(dollars in millions, except per-share amounts, average realized prices, and
                             average cost amounts;

      dry metric tons in millions (mdmt); metric tons in thousands (kmt))

Overview

Our Business

Alcoa Corporation (Alcoa or the Company) is a vertically integrated aluminum
company comprised of bauxite mining, alumina refining, aluminum production
(smelting, casting, and rolling), and energy generation. Aluminum is a commodity
that is traded on the London Metal Exchange (LME) and priced daily.
Additionally, alumina is subject to market pricing through the Alumina Price
Index (API), which is calculated by the Company based on the weighted average of
a prior month's daily spot prices published by the following three indices: CRU
Metallurgical Grade Alumina Price; Platts Metals Daily Alumina PAX Price; and
Metal Bulletin Non-Ferrous Metals Alumina Index. As a result, the price of both
aluminum and alumina is subject to significant volatility and, therefore,
influences the operating results of Alcoa Corporation.

Through direct and indirect ownership, Alcoa Corporation has 30 operating
locations in nine countries around the world, situated primarily in Australia,
Brazil, Canada, Iceland, Norway, Spain, and the United States. Governmental
policies, laws and regulations, and other economic factors, including inflation
and fluctuations in foreign currency exchange rates and interest rates, affect
the results of operations in these countries.

Business Update





In September 2019, Alcoa Corporation announced the implementation of a new
operating model that will result in a leaner, more integrated, operator-centric
organization. Effective November 1, 2019, the new operating model eliminates the
business unit structure, consolidates sales, procurement and other commercial
capabilities at an enterprise level, and streamlines the Executive Team that
reports to the Chief Executive Officer. The new structure will reduce overhead
with the intention of promoting operational and commercial excellence and
increasing connectivity between the Company's operations and leadership. As a
result of the new operating model, a charge of $37 was recorded related to
employee termination and severance costs. Annual operating cost savings of
approximately $60 related to the new operating model are expected beginning in
the second quarter of 2020.



In October 2019, the Company announced initiatives to drive lower costs and
sustainable profitability. Planned initiatives include (i) over the next 12 to
18 months, pursuing non-core asset sales expected to generate an estimated $500
to $1,000 in net proceeds in support of its updated strategic priorities and
(ii) over the next five years, realigning its operating portfolio. For the
portfolio review, the Company has placed 1.5 million metric tons of smelting
capacity and 4 million metric tons of alumina refining capacity under review.
The review will consider opportunities for significant improvement, potential
curtailments, closures, or divestitures.



In December 2019, the Company announced the permanent closure of its alumina
refinery in Point Comfort, Texas as its first action of the multi-year portfolio
review. The site's 2.3 million metric tons of refining capacity had been fully
curtailed since 2016. As a result of the decision to close the refinery, a $274
charge was recorded to Restructuring and other charges, net (see Note D to the
Consolidated Financial Statements in Part II Item 8 of this Form 10-K).
Beginning in 2020, the closure is expected to result in annual net income
improvement of approximately $15 (after-tax and noncontrolling interest) and
cash savings of approximately $10 (Alcoa's share) when compared to the ongoing
spend for curtailment, exclusive of closure costs.



On December 31, 2019, Alcoa completed the transfer of the Afobaka hydroelectric
dam to the Government of the Republic of Suriname, according to definitive
agreements approved by its parliament. After curtailment of Alcoa's operations
in Suriname in 2015 and permanent closure in early 2017, Alcoa continued to
operate the dam, selling electricity to the government for its subsequent sale
to customers in Suriname. Alcoa expects an annual net income reduction related
to the loss of electricity sales of approximately $20 (after-tax and
noncontrolling interest) based on 2019 results.



In January 2020, the Company announced the sale of Elemental Environmental
Solutions LLC (EES), a wholly-owned Alcoa subsidiary that operates the waste
processing facility in Gum Springs, Arkansas, to a global environmental firm in
a transaction valued at $250. The transaction closed as of January 31, 2020
whereby the Company received $200 with another $50 held in escrow to be paid to
Alcoa if certain post-closing conditions are satisfied. As a result of the
transaction, the Company expects to recognize a gain of approximately $175 in
the first quarter of 2020 and annual net income improvement of approximately
$10.



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Separation Transaction



References to ParentCo refer to Alcoa Inc., a Pennsylvania corporation, and its
consolidated subsidiaries through October 31, 2016, at which time was renamed
Arconic Inc. (Arconic).

On November 1, 2016 (the Separation Date), ParentCo separated into two
standalone, publicly-traded companies, Alcoa Corporation and Arconic, effective
at 12:01 a.m. Eastern Time (the Separation Transaction). Regular-way trading of
Alcoa Corporation's common stock began with the opening of the New York Stock
Exchange on November 1, 2016 under the ticker symbol "AA." The Company's common
stock has a par value of $0.01 per share.

To effect the Separation Transaction, ParentCo undertook a series of
transactions to separate the net assets and certain legal entities of ParentCo,
resulting in an initial cash payment of $1,072 to ParentCo by Alcoa Corporation
with the net proceeds of a previous debt offering (see Note L to the
Consolidated Financial Statements in Part II Item 8 of this Form 10-K).
Additionally, $247 was paid to Arconic by the Company in 2017, including $243
from the proceeds associated with the sale of certain energy operations (see
Note C to the Consolidated Financial Statements in Part II Item 8 of this Form
10-K).

In connection with the Separation Transaction, Alcoa Corporation and Arconic
entered into certain agreements to implement the legal and structural separation
between the two companies, govern the relationship between the Company and
Arconic after the completion of the Separation Transaction, and allocate between
Alcoa Corporation and Arconic various assets, liabilities, and obligations.
These agreements included a Separation and Distribution Agreement, Tax Matters
Agreement, Employee Matters Agreement, Transition Services Agreement, certain
Patent, Know-How, Trade Secret License and Trademark License Agreements, and
Stockholder and Registration Rights Agreement.

Basis of Presentation. The Consolidated Financial Statements of Alcoa
Corporation are prepared in conformity with accounting principles generally
accepted in the United States of America (GAAP). In accordance with GAAP,
certain situations require management to make estimates based on judgments and
assumptions, which may affect the reported amounts of assets and liabilities and
the disclosure of contingent assets and liabilities at the date of the financial
statements. They also may affect the reported amounts of revenues and expenses
during the reporting periods. Actual results could differ from those estimates
upon subsequent resolution of identified matters. Certain amounts in previously
issued financial statements were reclassified to conform to the current period
presentation.



As of January 1, 2019, the Company changed its accounting method for valuing
certain inventories from last-in, first-out (LIFO) to average cost. The effects
of the change in accounting principle have been retrospectively applied to all
prior periods presented.

The discussion that follows includes a comparison of our results of operations
and liquidity and capital resources for the fiscal years ended December 31, 2019
and 2018. For a discussion of changes from the fiscal year ended December 31,
2017 to the fiscal year ended December 31, 2018, refer to Management's
Discussion and Analysis of Financial Condition and Results of Operation in Part
II Item 7 of Alcoa Corporation's Annual Report on Form 10-K for the year ended
December 31, 2018 (filed February 26, 2019).

Results of Operations

Earnings Summary



Net loss attributable to Alcoa Corporation for 2019 was $1,125 compared with net
income of $250 in 2018. The change of $1,375 was primarily due to lower margin
from declining alumina and aluminum prices and higher restructuring costs,
partially offset by favorable currency impacts, a lower income tax provision,
higher volume, and lower net income attributable to noncontrolling interest.

Sales-Sales for 2019 were $10,433 compared with $13,403 in 2018, a change of
$2,970, or 22%. The decrease was largely attributed to a lower average realized
price for alumina and primary aluminum, the end of a flat rolled products
tolling arrangement in Tennessee, and reduced sales from the divestiture of two
aluminum facilities in Spain.

