Press Release

PROS to Ring Opening Bell at New York Stock Exchange

Company Celebrates Opening of Outperform 2013 Big Data Conference

HOUSTON, April 2, 2013 – PROS Holdings, Inc.® (NYSE: PRO), a big data software company, today announced that President and CEO Andres Reiner will ring the opening bell at the New York Stock Exchange on Wednesday, April 3, at 9:30 a.m. EDT.

Joining Reiner on the bell podium will be PROS guests who are in New York for the company’s Outperform 2013 North America big data conference.

“The New York Stock Exchange is one of the world’s great seats of commerce, where big data and big business are headlines every day,” said Reiner. “I can think of no better way to open our Outperform 2013 big data conference. We are honored to have our guests join us in this great tradition of ringing the opening bell.”

To see the opening bell ceremony, visit the New York Stock Exchange website at

To learn more about PROS, visit the website at



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