The following discussion should be read together with the Consolidated Financial
Statements and the Notes to Consolidated Financial Statements, which are
included in this Form 10-K in Item 8, and the information set forth in Risk
Factors under Item 1A.
INDEX                                                                         PAGE
  Strategy                                                                    19
  Oil and Gas Segment                                                         19
  Chemical Segment                                                            30
  Marketing and Midstream Segment                                             31
  Segment Results of Operations and   Items Affecting Comparability           33
Income Taxes                                                                  37
  Consolidated Results of Operations                                          37
  Liquidity and Capital Resources                                             40
  Off-Balance Sheet Arrangements                                              42
Commitments and Obligations                                                   42
  Lawsuits, Claims, Commitments and Contingencies                             43
  Environmental Liabilities and Expenditures                                  44
Global   Investments                                                          46
  Critical Accounting Policies and Estimates                                  46
  Significant Accounting and Disclosure Changes                               49
  Safe Harbor Discussion Regarding Outlook and Other Forward-Looking Data     50




18 OXY 2019 FORM 10-K



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STRATEGY



GENERAL
Occidental is focused on delivering a unique shareholder value proposition
through continual enhancements to its asset quality, organizational capability
and innovative technical applications that provide competitive advantages.
Occidental's integrated business provides conventional and unconventional
opportunities through which to grow value. Occidental aims to maximize
shareholder returns through a combination of:
Ø Maintaining a sustainable and sector-leading dividend;


Ø Allocating capital to high-return, short-cycle and long-cycle, cash-flow


       generating opportunities across its integrated business;


Ø      Generating free cash flow growth to reduce debt and return cash to
       shareholders;

Ø Achieving production growth rates of up to 5% over the long-term; and




Ø      Maintaining a strong balance sheet to secure business and enhance
       shareholder value.


Occidental conducts its operations with a focus on sustainability, health,
safety and environmental and social responsibility. Capital is employed to
operate all assets in a safe and environmentally sound manner. Price volatility
is inherent in the oil and gas business, and Occidental's strategy is to
position the business to thrive in an up- or down-cycle commodity price
environment.
On August 8, 2019, Occidental closed on its acquisition of Anadarko. The
Acquisition added to Occidental's oil and gas portfolio, primarily in the
Permian Basin, DJ Basin and Gulf of Mexico, as well as a significant economic
interest in WES. Post-Acquisition, Occidental's diversified portfolio provides
numerous competitive advantages. Occidental is now the largest oil and gas
leaseholder in the United States on a net acreage basis with ample opportunities
in the Permian Basin, DJ Basin, Powder River Basin and the Gulf of Mexico with
the ability to selectively deploy capital in a way that optimizes capital
intensity. As the acquired assets are integrated and developed, Occidental will
utilize its subsurface and operating expertise to improve productivity and
reduce full cycle costs.

KEY PERFORMANCE INDICATORS
Occidental seeks to meet its strategic goals by continually measuring its
success against key performance metrics that drive total stockholder return. In
addition to efficient capital allocation and deployment discussed below,
Occidental believes the following are its most significant metrics:
Ø   Health, safety and environmental and sustainability-related performance

measures;

Ø Achieving debt reduction targets;

Ø Total shareholder return, including dividends;

Ø Maintaining investment grade credit metrics;

Ø Return on capital employed (ROCE) and cash return on capital employed (CROCE);

Ø Specific measures such as earnings per share, per-unit profit, production

cost, cash flow, finding and development costs and reserves replacement

percentages; and

Ø Acquisition-related synergy and divestiture targets.





OIL AND GAS SEGMENT



BUSINESS STRATEGY
Occidental's oil and gas segment focuses on long-term value creation and
leadership in sustainability, health, safety and the environment. In each core
operating area, Occidental's operations benefit from scale, technical expertise,
decades of high-margin inventory, environmental and safety leadership, and
commercial and governmental collaboration. These attributes allow Occidental to
bring additional production quickly to market, extend the life of older fields
at lower costs, and provide low-cost returns-driven growth opportunities with
advanced technology.
With the completion of the Acquisition, Occidental became the largest U.S.
producer of oil and liquids in the second half of 2019, allowing Occidental to
maximize cash margins on a BOE basis. Through the Acquisition, Occidental
acquired modern 3D seismic data pertaining to approximately 450,000 square miles
of core domestic development areas. This resulted in a 40% increase in
Occidental's Permian seismic inventory. The advantages that Occidental's
diversified portfolio provides, coupled with unmatched subsurface
characterization ability and the proven ability to execute, ensures that
Occidental is positioned for full-cycle success in the years ahead. The oil and
gas segment continues to focus on integration of the newly acquired assets and
efforts to realize synergies at an early stage to deliver lower breakeven costs
and generate excess free cash flow.

OXY 2019 FORM 10-K 19

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As a result of Occidental's strategic positioning, Occidental's assets provide
current production and a future portfolio of projects that are flexible and have
short-cycle investment paybacks. Together with Occidental's technical
capabilities, the oil and gas segment strives to achieve low development and
operating costs to maximize full-cycle value of the assets.
The oil and gas business implements Occidental's strategy primarily by:
Ø  Operating and developing areas where reserves are known to exist and
optimizing capital intensity in core areas, primarily in the Permian Basin, DJ
Basin, Gulf of Mexico, UAE, Oman, Qatar and Colombia;
Ø  Maintaining a disciplined and prudent approach to capital expenditures with a
focus on high-return, short-cycle, cash-flow-generating opportunities and an
emphasis on creating value and further enhancing Occidental's existing
positions;
Ø  Focusing Occidental's subsurface characterization and technical activities on
unconventional opportunities, primarily in the Permian Basin;
Ø  Using enhanced oil recovery techniques, such as CO2, water and steam floods
in mature fields; and
Ø  Focusing on cost-reduction efficiencies and innovative technologies to reduce
carbon emissions.
In 2019, oil and gas capital expenditures were approximately $5.5 billion and
primarily focused on Occidental's assets in the Permian Basin, the DJ Basin,
Gulf of Mexico and Oman.

BUSINESS ENVIRONMENT
Oil and gas prices are the major variables that drive the industry's financial
performance. The following table presents the average daily West Texas
Intermediate (WTI), Brent and New York Mercantile Exchange (NYMEX) prices for
2019 and 2018:
                          2019       2018    % Change
WTI oil ($/barrel)     $ 57.03    $ 64.77         (12 )%
Brent oil ($/barrel)   $ 64.18    $ 71.53         (10 )%
NYMEX gas ($/Mcf)      $  2.67    $  2.97         (10 )%


The following table presents Occidental's average realized prices for continuing operations as a percentage of WTI, Brent and NYMEX for 2019 and 2018:


                                                 2019     2018

Worldwide oil as a percentage of average WTI 98 % 94 % Worldwide oil as a percentage of average Brent 87 % 85 % Worldwide NGL as a percentage of average WTI 30 % 41 % Worldwide NGL as a percentage of average Brent 27 % 37 % Domestic natural gas as a percentage of NYMEX 49 % 54 %

Prices and differentials can vary significantly, even on a short-term basis, making it difficult to predict realized prices with a reliable degree of certainty.



DOMESTIC INTERESTS
BUSINESS REVIEW
Occidental conducts its domestic operations through land leases, subsurface
mineral rights it owns, or a combination of both. Occidental's domestic oil and
gas leases have a primary term ranging from one to ten years, which is extended
through the end of production once it commences. Occidental has leasehold and
mineral interests in 14.4 million net acres, of which approximately 39% is
leased, 55% is owned subsurface mineral rights and 6% is owned land with mineral
rights. Included in Occidental's total net acres is approximately 7 million net
acres of primarily undeveloped minerals that pass through Colorado, Wyoming and
into Utah. Occidental holds fee ownership of oil and gas, mineral and hardrock
mineral rights in this area.









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The following chart shows Occidental's domestic production volumes for the last
five years:
[[Image Removed: chart-6dfe74b24e392041a70.jpg]]
Note: Operations sold include South Texas (sold in April 2017), Piceance (sold
in March 2016) and Williston (sold in November 2015).

DOMESTIC ASSETS
[[Image Removed: graphic_mapusa02.jpg]] 1. Powder River Basin
                                        2. DJ Basin
                                        3. Greater Natural Buttes
                                        4. Permian Basin
                                        5. Gulf of Mexico



Permian Basin
The Permian Basin extends throughout West Texas and southeast New Mexico and is
one of the largest and most active oil basins in the United States, accounting
for more than 30% of total United States oil production in 2019.
Occidental manages its Permian Basin operations through two business units:
Permian Resources, which includes growth-oriented unconventional opportunities,
and Permian EOR, which utilizes enhanced oil recovery techniques such as CO2
floods and waterfloods. Occidental has a leading position in the Permian Basin,
producing approximately 11% of total oil in
the basin. Occidental's position in the Texas Delaware sub-basin was further
enhanced through assets acquired as part of the Acquisition. By exploiting the
natural synergies between Permian Resources and Permian EOR, Occidental is able
to deliver unique short- and long-term advantages, efficiencies and expertise
across its Permian Basin operations. Occidental expects to decrease its Permian
Basin full-cycle breakeven costs, while continuing to expand its high-quality,
low-cost

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breakeven inventory. Occidental expects the combined technical advancements,
infrastructure utilization opportunities and operations across over 3.1 million
net acres will provide sustainability of Occidental's low-cost position in the
Permian Basin.
In the next few years, growth within Occidental's Permian Basin portfolio is
expected to be focused in the Permian Resources unconventional assets. In 2019,
Occidental spent approximately $3.8 billion of capital in the Permian Basin, of
which over 85% was spent on Permian Resources assets. In 2020, Occidental
expects to allocate approximately 40% of its worldwide capital budget to Permian
Resources for development and approximately 8% to Permian EOR for the expansion
of existing facilities to increase CO2 production and injection capacity.
In November 2019, Occidental and Ecopetrol formed a joint venture to explore and
develop approximately 97,000 net acres of Occidental's Midland sub-basin
properties in the Permian Basin. Occidental owns a 51% interest in the joint
venture and is the operator. In exchange for its 49% interest, Ecopetrol paid
$750 million in cash to Occidental at closing and will carry 75% of Occidental's
share of capital expenditures, up to $750 million. The joint venture allows
Occidental to accelerate its development plans in the Midland Basin, where it
currently has minimal activity. Occidental will retain production and cash flow
from its existing operations in the Midland Basin.
[[Image Removed: option1graphicmaptexasnewmex.jpg]] 1. Delaware Basin
                                                    2. Central Basin Platform
                                                    3. Midland Basin



Permian Resources
Permian Resources unconventional oil development projects provide very
short-cycle investment payback, averaging less than two years, and generate some
of the highest margin and returns of any oil and gas projects in the world.
These investments contribute cash flow and production growth, while increasing
long-term value and sustainability through higher return on capital employed.
As part of the Acquisition, Occidental acquired Anadarko's oil and gas
operations in Permian Resources which included approximately 370,000 net acres,
including 240,000 net acres located primarily within Loving and Reeves Counties.
A new well design and flowback method will be implemented in 2020, which is
expected to lower the overall well cost while improving completion efficiency.
The 2020 plan contemplates the continued development of the newly acquired
acreage. Occidental's share of production from the acquired assets in Permian
Resources was approximately 159 thousand BOE per day (MBOE/d) from the
Acquisition date through December 31, 2019. Overall in 2019, Permian Resources
produced approximately 355 MBOE/d from approximately 7,600 gross wells. In 2019,
Permian Resources added 173 MMBOE to Occidental's proved reserves for improved
recovery additions.

Permian EOR
The Permian Basin's concentration of large conventional reservoirs, favorable
CO2 flooding performance and the proximity to naturally occurring CO2 supply has
resulted in decades of high-value enhanced oil production. With 34 active CO2
floods and over 40 years of experience, Occidental is the industry leader in
Permian Basin CO2 flooding, which can increase ultimate oil recovery by 10% to
25%. Technology improvements, such as the recent trend toward vertical expansion
of the CO2 flooded interval into residual oil zone targets, continue to yield
more recovery from existing projects. Occidental utilizes workover rigs to drill
extra depth into additional CO2 floodable sections of the reservoir. Occidental
completed 72 well workovers in 2019 and has plans to complete 81 well workovers
in 2020. In 2019, Permian EOR added 14 MMBOE to Occidental's proved

22 OXY 2019 FORM 10-K

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reserves for improved recovery additions, primarily as a result of executing CO2
flood development projects and expansions. Occidental's share of production from
Permian EOR was approximately 154 MBOE/d in 2019.
Significant opportunities also remain to gain additional recovery by expanding
Occidental's existing CO2 projects into new portions of reservoirs that have
only been water-flooded. Permian EOR has a large inventory of future CO2
projects, which could be developed over the next 20 years or accelerated,
depending on market conditions. In addition, OLCV continues making progress
towards supplying anthropogenic, or man-made, CO2 for the purpose of carbon
capture, utilization and storage in Occidental's Permian EOR operations.

DJ Basin
Through the Acquisition, Occidental is Colorado's top oil and gas producer with
interest in approximately 650,000 net acres. Production is derived from 2,700
operated vertical wells and 2,000 operated horizontal wells primarily focused in
460,000 net acres in the Niobrara and Codell formations. The DJ Basin provides
competitive economics, low breakeven costs and free cash-flow generation.
Occidental's share of production from the DJ Basin was approximately 303 MBOE/d
from the Acquisition date through December 31, 2019. Horizontal drilling results
in the field continue to be strong, with improved operational efficiencies in
drilling and completions.
License to operate continues to be a key focus moving into 2020. Occidental has
a majority of its planned 2020 completions activity permitted. Occidental
maintains optionality by flexing resources between DJ Basin and another emerging
high rate- of-return program in the Powder River Basin.

