EX-99.01 Q2 2026 EARNINGS RELEASE Document Exhibit 99.01 Eastman Announces Second-Quarter 2026 Financial Results KINGSPORT, Tenn., July 30, 2026 – Eastman Chemical Company (NYSE:EMN) announced its second-quarter 2026 financial results. • Delivered strong sequential EPS growth and solid cash flow in a dynamic environment through commercial and operational excellence • Drove a 350-basis-point sequential adjusted EBIT margin improvement through 8% higher sales volume/mix and disciplined price-cost management in Advanced Materials and Additives & Functional Products and spread expansion in Chemical Intermediates • Continued to leverage our significant and advantaged integrated U.S.-based assets to be a reliable supplier to our customers amid an uncertain global environment • Building strategic momentum in the circular platform, doubled revenue in the first half of the year and continued great operational performance • Made substantial progress toward delivering $125 million to $150 million of cost savings, net of inflation • Remained focused on delivering solid operating cash flow and expect to release working capital in the second half of 2026 (In millions, except per share amounts; unaudited) 2Q2026 2Q2025 Sales revenue $2,513 $2,287 Earnings before interest and taxes ("EBIT") 311 222 Adjusted EBIT* 320 275 Earnings per diluted share 1.59 1.20 Adjusted earnings per diluted share* 1.97 1.60 Net cash provided by operating activities 224 233 *For non-core and unusual items excluded from adjusted earnings and for adjusted provision for income taxes, segment adjusted EBIT margins, and net debt, reconciliations to reported company and segment earnings and total borrowings for all periods presented in this release, see Tables 3A , 3B , 4A , and 6 . "The Eastman team delivered a strong second quarter despite continued dynamic macroeconomic conditions," said Mark Costa, Board Chair and CEO. "Sales revenue increased 15 percent sequentially driven by strong volume growth across the company and disciplined price-cost management in our specialty businesses. We also delivered strong spread expansion and volume/mix improvement in Chemical Intermediates. These actions resulted in a 350-basis-point sequential increase in our EBIT margin. We also continued to successfully manage the impact of the conflict in the Middle East and secured supply of key raw materials to help customers navigate the uncertainty. Additionally, we built momentum with the commercial ramp up of the Kingsport methanolysis facility and are making progress on a capital-efficient set of options to serve the packaging market." Corporate Results 2Q 2026 versus 2Q 2025 Sales revenue increased 10 percent primarily due to 5 percent higher sales volume/mix and 4 percent higher selling prices. Higher sales volume/mix in Advanced Materials and Chemical Intermediates was partially offset by Fibers. Higher selling prices in Chemical Intermediates were primarily driven by tightening market conditions due to the ongoing Middle East conflict. Higher selling prices in specialty businesses offset higher raw material and distribution costs. EBIT increased due to favorable price-cost, the benefit from cost-reduction initiatives, favorable foreign currency exchange rates and higher sales volume/mix. These factors were partially offset by higher variable compensation expense, higher planned maintenance expense and unfavorable asset utilization. Segment Results 2Q 2026 versus 2Q 2025 Advanced Materials – Sales revenue increased 5 percent due to 4 percent higher sales volume/mix and 1 percent favorable foreign currency exchange rates. Higher sales volume/mix was driven by growth across the segment. Price-cost was stable as increases in specialty plastics to mitigate higher raw material and distribution costs were offset by modestly lower price-cost in advanced interlayers. EBIT decreased as higher sales volume/mix, favorable foreign currency exchange rates and cost reduction initiatives were more than offset by lower asset utilization and higher variable compensation expense. Additives & Functional Products – Sales revenue increased 