For discussion of 2018 results year-over-year comparison with 2017 results refer
to "Management's Discussion and Analysis of Financial Conditions and
Results of Operations" in our Annual Report on Form 10-K for the fiscal year
ended December 31, 2018.

Organization of Information

Management's Discussion and Analysis provides a historical and prospective narrative on the Company's financial condition and results of operations. This discussion includes the following sections:



?Overview

?Results of Operations

?Core Performance Measures

?Reportable Segments

?Liquidity and Capital Resources

?Environment

?Critical Accounting Estimates



?New Accounting Standards

?Forward-Looking Statements

OVERVIEW

Strategy and Capital Allocation Framework and recently introduced Strategy & Growth Framework



On June 14, 2019, Corning introduced its 2020-2023 Strategy & Growth Framework.
From 2020 to 2023, the company plans to invest $10 billion to $12 billion for
growth and to return $8 billion to $10 billion to shareholders.

In October 2015, Corning announced a strategy and capital allocation framework
(the "Framework") that reflects the Company's financial and operational
strengths, as well as its ongoing commitment to increasing shareholder value.
The Framework outlined our leadership priorities and articulated the
opportunities we saw across our businesses.  We designed the Framework to create
significant value for shareholders by focusing our portfolio and leveraging our
financial strength.  Under the Framework, we targeted generating $26 billion to
$30 billion of cash through 2019, returning more than $12.5 billion to
shareholders and investing $10 billion to extend our leadership positions and
deliver growth.  As of June 30, 2019, Corning met its goal of returning more
than $12.5 billion to shareholders. As of December 31, 2019, Corning had
invested almost $11 billion for growth and extended leadership.

Corning's Frameworks outline the company's leadership priorities.  With the
completed Strategy and Capital Allocation Framework and new Strategy & Growth
Framework, Corning plans to focus its portfolio and utilize its financial
strength.  Our probability of success increases as we invest in our world-class
capabilities.  Corning is concentrating approximately 80% of its research,
development and engineering investment along with capital spending on a cohesive
set of three core technologies, four manufacturing and engineering platforms,
and five market-access platforms.  This strategy allows us to quickly apply our
talents and repurpose our assets across the company, as needed, to capture
high-return opportunities.


?

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2019 Results

Net sales in the year ended December 31, 2019 were $11.5 billion, an increase of
$213 million, or 2%, when compared to the year ended December 31, 2018, driven
by increased sales in the Specialty Materials, Environmental Technologies and
Life Sciences segments offset by decreased sales in the Display Technologies and
Optical Communications segments.

For the year ended December 31, 2019, we generated net income of $960 million,
or $1.07 per share, compared to a net income of $1,066 million, or $1.13 per
share, for 2018. When compared to 2018, the $106 million decrease in net income
was primarily due to the following items (amounts presented after tax):

?Lower equity earnings in affiliated companies of $284 million when compared to
the prior period, primarily driven by asset impairments and an inventory
provision, partially offset by the deferred revenue recognition associated with
adoption of the new revenue standard, as well as one-time settlement gains from
revenue contracts;

?Higher costs of $238 million, primarily driven by accelerated depreciation and asset write-offs for our Display Technologies and Optical Communications segments; and

?Lower segment net income of $83 million primarily driven by lower sales in our Display Technologies and Optical Communications segments.

Partially offsetting these events were the following items:

?Translated earnings contract gains in the current period were $287 million higher than prior year losses;

?Costs related to litigation, regulatory and other legal matters were $109 million lower, primarily driven by the absence of a $103 million charge related to legal matters recorded in 2018, including a ruling in an intellectual property lawsuit and developments in civil litigation;

?A positive impact of $44 million resulting from a lower mark-to-market loss for our defined benefit pension plans; and



?The positive impact of $42 million in tax adjustments primarily relating to the
absence of a $172 million IRS audit settlement, or approximately $40 million of
taxes payable after the utilization of tax attributes, recorded in the first
quarter of 2018, netted against changes in tax reserves, changes in foreign
valuation allowances and changes in the estimate of 2018 tax expense due to new
tax reform guidance.

Diluted earnings per share decreased by $0.06 per share, or 5%, when compared to
2018, driven by the decrease in net income described above, partially offset by
the repurchase of 31.0 million shares of common stock over the last twelve
months.

The translation impact of fluctuations in foreign currency exchange rates,
including the impact of hedges realized in the current year, negatively impacted
Corning's net income by approximately $44 million in the year ended December 31,
2019, when compared to the same period in 2018.

2020 Corporate Outlook



We believe 2020 will be another year of growth in several segments and continued
investment in innovations, consistent with our Strategy & Growth Framework.
Corning expects its display glass volume to grow by a mid-single digit
percentage, similar to the mid-single digit percentage growth expected in the
display glass market. The company expects glass price declines to remain
moderate, down a mid-single digit percentage for the full year. The company
expects Optical Communications full-year sales to decline by 5% to 10%. We
expect mid-single digit percentage sales growth in our Environmental
Technologies and Life Sciences segments. We expect high-single digit percentage
sales growth in the Specialty Materials segment.

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We have been closely monitoring the outbreak of the coronavirus that originated
in Wuhan, China. We have operations in Wuhan and other areas of China. We have
taken steps to protect our employees and operations.  The coronavirus may impact
the global economy, our ability, as well as the ability of our customers and
suppliers, to manufacture products and may reduce demand in our markets which
could result in an impact to our financial results. We are taking steps to
mitigate potential financial impacts, including supplying customers from other
regions when appropriate.  Currently, it is not possible for us to determine the
financial impact of the coronavirus, if any. Our 2020 corporate outlook,
outlined above, does not include any potential impact for the coronavirus.

RESULTS OF OPERATIONS

Selected highlights from our operations follow (in millions):



                                                                              % change
                                        2019       2018       2017      19 vs. 18   18 vs. 17

Net sales                             $ 11,503   $ 11,290   $  10,116       2          12

Gross margin                          $  4,035   $  4,461   $   4,020     (10)         11
(gross margin %)                           35%        40%         40%

Selling, general and administrative
expenses                              $  1,585   $  1,799   $   1,473     (12)         22
(as a % of net sales)                      14%        16%         15%

Research, development and engineering
expenses                              $  1,031   $    993   $     864       4          15
(as a % of net sales)                       9%         9%          9%

Equity in earnings of affiliated
companies                             $     17   $    390   $     361     (96)          8
(as a % of net sales)                                  3%          4%

Translated earnings contract gain
(loss), net                           $    248   $   (93)   $   (121)       *          23
(as a % of net sales)                       2%       (1)%        (1)%

Income before income taxes            $  1,216   $  1,503   $   1,657     (19)         (9)
(as a % of net sales)                      11%        13%         16%

Provision for income taxes            $  (256)   $  (437)   $ (2,154)      41          80
(as a % of net sales)                     (2)%       (4)%       (21)%

Net income (loss) attributable to
Corning Incorporated                  $    960   $  1,066   $   (497)     (10)          *
(as a % of net sales)                       8%         9%        (5)%


*  Percent change not meaningful.


?

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Segment Net Sales

The following table presents segment net sales by reportable segment (in
millions):

                                                                             %           %
                                        Years ended December 31,          change      change
                                     2019          2018        2017      19 vs. 18   18 vs. 17
Display Technologies              $    3,254     $   3,276   $   3,137     (1)%         4%
Optical Communications                 4,064         4,192       3,545     (3)%         18%
Specialty Materials                    1,594         1,479       1,403      8%          5%
Environmental Technologies             1,499         1,289       1,106      16%         17%
Life Sciences                          1,015           946         879      7%          8%
All Other                                230           216         188      6%          15%
Net sales of reportable segments
and All Other                     $   11,656     $  11,398   $  10,258      2%          11%
Constant-currency adjustment           (153)         (108)       (142)     (42)%        24%
Consolidated net sales            $   11,503     $  11,290   $  10,116      2%          12%

For the year ended December 31, 2019, segment net sales increased by $258 million, or 2%, when compared to the same period in 2018. The primary sales drivers by segment were as follows:



?Net sales in the Display Technologies segment decreased by $22 million, with
glass volume up a mid-single digit percentage and low-single digit percentage
display glass price declines; the combination of finished goods volume,
unfinished glass sold to our equity affiliates and a low-single-digit percentage
price decline resulted in a one percent sales decline;

?Optical Communications net sales decreased $128 million, primarily due to lower
sales in carrier products, down $199 million, partially offset by an increase of
$71 million in enterprise network sales;

?Specialty Materials segment net sales increased by $115 million, primarily driven by strong demand for Gorilla® Glass;

?Net sales for Environmental Technologies increased $210 million, primarily driven by sales growth of gasoline particulate filters; and

?Life Sciences net sales increased by $69 million, as sales volume continued to outpace market growth.



Movements in foreign exchange rates negatively impacted Corning's consolidated
net sales by $45 million in the year ended December 31, 2019, when compared to
the same period in 2018.

In 2019, sales in international markets accounted for 68% of total net sales.

Cost of Sales



The types of expenses included in the cost of sales line item are: raw materials
consumption, including direct and indirect materials; salaries, wages and
benefits; depreciation and amortization; production utilities;
production-related purchasing; warehousing (including receiving and inspection);
repairs and maintenance; inter-location inventory transfer costs; production and
warehousing facility property insurance; rent for production facilities; and
other production overhead.