Powder River
In the southern Powder River Basin, Occidental acquired through the Acquisition
approximately 400,000 net acres mainly located in Converse County, Wyoming. The
field contains the Turner, Niobrara, Mowry and Parkman formations that hold both
liquids and natural gas.

Greater Natural Buttes
The Greater Natural Buttes area in eastern Utah is a tight-gas asset producing
primarily from the Mesa Verde, Wasatch and Blackhawk formations. Occidental uses
cryogenic and refrigeration processing facilities in this area to extract NGLs
from the natural-gas stream. There was no development activity in this field
during 2019 due to capital being allocated to higher-margin projects.

OFFSHORE DOMESTIC ASSETS
Gulf of Mexico
Occidental owns a working interest in 230 blocks in the Gulf of Mexico, operates
10 active floating platforms and holds interests in 18 active fields. In 2020,
Occidental will take advantage of its extensive infrastructure across the Gulf
of Mexico to execute its long-term plan for development and exploration. It will
operate one floating drillship and three platform rigs together with a floating
well service rig to cost effectively develop known resources and perform
exploration activities to identify tie-back opportunities near existing
facilities. The following table shows areas of continuing development in the
Gulf of Mexico along with the corresponding working interest in those areas.
Acquired assets in the Gulf of Mexico produced approximately 147 MBOE/d from the
Acquisition date through December 31, 2019. In addition to its portfolio of
undeveloped leases, Occidental's Gulf of Mexico exploration assets are primarily
related to a deepwater discovery located with tie-back proximity to the Horn
Mountain platform.
Development Area Working Interest
Horn Mountain                 100 %
Marlin                        100 %
Holstein                      100 %
Caesar Tonga                   34 %
Constellation                  33 %
Lucius                         49 %
K2 Complex                     42 %




OXY 2019 FORM 10-K 23


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INTERNATIONAL INTERESTS
BUSINESS REVIEW
Occidental conducts its ongoing international operations in two sub-regions: the
Middle East and Latin America. Its activities include oil, natural gas and NGL
production through direct working-interest and production sharing contracts
(PSC).

Production Sharing Contracts
Occidental's interest in Oman and Dolphin are subject to PSCs. Under such
contracts, Occidental records a share of production and reserves to recover
certain development and production costs and an additional share for profit. In
addition, certain contracts in Colombia are subject to contractual arrangements
similar to a PSC. These contracts do not transfer any right of ownership to
Occidental and reserves reported from these arrangements are based on
Occidental's economic interest as defined in the contracts. Occidental's share
of production and reserves from these contracts decreases when product prices
rise and increases when prices decline. Overall, Occidental's net economic
benefit from these contracts is greater when product prices are higher.
The following chart shows Occidental's international production volumes for the
last five years:
[[Image Removed: chart-135ec38c3408b941c74.jpg]]
Note: Operations sold, exited or held for sale include the Africa Assets (sold
in 2019 or held for sale at December 31, 2019), Qatar (exited in 2019) and other
Middle East and North Africa operations exited in 2016 and 2015.

MIDDLE EAST ASSETS
[[Image Removed: graphic_mapmiddleeasta01.jpg]]



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Oman


In Oman, Occidental is the operator of Block 9 with a 50% working interest,
Block 27 with a 65% working interest, Block 53 with a 45% working interest and
Block 62 with a 100% working interest. In 2018 and 2019, Occidental entered into
Exploration and Production Sharing Agreements for Blocks 30, 51, 65 and 72,
which increased the acreage that Occidental holds in Oman from 2.3 million to
6.0 million gross acres and the potential well inventory locations to
approximately 10,000. In 2019, Occidental's share of production was 89 MBOE/d.
The Block 9 contract expires in 2030 and the Block 27 contract expires in 2035.
Occidental's share of production for Blocks 9 and 27 was 27 MBOE/d and 7 MBOE/d
in 2019, respectively. The Block 53 (Mukhaizna Field) contract expires in 2035
and is a major world-class pattern steam flood project for enhanced oil recovery
that utilizes some of the largest mechanical vapor compressors ever built. Since
assuming operations in Mukhaizna in 2005, Occidental has drilled over 3,450 new
wells and has increased gross production by over 15 fold. Occidental's share of
production for Block 53 was 33 MBOE/d in 2019. Subject to declaration of
commerciality, Block 62 will expire in 2028. Occidental's share of production
for Block 62 was 22 MBOE/d in 2019.

United Arab Emirates
In 2011, Occidental acquired a 40% participating interest in Al Hosn Gas,
joining with the Abu Dhabi National Oil Company (ADNOC) in a 30-year joint
venture agreement. In 2019, Occidental's share of production from Al Hosn Gas
was 251 MMcf per day of natural gas and 40,000 barrels per day of NGL and
condensate. Al Hosn Gas includes gas processing facilities which are discussed
further in "Marketing and Midstream Segment - Gas Processing, Gathering and CO2
."
In 2019, Occidental acquired a 9-year exploration concession and, subject to a
declaration of commerciality, a 35-year production concession for onshore Block
3 which covers an area of approximately 1.5 million acres and is adjacent to Al
Hosn Gas. Occidental conducts a majority of its Middle East business development
activities through its office in Abu Dhabi, which also provides various support
functions for Occidental's Middle East oil and gas operations.

Qatar


In Qatar, Occidental partners in the Dolphin Energy project, an investment that
is comprised of two separate economic interests. Occidental has a 24.5% interest
in the upstream operations to develop and produce natural gas, NGL and
condensate from Qatar's North Field through mid-2032. Occidental also has a
24.5% interest in Dolphin Energy Limited, which operates a pipeline and is
discussed further in "Marketing and Midstream Segment - Pipeline." Occidental's
net share of production from the Dolphin upstream operations was 42 MBOE/d in
2019.
In 2019, Occidental's contract for Idd El Shargi North Dome (ISND) expired, and
there was a mutually agreed early termination of its Idd El Shargi South Dome
(ISSD) contract.

LATIN AMERICA ASSETS
                                                   1. La Cira-Infantas
                                                   Waterflood Area
                                                   2. Llanos Norte Basin
                                                   3. Teca Heavy Oil Area

[[Image Removed: graphic_maplatinamericaa01.jpg]] 4. Putumayo Basin

Colombia


Occidental has working interests in the La Cira-Infantas and Teca areas and has
operations within the Llanos Norte Basin. Occidental's interests range from 39%
to 61% and certain interests expire between 2023 and 2038, while others extend
through the economic limit of the areas.

OXY 2019 FORM 10-K 25

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In 2019, Occidental and Ecopetrol initiated Teca steam flood project second
phase development activities. During 2019, 17 new wells were drilled, and the
initial facility upgrade project began.
Occidental also farmed into two additional blocks in the prospective Putumayo
Basin, consolidating a position of 1.6 million gross acres in the basin.
Occidental's net share of production from Colombia was 33 MBOE/d in 2019.

AFRICA ASSETS
In September 2019, Occidental completed the sale of Mozambique LNG assets to
Total for approximately $4.2 billion. In January 2020, Occidental completed the
sale of South Africa assets to Total. Occidental and Total continue to work
toward completing the sales of the remaining Africa Assets during 2020. The
results of the Africa Assets are presented as discontinued operations in the
Consolidated Statements of Operations and Cash Flows. The remaining Africa
Assets are classified as held-for-sale and not considered part of Occidental's
ongoing international operations as of December 31, 2019. Operations in Algeria
involve production and development activities in Blocks 404A and 208 of
Algeria's Sahara Desert. The El Merk Central Processing Facility (CPF) in Block
208 processed produced oil and NGL, while the Hassi Berkine South and Ourhoud
CPFs in Block 404A processed only produced oil. Ghana operations include
production and development activities located offshore in the West Cape Three
Point Block and the Deepwater Tano Block.

PROVED RESERVES
Proved oil, NGL and natural gas reserves were estimated using the unweighted
arithmetic average of the first-day-of-the-month price for each month within the
year, unless prices were defined by contractual arrangements. Oil, NGL and
natural gas prices used for this purpose were based on posted benchmark prices
and adjusted for price differentials including gravity, quality and
transportation costs.
The following table shows the 2019, 2018 and 2017 calculated average prices for
both WTI and Brent oil prices, as well as the NYMEX gas prices:
                          2019       2018       2017

WTI oil ($/barrel) $ 55.69 $ 65.56 $ 51.34 Brent oil ($/barrel) $ 63.03 $ 72.20 $ 54.93 NYMEX gas ($/Mcf) $ 2.58 $ 3.10 $ 2.98





Occidental had proved reserves from continuing operations at year-end 2019 of
3,827 million barrels of oil equivalent (MMBOE) (excluding the Africa Assets),
compared to the year-end 2018 amount of 2,752 MMBOE. Proved developed reserves
represented approximately 76% and 73% of Occidental's total proved reserves at
year-end 2019 and 2018, respectively. The following table shows the breakout of
Occidental's proved reserves from continuing operations by commodity as a
percentage of total proved reserves:
              2019     2018
Oil             52 %     57 %
Natural gas     29 %     25 %
NGL             19 %     18 %



Occidental does not have any reserves from non-traditional sources. For further
information regarding Occidental's proved reserves, see "Supplemental Oil and
Gas Information."
The following table details the proved developed and undeveloped reserves
related to the Africa Assets that were presented as held for sale at December
31, 2019:
                                                               Natural Gas
                               Oil (MMbbl)      NGL(MMbbl)           (Bcf)     Total (MMBOE)
Proved developed reserves               99               7              19               109
Proved undeveloped reserves             14               -              11                16




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CHANGES IN PROVED RESERVES
Occidental's total proved reserves from continuing operations increased 1,075
MMBOE in 2019, which was primarily driven by additions of 1,311 MMBOE primarily
from the Acquisition and 356 MMBOE from Occidental's development program.
Changes in reserves were as follows:
MMBOE                              2019
Revisions of previous estimates    (200 )
Improved recovery                   293
Extensions and discoveries           63
Purchases                         1,311
Sales                               (29 )
Production                         (363 )
Total                             1,075


Occidental's ability to add reserves, other than through purchases, depends on
the success of improved recovery, extension and discovery projects, each of
which depends on reservoir characteristics, technology improvements and oil and
natural gas prices, as well as capital and operating costs. Many of these
factors are outside management's control and may negatively or positively affect
Occidental's reserves.

Purchases of Proved Reserves
In 2019, Occidental purchased proved reserves of 1,311 MMBOE primarily as part
of the Acquisition, including proved reserves in the Permian Delaware Basin, the
DJ Basin and Gulf of Mexico. As part of smaller asset purchases separate from
the Acquisition, Occidental purchased proved reserves in Permian Resources New
Mexico.

Revisions of Previous Estimates
Revisions can include upward or downward changes to previous proved reserve
estimates for existing fields due to the evaluation or interpretation of
geologic, production decline or operating performance data. In addition, product
price changes affect proved reserves recorded by Occidental. For example, lower
prices may decrease the economically recoverable reserves, particularly for
domestic properties, because the reduced margin limits the expected life of the
operations. Offsetting this effect, lower prices increase Occidental's share of
proved reserves under PSCs because more oil is required to recover costs.
Conversely, when prices rise, Occidental's share of proved reserves decreases
for PSCs and economically recoverable reserves may increase for other
operations. Reserve estimation rules require that estimated ultimate recoveries
be much more likely to increase or remain constant than to decrease, as changes
are made due to increased availability of technical data.
In 2019, Occidental had negative revisions of 200 MMBOE, primarily related to
negative price revisions, changes to development plans and reservoir performance
in the Permian Basin.

Improved Recovery
In 2019, Occidental added proved reserves of 293 MMBOE mainly associated with
the Permian Basin. These properties comprise both conventional projects, which
are characterized by the deployment of EOR development methods, largely
employing application of CO2 flood, waterflood or steam flood, and
unconventional projects. These types of conventional EOR development methods can
be applied through existing wells, though additional drilling is frequently
required to fully optimize the development configuration. Waterflooding is the
technique of injecting water into the formation to displace the oil to the
offsetting oil production wells. The use of either CO2 or steam flooding depends
on the geology of the formation, the evaluation of engineering data,
availability and cost of either CO2 or steam and other economic factors. Both
techniques work similarly to lower viscosity causing the oil to move more easily
to the producing wells. Many of Occidental's projects, including unconventional
projects, rely on improving permeability to increase flow in the wells. In
addition, some improved recovery comes from drilling infill wells that allow
recovery of reserves that would not be recoverable from existing wells.

Extensions and Discoveries
Occidental also added proved reserves from extensions and discoveries, which are
dependent on successful exploration and exploitation programs. In 2019,
extensions and discoveries added 63 MMBOE primarily related to the recognition
of proved undeveloped reserves due to post-Acquisition activities for acquired
properties in the Permian Basin and Gulf of Mexico.

Sales of Proved Reserves
In 2019, Occidental sold 29 MMBOE in proved reserves mainly related to non-core
Permian Basin acreage.


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Proved Undeveloped Reserves
Occidental had proved undeveloped reserves at year-end 2019 of 904 MMBOE,
compared to the year-end 2018 amount of 750 MMBOE. Changes in proved undeveloped
reserves were as follows:
MMBOE                                   2019
Revisions of previous estimates         (166 )
Improved recovery                        192
Extensions and discoveries                36
Purchases                                317
Sales                                    (29 )
Transfer to proved developed reserves   (196 )
Total                                    154



Occidental incurred approximately $1.8 billion in 2019 to convert proved
undeveloped reserves to proved developed reserves. Permian Basin added
approximately 500 MMBOE through improved recovery and purchases.
The 2019 additions to proved undeveloped reserves were partially offset by 196
MMBOE transfers to proved developed reserves, primarily in the Permian Basin,
166 MMBOE of negative revisions of previous estimates primarily related to
negative price revisions, changes to development plans and reservoir performance
in the Permian Basin.
Occidental's highest-return projects and most active development areas are
located in the Permian Basin, which represented 44% of the proved undeveloped
reserves as of December 31, 2019. Nearly half of Occidental's 2020 capital
program of $5.3 billion is allocated to the development program in the Permian
Basin. Overall, Occidental plans to spend approximately $3.6 billion over the
next five years to develop its proved undeveloped reserves in the Permian Basin.
Occidental's proved undeveloped reserves in international locations are
associated with approved long-term international development projects.