5 percent primarily due to 4 percent higher selling prices. Higher selling prices were primarily driven by cost-pass-through contracts. EBIT was relatively unchanged as improved price-cost, favorable foreign currency exchange rates and cost reduction initiatives were offset by higher planned maintenance expense. Fibers – Sales revenue decreased 11 percent primarily due to 10 percent lower sales volume/mix and 2 percent lower selling prices. Lower sales volume/mix was driven by customer buying patterns to continue with inventory destocking in acetate tow and continued weakness in the textiles end market relative to tariff-driven volume strength last year. EBIT decreased due to lower sales volume/mix, modestly lower acetate tow contract pricing, higher operating costs including lower asset utilization, and elevated costs associated with logistics to serve customers in connection with the Middle East conflict. These were partially offset by the benefit of cost reduction initiatives. Chemical Intermediates – Sales revenue increased by 39 percent primarily due to 24 percent higher sales volume/mix and 14 percent higher selling prices. Higher sales volume/mix and selling prices, particularly for olefin and derivative products, were driven by increased volume availability compared to the prior year period and supply disruptions. EBIT increased due to higher spreads, improved volume/mix and cost-reduction initiatives. Cash Flow In second quarter 2026, cash provided by operating activities was $224 million versus $233 million in second quarter 2025. The company returned $96 million to stockholders through dividends. See Table 5. Priorities for uses of available cash for 2026 include payment of the quarterly dividend, capital expenditures, and share repurchases while maintaining our solid investment-grade balance sheet. 2026 Outlook Commenting on the outlook for full-year 2026, Costa said: "Our team has demonstrated agility in the first half and is focused on building on the momentum and solid results delivered in the first half of 2026, despite the constantly changing impact of the Middle East conflict and continued weak demand in key discretionary end markets. We remain focused on driving growth through innovation, which is expected to be the primary driver of our specialty growth for the year. A key contributor to our innovation-driven growth is our Kingsport methanolysis facility, which continues to build strategic momentum. We also delivered solid growth through our innovation across weak discretionary end markets. We continue to see modest growth across stable end markets. Our commercial teams demonstrated excellence in successfully implementing price increases in our specialties to offset higher raw material and distribution costs and expect a modest tailwind from these actions in the back half. In our Chemical Intermediates segment, we have benefited from significant spread expansion due to the impact on supply chains of the Middle East conflict and substantially more volume to sell this year. We also remain on track to reduce costs between $125 million and $150 million, net of inflation, and are maintaining disciplined capital expenditures by spending approximately $400 million this year. When putting all of these factors together, we remain confident we can significantly improve earnings in 2026 versus 2025. On cash, the inflationary environment is putting pressure on accounts receivable. As a result, we now expect operating cash flow to approach $900 million, which is modestly below our previous expectation of approaching 2025 levels. "Looking specifically at the sequential third-quarter 2026 outlook, we start with Advanced Materials, where we expect EBIT to be higher driven by improved price-cost and improved asset utilization. We also expect higher earnings in Fibers as acetate tow volume increases, with customers increasing purchases to meet their annual contracts. Additives & Functional Products earnings are expected to decline modestly due to seasonally lower volume, particularly in the agriculture market. Chemical Intermediates earnings are expected to modestly