Gross Margin

In the year ended December 31, 2019, gross margin dollars decreased by
$426 million, or 10%, and gross margin as a percentage of net sales declined by
5% when compared to the same period last year.  Negative impacts to gross margin
were primarily driven by accelerated depreciation, asset write-offs and lower
sales in our Display Technologies and Optical Communications segments during
2019. As volume declined in the second half of 2019, factory utilization was
less efficient and negatively impacted gross margin.

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Movements in foreign exchange rates had a $33 million positive impact on Corning's consolidated gross margin in the year ended December 31, 2019, when compared to the same period in 2018.

Selling, General and Administrative Expenses



When compared to the year ended December 31, 2018, selling, general and
administrative expenses decreased by $214 million, or 12%, in the year ended
December 31, 2019. Selling, general and administrative expenses decreased by 2%
as a percentage of sales. The decrease was primarily driven by the following
items:

?The absence of a $132 million charge related to legal matters in 2018, including a ruling in an intellectual property lawsuit and developments in civil litigation matters; and

?Reduced variable compensation expenses of $85 million.

Research, Development and Engineering Expenses



For the year ended December 31, 2019, research, development and engineering
expenses increased by $38 million, or 4%, when compared to the same period in
prior year, driven by higher costs associated with new product launches and our
emerging businesses. As a percentage of sales, these expenses were consistent
when compared to the same period in the previous year.

Equity in Earnings of Affiliated Companies

The following provides a summary of equity earnings (losses) of affiliated companies (in millions):



                                  Years ended December 31,
                               2019                 2018   2017
Hemlock Semiconductor Group $        27             $ 388  $ 352
All other                          (10)                 2      9
Total equity earnings       $        17             $ 390  $ 361


In 2016, Corning realigned its ownership interest in Dow Corning, exchanging its
50% interest in the joint venture between Corning and Dow Chemical for a newly
formed company that holds a 49.9% interest in Hemlock Semiconductor LLC and a
40.25% interest in Hemlock Semiconductor Operations LLC which are recorded as
equity method investments of Corning and are affiliated companies of HSG. HSG
manufactures polysilicon products for the semiconductor and solar industries.
HSG's solar business primarily serves the solar power panel industry.

In prior years, HSG's solar and semiconductor customers entered into long-term
"take or pay" contracts which included up-front cash payments to secure
capacity. During the last few years, and more significantly in 2019, the solar
power panel industry experienced significant over-capacity in the market,
resulting in declining sales volumes and market prices. As a result, HSG's solar
business experienced lower market penetration, overall price declines, and
settled contracts with customers that had committed volume and fixed pricing
above the current market price. While these settlements positively impacted
HSG's cash flow in 2019, they reduced expectations for future sales in HSG's
solar business.

Due to the adverse change in HSG's solar business, HSG was required to assess
the recoverability of its long-lived assets in the fourth quarter. Based on this
assessment, HSG determined that the carrying values of HSG's solar asset group
significantly exceeded its fair values. HSG engaged a third-party appraiser to
assist in determining the fair value of the assets within in the solar asset
group based on the highest and best use of the asset group.  As a result of the
fair value determination, HSG recognized a pre-tax asset impairment charge of
$916 million for the year ended December 31, 2019.  Corning's share of the
pre-tax impairment was $369 million.

Due to the adverse changes above, the carrying values of HSG's solar business inventories were also affected resulting in an inventory write-down of $257 million for the year. Corning's pre-tax share of the provision was $105 million.



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HSG adopted the new revenue standard on January 1, 2019 and the timing of HSG's
revenue recognition for certain remaining performance obligations measured at
January 1, 2019 was deferred for recognition. This deferral reduced the carrying
amount of Corning's investment in HSG by $239 million. During the fourth
quarter, a significant number of the performance obligations were satisfied and
$434 million was recognized into HSG's net income. Corning's share of the equity
earnings was $208 million.

In addition, HSG settled certain revenue contracts in the fourth quarter, resulting in settlement gains of $383 million in net income. Corning's share of the settlement gains was $185 million.

Additional information about corporate investments is presented in Note 6 (Investments) to the consolidated financial statements.

Translated earnings contracts



Included in the line item translated earnings contract gain (loss), net, is the
impact of foreign currency hedges which hedge our translation exposure arising
from movements in the Japanese yen, South Korean won, new Taiwan dollar, euro,
Chinese yuan and British pound and its impact on our net income (loss).

The following table provides detailed information on the impact of our
translated earnings contracts gains and losses for the years ended December 31,
2019, 2018 and 2017:

                                                    Net          Loss
                                Income (loss)     ?income       before                  Income
(in millions)                    ?before tax       (loss)        tax     

Net loss before tax Net Income


                                           2019                       2018                 2019 vs. 2018
Hedges related to translated
earnings:
Realized gain, net             $            18   $       14   $     97   $       78   $     (79)   $      (64)
Unrealized gain (loss)                     230          179      (190)        (189)          420           368
Total translated earnings
contract gain (loss), net      $           248   $      193   $   (93)   $    (111)   $      341   $       304

                                           2018                       2017                 2018 vs. 2017
Hedges related to translated
earnings:
Realized gain, net             $            97   $       78   $    270   $      169   $    (173)   $      (91)
Unrealized loss                          (190)        (189)      (391)        (247)          201            58
Total translated earnings
contract loss, net             $          (93)   $    (111)   $  (121)   $     (78)   $       28   $      (33)


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The gross notional value outstanding on our translated earnings contracts and foreign currency cash flow hedges were as follows (in billions):



                                                          Years ended 

December 31,


                                                   2019                  2018         2017
Japanese yen-denominated translated earnings
contracts                                       $      10.2           $     11.6   $     13.0
South Korean won-denominated translated
earnings contracts                                      0.4                  0.1          0.8
Euro-denominated translated earnings contracts          1.3                  1.2          0.3
Other translated earnings contracts                     0.3                  0.7          0.2
Total gross notional value outstanding for
translated earnings contracts                          12.2                 

13.6 14.3



Japanese yen-denominated foreign currency cash
flow hedges                                             1.5
Other foreign currency cash flow hedges                 0.6                  0.4          0.3
Total gross notional value for foreign currency
cash flow hedges                                        2.1                 

0.4 0.3



Total gross notional value outstanding          $      14.3           $     14.0   $     14.6


Income Before Income Taxes

The translation impact of fluctuations in foreign currency exchange rates, including the impact of hedges realized in the current year, negatively impacted Corning's income before income taxes by $39 million in the year ended December 31, 2019, when compared to the same period in 2018.

Provision for Income Taxes

Our provision for income taxes and the related effective income tax rates were as follows (dollars in millions):



                               Years ended December 31,
                             2019          2018      2017

Provision for income taxes $ (256) $ (437) $ (2,154) Effective tax rate

             21.1%        29.1%     130.0%


For the year ended December 31, 2019, the effective income tax rate differed from the U.S. statutory rate of 21% primarily due to the following:

?Additional net provision of $102 million from changes to our tax reserves;

?A net benefit of $45 million due to releases of foreign valuation allowances on foreign deferred tax assets that are now considered realizable; and



?Additional net benefit, including a change in estimate from prior year, from
the 2017 Tax Act attributable to foreign intangible income (FDII) deduction of
$103 million offset by taxes for global intangible low-taxed income (GILTI) of
$15 million.

For the year ended December 31, 2018, the effective income tax rate differed from the U.S. statutory rate of 21% primarily due to the following:

?Additional taxes of $55 million related primarily to the global intangible low-taxed income ("GILTI") provisions of the 2017 Tax Act; and

?Incremental tax expense of $172 million related to a preliminary agreement with the IRS for the income tax audit of years 2013 and 2014.


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These items were partially offset by the following:

?A benefit of $35 million related to the finalization of the one-time toll charge recorded in 2017; and

?An $82 million benefit from the release of a valuation allowance on deferred tax assets that are now considered realizable.



Generally, Corning will indefinitely reinvest the foreign earnings of: (1) any
of its subsidiaries located in jurisdictions where Corning lacks the ability to
repatriate its earnings, (2) any of its subsidiaries where Corning's intention
is to reinvest those earnings in operations, (3) legal entities for which
Corning holds a non-controlling interest, (4) any subsidiaries with an
accumulated deficit in earnings and profits, (5) any subsidiaries which have a
positive earnings and profits balance but for which the entity lacks sufficient
local statutory earnings or stock basis from which to make a distribution, and
(6) future distribution would trigger a significant federal income inclusion to
the U.S. shareholder.

During 2019, the Company distributed approximately $424 million from foreign
subsidiaries to their respective U.S. parent companies.  As of December 31,
2019, Corning has approximately $2.5 billion of indefinitely reinvested foreign
earnings.  It remains impracticable to calculate the tax cost of repatriating
our unremitted earnings which are considered indefinitely reinvested.

Refer to Note 5 (Income Taxes) to the consolidated financial statements for further details regarding income tax matters.

