PROS Holdings Investor Presentation — May 2022

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First Quarter 2022 Investor Presentation

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 thebusiness impact andduration ofthe

coronavirus (COVID -19)pandemic ;ourfinancial outlook (guidance) ;expectations ;ability toachieve future growth and profitability ;management's confidence and optimism ;positioning ;customer

successes ;demand foroursoftware solutions ;pipeline ;business expansion ;revenue ;subscription revenue ;ARR ;non-GAAP loss pershare ;adjusted EBITDA ;freecash flow;shares outstanding and

effective taxrate.Theforward -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 of

theCOVID -19pandemic, such asthescope andduration oftheoutbreak, including variants, and, among other effects, thetimeframe forrecovery ofthetravel industry, (b)cyberattacks, data breaches and

breaches ofsecurity measures within ourproducts, systems andinfrastructure orproducts, systems andinfrastructure ofthird parties upon whom werely, (c)increasing business from customers and

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

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

economic andcommercial 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 andcash flow from operations, (v)migrating customers toourlatest cloud solutions, and(w)

returning toprofitability .Additional information relating totherisks and uncertainties affecting ourbusiness iscontained inourfilings with theSEC.These forward -looking statements represent our

expectations asofthedate hereof .Subsequent events may cause these expectations tochange, andPROS disclaims anyobligations toupdate oralter these forward -looking statements inthefuture,