CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 333-174076, 333-195260, 333-199517, 333-208330, and 333-208331) and Form S-8 (Nos. 333-151154, 333-153847, 333-175763, 333-174819, 333-182505, 333-183300, 333-182578, and 333-190540) of our reports dated March 10, 2016, relating to the consolidated financial statements of Galena Biopharma, Inc., and the effectiveness of internal control over financial reporting of Galena Biopharma, Inc., appearing in this Annual Report (Form 10-K) for the year ended December 31, 2015.
/s/ Moss Adams
Portland, Oregon
March 10, 2016
