LXU · Lsb Industries, Inc.

Purchase of stock reported on this Form 4 was executed pusuant to a 10b5-1 trading plan adopted by the Reporting Person on May 13, 2026.

This transaction was executed by Jonathan Z. Ackerman in multiple trades at prices ranging from $9.78 to $9.96. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Sale of stock reported on this Form 4 was affected pusuant to a 10b5-1 trading plan adopted by the Reporting Person on March 11, 2026

This transaction was executed by Lynn F. White in multiple trades at prices ranging from $11.64 to $12.10. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Sale of stock reported on this Form 4 was affected pusuant to a 10b5-1 trading plan adopted by the Reporting Person on March 9, 2026

This transaction was executed by Kristy D. Carver in multiple trades at prices ranging from $12.29 to $12.63. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Restricted Stock Units granted pursuant to the LSB Industries, Inc. 2025 Long Term Incentive Plan. Each Restricted Stock Unit represents a right to receive one share of common stock of LXU which, following the May 22, 2026 grant date, shall be nonforfeitable.

Restricted Stock Units granted pursuant to the LSB Industries, Inc. 2025 Long Term Incentive Plan. Each Restricted Stock Unit represents a right to receive one share of common stock of LXU which, following the May 22, 2026 grant date, shall be nonforfeitable.

Restricted Stock Units granted pursuant to the LSB Industries, Inc. 2025 Long Term Incentive Plan. Each Restricted Stock Unit represents a right to receive on share of common stock of LXU which, following the May 22, 2026 grant date, shall be nonforfeitable.

Restricted Stock Units granted pursuant to the LSB Industries, Inc. 2025 Long Term Incentive Plan. Each Restricted Stock Unit represents a right to receive one share of common stock of LXU which, following the May 22, 2026 grant date, shall be nonforfeitable.

Restricted Stock Units granted pursuant to the LSB Industries, Inc. 2025 Long Term Incentive Plan. Each Restricted Stock Unit represents a right to receive one share of common stock of LXU which, following the May 22, 2026 grant date, shall be nonforfeitable. Pursuant to the terms of the LSB Industries, Inc. Nonqualified Deferred Compensation Plan for Non-Employee Directors, the Restricted Stock Units will be settled in common stock of LXU within 90 days following the earlier to occur of: (i) the director's separation from service and (ii) the occurrence of a change of control.

Grant of time-based Restricted Stock Units pursuant to the Company's 2025 Long Term Incentive Plan.

Represents shares of common stock of the Issuer directly held by TLB-LSB, LLC, of which Todd L. Boehly is the sole member.

Sale of stock reported on this Form 4 was affected pursuant to a 10b5-1 trading plan adoped by the Reporting Person on March 13, 2025.

Sale of stock reported on this Form 4 was affected pusuant to a 10b5-1 trading plan adopted by the Reporting Person on October 31, 2025.

This transaction was executed by Mark T. Behrman in multiple trades at prices ranging from $11.54 to $11.94. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission (the "SEC") staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Sale of stock reported on this Form 4 was affected pusuant to a 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.12, inclusive. The reporting person undertakes to provide to Issuer, any security holder of the Issuer, or the staff of SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The sales of shares of common stock reported on this Form 4 were effected pursuant to 10b5-1 trading plans adopted by the Irrevocable Family Trusts on September 4, 2025.

These shares are held by separate irrevocable trusts established for the benefit of the reporting person and the reporting person's children and grandchildren (collectively, the "Irrevocable Family Trusts"), of which the reporting person is the trustee. The amount shown is the aggregate number of shares held in the Irrevocable Family Trusts. No single Irrevocable Family Trust has more than one beneficiary. Because the reporting person is trustee of the Irrevocable Family Trusts, of which the beneficiaries are either the reporting person or his children or grandchildren, the reporting person is deemed to have a pecuniary interest in the Issuer's common stock held by the Irrevocable Family Trusts, pursuant to Rule 16a-8(b)(2)(ii).

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.12, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The sales of shares of common stock reported on this Form 4 were effected pursuant to 10b5-1 trading plans adopted by BGG on September 4, 2025.

These shares are owned of record by BGG. Each of the reporting person and his spouse is a manager of BGG and has a 50% ownership interest in BGG.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.09, inclusive. The reporting person undertakes to provide to Issuer, any security holder of the Issuer, or the staff of SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The sales of shares of common stock reported on this Form 4 were effected pursuant to 10b5-1 trading plans adopted by the Irrevocable Family Trusts on September 4, 2025.

