 HOUSTON--BUSINESS WIRE--PROS Holdings, Inc. NYSE: PRO, a provider of SaaS solutions optimizing shopping and selling experiences, today announced that company management will participate virtually in a fireside chat as well as one on one meetings at the upcoming Jefferies Virtual Software Conference. Event: Jefferies Virtual Software Conference Participants: Alex Harrington, VP of Finance, and Belinda Overdeput, Senior Manager, Investor Relations Date: Wednesday, September 15, 2021 Fireside 