Timberline Resources (TLRS) 10-K/A 2015 FY Annual report (amended)

EXHIBIT 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Timberline Resources Corporation (the “Company”) on Form 10-K/A for the year ended September 30, 2015, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Steven A. Osterberg, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(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: March 3, 2016 By:   /s/ Steven A. Osterberg         Steven A. Osterberg         President & Chief Executive Officer Principal Executive Officer and Principal Financial Officer

The foregoing certification is being furnished solely pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Section 1350 of Chapter 63 of Title 18 of the United States Code) and is not being filed as part of the Report or as a separate disclosure document.