decline as the impact of supply chain disruptions lessens. When putting these factors together, we project third-quarter adjusted EPS to approach second-quarter 2026 EPS of $1.97." The third-quarter 2026 projected adjusted diluted EPS excludes any non-core, unusual, or nonrecurring items. Our financial results forecasts do not include non-core items (such as mark-to-market pension and other post-retirement benefit gain or loss, and asset impairments and restructuring charges) or any unusual or non-recurring items because we are unable to predict with reasonable certainty the financial impact of such items. These items are uncertain and depend on various factors, and we are unable to reconcile projected adjusted diluted EPS excluding non-core and any unusual or non-recurring items to reported GAAP diluted EPS without unreasonable efforts. Forward-Looking Statements The information in this release and other statements by the company may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act with respect to, among other items: projections and estimates of earnings, revenues, volumes, pricing, margins, sales, cost reductions, expenses, taxes, liquidity, capital expenditures, cash flow, dividends, share repurchases or other financial items, supply and demand, capacity and utilization, growth opportunities, statements of management’s plans, strategies and objectives for future operations, and statements regarding future economic, industry or market conditions or performance. Such projections and estimates are based upon certain preliminary information, internal estimates, and management assumptions, expectations, and plans. Forward-looking statements are subject to a number of risks and uncertainties, and actual performance or results could differ materially from that anticipated by any forward-looking statements. Forward-looking statements speak only as of the date they are made, and the company undertakes no obligation to update or revise any forward-looking statement. Other important assumptions and factors that could cause actual results to differ materially from those in the forward-looking statements are detailed in the sections entitled "Risk Factors" and "Management’s Discussion and Analysis of Financial Condition and Results of Operations" in the company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025, and as updated in the company’s filings with the Securities and Exchange Commission (the “SEC”), which are accessible on the SEC’s website at www.sec.gov and the company’s website at www.eastman.com . Financial Measures (Non-GAAP) In addition to the financial information presented in accordance with Generally Accepted Accounting Principles ("GAAP"), this press release includes the following non-GAAP financial measures: adjusted EBIT, adjusted EBIT margin, and adjusted earnings per diluted share. We define adjusted EBIT as the GAAP measure EBIT adjusted for non-core, unusual, or non-recurring items. Adjusted earnings per diluted share is defined as the GAAP measure earnings per diluted share adjusted for non-core, unusual, or non-recurring items. Adjusted EBIT margin is defined as adjusted EBIT divided by the GAAP measure sales revenue in the Company's Unaudited Consolidated Statement of Earnings, Comprehensive Income and Retained Earnings for the same periods. See the reconciliation tables presented in this release for a detailed reconciliation of non-GAAP financial measures to the most directly comparable GAAP measure. We believe that in addition to our results determined in accordance with GAAP, these non-GAAP financial measures provide useful information to both management and investors in measuring our financial performance and highlight trends in our business that may not otherwise be apparent when relying solely on GAAP measures. These non-GAAP financial measures provide supplemental information regarding our operating performance that excludes certain gains, losses and non-cash charges that occur relatively infrequently and/or that we consider to be unrelated to our core operations. Non-GAAP financial information is presented for supplemental