Exhibit

We hereby consent to the incorporation by reference in the Registration Statement on Form S‑8 (Nos. 333-219192, 333-215623, 333-209067, 333-201412, 333-194105, 333-193867, 333-186857, 333-179721, 333-172516, 333-165362, 333-157555, 333-149359 and 333-145237) of PROS Holdings, Inc. of our report dated February 15, 2018 relating to the consolidated financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.