RESERVES EVALUATION AND REVIEW PROCESS
Occidental's estimates of proved reserves and associated future net cash flows
as of December 31, 2019, were made by Occidental's technical personnel and are
the responsibility of management. The estimation of proved reserves is based on
the requirement of reasonable certainty of economic producibility and funding
commitments by Occidental to develop the reserves. This process involves
reservoir engineers, geoscientists, planning engineers and financial analysts.
As part of the proved reserves estimation process, all reserve volumes are
estimated by a forecast of production rates, operating costs and capital
expenditures. Price differentials between benchmark prices (the unweighted
arithmetic average of the first-day-of-the-month price for each month within the
year) and realized prices and specifics of each operating agreement are then
used to estimate the net reserves. Production rate forecasts are derived by a
number of methods, including estimates from decline curve analysis, type curve
analysis, material balance calculations that take into account the volumes of
substances replacing the volumes produced, and associated reservoir pressure
changes, seismic analysis and computer simulation of the reservoir performance.
These reliable field-tested technologies have demonstrated reasonably certain
results with consistency and repeatability in the formation being evaluated or
in an analogous formation. Operating and capital costs are forecast using the
current cost environment applied to expectations of future operating and
development activities.
Net proved developed reserves are those volumes that are expected to be
recovered through existing wells with existing equipment and operating methods
for which the incremental cost of any additional required investment is
relatively minor.
Net proved undeveloped reserves are those volumes that are expected to be
recovered from new wells on undrilled acreage, or from existing wells where a
relatively major expenditure is required for recompletion. Proved undeveloped
reserves are supported by a five-year, detailed, field-level development plan,
which includes the timing, location and capital commitment of the wells to be
drilled. The development plan is reviewed and approved annually by senior
management and technical personnel. Annually a detailed review is performed by
Occidental's Worldwide Reserves Group and its technical personnel on a
lease-by-lease basis to assess whether proved undeveloped reserves are being
converted on a timely basis within five years from the initial disclosure date.
Any leases not showing timely transfers from proved undeveloped reserves to
proved developed reserves are reviewed by senior management to determine if the
remaining reserves will be developed in a timely manner and have sufficient
capital committed in the development plan. Only proved undeveloped reserves that
are reasonably certain to be drilled within five years of booking and are
supported by a final investment decision to drill them are included in the
development plan. A portion of the proved undeveloped reserves associated with
international operations are expected to be developed beyond the five years and
are tied to approved long-term development plans.
The current Senior Vice President, Reserves for Oxy Oil and Gas is responsible
for overseeing the preparation of reserve estimates, in compliance with U.S. SEC
rules and regulations, including the internal audit and review of Occidental's
oil and gas reserves data. He has over 35 years of experience in the upstream
sector of the exploration and production business, and has held various
assignments in North America, Asia and Europe. He is a three-time past Chair of
the Society of Petroleum Engineers Oil and Gas Reserves Committee. He is an
American Association of Petroleum Geologists (AAPG) Certified Petroleum
Geologist and currently serves on the AAPG Committee on Resource Evaluation. He
is a member of the Society

28 OXY 2019 FORM 10-K


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of Petroleum Evaluation Engineers, the Colorado School of Mines Potential Gas
Committee and the UNECE Expert Group on Resource Management. He has Bachelor of
Science and Master of Science degrees in geology from Emory University in
Atlanta.
Occidental has a Corporate Reserves Review Committee (Reserves Committee),
consisting of senior corporate officers, to review and approve Occidental's oil
and gas reserves. The Reserves Committee reports to the Audit Committee of
Occidental's Board of Directors during the year. Since 2003, Occidental has
retained Ryder Scott Company, L.P. (Ryder Scott), independent petroleum
engineering consultants, to review its annual oil and gas reserve estimation
processes. In addition, Occidental utilized Miller and Lents, Ltd. (M&L),
independent petroleum engineering consultants who were previously retained by
Anadarko, to review the annual oil and gas reserve estimation processes
associated with the Anadarko reserves. For additional reserves information, see
  Supplemental Oil and Gas Information   under Item 8 of this Form 10-K.
In 2019, both Ryder Scott and M&L conducted a process review of the methods and
analytical procedures utilized by Occidental's engineering and geological staff
for estimating the proved reserves volumes, preparing the economic evaluations
and determining the reserves classifications as of December 31, 2019, in
accordance with SEC regulatory standards. Ryder Scott and M&L reviewed the
specific application of such methods and procedures for selected oil and gas
properties considered to be a valid representation of Occidental's 2019 year-end
total proved reserves portfolio. In 2019, Ryder Scott reviewed approximately 20%
of legacy Occidental's proved oil and gas reserves. Since being engaged in 2003,
Ryder Scott has reviewed the specific application of Occidental's reserve
estimation methods and procedures for approximately 80% of legacy Occidental's
existing proved oil and gas reserves. M&L reviewed approximately 90% of the
Anadarko proved oil and gas reserves.
Management retained Ryder Scott and M&L to provide objective third-party input
on its methods and procedures and to gather industry information applicable to
Occidental's reserve estimation and reporting process. Neither Ryder Scott nor
M&L has been engaged to render an opinion as to the reasonableness of reserves
quantities reported by Occidental. Occidental has filed Ryder Scott's and M&L's
independent reports as exhibits to this Form 10-K.
Based on its reviews, including the data, technical processes and
interpretations presented by Occidental, Ryder Scott and M&L have concluded that
the overall procedures and methodologies Occidental utilized in estimating the
proved reserves volumes, documenting the changes in reserves from prior
estimates, preparing the economic evaluations and determining the reserves
classifications for the reviewed properties are appropriate for the purpose
thereof and comply with current SEC regulations.

INDUSTRY OUTLOOK
The petroleum industry is highly competitive and subject to significant
volatility due to various market conditions. WTI and Brent oil price indexes
increased throughout 2019 closing at $61.06 per barrel and $66.00 per barrel,
respectively, as of December 31, 2019.
Oil prices will continue to be affected by: (i) global supply and demand, which
are generally a function of global economic conditions, inventory levels,
production disruptions, technological advances, regional market conditions and
the actions of OPEC, other significant producers and governments; (ii)
transportation capacity, infrastructure constraints, and costs in producing
areas; (iii) currency exchange rates; and (iv) the effect of changes in these
variables on market perceptions.
NGL prices are related to the supply and demand for the components of products
making up these liquids. Some of them more typically correlate to the price of
oil while others are affected by natural gas prices as well as the demand for
certain chemical products for which they are used as feedstock. In addition,
infrastructure constraints magnify the pricing volatility from region to region.
Domestic natural gas prices and local differentials are strongly affected by
local supply and demand fundamentals, as well as government regulations and
availability of transportation capacity from producing areas.
These and other factors make it difficult to predict the future direction of
oil, NGL and domestic gas prices reliably. For purposes of the current capital
plan, Occidental will continue to focus on allocating capital to its
highest-return assets with the flexibility to adjust based on fluctuations in
commodity prices. International gas prices are generally fixed under long-term
contracts. Occidental continues to adjust capital expenditures in line with
current economic conditions with the goal of keeping returns well above its cost
of capital.


OXY 2019 FORM 10-K 29


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CHEMICAL SEGMENT



BUSINESS STRATEGY
OxyChem seeks to generate cash flow in excess of its normal capital expenditure
requirements and achieve above-cost-of-capital returns. The chemical segment
focuses on being a low-cost producer in order to maximize cash flow generation.
OxyChem concentrates on the chlorovinyls chain, beginning with the co-production
of caustic soda and chlorine. Caustic soda and chlorine are marketed to external
customers. In addition, chlorine, together with ethylene, is converted through a
series of intermediate products into polyvinyl chloride (PVC). OxyChem's focus
on chlorovinyls allows it to maximize the benefits of integration and take
advantage of economies of scale. Capital is employed to sustain production
capacity and to focus on projects and developments designed to improve the
competitiveness of segment assets. Acquisitions and plant development
opportunities may be pursued when they are expected to enhance the existing core
chlor-alkali and PVC businesses or take advantage of other specific
opportunities. In 2019, capital expenditures for OxyChem totaled $267 million.

BUSINESS ENVIRONMENT
In 2019, the United States economic growth rate, estimated to be 2.3%, was lower
than the 2.9% experienced in 2018, which resulted in lower demand for caustic
soda and PVC. Ethylene prices trended downward in the first half of 2019 before
increasing in the second half of the year with the total year average ethylene
price being less than that of 2018. Pricing for caustic soda and PVC was lower
in 2019, partially offset by lower energy and feedstock costs. Domestic demand
for caustic soda and PVC was negatively impacted by slower or no growth in
manufacturing, automotive and construction markets as well as a weaker pulp and
paper market.

BUSINESS REVIEW
BASIC CHEMICALS
The lower U.S. growth rate resulted in lower domestic demand as the industry
chlor-alkali operating rates decreased by 3% compared to 2018. Liquid caustic
soda prices were lower both domestically and globally in 2019 due to weaker
demand in the alumina and pulp and paper market segments, which was partially
offset by lower energy prices than in 2018. Exports of downstream chlorine
derivatives into the vinyls chain decreased in 2019 as demand for PVC lagged
year-over-year.

VINYLS


Demand for PVC in 2019 decreased year-over-year in total as domestic demand was
down 3% from 2018 while export demand increased by less than 1%. Domestic demand
was weaker in the first half of 2019 due to lower construction demand caused by
weather conditions and demand did not fully recover in the second half of 2019.
Export demand growth was driven by emerging economy growth and competitive North
American feedstock costs. Export volume remains a significant portion of PVC
sales representing over 34% of total North American producer's production. PVC
industry operating rates decreased by 1% compared to 2018. Industry PVC margins
decreased in 2019 due to lower PVC prices partially offset by lower ethylene
prices in the first half of 2019 and lower energy prices than in 2018.

INDUSTRY OUTLOOK
Industry performance will depend on the health of the global economy,
specifically in the housing, construction, automotive and durable goods markets.
The housing and construction markets are expected to strengthen over the next
year while the automotive and durable goods markets look to remain flat or
decrease slightly. Margins also depend on market supply and demand balances and
feedstock and energy prices. Weakening in the petroleum industry may negatively
affect the demand and pricing of a number of Occidental's products that are
consumed by industry participants. U.S. commodity export markets will continue
to be impacted by the relative strength of the U.S. dollar.

BASIC CHEMICALS
Continued improvement in the United States housing market, offset by flat to
weakening automotive and durable goods markets, are expected to result in a
flattening to a moderate increase in demand for basic chemical products in 2020.
Export demand for caustic soda is expected to be similar to 2019 levels driven
by limited demand improvement into the alumina market. Chlor-alkali operating
rates should improve moderately with higher demand and continued competitive
energy and raw material pricing as compared to global feedstock costs.
Businesses such as calcium chloride and muriatic acid may be affected by flatter
U.S. oil growth trends, as well as shifts in drilling technology.

VINYLS


North American demand for PVC is expected to improve in 2020 over 2019 levels,
as growth in residential construction spending is expected to rebound along with
upside potential driven by new infrastructure projects. Although overall demand
is expected to increase in North America, operating rates are anticipated to
remain relatively flat in 2020 as new PVC capacity is expected to enter the
market. Growth in the export market is likely along with favorable ethylene
costs continuing in 2020.


30 OXY 2019 FORM 10-K


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MARKETING AND MIDSTREAM SEGMENT





BUSINESS STRATEGY
The marketing and midstream segment strives to maximize realized value by
optimizing the use of its gathering, processing, transportation, storage and
terminal commitments and by providing access to domestic and international
markets. To generate returns, the segment evaluates opportunities across the
value chain and uses its assets to provide services to Occidental's
subsidiaries, as well as third parties. The marketing and midstream segment
operates gathering systems, gas plants, co-generation facilities and storage
facilities and invests in entities that conduct similar activities. From August
8, 2019, to December 31, 2019, WES's operating results were consolidated in the
marketing and midstream segment. As of December 31, 2019, Occidental will
account for its ownership investment in WES under the equity method of
accounting. See   Note 16 - Investments and Related-Party Transactions   in
the Notes to Consolidated Financial Statements.
Also within the marketing and midstream segment is OLCV. OLCV seeks to
capitalize on Occidental's EOR leadership by developing carbon capture,
utilization and storage projects that source anthropogenic CO2 and promote
innovative technologies that drive cost efficiencies and economically grow
Occidental's business while reducing emissions.
This segment also seeks to minimize the costs of gas, power and other
commodities used in Occidental's various businesses. Capital is employed to
sustain or expand assets to improve the competitiveness of Occidental's
businesses. In 2019, capital expenditures related to the marketing and midstream
segment totaled $461 million (including $365 million related to WES).

