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OLIN Corp

For the period ended Mar 31, 2025. Filed May 2, 2025.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2025 · Filed May 2, 2025

OLN$17.31-4.2%Stored close · as of Nov 6, 2026

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Notes to Condensed Financial Statements

NOTE 1. DESCRIPTION OF BUSINESS

Olin Corporation (Olin) is a Virginia corporation, incorporated in 1892, having its principal executive offices in Clayton, MO. We are a leading vertically integrated global manufacturer and distributor of chemical products and a leading U.S. manufacturer of ammunition. Our operations are concentrated in three business segments: Chlor Alkali Products and Vinyls, Epoxy and Winchester. All of our business segments are capital-intensive manufacturing businesses. The Chlor Alkali Products and Vinyls segment manufactures and sells chlorine and caustic soda, ethylene dichloride and vinyl chloride monomer, methyl chloride, methylene chloride, chloroform, carbon tetrachloride, perchloroethylene, hydrochloric acid, hydrogen, bleach products and potassium hydroxide. The Epoxy segment produces and sells a full range of epoxy materials and precursors, including aromatics (acetone and phenol), allyl chloride, epichlorohydrin, liquid epoxy resins, solid epoxy resins and formulated solutions products such as converted epoxy resins and additives. The Winchester segment produces and sells sporting ammunition, reloading components, small caliber military ammunition and components, industrial cartridges and clay targets.

Basis of Presentation

We have prepared the condensed financial statements included herein, without audit, pursuant to the rules and regulations of the United States (U.S.) Securities and Exchange Commission (SEC). The preparation of the financial statements requires estimates and assumptions that affect amounts reported and disclosed in the financial statements and related notes. In our opinion, these financial statements reflect all adjustments (consisting only of normal accruals), which are necessary to present fairly the results for interim periods. Certain information and footnote disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles have been condensed or omitted pursuant to such rules and regulations; however, we believe that the disclosures are appropriate. We recommend that you read these condensed financial statements in conjunction with the financial statements, accounting policies and the notes thereto and Management’s Discussion and Analysis of Financial Condition and Results of Operations included in our Annual Report on Form 10-K for the year ended December 31, 2024.

NOTE 2. RECENT ACCOUNTING PRONOUNCEMENTS

In November 2024, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses, which expands the disclosure requirements in the notes to the financial statements on certain costs and expenses on an interim and annual basis. The new requirements are effective for the Company’s annual reporting periods beginning after December 15, 2026 and interim periods beginning after December 15, 2027, with the option to early adopt at any time before the effective date. ASU 2024-03 requires adoption on a prospective basis, with the option for retrospective application. While the ASU implements further disclosure requirements, it does not change how an entity calculates and/or records its expenses, and it will have no impact on the Company’s consolidated financial statements. We are currently evaluating the impact of the final rule on our disclosures.

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which includes amendments that further enhance income tax disclosures, primarily through standardization and disaggregation of rate reconciliation categories and income taxes paid by jurisdiction. The amendments are effective for annual periods beginning after December 15, 2024, with the option to early adopt at any time before the effective date. ASU 2023-09 allows for adoption on a prospective or retrospective basis. We will adopt this standard beginning with our fiscal year ending December 31, 2025. We are currently evaluating the impact of the standard on our consolidated financial statements and disclosures.

NOTE 3. ACQUISITIONS

On April 18, 2025, Olin acquired AMMO, Inc.’s small caliber ammunition manufacturing assets for total consideration of $55.8 million, subject to normal post-closing adjustments. The acquisition, which includes AMMO Inc.’s brass shellcase capabilities and their 185,000 square foot production facility located in Manitowoc, WI, will be included in Olin’s existing Winchester segment. The acquisition was financed with cash on hand. The initial purchase accounting for acquired assets and assumed liabilities is preliminary as a result of the timing of the acquisition. The acquisition is not material and therefore supplemental pro forma financial information is not provided.

NOTE 4. RESTRUCTURING CHARGES

On December 11, 2024, we announced we had made the decision to permanently close our Chlorine 3 manufacturing facility in Freeport, TX (Freeport 2024 Plan). The closure is expected to be completed by December 31, 2025. We expect to incur additional restructuring charges through 2030 of approximately $35 million related to this action.

As a result of weak global resin demand and higher cost structures within the European region, we began a review of our global Epoxy asset footprint to optimize the most productive and cost-effective assets to support our operating model. As part of this review, we announced operational cessations in the fourth quarter of 2022 and the first half of 2023 (collectively, Epoxy Optimization Plan).

On June 20, 2023, we announced we had made the decision to cease all remaining operations at our Gumi, South Korea facility, reduce epoxy resin capacity at our Freeport, TX facility, and reduce our sales and support staffing across Asia. These actions were substantially completed by December 31, 2023. On March 21, 2023, we announced we had made the decision to cease operations at our cumene facility in Terneuzen, Netherlands and solid epoxy resin production at our facilities in Gumi, South Korea and Guaruja, Brazil. The closures were completed in the first quarter 2023. During the fourth quarter of 2022, we committed to and completed a plan to close down one of our bisphenol production lines at our Stade, Germany site. We expect to incur additional restructuring charges through the end of the year of approximately $10 million related to these actions.

During 2021, we announced that we had made the decision to permanently close our diaphragm-grade chlor alkali capacity, representing 400,000 tons, at our McIntosh, AL facility (McIntosh Plan). The closure was completed during the third quarter of 2022. We expect to incur additional restructuring charges through 2027 of approximately $20 million related to these actions.

On January 18, 2021, we announced we had made the decision to permanently close our trichloroethylene and anhydrous hydrogen chloride liquefaction facilities in Freeport, TX (collectively, Freeport 2021 Plan), which were completed in the fourth quarter of 2021. We expect to incur additional restructuring charges through 2026 of approximately $5 million related to these actions.