Cost of Goods Sold-Cost of goods sold as a percentage of Sales was 82% in 2019
compared with 75% in 2018. The percentage was negatively impacted by a lower
average realized price for both alumina and aluminum products. The unfavorable
impacts were partially offset by higher alumina shipments, net favorable foreign
currency movements due to a stronger U.S. dollar, primarily against the
Australian dollar, the euro, and the Brazilian real, improvements due to the
divestiture of two aluminum facilities in Spain, and the partial exemption of
tariffs on certain aluminum imports in 2019 (see Aluminum in Segment Information
below).

Selling, General Administrative, and Other Expenses-Selling, general
administrative, and other expenses were $280, or 3% of Sales, in 2019 compared
with $248, or 2% of Sales, in 2018. The change of $32 was primarily related to
the unfavorable impact of a bad debt reserve recorded against a Canadian
customer receivable due to a 2019 bankruptcy filing.

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Provision for Depreciation, Depletion, and Amortization-The provision for DD&A
was $713 in 2019 compared with $733 in 2018. The decrease of $20, or 3%, was
principally caused by net favorable foreign currency movements, largely due to a
stronger U.S. dollar against the Brazilian real, Australian dollar and Canadian
dollar and the divestiture of two aluminum facilities in Spain. The favorable
changes were partially offset by higher depreciation from the shortened lives of
certain residue disposal areas in Brazil as a result of regulatory changes that
occurred in 2019.

Restructuring and Other Charges, Net-Restructuring and other charges, net was
$1,031 in 2019 compared with $527 in 2018. In 2019, management took several
actions to strengthen the Company which had a significant impact on
Restructuring and other charges, net. These actions include divesting Alcoa's
equity investment in Ma'aden Rolling Company, the curtailment and subsequent
divestiture of the Avilés and La Coruña (Spain) aluminum facilities, additional
actions taken to reduce the overall pension and other postretirement benefit
(OPEB) liabilities, announcing a new operating model that will streamline
reporting to assist in operational effectiveness, and deciding to permanently
close the Point Comfort alumina refinery. The increase in charges from 2018 is
mainly attributed to the above factors and is partially offset by lower
settlements and curtailments related to retirement benefits and the absence of a
charge related to value-added tax credits recorded in 2018. See Note D in Part
II Item 8 of this Form 10-K for a detailed description of each restructuring
action.

Other Expenses, net-Other expenses, net was $162 in 2019 compared with $64 in
2018. The change of $98 was mostly due to unfavorable changes in foreign
currency movements ($73), an unfavorable change in equity earnings ($32),
primarily related to the joint venture in Saudi Arabia as a result of lower
alumina and aluminum prices which were slightly offset by the partial year
absence of rolling mill losses, and reduced gains related to mark-to-market
derivative instruments. These items were partially offset by lower non-service
costs related to pension and other postretirement benefit plans ($22) primarily
due to the actions taken by management to reduce the overall pension and OPEB
liabilities.

Income Taxes-Alcoa Corporation's effective tax rate was (94.9)% (provision on
loss) in 2019 compared with the U.S. federal statutory rate of 21%. Alcoa's
effective tax rate and federal statutory rate for 2018 were 45% (provision on
income) and 21%, respectively. The effective tax rate differs from the U.S.
federal statutory rate primarily due to losses in countries with full valuation
reserves resulting in no tax benefit, as well as foreign income taxed in higher
rate jurisdictions. In 2019, the effective tax rate was also impacted by
restructuring expenses related to divestitures in foreign jurisdictions that are
not deductible for tax purposes.

In addition to reviewing the effective tax rate, management utilizes an adjusted
effective tax rate (the operational tax rate) to assess the tax on operations
exclusive of special items. Management reviews the operating results of the
Company exclusive of special items, and therefore believes that this measure is
meaningful for assessing the impact of these special items on the effective tax
rate. Management anticipates the operational tax rate in 2020 to be between 70%
and 80%. However, business portfolio actions, changes in the current economic
environment, tax legislation or rate changes, currency fluctuations, ability to
realize deferred tax assets, and the results of operations in certain tax
jurisdictions may cause the actual rate to fall outside of the estimated range.



Noncontrolling Interest-Net income attributable to noncontrolling interest was
$272 in 2019 compared with $643 in 2018. These amounts are entirely related to
Alumina Limited's 40% ownership interest in several affiliated operating
entities, which own, have an interest in, or operate the bauxite mines and
alumina refineries within Alcoa's Bauxite and Alumina segments (except for the
Poços de Caldas mine and refinery and portions of the São Luís refinery and
investment in Mineração Rio do Norte S.A., all in Brazil) and a portion (55%) of
the Portland smelter (Australia) within the Company's Aluminum segment. These
individual entities comprise an unincorporated global joint venture between
Alcoa Corporation and Alumina Limited known as Alcoa World Alumina and Chemicals
(AWAC). Alcoa Corporation owns 60% of these individual entities, which are
consolidated by the Company for financial reporting purposes and include Alcoa
of Australia Ltd. (AofA), Alcoa World Alumina LLC (AWA), Alcoa World Alumina
Brasil Ltda. (AWAB), and Alúmina Española, S.A. (Española). Alumina Limited's
40% interest in the earnings of such entities is reflected as Noncontrolling
interest on Alcoa Corporation's Statement of Consolidated Operations.

In 2019, these combined entities generated lower net income compared to 2018, primarily driven by lower alumina prices.

Segment Information

Alcoa Corporation is a producer of bauxite, alumina, and aluminum products
(primary and flat-rolled). The Company's operations consist of three worldwide
reportable segments: Bauxite, Alumina, and Aluminum. Segment performance under
Alcoa Corporation's management reporting system is evaluated based on a number
of factors; however, the primary measure of performance is the Adjusted EBITDA
(Earnings before interest, taxes, depreciation, and amortization) of each
segment. The Company calculates Segment Adjusted EBITDA as Total sales
(third-party and intersegment) minus the following items: Cost of goods sold;
Selling, general administrative, and other expenses; and Research and
development expenses. Alcoa Corporation's Adjusted EBITDA may not be comparable
to similarly titled measures of other companies.

Segment Adjusted EBITDA totaled $1,626 in 2019, $3,250 in 2018, and $2,739 in
2017. The following information provides production, shipments, sales, and
Segment Adjusted EBITDA data for each reportable segment, as well as certain
realized

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price and average cost data, for each of the three years in the period ended
December 31, 2019. See Note E to the Consolidated Financial Statements in Part
II Item 8 of this Form 10-K for additional information.

Bauxite



                                                      2019        2018        2017
Production (mdmt)                                       47.4        45.8        45.8
Third-party shipments (mdmt)                             6.2         5.7         6.6
Intersegment shipments (mdmt)                           41.4        41.2        41.1
Total shipments (mdmt)                                  47.6        46.9        47.7
Third-party sales                                    $   297     $   271     $   333
Intersegment sales                                       979         944         875
Total sales                                          $ 1,276     $ 1,215     $ 1,208
Segment Adjusted EBITDA                              $   504     $   426     $   424
Operating costs                                      $   859     $   869     $   839
Average cost per dry metric ton of bauxite shipped   $    18     $    19     $    18

Operating costs in the table above includes all production-related costs: conversion costs, such as labor, materials, and utilities; depreciation, depletion, and amortization; and plant administrative expenses.