informational purposes only and should not be considered in isolation or as a substitute for financial information presented in accordance with GAAP. Our presentation of non-GAAP measures should not be construed as an inference that our future results will be unaffected by unusual or nonrecurring items. Other companies in our industry may calculate these measures differently, which may limit their usefulness as comparative measures. Conference Call and Webcast Information Eastman will host a conference call with industry analysts on July 31, 2026, at 8:00 a.m. ET. To listen to the live webcast of the conference call and view the accompanying slides and prepared remarks, go to investors.eastman.com , Events & Presentations . The slides and prepared remarks to be discussed during the call and webcast will be available at investors.eastman.com at approximately 4:15 p.m. ET on July 30, 2026. To listen via telephone, the dial-in number is +1 (833) 470-1428, passcode: 385739. A web replay, a replay in downloadable MP3 format, and the accompanying slides and prepared remarks will be available at investors.eastman.com , Events & Presentations. A telephone replay will be available continuously beginning at approximately 1:00 p.m. Eastern Time, July 31, through 11:59 p.m. Eastern Time, August 10, 2026, Toll Free at +1 (866) 813-9403, passcode 129897. Founded in 1920, Eastman is a global specialty materials company that produces a broad range of products found in items people use every day. With the purpose of enhancing the quality of life in a material way, Eastman works with customers to deliver innovative products and solutions while maintaining a commitment to safety and sustainability. The company’s innovation-driven growth model takes advantage of world-class technology platforms, deep customer engagement, and differentiated application development to grow its leading positions in attractive end markets such as transportation, building and construction, and consumables. As a globally inclusive company, Eastman employs approximately 13,000 people around the world and serves customers in more than 100 countries. The company had 2025 revenue of approximately $8.8 billion and is headquartered in Kingsport, Tennessee, USA. For more information, visit  www.eastman.com . # # # Contacts: Media: Tracy Kilgore Addington 423-224-0498 / tracy@eastman.com Investors: Greg Riddle 212-835-1620 / griddle@eastman.com FINANCIAL INFORMATION July 30, 2026 For Eastman Chemical Company Second Quarter and Full Year 2026 Financial Results Release Table of Contents Item Page Table 1 Statements of Earnings 1 Table 2A Segment Sales Information 2 Table 2B Sales Revenue Change 3 Table 2C Sales by Customer Location 3 Table 3A Segment, Other, and Company Non-GAAP Earnings (Loss) Before Interest and Taxes Reconciliations 4 Table 3B Segment Non-GAAP Earnings (Loss) Before Interest and Taxes Margins 6 Table 4A Non-GAAP Earnings Before Interest and Taxes, Net Earnings, and Earnings Per Share Reconciliations 7 Table 4B Adjusted Effective Tax Rate Calculation 9 Table 5 Statements of Cash Flows 10 Table 6 Total Borrowings to Net Debt Reconciliations 10 Table 1 – Statements of Earnings Second Quarter First Six Months (Dollars in millions, except per share amounts; unaudited) 2026 2025 2026 2025 Sales $ 2,513 $ 2,287 $ 4,690 $ 4,577 Cost of sales (1) 1,953 1,781 3,699 3,504 Gross profit 560 506 991 1,073 Selling, general and administrative expenses 185 157 363 339 Research and development expenses 65 67 125 134 Asset impairments, restructuring, and other charges, net 1 13 10 22 Other components of post-employment (benefit) cost, net (16) (2) (33) (3) Other (income) charges, net 14 49 27 57 Earnings before interest and taxes 311 222 499 524 Net interest expense 55 53 107 102 Earnings before income taxes 256 169 392 422 Provision for income taxes 72 29 101 99 Net earnings 184 140 291 323 Less: Net earnings attributable to noncontrolling interest 1 — 1 1 Net earnings attributable to Eastman $ 183 $ 140 $ 290 $ 322 Basic earnings per share attributable to Eastman $ 1.60 $ 1.22 $ 2.54 $ 2.80 Diluted earnings per share attributable to Eastman $ 1.59 $ 1.20 $ 2.51 $ 2.77 Shares (in millions) outstanding at end of period 114.4 114.8 114.4 114.8 Shares (in millions) used for earnings per share calculation Basic 114.3 115.0 114.2 115.1 Diluted 115.3 116.2 115.2 116.4 (1) First six months 2026 included inventory adjustment charges of $3 million related to the closure of a production line at a German performance films facility in the Advanced Materials ("AM") segment. 