LSB INDUSTRIES INC

Adoption of 10b5-1 Trading Plans by Our Officers and Directors

During our fiscal quarter ended June 30, 2024, the directors and officers (as defined in Rule 16a-1(f) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) identified below entered into contracts, instructions or written plans for the purchase or sale of our securities that are intended to satisfy the conditions specified in Rule 10b5-1(c) under the Exchange Act for an affirmative defense against liability for trading in securities on the basis of material nonpublic information. We refer to these contracts, instructions, and written plans as “Rule 10b5-1 trading plans” and each one as a “Rule 10b5-1 trading plan.”

Mark T. Behrman, President and Chief Executive Officer

On May 3, 2024, Mark T. Behrman, our President and Chief Executive Officer and a member of our board of directors, entered into a Rule 10b5-1 trading plan providing that Mr. Behrman, acting through a broker, may sell up to an aggregateof 250,000 shares of our common stock. As of June 30, 2024, Mr. Behrman held securities representing an aggregate of 1,963,925 vested and unvested shares of common stock. Sales of shares under the plan may only occur from August 6, 2024 to August 1, 2025 and the plan is scheduled to terminate on August 1, 2025, 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. Behrman or the broker, or as otherwise provided in the plan.

Cheryl A. Maguire, Executive Vice President and Chief Financial Officer

On May 22, 2024, Cheryl A. Maguire, our Executive Vice President and Chief Financial Officer, entered into a Rule 10b5-1 trading plan providing that Ms. Maguire, acting through a broker, may sell up to an aggregate of 85,000 shares of our common stock. As of June 30, 2024, Ms. Maguire held securities representing an aggregate of 337,017 vested and unvested shares of common stock. Sales of shares under the plan may occur from August 21, 2024 to May 22, 2025 and the plan is scheduled to terminate on May 22, 2025, subjectto 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. Maguire or the broker, or as otherwise provided in the plan.