Overview. This segment represents the Company's global bauxite mining
operations. A portion of this segment's production represents the offtake from
equity method investments in Brazil and Guinea, as well as AWAC's share of
production related to the equity investment in Saudi Arabia. Production in the
above table can vary from Total shipments due primarily to differences between
the equity allocation of production and off-take agreements with the respective
equity investment. The bauxite mined by this segment is sold primarily to
internal customers within the Alumina segment; a portion of the bauxite is sold
to external customers. Bauxite mined by this segment and used internally is
transferred to the Alumina segment at negotiated terms that are intended to
approximate market prices; sales to third-parties are conducted on a contract
basis. Generally, this segment's sales are transacted in U.S. dollars while
costs and expenses are transacted in the local currency of the respective
operations, which are the Australian dollar and the Brazilian real. Most of the
operations that comprise the Bauxite segment are part of AWAC (see
Noncontrolling Interest in Earnings Summary above).

Business Update. The Bauxite segment had record annual production in 2019 which
included annual production records for the Willowdale, Huntly, and Juruti mines.
The record annual production contributed to the record annual Adjusted EBITDA
for the segment.

Additionally, in November 2019, employees in Western Australian eligible for
coverage by the Australian Workers Union (AWU) enterprise agreement (EA) voted
in support of the agreement proposed by the Company and representatives of the
AWU in October 2019. The agreement has been ratified by the Fair Works Counsel
and is in effect for approximately 1,500 employees across the Bauxite and
Alumina segments combined.

Mining operations are relocated periodically in support of optimizing the value
extracted from bauxite reserves. During 2019, the Company began the process of
moving the Willowdale mining operations to the next planned location in the
Darling range, and began preparing for movement of the Juruti mining operations
which is expected to start in 2020. As a result of these movements, additional
capital expenditures are anticipated for 2020 compared with 2019.

Production. In 2019, bauxite production increased 3% compared with 2018, from higher production at five of the segment's seven mines.

Sales. Third-party sales for the Bauxite segment increased 10% in 2019 compared with 2018, primarily attributed to a 9% increase in third-party shipments.

Intersegment sales for the Bauxite segment increased 4% in 2019 compared with 2018 which was primarily driven by a higher average realized price.



Segment Adjusted EBITDA. Bauxite Segment Adjusted EBITDA improved $78 in 2019
compared with 2018, principally as a result of the previously mentioned higher
average realized price for intersegment sales and net favorable foreign currency
movements due to a stronger U.S. dollar against the Australian dollar and
Brazilian real.

Forward-Look. In 2020, lower intersegment and third-party prices are anticipated in addition to higher capital expenditures as a result of the previously mentioned Willowdale and Juruti mining location moves.


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Alumina



                                                   2019           2018           2017
Production (kmt)                                    13,302         12,857         13,096
Third-party shipments (kmt)                          9,473          9,259          9,220
Intersegment shipments (kmt)                         4,072          4,326          4,475
Total shipments (kmt)                               13,545         13,585         13,695
Third-party sales                               $    3,250     $    4,215     $    3,133
Intersegment sales                                   1,561          2,101          1,723
Total sales                                     $    4,811     $    6,316     $    4,856
Segment Adjusted EBITDA                         $    1,097     $    2,373     $    1,289
Average realized third-party price per metric
ton of alumina                                  $      343     $      455     $      340
Operating costs                                 $    3,646     $    3,892     $    3,506
Average cost per metric ton of alumina
shipped                                         $      269     $      286

$ 256




In the above table, total shipments include metric tons that were not produced
by the Alumina segment. Such alumina was purchased to satisfy certain customer
commitments. The Alumina segment bears the risk of loss of the purchased alumina
until control of the product has been transferred to this segment's customer.
Additionally, operating costs in the table above includes all production-related
costs: raw materials consumed; conversion costs, such as labor, materials, and
utilities; depreciation and amortization; and plant administrative expenses.

Overview. This segment represents the Company's worldwide refining system, which
processes bauxite into alumina. The alumina produced by this segment is sold
primarily to internal and external aluminum smelter customers; a portion of the
alumina is sold to external customers who process it into industrial chemical
products. Approximately two-thirds of Alumina's production is sold under supply
contracts to third parties worldwide, while the remainder is used internally by
the Aluminum segment. Alumina produced by this segment and used internally is
transferred to the Aluminum segment at prevailing market prices. A portion of
this segment's third-party sales are completed through the use of alumina
traders. Generally, this segment's sales are transacted in U.S. dollars while
costs and expenses are transacted in the local currency of the respective
operations, which are the Australian dollar, the Brazilian real, the U.S.
dollar, and the euro. Most of the operations that comprise the Alumina segment
are part of AWAC (see Noncontrolling Interest in Earnings Summary above). This
segment also includes AWAC's 25.1% ownership interest in the mining and refining
joint venture company in Saudi Arabia.

Business Update. The Alumina segment had record annual production in 2019 which
included annual production records for the Wagerup, Pinjarra, and San Ciprián
alumina refineries. In November 2019, employees in Western Australian eligible
for coverage by the AWU EA voted in support of the agreement proposed by the
Company and representatives of the AWU in October 2019. The agreement has been
ratified by the Fair Works Counsel and is in effect for approximately 1,500
employees across the Bauxite and Alumina segments combined. Additionally, in
December 2019, the Company announced the closure of the Point Comfort alumina
refinery which had been fully curtailed since 2016.

During 2019, the average API (on 30-day lag) continued to decrease, while the
Alumina segment improved stability across the refining system and realized the
benefit of declining prices for caustic soda.

Capacity. At December 31, 2019, the Alumina segment had a base capacity of
12,759 kmt with 214 kmt of curtailed refining capacity, both of which were down
from 2018 due to the announcement of the permanent closure of the previously
curtailed Point Comfort alumina refinery. There were no other changes to
curtailed or base capacity during 2019.

Production. In 2019, alumina production increased by 445 kmt compared to 2018, principally due to stabilization of operations across the refining system.



Sales. Third-party sales for the Alumina segment decreased 23% in 2019 compared
with 2018, primarily attributable to a decline in average realized price which
was principally driven by a lower average API (on 30-day lag).

Intersegment sales for the Alumina segment decreased 26% in 2019 compared with 2018 which was primarily driven by a lower average realized price.



Segment Adjusted EBITDA. Alumina Segment Adjusted EBITDA decreased $1,276 in
2019 compared with 2018, largely attributed to the previously mentioned lower
average realized prices, higher costs for bauxite and energy, and increased
maintenance expenses. These negative impacts were partially offset by net
favorable foreign currency movements due to a stronger U.S. dollar, particularly
against the Australian dollar and Brazilian real, and lower costs for caustic
soda.

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Forward-Look. In 2020, higher natural gas costs in Australia are expected to be
more than offset by lower costs for both bauxite and caustic soda. Additionally,
approximately 10% of the Alumina segment's intercompany shipments will move to
an API based price from a percentage of LME price.

Aluminum



Total Aluminum information                                 2019        2018        2017
Third-party aluminum shipments (kmt)                        2,859       3,268       3,356
Third-party sales                                         $ 6,803     $ 8,829     $ 8,027
Intersegment sales                                             17          18          21
Total sales                                               $ 6,820     $ 8,847     $ 8,048
Segment Adjusted EBITDA                                   $    25     $   451     $ 1,026

Primary aluminum information                                2019        2018        2017
Production (kmt)                                            2,135       2,259       2,328
Third-party shipments (kmt)                                 2,535       2,732       2,773
Third-party sales                                         $ 5,426     $ 6,787     $ 6,168
Average realized third-party price per metric ton         $ 2,141     $ 2,484     $ 2,224
Total shipments (kmt)                                       2,597       2,844       2,952
Operating costs                                           $ 5,847     $

6,974 $ 5,868 Average cost per metric ton of primary aluminum shipped $ 2,251 $ 2,452 $ 1,988




In the above table, total aluminum third-party shipments and total primary
aluminum shipments include metric tons that were not produced by the Aluminum
segment. Such aluminum was purchased by this segment to satisfy certain customer
commitments. The Aluminum segment bears the risk of loss of the purchased
aluminum until control of the product has been transferred to this segment's
customer. Total aluminum information incudes flat-rolled aluminum while Primary
aluminum information does not. Operating costs includes all production-related
costs: raw materials consumed; conversion costs, such as labor, materials, and
utilities; depreciation and amortization; and plant administrative expenses.

