Press Release

aspenONE® Version 11 Software Targets Improved Customer Profitability

aspenONE Version 11 Software Targets Improved Customer Profitability

aspenONE Delivers Major Performance Improvements at PetroChina Polyethylene Plant

aspenONE Delivers Major Performance Improvements at PetroChina Polyethylene Plant

Aspen Technology to Present at Upcoming Investor Conferences in May

Aspen Technology to Present at Upcoming Investor Conferences in May

AspenTech Acquires Fidelis Group, LLC

Leading Provider of Asset Reliability Software to Predict Asset Performance and Mitigate Risk in Process Plants

AspenTech Announces CEO Transition Plan

Antonio Pietri, Executive VP of Worldwide Field Operations, to become CEO on October 1, 2013

AspenTech Announces Changes to Board of Directors

AspenTech Announces Changes to Board of Directors

AspenTech and Seoul National University to Form Partnership to Help Develop Next Generation of Global Process Engineers

Signing Ceremony to be held today at US-Korea business forum in advance of South Korean President Park Geun-hye’s White House Summit with President Obama

AspenTech Announces Availability of aspenONE® V8 Process Optimization Software

Delivers New Aspen HYSYS®, Solids Modeling Within Aspen Plus®,New Aspen PIMS™ Platinum and Aspen Collaborative Demand Manager™, and Breakthrough Innovations in Advanced Process Control, Energy and Economic Analysis

aspenONE® Version 9.1 Software Released

System-wide Improvements to LNG Processes and Estimating Accuracy Add to Engineering Suite Capabilities

aspenONE® Version 9 Software Delivers the Innovation That Creates Intelligent Insights

Latest Software Release Drives Superior Asset Performance

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