1 Table 2A – Segment Sales Information Second Quarter First Six Months (Dollars in millions, unaudited) 2026 2025 2026 2025 Sales by Segment Advanced Materials $ 817 $ 777 $ 1,532 $ 1,496 Additives & Functional Products 807 769 1,546 1,502 Chemical Intermediates 643 463 1,138 1,008 Fibers 243 274 468 562 Total Sales by Segment 2,510 2,283 4,684 4,568 Other 3 4 6 9 Total Eastman Chemical Company $ 2,513 $ 2,287 $ 4,690 $ 4,577 First Quarter (Dollars in millions, unaudited) 2026 Sales by Segment Advanced Materials $ 715 Additives & Functional Products 739 Chemical Intermediates 495 Fibers 225 Total Sales by Segment 2,174 Other 3 Total Eastman Chemical Company $ 2,177 2 Table 2B – Sales Revenue Change Second Quarter 2026 Compared to Second Quarter 2025 Change in Sales Revenue Due To (Unaudited) Revenue % Change Volume / Product Mix Effect Price Effect Exchange Rate Effect Advanced Materials 5 % 4 % — % 1 % Additives & Functional Products 5 % — % 4 % 1 % Chemical Intermediates 39 % 24 % 14 % 1 % Fibers (11) % (10) % (2) % 1 % Total Eastman Chemical Company 10 % 5 % 4 % 1 % First Six Months 2026 Compared to First Six Months 2025 Change in Sales Revenue Due To (Unaudited) Revenue % Change Volume / Product Mix Effect Price Effect Exchange Rate Effect Advanced Materials 2 % 2 % (2) % 2 % Additives & Functional Products 3 % — % 1 % 2 % Chemical Intermediates 13 % 10 % 2 % 1 % Fibers (17) % (14) % (3) % — % Total Eastman Chemical Company 2 % — % — % 2 % Second Quarter 2026 Compared to First Quarter 2026 Change in Sales Revenue Due To (Unaudited) Revenue % Change Volume / Product Mix Effect Price Effect Exchange Rate Effect Advanced Materials 14 % 11 % 3 % — % Additives & Functional Products 9 % 4 % 5 % — % Chemical Intermediates 30 % 11 % 19 % — % Fibers 8 % 8 % — % — % Total Eastman Chemical Company 15 % 8 % 7 % — % Table 2C – Sales by Customer Location Second Quarter First Six Months (Dollars in millions, unaudited) 2026 2025 2026 2025 Sales by Customer Location United States and Canada $ 1,158 $ 963 $ 2,137 $ 1,983 Europe, Middle East, and Africa 628 610 1,202 1,220 Asia Pacific 578 583 1,078 1,122 Latin America 149 131 273 252 Total Eastman Chemical Company $ 2,513 $ 2,287 $ 4,690 $ 4,577 3 Table 3A - Segment, Other, and Company Non-GAAP Earnings (Loss) Before Interest and Taxes Reconciliations (1) Second Quarter First Six Months (Dollars in millions, unaudited) 2026 2025 2026 2025 Advanced Materials Earnings before interest and taxes $ 109 $ 121 $ 169 $ 237 Cost of sales impact from restructuring activities (2) — — 3 — Asset impairments, restructuring, and other charges, net (2) — — 6 — Excluding non-core items 109 121 178 237 Additives & Functional Products Earnings before interest and taxes 151 153 293 290 Asset impairments, restructuring, and other charges, net — — — 4 Excluding non-core items 151 153 293 294 Chemical Intermediates Earnings (loss) before interest and taxes 58 (30) 40 (11) Fibers Earnings before interest and taxes 36 81 81 169 Other Loss before interest and taxes (43) (103) (84) (161) Asset impairments, restructuring, and other charges net (3) 1 13 4 18 Environmental and other costs (4) 8 40 8 40 Excluding non-core items (34) (50) (72) (103) Total Eastman Chemical Company Earnings before interest and taxes 311 222 499 524 Cost of sales impact from restructuring activities — — 3 — Asset impairments, restructuring, and other charges, net 1 13 10 22 Environmental and other costs 8 40 8 40 Total earnings before interest and taxes excluding non-core items $ 320 $ 275 $ 520 $ 586 Company Non-GAAP Earnings Before Interest and Taxes Reconciliations by Line Items Earnings before interest and taxes $ 311 $ 222 $ 499 $ 524 Cost of sales impact from restructuring activities — — 3 — Asset impairments, restructuring, and other charges, net 1 13 10 22 Other (income) charges, net 8 40 8 40 Total earnings before interest and taxes excluding non-core items $ 320 $ 275 $ 520 $ 586 (1) See "Management's Discussion and Analysis of Financial Condition and Results of Operations" of the Quarterly Report on Form 10-Q for second quarter 2025 for description of second quarter and first six months 2025 non-core items. (2) First six months 2026 included inventory adjustment charges of $3 million, severance charges of $3 million, and restructuring charges of $3 million related to the closure of a production line at a German performance films facility in the AM segment. (3) Second quarter and first six months 2026 included severance charges related to corporate cost reduction initiatives reported in "Other." (4) Second quarter and first six months 2026 included environmental and other costs from previously divested or non-operational sites and product lines, which included associated gains and losses. 4 Table 3A - Segment, Other, and Company Non-GAAP Earnings (Loss) Before Interest and Taxes Reconciliations (continued) (1) First Quarter (Dollars in millions, unaudited) 2026 Advanced Materials Earnings before interest and taxes $ 60 Cost of sales impact from restructuring activities 3 Asset impairments, restructuring, and other charges, net 6 Excluding non-core items 69 Additives & Functional Products Earnings before interest and taxes 142 Chemical Intermediates Loss before interest and taxes (18) Fibers Earnings before interest and taxes 45 Other Loss before interest and taxes (41) Asset impairments, restructuring, and other charges net 3 Excluding non-core items (38) Total Eastman Chemical Company Earnings before interest and taxes 188 Cost of sales impact from restructuring activities 3 Asset impairments, restructuring, and other charges, net 9 Total earnings before interest and taxes excluding non-core items $ 200 Company Non-GAAP Earnings Before Interest and Taxes Reconciliations by Line Items Earnings before interest and taxes $ 188 Cost of sales impact from restructuring activities 3 Asset impairments, restructuring, and other charges, net 9 Total earnings before interest and taxes excluding non-core items $ 200 (1) For the description of first quarter 2026 non-core items, see Table 3A of the Quarterly Report on Form 8-K for first quarter 2026. 5 Table 3B - Segment Non-GAAP Earnings (Loss) Before Interest and Taxes Margins (1)(2) Second Quarter First Six Months 2026 2025 2026 2025 (Dollars in millions, unaudited) Adjusted EBIT Adjusted EBIT Margin Adjusted EBIT Adjusted EBIT Margin Adjusted EBIT Adjusted EBIT Margin Adjusted EBIT Adjusted EBIT Margin Advanced Materials $ 109 13.3 % $ 121 15.6 % $ 178 11.6 % $ 237 15.8 % Additives & Functional Products 151 18.7 % 153 19.9 % 293 19.0 % 294 19.6 % Chemical Intermediates 58 9.0 % (30) (6.5) % 40 3.5 % (11) (1.1) % Fibers 36 14.8 % 81 29.6 % 81 17.3 % 169 30.1 % Total segment EBIT excluding non-core items 354 14.1 % 325 14.2 % 592 12.6 % 689 15.1 % Other (34) (50) (72) (103) Total EBIT excluding non-core items $ 320 12.7 % $ 275 12.0 % $ 520 11.1 % $ 586 12.8 % First Quarter 2026 (Dollars in millions, unaudited) Adjusted EBIT Adjusted EBIT Margin Advanced Materials $ 69 9.7 % Additives & Functional Products 142 19.2 % Chemical Intermediates (18) (3.6) % Fibers 45 20.0 % Total segment EBIT excluding non-core items 238 10.9 % Other (38) Total EBIT excluding non-core items $ 200 9.2 % (1) For identification of excluded non-core items and reconciliations to GAAP EBIT, see Table 3A . (2) Adjusted EBIT margin is non-GAAP EBIT divided by GAAP sales. See Table 2A for sales. 