Alto Ingredients, Inc. 10-Q

ITEM 5. OTHER INFORMATION. Not applicable. 42 ITEM 6. EXHIBITS. Exhibit Number Description 31.1 Certifications Required by Rule 13a-14(a) of the Securities Exchange Act of 1934, as amended, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (*) 31.2 Certifications Required by Rule 13a-14(a) of the Securities Exchange Act of 1934, as amended, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (*) 32.1 Certification of Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (*) 101.INS Inline XBRL Instance Document (*) 101.SCH Inline XBRL Taxonomy Extension Schema Document (*) 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document (*) 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document (*) 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document (*) 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document (*) 104 Cover Page Interactive Data File (formatted as Inline XBRL with applicable taxonomy extension information contained in Exhibits 101) (*) (*) Filed herewith. 43 SIGNATURES 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. ALTO INGREDIENTS, INC. Dated: May 9, 2023 By: /s/ BRYON T. MCGREGOR Bryon T. McGregor Chief Financial Officer (Principal Financial and Accounting Officer) 44