LSB INDUSTRIES, INC. 10-Q

Item 5. Other Information Not applicable Item 6. Exhibits See “Index to Exhibits” on page 39. 38 Index to Exhibits Item Exhibit Number Exhibit Title Incorporated by Reference to the Following 3(i).1 Restated Certificate of Incorporation of LSB Industries, Inc., dated January 21, 1977, as amended August 27, 1987 Exhibit 3(i).1 to the Company’s Form 10-K filed on February 28, 2013 3(ii).1 Amended and Restated Bylaws of LSB Industries, Inc. dated August 20, 2009, as amended February 18, 2010, January 17, 2014, February 4, 2014 and August 21, 2014 Exhibit 3(ii).1 to the Company’s Form 8-K filed August 27, 2014 3(ii).2 Fifth Amendment to the Amended and Restated Bylaws of LSB Industries, Inc., dated as of April 26, 2015 Exhibit 3(ii) to the Company’s Form 8-K filed April 30, 2015 3(ii).3 Sixth Amendment to the Amended and Restated Bylaws of LSB Industries, Inc., dated as of December 2, 2015 Exhibit 3(ii) to the Company’s Form 8-K filed December 8, 2015 3(ii).4 Seventh Amendment to the Amended and Restated Bylaws of LSB Industries, Inc., dated as of December 22, 2015 Exhibit 3(ii) to the Company’s Form 8-K filed December 29, 2015 3.1 Certificate of Designations of Series G Class C Preferred Stock of LSB Industries, Inc., as filed with the Secretary of State of the State of Delaware on July 6, 2020. Exhibit 3.1 to the Company’s Form 8-K filed July 6, 2020 31.1(a) Certification of Mark T. Behrman, Chief Executive Officer, pursuant to Sarbanes-Oxley Act of 2002, Section 302 31.2(a) Certification of Cheryl A. Maguire, Chief Financial Officer, pursuant to Sarbanes-Oxley Act of 2002, Section 302 32.1(b) Certification of Mark T. Behrman , Chief Executive Officer, furnished pursuant to Sarbanes-Oxley Act of 2002, Section 906 32.2(b) Certification of Cheryl A. Maguire , Chief Financial Officer, furnished pursuant to Sarbanes-Oxley Act of 2002, Section 906 101.INS(a) Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. 101.SCH(a) Inline XBRL Taxonomy Extension Schema Document 101.CAL(a) Inline XBRL Taxonomy Extension Calculation Linkbase Document 101.DEF(a) Inline XBRL Taxonomy Extension Definition Linkbase Document 101.LAB(a) Inline XBRL Taxonomy Extension Labels Linkbase Document 101.PRE(a) Inline XBRL Taxonomy Extension Presentation Linkbase Document 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) (a) Filed herewith (b) Furnished herewith 39 SIGNATURES 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 29 th day of April 2021. LSB INDUSTRIES, INC. /s/ Cheryl A. Maguire Cheryl A. Maguire Executive Vice President and Chief Financial Officer (Principal Financial Officer) /s/ Harold L. Rieker, Jr. Harold L. Rieker, Jr. Vice President – Financial Reporting (Principal Accounting Officer) 40