On December 11, 2019, we announced that we had made the decision to permanently close a chlor alkali plant with a capacity of 230,000 tons and our vinylidene chloride (VDC) production facility, both in Freeport, TX (collectively, Freeport 2019 Plan). The VDC facility and related chlor alkali plant were closed during the fourth quarter of 2020 and second quarter of 2021, respectively. We expect to incur additional restructuring charges through 2026 of approximately $10 million related to these actions.

Pretax restructuring charges related to these actions include facility exit costs, lease and other contract termination costs, employee severance and related benefits costs and the write-off of equipment and facilities. Pretax restructuring charges, by plan, for the three months ended March 31, 2025 and 2024, were as follows:

Three Months Ended March 31,
20252024
Pretax Restructuring Charges · ($ in millions)
Epoxy Optimization Plan$1.1$3.5
McIntosh Plan0.21.9
Freeport 2021 Plan1.80.4
Freeport 2019 Plan0.92.5
Total restructuring charges$4.0$8.3

The following table summarizes the 2025 and 2024 activities by major component of these restructuring actions and the remaining balances of accrued restructuring costs as of March 31, 2025 and 2024:

Employee Severance and Related Benefit CostsLease and Other Contract Termination CostsFacility Exit CostsTotal
Restructuring Activity by Component · ($ in millions)
Balance at January 1, 2024$10.8$16.7$—$27.5
Restructuring charges:——8.38.3
Amounts utilized(6.7)(3.3)(8.3)(18.3)
Balance at March 31, 2024$4.1$13.4$—$17.5
Balance at January 1, 2025$3.1$5.2$—$8.3
Restructuring charges:1.60.22.24.0
Amounts utilized(1.9)(2.9)(2.2)(7.0)
Balance at March 31, 2025$2.8$2.5$—$5.3

The following table summarizes the cumulative restructuring charges of these restructuring actions by major component through March 31, 2025:

Chlor Alkali Products and Vinyls · Epoxy · Total
McIntosh Plan · Freeport 2024 Plan · Freeport 2021 Plan · Freeport 2019 Plan · Epoxy Optimization Plan
Cumulative Restructuring Charges · ($ in millions)
Write-off of equipment and facility$2.7$—$—$58.9$18.3$79.9
Employee severance and related benefit costs———2.118.520.6
Facility exit costs11.6—16.425.735.889.5
Lease and other contract termination costs6.3———34.140.4
Total cumulative restructuring charges$20.6$—$16.4$86.7$106.7$230.4

As of March 31, 2025, we have incurred cash expenditures of $145.2 million and non-cash charges of $79.9 million related to these restructuring actions. The remaining balance of $5.3 million is expected to be paid out through 2027.

NOTE 5. EARNINGS PER SHARE

Basic and diluted net income attributable to Olin Corporation per share are computed by dividing net income attributable to Olin Corporation by the weighted-average number of common shares outstanding. Diluted net income attributable to Olin Corporation per share reflects the dilutive effect of stock-based compensation.

Three Months Ended March 31,
20252024
Computation of Earnings per Share · ($ in millions, except per share data)
Net income attributable to Olin Corporation$1.4$48.6
Weighted-average common shares - basic115.3119.9
Dilutive effect of stock-based compensation1.32.0
Weighted-average common shares - diluted116.6121.9
Earnings per common share attributable to Olin Corporation:
Basic$0.01$0.41
Diluted$0.01$0.40

The computation of dilutive shares does not include 3.7 million and 2.0 million shares for the three months ended March 31, 2025 and 2024, respectively, as their effect would have been anti-dilutive.

NOTE 6. ACCOUNTS RECEIVABLE

Our condensed balance sheets includes the following amounts within receivables, net:

March 31, 2025December 31, 2024March 31, 2024
Accounts Receivable · ($ in millions)
Allowance for doubtful accounts receivable$12.0$11.8$12.6
Other receivables101.794.689.4

NOTE 7. INVENTORIES

Inventories consisted of the following:

March 31, 2025December 31,2024March 31, 2024
Inventories · ($ in millions)
Supplies$157.7$149.3$146.7
Raw materials183.0185.2188.2
Work in process188.9173.1160.8
Finished goods503.4467.3473.9
Inventories excluding LIFO reserve1,033.0974.9969.6
LIFO reserve(157.8)(151.4)(145.7)
Inventories, net$875.2$823.5$823.9

Inventories under the LIFO method are based on annual estimates of quantities and costs as of year-end; therefore, the condensed financial statements at March 31, 2025, reflect certain estimates relating to inventory quantities and costs at December 31, 2025. The replacement cost of our inventories would have been approximately $157.8 million, $151.4 million and $145.7 million higher than reported at March 31, 2025, December 31, 2024 and March 31, 2024, respectively.

NOTE 8. OTHER ASSETS

Included in other assets were the following:

March 31, 2025December 31, 2024March 31, 2024
Other Assets · ($ in millions)
Supply contracts$1,027.1$1,047.3$1,065.1
Pension assets52.043.31.7
Investment in unconsolidated affiliates23.023.0—
Other69.571.556.7
Other assets$1,171.6$1,185.1$1,123.5

For the three months ended March 31, 2024 payments of $28.5 million were made under other long-term supply contracts for energy modernization projects in the U.S. Gulf Coast.

Amortization expense of $20.9 million and $18.3 million for the three months ended March 31, 2025 and 2024, respectively, was recognized within cost of goods sold related to our long-term supply contracts and is reflected in depreciation and amortization on the condensed statements of cash flows.

