CERTIFICATION OF CHIEF EXECUTIVE OFFICER UNDER SECTION 906
Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Pieris Pharmaceuticals, Inc. (the Company) hereby certifies, to his knowledge, that:
(i) the accompanying Quarterly Report on Form 10-Q of the Company for the fiscal quarter ended March 31, 2015 (the Report) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and
(ii) 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, 2015|
|Stephen S. Yoder|
|Title: Chief Executive Officer and President (principal executive officer)|