These shares are held by separate irrevocable trusts established for the benefit of the reporting person and the reporting person's children and grandchildren (collectively, the "Irrevocable Family Trusts"), of which the reporting person is the trustee. The amount shown is the aggregate number of shares held in the Irrevocable Family Trusts. No single Irrevocable Family Trust has more than one beneficiary. Because the reporting person is trustee of the Irrevocable Family Trusts, of which the beneficiaries are either the reporting person or his children or grandchildren, the reporting person is deemed to have a pecuniary interest in the Issuer's common stock held by the Irrevocable Family Trusts, pursuant to Rule 16a-8(b)(2)(ii).

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.09, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The sales of shares of common stock reported on this Form 4 were effected pursuant to 10b5-1 trading plans adopted by BGG on September 4, 2025.

These shares are owned of record by BGG. Each of the reporting person and his spouse is a manager of BGG and has a 50% ownership interest in BGG.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.01, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The sales of shares of common stock reported on this Form 4 were effected pursuant to 10b5-1 trading plans adopted by BGG Family LLC ("BGG") on September 4, 2025.

These shares are owned of record by BGG. Each of the reporting person and his spouse is a manager of BGG and has a 50% ownership interest in BGG.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.01, inclusive. The reporting person undertakes to provide to LSB Industries, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The sales of shares of common stock reported on this Form 4 were effected pursuant to 10b5-1 trading plans adopted by the Irrevocable Family Trusts (defined below) on September 4, 2025.

These shares are held by separate irrevocable trusts established for the benefit of the reporting person and the reporting person's children and grandchildren (collectively, the "Irrevocable Family Trusts"), of which the reporting person is the trustee. The amount shown is the aggregate number of shares held in the Irrevocable Family Trusts. No single Irrevocable Family Trust has more than one beneficiary. Because the reporting person is trustee of the Irrevocable Family Trusts, of which the beneficiaries are either the reporting person or his children or grandchildren, the reporting person is deemed to have a pecuniary interest in the Issuer's common stock held by the Irrevocable Family Trusts, pursuant to Rule 16a-8(b)(2)(ii).

Grant of time-based Restricted Stock Units pursuant to the Company's 2025 Long Term Incentive Plan.

Grant of time-based Restricted Stock Units pursuant to the Company's 2025 Long Term Incentive Plan.

Grant of time-based Restricted Stock Units pursuant to the Company's 2025 Long Term Incentive Plan.

Grant of time-based Restricted Stock Units pursuant to the Company's 2025 Long Term Incentive Plan.

Grant of time-based Restricted Stock Units pursuant to the Company's 2025 Long Term Incentive Plan.

Grant of time-based Restricted Stock Units pursuant to the Company's 2025 Long Term Incentive Plan.

Represents shares of common stock of the Issuer acquired by the reporting person upon the vesting of performance-based restricted stock units previously granted to the reporting person under the LSB Industries, Inc. 2016 Long Term Incentive Plan.

Represents shares of common stock of the Issuer acquired by the reporting person upon the vesting of performance-based restricted stock units previously granted to the reporting person under the LSB Industries, Inc. 2016 Long Term Incentive Plan.

Represents shares of common stock of the Issuer withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units described in footnote (2) above. No shares were sold in this transaction.

Represents shares of common stock of the Issuer acquired by the reporting person upon the vesting of performance-based restricted stock units previously granted to the reporting person under the LSB Industries, Inc. 2016 Long Term Incentive Plan.

Represents shares of common stock of the Issuer withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units described in footnote (2) above. No shares were sold in this transaction.

Represents shares of common stock of the Issuer acquired by the reporting person upon the vesting of performance-based restricted stock units previously granted to the reporting person under the LSB Industries, Inc. 2016 Long Term Incentive Plan.

Represents shares of common stock of the Issuer withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units described in footnote (2) above. No shares were sold in this transaction.

Represents shares of common stock of the Issuer acquired by the reporting person upon the vesting of performance-based restricted stock units previously granted to the reporting person under the LSB Industries, Inc. 2016 Long Term Incentive Plan.

Represents shares of common stock of the Issuer withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units described in footnote (2) above. No shares were sold in this transaction.

Represents shares of common stock of LSB Industries, Inc. (the "Issuer") withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of time-based restricted stock units previously granted to the reporting person under the LSB Industries, Inc. 2016 Long Term Incentive Plan. No shares were sold in this transaction.

Represents shares of common stock of LSB Industries, Inc. (the "Issuer") withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of time-based restricted stock units previously granted to the reporting person under the LSB Industries, Inc. 2016 Long Term Incentive Plan. No shares were sold in this transaction.

Represents shares of common stock of LSB Industries, Inc. (the "Issuer") withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of time-based restricted stock units previously granted to the reporting person under the LSB Industries, Inc. 2016 Long Term Incentive Plan. No shares were sold in this transaction.

