aspenONE Delivers Major Performance Improvements at PetroChina Polyethylene Plant

aspenONE Delivers Major Performance Improvements at PetroChina Polyethylene Plant

Aspen Technology Wins Award for Best Online Support

Receives SSPA’s STAR Award for Excellence in Self-Service Capabilities

Aspen Technology to Webcast Investor Day

Aspen Technology to Webcast Investor Day

Aspen Technology to Present at Upcoming Investor Conferences

Aspen Technology to Present at Upcoming Investor Conferences

aspenONE V7 for Process Engineering Addresses Key Issues Facing Traditional and Alternative Energy Companies

aspenONE V7 for Process Engineering Addresses Key Issues Facing Traditional and Alternative Energy Companies

Aspen Technology Updates Status of Outstanding Filing Requirements

Aspen Technology Updates Status of Outstanding Filing Requirements

Aspen Technology to Webcast Investor Day

Aspen Technology to Webcast Investor Day

Aspen Technology to Present at the William Blair Growth Stock Conference

Aspen Technology to Present at the William Blair Growth Stock Conference

Aspen Technology to Present at Upcoming Cowen and UBS Investor Conferences

Aspen Technology to Present at Upcoming Cowen and UBS Investor Conferences

Aspen Technology to Present at Upcoming Conferences in May

Aspen Technology to Present at Upcoming Conferences in May

Page 263 of 279