PROS Partners with BigMachines for European Customer Conference

Pros (NYSE: PRO), the world leader in pricing and revenue management software, today announced plans to participate in the BigMachines BigIdeas Europe 2011 conference, scheduled for May 9-10 at London’s Hilton Tower Bridge. PROS and BigMachines are technology partners, and together they focus on integrating the power of PROS prescriptive enterprise software with the BigMachines B2B selling platform.

"BigMachines puts on an outstanding event, and PROS participation reflects our shared commitment to providing tightly integrated solutions to customers,” said PROS General Manager for Europe Wagner Williams. "The conference theme focuses on overcoming challenges to increase sales and improve business processes. BigMachines’s BigIdeas conference offers PROS the opportunity to showcase how PROS solutions inspire sales professionals to make better decisions and feel more confident defending their pricing.”

"Through our partnership, we offer a solution that delivers PROS price optimization and deal guidance software integrated with the BigMachines selling platform so our customers’ sales teams are able to optimize margins during negotiations,” said BigMachines Vice President and General Manager for Europe. "Our partnership underscores our joint commitment to empower organizations with the best, most advanced quoting and negotiation solutions for their success.”

Through the PROS Everywhere initiative, the company is focused on integration with tools that sales teams already use. The PROS and BigMachines partnership provides B2B customers with advanced, real-time price optimization and deal guidance during the configuration and quoting process. The seamless integration ensures pricing consistency and increased margins as sales professionals gain access to optimized prices and deal guidance.

The PROS solution suite includes PROS Scientific Analytics™, PROS Price Optimizer™ and PROS Deal Optimizer™. The three software application modules seamlessly work together to support an organization’s pricing lifecycles, from identifying pricing opportunities, to optimizing and executing pricing strategies and sales quotes.

To learn more, visit the website at http://www.prospricing.com/Pricing-Events.aspx

About BigMachines

BigMachines is the global leader in enabling B2B sales, helping companies sell more and sell faster. BigMachines' award-winning on-demand configurator, pricing and quoting, proposal generator, and B2B eCommerce software solutions empower sales across customers' channels by streamlining their sales processes from opportunity to order. Using BigMachines software, sales teams and channels can quickly configure products, generate quotes and proposals, manage complex pricing, generate legal contracts, and manage orders. BigMachines offers extensive reporting capabilities and easily integrates to leading CRM and ERP systems, including those from salesforce.com, Oracle, Microsoft and SAP. BigMachines' rapidly growing customer base includes global leaders such as Kodak's GCG, Siemens, Ingersoll Rand, and NTT Communications, as well as innovative growth companies such as Acme Packet and Voltaire. For more information, visit www.bigmachines.com.

About PROS

PROS Holdings, Inc. (NYSE: PRO) is a leading provider of prescriptive enterprise pricing and revenue management software products, specializing in price analytics, price execution, and price optimization. By using PROS' software products, companies gain insight into their pricing strategies, identify pricing-based profit leaks, optimize their pricing decision making and improve their business processes and financial performance. PROS' software products implement advanced pricing science, which includes operations research, forecasting and statistics. PROS high performance software architecture supports real-time high volume transaction processing and allows PROS to handle the processing and database requirements of the most sophisticated and largest customers, including customers with hundreds of simultaneous users and sub-second electronic transactions.

PROS provides professional services to configure its software products to meet the specific pricing needs of each customer. PROS has implemented over 500 solutions across a range of industries in more than 50 countries.

Founded in 1985, PROS is headquartered in Houston, Texas. Today, PROS has over 400 employees, more than 100 with advanced degrees and over 25 with Ph.D.s. To learn more about PROS, please visit www.prospricing.com.

Forward-looking Statements

This press release contains forward-looking statements, including statements about the functionality of the PROS products and their ability to manage and forecast across an enterprise. The forward-looking statements contained in this press release are based upon PROS' historical performance and its current plans, estimates and expectations, and are not a representation that such plans, estimates or expectations will be achieved. Factors that could cause actual results to differ materially from those described herein include PROS' ability to develop new products and product enhancements with the required functionality desired and PROS' ability to implement and support successfully its products to the expectations of its customers. Additional information relating to the uncertainty affecting the PROS business is contained in PROS' filings with the Securities and Exchange Commission. These forward-looking statements represent PROS' expectations as of the date of this press release. Subsequent events may cause these expectations to change, and PROS disclaims any obligations to update or alter these forward-looking statements in the future, whether as a result of new information, future events or otherwise.