Houston, Texas – November 17, 2005 —  PROS had a dominant presence at the INFORMS Annual Meeting 2005. PROS was invited to give keynote presentations, chair clusters, and present numerous papers.

PROS participation included the following:

• Dr. Andy Boyd, PROS Chief Scientist, gave the keynote presentation at the INFORMS roundtable, and ten other PROS executives and scientists presented papers.
  
• Dr. Garrett van Ryzin, a member of the PROS science advisory board, won the Lanchester prize for his book co-authored with Dr.Kalyan Talluri titled The Theory and Practice of Revenue Management.
  
• Dr. Peter Belobaba, who is also a member of PROS science advisory board, gave a presentation and chaired a session on Airline Revenue Management.
  
• Dr. Darius Walczak, one of PROS Senior Scientists, co-chaired and organized the main Revenue Management and Pricing cluster of more than sixty presentations, along with Dr. Patrice Marcotte of the University of Montreal. Dr. Walczak also chaired a topics session.
  

"PROS and INFORMS have always had a strong partnership due to PROS science and optimization expertise," said Bert Winemiller, Chairman and CEO of PROS. "Our participation with INFORMS is a unique opportunity to share some of the techniques that we have used to solve pricing and revenue optimization problems for our global customers.”

Presentations and papers from PROS included:

• “Transforming Pricing Problems” by Dr. Maarten Oosten and Dr. Darius Walczak
  
• “The Effect of Uncertainty on Decision Optimality” by Dr. Roxy Cramer, Dr. Ed Kambour, and Dr. John Salch
  
• “Revenue Management and Demand Models” by Dr. Andy Boyd, Igor Cakulev, and Royce Kallesen
  
• “Incorporating Market Information into Pricing Optimization” by Dr. Darius Walczak
  
• “A Cruise Ship is not a Floating Hotel” by Dr. Neil Biehn
  
• “Single-Period Pricing Models with Demand Substitution” by Dr. Tao Huang of PROS and Eylem Tekin of Texas A&M University
  

About INFORMS

INFORMS is a 12,000 member society representing professionals in the fields of Operations Research and the Management Sciences. The Annual Meeting brings together practitioners and researchers in a variety of quantitative disciplines to discuss the myriad ways of modeling; analysis, optimization, and algorithm design that can be utilized to make vital contributions across all sectors of the economy. More information on the INFORMS 2005 Annual Meeting can be found at http://www.informs.org/.

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PROS Corporate Communications

email: info@prospricing

phone: 713.335.5151 / fax: 713.335.8144