Leading international design and engineering and construction company expands use of AspenTech applications, including Aspen HYSYS® and Aspen Plus®

AspenTech Announces New Corporate Headquarters

Aspen Technology Announces Secondary Offering of 18,000,000 Shares of Common Stock by Affiliates of Advent International

Executive Vice President to Highlight Strategic Opportunities for Sustainability and Profitability at Influential Middle East Conference

AspenTech Announces Changes to Board of Directors

Strong top line performance drives highest operating profit and margin since Fiscal 1998

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

Aspen Technology Announces Financial Results for Third-Quarter Fiscal Year 2007

Building on aspenONE V7 Innovations and Best Practice Input from Users,7.2 Release Makes Process Optimization Faster and Easier

AspenTech’s Aspen Licensing Center Provides Customers Insight to Replicate Best Practices Across the Enterprise