The average realized third-party price per metric ton of primary aluminum
includes three elements: a) the underlying base metal component, based on quoted
prices from the LME; b) the regional premium, which represents the incremental
price over the base LME component that is associated with the physical delivery
of metal to a particular region (e.g., the Midwest premium for metal sold in the
United States); and c) the product premium, which represents the incremental
price for receiving physical metal in a particular shape (e.g., billet, slab,
rod, etc.) or alloy.

Overview. This segment consists of the Company's (i) worldwide smelting and
casthouse system, which processes alumina into primary aluminum, (ii) portfolio
of energy assets in Brazil, Canada, and the United States, and (iii) a rolling
mill in the United States.

Aluminum's combined smelting and casting operations produce primary aluminum
products, virtually all of which are sold to external customers and traders; a
portion of this primary aluminum is consumed by the rolling mill. The smelting
operations produce molten primary aluminum, which is then formed by the casting
operations into either common alloy ingot (e.g., t-bar, sow, standard ingot) or
into value-add ingot products (e.g., foundry, billet, rod, and slab). A variety
of external customers purchase the primary aluminum products for use in
fabrication operations, which produce products primarily for the transportation,
building and construction, packaging, wire, and other industrial markets.
Results from the sale of aluminum powder and scrap are also included in this
segment, as well as the impacts of embedded aluminum derivatives related to
energy supply contracts.

The energy assets supply power to external customers in Brazil and, to a lesser
extent, in the United States, as well as internal customers in the Aluminum
(Canadian smelters and Warrick (Indiana) smelter and rolling mill) and Alumina
segments (Brazilian refineries).

The rolling mill produces aluminum sheet primarily sold directly to customers in
the packaging market for the production of aluminum cans (beverage and
food). Additionally, from the Separation Date through the end of 2018, Alcoa
Corporation had a tolling arrangement (contractually ended on December 31, 2018)
with Arconic whereby Arconic's rolling mill in Tennessee produced can sheet
products for certain customers of the Company's rolling operations. Alcoa
supplied all of the raw materials to the Tennessee facility and paid Arconic for
the tolling service. Seasonal increases in can sheet sales are generally
experienced in the second and third quarters of the calendar year.

Generally, this segment's aluminum sales are transacted in U.S. dollars while
costs and expenses of this segment are transacted in the local currency of the
respective operations, which are the U.S. dollar, the euro, the Norwegian krone,
the Icelandic króna, the Canadian dollar, the Brazilian real, and the Australian
dollar.

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This segment also includes Alcoa Corporation's 25.1% ownership interest in both
the smelting and rolling mill joint venture company in Saudi Arabia (the rolling
mill was divested in June 2019).

Business Update. During 2019, significant labor agreements in the United States
and Canada were modernized and extended for up to six years. As a result of a
more competitive and long-term labor agreement, the process to restart the
Bécancour (Canada) smelter began in July 2019. Previously, in January 2018, a
lockout of the bargained hourly employees commenced at the Bécancour smelter, as
labor negotiations reached an impasse. Accordingly, management initiated a
curtailment of two of the three potlines at the smelter. Additionally, in
December 2018, half of the one operating potline at the Bécancour smelter was
curtailed. This additional curtailment was deemed necessary to ensure continued
safety and maintenance due to recent retirements and departures among the
salaried workforce.

In May 2019, Canada and Mexico received an exemption from tariffs that had been
imposed on aluminum produced and imported from those countries under Section 232
of the Trade Expansion Act of 1962. These tariffs were originally enacted in
March 2018.

In June 2019, Alcoa and Saudi Arabian Mining Company (known as Ma'aden) amended
the joint venture agreement that governs the operations of each of the three
companies that comprise the joint venture. The amendment, among other items,
transferred Alcoa's 25.1% interest in the rolling mill to Ma'aden and, as a
result, Alcoa has no further direct or indirect equity interest in Ma'aden
Rolling Company. See Note C to the Consolidated Financial Statements in Part II
Item 8 of this Form 10-K for additional information.

In February 2019, Alcoa curtailed the smelters at Avilés and La Coruña (Spain)
after reaching an agreement with the workers' representatives on a collective
dismissal process. In July 2019, Alcoa divested the Company's interest in the
Avilés and La Coruña aluminum facilities to PARTER Capital Group AG. See Note C
to the Consolidated Financial Statements in Part II Item 8 of this Form 10-K.

Capacity. At December 31, 2019, the Aluminum segment had 766 kmt of idle
smelting capacity on a base capacity of 2,993 kmt. In 2019, idle capacity
decreased 150 kmt and base capacity decreased 180 kmt compared with December 31,
2018 due to the curtailment (February 2019) and subsequent divestiture (July
2019) of the Avilés and La Coruña facilities and the restart of 94 kmt at the
Bécancour (Canada) smelter due to the aforementioned new labor agreement.

Production. In 2019, primary aluminum production decreased by 124 kmt compared
with 2018, primarily due to lower production at the Bécancour smelter as a
result of the previously mentioned curtailment and the curtailment and
subsequent divestiture of the Avilés and La Coruña facilities, partially offset
by a full year of restarted production at the Warrick smelter.

Sales. Third-party sales for the Aluminum segment decreased 23% in 2019 compared
with 2018, primarily attributed to a reduction in metal price, a decrease in
flat-rolled aluminum shipments due to the end of tolling arrangement with
Arconic in December 2018, and decreased primary aluminum shipments, mainly
resulting from the curtailment and subsequent divesture of the Avilés and La
Coruña facilities and decreased production from the Bécancour (Canada) smelter
resulting from the previously mentioned curtailments. The reduction in metal
price was mainly driven by a 15% lower average LME price (on 15-day lag)
combined with a decrease in the Midwest regional premium of 5%.

Segment Adjusted EBITDA. Aluminum Segment Adjusted EBITDA decreased $426 in 2019
compared with 2018. The decrease was mainly attributable to lower metal prices,
unfavorable energy pricing, higher labor costs, and the establishment of a bad
debt reserve against a Canadian customer receivable. These unfavorable impacts
were partially offset by lower alumina and carbon costs, favorable foreign
currency impacts due to a stronger U.S. dollar, primarily against the euro,
Norwegian kroner, and Icelandic kròna, and the partial exemption of the Section
232 tariffs in the United States.

Forward-Look. In 2020, benefits from the Bécancour (Canada) smelter restart and
lower raw material costs are expected to offset the volatility in energy
exposures not covered by long term contracts. Additionally, the segment will
experience the impact of approximately 10% of the intercompany alumina receipts
moving to an API based price from a percentage of LME price.

                                       40

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Reconciliations of Certain Segment Information

Reconciliation of Total Segment Third-Party Sales to Consolidated Sales





                                    2019         2018         2017
Bauxite                           $    297     $    271     $    333
Alumina                              3,250        4,215        3,133
Aluminum:
Primary aluminum                     5,426        6,787        6,168
Other(1)                             1,377        2,042        1,859
Total segment third-party sales     10,350       13,315       11,493
Other                                   83           88          159
Consolidated sales                $ 10,433     $ 13,403     $ 11,652

(1) Other includes third-party sales of flat-rolled aluminum and energy, as well

as realized gains and losses related to embedded derivative instruments

designated as cash flow hedges of forward sales of aluminum.




