Executives from BP, Huntsman, and Shaw Group to Headline Keynote Speeches at AspenTech’s OPTIMIZE™ 2011 Conference

Process Industry Leaders VP and CIO Michael Gibbs, VP John Prows, and SVP Bert Aragon to Join AspenTech CEO Mark Fusco and EVP Manolis Kotzabasakis in Opening Session of AspenTech’s 30th Anniversary Year Global Conference

AspenTech’s EVP Antonio Pietri and SVP Blair Wheeler to Discuss GHG and Energy-Related Issues at CERA Week 2011

Former U.S. Presidents Bill Clinton and George W. Bush will Headline Speaking Lineup that also includes BP Chief Executive Robert Dudley, LUKOIL CEO Vagit Alekperov, and Total CEO Christophe de Margerie

AspenTech’s EVP Antonio Pietri and SVP Blair Wheeler to Discuss Energy and Petrochemical Issues at CERAWeek 2012

Other Speaker Highlights Include Chairman & CEO of ExxonMobil, Rex Tillerson; President & CEO of the Federal Reserve Bank of Dallas, Richard Fisher; and CEO of Royal Dutch Shell, Peter Voser

Dow Chemical Optimizes Capital Cost Decision-Making For Petrochemicals Projects with AspenTech’s aspenONE Engineering Software

Aspen Capital Cost Estimator (ACCE) Application Reduces from Months to Weeks the Time Required to Produce Accurate Global Project Estimates

Dow Chemical Optimizes Capital Cost Decision-Making For Petrochemicals Projects with AspenTech’s aspenONE Engineering Software

Aspen Capital Cost Estimator (ACCE) Application Reduces from Months to Weeks the Time Required to Produce Accurate Global Project Estimates

AspenTech Wins 2011 Supply & Demand Chain Executive 100 Award for Integrated Supply and Demand Planning Project

aspenONE Software Helps Leading Plastics and Chemicals Manufacturer Increase Length of Scheduling Horizon by 100 percent and Reduce Maintenance over 80 Percent

AspenTech Releases New Local Language Versions of Products in aspenONE® Manufacturing & Supply Chain Suite

Extends Benefits of Process Optimization to More Users in China, Brazil, Russia and Other Countries

AspenTech Wins Consumer Goods Technology Magazine 2011 Editor’s Pick Award

AspenTech Solutions and Partner Network Noted for Helping Consumer Product Customers Achieve Operational Excellence in Process Manufacturing

AspenTech Marks 30 Years of Innovation and Leadership In the Process Industries

Focus on Process Optimization has Helped Customers Achieve Superior Financial and Operating Results Over Three Decades

AspenTech Wins Chemical Processing Magazine 2011 Readers’ Choice Awards for Eighth Consecutive Year

Process Industry Again Recognizes aspenONE Leadership in Plant Design Software and Process Simulation Software Categories

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