BUSINESS ENVIRONMENT
Marketing and midstream segment earnings are affected by the performance of its
various businesses, including its marketing, gathering and transportation, gas
processing and power-generation assets. The marketing business aggregates,
markets and stores Occidental and third-party volumes. Marketing performance is
affected primarily by commodity price changes and margins in oil and gas
transportation and storage programs. The marketing business results can
experience significant volatility depending on commodity price changes and the
Midland to Gulf Coast spreads. In 2019, the Permian takeaway capacity increased
as several new third-party pipelines were completed, which in turn reduced the
Midland to Gulf Coast spreads. Gas gathering, processing and transportation
results are affected by fluctuations in commodity prices and the volumes that
are processed and transported through the segment's plants, as well as the
margins obtained on related services from investments in which Occidental has an
equity interest. The 2019 declines in NGL prices and sulfur prices negatively
impacted the gas processing business.

BUSINESS REVIEW
MARKETING
The marketing group markets substantially all of Occidental's oil, NGL and
natural gas production, as well as trades around its assets, including
contracted transportation and storage capacity. Occidental's third-party
marketing activities focus on purchasing oil, NGL and gas for resale from
parties whose oil and gas supply is located near its transportation and storage
assets. These purchases allow Occidental to aggregate volumes to better utilize
and optimize its assets. In 2019, compared to the prior year, marketing results
were negatively impacted by the decline in the Midland-to-Gulf Coast spreads, as
well as non-cash mark-to-market losses.


OXY 2019 FORM 10-K 31


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PIPELINE


Occidental's pipeline business mainly consists of its 24.5% ownership interest
in Dolphin Energy. Dolphin Energy owns and operates a 230-mile-long,
48-inch-diameter natural gas pipeline (Dolphin Pipeline), which transports dry
natural gas from Qatar to the UAE and Oman. The Dolphin Pipeline has capacity to
transport up to 3.2 Bcf of natural gas per day and currently transports
approximately 2.2 Bcf per day, and up to 2.5 Bcf per day in the summer months.
In 2019, compared to the prior year, pipeline income declined due to the 2018
sale of the Centurion Pipeline common carrier oil pipeline and storage system
and the Ingleside Crude Terminal.

GAS PROCESSING, GATHERING AND CO2
Occidental processes its and third-party domestic wet gas to extract NGL and
other gas byproducts, including CO2, and delivers dry gas to pipelines. Margins
primarily result from the difference between inlet costs of wet gas and market
prices for NGL.
As of December 31, 2019, Occidental has 54.5% of limited partner unit interest
and a 2% non-voting general partner unit interest in WES. In addition,
Occidental has a 2% non-voting limited partner interest in Western Midstream
Operating, LP, a consolidated subsidiary of WES. Prior to December 31, 2019
Occidental consolidated WES. As of December 31, 2019, Occidental recognizes WES
as an equity method investment. See   Note 1 - Summary of Significant Accounting
Policies   in the Notes to Consolidated Financial Statements. WES owns gathering
systems, plants and pipelines and earns revenue from fee-based and service-based
contracts with Occidental and third parties.
Occidental also has a 40% participating interest in Al Hosn Gas which is
designed to process 1.3 Bcf per day of natural gas and separate it into salable
gas, condensate, NGL and sulfur. In 2019, the facilities produced approximately
11,500 metric tons per day of sulfur, of which approximately 4,600 metric tons
was Occidental's share. Al Hosn Gas facilities generate revenues from gas
processing fees and the sale of sulfur.
In 2019, compared to the prior year, gas processing, gathering and CO2 results
increased primarily due to income from WES partially offset by lower NGL prices
and sulfur prices which negatively impacted the gas processing business.

POWER GENERATION FACILITIES
Earnings from power and steam generation facilities are derived from sales to
affiliates and third parties.

LOW CARBON VENTURES
OLCV was formed to execute on Occidental's vision to reduce global emissions and
provide a more sustainable future through low carbon energy and products. OLCV
capitalizes on Occidental's extensive experience in utilizing CO2 for EOR by
investing in technologies, developing projects and providing services to
facilitate and accelerate the implementation of carbon capture, utilization and
storage projects and opportunities for zero-carbon power. Moreover, OLCV is
fostering new technologies and business models with the potential to position
Occidental as a leader in the production of low-carbon oil and products.

INDUSTRY OUTLOOK
Marketing and midstream segment results can experience volatility depending on
the Midland to Gulf Coast spreads and commodity price changes. The decline in
the Midland to Gulf Coast spreads in the second half of 2019 has continued into
the early part of 2020. If the spread remains at current levels or are lower for
the rest of 2020, this could significantly reduce margins in the marketing
business. To a lesser extent, declines in commodity prices, including NGL and
sulfur prices, would reduce the results for the gas processing business.


32 OXY 2019 FORM 10-K


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[[Image Removed: untitleda05.jpg]] MANAGEMENT'S DISCUSSION AND ANALYSIS

SEGMENT RESULTS OF OPERATIONS AND ITEMS AFFECTING COMPARABILITY





SEGMENT RESULTS OF OPERATIONS
Segment earnings exclude income taxes, interest income, interest expense,
environmental remediation expenses, unallocated corporate expenses and
discontinued operations, but include gains and losses from dispositions of
segment assets and income from the segments' equity investments. Seasonality is
not a primary driver of changes in Occidental's consolidated quarterly earnings
during the year.
The following table sets forth the sales and earnings of each operating segment
and corporate items for the years ended December 31:
millions, except per share amounts                          2019         2018         2017
NET SALES (a)
Oil and Gas                                             $ 13,423     $ 10,441     $  7,870
Chemical                                                   4,102        4,657        4,355
Marketing and Midstream                                    4,132        3,656        1,157
Eliminations                                              (1,264 )       (930 )       (874 )
Total                                                   $ 20,393     $ 17,824     $ 12,508
SEGMENT RESULTS AND EARNINGS
Domestic                                                $    838     $    621     $   (589 )
International                                              1,683        1,896        1,767
Exploration                                                 (169 )        (75 )        (67 )
Oil and Gas                                                2,352        2,442        1,111
Chemical                                                     799        1,159          822
Marketing and Midstream                                      241        2,802           85
Total                                                   $  3,392     $  6,403     $  2,018
Unallocated corporate items
Interest expense, net                                     (1,002 )       (356 )       (324 )
Income taxes                                                (693 )     (1,477 )        (17 )
Other                                                     (2,204 )       (439 )       (366 )
Income (loss) from continuing operations                $   (507 )   $  4,131     $  1,311
Discontinued operations, net                                 (15 )          -            -
Net income (loss)                                           (522 )      4,131        1,311
Less: Net income attributable to noncontrolling
interests                                                   (145 )          -            -
Less: Preferred stock dividends                             (318 )          -            -
Net income (loss) attributable to common stockholders   $   (985 )   $  4,131     $  1,311
Net income (loss) attributable to common
stockholders-basic                                      $  (1.22 )   $   5.40     $   1.71
Net income (loss) attributable to common
stockholders-diluted                                    $  (1.22 )   $   

5.39 $ 1.70

(a) Intersegment sales eliminate upon consolidation and are generally made at

prices approximating those that the selling entity would be able to obtain


     in third-party transactions.




OXY 2019 FORM 10-K 33



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ITEMS AFFECTING COMPARABILITY



OIL AND GAS SEGMENT
Results of Operations
millions                                                    2019         2018        2017
Segment Sales                                           $ 13,423     $ 10,441     $ 7,870
Segment Results (a)
Domestic                                                $    838     $    621     $  (589 )
International                                              1,683        1,896       1,767
Exploration                                                 (169 )        (75 )       (67 )
Total                                                   $  2,352     $  2,442     $ 1,111

Items affecting comparability
Asset sale gains, net (b)                               $    475     $      -     $   655
Asset impairments and related items domestic (c)        $   (288 )   $      -     $  (397 )
Asset impairments and related items international (d)   $    (39 )   $   (416 )   $    (4 )
Oil collars mark-to-market gains                        $   (107 )   $      

- $ -

(a) Results include significant items affecting comparability discussed in the

footnotes below.

(b) The 2019 amount included gain on sale of a portion of Occidental's joint

venture with Ecopetrol and a loss on sale of real estate assets. The 2017

gain on sale of assets included the sale of South Texas and non-core acreage

in the Permian Basin.

(c) The 2019 amount included $285 million of impairment and related charges

associated with domestic undeveloped leases that were set to expire in the

near term, where Occidental had no plans to pursue exploration activities.

The 2017 amount included $397 million of impairment and related charges

associated with non-core proved and unproved Permian acreage.

(d) The 2019 amount related to Occidental's mutually agreed early termination of

its Qatar ISSD contract. The 2018 amount consisted of impairment and related

charges associated with ISND and ISSD.

The following table sets forth the average realized prices for oil, NGL and natural gas from ongoing operations for each of the three years in the period ended December 31, 2019, and includes a year-over-year change calculation:


                                                      Year                     Year
                                                      over                     over
                                                      Year                     Year
millions (except percentages)             2019      Change         2018      Change         2017
Average Realized Prices
Oil Prices ($ per bbl)
United States                          $ 54.31          (4 )%   $ 56.30          18  %   $ 47.91
Latin America                          $ 57.26         (11 )%   $ 64.32          33  %   $ 48.50
Middle East                            $ 61.96          (8 )%   $ 67.69          34  %   $ 50.38
Total worldwide                        $ 56.09          (8 )%   $ 60.64          24  %   $ 48.93
NGL Prices ($ per bbl)
United States                          $ 16.03         (42 )%   $ 27.64          17  %   $ 23.67
Middle East                            $ 21.31          (8 )%   $ 23.20          29  %   $ 18.05
Total worldwide                        $ 17.06         (35 )%   $ 26.25          21  %   $ 21.63
Gas Prices ($ per Mcf)
United States                          $  1.31         (18 )%   $  1.59         (31 )%   $  2.31
Latin America                          $  7.01           9  %   $  6.43          27  %   $  5.08
Total worldwide                        $  1.45         (10 )%   $  1.62         (12 )%   $  1.84



Domestic oil and gas results, excluding items affecting comparability, increased
in 2019 compared to 2018 primarily due to higher oil, NGL and natural gas sales
volumes mostly due to added production from the Acquisition and increased
production in the legacy Occidental Permian Resources operations, partially
offset by lower realized oil, NGL and natural gas prices. Domestic oil and gas
results, excluding significant items affecting comparability, increased in 2018
compared to 2017 primarily due to an increase in average domestic realized oil
prices, higher volumes and lower DD&A rates.

34 OXY 2019 FORM 10-K

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International oil and gas results, excluding significant items affecting
comparability, decreased in 2019 compared to 2018 primarily due to lower volumes
from the expiration of the ISND contract and early termination of the ISSD
contract as well as a decrease in realized oil prices in Latin America and the
Middle East. International oil and gas results, excluding significant items
affecting comparability, increased in 2018 compared to 2017 primarily due to an
increase in realized oil prices in Latin America and the Middle East,
respectively.

Production


The following table sets forth the production volumes of oil, NGL and natural
gas per day from ongoing operations for each of the three years in the period
ended December 31, 2019 and includes a year-over-year change calculation:
                                                      Year                  

Year


                                                      over                  

over


Production per Day from Ongoing                       Year                     Year
Operations (MBOE/d)                       2019      Change         2018      Change         2017
United States
Permian Resources                          355          66  %       214          52  %       141
Permian EOR                                154           -  %       154           3  %       150
DJ Basin                                   120         N/A            -         N/A            -
Gulf of Mexico                              58         N/A            -         N/A            -
Other Domestic                              27         N/A            4         N/A            5
Total                                      714          92  %       372          26  %       296
Latin America                               34           6  %        32           -  %        32
Middle East
Al Hosn Gas                                 82          12  %        73           3  %        71
Dolphin                                     42           5  %        40          (5 )%        42
Oman                                        89           3  %        86          (9 )%        95
Qatar                                       35         (36 )%        55          (5 )%        58
Total                                      248          (2 )%       254          (5 )%       266
Total Production from Ongoing
Operations                                 996          51  %       658          11  %       594
Sold domestic operations                     -         N/A            -         N/A            8
Discontinued operations - Africa
Assets                                      33         N/A            -         N/A            -
Total Production (MBOE/d) (a)            1,029          56  %       658           9  %       602


(a)  Natural gas volumes have been converted to BOE based on energy content of
     six Mcf of gas to one barrel of oil. Barrels of oil equivalence does not
     necessarily result in price equivalence. Please refer to "Supplemental Oil
     and Gas Information (unaudited)" for additional information on oil and gas
     production and sales.



Average daily production volumes from ongoing operations increased in 2019
compared to 2018 primarily due to 264 MBOE/d in acquired production from the
Acquisition, including 120 MBOE/d in DJ Basin, 58 MBOE/d in the Gulf of Mexico
and 63 MBOE/d in the Delaware Basin, as well as an increase of 78 MBOE/d in the
legacy Occidental Permian Resources operations as a result of increased drilling
and well productivity.
Average daily production volumes from ongoing operations increased in 2018
compared to 2017 primarily due to higher Permian Resources production which
increased by 52% from the prior year, due to developmental drilling activity and
improved well performance.

Lease operating expense
The following table sets forth the average lease operating expense per BOE from
ongoing operations for each of the three years in the period ended December 31,
2019:
                                           2019     2018     2017

Average lease operating expense per BOE $9.19 $11.52 $11.20





Average lease operating expense per BOE, decreased in 2019 compared to 2018
primarily due to operational efficiencies related to maintenance and support
cost. Combined 2019 Permian Resources lease operating expense per BOE, was $6.80
which represented a decrease of 6% from the prior year.
Average lease operating costs per BOE, excluding taxes other than on income,
increased in 2018 compared to 2017 primarily due to increased surface operations
and maintenance costs. Permian Resources lease operating costs per BOE for 2018
decreased by 10% from the prior year, and the fourth quarter of 2018 costs were
below $7.00 per BOE, due to continued improved operational efficiencies.