NOTE 9. GOODWILL AND INTANGIBLE ASSETS

Changes in the carrying value of goodwill were as follows:

Chlor Alkali Products and VinylsEpoxyWinchesterTotal
Goodwill · ($ in millions)
Balance at January 1, 2024(1)$1,276.1$145.2$2.7$1,424.0
Acquisition activity——(0.3)(0.3)
Foreign currency translation adjustment(0.3)(0.1)—(0.4)
Balance at March 31, 2024(1)$1,275.8$145.1$2.4$1,423.3
Balance at January 1, 2025(1)$1,276.4$144.8$2.4$1,423.6
Foreign currency translation adjustment(0.1)——(0.1)
Balance at March 31, 2025(1)$1,276.3$144.8$2.4$1,423.5

(1)Includes cumulative goodwill impairment of $557.6 million and $142.2 million in Chlor Alkali Products and Vinyls and Epoxy, respectively.

Intangible assets consisted of the following:

March 31, 2025December 31, 2024March 31, 2024
Gross AmountAccumulated AmortizationNetGross AmountAccumulated AmortizationNetGross AmountAccumulated AmortizationNet
Intangible Assets · ($ in millions)
Customers, customer contracts and relationships$670.5$(480.2)$190.3$666.7$(469.2)$197.5$669.8$(445.1)$224.7
Trade names3.6(0.7)2.93.5(0.6)2.93.6(0.4)3.2
Acquired technology94.3(93.1)1.293.7(91.7)2.094.1(90.6)3.5
Other4.9(0.7)4.24.9(0.7)4.24.9(0.7)4.2
Total intangible assets$773.3$(574.7)$198.6$768.8$(562.2)$206.6$772.4$(536.8)$235.6

NOTE 10. DEBT

Long-term loans, notes and other financing obligations, consisted of the following:

March 31, 2025December 31, 2024March 31, 2024
Financing Obligations · ($ in millions)
Fixed-rate Financing
9.50% senior notes, due 2025 (2025 Notes)$—$108.6$108.6
5.125% senior notes, due 2027 (2027 Notes)—500.0500.0
5.625% senior notes, due 2029669.3669.3669.3
5.00% senior notes, due 2030515.3515.3515.3
6.625% senior notes, due 2033 (2033 Notes)600.0——
Variable-rate Financing
Term Loan Facilities650.0332.5339.0
Revolving Credit Facilities75.0170.0161.0
Receivables Financing Agreements461.0475.0332.4
Recovery Zone bonds83.083.0103.0
Go Zone bonds——50.0
Industrial development and environmental improvement obligations2.92.92.9
Other
Deferred debt issuance costs(20.7)(14.3)(15.7)
Unamortized bond original issue discount—(0.1)(0.1)
Total debt3,035.82,842.22,765.7
Amounts due within one year19.2129.080.9
Total long-term debt$3,016.6$2,713.2$2,684.8

Senior Notes and Senior Credit Facilities

On March 14, 2025, Olin issued $600.0 million aggregate principal amount of 6.625% senior notes due April 1, 2033 (2033 Notes), in a private offering exempt from the registration requirements of the Securities Act of 1933, as amended. Interest on the 2033 Notes began accruing from March 14, 2025 and is paid semi-annually beginning on October 1, 2025.

On March 14, 2025, Olin entered into a $1,850.0 million senior credit facility (2025 Senior Credit Facility), which increased the borrowing limit of our existing $1,550.0 million senior credit facility (2022 Senior Credit Facility) by $300.0 million and extended the maturity date from October 11, 2027 to March 14, 2030. The 2025 Senior Credit Facility includes a term loan facility with aggregate commitments of $650.0 million (2025 Term Loan Facility) and a revolving credit facility with aggregate commitments of $1,200.0 million (2025 Revolving Credit Facility).

The 2025 Term Loan Facility replaced Olin’s existing $350.0 million term loan facility (2022 Term Loan Facility, and collectively with the new 2025 Term Loan Facility, the Term Loan Facilities). The 2025 Term Loan Facility requires principal amortization payments beginning on June 30, 2025 at a rate of 0.625% per quarter through March 31, 2027, increasing to 1.250% per quarter thereafter, until maturity, and was fully drawn on the closing date.

The 2025 Revolving Credit Facility replaced Olin’s existing $1,200.0 million revolving credit facility (2022 Revolving Credit Facility, and collectively with the new 2025 Revolving Credit Facility, the Revolving Credit Facilities). The 2025 Revolving Credit Facility includes a $100.0 million letter of credit subfacility. At March 31, 2025, we had $1,124.6 million available under our 2025 Revolving Credit Facility because we had $75.0 million borrowed under the facility and issued $0.4 million of letters of credit.

Proceeds from the 2033 Notes, together with borrowings under the 2025 Senior Credit Facility, were used to redeem the $108.6 million 2025 Notes, redeem the $500.0 million 2027 Notes, refinance the existing 2022 Senior Credit Facility, comprised of $505.0 million of borrowings under the 2022 Revolving Credit Facility and $332.5 million of borrowings under the 2022 Term Loan Facility, and pay related fees and expenses.

We were in compliance with all covenants and restrictions under all our outstanding credit agreements as of March 31, 2025, and no event of default had occurred that would permit the lenders under our outstanding credit agreements to accelerate the debt if not cured. In the future, our ability to generate sufficient operating cash flows, among other factors, will determine the amounts available to be borrowed under these facilities. As a result of our restrictive covenant related to the net leverage ratio, the maximum additional borrowings available to us could be limited in the future. The limitation, if an amendment or waiver from our lenders is not obtained, could restrict our ability to borrow the maximum amounts available under the 2025 Senior Revolving Credit Facility and the 2024 Receivables Financing Agreement (defined below). As of March 31, 2025, there were no covenants or other restrictions that limited our ability to borrow.

Receivables Financing Agreement

On November 20, 2024, we entered into a $500.0 million receivables financing agreement (2024 Receivables Financing Agreement) which increased the borrowing limit of our existing $425.0 million receivables financing agreement (2022 Receivables Financing Agreement) by $75.0 million and extended the maturity date from October 14, 2025 to November 19, 2027 (collectively, the “Receivables Financing Agreements”).

