Aspen Technology Names Mark Sullivan Chief Financial Officer

Burlington, Mass. - Aspen Technology, Inc. (OTC: AZPN.PK), a leading provider of software and services to the process industries, today announced the appointment of Mark P. Sullivan to the position of senior vice president and chief financial officer (CFO), effective July 1, 2009. Sullivan brings over twenty years of financial management and executive leadership to the company.

Sullivan spent fourteen years in financial executive leadership roles at Fidelity Investments, a $12+ billion diversified financial services company. For seven years, Sullivan served as Executive Vice President, Chief Financial Officer, for Fidelity Employer Services Company, where he led a 200+ finance team and multi-billion dollar business focused on providing employee benefits and HR outsourcing services. While at Fidelity, Sullivan also served as Executive Vice President for the Office of the CFO, in addition to other financial leadership roles.

"We are excited to have an individual with Mark’s breadth and depth of experience joining us to lead our finance organization. Mark is a proven business leader with considerable experience managing large organizations, implementing process improvements and driving growth and profitability. We believe he is an excellent fit to lead AspenTech’s efforts to bring our financials current and help us achieve our long-term business objectives," said Mark Fusco, President and Chief Executive Officer of AspenTech.

Sullivan’s previous experience included serving as Chief Operating Officer, Principal Finance and Accounting Officer for Westerbeke Corporation, a manufacturer, global importer and distributor of engine and air conditioning products for the recreational marine industry. Sullivan also served as Consulting Manager in the Business Investigatory Services group of Coopers & Lybrand, a public accounting and professional services firm, in addition to a number of financial leadership roles with Analog Devices, an integrated circuit manufacturer.

Mark Sullivan said, "AspenTech has industry leading technology, a blue chip customer base and a strong financial position. I look forward to using my financial and executive leadership experience to put in place the financial infrastructure and processes necessary to effectively scale the company over the long-term."

About AspenTech

AspenTech is a leading supplier of software that optimizes process manufacturing – including oil and gas, petroleum, chemicals, pharmaceuticals and other industries that manufacture and produce products from a chemical process. With integrated aspenONE solutions, process manufacturers can implement best practices for optimizing their engineering, manufacturing and supply chain operations. As a result, AspenTech customers are better able to increase capacity, improve margins, reduce costs and become more energy efficient. To see how the world’s leading process manufacturers rely on AspenTech to achieve their operational excellence goals, visit www.aspentech.com.