Reconciliation of Total Segment Operating Costs to Consolidated Cost of Goods
Sold



                                                   2019           2018           2017
Bauxite                                         $      859     $      869     $      839
Alumina                                              3,646          3,892          3,506
Primary aluminum                                     5,847          6,974          5,868
Other(1)                                             1,404          1,915          1,687
Total segment operating costs                       11,756         13,650         11,900
Eliminations(2)                                     (2,707 )       (3,055 )       (2,539 )
Provision for depreciation, depletion,
amortization(3)                                       (676 )         (699 )         (704 )
Other(4)                                               164            157   

293


Consolidated cost of goods sold                 $    8,537     $   10,053     $    8,950

(1) Other largely relates to the Aluminum segment's flat-rolled aluminum product

division.

(2) This line item represents the elimination of cost of goods sold related to

intersegment sales between Bauxite and Alumina and between Alumina and

Aluminum.

(3) Depreciation, depletion, and amortization is included in the operating costs

used to calculate average cost for each of the bauxite, alumina, and primary

aluminum product divisions (see Bauxite, Alumina, and Aluminum

above). However, for financial reporting purposes, depreciation, depletion,

and amortization is presented as a separate line item on Alcoa Corporation's

Statement of Consolidated Operations.

(4) Other includes costs related to Transformation, and certain other items that

impact Cost of goods sold on Alcoa Corporation's Statement of Consolidated

Operations that are not included in the operating costs of the segments (see

footnotes 2 and 5 in the Reconciliation of Total Segment Adjusted EBITDA to

Consolidated Net (Loss) Income Attributable to Alcoa Corporation below).




                                       41

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Reconciliation of Total Segment Adjusted EBITDA to Consolidated Net (Loss) Income Attributable to Alcoa Corporation





                                                   2019           2018      

2017


Net (loss) income attributable to Alcoa
Corporation:
Total segment Adjusted EBITDA(1)                $    1,626     $    3,250     $    2,739
Unallocated amounts:
Transformation(2)                                       (7 )           (3 )          (49 )
Intersegment eliminations(1),(3)                       150             (8 )          (80 )
Corporate expenses(4)                                 (101 )          (96 )         (131 )
Provision for depreciation, depletion, and
amortization                                          (713 )         (733 )         (750 )
Restructuring and other charges, net                (1,031 )         (527 )         (309 )
Interest expense                                      (121 )         (122 )         (104 )
Other expenses, net                                   (162 )          (64 )          (27 )
Other(5)                                               (79 )          (72 )          (89 )
Consolidated income (loss) before income
taxes                                                 (438 )        1,625   

1,200


Provision for income taxes                            (415 )         (732 )         (592 )
Net income attributable to noncontrolling
interest                                              (272 )         (643 )         (329 )
Consolidated net (loss) income attributable
to Alcoa
  Corporation                                   $   (1,125 )   $      250     $      279

(1) As of January 1, 2019, the Company changed its accounting method for valuing

certain inventories from LIFO to average cost. The effects of the change in

accounting principle have been retrospectively applied to all prior periods

presented. As a result, for the years ended December 31, 2018 and 2017, Total


    segment Adjusted EBITDA increased $47 and $14, respectively, and the
    Intersegment eliminations value above decreased $19 and increased $27,
    respectively.

(2) Transformation includes, among other items, the Adjusted EBITDA of previously

closed operations.

(3) Concurrent with the change in inventory accounting method as of January 1,

2019, management elected to change the presentation of certain line items in

the reconciliation of total Segment Adjusted EBITDA to Consolidated net

(loss) income attributable to Alcoa Corporation. Corporate inventory

accounting previously included the impact of LIFO, metal price lag, and

intersegment eliminations. The impact of LIFO has been eliminated with the

change in inventory method. Metal price lag attributable to the Company's

rolled operations business is now netted within the Aluminum segment to

simplify presentation of an impact that nets to zero in consolidation. Only

intersegment eliminations remain as a reconciling line item and are labeled

as such.

(4) Corporate expenses are composed of general administrative and other expenses

of operating the corporate headquarters and other global administrative

facilities, as well as research and development expenses of the corporate

technical center.

(5) Other includes certain items that impact Cost of goods sold and Selling,

general administrative, and other expenses on Alcoa Corporation's Statement


    of Consolidated Operations that are not included in the Adjusted EBITDA of
    the reportable segments.

Environmental Matters

See the Environmental Matters section of Note R to the Consolidated Financial Statements in Part II Item 8 of this Form 10-K.

Liquidity and Capital Resources

Alcoa Corporation's primary future cash flows are centered on operating
activities, particularly working capital, as well as sustaining and
return-seeking capital expenditures. Alcoa's ability to fund its cash needs
depends on the Company's ongoing ability to generate and raise cash in the
future. Although management believes that Alcoa's future cash from operations,
together with the Company's access to capital markets, will provide adequate
resources to fund operating and investing needs, the Company's access to, and
the availability of, financing on acceptable terms in the future will be
affected by many factors, including: (i) Alcoa Corporation's credit rating;
(ii) the liquidity of the overall capital markets; and (iii) the current state
of the economy and commodity markets. There can be no assurances that the
Company will continue to have access to capital markets on terms acceptable to
Alcoa Corporation.

Cash provided from operations and financing activities is expected to be adequate to cover Alcoa's operational and business needs over the next 12 months. For an analysis of long-term liquidity, see Contractual Obligations and Off-Balance Sheet Arrangements below.


                                       42

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At December 31, 2019, the Company's cash and cash equivalents were $879, of
which $755 was held outside the United States. Alcoa Corporation has a number of
commitments and obligations related to the Company's operations in various
foreign jurisdictions, resulting in the need for cash outside the United States.
Alcoa Corporation continuously evaluates its local and global cash needs for
future business operations, which may influence future repatriation decisions.

Cash from Operations



Cash provided from operations was $686 in 2019 compared with cash provided from
operations of $448 in 2018. Notable changes to the sources and (uses) of cash
for 2019 include:

$781 improvement in certain working capital accounts (receivables,

inventories, and accounts payable, trade);

$819 from lower pension contributions, including the absence of $725 in

unscheduled, discretionary payments made in 2018 which were primarily

funded with a combination of net proceeds from the May 2018 debt issuance

and cash on hand;

$108 related to lower current value-added tax receivables at foreign

locations;

$74 resulting from the non-recurrence of a payment made in 2018 related to

a legacy legal matter with the U.S. government assumed by the Company in

the Separation Transaction;

$62 resulting from the non-recurrence of a payment made in 2018 related to

the energy supply agreement for the Wenatchee (Washington) smelter;

$18 resulting from the non-recurrence of a payment made in 2018 for the

settlement of a legal matter in Italy; and,

• ($571) relating to changes in taxes, including income taxes. The use of

cash includes changes related to higher tax payments made in 2019 compared

with 2018, primarily payments of income taxes, and changes in the

underlying tax accounts.

Financing Activities



Cash used for financing activities was $444 in 2019 compared with cash used for
financing activities of $288 in 2018. The increased use of cash was primarily
attributed to the non-recurrence of cash sources of $560 due to the 2018
issuance of debt, $21 of lower proceeds from the exercise of employee stock
options, and $12 of financial contributions paid to PARTER as part of the Avilés
and La Coruña divestiture. These unfavorable changes were partially offset by
$257 lower net cash paid to Alumina Limited, $128 for lower payments on debt,
and $50 from the non-recurrence of common stock repurchases made in 2018.

Credit Facilities. Alcoa Corporation has access to various sources of liquidity
outside of cash generated through operations. Included in these sources is the
Second Amended Revolving Credit Facility (the Revolving Credit Facility) entered
into by Alcoa Corporation and Alcoa Nederland Holding B.V. (ANHBV), a revolving
credit facility entered into during October 2019 by Alcoa Norway ANS, and a
three-year revolving credit facility agreement, also entered into during October
2019, secured by certain customer receivables.