Under the Receivables Financing Agreements, our eligible trade receivables are used for collateralized borrowings and continue to be serviced by us. In addition, the 2024 Receivables Financing Agreement incorporates the net leverage ratio covenant that is contained in the 2025 Senior Credit Facility. As of March 31, 2025, December 31, 2024 and March 31, 2024, we had $461.0 million, $475.0 million and $332.4 million, respectively, drawn under the Receivables Financing Agreements. As of March 31, 2025, $631.0 million of our trade receivables were pledged as collateral and we had $39.0 million of additional borrowing capacity under the 2024 Receivables Financing Agreement.

As part of the 2024 Receivables Financing Agreement, we terminated our existing trade accounts receivable factoring arrangements (AR Facilities), under which certain of our domestic and international subsidiaries could sell their accounts receivable. These receivables had qualified for sales treatment under ASC 860 “Transfers and Servicing” and, accordingly, the proceeds were included in net cash provided by operating activities in the consolidated statements of cash flows.

Financing Cash Flows

During the three months ended March 31, 2025 and 2024, activity of our outstanding debt included:

Three Months Ended March 31,
20252024
Long-term Debt Borrowings (Repayments) · ($ in millions)
Borrowings
Term Loan Facilities$650.0$—
Revolving Credit Facilities410.0180.0
Receivables Financing Agreements381.037.0
2033 Notes600.0—
Total borrowings2,041.0217.0
Repayments
Term Loan Facilities(332.5)(2.2)
Revolving Credit Facilities(505.0)(87.0)
Receivables Financing Agreements(395.0)(33.1)
2025 Notes(108.6)—
2027 Notes(500.0)—
Total repayments(1,841.1)(122.3)
Long-term debt borrowings, net$199.9$94.7

Other Financing

Interest expense for the three months ended March 31, 2025 included $3.3 million for the write-off of unamortized deferred debt issuance costs and costs associated with our first quarter financing transactions, including the 2025 Senior Credit Facility, early redemption of the 2025 Notes and 2027 Notes, and issuance of the 2033 Notes.

For the three months ended March 31, 2025, we paid debt issuance costs of $12.0 million associated with the 2033 Notes and 2025 Senior Credit Facility.

NOTE 11. PENSION PLANS AND RETIREMENT BENEFITS

We sponsor domestic and foreign defined benefit pension plans for eligible employees and retirees. Most of our domestic employees participate in defined contribution plans. However, a portion of our bargaining hourly employees continue to participate in our domestic qualified defined benefit pension plans under a flat-benefit formula. Our funding policy for the qualified defined benefit pension plans is consistent with the requirements of federal laws and regulations. Our foreign subsidiaries maintain pension and other benefit plans, which are consistent with local statutory practices.

Our domestic qualified defined benefit pension plan provides that if, within three years following a change of control of Olin, any corporate action is taken or filing made in contemplation of, among other things, a plan termination or merger or other transfer of assets or liabilities of the plan, and such termination, merger, or transfer thereafter takes place, plan benefits would automatically be increased for affected participants (and retired participants) to absorb any plan surplus (subject to applicable collective bargaining requirements).

We also provide certain postretirement healthcare (medical) and life insurance benefits for eligible active and retired domestic employees. The healthcare plans are contributory with participants’ contributions adjusted annually based on medical rates of inflation and plan experience.

Pension Benefits · Other Postretirement Benefits
Three Months Ended March 31,Three Months Ended March 31,
2025202420252024
Components of Net Periodic Benefit (Income) Cost · ($ in millions)
Service cost$1.0$1.3$0.1$0.2
Interest cost24.525.10.30.4
Expected return on plans’ assets(31.7)(33.9)——
Amortization of prior service cost(0.2)(0.1)(0.1)—
Recognized actuarial loss1.41.50.10.2
Net periodic benefit (income) cost$(5.0)$(6.1)$0.4$0.8

We made cash contributions to our international qualified defined benefit pension plans of $0.1 million and $0.3 million for the three months ended March 31, 2025 and 2024, respectively.

NOTE 12. INCOME TAXES

The effective tax rate for the three months ended March 31, 2025 included a net $0.4 million tax expense, primarily associated with a change in tax contingencies. Excluding this item, the effective tax rate for the three months ended March 31, 2025 of 23.8% was higher than the 21.0% U.S. federal statutory rate primarily due to state income tax and foreign income inclusions, partially offset by favorable permanent salt depletion deductions. The effective tax rate for the three months ended March 31, 2024 included a net $2.6 million tax benefit, primarily associated with stock-based compensation and prior year tax positions, partially offset by an expense from a change in tax contingencies. Excluding these items, the effective tax rate for the three months ended March 31, 2024 of 25.0% was higher than the 21.0% U.S. federal statutory rate primarily due to state income tax and foreign income inclusions, partially offset by favorable permanent salt depletion deductions.

In August 2022, the Inflation Reduction Act (the "IRA") was enacted and provides various beneficial credits for energy efficient related manufacturing, transportation and fuels, hydrogen/carbon recapture and renewable energy, which we are evaluating in regard to planned projects.

As of March 31, 2025, we had $21.3 million of gross unrecognized tax benefits, which would have impacted the effective tax rate, if recognized. The amounts of unrecognized tax benefits were as follows:

Three Months Ended March 31,
20252024
Unrecognized Tax Benefits · ($ in millions)
Balance at beginning of year$21.1$50.3
Increases for prior year tax positions0.8—
Decreases for prior year tax positions(0.2)—
Increases for current year tax positions0.40.4
Settlements with tax authorities(0.8)—
Foreign currency translation adjustments—(0.8)
Balance at end of period$21.3$49.9

As of March 31, 2025, we believe it is reasonably possible that our total amount of unrecognized tax benefits will decrease by approximately $10.3 million over the next twelve months. The anticipated reduction primarily relates to expected settlements with tax authorities and the expiration of federal, state and foreign statutes of limitation.