OXY 2019 FORM 10-K 35

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CHEMICAL SEGMENT
millions             2019       2018       2017
Segment Sales     $ 4,102    $ 4,657    $ 4,355
Segment Results   $   799    $ 1,159    $   822



Chemical segment results decreased in 2019 compared to 2018 due to lower
realized caustic soda prices and lower domestic demand across many product lines
partially offset by favorable feedstock costs. The 2019 earnings also reflected
fees received under a pipeline easement agreement that was executed during the
first quarter of 2019.
Chemical segment results increased in 2018 compared to 2017 due to significant
improvements in realized caustic soda pricing, strong margins and demand across
many product lines and lower ethylene costs, slightly offset by decreased
caustic soda export volumes. The 2018 earnings also benefited from the full-year
equity contributions from the joint venture ethylene cracker in Ingleside,
Texas, and additional earning contributions from the Geismar, Louisiana plant
expansion to produce 4CPe.

MARKETING AND MIDSTREAM SEGMENT
millions                                         2019        2018       2017
Segment Sales                                $  4,132     $ 3,656    $ 1,157
Segment Results (a)                          $    241     $ 2,802    $    85

Items affecting comparability
Asset and equity investment sale gains (b)   $    114     $   907    $    94
Asset impairments and other charges(c)       $ (1,002 )   $     -    $  (120 )
Interest rate swaps MTM, net(d)              $     30     $     -    $     -


(a)  Results include items affecting comparability listed below, as well as WES

segment results from August 8, 2019 to December 31, 2019 of $541 million.

(b) The 2019 amount represented a $114 million gain on the sale of an equity

investment in Plains All American Pipeline, L.P. and Plains GP Holdings,

L.P. (together, Plains). The 2018 amount represented a gain on sale of

non-core domestic midstream assets. The 2017 amount represented a non-cash

fair value gain related to Plains.

(c) The 2019 amount included a $1 billion charge as a result of recording

Occidental's investment in WES at fair value as of December 31, 2019 upon

the loss of control. The 2017 amount represented impairments and related

charges related to idled midstream facilities.

(d) The 2019 amount represented a $30 million mark-to-market gain on an interest


     rate swap for WES.



Marketing and midstream segment results, excluding items affecting
comparability, decreased in 2019 compared to 2018, primarily due to lower
marketing margins from the decrease in the Midland-to-Gulf Coast spreads by
approximately $4.00 per barrel and lower pipeline income due to the 2018 sales
of the Centurion pipeline and the Ingleside Crude Oil Terminal.
Marketing and midstream segment results, excluding items affecting
comparability, increased in 2018 compared to 2017 primarily due to higher
marketing margins from improved Midland-to-Gulf Coast spreads and higher gas
plant income due to higher domestic NGL prices and higher sulfur prices in
connection with Al Hosn Gas sulfur sales.

CORPORATE

Significant corporate items during 2019 include the following: millions

                                                      2019         2018          2017
Items Affecting Comparability
Anadarko acquisition-related costs                        $ (1,647 )   $      -     $       -
Bridge loan financing fees                                $   (122 )   $    

- $ - Other acquisition-related pension and other termination benefits

$     37     $      -     $       -
Asset impairments and other charges                       $    (22 )   $      -     $       -
Gains on warrants and interest rate swaps, net            $    203     $      -     $       -




36 OXY 2019 FORM 10-K


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INCOME TAXES



Deferred tax liabilities, net of deferred tax assets of $3.7 billion, were $9.7
billion at December 31, 2019. The deferred tax assets, net of allowances, are
expected to be realized through future operating income and reversal of
temporary differences.

WORLDWIDE EFFECTIVE TAX RATE
The following table sets forth the calculation of the worldwide effective tax
rate for income from continuing operations:
millions                                            2019        2018        2017
SEGMENT RESULTS
Oil and Gas                                      $ 2,352     $ 2,442     $ 1,111
Chemical                                             799       1,159         822
Marketing and Midstream                              241       2,802          85
Unallocated corporate items                       (3,206 )      (795 )      (690 )
Income from continuing operations before taxes   $   186     $ 5,608     $ 1,328
Income tax expense (benefit)
Federal and state                                    (34 )       463        (903 )
Foreign                                              727       1,014         920
Total income tax expense                         $   693     $ 1,477     $    17

Income (loss) from continuing operations $ (507 ) $ 4,131 $ 1,311 Worldwide effective tax rate

                         373 %        26 %      

1 %





In 2019, Occidental's worldwide effective tax rate was 373%, which was largely a
result of Acquisition-related costs and charges associated with the loss of
control of WES for which Occidental received no tax benefit. Excluding the
impact of items affecting comparability, Occidental's worldwide effective tax
rate for 2019 would be 36%.
The increase in worldwide effective tax rate from 2017 to 2018 was primarily due
to the 2017 remeasurement of net deferred tax liabilities to the new federal
corporate income tax rate.

CONSOLIDATED RESULTS OF OPERATIONS





REVENUE AND OTHER INCOME ITEMS
millions                                                       2019         2018         2017
Net sales                                                  $ 20,393     $ 17,824     $ 12,508
Interest, dividends and other income                       $    217     $    136     $     99
Gain on sale of equity investments and other assets, net   $    622     $   

974 $ 667





Price and volume changes generally represent the majority of the change in the
oil and gas and chemical segments sales. Marketing and midstream sales are
mainly impacted by the change in the Midland-to-Gulf Coast spread for the
marketing business and, to a lesser extent, the change in NGL and sulfur prices
for the gas processing business.
The increase in net sales in 2019 compared to 2018 was primarily due to higher
domestic volumes related to the Acquisition, which added approximately $3.5
billion in net sales as well as increased production activity in Occidental's
Permian Resources operations, partially offset by oil, NGL and natural gas
prices in the oil and gas segment and lower realized caustic soda prices in the
chemical segment.
The increase in net sales in 2018 compared to 2017 was mainly due to higher oil
prices and higher domestic oil volumes, as well as higher marketing margins in
the marketing and midstream segment due to improved Midland-to-Gulf Coast
spreads and higher realized caustic soda prices in the chemical segment. Average
worldwide realized oil prices rose approximately 24% from 2017 to 2018.
The 2019 gain on sale included a net gain of $475 million related to
Occidental's Midland Basin joint venture with Ecopetrol and sale of real estate
assets and $114 million from the sale of Occidental's remaining equity
investment in Plains.
The 2018 gain on sale included the sale of non-core domestic midstream assets
including the Centurion common carrier pipeline and storage system, Southeast
New Mexico oil gathering system, and Ingleside Crude Terminal of $907 million.
The 2017 gain on sale included the sale of South Texas and non-core proved and
unproved Permian acreage.

OXY 2019 FORM 10-K 37


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EXPENSE ITEMS
millions                                       2019       2018       2017
Oil and gas operating expense               $ 3,246    $ 2,761    $ 2,427
Transportation expense                      $   621    $   152    $   175

Chemical and midstream cost of sales $ 2,791 $ 2,833 $ 2,938 Purchased commodities

$ 1,679    $   822    $    54

Selling, general and administrative $ 882 $ 585 $ 546 Other operating and non-operating expense $ 1,425 $ 1,028 $ 878 Depreciation, depletion and amortization $ 5,981 $ 3,977 $ 4,002 Asset impairments and other charges $ 1,361 $ 561 $ 545 Taxes other than on income

$   707    $   439    $   311

Anadarko acquisition-related costs $ 1,647 $ - $ - Exploration expense

$   246    $   110    $    82
Interest and debt expense, net              $ 1,066    $   389    $   345



OIL AND GAS OPERATING EXPENSE
Oil and gas operating expense increased in 2019 from the prior year, primarily
due to higher oil and gas production costs for surface operations and
maintenance due to increased activity mainly related to acquired operations as
part of the Acquisition.
Oil and gas operating expense increased in 2018 from the prior year, primarily
due to higher oil and gas production costs for surface operations and downhole
maintenance due to increased activity in the Permian Basin as well as an
increase in purchased CO2 injectant.

TRANSPORTATION EXPENSE
Transportation expense increased in 2019 from the prior year, primarily due to
increased oil sales volumes, mainly driven by added production and the
fulfillment of additional capacity commitments related to the Acquisition.
Transportation expense decreased in 2018 from the prior year due to the 2018
sale of the Centurion Pipeline common carrier oil pipeline and storage system
and the Ingleside Crude Terminal.

CHEMICAL AND MIDSTREAM COST OF SALES
Chemical and midstream cost of sales decreased slightly in 2019 from the prior
year, primarily due to favorable raw material costs in the chemical segment,
partially offset by an increase in midstream operation costs due to WES.
Chemical and midstream cost of sales decreased slightly in 2018 from the prior
year, primarily due to lower gas plant and maintenance expenses in the midstream
segment.

PURCHASED COMMODITIES
Purchased commodities included purchased oil volumes for which Occidental does
not act as agent. Several of these oil purchase agreements commenced in mid-year
2018. The increase in 2019 from the prior year is due to a full year of
purchases under these contracts, which are used to ensure the full utilization
of committed transportation capacity in the marketing business. Similarly, the
purchased oil volumes for contracts effective in late 2017 but in effect for the
full year of 2018 caused the increase between those years.

SELLING, GENERAL AND ADMINISTRATIVE
Selling, general and administrative expense increased in 2019 from the prior
year, primarily due to higher employee costs related to the Acquisition.
Selling, general and administrative expense increased in 2018 from the prior
year due to higher compensation costs.

OTHER OPERATING AND NON-OPERATING EXPENSE
Other operating and non-operating expense increased in 2019 from the prior year,
primarily due to higher overhead oil and gas engineering costs related to the
Acquisition.
Other operating and non-operating expense increased in 2018 from the prior year,
primarily due to higher environmental costs.

TAXES OTHER THAN ON INCOME
Taxes other than on income in 2019 increased from the prior year, primarily due
to production taxes on higher oil, NGL and natural gas volumes as well as
additional ad valorem tax related to the Acquisition.
Taxes other than on income increased in 2018 from the prior year, primarily due
to higher production taxes, which are directly tied to higher commodity prices.

38 OXY 2019 FORM 10-K


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DEPRECIATION, DEPLETION AND AMORTIZATION
DD&A expense increased in 2019 from prior year, primarily due to increased
production related to the Acquisition.
DD&A expense decreased slightly in 2018 from the prior year due to lower
domestic DD&A rates due to higher reserves partially offset by higher production
volumes and higher DD&A rates in the Middle East.

ASSET IMPAIRMENTS AND OTHER CHARGES
Asset impairments and other charges are primarily related to a $1 billion loss
on the December 31, 2019 loss of control of WES. In addition, Occidental
incurred impairment charges of approximately $285 million related to domestic
undeveloped mineral leases that were set to expire in the near term, where
Occidental had no plans to pursue exploration activities, and $39 million
related to early termination of its Qatar ISSD contract.
In 2018, Occidental incurred impairment and other charges of approximately $416
million on proved oil and gas properties and inventory in Qatar due to the
decline in oil prices. Also in 2018, the marketing and midstream segment
incurred approximately $100 million of charges primarily for lower of cost or
market adjustments on its crude inventory and line fill.
In 2017, Occidental incurred impairment and other charges of $545 million, of
which $397 million related to proved and unproved non-core Permian acreage and
$120 million for idled marketing and midstream assets.

ANADARKO ACQUISITION-RELATED COSTS
In 2019, Occidental had the following charges related to the Acquisition:
employee severance and related cost of $1 billion; licensing fees for critical
seismic data of $401 million; and $213 million for bank, legal and consulting
fees. Estimated acquisition-related charges of approximately $1.3 billion that
were mostly accrued in 2019 are expected to be mostly paid in 2020.

INTEREST AND DEBT EXPENSE, NET
Interest and debt expense, net, increased in 2019 from the prior year due to an
increase in debt issued to partially fund the Acquisition, as well as the debt
assumed through the Acquisition.
Interest and debt expense, net, remained relatively consistent between 2018 and
2017 experiencing a small increase in interest paid on debt due to the addition
of $1 billion in senior notes.

OTHER ITEMS Income/(expense) millions 2019 2018 2017 Income tax expense

$ (693 )   $ (1,477 )   $ (17 )

Income from equity investments $ 373 $ 331 $ 357 Discontinued operations, net $ (15 ) $ - $ -





INCOME TAX EXPENSE
Income tax expense decreased in 2019 from the prior year, primarily due to lower
pre-tax income, partially offset by charges related to the loss of control of
WES and acquisition-related costs for which Occidental did not receive a tax
benefit.
Income tax expense increased in 2018 from the prior year, primarily due to Tax
Reform in 2017 and higher pre-tax income in 2018. Occidental recorded an income
tax benefit in 2017 due to the revaluation of deferred taxes as a result of the
corporate tax rate reduction enacted as part of Tax Reform, partially offset by
higher pre-tax operating income as a result of a recovery in commodity prices.


OXY 2019 FORM 10-K 39


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LIQUIDITY AND CAPITAL RESOURCES





At December 31, 2019, Occidental had approximately $3.0 billion in cash and cash
equivalents. A substantial majority of this cash is held and available for use
in the United States. At December 31, 2019, Occidental had $0.5 billion in
restricted cash and restricted cash equivalents, which was primarily associated
with a benefits trust for former Anadarko employees that was funded as part of
the Acquisition. Restricted cash within the benefits trust will be made
available to Occidental as benefits are paid to former Anadarko employees.