The Revolving Credit Facility provides a $1,500 senior secured revolving credit
facility to be used for working capital and/or other general corporate purposes
of Alcoa Corporation and its subsidiaries. The Revolving Credit Agreement
includes a number of covenants, including financial covenants, that require
maintenance of a specified interest expense coverage ratio and a leverage ratio.
The leverage ratio compares total indebtedness to a calculated earnings metric
as defined in the credit facility agreement to determine compliance with the
financial covenant. The calculation also determines the maximum indebtedness the
Company can have based on the defined earnings metric. Based on the leverage
ratio calculation as of December 31, 2019, the maximum additional borrowing
capacity available to the Company to remain in compliance with the covenant was
$1,200; the lower capacity primarily resulting from the impact of the
restructuring-related charges recorded in 2019 on the earnings metric
calculation. However, the Company still has the ability to access the full
$1,500 credit facility through a combination of the maximum additional borrowing
capacity and the issuances of letters of credit at December 31, 2019. The
Company believes that its cash on hand, future operating cash flows, and
borrowing capacity at December 31, 2019 is adequate to fund its operating and
investing needs. As of December 31, 2019 and 2018, Alcoa was in compliance with
all covenants.

The Revolving Credit Facility is scheduled to mature on November 21, 2023 unless
extended or earlier terminated in accordance with the provisions of the Second
Amended Revolving Credit Agreement. ANHBV may make extension requests during the
term of the Revolving Credit Facility, subject to the lender consent
requirements set forth in the Second Amended Revolving Credit Agreement.

                                       43

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On October 2, 2019, Alcoa Norway ANS, a wholly-owned subsidiary of Alcoa
Corporation, entered into a one-year, multicurrency revolving credit facility
agreement for NOK 1.3 billion (approximately $147) which is guaranteed on an
unsecured basis by Alcoa Corporation. This revolving credit facility is
scheduled to mature on October 2, 2020, unless extended or terminated early in
accordance with the provisions of the agreement.

On October 25, 2019, a wholly-owned subsidiary of the Company entered into a
$120 three-year revolving credit facility agreement secured by certain customer
receivables. Alcoa Corporation guarantees the performance obligations of the
wholly-owned subsidiaries under the facility, however no assets (other than the
receivables) are pledged as collateral.

As of December 31, 2019, Alcoa's combined additional borrowing capacity of
$1,200 can be drawn through any combination of Alcoa's credit facilities. No
amounts were borrowed relating to these facilities during 2019. See Note L to
the Consolidated Financial Statements in Part II Item 8 of this Form 10-K for
additional information related to these credit facilities.

Debt. As of December 31, 2019, Alcoa Corporation has three outstanding Notes
maturing at varying times. A summary of the Notes and other debt is shown below.
See Note L to the Consolidated Financial Statement in Part II Item 8 of this
Form 10-K for additional information related to the Company's debt.



December 31,                                          2019        2018
6.75% Notes, due 2024                                $   750     $   750
7.00% Notes, due 2026                                    500         500
6.125% Notes, due 2028                                   500         500
Other                                                     84          91

Unamortized discounts and deferred financing costs (34 ) (39 ) Total

                                                  1,800       1,802
Less: amount due within one year                           1           1

Long-term debt, less amount due within one year $ 1,799 $ 1,801






Ratings. Alcoa Corporation's cost of borrowing and ability to access the capital
markets are affected not only by market conditions but also by the short- and
long-term debt ratings assigned to Alcoa Corporation's debt by the major credit
rating agencies.

On May 1, 2019, Fitch Ratings (Fitch) reaffirmed a BB+ rating for Alcoa Corporation's long-term debt. Additionally, Fitch revised the current outlook to stable from positive.



Common Stock Repurchase Program. In October 2018, Alcoa Corporation's Board of
Directors authorized a common stock repurchase program with an aggregate
transactional value of $200, depending on cash availability, market conditions,
and other factors. This program does not have a predetermined expiration date.
Alcoa Corporation intends to retire the repurchased shares of common stock. In
December 2018, the Company repurchased 1,723,800 shares of its common stock for
$50; these shares were immediately retired. No amounts were repurchased during
2019.

Investing Activities

Cash used for investing activities was $468 in 2019 compared with $405 in 2018.
The increase in use of cash for 2019 was largely attributed to the cash
expenditures related to the divestiture of Alcoa's investment in Ma'aden Rolling
Company, partially offset by proceeds from the sale of excess land and lower
capital expenditures.

In 2020, Alcoa expects capital expenditures to be approximately $400 related to
sustaining capital projects and approximately $75 related to growth projects.
The timing and amount of capital expenditures may fluctuate as a result of the
Company's normal operations.

                                       44

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Contractual Obligations and Off-Balance Sheet Arrangements



Contractual Obligations. Alcoa Corporation is required to make future payments
under various contracts, including long-term purchase obligations and financing
arrangements. The Company also has commitments to fund its pension plans and
provide payments for other postretirement benefit plans. As of December 31,
2019, a summary of Alcoa Corporation's outstanding contractual obligations is as
follows:



                                        Total         2020        2021-2022       2023-2024       Thereafter
Operating activities:
Energy-related purchase obligations    $ 15,496     $  1,037     $     2,460     $     2,412     $      9,587
Raw material purchase obligations         5,620        1,016             918             627            3,059
Other purchase obligations                  744          223             197             114              210
Estimated minimum required pension
funding                                   1,205          295             510             400                -
Other postretirement benefit
payments                                    705          105             185             160              255
Interest related to total debt              763          118             235             233              177
Operating leases                            185           67              72              18               28
Layoff and other restructuring
payments                                    137          124              13               -                -
Deferred revenue arrangements                60            8              16              16               20
Uncertain tax positions                      43            -               -               -               43
Financing activities:
Total debt                                1,833            1              80             752            1,000
Investing activities:
Equity contributions                         16           11               5               -                -
Totals                                 $ 26,807     $  3,005     $     4,691     $     4,732     $     14,379

Obligations for Operating Activities



Energy-related purchase obligations consist primarily of electricity and natural
gas contracts with expiration dates ranging from 1 year to 28 years. Raw
material obligations consist mostly of bauxite (relates to AWAC's bauxite mine
interests in Guinea and Brazil), caustic soda, alumina, aluminum fluoride,
calcined petroleum coke, and cathode blocks with expiration dates ranging from
less than 1 year to 15 years. Other purchase obligations consist principally of
freight for bauxite and alumina with expiration dates ranging from 1 to 13
years. Many of these purchase obligations contain variable pricing components,
and, as a result, actual cash payments may differ from the estimates provided in
the preceding table. In accordance with the terms of several of these supply
contracts, obligations may be reduced as a result of an interruption to
operations, such as a plant curtailment or a force majeure event.

Interest related to total debt is based on interest rates in effect as of
December 31, 2019 and is calculated on debt with maturities that extend to 2028.
Some of the contractual interest rates for certain debt are variable; actual
cash payments may differ from the estimates provided in the preceding table.

Estimated minimum required pension funding and other postretirement benefit
payments are based on actuarial estimates using current assumptions for, among
others, discount rates, long-term rate of return on plan assets, rate of
compensation increases, and/or health care cost trend rates. Actual payments may
differ based on changes in assumptions. Other postretirement benefit payments
will be slightly offset by subsidy receipts related to Medicare Part D, which
are estimated to approximate $5 to $10 annually for years 2020 through 2029.
Alcoa Corporation has determined that it is not practicable to present pension
funding and other postretirement benefit payments beyond 2024 and 2029,
respectively.

Layoff and other restructuring payments expected to be paid within one year
relate to financial contributions that resulted from the share purchase
agreement with PARTER from the divestiture of two Spanish aluminum facilities,
take-or-pay provisions of supply contracts associated with curtailed facilities,
a contractual commitment to an Italian government agency related to the transfer
of the Portovesme smelter, severance costs, and the termination of an office
lease contract. Amounts scheduled to be paid beyond one year largely relate to
the previously mentioned financial contributions to PARTER.