We operate globally and file income tax returns in numerous jurisdictions. Our tax returns are subject to examination by various federal, state and local tax authorities. Additionally, examinations are ongoing in various states and foreign jurisdictions. We believe we have adequately provided for all tax positions; however, amounts asserted by taxing authorities could be greater than our accrued position.

For our primary tax jurisdictions, the tax years that remain subject to examination are as follows:

Tax Years
U.S. federal income tax2020 - 2024
U.S. state income tax2015 - 2024
Canadian federal income tax2018 - 2024
Brazil2019 - 2024
Germany2022 - 2024
China2015 - 2024
The Netherlands2020 - 2024

NOTE 13. DEFINED CONTRIBUTION PLAN

The Company sponsors a defined contribution plan for qualifying domestic employees (Employee Retirement Savings Plan) and a supplemental executive retirement plan as follows:

Employee Retirement Savings Plan

We sponsor a defined contribution plan for qualifying domestic employees, for which the company contributes between 5.0% and 7.5% of the employees’ eligible compensation into a retirement account (Company Contribution). Employees generally vest in the value of the Company Contribution according to a schedule based on service. Participants vest 50% after 2 years of service and 100% after 3 years of service.

We also match a percentage of our employees’ contributions (Company Match), which are invested in the same investment allocation as the employees’ contributions. Employees immediately vest in the Company Match.

Our contributions to the defined contribution plan were as follows:

Three Months Ended March 31,
20252024
Employee Retirement Savings Plan Expense · ($ in millions)
Company Contribution$10.3$10.6
Company Match4.23.6
Total expense$14.5$14.2

NOTE 14. STOCK-BASED COMPENSATION

Stock-based compensation granted includes stock options, performance share awards, restricted stock awards and deferred directors’ compensation. Stock-based compensation expense was as follows:

Three Months Ended March 31,
20252024
Stock Compensation Expense · ($ in millions)
Stock-based compensation$5.3$5.6
Mark-to-market adjustments(3.8)2.2
Total expense$1.5$7.8

Performance Shares

Performance share awards are denominated in shares of our stock and are paid half in cash and half in stock. Payouts for performance share awards are based on two criteria: (1)50% of the award is based on Olin’s total shareholder returns (TSR) over the applicable three-year performance cycle in relation to the TSR over the same period among a portfolio of public companies which are selected in concert with outside compensation consultants and (2)50% of the award is based on Olin’s net income over the applicable three-year performance cycle in relation to the net income goal for such period as set by the Compensation Committee of Olin’s Board of Directors. The expense associated with performance shares is recorded based on our estimate of our performance relative to the respective target. If an employee leaves the company before the end of the performance cycle, the performance shares may be prorated based on the number of months of the performance cycle worked and are settled in cash instead of half in cash and half in stock when the three-year performance cycle is completed.

The fair value of each performance share award based on net income was estimated on the date of grant, using the current stock price. The fair value of each performance share award based on TSR was estimated on the date of grant, using a Monte Carlo simulation model with the following weighted average assumptions:

Grant Date Assumptions - Performance Shares20252024
Risk-free interest rate4.27%4.53%
Expected volatility of Olin common stock37%41%
Expected average volatility of peer companies35%37%
Average correlation coefficient of peer companies0.450.40
Expected life (years)3.03.0
Grant date fair value (TSR-based award)$27.46$72.80
Grant date fair value (net income-based award)$27.62$54.07
Performance share awards granted545,572180,714

The risk-free interest rate was based on zero coupon U.S. Treasury securities rates for the expected life of the performance share awards. The expected volatility of Olin common stock and peer companies was based on historical stock price movements, as we believe that historical experience is the best available indicator of the expected volatility. The average correlation coefficient of peer companies was determined based on historical trends of Olin’s common stock price compared to the peer companies. Expected life of the performance share award grant was based on historical exercise and cancellation patterns, as we believe that historical experience is the best estimate of future exercise patterns.

Restricted Stock Units

During the three months ended March 31, 2025 and 2024, Olin granted restricted stock units of 398,303 and 202,500, respectively, at a weighted average grant date fair value per share of $27.69 and $57.56, respectively. The fair value of each restricted stock unit was estimated on the date of grant using the current stock price. The awards typically vest ratably, on an annual basis, over three years, but not less than one year.

Stock Options

During the three months ended March 31, 2024, Olin granted stock options of 601,157 at a weighted-average grant date fair value per option of $24.79 and a weighted-average exercise price of $53.43. The fair value of each stock option granted, which typically vests ratably over three years, but not less than one year, was estimated on the date of grant, using the Black-Scholes option-pricing model.

NOTE 15. SHAREHOLDERS’ EQUITY

On December 11, 2024, our Board of Directors approved a share repurchase program with a $1.3 billion authorization (the 2024 Repurchase Authorization). The Board of Directors previously authorized share repurchases with a $2.0 billion authorization on July 28, 2022 (the 2022 Repurchase Authorization). The 2024 Repurchase Authorization and 2022 Repurchase Authorization will terminate upon the purchase of $1.3 billion and $2.0 billion of common stock, respectively.

For the three months ended March 31, 2025 and 2024,0.7 million and 2.0 million shares, respectively, of common stock were repurchased and retired at a total value of $20.2 million and $105.4 million, respectively. As of March 31, 2025,25.8 million shares of common stock have been repurchased and retired at a total value of $1,321.1 million under the 2022 Repurchase Authorization program, and $678.9 million of common stock remained authorized to be repurchased under the program. As of March 31, 2025, there have beenno repurchases under the 2024 Repurchase Authorization program and $1.3 billion remained available.

We issued less than 0.1 million and 0.8 million shares representing stock options exercised for the three months ended March 31, 2025 and 2024, respectively, with a total value of $1.9 million and $19.8 million, respectively.