Net Income (Loss) Attributable to Corning Incorporated

As a result of the items discussed above, net income (loss) and per share data was as follows (in millions, except per share amounts):



                                                         Years ended December 31,
                                                   2019               2018         2017

Net income (loss) attributable to Corning
Incorporated                                    $       960        $    1,066   $    (497)
Net income (loss) attributable to Corning
Incorporated used in
? basic earnings per common share
calculation (Note 17)                           $       862        $      968   $    (595)
Net income (loss) attributable to Corning
Incorporated used in
? diluted earnings (loss) per common share
calculation (Note 17)                           $       960        $    1,066   $    (595)
Basic earnings (loss) per common share          $      1.11        $     1.19   $   (0.66)
Diluted earnings (loss) per common share        $      1.07        $     1.13   $   (0.66)

Weighted-average common shares outstanding -
basic                                                   776               816          895
Weighted-average common shares outstanding -
diluted                                                 899               941          895


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Comprehensive Income

                                                         Years ended December 31,
(In millions)                                      2019               2018         2017

Net income (loss) attributable to Corning
Incorporated                                    $       960        $    

1,066 $ (497)



Foreign currency translation adjustments and
other                                                 (143)             (185)          746
Net unrealized gains (losses) on investments              1               (1)           14
Unamortized (losses) gains and prior service
(costs) credits for
 postretirement benefit plans                          (64)                19           30
Net unrealized gains (losses) on designated
hedges                                                   45               (1)           44
Other comprehensive (loss) income, net of tax
(Note 16)                                             (161)             

(168) 834



Comprehensive income attributable to Corning
Incorporated                                    $       799        $      898   $      337


2019 vs. 2018

For the year ended December 31, 2019, comprehensive income decreased by $99 million, when compared to the same period in 2018, primarily due to the following:

?A decrease in net income of $106 million; and



?An $83 million increase in unamortized actuarial losses for post-retirement
benefit plans, $53 million of which was related to the adoption of the new
standard for reclassification of stranded tax effects in AOCI with the remainder
of the impact driven by decreases in the discount rates used to value our
post-retirement obligations.

These losses were partially offset by the following:

?A decrease in the loss on foreign currency translation adjustments in the amount of $42 million, most significantly impacted by the Chinese yuan, South Korean won and Japanese yen; and

?The impact of a change to net unrealized gains on designated hedges of $46 million.

Refer to Note 12 (Employee Retirement Plans) and Note 16 (Shareholders' Equity) to the consolidated financial statements for additional details.


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CORE PERFORMANCE MEASURES

In managing the Company and assessing our financial performance, we adjust
certain measures provided by our consolidated financial statements to exclude
specific items to report core performance measures. These items include gains
and losses on our translated earnings contracts, acquisition-related costs,
certain discrete tax items and other tax-related adjustments, restructuring,
impairment, and other charges or credits, certain litigation-related expenses,
pension mark-to-market adjustments and other items which do not reflect on-going
operating results of the Company or our equity affiliates. Corning utilizes
constant-currency reporting for our Display Technologies and Specialty Materials
segments for the Japanese yen, South Korean won, Chinese yuan and new Taiwan
dollar currencies. Effective January 1, 2019, Corning also began using
constant-currency reporting for our Environmental Technologies and Life Sciences
segments for the euro, Japanese yen and Chinese yuan. The Company believes that
the use of constant-currency reporting allows investors to understand our
results without the volatility of currency fluctuations and reflects the
underlying economics of the translated earnings contracts used to mitigate the
impact of changes in currency exchange rates on our earnings and cash flows.
Corning also believes that reporting core performance measures provides
investors greater transparency to the information used by our management team to
make financial and operational decisions.

Core performance measures are not prepared in accordance with Generally Accepted
Accounting Principles in the United States ("GAAP"). We believe investors should
consider these non-GAAP measures in evaluating our results as they are more
indicative of our core operating performance and how management evaluates our
operational results and trends. These measures are not, and should not be viewed
as a substitute for, GAAP reporting measures. With respect to the Company's
outlook for future periods, it is not possible to provide reconciliations for
these non-GAAP measures because the Company does not forecast the movement of
foreign currencies against the U.S. dollar, or other items that do not reflect
ongoing operations, nor does it forecast items that have not yet occurred or are
out of the Company's control. As a result, the Company is unable to provide
outlook information on a GAAP basis.

Effective July 1, 2019, we replaced the term "Core Earnings" with "Core Net Income". The terms are interchangeable and the underlying calculations remain the same.

For a reconciliation of non-GAAP performance measures to their most directly comparable GAAP financial measure, please see "Reconciliation of Non-GAAP Measures".

RESULTS OF OPERATIONS - CORE PERFORMANCE MEASURES



Selected highlights from our continuing operations, excluding certain items,
follow (in millions):

                                           Years ended December 31,              % change
                                         2019          2018       2017     19 vs. 18   18 vs. 17

Core net sales                        $   11,656     $ 11,398   $ 10,258      2%          11%
Core equity in earnings of affiliated
companies                             $      237     $    241   $    211     (2)%         14%
Core net income                       $    1,578     $  1,673   $  1,634     (6)%         2%


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Core Net Sales

Core net sales are consistent with net sales by reportable segment. The
following table presents segment net sales by reportable segment (in millions):

                               Years ended December 31,             % change
                              2019          2018      2017    19 vs. 18  18 vs. 17
Display Technologies       $    3,254     $  3,276  $  3,137    (1)%        4%
Optical Communications          4,064        4,192     3,545    (3)%        18%
Specialty Materials             1,594        1,479     1,403     8%         5%
Environmental Technologies      1,499        1,289     1,106     16%        17%
Life Sciences                   1,015          946       879     7%         8%
All Other                         230          216       188     6%         15%
Total segment net sales *  $   11,656     $ 11,398  $ 10,258     2%         11%

* Segment net sales and variances are discussed in detail in the Reportable Segments section of our MD&A.

Core Equity in Earnings of Affiliated Companies



The following provides a summary of core equity in earnings of affiliated
companies (in millions):

                                 Years ended December 31,              % change
                              2019                 2018   2017   19 vs. 18  18 vs. 17

Hemlock Semiconductor Group $     229              $ 236  $ 201    (3)%     

17%


All other                           8                  5     10     60%     

(50)%


Total core equity earnings  $     237              $ 241  $ 211    (2)%        14%


Core Net Income

2019 vs. 2018

In the year ended December 31, 2019, we generated core net income of $1,578
million or $1.76 per share, compared to core net income generated in the year
ended December 31, 2018 of $1,673 million, or $1.78 per share. The decrease in
core net income of $95 million was driven by the following items:

?A decrease in the Optical Communications segment of $103 million primarily driven by decreases in volume;



?A decrease in the Display Technologies segment of $49 million primarily driven
by decreases in volume and glass shipments during the second half of 2019,
resulting in lower factory utilization and negatively impacting profitability;
and

?A decrease of $11 million in the Specialty Materials segment, largely driven by
the absence of customer support for new product development costs for the launch
of new product innovations in 2019.

Partially offsetting these decreases in core net income were the following:

?An increase in the Environmental Technologies segment of $55 million resulting from earnings growth driven by increased sales of gas particulate filters; and

?An increase of $33 million in the Life Sciences segment resulting from higher volumes outpacing the underlying market.



Core earnings per share decreased in the year ended December 31, 2019 to $1.76
per share, driven by the decrease in core net income and partially offset by the
repurchase of 31.0 million shares of common stock over the last twelve months.

Included in core net income for the years ended December 31, 2019, 2018 and 2017, is net periodic pension expense in the amount of $84 million, $52 million and $49 million, which excludes the annual pension mark-to-market adjustments.



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Refer to Note 12 (Employee Retirement Plans) to the consolidated financial statements for additional information.

Core Earnings per Common Share

The following table sets forth the computation of core basic and core diluted earnings per common share (in millions, except per share amounts):



                                                            2019     2018   

2017

Core net income attributable to Corning Incorporated $ 1,578 $ 1,673

$ 1,634
Less: Series A convertible preferred stock dividend             98       98 

98

Core net income available to common stockholders - basic 1,480 1,575

1,536


Add: Series A convertible preferred stock dividend              98       98 

98

Core net income available to common stockholders - diluted $ 1,578 $ 1,673

$ 1,634



Weighted-average common shares outstanding - basic             776      816 

895


Effect of dilutive securities:
Stock options and other dilutive securities                      8       10 

11


Series A convertible preferred stock                           115      115 

115


Weighted-average common shares outstanding - diluted           899      941 

1,021


Core basic earnings per common share                       $  1.91  $  1.93  $  1.72
Core diluted earnings per common share                     $  1.76  $  1.78

$ 1.60

Reconciliation of Non-GAAP Measures



We utilize certain financial measures and key performance indicators that are
not calculated in accordance with GAAP to assess our financial and operating
performance. A non-GAAP financial measure is defined as a numerical measure of a
company's financial performance that (i) excludes amounts, or is subject to
adjustments that have the effect of excluding amounts, that are included in the
comparable measure calculated and presented in accordance with GAAP in the
consolidated statements of income (loss) or statement of cash flows, or
(ii) includes amounts, or is subject to adjustments that have the effect of
including amounts, that are excluded from the comparable measure as calculated
and presented in accordance with GAAP in the consolidated statements of income
(loss) or statement of cash flows.

Core net sales, core equity in earnings of affiliated companies and core net
income are non-GAAP financial measures utilized by our management to analyze
financial performance without the impact of items that are driven by general
economic conditions and events that do not reflect the underlying fundamentals
and trends in the Company's operations.