6 Table 4A – Non-GAAP Earnings Before Interest and Taxes, Net Earnings, and Earnings Per Share Reconciliations Second Quarter 2026 Earnings Before Interest and Taxes Earnings Before Income Taxes Provision for Income Taxes Effective Income Tax Rate Net Earnings Attributable to Eastman (Dollars in millions, except per share amounts, unaudited) After Tax Per Diluted Share As reported (GAAP) $ 311 $ 256 $ 72 28 % $ 183 $ 1.59 Non-Core or Unusual Items: (1) Asset impairments, restructuring, and other charges, net 1 1 — 1 0.01 Environmental and other costs 8 8 (1) 9 0.08 Income tax related item (2) — — (8) 8 0.07 Interim adjustment to tax provision (3) — — (26) 26 0.22 Non-GAAP (Excluding non-core and unusual items and with adjusted provision for income taxes) $ 320 $ 265 $ 37 15 % $ 227 $ 1.97 Second Quarter 2025 Earnings Before Interest and Taxes Earnings Before Income Taxes Provision for Income Taxes Effective Income Tax Rate Net Earnings Attributable to Eastman (Dollars in millions, except per share amounts, unaudited) After Tax Per Diluted Share As reported (GAAP) $ 222 $ 169 $ 29 17 % $ 140 $ 1.20 Non-Core Items: (1) Asset impairments, restructuring, and other charges, net 13 13 5 8 0.08 Environmental and other costs 40 40 9 31 0.26 Interim adjustment to tax provision (3) — — (7) 7 0.06 Non-GAAP (Excluding non-core items and with adjusted provision for income taxes) $ 275 $ 222 $ 36 16 % $ 186 $ 1.60 (1) See Table 3A for description of second quarter 2026 and 2025 non-core items excluded from non-GAAP EBIT. Provision for income taxes for non-core items is calculated using the tax rate for the jurisdiction where the gains are taxable and the expenses are deductible. (2) Second quarter 2026 included expense related to a prior tax law change. (3) The adjusted provision for income taxes for second quarter 2026 and 2025 is calculated applying the forecasted full year effective tax rate as shown in Table 4B . 7 First Six Months 2026 Earnings Before Interest and Taxes Earnings Before Income Taxes Provision for Income Taxes Effective Income Tax Rate Net Earnings Attributable to Eastman (Dollars in millions, except per share amounts, unaudited) After Tax Per Diluted Share As reported (GAAP) $ 499 $ 392 $ 101 26 % $ 290 $ 2.51 Non-Core or Unusual Items: (1) Cost of sales impact from restructuring activities 3 3 1 2 0.02 Asset impairments, restructuring, and other charges, net 10 10 3 7 0.06 Environmental and other costs 8 8 (1) 9 0.08 Income tax related item (2) — — (13) 13 0.11 Interim adjustment to tax provision (3) — — (31) 31 0.28 Non-GAAP (Excluding non-core and unusual items and with adjusted provision for income taxes) $ 520 $ 413 $ 60 15 % $ 352 $ 3.06 First Six Months 2025 Earnings Before Interest and Taxes Earnings Before Income Taxes Provision for Income Taxes Effective Income Tax Rate Net Earnings Attributable to Eastman (Dollars in millions, except per share amounts, unaudited) After Tax Per Diluted Share As reported (GAAP) $ 524 $ 422 $ 99 23 % $ 322 $ 2.77 Non-Core Items: (1) Asset impairments, restructuring, and other charges, net 22 22 6 16 0.14 Environmental and other costs 40 40 9 31 0.26 Interim adjustment to tax provision (3) — — (39) 39 0.34 Non-GAAP (Excluding non-core items and with adjusted provision for income taxes) $ 586 $ 484 $ 75 16 % $ 408 $ 3.51 (1) See Table 3A for description of first six months 2026 and 2025 non-core items excluded from non-GAAP EBIT. Provision for income taxes for non-core items is calculated using the tax rate for the jurisdiction where the gains are taxable and the expenses are deductible. (2) First six months 2026 included expense related to a prior tax law change. (3) The adjusted provision for income taxes for first six months 2026 and 2025 is calculated applying the forecasted full year effective tax rate as shown in Table 4B . 8 Table 4A – Non-GAAP Earnings Before Interest and Taxes, Net Earnings, and Earnings Per Share Reconciliations (continued) First Quarter 2026 Earnings Before Interest and Taxes Earnings Before Income Taxes Provision for Income Taxes Effective Income Tax Rate Net Earnings Attributable to Eastman (Dollars in millions, except per share amounts, unaudited) After Tax Per Diluted Share As reported (GAAP) $ 188 $ 136 $ 29 21 % $ 107 $ 0.93 Non-Core or Unusual Items: (1) Cost of sales impact from restructuring activities 3 3 1 2 0.02 Asset impairments, restructuring, and other charges, net 9 9 3 6 0.05 Income tax related item (2) — — (5) 5 0.04 Interim adjustment to tax