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Adoption of 10b5-1 Trading Plans by Our Officers and Directors
−Removed: Golsen, Member of the Board of Directors
−Removed: On September 4, 2025 , Barry H.
−Removed: Golsen , a member of our board of directors , entered into Rule 10b5-1 trading plans for the benefit of certain trusts of which he is the trustee, that are intended to satisfy the affirmative defense of Rule 10b5-1(c) and provide that Mr.
−Removed: Golsen, acting through a broker, may sell up to an aggregate of 582,172 shares of our common stock, subject to adjustments for stock splits, stock combinations, stock dividends and other similar changes to our common stock.
−Removed: Sales of shares under the plans may only occur from December 4, 2025 to December 1, 2027 .
−Removed: The plans are scheduled to terminate on December 1, 2027 , subject to earlier termination upon the sale of all shares subject to the applicable plan or the expiration of all sale orders under the plan, upon termination by Mr.
−Removed: Golsen or the broker, or as otherwise provided in the plans.
−Removed: Other than as described above, during the three months ended September 30, 2025, none of the Company’s directors or executive officers adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.
+Added: Carver, Senior Vice President and Treasurer
+Added: On March 9, 2026 , Kristy D.
+Added: Carver , our Senior Vice President and Treasurer , entered into a Rule 10b5-1 trading plan that is intended to satisfy the affirmative defense of Rule 10b5-1(c) and provides that Ms.
+Added: Carver, acting through a broker, may sell up to an aggregate of 29,554 shares of our common stock, subject to adjustments for stock splits, stock combinations, stock dividends and other similar changes to our common stock.
+Added: Sales of shares under the plan may only occur from June 8, 2026 to February 26, 2027 .
+Added: The plan is scheduled to terminate on February 26, 2027 , subject to earlier termination upon the sale of all shares subject to the plan or the expiration of all sale orders under the plan, upon termination by Ms.
+Added: Carver or the broker, or as otherwise provided in the plan.
+Added: Foster, Executive Vice President, General Counsel and Secretary
+Added: On March 11, 2026 , Michael J.
+Added: Foster , our Executive Vice President, General Counsel and Secretary , entered into a Rule 10b5-1 trading plan that is intended to satisfy the affirmative defense of Rule 10b5-1(c) and provides that Mr.
+Added: Foster, acting through a broker, may sell up to an aggregate of 29,800 shares of our common stock, subject to adjustments for stock splits, stock combinations, stock dividends and other similar changes to our common stock.
+Added: Sales of shares under the plan may only occur from June 10, 2026 to July 30, 2027.
+Added: The plan is scheduled to terminate on July 30, 2027 , subject to earlier termination upon the sale of all shares subject to the plan or the expiration of all sale orders under the plan, upon termination by Mr.
+Added: Foster or the broker, or as otherwise provided in the plan.
+Added: White, Member of the Board of Directors
+Added: On March 11, 2026 , Lynn F.
+Added: White , a member of our board of directors , entered into Rule 10b5-1 trading plan that is intended to satisfy the affirmative defense of Rule 10b5-1(c) and provides that Mr.
+Added: White, acting through a broker, may sell up to an aggregate of 40,000 shares of our common stock, subject to adjustments for stock splits, stock combinations, stock dividends and other similar changes to our common stock.
+Added: Sales of shares under the plan may only occur from June 10, 2026 to June 10, 2027.
+Added: The plan is scheduled to terminate on June 10, 2027 , subject to earlier termination upon the sale of all shares subject to the plan or the expiration of all sale orders under the plan, upon termination by Mr.
+Added: White or the broker, or as otherwise provided in the plan.
+Added: Maguire, Executive Vice President and Chief Financial Officer,
+Added: On March 12, 2026 , Cheryl A.
+Added: Maguire , our Executive Vice President and Chief Financial Officer , entered into a Rule 10b5-1 trading plan that is intended to satisfy the affirmative defense of Rule 10b5-1(c) and provides that Ms.
+Added: Maguire, acting through a broker, may sell up to an aggregate of 20,000 shares of our common stock, subject to adjustments for stock splits, stock combinations, stock dividends and other similar changes to our common stock.
+Added: Sales of shares under the plan may only occur from June 11, 2026 to June 11, 2027 .
+Added: The plan is scheduled to terminate on June 11, 2027 , subject to earlier termination upon the sale of all shares subject to the plan or the expiration of all sale orders under the plan, upon termination by Ms.
+Added: Maguire or the broker, or as otherwise provided in the plan.
+Added: Other than as described above, during the three months ended March 31, 2026, none of the Company’s directors or executive officers adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.
See “Index to Exhibits” on page 33 .
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Exhibit 3(i).2 to the Company’s Registration Statement on Form S-3 filed on November 16, 2021
−Removed: Second Amended and Restated Bylaws of LSB Industries, Inc., as amended by the December 17, 2024 amendment
−Removed: Exhibit 3(ii).1 to the Company’s Form 10-K filed February 27, 2025
+Added: Third Amended and Restated Bylaws of LSB Industries, Inc.
+Added: Severance and Change in Control Agreement, dated January 14, 2026, by and between LSB Industries, Inc.
+Added: and Damien J.
+Added: Exhibit 10.1 to the Company’s Form 8-K filed on January 21, 2026
+Added: Severance and Change in Control Agreement, dated January 14, 2026, by and between LSB Industries, Inc.
+Added: Exhibit 10.2 to the Company’s Form 8-K filed on January 21, 2026
+Added: Side Letter Agreement, dated February 10, 2026, by and between LSB Industries, Inc.
+Added: Form of Restricted Stock Unit Agreement (Executive Officers – 2026) under the LSB Industries, Inc.
+Added: 2025 Long-Term Incentive Plan
Certification of Mark T.
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under the Securities Act of 1933, as amended, whether made before or after the date of this Quarterly Report on Form 10-Q, irrespective of any general incorporation language contained in such filing.
−Removed: Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Company has caused the undersigned, duly authorized, to sign this report on its behalf on this 30 th day of October 2025.
+Added: Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
LSB INDUSTRIES, INC.
+Added: April 30, 2026
/s/ Cheryl A.
2 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.