January 24, 2007
January 24, 2007
Aspen Technology Announces Conversion of Series D-2 Preferred Stock to Common Stock
December 21, 2006
December 12, 2006
TVK Selects aspenONE Advanced Process Control for Major New Ethylene and Polyethylene Plants
November 9, 2006
Aspen Technology Announces Restatement of Fiscal 2006 Results
October 31, 2006
October 24, 2006
Atkins Extends Commitment to aspenONE™ Process Engineering Solutions
October 23, 2006
Chiyoda Expands Use of AspenTech’s Process Engineering Solutions