Aspen Technology Announces Delisting From NASDAQ Effective February 19, 2008

Aspen Technology Announces Delisting From NASDAQ Effective February 19, 2008

Aspen Technology Announces Date of Selected Preliminary Fiscal 2009 First-Quarter Financial Results Release, Conference Call and Webcast

Aspen Technology Announces Date of Selected Preliminary Fiscal 2009 First-Quarter Financial Results Release, Conference Call and Webcast

Aspen Technology Announces Date of Selected Preliminary Fiscal 2008 Fourth-Quarter and Full Year Financial Results Release

Aspen Technology Announces Date of Selected Preliminary Fiscal 2008 Fourth-Quarter and Full Year Financial Results Release

Aspen Technology Announces Date of Financial Results Release, Conference Call and Webcast

Aspen Technology Announces Date of Financial Results Release, Conference Call and Webcast

Alison Smith Joins AspenTech as Vice President of Marketing Strategy & Research

Alison Smith Joins AspenTech as Vice President of Marketing Strategy & Research

Larsen & Toubro Expands Use of aspenONE® Process Engineering Solutions

Leading Indian Engineering and Construction Company Increases Investment in aspenONE Application Suite to Support International Growth

Sinopec Shanghai Petrochemical Company Achieves ‘Phenomenal’ Results With AspenTech’s aspenONE® for Polymers Advanced Control Solution

Non-linear advanced control solution delivers 70% reduction in process variability and 50% reduction in grade transition times on multiple reactor polypropylene process in Shanghai, China

BP Licenses AspenTech's aspenONE® Process Engineering Suite

Six-year license agreement extends BP’s commitment to AspenTech’s engineering solutions as a global technology standard across its exploration & production, refining and aromatics & acetyls business units

Black & Veatch Expands Use Of aspenONE Process Engineering Solutions

Black & Veatch Expands Use Of aspenONE Process Engineering Solutions

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