PROS Holdings Investor Presentation — July 2022

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Second Quarter 2022 Investor Presentation

Updated July 28, 2022

ir@pros.com©2022 PROS, Inc. All rights reserved. Confidential and Proprietary page 2

Disclaimer / Forward -Looking Statements

This presentation contains forward -looking statements within themeaning ofthePrivate Securities Litigation Reform Actof1995 ,including statements about macroeconomic conditions, theimpact ofthe

coronavirus (COVID -19)pandemic ;ourfinancial outlook ;expectations ;ability toachieve future growth andprofitability ;management's confidence andoptimism ;positioning ;customer successes ;demand

foroursoftware solutions ;pipeline ;business expansion ;revenue ;subscription revenue ;ARR ;non-GAAP loss pershare ;adjusted EBITDA ;freecash flow;shares outstanding andeffective taxrate.The

forward -looking statements contained inthispresentation arebased upon ourhistorical performance andourcurrent plans, estimates andexpectations andarenotarepresentation thatsuch plans,

estimates orexpectations willbeachieved .Factors thatcould cause actual results todiffer materially from those described herein include, among others, risks related to:(a)theimpact oftheCOVID -19

pandemic, such asthescope andduration oftheoutbreak, including variants, and, among other effects, thetimeframe forrecovery ofthetravel industry, (b)cyberattacks, data breaches andbreaches of

security measures within ourproducts, systems andinfrastructure orproducts, systems andinfrastructure ofthird parties upon whom werely, (c)increasing business from customers andmaintaining

subscription renewal rates, (d)managing ourgrowth effectively, (e)disruptions from ourthird party data center, software, data, andother unrelated service providers, (f)implementing oursolutions, (g)

cloud operations, (h)intellectual property andthird-party software, (i)acquiring and integrating businesses and/or technologies, (j)catastrophic events, (k)operating globally, including economic and

commercial disruptions, (l)potential downturns insales andlengthy sales cycles, (m)software innovation, (n)competition, (o)market acceptance ofoursoftware innovations, (p)maintaining ourcorporate

culture, (q)personnel risks including loss ofanykeyemployees andcompetition fortalent, (r)expanding andtraining ourdirect andindirect sales force, (s)evolving data privacy, cyber security anddata

localization laws, (t)ourdebt repayment obligations, (u)thetiming ofrevenue recognition and cash flow from operations, (v)migrating customers toourlatest cloud solutions, and (w)returning to

profitability .Additional information relating totherisks anduncertainties affecting ourbusiness iscontained inourfilings with theSEC.These forward -looking statements represent ourexpectations asof