The following table represents the activity included in accumulated other comprehensive loss:

Foreign Currency TranslationCash Flow HedgesPension and Postretirement BenefitsTotal
Accumulated Other Comprehensive Loss · ($ in millions)
Balance at January 1, 2024$(39.7)$(18.4)$(438.2)$(496.3)
Unrealized losses(2.3)(3.0)—(5.3)
Reclassification adjustments of losses into income—13.31.614.9
Tax provision—(2.6)(0.4)(3.0)
Net change(2.3)7.71.26.6
Balance at March 31, 2024$(42.0)$(10.7)$(437.0)$(489.7)
Balance at January 1, 2025$(45.9)$7.8$(412.0)$(450.1)
Unrealized (losses) gains(1.2)34.4—33.2
Reclassification adjustments of (gains) losses into income—(8.1)1.2(6.9)
Tax provision—(6.5)(0.3)(6.8)
Net change(1.2)19.80.919.5
Balance at March 31, 2025$(47.1)$27.6$(411.1)$(430.6)

Cost of goods sold included reclassification adjustments for realized gains and losses on derivative contracts from accumulated other comprehensive loss.

Non-operating pension income included the amortization of prior service costs and actuarial losses from accumulated other comprehensive loss.

NOTE 16. SEGMENT INFORMATION

The chief operating decision maker (CODM) is the individual, or group of individuals, who assess financial performance and determines resource allocation. Management has identified our Chief Executive Officer (CEO) as the CODM. In arriving at this conclusion, we considered that the individual who receives the relevant financial information, which is primarily provided in the form of segment operations reviews, is ultimately our CEO. Further, our CEO assesses the reasonableness of resource allocation, primarily in the form of capital allocation and budgetary analysis, and reviews segment results and resource allocation summaries prepared by segment management, consistent with their view of the business as a whole.

We define segment results as income (loss) before interest expense, interest income, other operating income (expense), non-operating pension income, other income and income taxes. We have three operating segments: Chlor Alkali Products and Vinyls, Epoxy, and Winchester. The three operating segments reflect the organization used by our management for purposes of allocating resources and assessing performance, and represents our reportable segments. Chlorine and caustic soda used in our Epoxy segment is transferred at cost from the Chlor Alkali Products and Vinyls segment.

Cost of goods sold at Corporate is primarily attributed to environmental expense. Other segment items for each reportable segment includes selling, general and administrative expenses and profit (loss) from other nonconsolidated affiliates. Segment assets include only those assets which are directly identifiable to an operating segment. Assets in the corporate/other segment primarily include cash and cash equivalents, deferred taxes and other assets. Sales are attributed to geographic areas based on the customer location.

Three Months Ended March 31, 2025
Chlor Alkali Products and VinylsEpoxyWinchesterCorp/OtherTotals
Segment Detail · ($ in millions)
Sales$924.5$331.7$388.0$—$1,644.2
Cost of goods sold802.0345.1342.65.81,495.5
Gross margin122.5(13.4)45.4(5.8)148.7
Other segment items(44.2)(15.0)(22.6)(19.2)(101.0)
Restructuring charges———(4.0)(4.0)
Interest expense———(48.5)(48.5)
Interest income———1.21.2
Non-operating pension income———5.75.7
Income (loss) before taxes$78.3$(28.4)$22.8$(70.6)$2.1
Other Items
Depreciation and amortization expense$107.2$12.8$9.5$2.7$132.2
Capital spending37.610.811.11.961.4
Assets5,358.5965.0825.3506.27,655.0
Segment Sales by Geography
United States$646.9$144.1$346.2$—$1,137.2
Europe33.2101.812.6—147.6
Other foreign244.485.829.2—359.4
Total sales$924.5$331.7$388.0$—$1,644.2
Three Months Ended March 31, 2024
Chlor Alkali Products and VinylsEpoxyWinchesterCorp/OtherTotals
Segment Detail · ($ in millions)
Sales$884.6$341.3$409.4$—$1,635.3
Cost of goods sold766.0339.1316.36.61,428.0
Gross margin118.62.293.1(6.6)207.3
Other segment items(42.0)(14.0)(20.9)(25.0)(101.9)
Restructuring charges———(8.3)(8.3)
Other operating income———0.20.2
Interest expense———(44.6)(44.6)
Interest income———0.80.8
Non-operating pension income———6.86.8
Income (loss) before taxes$76.6$(11.8)$72.2$(76.7)$60.3
Other Items
Depreciation and amortization expense$106.8$13.5$7.9$1.5$129.7
Capital spending31.04.98.10.344.3
Assets5,489.2991.4698.9431.87,611.3
Segment Sales by Geography
United States$635.6$171.3$382.0$—$1,188.9
Europe35.889.312.9—138.0
Other foreign213.280.714.5—308.4
Total sales$884.6$341.3$409.4$—$1,635.3
Three Months Ended March 31,
20252024
Segment Sales by Product Line · ($ in millions)
Chlor Alkali Products and Vinyls
Caustic soda$386.8$355.7
Chlorine, chlorine-derivatives and other products537.7528.9
Total Chlor Alkali Products and Vinyls924.5884.6
Epoxy
Aromatics and allylics141.0154.9
Epoxy resins190.7186.4
Total Epoxy331.7341.3
Winchester
Commercial155.9242.8
Military and law enforcement(1)232.1166.6
Total Winchester388.0409.4
Total sales$1,644.2$1,635.3

(1) For the three months ended March 31, 2025 and 2024, revenue recognized over time represented $58.4 million and $19.8 million, respectively, associated with governmental contracts within our Winchester business.

NOTE 17. ENVIRONMENTAL

We are party to various government and private environmental actions associated with past manufacturing facilities and former waste disposal sites. The condensed balance sheets included reserves for future environmental expenditures to investigate and remediate known sites amounting to $157.0 million, $156.5 million and $154.8 million at March 31, 2025,

December 31, 2024 and March 31, 2024, respectively, of which $127.0 million, $126.5 million and $122.8 million, respectively, were classified as other noncurrent liabilities.