DEBT ACTIVITY
In August 2019, Occidental issued $13.0 billion of new senior unsecured notes,
consisting of both floating and fixed rate debt. Occidental also borrowed under
the Term Loans, which consisted of: (1) a 364-day senior unsecured variable-rate
term loan tranche of $4.4 billion and (2) a two-year senior unsecured
variable-rate term loan tranche of $4.4 billion. In total, the $21.8 billion in
debt issued was used to finance part of the cash portion of the purchase price
for the Acquisition. Through the Acquisition, Occidental assumed Anadarko debt
with an outstanding principal balance of $11.9 billion.
In 2019, Occidental paid approximately $7.0 billion of long-term debt including
a majority of the Term Loans using proceeds from assets sales and available
cash.
On June 3, 2019, Occidental entered into an amendment to its existing $3.0
billion revolving credit facility (Occidental RCF) pursuant to which, among
other things, the commitments under the Occidental RCF were increased to $5.0
billion at the closing of the Acquisition. Borrowings under the Occidental RCF
bear interest at various benchmark rates, including London Inter-Bank Offered
Rate (LIBOR), plus a margin based on Occidental's senior debt-ratings. The
facility has similar terms to other debt agreements and does not contain
material adverse change clauses or debt ratings triggers that could restrict
Occidental's ability to borrow, or that would permit lenders to terminate their
commitments or accelerate debt repayment. The facility provides for the
termination of loan commitments and requires immediate repayment of any
outstanding amounts if certain events of default occur. Occidental has not drawn
down any amounts under the Occidental RCF.
As of December 31, 2019, under the most restrictive covenants of its financing
agreements, Occidental had substantial capacity for additional unsecured
borrowings, the payment of cash dividends and other distributions on, or
acquisitions of, Occidental stock.
With a continued focus on capital and operational efficiencies, Occidental
expects to fund its liquidity needs, including future dividend payments, through
cash on hand, cash generated from operations, monetization of non-core assets or
investments and, if necessary, proceeds from other forms of capital issuance.

CASH FLOW ANALYSIS
CASH PROVIDED BY OPERATING ACTIVITIES
millions                                                    2019         2018         2017
Operating cash flow from continuing operations          $  7,203     $  7,669     $  4,861
Operating cash flow from discontinued operations, net
of taxes                                                     172            -            -
Net cash provided by operating activities               $  7,375     $  

7,669 $ 4,861





Cash provided by operating activities decreased $294 million in 2019 compared to
2018, reflecting Acquisition related costs, higher interest expense, and
slightly lower oil prices, which were partially offset by a 92% increase in
domestic production volumes.
Cash provided by operating activities increased $2.8 billion in 2018 compared to
2017, reflecting higher realized worldwide oil and NGL prices, which increased
by 24% and 21%, respectively, as well as a 25% increase in domestic oil volumes.
Operating cash flows in 2018 also benefited from higher marketing margins in the
marketing and midstream segment due to improved Midland-to-Gulf Coast spreads
and higher chemical margins from significant improvements in caustic soda
prices.



40 OXY 2019 FORM 10-K


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CASH USED BY INVESTING ACTIVITIES
millions                                                        2019         2018         2017
Capital expenditures
Oil and Gas                                                $  (5,500 )   $ (4,413 )   $ (2,945 )
Chemical                                                        (267 )       (271 )       (308 )
Marketing and Midstream(a)                                      (461 )       (216 )       (284 )
Corporate                                                       (127 )        (75 )        (62 )
Total                                                      $  (6,355 )   $ (4,975 )   $ (3,599 )
Purchase of businesses and assets, net                       (28,088 )       (928 )     (1,064 )
Proceeds from sale of assets and equity investments, net       6,143        2,824        1,403
Other investing activities, net                                 (573 )       (127 )        181
Investing cash flows from continuing operations            $ (28,873 )   $ (3,206 )   $ (3,079 )
Investing cash flows from discontinued operations               (154 )          -            -
Net cash used by investing activities                      $ (29,027 )   $ 

(3,206 ) $ (3,079 )

(a) Included $365 million related to WES in 2019.



The increase in cash flows used by investing activities in 2019 compared to 2018
primarily reflected the cash portion of the Acquisition consideration, partially
offset by the cash acquired. In 2019, proceeds from the sale of assets and
equity investments, net, included the sale of Mozambique LNG assets, the
Ecopetrol joint venture, the equity investment in Plains and real estate assets.
Occidental's capital expenditures increased by $1.4 billion in 2019, compared to
2018. The increase was primarily related to the Permian Basin due to its high
returns of legacy operations coupled with the addition of assets through the
Acquisition in the Permian Basin, DJ Basin and Gulf of Mexico. Occidental's 2020
capital spending is expected to be $5.3 billion.
The increase in cash flows used by investing activities in 2018 compared to 2017
was a result of additional capital spending, primarily in the Permian Basin due
to its high returns. In 2018, proceeds from sale of assets and equity
investments, net related to the sale of non-core domestic midstream assets,
partially offset by purchases of businesses and assets, net related to the
acquisition of a previously leased power and steam cogeneration plant.

CASH PROVIDED (USED) BY FINANCING ACTIVITIES
millions                                               2019        2018     

2017

Net cash provided (used) by financing activities $ 22,193 $ (3,102 ) $ (2,343 )





Cash provided by financing activities in 2019 increased $25.3 billion, compared
to 2018, primarily due to net proceeds from long-term debt of $21.6 billion and
the issuance of $10.0 billion of preferred shares with a warrant used to fund
the Acquisition. These proceeds were partially offset by debt payments of $7.0
billion and dividends on common stock of $2.6 billion.


OXY 2019 FORM 10-K 41


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OFF-BALANCE SHEET ARRANGEMENTS

GUARANTEES


Occidental has guaranteed its portion of the debt of Dolphin Energy, an equity
method investment, and has entered into various other guarantees, including
performance bonds, letters of credit, indemnities and commitments provided by
Occidental to third parties, mainly to provide assurance that OPC or its
subsidiaries and affiliates will meet their various obligations. See "Oil and
Gas Segment - Business Review - Qatar" and "Segment Results of Operations" for
further information about Dolphin. As of December 31, 2019, and 2018, Occidental
had provided limited recourse guarantees on approximately $242 million and $244
million, respectively, of Dolphin Energy's debt, which are limited to certain
political and other events.

COMMITMENTS AND OBLIGATIONS



DELIVERY COMMITMENTS
Occidental has made commitments to certain refineries and other buyers to
deliver oil, natural gas and NGL. The total amount contracted to be delivered in
the United States is approximately 158 million barrels of oil through 2025,
1,346 Bcf of gas through 2035 and 660 million barrels of NGL through 2035. The
price for these deliveries is set at the time of delivery of the product.
Occidental has significantly more production capacity than the amounts committed
and has the ability to secure additional volumes in case of a shortfall.

CONTRACTUAL OBLIGATIONS
The following table summarizes and cross-references Occidental's contractual
obligations, and indicates on- and off-balance sheet obligations as of
December 31, 2019:
                                                                    

Payments Due by Year


                                                                 2021 and      2023 and         2025 and
millions                                 Total         2020          2022          2024       thereafter
On-Balance Sheet
Long-term debt (Note 7) (a)           $ 37,401     $      -     $  11,096     $   5,111     $     21,194
Leases (Note 8) (b)                      2,018          608           630           251              529
Asset retirement obligations (Note 1)    4,633          247           271           799            3,316
Other long-term liabilities (c)          3,765        1,054           513           490            1,708
Off-Balance Sheet
Purchase obligations (d)                20,712        3,252         5,704         4,660            7,096
Total                                 $ 68,529     $  5,161     $  18,214     $  11,311     $     33,843

(a) Excluded unamortized debt discount and interest on the debt. As of

December 31, 2019, interest on long-term debt totaling $18.1 billion is

payable in the following years: 2020 - $1.5 billion, 2021 and 2022 - $2.6

billion, 2023 and 2024 - $2.1 billion, 2025 and thereafter - $11.9 billion.

(b) Occidental is the lessee under various agreements for real estate,

equipment, plants and facilities. See Note 2 - Accounting and Disclosure

Changes in the Notes to Consolidated Financial Statements regarding the

impact of rules effective January 1, 2019 which require Occidental to

recognize most leases, including operating leases, on the balance sheet.

(c) Included obligations under postretirement benefit and deferred compensation

plans, accrued transportation commitments, severance and change of control

obligations related to the Acquisition and other accrued liabilities.

(d) Amounts included payments which will become due under long-term agreements

to purchase goods and services used in the normal course of business to

secure terminal, pipeline and processing capacity, CO2, electrical power,

steam and certain chemical raw materials. In 2019, Occidental added $7.7

billion of additional long-term commitments as a result of the loss of

control of WES. Amounts exclude certain product purchase obligations related

to marketing activities for which there are no minimum purchase requirements

or the amounts are not fixed or determinable. Long-term purchase contracts


     are discounted at a 3.89% discount rate.




42 OXY 2019 FORM 10-K



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LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES





LEGAL MATTERS
Occidental or certain of its subsidiaries are involved, in the normal course of
business, in lawsuits, claims and other legal proceedings that seek, among other
things, compensation for alleged personal injury, breach of contract, property
damage or other losses, punitive damages, civil penalties, or injunctive or
declaratory relief. Occidental or certain of its subsidiaries also are involved
in proceedings under Comprehensive Environmental Response, Compensation and
Liability Act (CERCLA) and similar federal, state, local and foreign
environmental laws. These environmental proceedings seek funding or performance
of remediation and, in some cases, compensation for alleged property damage,
punitive damages, civil penalties and injunctive relief. Usually Occidental or
such subsidiaries are among many companies in these environmental proceedings
and have to date been successful in sharing response costs with other
financially sound companies. Further, some lawsuits, claims and legal
proceedings involve acquired or disposed assets with respect to which a third
party or Occidental retains liability or indemnifies the other party for
conditions that existed prior to the transaction.
In accordance with applicable accounting guidance, Occidental accrues reserves
for outstanding lawsuits, claims and proceedings when it is probable that a
liability has been incurred and the liability can be reasonably estimated.
Reserves for matters, other than for environmental remediation, that satisfy
this criteria as of December 31, 2019, and December 31, 2018, were not material
to Occidental's Consolidated Balance Sheets.
On May 30, 2019, a complaint was filed in the Court of Chancery of the State of
Delaware by purported Occidental stockholders High River Limited Partnership,
Icahn Partners Master Fund LP and Icahn Partners LP (the "Icahn Complainants"),
captioned High River Ltd. P'ship v. Occidental Petroleum Corp., C.A. No.
2019-0403-JRS, seeking inspection of Occidental's books and records pursuant to
Section 220 of the Delaware General Corporation Law. In the complaint, the Icahn
Complainants noted that they had accumulated over $1.6 billion of Occidental
Common Stock. On June 14, 2019, Occidental filed an answer to the complaint in
the Court of Chancery of the State of Delaware. A trial was held on September
20, 2019, and the court dismissed the Icahn Complaint. The Icahn Complainants
appealed and oral arguments occurred in February 2020.
In 2016, Occidental received payments from the Republic of Ecuador of
approximately $1.0 billion pursuant to a November 2015 arbitration award for
Ecuador's 2006 expropriation of Occidental's Participation Contract for Block
15. The awarded amount represented a recovery of 60% of the value of Block 15.
In 2017, Andes Petroleum Ecuador Ltd. (Andes) filed a demand for arbitration,
claiming it is entitled to a 40% share of the judgment amount obtained by
Occidental. Occidental contends that Andes is not entitled to any of the amounts
paid under the 2015 arbitration award because Occidental's recovery was limited
to Occidental's own 60% economic interest in the block. The merits hearing is
scheduled for May 2020. Occidental intends to vigorously defend against this
claim in arbitration.
The ultimate outcome and impact of outstanding lawsuits, claims and proceedings
on Occidental cannot be predicted. Management believes that the resolution of
these matters will not, individually or in the aggregate, have a material
adverse effect on Occidental's Consolidated Balance Sheets. If unfavorable
outcomes of these matters were to occur, future results of operations or cash
flows for any particular quarterly or annual period could be materially
adversely affected. Occidental's estimates are based on information known about
the legal matters and its experience in contesting, litigating and settling
similar matters. Occidental reassesses the probability and estimability of
contingent losses as new information becomes available.

TAX MATTERS
During the course of its operations, Occidental is subject to audit by tax
authorities for varying periods in various federal, state, local and foreign tax
jurisdictions. Taxable years through 2016 for U.S. federal income tax purposes
have been audited by the U.S. Internal Revenue Service (IRS) pursuant to its
Compliance Assurance Program and subsequent taxable years are currently under
review. Taxable years through 2009 have been audited for state income tax
purposes. While a single foreign tax jurisdiction is open for 2002, all other
significant audit matters in foreign jurisdictions have been resolved through
2010. During the course of tax audits, disputes have arisen and other disputes
may arise as to facts and matters of law. Occidental believes that the
resolution of outstanding tax matters would not have a material adverse effect
on its consolidated financial position or results of operations.
For Anadarko, its taxable years through 2016 for U.S. federal and state income
tax purposes have been audited by the IRS and respective state taxing
authorities. There are outstanding significant audit matters in one foreign
jurisdiction. During the course of the tax audit, disputes have arisen and other
disputes may arise as to facts and matters of law. Other than the matter
discussed below, Occidental believes that the resolution of these outstanding
tax matters would not have a material adverse effect on its consolidated
financial position or results of operations.
Anadarko received an $881 million tentative refund in 2016 related to its $5.2
billion Tronox settlement payment in 2015. In September 2018, Anadarko received
a statutory notice of deficiency from the IRS disallowing the net operating loss
carryback and rejecting Anadarko's refund claim. As a result, Anadarko filed a
petition with the U.S. Tax Court to dispute the disallowances in November 2018.
The case is currently in the IRS appeals process. If the matter is not resolved
in the IRS appeals process, Occidental expects to continue pursuing resolution
in the U.S. Tax Court.
While Occidental believes it is entitled to this refund, in accordance with ASC
740's guidance on the accounting for uncertain tax positions, as of December
31, 2019, Occidental has recorded no tax benefit on the tentative cash tax
refund of

OXY 2019 FORM 10-K 43


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$881 million. As a result, should Occidental not ultimately prevail on the
issue, there would be no additional tax expense recorded for financial statement
purposes other than future interest. However, in that event Occidental would be
required to repay approximately $925 million ($898 million federal and $27
million in state taxes) plus accrued interest of approximately $189 million. As
a result, a liability for this amount has been recorded in deferred credits and
other liabilities - other at December 31, 2019.

