Owner Aspen Technology, Inc. a Delaware corporation

Service Phillips Ormonde Fitzpatrick

Various Provisions of paragraph 44(3)(b) and/or Reg 4.15A(3)(b) applied.

Filing Date 25 May 2007

Class 9 Computer software programs, including, computer based simulation software for use in the chemical, petrochemical, pharmaceutical, petroleum, electric power, food, consumer products, metal and mineral industries; all of the above excludes computer software for use in developing, delivering and managing education and training

Class 16 Computer user manuals; computer user manuals for simulation software in the chemical, petrochemical, pharmaceutical, petroleum, electric power, food, consumer products, metal and mineral industries

Class 41 Training seminars regarding use and application of the simulation and analysis software for use in the chemical, petrochemical, pharmaceutical, petroleum, electric power, food, consumer products, metal and mineral industries

Class 42 Consulting services pertaining to issues in the chemical, petrochemical, pharmaceutical, petroleum, electric power, food, consumer products, metal and mineral industries; computer software development services; all of the above excludes: custom design of computer software for use in developing and managing education and training programs; technical support services, namely, troubleshooting of problems in computer hardware and software for use in developing, delivering and managing education and training programs; consultancy services in the field of computer software for use in developing, delivering and managing education and training programs; configuration and installation of computer software for use in developing, delivering and managing education and training programs