Deferred revenue arrangements require Alcoa Corporation to deliver alumina to a
certain customer over the specified contract period (through 2027). While this
obligation is not expected to result in cash payments, it is included in the
preceding table as the Company would have such an obligation if the specified
product deliveries could not be made.

Uncertain tax positions taken or expected to be taken on an income tax return
may result in additional payments to tax authorities. The amount in the
preceding table includes interest and penalties accrued related to such
positions as of December 31, 2019. The total amount of uncertain tax positions
is included in the Thereafter column as the Company is not able to reasonably
estimate the timing of potential future payments. If a tax authority agrees with
the tax position taken or expected to be taken or the applicable statute of
limitations expires, then additional payments will not be necessary.

                                       45

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Obligations for Financing Activities

Total debt amounts in the preceding table represent the principal amounts of all outstanding long-term debt, which have maturities that extend to 2028.



In October 2018, Alcoa Corporation's Board of Directors authorized a common
stock repurchase program under which the Company may purchase shares of its
outstanding common stock up to an aggregate transactional value of $200,
depending on various factors. The program does not have a predetermined
expiration date. Accordingly, amounts have not been included in the preceding
table. In December 2018, the Company repurchased 1,723,800 shares of its common
stock for $50 at a weighted average share price of $29.01 (includes $0.02 broker
commission). No shares were repurchased in 2019.

Obligations for Investing Activities



Equity contributions are related to the joint venture, ElysisTM Limited
Partnership (ElysisTM). This joint venture requires Alcoa Corporation to invest
a total of $21 (C$28) through 2021. In 2018, the Company contributed $5 (C$6)
toward its initial investment commitment in ElysisTM.

Off-Balance Sheet Arrangements. Alcoa Corporation has outstanding bank
guarantees and letters of credit related to, among others, energy contracts,
environmental obligations, legal and tax matters, outstanding debt, leasing
obligations, workers compensation, and customs duties. Alcoa Corporation also
has outstanding surety bonds primarily related to tax matters, contract
performance, workers compensation, environmental-related matters, and customs
duties. See Note R to the Consolidated Financial Statements in Part II Item 8 of
this Form 10-K for additional information.

Critical Accounting Policies and Estimates



The preparation of the Company's Consolidated Financial Statements in accordance
with accounting principles generally accepted in the United States of America
requires management to make certain estimates based on judgments and assumptions
regarding uncertainties that affect the amounts reported in the Consolidated
Financial Statements and disclosed in the Notes to the Consolidated Financial
Statements. Areas that require such estimates include the review of properties,
plants, and equipment and goodwill for impairment, and accounting for each of
the following: asset retirement obligations; environmental and litigation
matters; pension plans and other postretirement benefits obligations;
derivatives and hedging activities; and income taxes.

Management uses historical experience and all available information to make
these estimates, and actual results may differ from those used to prepare the
Company's Consolidated Financial Statements at any given time. Despite these
inherent limitations, management believes that the amounts recorded in the
financial statements related to these items are based on the best estimates and
judgments using all relevant information available at the time.

A summary of the Company's significant accounting policies is included in Note B to the Consolidated Financial Statements in Part II Item 8 of this Form 10-K.



Properties, Plants, and Equipment. Properties, plants, and equipment are
reviewed for impairment whenever events or changes in circumstances indicate
that the carrying amount of such assets (asset group) may not be recoverable.
Recoverability of assets is determined by comparing the estimated undiscounted
net cash flows of the operations related to the assets (asset group) to their
carrying amount. An impairment loss would be recognized when the carrying amount
of the assets (asset group) exceeds the fair value. The amount of the impairment
loss to be recorded is calculated as the excess of the carrying value of the
assets (asset group) over their fair value, with fair value determined using the
best information available, which generally is a discounted cash flow (DCF)
model. The determination of what constitutes an asset group, the associated
estimated undiscounted net cash flows, and the estimated useful lives of assets
also require significant judgments.

Goodwill. Goodwill is not amortized; it is instead reviewed for impairment
annually (in the fourth quarter) or more frequently if indicators of impairment
exist or if a decision is made to sell or exit a business. Management will test
goodwill on a qualitative or quantitative basis. A significant amount of
judgment is involved in determining if an indicator of impairment has occurred.
Such indicators may include, among others, deterioration in general economic
conditions, negative developments in equity and credit markets, adverse changes
in the markets in which an entity operates, increases in input costs that have a
negative effect on earnings and cash flows, or a trend of negative or declining
cash flows over multiple periods. The fair value that could be realized in an
actual transaction may differ from that used to evaluate goodwill for
impairment.

In reviewing goodwill for impairment under the qualitative assessment, an entity
will consider if the existence of events or circumstances leads to a
determination that it is more likely than not (greater than 50%) that the
estimated fair value of a reporting unit is less than its carrying amount. If it
is determined that an impairment is more likely than not, the entity is then
required to perform a quantitative impairment test, otherwise no further
analysis is required.

                                       46

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Under the quantitative impairment test, the evaluation of impairment involves
comparing the current fair value of each reporting unit to its carrying value,
including goodwill. Management uses a DCF model to estimate the current fair
value of its reporting units. A number of significant assumptions and estimates
are involved in the application of the DCF model to forecast operating cash
flows, including markets and market share, sales volumes and prices, production
costs, tax rates, capital spending, discount rate, and working capital changes.

In the event the estimated fair value of a reporting unit per the DCF model is less than the carrying value, an impairment loss equal to the excess of the reporting unit's carrying value over its fair value not to exceed the total amount of goodwill applicable to that reporting unit would be recognized.



Management performed a quantitative assessment of the Alumina reporting unit in
2019. The estimated fair value of the Alumina reporting unit was substantially
in excess of its carrying value, resulting in no impairment. Management
performed a qualitative assessment of the Bauxite reporting unit in 2019 and
determined that it was not more likely that not that the fair value of the
reporting unit was less that its carrying value. Management last performed a
quantitative impairment test for the Bauxite reporting unit in 2018. At that
time, the estimated fair value of the Bauxite reporting unit was substantially
in excess of its carrying value, resulting in no impairment. Additionally, in
all prior years presented, there have been no triggering events that
necessitated an impairment test for either the Bauxite or Alumina reporting
units.

Asset Retirement Obligations. Alcoa Corporation recognizes asset retirement
obligations (AROs) related to legal obligations associated with the standard
operation of bauxite mines, alumina refineries, and aluminum smelters. These
AROs consist primarily of costs associated with mine reclamation, closure of
bauxite residue areas, spent pot lining disposal, and landfill closure. Alcoa
Corporation also recognizes AROs for any significant lease restoration
obligation, if required by a lease agreement, and for the disposal of regulated
waste materials related to the demolition of certain power facilities. The fair
values of these AROs are recorded on a discounted basis, at the time the
obligation is incurred, and accreted over time for the change in present value.
Additionally, Alcoa Corporation capitalizes asset retirement costs by increasing
the carrying amount of the related long-lived assets and depreciating these
assets over their remaining useful life.

Certain conditional asset retirement obligations (CAROs) related to alumina
refineries, aluminum smelters, rolling mills, and energy generation facilities
have not been recorded in the Consolidated Financial Statements due to
uncertainties surrounding the ultimate settlement date. A CARO is a legal
obligation to perform an asset retirement activity in which the timing and/or
method of settlement are conditional on a future event that may or may not be
within Alcoa Corporation's control. Such uncertainties exist as a result of the
perpetual nature of the structures, maintenance and upgrade programs, and other
factors. At the date a reasonable estimate of the ultimate settlement date can
be made (e.g., planned demolition), Alcoa Corporation would record an ARO. Such
amounts may be material to the Consolidated Financial Statements.