INDEMNITIES TO THIRD PARTIES
Occidental, its subsidiaries, or both, have indemnified various parties against
specified liabilities those parties might incur in the future in connection with
purchases and other transactions that they have entered into with
Occidental. These indemnities usually are contingent upon the other party
incurring liabilities that reach specified thresholds. As of December 31, 2019,
Occidental is not aware of circumstances that it believes would reasonably be
expected to lead to indemnity claims that would result in payments materially in
excess of reserves.

ENVIRONMENTAL LIABILITIES AND EXPENDITURES





Occidental's operations are subject to stringent federal, state, local and
international laws and regulations related to improving or maintaining
environmental quality. The laws that require or address environmental
remediation, including Comprehensive Environmental Response, Compensation, and
Liability Act (CERCLA) and similar federal, state, local and international laws,
may apply retroactively and regardless of fault, the legality of the original
activities or the current ownership or control of sites. OPC or certain of its
subsidiaries participate in or actively monitor a range of remedial activities
and government or private proceedings under these laws with respect to alleged
past practices at operating, closed and third-party sites. Remedial activities
may include one or more of the following: investigation involving sampling,
modeling, risk assessment or monitoring; cleanup measures including removal,
treatment or disposal; or operation and maintenance of remedial systems. The
environmental proceedings seek funding or performance of remediation and, in
some cases, compensation for alleged property damage, punitive damages, civil
penalties, injunctive relief and government oversight costs.

ENVIRONMENTAL REMEDIATION
As of December 31, 2019, Occidental participated in or monitored remedial
activities or proceedings at 177 sites, which included 36 sites assumed through
the Acquisition. The following table presents Occidental's current and
non-current environmental remediation liabilities as of December 31, 2019 and
2018, the current portion of which is included in accrued liabilities ($162
million in 2019 and $120 million in 2018) and the remainder in deferred credits
and other liabilities - environmental remediation liabilities ($1.04 billion in
2019 and $762 million in 2018). Occidental continues to evaluate the remediation
obligations assumed through the Acquisition.
Occidental's environmental remediation sites are grouped into four categories:
National Priorities List (NPL) sites listed or proposed for listing by the EPA
on the CERCLA NPL and three categories of non-NPL sites - third-party sites,
Occidental-operated sites and closed or non-operated Occidental sites.
                                                       2019                              2018
                                          Number of         Remediation     Number of         Remediation
millions, except number of sites              Sites             Balance         Sites             Balance
NPL sites                                        36     $           463            34     $           458
Third-party sites                                74                 311            68                 168
Occidental-operated sites                        17                 154            14                 115
Closed or non-operated Occidental sites          50                 269            29                 141
Total                                           177     $         1,197           145     $           882



As of December 31, 2019, Occidental's environmental remediation liabilities
exceeded $10 million each at 20 of the 177 sites described above, and 101 of the
sites had liabilities from $0 to $1 million each. As of December 31, 2019, three
sites - the Diamond Alkali Superfund Site and a former chemical plant in Ohio
(both of which are indemnified by Maxus Energy Corporation, as discussed further
below) and a landfill in Western New York - accounted for 94 percent of its
liabilities associated with NPL sites. Seventeen of the 36 NPL sites are
indemnified by Maxus.
Six of the 74 third-party sites - a Maxus-indemnified chrome site in New Jersey,
a former copper mining and smelting operation in Tennessee, a former oil field,
a landfill and a chemical plant in California, and an active refinery in
Louisiana where Occidental reimburses the current owner for certain remediation
activities - accounted for 75 percent of Occidental's liabilities associated
with these sites. Nine of the 74 third-party sites are indemnified by Maxus.
Five sites - oil and gas operations in Colorado and chemical plants in Kansas,
Louisiana, New York and Texas - accounted for 67 percent of the liabilities
associated with the Occidental-operated sites.

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Six other sites - a landfill in Western New York, a former refinery in Oklahoma,
former chemical plants in California, Tennessee and Washington, and a closed
coal mine in Pennsylvania - accounted for 64 percent of the liabilities
associated with closed or non-operated Occidental sites.
Environmental remediation liabilities vary over time depending on factors such
as acquisitions or dispositions, identification of additional sites and remedy
selection and implementation. Based on current estimates, Occidental expects to
expend funds corresponding to approximately 40 percent of the year end
remediation balance over the next three to four years with the remainder over
the subsequent 10 or more years. Occidental believes its range of reasonably
possible additional losses beyond those amounts currently recorded for
environmental remediation for all of its environmental sites could be up to $1.1
billion.

MAXUS ENVIRONMENTAL SITES
When Occidental acquired Diamond Shamrock Chemicals Company (DSCC) in 1986,
Maxus, a subsidiary of YPF S.A. (YPF), agreed to indemnify Occidental for a
number of environmental sites, including the Diamond Alkali Superfund Site
(Site) along a portion of the Passaic River. On June 17, 2016, Maxus and several
affiliated companies filed for Chapter 11 bankruptcy in Federal District Court
in the State of Delaware. Prior to filing for bankruptcy, Maxus defended and
indemnified Occidental in connection with clean-up and other costs associated
with the sites subject to the indemnity, including the Site.
In March 2016, the EPA issued a Record of Decision (ROD) specifying remedial
actions required for the lower 8.3 miles of the Lower Passaic River. The ROD
does not address any potential remedial action for the upper nine miles of the
Lower Passaic River or Newark Bay. During the third quarter of 2016, and
following Maxus's bankruptcy filing, Occidental and the EPA entered into an
Administrative Order on Consent (AOC) to complete the design of the proposed
clean-up plan outlined in the ROD at an estimated cost of $165 million. The EPA
announced that it will pursue similar agreements with other potentially
responsible parties.
Occidental has accrued a remediation liability relating to its estimated
allocable share of the costs to perform the design and the remediation called
for in the AOC and the ROD, as well as for certain other Maxus-indemnified
sites. Occidental's accrued estimated environmental remediation liability does
not consider any recoveries for indemnified costs. Occidental's ultimate share
of the estimated costs may be higher or lower than its accrued remediation
liability, and is subject to final design plans and the resolution with other
potentially responsible parties. Occidental continues to evaluate the costs to
be incurred to comply with the AOC, the ROD and to perform remediation at other
Maxus-indemnified sites in light of the Maxus bankruptcy and the share of
ultimate liability of other potentially responsible parties. In June 2018,
Occidental filed a complaint under CERCLA in Federal District Court in the State
of New Jersey against numerous potentially responsible parties for reimbursement
of amounts incurred or to be incurred to comply with the AOC, the ROD or to
perform other remediation activities at the Site.
In June 2017, the court overseeing the Maxus bankruptcy approved a Plan of
Liquidation (Plan) to liquidate Maxus and create a trust to pursue claims
against YPF, Repsol and others to satisfy claims by Occidental and other
creditors for past and future cleanup and other costs. In July 2017, the
court-approved Plan became final and the trust became effective. Among other
responsibilities, the trust will pursue claims against YPF, Repsol and others
and distribute assets to Maxus' creditors in accordance with the trust agreement
and Plan. In June 2018, the trust filed its complaint against YPF and Repsol in
Delaware bankruptcy court asserting claims based upon, among other things,
fraudulent transfer and alter ego. On February 15, 2019, the bankruptcy court
denied Repsol's and YPF's motions to dismiss the complaint.

ENVIRONMENTAL COSTS
Occidental's environmental costs, some of which include estimates, are presented
below for each segment for each of the years ended December 31:
millions                   2019     2018     2017
Operating Expenses
Oil and Gas               $ 178    $  91    $  62
Chemical                     80       80       78
Marketing and Midstream      12       10        7
Total                     $ 270    $ 181    $ 147
Capital Expenditures
Oil and Gas               $ 111    $  71    $  71
Chemical                     34       23       18
Marketing and Midstream       4        2        3
Total                     $ 149    $  96    $  92
Remediation Expenses
Corporate                 $ 112    $  47    $  39

Operating expenses are incurred on a continual basis. Capital expenditures relate to longer-lived improvements in properties currently operated by Occidental. Remediation expenses relate to existing conditions from past operations.



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GLOBAL INVESTMENTS


A portion of Occidental's assets are located outside North America. The following table shows the geographic distribution of Occidental's assets at December 31, 2019 at both the segment and consolidated level related to Occidental's ongoing operations:


                                                              Marketing and     Corporate and
millions                     Oil and Gas        Chemical          Midstream             Other       Total Consolidated
North America
United States              $      72,833     $     4,173     $       13,324     $       3,952     $             94,282
Canada                                 -             126                 27                 -                      153
Middle East                        3,748               -              3,634                 -                    7,382
Latin America                      1,355              57                  -                 -                    1,412
Africa and Other                       -               5                 70             6,026                    6,101
Consolidated               $      77,936     $     4,361     $       17,055     $       9,978     $            109,330


For the year ended December 31, 2019, net sales outside North America totaled $4.6 billion, or approximately 22% of total net sales.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES





The process of preparing financial statements in accordance with generally
accepted accounting principles requires Occidental's management to make informed
estimates and judgments regarding certain items and transactions. Changes in
facts and circumstances or discovery of new information may result in revised
estimates and judgments, and actual results may differ from these estimates upon
settlement but generally not by material amounts. The selection and development
of these policies and estimates have been discussed with the Audit Committee of
the Board of Directors. Occidental considers the following to be its most
critical accounting policies and estimates that involve management's judgment.

OIL AND GAS PROPERTIES
The carrying value of Occidental's property, plant, and equipment (PP&E)
represents the cost incurred to acquire or develop the asset, including any
asset retirement obligations (AROs) and capitalized interest, net of DD&A and
any impairment charges. For assets acquired in a business combination, PP&E cost
is based on fair values at the acquisition date. Asset retirement obligations
and interest costs incurred in connection with qualifying capital expenditures
are capitalized and amortized over the useful lives of the related assets.
Occidental uses the successful efforts method to account for its oil and gas
properties. Under this method, Occidental capitalizes costs of acquiring
properties, costs of drilling successful exploration wells and development
costs. The costs of exploratory wells are initially capitalized pending a
determination of whether proved reserves have been found. If proved reserves
have been found, the costs of exploratory wells remain capitalized. For
exploratory wells that find reserves that cannot be classified as proved when
drilling is completed, costs continue to be capitalized as suspended exploratory
drilling costs if there have been sufficient reserves found to justify
completion as a producing well and sufficient progress is being made in
assessing the economic and operating viability of the project. At the end of
each quarter, management reviews the status of all suspended exploratory
drilling costs in light of ongoing exploration activities, in particular,
whether Occidental is making sufficient progress in its ongoing exploration and
appraisal efforts or, in the case of discoveries requiring government
sanctioning, analyzing whether development negotiations are underway and
proceeding as planned. If management determines that future appraisal drilling
or development activities are unlikely to occur, associated suspended
exploratory well costs are expensed.
Occidental expenses annual lease rentals, the costs of injectants used in
production, and geological, geophysical and seismic costs as incurred.
Occidental determines depreciation and depletion of oil and gas producing
properties by the unit-of-production method. It amortizes acquisition costs over
total proved reserves and capitalized development and successful exploration
costs over proved developed reserves.
Proved oil and gas reserves are those quantities of oil and gas which, by
analysis of geoscience and engineering data, can be estimated with reasonable
certainty to be economically producible-from a given date forward, from known
reservoirs, and under existing economic conditions, operating methods, and
government regulations-prior to the time at which contracts providing the right
to operate expire, unless evidence indicates that renewal is reasonably certain,
regardless of whether