provision (3) — — (5) 5 0.05 Non-GAAP (Excluding non-core and unusual items and with adjusted provision for income taxes) $ 200 $ 148 $ 23 15 % $ 125 $ 1.09 (1) See Table 3A for description of first quarter 2026 non-core items excluded from non-GAAP EBIT. Provision for income taxes for non-core items is calculated using the tax rate for the jurisdiction where the gains are taxable and the expenses are deductible. (2) First quarter 2026 included expense related to a prior tax law change. (3) The adjusted provision for income taxes for first quarter 2026 is calculated applying the forecasted full year effective tax rate as shown in Table 4B . Table 4B - Adjusted Effective Tax Rate Calculation First Six Months (1) (Unaudited) 2026 2025 Effective tax rate 26 % 23 % Discrete tax items (2) (1) % (1) % Tax impact of current year non-core and unusual items (3) (2) % 4 % Changes in tax contingencies and valuation allowances — % (2) % Forecasted full year impact of expected tax events (4) (8) % (8) % Forecasted full year adjusted effective tax rate 15 % 16 % (1) Effective tax rate percentages are rounded to the nearest whole percent. The forecasted full year effective tax rates are 14.5 percent and 15.5 percent in first six months 2026 and 2025. (2) "Discrete tax items" are items that are excluded from the Company's estimated annual effective tax rate and recognized entirely in the quarter in which the item occurs. Discrete tax items for first six months 2026 and 2025 are related to share based compensation expense and adjustments to certain prior year tax returns. (3) Provision for income taxes for non-core and unusual items is calculated using the tax rate for the jurisdiction where the gains are taxable and the expenses are deductible. (4) Expected future tax events may include finalization of tax returns; federal, state, and foreign examinations or the expiration of statutes of limitation; and corporate restructurings. 9 Table 5 – Statements of Cash Flows Second Quarter First Six Months (Dollars in millions, unaudited) 2026 2025 2026 2025 Operating activities Net earnings $ 184 $ 140 $ 291 $ 323 Adjustments to reconcile net earnings to net cash used in operating activities: Depreciation and amortization 132 127 263 253 Provision (benefit) from deferred income taxes 15 (45) 10 (48) Changes in operating assets and liabilities, net of effect of acquisitions and divestitures: (Increase) decrease in trade receivables (147) (91) (369) (183) (Increase) decrease in inventories (27) (11) (146) (131) Increase (decrease) in trade payables 18 (83) 85 (155) Pension and other postretirement contributions (in excess of) less than expenses (22) (3) (48) (17) Variable compensation payments (in excess of) less than expenses 71 23 22 (86) Other items, net — 176 (21) 110 Net cash provided by operating activities 224 233 87 66 Investing activities Additions to properties and equipment (100) (150) (203) (297) Government incentives — 3 3 14 Other items, net 1 — (3) 5 Net cash used in investing activities (99) (147) (203) (278) Financing activities Net increase in commercial paper and other borrowings — 59 — 344 Proceeds from borrowings — — 594 246 Repayment of borrowings — — (150) (550) Dividends paid to stockholders (96) (95) (192) (191) Treasury stock purchases — (50) — (50) Other items, net (4) (4) (11) (13) Net cash (used in) provided by financing activities (100) (90) 241 (214) Effect of exchange rate changes on cash and cash equivalents 1 9 — 12 Net change in cash and cash equivalents 26 5 125 (414) Cash and cash equivalents at beginning of period 665 418 566 837 Cash and cash equivalents at end of period $ 691 $ 423 $ 691 $ 423 Table 6 – Total Borrowings to Net Debt Reconciliations June 30, December 31, (Dollars in millions, unaudited) 2026 2025 Total borrowings $ 5,217 $ 4,787 Less: Cash and cash equivalents 691 566 Net debt (1) $ 4,526 $ 4,221 (1) Included a non-cash decrease of $17 million in 2026 and a non-cash increase of $68 million in 2025 resulting from foreign currency exchange rates. 10

the item shown at left

other guidance in this release

Text is the filed exhibit, verbatim.