Represents shares of common stock of LSB Industries, Inc. (the "Issuer") withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of time-based restricted stock units previously granted to the reporting person under the LSB Industries, Inc. 2016 Long Term Incentive Plan. No shares were sold in this transaction.

Represents shares of common stock of the Issuer withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units described in footnote (2) above. No shares were sold in this transaction.

Represents shares of common stock of LSB Industries, Inc. (the "Issuer") withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of time-based restricted stock units previously granted to the reporting person under the LSB Industries, Inc. 2016 Long Term Incentive Plan. No shares were sold in this transaction.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.10, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The sales of shares of common stock reported on this Form 4 were effected pursuant to 10b5-1 trading plans adopted by BGG on September 4, 2025.

These shares are owned of record by BGG. Each of the reporting person and his spouse is a manager of BGG and has a 50% ownership interest in BGG.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.10, inclusive. The reporting person undertakes to provide to Issuer, any security holder of the Issuer, or the staff of SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The sales of shares of common stock reported on this Form 4 were effected pursuant to 10b5-1 trading plans adopted by the Irrevocable Family Trusts on September 4, 2025.

These shares are held by separate irrevocable trusts established for the benefit of the reporting person and the reporting person's children and grandchildren (collectively, the "Irrevocable Family Trusts"), of which the reporting person is the trustee. The amount shown is the aggregate number of shares held in the Irrevocable Family Trusts. No single Irrevocable Family Trust has more than one beneficiary. Because the reporting person is trustee of the Irrevocable Family Trusts, of which the beneficiaries are either the reporting person or his children or grandchildren, the reporting person is deemed to have a pecuniary interest in the Issuer's common stock held by the Irrevocable Family Trusts, pursuant to Rule 16a-8(b)(2)(ii).

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.07, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The sales of shares of common stock reported on this Form 4 were effected pursuant to 10b5-1 trading plans adopted by BGG on September 4, 2025.

These shares are owned of record by BGG. Each of the reporting person and his spouse is a manager of BGG and has a 50% ownership interest in BGG.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.07, inclusive. The reporting person undertakes to provide to Issuer, any security holder of the Issuer, or the staff of SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The sales of shares of common stock reported on this Form 4 were effected pursuant to 10b5-1 trading plans adopted by the Irrevocable Family Trusts on September 4, 2025.

These shares are held by separate irrevocable trusts established for the benefit of the reporting person and the reporting person's children and grandchildren (collectively, the "Irrevocable Family Trusts"), of which the reporting person is the trustee. The amount shown is the aggregate number of shares held in the Irrevocable Family Trusts. No single Irrevocable Family Trust has more than one beneficiary. Because the reporting person is trustee of the Irrevocable Family Trusts, of which the beneficiaries are either the reporting person or his children or grandchildren, the reporting person is deemed to have a pecuniary interest in the Issuer's common stock held by the Irrevocable Family Trusts, pursuant to Rule 16a-8(b)(2)(ii).

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.16, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The sales of shares of common stock reported on this Form 4 were effected pursuant to 10b5-1 trading plans adopted by BGG Family LLC ("BGG") on September 4, 2025.

These shares are owned of record by BGG. Each of the reporting person and his spouse is a manager of BGG and has a 50% ownership interest in BGG.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.16, inclusive. The reporting person undertakes to provide to LSB Industries, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The sales of shares of common stock reported on this Form 4 were effected pursuant to 10b5-1 trading plans adopted by the Irrevocable Family Trusts on September 4, 2025.

These shares are held by separate irrevocable trusts established for the benefit of the reporting person and the reporting person's children and grandchildren (collectively, the "Irrevocable Family Trusts"), of which the reporting person is the trustee. The amount shown is the aggregate number of shares held in the Irrevocable Family Trusts. No single Irrevocable Family Trust has more than one beneficiary. Because the reporting person is trustee of the Irrevocable Family Trusts, of which the beneficiaries are either the reporting person or his children or grandchildren, the reporting person is deemed to have a pecuniary interest in the Issuer's common stock held by the Irrevocable Family Trusts, pursuant to Rule 16a-8(b)(2)(ii).

Sale of stock reported on this Form 4 was affected pursuant to a 10b5-1 trading plan adoped by the Reporting Person on March 13, 2025.

This transaction was executed by Cheryl A. Maguire in multiple trades at prices ranging from $10.01 to $10.04. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Shares withheld to pay taxes upon vesting of Restricted Stock Award previously awarded pursuant to the Company's 2025 Long Term Incentive Plan.

Shares withheld to pay taxes upon vesting of Restricted Stock Award previously awarded pursuant to the Company's 2025 Long Term Incentive Plan.

Shares withheld to pay taxes upon vesting of Restricted Stock Award previously awarded pursuant to the Company's 2025 Long Term Incentive Plan.