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The following tables reconcile our non-GAAP financial measures to their most directly comparable GAAP financial measure (amounts in millions except percentages and per share amounts):



                                                          Year ended December 31, 2019
                                                             Income
                                                            ?before               Effective
                                     Net        Equity      ?income      Net        ?tax       ?Earnings per
                                    ?Sales     ?earnings     ?taxes    ?income    ?rate (a)       ?share
As reported                        $ 11,503   $        17   $  1,216   $    960     21.1%     $          1.07
Constant-currency adjustment (1)        153             1        115        115                          0.13
Translation loss on Japanese
? yen-denominated debt (2)                                         3          2                          0.00
Translated earnings contract gain,
net (3)                                                        (245)      (190)                        (0.21)
Acquisition-related costs (4)                                    130         99                          0.11
Discrete tax items and other
tax-related
? adjustments (5)                                                            37                          0.04
Litigation, regulatory and other
legal matters (6)                                               (17)       (13)                        (0.01)
Restructuring, impairment and
other charges (7)                                       6        439        334                          0.37
Equity in losses of affiliated
companies (8)                                         213        213        165                          0.18
Pension mark-to-market
adjustment (10)                                                   95         69                          0.08
Core performance measures          $ 11,656   $       237   $  1,949   $  1,578     19.0%     $          1.76

(a)Based upon statutory tax rates in the specific jurisdiction for each event.

See "Items Excluded from GAAP Measures" below for the descriptions of the footnoted reconciling items.




?

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                                                       Year ended December 31, 2018
                                                             Income
                                                            ?before               Effective   Earnings
                                     Net        Equity      ?income      Net        ?tax        ?per
                                    ?sales     ?earnings     ?taxes    ?income    ?rate (a)    ?share
As reported                        $ 11,290   $       390   $  1,503   $  1,066     29.1%     $    1.13
Constant-currency adjustment (1)        108             2        156        127                    0.13
Translation loss on Japanese
? yen-denominated debt (2)                                        18         15                    0.02
Translated earnings contract loss,
net (3)                                                           73         97                    0.10
Acquisition-related costs (4)                                    132        103                    0.11
Discrete tax items and other
tax-related
? adjustments (5)                                                            79                    0.08
Litigation, regulatory and other
legal matters (6)                                                124         96                    0.10
Restructuring, impairment and
other charges (7)                                                130         96                    0.10
Equity in earnings of affiliated
companies (8)                                       (151)      (151)      (119)                  (0.13)
Pension mark-to-market
adjustment (10)                                                  145        113                    0.12
Core performance measures          $ 11,398   $       241   $  2,130   $  1,673     21.5%     $    1.78


                                                          Year ended December 31, 2017
                                                             Income                                  (Loss)
                                                            ?before                   Effective    ? earnings
                                     Net        Equity      ?income     Net 

(loss) ?tax ?per


                                    ?sales     ?earnings     ?taxes      ?income      ?rate (a)      ?share
As reported                        $ 10,116   $       361   $  1,657   $      (497)    130.0%     $     (0.66)
Constant-currency adjustment (1)        142             2        168            138                       0.15
Translation gain on Japanese
? yen-denominated debt (2)                                      (14)            (9)                     (0.01)
Translated earnings contract loss,
net (3)                                                          125             78                       0.09
Acquisition-related costs (4)                                     84             59                       0.07
Discrete tax items and other
tax-related
? adjustments (5)                                                               127                       0.14
Litigation, regulatory and other
legal matters (6)                                               (12)            (9)                     (0.01)
Restructuring, impairment and
other charges (7)                                                 72             62                       0.07
Equity in earnings of affiliated
companies (8)                                       (152)      (152)           (97)                     (0.11)
Adjustments related to
acquisitions (9)                                                  10             13                       0.01
Pension mark-to-market
adjustment (10)                                                   22             14                       0.02
Adjustments resulting from the
2017 Tax Act (11)                                                             1,755                       1.96
Core performance measures          $ 10,258   $       211   $  1,960   $      1,634     16.6%     $       1.60

(a)Based upon statutory tax rates in the specific jurisdiction for each event.

See "Items Excluded from GAAP Measures" below for the descriptions of the footnoted reconciling items.




?

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Items which we exclude from GAAP measures to arrive at core performance measures are as follows:

(1) Constant-currency adjustment: Because a significant portion of segment revenues and

expenses are denominated in currencies other than the U.S. dollar, management believes it

is important to understand the impact on core net income of translating these currencies

into U.S. dollars. Our Display Technologies segment sales and net income are primarily

denominated in Japanese yen, but also impacted by the South Korean won, Chinese yuan, and

new Taiwan dollar. Beginning January 1, 2019, as our Environmental Technologies and Life

Science segments sales and net income are impacted by the euro, Chinese yuan and Japanese

yen, these segments will also be presented on a constant-currency basis. We have not

recast the prior periods for these two segments as the impact of fluctuations in these

currencies are not material for prior periods. Presenting results on a constant-currency

basis mitigates the translation impact and allows management to evaluate performance

period over period, analyze underlying trends in our businesses, and establish

operational goals and forecasts. We establish constant-currency rates based on

internally derived management estimates which are closely aligned with the currencies we

have hedged.

Constant-currency rates are as follows:


     Currency      Japanese yen     Korean won     Chinese yuan    New Taiwan dollar     Euro
       Rate            ¥107           ?1,175           ¥6.7              NT$31           €.81

(2) Translation (gain) loss on Japanese yen-denominated debt: We have excluded the gain or

loss on the translation of our yen-denominated debt to U.S. dollars. (3) Translated earnings contract (gain) loss: We have excluded the impact of the realized and

unrealized gains and losses of our Japanese yen, South Korean won, Chinese yuan and new

Taiwan dollar-denominated foreign currency hedges related to translated earnings, as well

as the unrealized gains and losses of our euro and British pound-denominated foreign

currency hedges related to translated earnings. (4) Acquisition-related costs: These expenses include intangible amortization, inventory

valuation adjustments and external acquisition-related deal costs. (5) Discrete tax items and other tax-related adjustments: For 2019, these include discrete

period tax items such as changes in tax law, the impact of tax audits, changes in

judgement about the realizability of certain deferred tax assets and other tax-related

adjustments. For 2018, this amount primarily relates to the preliminary IRS audit

settlement offset by changes in judgment about the realizability of certain deferred tax

assets. For 2017, this amount represents the removal of discrete adjustments (e.g.,

changes in tax law, other than those of the 2017 Tax Act which are set forth separately,

and changes in judgment about the realizability of certain deferred tax assets) as well

as other non-operational tax-related adjustments. (6) Litigation, regulatory and other legal matters: Includes amounts that reflect

developments in commercial litigation, intellectual property disputes, adjustments to our

estimated liability for environmental-related items and other legal matters. (7) Restructuring, impairment and other charges or credits: This amount includes

restructuring, impairment and other charges or credits, as well as other expenses,

primarily accelerated depreciation and asset write-offs, which are not related to

continuing operations and are not classified as restructuring expense. (8) Equity in (earnings) losses of affiliated companies: These adjustments relate to costs

not related to continuing operations of our affiliated companies, such as restructuring,

impairment and other charges and settlements, or modifications, under "take-or-pay"

contracts.

(9) Adjustments related to acquisitions: Includes fair value adjustments to the Corning

Precision Materials ("CPM") indemnity asset related to contingent consideration,

post-combination expenses and other acquisition and disposal adjustments. (10) Pension mark-to-market adjustment: Defined benefit pension mark-to-market gains and

losses, which arise from changes in actuarial assumptions and the difference between

actual and expected returns on plan assets and discount rates. (11) Adjustments resulting from the 2017 Tax Act: Includes a provisional amount related to the

one-time mandatory tax on unrepatriated foreign earnings, a provisional amount related to

the remeasurement of U.S. deferred tax assets and liabilities, changes in valuation

allowances resulting from the 2017 Tax Act, and adjustments for the elimination of excess


     foreign tax credit planning.



?

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REPORTABLE SEGMENTS

Our reportable segments are as follows:

?Display Technologies - manufactures glass substrates for flat panel liquid crystal displays and other high-performance display panels.

?Optical Communications - manufactures carrier network and enterprise network components for the telecommunications industry.



?Specialty Materials - manufactures products that provide more than 150 material
formulations for glass, glass ceramics and fluoride crystals to meet demand for
unique customer needs.

?Environmental Technologies - manufactures ceramic substrates and filters for automotive and diesel applications.

?Life Sciences - manufactures glass and plastic labware, equipment, media, serum and reagents enabling workflow solutions for drug discovery and bioproduction.



All other segments that do not meet the quantitative threshold for separate
reporting have been grouped as "All Other." This group is primarily comprised of
the results of pharmaceutical technologies, auto glass, new product lines and
development projects, as well as certain corporate investments.

We prepared the financial results for our reportable segments on a basis
consistent with our internal disaggregation of financial information to assist
in making internal operating decisions. We use a segment tax rate of 21% when
presenting segment information. The impact of changes in the Japanese yen, euro,
South Korean won, Chinese yuan and new Taiwan dollar are excluded from segment
sales and segment net income for the Display Technologies, Specialty Materials,
Environmental Technologies and Life Science segments. Certain corporate income
and expenses are included in the unallocated amounts in the reconciliation of
reportable segment net income to consolidated net income. These include items
that are not used by our CODM in evaluating the results of, or in allocating
resources to, our segments and include the following items: the impact of our
translated earnings contracts; acquisition-related costs; discrete tax items and
other tax-related adjustments; certain litigation, regulatory and other legal
matters; restructuring, impairment and other charges or credits; adjustments
relating to acquisitions; and other non-recurring non-operational items.
Although we exclude these amounts from segment results, they are included in
reported consolidated results.