Environmental Matters. Expenditures for current operations are expensed or
capitalized, as appropriate. Expenditures relating to existing conditions caused
by past operations, which will not contribute to future revenues, are expensed.
Liabilities are recorded when remediation costs are probable and can be
reasonably estimated. The liability may include costs such as site
investigations, consultant fees, feasibility studies, outside contractors, and
monitoring expenses. Estimates are generally not discounted or reduced by
potential claims for recovery, which are recognized as agreements are reached
with third parties. The estimates also include costs related to other
potentially responsible parties to the extent that Alcoa Corporation has reason
to believe such parties will not fully pay their proportionate share. The
liability is continuously reviewed and adjusted to reflect current remediation
progress, prospective estimates of required activity, and other factors that may
be relevant, including changes in technology or regulations.

Litigation Matters. For asserted claims and assessments, liabilities are
recorded when an unfavorable outcome of a matter is deemed to be probable and
the loss is reasonably estimable. Management determines the likelihood of an
unfavorable outcome based on many factors such as, among others, the nature of
the matter, available defenses and case strategy, progress of the matter, views
and opinions of legal counsel and other advisors, applicability and success of
appeals processes, and the outcome of similar historical matters. Once an
unfavorable outcome is deemed probable, management weighs the probability of
estimated losses, and the most reasonable loss estimate is recorded. If an
unfavorable outcome of a matter is deemed to be reasonably possible, then the
matter is disclosed and no liability is recorded. With respect to unasserted
claims or assessments, management must first determine that the probability that
an assertion will be made is likely, then, a determination as to the likelihood
of an unfavorable outcome and the ability to reasonably estimate the potential
loss is made. Legal matters are reviewed on a continuous basis to determine if
there has been a change in management's judgment regarding the likelihood of an
unfavorable outcome or the estimate of a potential loss.

Pension and Other Postretirement Benefits. Liabilities and expenses for pension
and other postretirement benefits are determined using actuarial methodologies
and incorporate significant assumptions, including the interest rate used to
discount the future estimated liability, the expected long-term rate of return
on plan assets, and several assumptions relating to the employee workforce
(salary increases, health care cost trend rates, retirement age, and mortality).

                                       47

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The yield curve model used to develop the discount rate parallels the plans'
projected cash flows and has a weighted average duration of 11 years. The
underlying cash flows of the high quality corporate bonds included in the model
exceed the cash flows needed to satisfy the Company's plan obligations multiple
times. If a deep market of high quality corporate bonds does not exist in a
country, then the yield on government bonds plus a corporate bond yield spread
is used. The impact on the combined pension and other postretirement liabilities
of a change in the weighted average discount rate of ¼ of 1% would be
approximately $175 and either a charge or credit of approximately $1 to pretax
earnings in the following year.

The expected long-term rate of return on plan assets is generally applied to a
five-year market-related value of plan assets (a four-year average or the fair
value at the plan measurement date is used for certain non-U.S. plans). The
process used by management to develop this assumption is one that relies on
forward-looking investment returns by asset class. Management incorporates
expected future investment returns on current and planned asset allocations
using information from various external investment managers and consultants, as
well as management's own judgment. A change in the assumption for the weighted
average expected long-term rate of return on plan assets of ¼ of 1% would impact
pretax earnings by approximately $15 for 2020.

Mortality rate assumptions are based on mortality tables and future improvement scales published by third parties, such as the Society of Actuaries, and consider other available information including historical data as well as studies and publications from reputable sources.



Derivatives and Hedging. Derivatives are held for purposes other than trading
and are part of a formally documented risk management program. Alcoa accounts
for hedges of firm customer commitments for aluminum as fair value hedges. The
fair values of the derivatives and changes in the fair values of the underlying
hedged items are reported as assets and liabilities in the Consolidated Balance
Sheet. Changes in the fair values of these derivatives and underlying hedged
items generally offset and are recorded each period in Sales, consistent with
the underlying hedged item.

The Company accounts for hedges of foreign currency exposures and certain
forecasted transactions as cash flow hedges. The fair values of the derivatives
are recorded as assets and liabilities in the Consolidated Balance Sheet. The
changes in the fair values of these derivatives are recorded in Other
comprehensive (loss) income and are reclassified to Sales, Cost of goods sold,
or Other expenses, net in the period in which earnings are impacted by the
hedged items or in the period that the transaction no longer qualifies as a cash
flow hedge. These contracts cover the same periods as known or expected
exposures, generally not exceeding five years. If no hedging relationship is
designated, the derivative is marked to market through Other expenses, net. Cash
flows from derivatives are recognized in the Statement of Consolidated Cash
Flows in a manner consistent with the underlying transactions.

Income Taxes. The provision for income taxes is determined using the asset and
liability approach of accounting for income taxes. Under this approach, the
provision for income taxes represents income taxes paid or payable (or received
or receivable) for the current year plus the change in deferred taxes during the
year. Deferred taxes represent the future tax consequences expected to occur
when the reported amounts of assets and liabilities are recovered or paid and
result from differences between the financial and tax bases of assets and
liabilities and are adjusted for changes in tax rates and tax laws when enacted.

Valuation allowances are recorded to reduce deferred tax assets when it is more
likely than not (greater than 50%) that a tax benefit will not be realized. In
evaluating the need for a valuation allowance, management applies judgment in
assessing all available positive and negative evidence and considers all
potential sources of taxable income, including income available in carryback
periods, future reversals of taxable temporary differences, projections of
taxable income, and income from tax planning strategies. Positive evidence
includes factors such as a history of profitable operations, projections of
future profitability within the carryforward period, including from tax planning
strategies, and Alcoa Corporation's experience with similar operations. Existing
favorable contracts and the ability to sell products into established markets
are additional positive evidence. Negative evidence includes items such as
cumulative losses, projections of future losses, or carryforward periods that
are not long enough to allow for the utilization of a deferred tax asset based
on existing projections of income. In certain jurisdictions, deferred tax assets
related to cumulative losses exist without a valuation allowance where in
management's judgment the weight of the positive evidence more than offsets the
negative evidence of the cumulative losses. Upon changes in facts and
circumstances, management may conclude that deferred tax assets for which no
valuation allowance is currently recorded may not be realized, resulting in a
future charge to establish a valuation allowance. Existing valuation allowances
are re-examined under the same standards of positive and negative evidence. If
it is determined that it is more likely than not that a deferred tax asset will
be realized, the appropriate amount of the valuation allowance, if any, is
released. Deferred tax assets and liabilities are also re-measured to reflect
changes in underlying tax rates due to law changes and the granting and lapse of
tax holidays.

Tax benefits related to uncertain tax positions taken or expected to be taken on
a tax return are recorded when such benefits meet a more likely than not
threshold. Otherwise, these tax benefits are recorded when a tax position has
been effectively settled, which means that the statute of limitations has
expired, or the appropriate taxing authority has completed their examination
even though the statute of limitations remains open. Interest and penalties
related to uncertain tax positions are

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recognized as part of the provision for income taxes and are accrued beginning in the period that such interest and penalties would be applicable under relevant tax law until such time that the related tax benefits are recognized.

Related Party Transactions

Alcoa Corporation buys products from and sells products to various related companies, consisting of entities in which Alcoa Corporation retains a 50% or less equity interest, at negotiated prices between the two parties. These transactions were not material to the financial position or results of operations of Alcoa Corporation for all periods presented.

Recently Adopted Accounting Guidance

See the Recently Adopted Accounting Guidance section of Note B to the Consolidated Financial Statements in Part II Item 8 of this Form 10-K.

Recently Issued Accounting Guidance

See the Recently Issued Accounting Guidance section of Note B to the Consolidated Financial Statements in Part II Item 8 of this Form 10-K.

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