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deterministic or probabilistic methods are used for the estimation. Occidental
has no proved oil and gas reserves for which the determination of economic
producibility is subject to the completion of major additional capital
expenditures.
Several factors could change Occidental's proved oil and gas reserves. For
example, Occidental receives a share of production from PSCs to recover its
costs and generally an additional share for profit. Occidental's share of
production and reserves from these contracts decreases when product prices rise
and increases when prices decline. Overall, Occidental's net economic benefit
from these contracts is greater at higher product prices. In other cases,
particularly with long-lived properties, lower product prices may lead to a
situation where production of a portion of proved reserves becomes uneconomical.
For such properties, higher product prices typically result in additional
reserves becoming economical. Estimation of future production and development
costs is also subject to change partially due to factors beyond Occidental's
control, such as energy costs and inflation or deflation of oil field service
costs. These factors, in turn, could lead to changes in the quantity of proved
reserves. Additional factors that could result in a change of proved reserves
include production decline rates and operating performance differing from those
estimated when the proved reserves were initially recorded.
Additionally, Occidental performs impairment tests with respect to its proved
properties whenever events or circumstances indicate that the carrying value of
property may not be recoverable. If there is an indication the carrying amount
of the asset may not be recovered due to significant and prolonged declines in
current and forward prices, significant changes in reserve estimates, changes in
management's plans, or other significant events, management will evaluate the
property for impairment. Under the successful efforts method, if the sum of the
undiscounted cash flows is less than the carrying value of the proved property,
the carrying value is reduced to estimated fair value and reported as an
impairment charge in the period. Individual proved properties are grouped for
impairment purposes at the lowest level for which there are identifiable cash
flows. The fair value of impaired assets is typically determined based on the
present value of expected future cash flows using discount rates believed to be
consistent with those used by market participants. The impairment test
incorporates a number of assumptions involving expectations of future cash flows
which can change significantly over time. These assumptions include estimates of
future production, product prices, contractual prices, estimates of
risk-adjusted oil and gas reserves and estimates of future operating and
development costs. It is reasonably possible that prolonged declines in
commodity prices, reduced capital spending in response to lower prices or
increases in operating costs could result in additional impairments.
For impairment testing, unless prices are contractually fixed, Occidental uses
observable forward strip prices for oil and natural gas prices when projecting
future cash flows. Future operating and development costs are estimated using
the current cost environment applied to expectations of future operating and
development activities to develop and produce oil and gas reserves. Market
prices for oil, natural gas and NGL have been volatile and may continue to be
volatile in the future. Changes in global supply and demand, transportation
capacity, currency exchange rates, and applicable laws and regulations, and the
effect of changes in these variables on market perceptions could impact current
forecasts. Future fluctuations in commodity prices could result in estimates of
future cash flows to vary significantly.
The most significant ongoing financial statement effect from a change in
Occidental's oil and gas reserves or impairment of its proved properties would
be to the DD&A rate. For example, a 5% increase or decrease in the amount of oil
and gas reserves would change the DD&A rate by approximately $1.15 per barrel,
which would increase or decrease pre-tax income by approximately $415 million
annually at current production rates.
A portion of the carrying value of Occidental's oil and gas properties is
attributable to unproved properties. Net capitalized costs attributable to
unproved properties were $29.5 billion at December 31, 2019, and $1.0 billion at
December 31, 2018. The 2019 amount is primarily related to the Acquisition. The
unproved amounts are not subject to DD&A until they are classified as proved
properties. Individually insignificant unproved properties are combined and
amortized on a group basis based on factors such as lease terms, success rates,
and other factors. If the exploration efforts are unsuccessful, or management
decides not to pursue development of these properties as a result of lower
commodity prices, higher development and operating costs, contractual conditions
or other factors, the capitalized costs of the related properties would be
expensed. The timing of any writedowns of these unproved properties, if
warranted, depends upon management's plans, the nature, timing and extent of
future exploration and development activities and their results. Occidental
periodically reviews unproved properties for impairments; numerous factors are
considered, including but not limited to, current exploration plans, favorable
or unfavorable exploration activity on the property or the adjacent property,
geologists' evaluation of the property and the remaining lease term for the
property. Management's assessment of the availability of funds for future
activities and the current and projected political and regulatory climate in
areas in which Occidental operates also impacts the timing of any impairment.

PROVED RESERVES
Occidental estimates its proved oil and gas reserves according to the definition
of proved reserves provided by the SEC and FASB. This definition includes oil,
natural gas, and NGLs that geological and engineering data demonstrate with
reasonable certainty to be economically producible in future periods from known
reservoirs under existing economic conditions, operating methods, government
regulations, etc. (at prices and costs as of the date the estimates are made).
Prices include consideration of price changes provided only by contractual
arrangements, and do not include adjustments based on expected future
conditions. For reserves information, see the Supplemental Information on Oil
and Gas Exploration and Production Activities under Item 8 of this Form 10-K.
Engineering estimates of the quantities of proved reserves are inherently
imprecise and represent only approximate amounts because of the judgments
involved in developing such information. Occidental's estimates of proved
reserves are made using available geological and reservoir data as well as
production performance data. The reliability of these estimates at any point in
time depends on both the quality and quantity of the technical and economic data
and the efficiency of extracting

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and processing the hydrocarbons. These estimates are reviewed annually by
internal reservoir engineers and revised, either upward or downward, as
warranted by additional data. Revisions are necessary due to changes in, among
other things, development plans, reservoir performance, prices, economic
conditions, and governmental restrictions as well as changes in the expected
recovery associated with infill drilling. Decreases in prices, for example, may
cause a reduction in some proved reserves due to reaching economic limits at an
earlier projected date. A material adverse change in the estimated volume of
proved reserves could have a negative impact on DD&A and could result in
property impairments.

FAIR VALUES
Occidental estimates fair-value of long-lived assets for impairment testing,
assets and liabilities acquired in a business combination or exchanged in
non-monetary transactions, pension plan assets and initial measurements of AROs.
Accounting for the acquisition of a business requires the allocation of the
purchase price to the various assets and liabilities of the acquired business
and recording deferred taxes for any differences between the allocated values
and tax basis of assets and liabilities. Any excess of the purchase price over
the amounts assigned to assets and liabilities is recorded as goodwill. The
purchase price allocation is accomplished by recording each asset and liability
at its estimated fair value.
Occidental primarily applies the market approach for recurring fair value
measurements, maximizes its use of observable inputs and minimizes its use of
unobservable inputs. When estimating the fair values of assets acquired and
liabilities assumed, Occidental must apply various assumptions.

FINANCIAL ASSETS AND LIABILITIES
Occidental utilizes the mid-point between bid and ask prices for valuing the
majority of its financial assets and liabilities measured and reported at fair
value. In addition to using market data, Occidental makes assumptions in valuing
its assets and liabilities, including assumptions about the risks inherent in
the inputs to the valuation technique. For financial assets and liabilities
carried at fair value, Occidental measures fair value using the following
methods:

Ø Occidental values exchange-cleared commodity derivatives using closing prices
provided by the exchange as of the balance sheet date. These derivatives are
classified as Level 1.
Ø      Over-the-Counter (OTC) bilateral financial commodity contracts,

international exchange contracts, options and physical commodity forward

purchase and sale contracts are generally classified as Level 2 and are

generally valued using quotations provided by brokers or industry-standard

models that consider various inputs, including quoted forward prices for

commodities, time value, volatility factors, credit risk and current

market and contractual prices for the underlying instruments, as well as

other relevant economic measures. Substantially all of these inputs are

observable in the marketplace throughout the full term of the instrument,

and can be derived from observable data or are supported by observable


       prices at which transactions are executed in the marketplace.


Ø      Occidental values commodity derivatives based on a market approach that

considers various assumptions, including quoted forward commodity prices


       and market yield curves. The assumptions used include inputs that are
       generally unobservable in the marketplace or are observable but have been

adjusted based upon various assumptions and the fair value is designated


       as Level 3 within the valuation hierarchy.


Ø      Occidental values debt using market-observable information for debt

instruments that are traded on secondary markets. For debt instruments


       that are not traded, the fair value is determined by interpolating the
       value based on debt with similar terms and credit risk.



NON-FINANCIAL ASSETS
Occidental uses market-observable prices for assets when comparable transactions
can be identified that are similar to the asset being valued. When Occidental is
required to measure fair value and there is not a market-observable price for
the asset or for a similar asset then the cost or income approach is used
depending on the quality of information available to support management's
assumptions. The cost approach is based on management's best estimate of the
current asset replacement cost. The income approach is based on management's
best assumptions regarding expectations of future net cash flows, and the
expected cash flows are discounted using a commensurate risk-adjusted discount
rate. Such evaluations involve significant judgment, and the results are based
on expected future events or conditions such as sales prices, estimates of
future oil and gas production or throughput, development and operating costs and
the timing thereof, economic and regulatory climates, and other factors, most of
which are often outside of management's control. However, assumptions used
reflect a market participant's view of long-term prices, costs, and other
factors and are consistent with assumptions used in the Company's business plans
and investment decisions.

ENVIRONMENTAL LIABILITIES AND EXPENDITURES
Environmental expenditures that relate to current operations are expensed or
capitalized as appropriate. Occidental records environmental liabilities and
related charges and expenses for estimated remediation costs that relate to
existing conditions from past operations when environmental remediation efforts
are probable and the costs can be reasonably estimated. In determining the
environmental remediation liability and the range of reasonably possible
additional losses, Occidental refers to currently available information,
including relevant past experience, remedial objectives, available technologies,
applicable laws and regulations and cost-sharing arrangements. Occidental bases
its environmental remediation liabilities on management's estimate of the most
likely cost to be incurred, using the most cost-effective technology reasonably

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expected to achieve the remedial objective. Occidental periodically reviews its
environmental remediation liabilities and adjusts them as new information
becomes available. Occidental records environmental remediation liabilities on a
discounted basis when it deems the aggregate amount and timing of cash payments
to be reliably determinable at the time the reserves are established. The
reserve methodology with respect to discounting for a specific site is not
modified once it is established. Presently none of its environmental remediation
liabilities are recorded on a discounted basis. Occidental generally records
reimbursements or recoveries of environmental remediation costs in income when
received, or when receipt of recovery is highly probable.
Many factors could affect Occidental's future remediation costs and result in
adjustments to its environmental remediation liabilities and the range of
reasonably possible additional losses. The most significant are: (1) cost
estimates for remedial activities may vary from the initial estimate; (2) the
length of time, type or amount of remediation necessary to achieve the remedial
objective may change due to factors such as site conditions, the ability to
identify and control contaminant sources or the discovery of additional
contamination; (3) a regulatory agency may ultimately reject or modify
Occidental's proposed remedial plan; (4) improved or alternative remediation
technologies may change remediation costs; (5) laws and regulations may change
remediation requirements or affect cost sharing or allocation of liability; and
(6) changes in allocation or cost-sharing arrangements may occur.
Certain sites involve multiple parties with various cost-sharing arrangements,
which fall into the following three categories: (1) environmental proceedings
that result in a negotiated or prescribed allocation of remediation costs among
Occidental and other alleged potentially responsible parties; (2) oil and gas
ventures in which each participant pays its proportionate share of remediation
costs reflecting its working interest; or (3) contractual arrangements,
typically relating to purchases and sales of properties, in which the parties to
the transaction agree to methods of allocating remediation costs. In these
circumstances, Occidental evaluates the financial viability of other parties
with whom it is alleged to be jointly liable, the degree of their commitment to
participate and the consequences to Occidental of their failure to participate
when estimating Occidental's ultimate share of liability. Occidental records its
environmental remediation liabilities at its expected net cost of remedial
activities and, based on these factors, believes that it will not be required to
assume a share of liability of such other potentially responsible parties in an
amount materially above amounts reserved.
In addition to the costs of investigations and cleanup measures, which often
take in excess of 10 years at CERCLA NPL sites, Occidental's environmental
remediation liabilities include management's estimates of the costs to operate
and maintain remedial systems. If remedial systems are modified over time in
response to significant changes in site-specific data, laws, regulations,
technologies or engineering estimates, Occidental reviews and adjusts its
liabilities accordingly.
If Occidental were to adjust the balance of its environmental remediation
liabilities based on the factors described above, the amount of the increase or
decrease would be recognized in earnings. For example, if the balance were
reduced by 10%, Occidental would record a pre-tax gain of $120 million. If the
balance were increased by 10%, Occidental would record an additional remediation
expense of $120 million.

INCOME TAXES
Occidental files various U.S. federal, state and foreign income tax returns. The
impact of changes in tax regulations are reflected when enacted. In general,
deferred federal, state and foreign income taxes are provided on temporary
differences between the financial statement carrying amounts of assets and
liabilities and their respective tax basis. Occidental routinely assesses the
realizability of its deferred tax assets. If Occidental concludes that it is
more likely than not that some of the deferred tax assets will not be realized,
the tax asset is reduced by a valuation allowance. Occidental recognizes a tax
benefit from an uncertain tax position when it is more likely than not that the
position will be sustained upon examination, based on the technical merits of
the position. The tax benefit recorded is equal to the largest amount that is
greater than 50% likely to be realized through final settlement with a taxing
authority. Interest and penalties related to unrecognized tax benefits are
recognized in income tax expense (benefit). Occidental uses the flow-through
method to account for its investment tax credits.   See Note 12 - Income Taxes
in the Notes to Consolidated Financial Statements.

LOSS CONTINGENCIES
Occidental is involved, in the normal course of business, in lawsuits, claims
and other legal proceedings and audits. Occidental accrues reserves for these
matters when it is probable that a liability has been incurred and the liability
can be reasonably estimated. In addition, Occidental discloses, in aggregate,
its exposure to loss in excess of the amount recorded on the balance sheet for
these matters if it is reasonably possible that an additional material loss may
be incurred. Occidental reviews its loss contingencies on an ongoing basis.
Loss contingencies are based on judgments made by management with respect to the
likely outcome of these matters and are adjusted as appropriate. Management's
judgments could change based on new information, changes in, or interpretations
of, laws or regulations, changes in management's plans or intentions, opinions
regarding the outcome of legal proceedings, or other factors. See "Lawsuits,
Claims and Contingencies" for additional information.

SIGNIFICANT ACCOUNTING AND DISCLOSURE CHANGES

See Note 2 - Accounting and Disclosure Changes in the Notes to Consolidated Financial Statements.



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SAFE HARBOR DISCUSSION REGARDING OUTLOOK AND OTHER FORWARD-LOOKING DATA





Portions of this report contain forward-looking statements within the meaning of
Section 27A of the Securities Act of 1933 and Section 21E of the Securities
Exchange Act of 1934 and involve risks and uncertainties that could materially
affect expected results of operations, liquidity, cash flows and business
prospects. Words such as "estimate," "project," "predict," "will," "would,"
"should," "could," "may," "might," "anticipate," "plan," "intend," "believe,"
"expect," "aim," "goal," "target," "objective," "likely" or similar expressions
that convey the prospective nature of events or outcomes generally indicate
forward-looking statements. You should not place undue reliance on these
forward-looking statements, which speak only as of the date of this report.
Unless legally required, Occidental does not undertake any obligation to update
any forward-looking statements as a result of new information, future events,
except as required by law. Factors that may cause Occidental's results of
operations and financial position to differ from expectations include the
factors discussed in Item 1A, "Risk Factors" and elsewhere in this Annual Report
on Form 10-K.

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