We included the earnings of equity affiliates that are closely associated with
our reportable segments in the respective segment's net income. We have
allocated certain common expenses among reportable segments differently than we
would for stand-alone financial information. Segment net income may not be
consistent with measures used by other companies.

Display Technologies



The following table provides net sales and net income for the Display
Technologies segment:

                         Years ended December 31,        % change    % change
                       2019            2018      2017    19 vs. 18   18 vs. 17

Segment net sales   $    3,254        $ 3,276  $ 3,137     (1%)         4%
Segment net income  $      786        $   835  $   888     (6%)        (6%)


2019 vs. 2018

Net sales in the Display Technologies segment decreased by $22 million, or 1%,
for the year ended December 31, 2019, when compared to the prior year.
Corning's glass volume increased by a mid-single digit percentage, higher than
the overall market, driven by increased Gen 10.5 output during the year.  The
combination of finished goods volume, unfinished glass sold to our equity
affiliates and a low-single-digit percentage price decline resulted in a one
percent sales decline.

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Net income in the Display Technologies segment decreased by $49 million in the
year ended December 31, 2019, driven by the decrease in sales outlined above.
Display Technologies shipped more glass in the first half of 2019 than in the
latter half. Due to lower glass volumes in the second half of 2019, factory
utilization declined impacting profitability.

Outlook:



For full-year 2020, Corning expects its display glass volume to grow by a
mid-single digit percentage, similar to the mid-single digit percentage growth
expected in the display glass market. The company expects display glass price
declines to remain moderate, down a mid-single percentage for the full year.

Optical Communications

The following table provides net sales and net income for the Optical Communications segment:



                         Years ended December 31,        % change    % change
                       2019            2018      2017    19 vs. 18   18 vs. 17

Segment net sales   $    4,064        $ 4,192  $ 3,545     (3%)         18%
Segment net income  $      489        $   592  $   469     (17%)        26%


2019 vs. 2018

Net sales declined by $128 million, or 3%, in the year ended December 31, 2019,
when compared to the same period in 2018, primarily due to lower sales in
carrier products, down $199 million, partially offset by an increase of $71
million in enterprise network sales. Sales were lower than expected due to
weakness in the optical market, highlighted by capital spending reductions at
two of our significant customers in the latter half of 2019.

Net income in the year ended December 31, 2019 decreased by $103 million, or
17%. Lower sales volumes in the latter half of 2019 drove less efficient factory
utilization negatively impacting profitability.

Movements in foreign currency exchange rates did not materially impact net income in this segment in the year ended December 31, 2019 when compared to the same period in 2018.



Outlook:

Full-year 2020 Optical Communications sales are expected to decrease by five to ten percent on a year-over-year basis.

Specialty Materials



The following table provides net sales and net income for the Specialty
Materials segment:

                         Years ended December 31,        % change    % change
                       2019            2018      2017    19 vs. 18   18 vs. 17

Segment net sales   $    1,594        $ 1,479  $ 1,403      8%          5%
Segment net income  $      302        $   313  $   301     (4%)         4%


2019 vs. 2018

Net sales in the Specialty Materials segment increased by $115 million, or 8%,
in the year ended December 31, 2019, when compared to the same period in 2019,
primarily driven by strong demand for Gorilla® Glass.

Net income in the year ended December 31, 2019 decreased by $11 million, or 4%,
when compared to the same period in 2018. The decrease was primarily related to
the absence of customer support for new product development costs for the launch
of new product innovations in 2019.

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Outlook:

The company expects high-single digit percentage growth for the Specialty Materials segment on a year-over-year basis for full-year 2020.

Environmental Technologies



The following table provides net sales and net income for the Environmental
Technologies segment:

                         Years ended December 31,        % change    % change
                       2019            2018      2017    19 vs. 18   18 vs. 17

Segment net sales   $    1,499        $ 1,289  $ 1,106      16%         17%
Segment net income  $      263        $   208  $   165      26%         26%


2019 vs. 2018

Net sales increased $210 million, or 16% in the year ended December 31, 2019, primarily driven sales growth of gasoline particulate filters.



Net income in the year ended December 31, 2019 increased by $55 million, or 26%,
driven by the sales increase outlined above and strong operational performance
and successful ramping of additional gasoline particulate filter capacity in
China.

Outlook:

We expect mid-single digit sales growth on a year-over-year basis in our Environmental Technologies segment for full-year 2020.

Life Sciences



The following table provides net sales and net income for the Life Sciences
segment:

                         Years ended December 31,         % change    % change
                       2019               2018     2017   19 vs. 18   18 vs. 17

Segment net sales   $     1,015           $ 946  $  879      7%          8%
Segment net income  $       150           $ 117  $   95      28%         23%


2019 vs. 2018

Net sales in the Life Sciences segment increased by $69 million, or 7%, in the
year ended December 31, 2019, when compared to the same period in 2018, driven
by strong performance across all product categories and sales that continued to
outpace market growth.

Net income increased by $33 million, or 28%, in the year ended December 31, 2019, driven by the reasons outlined above and improved manufacturing efficiencies.

Outlook:

For full-year 2020, sales are expected to grow by a mid-single-digit percentage on a year-over-year basis.



All Other

All other segments that do not meet the quantitative threshold for separate
reporting have been grouped as "All Other." This group is primarily comprised of
the results of the pharmaceutical technologies business, auto glass, new product
lines and development projects, as well as certain corporate investments.

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The following table provides net sales and net loss for All Other (in millions):

                        Years ended December 31,        % change    % change
                      2019            2018      2017    19 vs. 18   18 vs. 17

Segment net sales  $      230        $   216  $   188      6%          15%
Segment net loss   $    (289)        $ (281)  $ (259)     (3%)        (8%)


2019 vs. 2018

Net sales of this segment increased by $14 million, or 6%, in the year ended
December 31, 2019, respectively, when compared to the same period in 2018,
driven by an increase in sales in our emerging businesses. The increase in the
net loss of $8 million, a decline of 3%, reflects increased spending on our
development projects when compared to 2018.



LIQUIDITY AND CAPITAL RESOURCES

Financing and Capital Structure

The following items discuss Corning's financing and changes in capital structure during 2019 and 2018:



2019

In the third quarter of 2019, Corning issued two Japanese yen-denominated debt securities (the "Notes"), as follows:

?¥31.3 billion 1.153% senior unsecured notes with a maturity of 12 years; and

?¥5.9 billion 1.513% senior unsecured notes with a maturity of 20 years.



The proceeds from the Notes were received in Japanese yen and converted to U.S.
dollars on the date of issuance. The net proceeds received in U.S. dollars,
after deducting offering expenses, were approximately $349 million and will be
used for general corporate purposes. Payments of principal and interest on the
Notes will be in Japanese yen, or should yen be unavailable due to circumstances
beyond Corning's control, a U.S. dollar equivalent.

In the fourth quarter of 2019, Corning issued two U.S. dollar-denominated debt securities (the "Notes"), as follows:

?$400 million 3.90% senior unsecured notes with a maturity of 30 years; and

?$1.1 billion 5.45% senior unsecured notes with a maturity of 60 years.



The net proceeds, after deducting offering expenses, were approximately $1.5
billion and will be used for general corporate purposes. We can redeem these
notes at any time, subject to certain terms and conditions.

In the fourth quarter of 2019, Corning redeemed $300 million of 4.25% notes due
in 2020, paying a premium of $4.7 million by exercising our make-whole call. The
bond redemption resulted in an $8.4 million loss during the same quarter.

Common Stock Dividends



On February 6, 2018, Corning's Board of Directors declared a 16.1% increase in
the Company's quarterly common stock dividend, which increased the quarterly
dividend from $0.155 to $0.18 per share of common stock, beginning with the
dividend to be paid in the first quarter of 2018.

On February 6, 2019, Corning's Board of Directors declared an 11.1% increase in
the Company's quarterly common stock dividend, which increased the quarterly
dividend from $0.18 to $0.20 per share of common stock, beginning with the
dividend paid in the first quarter of 2019.

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On February 5, 2020, Corning's Board of Directors declared an 10.0% increase in
the Company's quarterly common stock dividend, which increased the quarterly
dividend from $0.20 to $0.22 per share of common stock, beginning with the
dividend paid in the first quarter of 2020. This increase marks the ninth
dividend increase since October 2011.

Fixed Rate Cumulative Convertible Preferred Stock, Series A



Corning has 2,300 outstanding shares of Fixed Rate Cumulative Convertible
Preferred Stock, Series A. The preferred stock is convertible at the option of
the holder and the Company upon certain events, at a conversion rate of 50,000
shares of Corning's common stock per one share of preferred stock, subject to
certain anti-dilution provisions. As of December 31, 2019, the preferred stock
has not been converted, and none of the anti-dilution provisions have been
triggered.