Environmental provisions charged to income, which are included in costs of goods sold, were $5.0 million and $5.8 million for the three months ended March 31, 2025 and 2024, respectively.

Environmental exposures are difficult to assess for numerous reasons, including the identification of new sites, developments at sites resulting from investigatory studies, advances in technology, changes in environmental laws and regulations and their application, changes in regulatory authorities, the scarcity of reliable data pertaining to identified sites, the difficulty in assessing the involvement and financial capability of other Potentially Responsible Parties (PRPs), our ability to obtain contributions from other parties and the lengthy time periods over which site remediation occurs. It is possible that some of these matters (the outcomes of which are subject to various uncertainties) may be resolved unfavorably to us, which could materially adversely affect our financial position or results of operations.

NOTE 18. COMMITMENTS AND CONTINGENCIES

We, and our subsidiaries, are defendants in various legal actions (including proceedings based on alleged exposures to asbestos) incidental to our past and current business activities. As of March 31, 2025, December 31, 2024 and March 31, 2024, our condensed balance sheets included accrued liabilities for these other legal actions of $17.1 million, $19.7 million and $17.7 million, respectively. These liabilities do not include costs associated with legal representation. Based on our analysis, and considering the inherent uncertainties associated with litigation, we do not believe that it is reasonably possible that these legal actions will materially adversely affect our financial position, cash flows or results of operations.

During the ordinary course of our business, contingencies arise resulting from an existing condition, situation or set of circumstances involving an uncertainty as to the realization of a possible gain contingency. In certain instances, such as environmental projects, we are responsible for managing the cleanup and remediation of an environmental site. There exists the possibility of recovering a portion of these costs from other parties. We account for gain contingencies in accordance with the provisions of ASC 450 “Contingencies” and, therefore, do not record gain contingencies and recognize income until it is earned and realizable.

NOTE 19. DERIVATIVE FINANCIAL INSTRUMENTS

We are exposed to market risk in the normal course of our business operations due to our purchases of certain commodities, our ongoing investing and financing activities and our operations that use foreign currencies. The risk of loss can be assessed from the perspective of adverse changes in fair values, cash flows and future earnings. We have established policies and procedures governing our management of market risks and the use of financial instruments to manage exposure to such risks. ASC 815 “Derivatives and Hedging” (ASC 815) requires an entity to recognize all derivatives as either assets or liabilities in the condensed balance sheets and measure those instruments at fair value. In accordance with ASC 815, we designate derivative contracts as cash flow hedges of forecasted purchases of commodities and forecasted interest payments related to variable-rate borrowings and designate certain interest rate swaps as fair value hedges of fixed-rate borrowings. We do not enter into any derivative instruments for trading or speculative purposes.

Energy costs, including electricity and natural gas, and certain raw materials used in our production processes are subject to price volatility. Depending on market conditions, we may enter into futures contracts, forward contracts, commodity swaps and put and call option contracts in order to reduce the impact of commodity price fluctuations. The majority of our commodity derivatives expire within one year.

We actively manage currency exposures that are associated with net monetary asset positions, currency purchases and sales commitments denominated in foreign currencies and foreign currency denominated assets and liabilities created in the normal course of business. We enter into forward sales and purchase contracts to manage currency risk to offset our net exposures, by currency, related to the foreign currency denominated monetary assets and liabilities of our operations. All of the currency derivatives expire within one year and are for U.S. dollar (USD) equivalents. The counterparties to the forward contracts are large financial institutions; however, the risk of loss to us in the event of nonperformance by a counterparty could be significant to our financial position or results of operations. We had the following notional amounts of outstanding forward contracts to buy and sell foreign currency:

March 31, 2025December 31, 2024March 31, 2024
Notional Value - Foreign Currency · ($ in millions)
Buy$——$167.1
Sell122.7133.7154.6

Cash Flow Hedges

For derivative instruments that are designated and qualify as a cash flow hedge, the change in fair value of the derivative is recognized as a component of other comprehensive income (loss) until the hedged item is recognized in earnings.

We had the following notional amounts of outstanding commodity contracts that were entered into to hedge forecasted purchases:

March 31, 2025December 31, 2024March 31, 2024
Notional Value - Commodity · ($ in millions)
Natural gas$40.4$57.4$61.0
Ethane15.022.630.0
Metals98.0124.5148.9
Total notional$153.4$204.5$239.9

As of March 31, 2025, the counterparties to these commodity contracts were Wells Fargo Bank, N.A., Citibank, N.A., JPMorgan Chase Bank, National Association, Toronto Dominion Bank and Bank of America Corporation, all of which are major financial institutions.

We use cash flow hedges for certain raw material and energy costs such as copper, zinc, ethane, electricity and natural gas to provide a measure of stability in managing our exposure to price fluctuations associated with forecasted purchases of raw materials and energy used in our manufacturing process. At March 31, 2025, we had open derivative contract positions through 2028. If all open futures contracts had been settled on March 31, 2025, we would have recognized a pretax gain of $36.5 million.

If commodity prices were to remain at March 31, 2025 levels, approximately $25.9 million of deferred gains, net of tax, would be reclassified into earnings during the next twelve months. The actual effect on earnings will be dependent on actual commodity prices when the forecasted transactions occur.

Fair Value Hedges

We use interest rate swaps as a means of managing interest expense and floating interest rate exposure to optimal levels. For derivative instruments that are designated and qualify as a fair value hedge, the gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in current earnings. We include the gain or loss on the hedged items (fixed-rate borrowings) in the same line item, interest expense, as the offsetting loss or gain on the related interest rate swaps. There were no outstanding interest rate swaps at March 31, 2025, December 31, 2024 and March 31, 2024.

Financial Statement Impacts

We present our derivative assets and liabilities in our condensed balance sheets on a net basis whenever we have a legally enforceable master netting agreement with the counterparty to our derivative contracts. We use these agreements to manage and substantially reduce our potential counterparty credit risk.

