Aeolus Pharmaceuticals (AOLS) 10-Q 2012 Q2 Quarterly report

EXHIBIT 32.1

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. SECTION 1350)

In connection with the Quarterly Report of Aeolus Pharmaceuticals, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2012, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned, John L. McManus, Principal Executive Officer of the Company, and Russell Skibsted, Principal Financial and Accounting Officer of the Company, each certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

 Date: May 14, 2012

/s/ John L. McManus                                       

John L. McManus

President and Chief Executive Officer

(Principal Executive Officer)

Date: May 14, 2012

/s/ Russell Skibsted                                          

Russell Skibsted

Chief Financial Officer and Secretary

(Principal Financial and Accounting Officer)

THIS CERTIFICATION “ACCOMPANIES” THE QUARTERLY REPORT, IS NOT DEEMED FILED WITH THE SEC AND IS NOT TO BE INCORPORATED BY REFERENCE INTO ANY FILING OF THE COMPANY UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED (WHETHER MADE BEFORE OR AFTER THE DATE OF THE QUARTERLY REPORT), IRRESPECTIVE OF ANY GENERAL INCORPORATION LANGUAGE CONTAINED IN SUCH FILING. A SIGNED ORIGINAL OF THIS CERTIFICATION HAS BEEN PROVIDED TO THE COMPANY AND WILL BE RETAINED BY THE COMPANY AND FURNISHED TO THE SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.