Customer Deposits



As of December 31, 2019 and 2018, Corning had customer deposits of approximately
$1.0 billion. The majority of these represent non-refundable cash deposits for
customers to secure rights to an amount of glass produced by Corning under
long-term supply agreements. The duration of these long-term supply agreements
ranges up to ten years. As glass is shipped to customers, Corning will recognize
revenue and issue credit memoranda to reduce the amount of the customer deposit
liability, which are applied against customer receivables resulting from the
sale of glass. Credit memoranda of $37 million were issued in 2019; no such
memoranda were issued in 2018.

Capital Spending



Capital spending totaled $1,978 million in 2019, a decrease of $264 million when
compared to 2018, primarily driven by lower spending in the Optical
Communications and Display Technologies segments. We expect our 2020 capital
expenditures to be approximately $1.5 billion.

Cash Flows

Summary of cash flow data (in millions):



                                             Years ended December 31,
                                            2019       2018       2017

Net cash provided by operating activities $ 2,031 $ 2,919 $ 2,004 Net cash used in investing activities $ (1,891) $ (2,887) $ (1,710) Net cash used in financing activities $ (47) $ (1,995) $ (1,624)

2019 vs. 2018



Net cash provided by operating activities decreased by $888 million in the year
ended December 31, 2019, when compared to the same period last year, primarily
driven by a decrease in customer deposits received of $558 million and net
unfavorable movements in working capital of $352 million.

In the year ended December 31, 2019, net cash used in investing activities
decreased by $996 million, primarily driven by lower acquisition and capital
expenditures of $842 million and $264 million, respectively, partially offset by
the absence of cash received of $196 million for a contingent consideration
asset, when compared to the prior year.

Net cash used in financing activities decreased by $1,948 million in the year
ended December 31, 2019, when compared to the same period last year. The primary
drivers were lower share repurchases, down $1,287 million, lower debt
repayments, down $329 million and increased borrowing, up $346 million.

Defined Benefit Pension Plans

We have defined benefit pension plans covering certain domestic and international employees. Our largest single pension plan is Corning's U.S. qualified plan. At December 31, 2019, this plan accounted for 76% of our consolidated defined benefit pension plans' projected benefit obligation and 86% of the related plans' assets.


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In 2019, we made no voluntary contributions to our domestic defined benefit
pension plan and cash contributions of $2 million to our international pension
plans. During 2020, we anticipate making cash contributions of $85 million to
our U.S. qualified pension plan and $54 million to our international pension
plans.

Refer to Note 12 (Employee Retirement Plans) to the consolidated financial statements for additional information.

Key Balance Sheet Data



Balance sheet and working capital measures are provided in the following table
(in millions):

                                               December 31,
                                              2019     2018

Working capital                              $ 3,942  $ 3,723
Current ratio                                  2.1:1    2.1:1
Trade accounts receivable, net of allowances $ 1,836  $ 1,940
Days sales outstanding                            59       58
Inventories                                  $ 2,320  $ 2,037
Inventory turns                                  3.3      3.6
Days payable outstanding (1)                      48       55
Long-term debt                               $ 7,729  $ 5,994
Total debt to total capital                      37%      30%

(1)Includes trade payables only.

Management Assessment of Liquidity



We ended the fourth quarter of 2019 with approximately $2.4 billion of cash and
cash equivalents. Our cash and cash equivalents are held in various locations
throughout the world and are generally unrestricted. We utilize a variety of
strategies to ensure that our worldwide cash is available in the locations in
which it is needed. At December 31, 2019, approximately 51% of the consolidated
amount was held outside of the United States.

To manage interest rate exposure, the Company, from time to time, enters into
interest rate swap agreements. As of December 31, 2019, there are no interest
rate swaps outstanding.

Our Revolving Credit Agreement provides a committed $1.5 billion unsecured multi-currency line of credit and expires August 15, 2023. At December 31, 2019, there were no outstanding amounts under the Revolving Credit Agreement.



Corning also has a commercial paper program pursuant to which we may issue
short-term, unsecured commercial paper notes up to a maximum aggregate principal
amount outstanding at any one time of $1.5 billion. Under this program, the
Company may issue the paper from time to time and will use the proceeds for
general corporate purposes. The Company's Revolving Credit Agreement is
available to support obligations under the commercial paper program, if needed.
At December 31, 2019, Corning did not have outstanding commercial paper.

Share Repurchases

During 2018, Corning repurchased 74.8 million shares for approximately $2.2 billion through open market repurchases under the 2016 and 2018 Repurchase Programs.



During the year ended December 31, 2019, the Company repurchased 31.0 million
shares of common stock on the open market for approximately $0.9 billion as part
of its 2018 and 2019 Repurchase Programs.

Refer to Note 16 (Shareholders' Equity) to the consolidated financial statements for additional information.


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Other

We complete comprehensive reviews of our significant customers and their
creditworthiness by analyzing their financial strength at least annually or more
frequently for customers where we have identified a measure of increased risk.
We closely monitor payments and developments which may signal possible customer
credit issues. From time to time, we factor accounts receivable. During 2019,
Corning participated in customer-initiated payment programs which resulted in
accelerated collections of $143 million in accounts receivable. We currently
have not identified any potential material impact on our liquidity resulting
from customer credit issues.

Our major source of funding for 2020 and beyond will be our operating cash flow,
our existing balances of cash and cash equivalents and proceeds from any
issuances of debt. We believe we have sufficient liquidity to fund operations,
acquisitions, capital expenditures, scheduled debt repayments, dividend payments
and share repurchase programs.

Our Revolving Credit Agreement includes affirmative and negative covenants with
which we must comply, including a leverage (debt to capital ratio) financial
covenant. The required leverage ratio is a maximum of 60%. At December 31, 2019,
our leverage using this measure was approximately 37%. As of December 31, 2019,
we were in compliance with this financial covenant.

Our debt instruments contain customary event of default provisions, which allow
the lenders the option of accelerating all obligations upon the occurrence of
certain events. In addition, some of our debt instruments contain a cross
default provision, whereby an uncured default exceeding a specified amount on
one debt obligation of the Company, also would be considered a default under the
terms of another debt instrument. As of December 31, 2019, we were in compliance
with all such provisions.

Management is not aware of any known trends or any known demands, commitments,
events or uncertainties that will result in or that are reasonably likely to
result in a material decrease in our liquidity. In addition, other than items
discussed, there are no known material trends, favorable or unfavorable, in our
capital resources and no expected material changes in the mix and relative cost
of such resources.

Translated Earnings Contracts

Corning has hedged a significant portion of its projected yen exposure for the
period 2019 through 2023, with average rate forwards and options. In the years
ended December 31, 2019 and 2018, we recorded pre-tax net gains of $201 million
and pre-tax net losses of $96 million, respectively, related to changes in the
fair value of these instruments. Included in these amounts are realized losses
of $7 million and realized gains of $64 million, respectively. The gross
notional value outstanding for these instruments which hedge our exposure to the
Japanese yen at December 31, 2019 and 2018, was $10.2 billion and $11.6 billion,
respectively.

We have entered into average rate forwards to hedge our translation exposure
resulting from movements in the South Korean won and its impact on our net
income. In the years ended December 31, 2019 and 2018, we recorded a pre-tax net
gain of $6 million and a pre-tax net loss of $26 million, respectively, related
to changes in the fair value of these instruments. Included in these amounts is
a realized loss of $1 million and a realized gain of $46 million, respectively.
These instruments had a gross notional value outstanding at December 31, 2019
and 2018, of $0.4 and $0.1 billion, respectively.

We have entered into a portfolio of average rate forwards to hedge against our
euro translation exposure. In the years ended December 31, 2019 and 2018, we
recorded pre-tax gains of $37 million and $43 million, respectively. Included in
these amounts are realized gains of $29 million and realized losses of $14
million, respectively. At December 31, 2019 and 2018, the euro-denominated
average rate instruments had a gross notional amount of $1.3 billion and $1.2
billion, respectively.

These derivative instruments are not designated as accounting hedges, and changes in fair value are recorded in earnings in the translated earnings contract gain (loss), net line of the consolidated statements of income (loss).



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Off Balance Sheet Arrangements

Off balance sheet arrangements are transactions, agreements, or other contractual arrangements with an unconsolidated entity for which Corning has an obligation to the entity that is not recorded in our consolidated financial statements.



Corning's off balance sheet arrangements include guarantee and indemnity
contracts. At the time a guarantee is issued, the Company is required to
recognize a liability for the fair value or market value of the obligation it
assumes. In the normal course of our business, we do not routinely provide
significant third-party guarantees. Generally, third-party guarantees provided
by Corning are limited to certain financial guarantees, including stand-by
letters of credit and performance bonds, and the incurrence of contingent
liabilities in the form of purchase price adjustments related to attainment of
milestones. These guarantees have various terms, and none of these guarantees
are individually significant.

Refer to Note 13 (Commitments, Contingencies and Guarantees) to the consolidated financial statements for additional information.



For variable interest entities, we assess the terms of our interest in each
entity to determine if we are the primary beneficiary. The primary beneficiary
of a variable interest entity is the party that absorbs a majority of the
entity's expected losses, receives a majority of its expected residual returns,
or both, as a result of holding variable interests, which are the ownership,
contractual, or other pecuniary interests in an entity that change with changes
in the fair value of the entity's net assets excluding variable interests.

Corning has identified ten entities that qualify as a variable interest entity
and are not consolidated. These entities are not considered to be significant to
Corning's consolidated financial statements.