The following table summarizes the location and fair value of the derivative instruments on our condensed balance sheets:

March 31, 2025 · December 31, 2024 · March 31, 2024
Balance Sheet Location · ($ in millions)
Current Assets
Commodity contractsOther current assets$34.0$11.9$5.8
Foreign currency contractsOther current assets—2.60.5
Noncurrent Assets
Commodity contractsOther assets2.52.04.6
Total derivative assets(1)$36.5$16.5$10.9
Current Liabilities
Commodity contractsAccrued liabilities$—$3.3$24.3
Foreign currency contractsAccrued liabilities1.2—1.1
Noncurrent Liabilities
Commodity contractsOther liabilities—0.40.3
Total derivative liabilities(1)$1.2$3.7$25.7

(1) Does not include the impact of cash collateral received from or provided to counterparties, if any.

The following table summarizes the effects of derivative instruments on our condensed statements of operations:

Amount of Gain (Loss) for the
Three Months Ended March 31,
2025 · 2024
Location of Gain (Loss) · ($ in millions)
Cash Flow Hedges
Commodity contractsOther comprehensive income (loss)$34.4$(3.0)
Commodity contractsCost of goods sold8.1(13.3)
Not Designated as Hedging Instruments
Foreign exchange contractsSelling and administrative(7.0)0.8

Credit Risk and Collateral

By using derivative instruments, we are exposed to credit and market risk. If a counterparty fails to fulfill its performance obligations under a derivative contract, our credit risk will equal the fair value gain in a derivative. Generally, when the fair value of a derivative contract is positive, this indicates that the counterparty owes us, thus creating a repayment risk for us. When the fair value of a derivative contract is negative, we owe the counterparty and, therefore, assume no repayment risk. We minimize the credit (or repayment) risk in derivative instruments by entering into transactions with high-quality counterparties. We monitor our positions and the credit ratings of our counterparties, and we do not anticipate non-performance by the counterparties.

Based on the agreements with our various counterparties, cash collateral is required to be provided when the net fair value of the derivatives, with the counterparty, exceeds a specific threshold. If the threshold is exceeded, cash is either provided by the counterparty to us if the value of the derivatives is our asset, or cash is provided by us to the counterparty if the value of the derivatives is our liability. As of March 31, 2025, December 31, 2024 and March 31, 2024, this threshold was not exceeded. In all instances where we are party to a master netting agreement, we offset the receivable or payable recognized upon payment of cash collateral against the fair value amounts recognized for derivative instruments that have also been offset under such master netting agreements.

NOTE 20. FAIR VALUE MEASUREMENTS

Fair value is defined as the price at which an asset could be exchanged in a current transaction between knowledgeable, willing parties or the amount that would be paid to transfer a liability to a new obligor, not the amount that would be paid to settle the liability with the creditor. Where available, fair value is based on observable market prices or parameters or derived from such prices or parameters. Where observable prices or inputs are not available, valuation models are applied. These valuation techniques involve some level of management estimation and judgment, the degree of which is dependent on the price transparency for the instruments or market and the instruments’ complexity.

Assets and liabilities recorded at fair value in the condensed balance sheets are categorized based upon the level of judgment associated with the inputs used to measure their fair value. Hierarchical levels, defined by ASC 820 “Fair Value Measurement” (ASC 820), and directly related to the amount of subjectivity associated with the inputs to fair valuation of these assets and liabilities, are as follows:

Level 1 — Inputs were unadjusted, quoted prices in active markets for identical assets or liabilities at the measurement date.

Level 2 — Inputs (other than quoted prices included in Level 1) were either directly or indirectly observable for the asset or liability through correlation with market data at the measurement date and for the duration of the instrument’s anticipated life.

Level 3 — Inputs reflected management’s best estimate of what market participants would use in pricing the asset or liability at the measurement date. Consideration was given to the risk inherent in the valuation technique and the risk inherent in the inputs to the model.

We are required to separately disclose assets and liabilities measured at fair value on a recurring basis, from those measured at fair value on a nonrecurring basis. Nonfinancial assets measured at fair value on a nonrecurring basis are intangible assets and goodwill, which are reviewed for impairment annually in the fourth quarter and/or when circumstances or other events indicate that impairment may have occurred.

Commodity Contracts

We use commodity derivative contracts for certain raw materials and energy costs such as copper, zinc, ethane, electricity and natural gas to provide a measure of stability in managing our exposure to price fluctuations. Commodity contract financial instruments were valued primarily based on prices and other relevant information observable in market transactions involving identical or comparable assets or liabilities including both forward and spot prices for commodities. All commodity financial instruments were valued as a Level 2 under the fair value measurements hierarchy.

Foreign Currency Contracts

We enter into forward sales and purchase contracts to manage currency risk resulting from purchase and sale commitments denominated in foreign currencies. Foreign currency contract financial instruments were valued primarily based on relevant information observable in market transactions involving identical or comparable assets or liabilities including both forward and spot prices for currencies. All foreign currency contract financial instruments were valued as a Level 2 under the fair value measurements hierarchy.

Financial Instruments

The carrying values of cash and cash equivalents, accounts receivable and accounts payable approximated fair values due to the short-term maturities of these instruments. Since our long-term debt instruments may not be actively traded, the inputs used to measure the fair value of our long-term debt are based on current market rates for debt of similar risk and maturities and is classified as Level 2 in the fair value measurement hierarchy. As of March 31, 2025, December 31, 2024 and March 31, 2024, the fair value measurements of debt were $2,982.4 million, $2,779.0 million and $2,725.7 million, respectively.

Nonrecurring Fair Value Measurements

In addition to assets and liabilities that are recorded at fair value on a recurring basis, we record assets and liabilities at fair value on a nonrecurring basis as required by ASC 820. There were no assets or liabilities measured at fair value on a nonrecurring basis as of March 31, 2025, December 31, 2024 or March 31, 2024.

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