1 EXHIBIT 10.18 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT dated as of June 1, 2000 is entered into between Aspen Technology, Inc., a Delaware corporation ("Aspen"), and David Gamboa, Gordon Hartogensis and William Miller...Registration Rights Agreement • September 28th, 2000 • Aspen Technology Inc /De/ • Services-computer programming services • Massachusetts
1 Exhibit 10.16 [FLEET LOGO] September 21, 1999 Ms. Lisa Zappala Treasurer and Chief Financial Officer Aspen Technology, Inc. Ten Canal Park Cambridge, MA 02141 Dear Lisa: Reference is hereby made to the Further Amended and Restated Revolving Credit...Revolving Credit Agreement • September 28th, 2000 • Aspen Technology Inc /De/ • Services-computer programming services
WITNESSETHLease Agreement • September 28th, 2000 • Aspen Technology Inc /De/ • Services-computer programming services
1 Exhibit 10.41 CHANGE IN CONTROL AGREEMENT AGREEMENT dated as of September 1, 2000 by and between Aspen Technology, Inc., a Delaware corporation (the "Company"), and Helen Moye (the "Executive"). WHEREAS, the Company considers it essential to the...Change in Control Agreement • September 28th, 2000 • Aspen Technology Inc /De/ • Services-computer programming services • Massachusetts
1 Exhibit 10.42 CHANGE IN CONTROL AGREEMENT AGREEMENT dated as of August 1, 2000 by and between Aspen Technology, Inc., a Delaware corporation (the "Company"), and Michael Muscatello (the "Executive"). WHEREAS, the Company considers it essential to...Change in Control Agreement • September 28th, 2000 • Aspen Technology Inc /De/ • Services-computer programming services • Massachusetts
1 Exhibit 10.48 DIRECT VENDOR PROGRAM AGREEMENT THIS DIRECT VENDOR PROGRAM, AGREEMENT ("Agreement") is dated as of November 18, 1999 by and between GENERAL ELECTRIC CAPITAL CORPORATION ("GE CAPITAL"), a New York corporation, with an address at 10...Direct Vendor Program Agreement • September 28th, 2000 • Aspen Technology Inc /De/ • Services-computer programming services • New York
Ten Canal Park Cambridge, Massachusetts 02141 (the "Building") FIRST AMENDMENT --------------- May 5, 1997Lease Agreement • September 28th, 2000 • Aspen Technology Inc /De/ • Services-computer programming services
1 Exhibit 10.44 FINANCING PARTNER AGREEMENT Financing PartnerFinancing Partner Agreement • September 28th, 2000 • Aspen Technology Inc /De/ • Services-computer programming services