Corning does not have retained interests in assets transferred to an unconsolidated entity that serve as credit, liquidity or market risk support to that entity.



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Contractual Obligations

The amounts of our obligations follow (in millions):

Amount of commitment and contingency expiration per period


                                                          Less than                                         1 to 3        3 to 5       5 years and
                                            Total          ?1 year                                          ?years        ?years       ?thereafter
Performance bonds and guarantees          $      163   $             30                                   $         4   $         1   $         128
Stand-by letters of credit (1)                    43                 31                                             8             3               1
Subtotal of commitment expirations
? per period                              $      206   $             61                                   $        12   $         4   $         129

Purchase obligations (2)                  $      554   $            190                                   $       199   $        75   $          90
Capital expenditure obligations (3)              592                592
Total debt (4)                                 7,195                                                              437           588           6,170
Finance leases and financing obligations         600                 11                                            30           160             399
Interest on long-term debt (5)                 8,948                298                                           583           543           7,524
Imputed interest on finance leases and
? financing obligations                          296                 27                                            53            43             173
Operating Lease Obligations                      755                 98                                           153           116             388
Uncertain tax positions (6)                       58
Subtotal of contractual obligation
? payments due by period (6)              $   18,998   $          1,216                                   $     1,455   $     1,525   $      14,744

Total commitments and contingencies (6) $ 19,204 $ 1,277

$     1,467   $     1,529   $      14,873

(1)At December 31, 2019, we had stand-by letters of credit commitments of $82 million; $39 million was included in other accrued liabilities on our consolidated balance sheets.

(2)Purchase obligations are enforceable and legally binding obligations which primarily consist of raw material and energy-related take-or-pay contracts.

(3)Capital expenditure obligations primarily reflect amounts associated with our capital expansion activities.

(4)Total debt above is stated at maturity value and excludes interest rate swap gains or losses and bond discounts.



(5)The estimate of interest payments assumes interest is paid through the date
of maturity or expiration of the related debt, based upon stated rates in the
respective debt instruments.

(6)At December 31, 2019, $58 million was included on our consolidated balance sheets related to uncertain tax positions.

We believe a significant majority of these guarantees and contingent liabilities will expire without being funded.

ENVIRONMENT

Refer to Item 3. Legal Proceedings or Note 13 (Commitments, Contingencies and Guarantees) to the consolidated financial statements for information.

CRITICAL ACCOUNTING ESTIMATES



The preparation of financial statements requires us to make estimates and
assumptions that affect amounts reported therein. The estimates that required us
to make difficult, subjective or complex judgments, including future projections
of performance and relevant discount rates, are set forth below.

Impairment of assets held for use



We are required to assess the recoverability of the carrying value of long-lived
assets when an indicator of impairment has been identified. We review our
long-lived assets in each quarter to assess whether impairment indicators are
present. We must exercise judgment in assessing whether an event of impairment
has occurred.

Manufacturing equipment includes certain components of production equipment that
are constructed of precious metals, primarily platinum and rhodium. These metals
are not depreciated because they have very low physical losses and are
repeatedly reclaimed and reused in our manufacturing process over a very long
useful life. Precious metals are reviewed for impairment as part of our
assessment of long-lived assets. This review considers all the Company's
precious metals that are either in place in the production process; in
reclamation, fabrication, or refinement in anticipation of re-use; or awaiting
use to support increased capacity. Precious metals are only acquired to support
our operations and are not held for trading or other non-manufacturing related
purposes.

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Examples of events or circumstances that may be indicative of impairments include, but are not limited to:

?A significant decrease in the market price of an asset;

?A significant change in the extent or manner in which a long-lived asset is being used or in its physical condition;



?A significant adverse change in legal factors or in the business climate that
could affect the value of the asset, including an adverse action or assessment
by a regulator;

?An accumulation of costs significantly in excess of the amount originally expected for the acquisition or construction of an asset;

?A current-period operating or cash flow loss combined with a history of operating or cash flow losses or a projection or forecast that demonstrates continuing losses associated with the use of an asset; and

?A current expectation that, more likely than not, an asset will be sold or otherwise disposed of significantly before the end of its previously estimated useful life.



For purposes of recognition and measurement of an impairment loss, a long-lived
asset or assets is grouped with other assets and liabilities at the lowest level
for which identifiable cash flows are largely independent of the cash flows of
other assets and liabilities. We must exercise judgment in assessing the lowest
level for which identifiable cash flows are largely independent of the cash
flows of other assets and liabilities. Our assessment is performed at the
reportable segment level. For the majority of our reportable segments, we
concluded that locations or businesses within these segments which share
production along the supply chain must be combined to appropriately identify
cash flows that are largely independent of the cash flows of other assets and
liabilities.

For long-lived assets, when impairment indicators are present, we compare
estimated undiscounted future cash flows, including the eventual disposition of
the asset group at market value, to the assets' carrying value to determine if
the asset group is recoverable. This assessment requires the exercise of
judgment in assessing the future use of and projected value to be derived from
the assets to be held and used. Assessments also consider changes in asset
utilization, including the temporary idling of capacity and the expected timing
for placing this capacity back into production.

For an asset group that fails the test of recoverability, the estimated fair
value of long-lived assets is determined using an "income approach" that starts
with the forecast of all the expected future net cash flows including the
eventual disposition at market value of long-lived assets, and considers the
fair market value of all precious metals, if applicable. We assess the
recoverability of the carrying value of long-lived assets at the lowest level
for which identifiable cash flows are largely independent of the cash flows of
other assets and liabilities. If there is an impairment, a loss is recorded to
reflect the difference between the assets' fair value and carrying value. Our
estimates are based upon our historical experience, our commercial
relationships, and available external information about future trends. We
believe fair value assessments are most sensitive to market growth and the
corresponding impact on volume and selling prices and that these are also more
subjective than manufacturing cost and other assumptions. The Company believes
its current assumptions and estimates are reasonable and appropriate.

At December 31, 2019 and 2018, the carrying value of precious metals was lower
than the fair market value by $849 million and higher than the fair market value
by $719 million, respectively. The majority of these precious metals are
utilized by the Display Technologies and Specialty Materials segments. Corning
believes these precious metal assets to be recoverable due to the significant
positive cash flow in both segments. The potential for impairment exists in the
future if negative events significantly decrease the cash flow of these
segments. Such events include, but are not limited to, a significant decrease in
demand for products or a significant decrease in profitability in our Display
Technologies or Specialty Materials segments.

Income taxes



We are required to exercise judgment about our future results in assessing the
realizability of our deferred tax assets. Inherent in this estimation process is
the requirement for us to estimate future book and taxable income and possible
tax planning strategies. These estimates require us to exercise judgment about
our future results, the prudence and feasibility of possible tax planning
strategies, and the economic environments in which we do business. It is
possible that actual results will differ from assumptions and require
adjustments to allowances.

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Corning accounts for uncertain tax positions in accordance with ASC Topic 740,
Income Taxes, which requires that companies only record tax benefits for
technical positions that are believed to have a greater than 50% likelihood of
being sustained on their technical merits and then only to the extent of the
amount of tax benefit that is greater than 50% likely of being realized upon
settlement. In estimating these amounts, we must exercise judgment around
factors such as the weighting of the tax law in our favor, the willingness of a
tax authority to aggressively pursue a particular position, or alternatively,
consider a negotiated compromise, and our willingness to dispute a tax
authorities' assertion to the level of appeal we believe is required to sustain
our position. As a result, it is possible that our estimate of the benefits we
will realize for uncertain tax positions may change when we become aware of new
information affecting these judgments and estimates.

Fair value measures



As required, Corning uses two kinds of inputs to determine the fair value of
assets and liabilities: observable and unobservable. Observable inputs are based
on market data or independent sources, while unobservable inputs are based on
the Company's own market assumptions. Once inputs have been characterized, we
prioritize the inputs used to measure fair value into one of three broad levels.
Characterization of fair value inputs is required for those accounting
pronouncements that prescribe or permit fair value measurement. In addition,
observable market data must be used when available and the highest-and-best-use
measure should be applied to non-financial assets. Corning's major categories of
financial assets and liabilities required to be measured at fair value are
short-term and long-term investments, certain pension asset investments and
derivatives. These categories use observable inputs only and are measured using
a market approach based on quoted prices in markets considered active or in
markets in which there are few transactions.

Derivative assets and liabilities may include interest rate swaps and forward
exchange contracts that are measured using observable quoted prices for similar
assets and liabilities.  Included in our forward exchange contracts are foreign
currency hedges that hedge our cash flow and translation exposure resulting from
movements in the Japanese yen, South Korean won, euro, new Taiwan dollar,
Chinese yuan and British pound.  Changes in the fair value of contracts
designated as cash flow hedges are recorded in accumulated other comprehensive
income in shareholders' equity and reclassified into income when the underlying
hedged item impacts earnings.  For contracts that are not designated as
accounting hedges, changes in fair value are recorded in earnings in the
translated earnings contract gain (loss), net line of the consolidated
statements of income (loss).  In arriving at the fair value of Corning's
derivative assets and liabilities, we have considered the appropriate valuation
and risk criteria, including such factors as credit risk of the relevant party
to the transaction.  Amounts related to credit risk are not material.

Refer to Note 15 (Fair Value Measurements) to the consolidated financial statements for additional information.

Probability of litigation outcomes



We are required to make judgments about future events that are inherently
uncertain. In making determinations of likely outcomes of litigation matters, we
consider the evaluation of legal counsel knowledgeable about each matter, case
law, and other case-specific issues. See Part II - Item 3. Legal Proceedings for
a discussion of Corning's material litigation matters.

Other possible liabilities

We are required to make judgments about future events that are inherently uncertain. In making determinations of likely outcomes of certain matters, including certain tax planning and environmental matters, these judgments require us to consider events and actions that are outside our control in determining whether probable or possible liabilities require accrual or disclosure. It is possible that actual results will differ from assumptions and require adjustments to accruals.


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Pension and other postretirement employee benefits (OPEB)



Corning offers employee retirement plans consisting of defined benefit pension
plans covering certain domestic and international employees and postretirement
plans that provide health care and life insurance benefits for eligible retirees
and dependents. The costs and obligations related to these benefits reflect the
Company's assumptions related to general economic conditions (particularly
interest rates), expected return on plan assets, rate of compensation increase
for employees and health care trend rates. The cost of providing plan benefits
depends on demographic assumptions including retirements, mortality, turnover
and plan participation. While management believes that the assumptions used are
appropriate, differences in actual experience or changes in assumptions may
affect Corning's employee pension and other postretirement obligations, and
current and future expense.

Costs for our defined benefit pension plans consist of two elements: 1) on-going
costs recognized quarterly, which are comprised of service and interest costs,
expected return on plan assets and amortization of prior service costs; and 2)
mark-to-market gains and losses outside of the corridor, where the corridor is
equal to 10% of the greater of the benefit obligation or the market-related
value of plan assets at the beginning of the year, which are recognized annually
in the fourth quarter of each year. These gains and losses result from changes
in actuarial assumptions and the differences between actual and expected return
on plan assets. Any interim remeasurements triggered by a curtailment,
settlement or significant plan changes, as well as any true-up to the annual
valuation, are recognized as a mark-to-market adjustment in the quarter in which
such event occurs.

Costs for our OPEB plans consist of on-going costs recognized quarterly, and are
comprised of service and interest costs, amortization of prior service costs and
amortization of actuarial gains and losses. We recognize the actuarial gains and
losses resulting from changes in actuarial assumptions as a component of
accumulated other comprehensive income in shareholders' equity on an annual
basis and amortize them into our operating results over the average remaining
service period of employees expected to receive benefits under the plans, to the
extent such gains and losses are outside of the corridor.

The following table presents our actual and expected return on assets, as well as the corresponding percentages:



                                                               December 31,
(In millions)                                            2019      2018     

2017

Actual return on plan assets - Domestic plans $ 576 $ (202) $ 393 Expected return on plan assets - Domestic plans

             161        178  

163


Actual return on plan assets - International plans           39          1  

18

Expected return on plan assets - International plans 10 11

11

Weighted-average actual and expected return on assets: Actual return on plan assets - Domestic plans

            21.89%    (6.83)%  

14.92%


Expected return on plan assets - Domestic plans           6.00%      6.00%  

6.00%

Actual return on plan assets - International plans 7.99% (0.06)%

3.93%

Expected return on plan assets - International plans 2.01% 2.13%

3.97%

As of December 31, 2019, the Projected Benefit Obligation (PBO) for U.S. pension plans was $3.9 billion.

The following information illustrates the sensitivity to a change in certain assumptions for U.S. pension plans:



                                                      Effect on 2020        Effect on
                                                     ?pre-tax pension   ?December 31, 2019
Change in assumption                                     ?expense              ?PBO

25 basis point decrease in each spot rate              - 3 million        + 110 million
25 basis point increase in each spot rate              + 2 million        - 

105 million 25 basis point decrease in expected return on assets + 8 million 25 basis point increase in expected return on assets - 8 million




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The above sensitivities reflect the impact of changing one assumption at a time.
Note that economic factors and conditions often affect multiple assumptions
simultaneously and the effects of changes in key assumptions are not necessarily
linear. These changes in assumptions would have no effect on Corning's funding
requirements.

In addition, at December 31, 2019, a 25 basis point decrease in each spot rate
would decrease shareholders' equity by $133 million before tax, and a 25 basis
point increase in each spot rate would increase shareholders' equity by $127
million. In addition, the impact of greater than a 25 basis point decrease in
each spot rate would not be proportional to the first 25 basis point decrease in
each spot rate.

The following table illustrates the sensitivity to a change in each spot rate assumption related to Corning's U.S. OPEB plans:



                                          Effect on 2020      Effect on
                                          ?pre-tax OPEB   ?December 31, 2019
Change in assumption                         ?expense           ?APBO*

25 basis point decrease in each spot rate - 0 million + 23 million 25 basis point increase in each spot rate + 0 million - 22 million

* Accumulated Postretirement Benefit Obligation (APBO).



The above sensitivities reflect the impact of changing one assumption at a time.
Note that economic factors and conditions often affect multiple assumptions
simultaneously and the effects of changes in key assumptions are not necessarily
linear.

Revenue recognition

The Company recognizes revenue when all performance obligations under the terms
of a contract with our customer are satisfied, and control of the product has
been transferred to the customer. If customer acceptance clauses are present and
it cannot be objectively determined that control has been transferred, revenue
is only recorded when customer acceptance is received and all performance
obligations have been satisfied. Sales of goods typically do not include
multiple product and/or service elements. Corning also has contractual
arrangements with certain customers in which we recognize revenue over time. The
performance obligations under these contracts generally require services to be
performed over time, resulting in either a straight-line amortization method or
an input method using incurred and forecasted expense to predict revenue
recognition patterns which follows satisfaction of the performance obligation.

On January 1, 2018, we adopted the new revenue standard and applied the modified
retrospective method of accounting to those contracts which were not completed
as of January 1, 2018. Results for reporting periods beginning after January 1,
2018 are presented under Topic 606, while prior period amounts are not adjusted
and continue to be reported in accordance with our historic accounting under ASC
Topic 605 "Revenue Recognition". Because the impact of adopting the standard on
Corning's financial statements was immaterial, we have not made an adjustment to
opening retained earnings.

One of Corning's equity affiliates adopted the new revenue standard on January
1, 2019.  The impact of adopting the new standard to Corning's financial
statements was a net reduction of $186 million to 2019 beginning retained
earnings. Timing of revenue recognition for certain open performance obligations
as measured at January 1, 2019 under the new standard was approximately $239
million with offsetting deferred tax impacts of $53 million.

NEW ACCOUNTING STANDARDS

Refer to Note 1 (Summary of Significant Accounting Policies) to the consolidated financial statements.




?

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FORWARD-LOOKING STATEMENTS

The statements in this Annual Report on Form 10-K, in reports subsequently filed
by Corning with the Securities and Exchange Commission (SEC) on Form 10-Q and
Form 8-K, and related comments by management that are not historical facts or
information and contain words such as "will," "believe," "anticipate," "expect,"
"intend," "plan," "seek," "see," "would," and "target" and similar expressions
are forward-looking statements. Such statements relate to future events that by
their nature address matters that are, to different degrees, uncertain. These
forward-looking statements relate to, among other things, the Company's future
operating performance, the Company's share of new and existing markets, the
Company's revenue and earnings growth rates, the Company's ability to innovate
and commercialize new products, and the Company's implementation of
cost-reduction initiatives and measures to improve pricing, including the
optimization of the Company's manufacturing capacity.

Although the Company believes that these forward-looking statements are based
upon reasonable assumptions regarding, among other things, current estimates and
forecasts, general economic conditions, its knowledge of its business, and key
performance indicators that impact the Company, actual results could differ
materially. The Company does not undertake to update forward-looking statements.
Some of the risks, uncertainties and other factors that could cause actual
results to differ materially from those expressed in or implied by the
forward-looking statements include, but are not limited to:

?global business, financial, economic and political conditions;

?tariffs and import duties;

?currency fluctuations between the U.S. dollar and other currencies, primarily the Japanese yen, new Taiwan dollar, euro, Chinese yuan and South Korean won;

?product demand and industry capacity;

?competitive products and pricing;

?availability and costs of critical components and materials;

?new product development and commercialization;

?order activity and demand from major customers;

?the amount and timing of our cash flows and earnings and other conditions, which may affect our ability to pay our quarterly dividend at the planned level or to repurchase shares at planned levels;

?possible disruption in commercial activities due to terrorist activity, cyber-attack, armed conflict, political or financial instability, natural disasters, or major health concerns;

?loss of intellectual property due to theft, cyber-attack, or disruption to our information technology infrastructure;

?unanticipated disruption to equipment, facilities, IT systems or operations;

?effect of regulatory and legal developments;

?ability to pace capital spending to anticipated levels of customer demand;

?rate of technology change;

?ability to enforce patents and protect intellectual property and trade secrets;

?adverse litigation;

?product and components performance issues;

?retention of key personnel;

?customer ability, most notably in the Display Technologies segment, to maintain profitable operations and obtain financing to fund ongoing operations and manufacturing expansions and pay receivables when due;

?loss of significant customers;

?changes in tax laws and regulations including the 2017 Tax Act;

?the impacts of audits by taxing authorities;

?the potential impact of legislation, government regulations, and other government action and investigations; and

?other risks detailed in Corning's SEC filings.





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