STOCK PURCHASE AGREEMENT among FactSet Research Systems Inc., Derivative Solutions Inc. and Douglas S. Wheeler dated as of August 1, 2005Stock Purchase Agreement • August 3rd, 2005 • Factset Research Systems Inc • Services-computer programming, data processing, etc. • New York
Contract Type FiledAugust 3rd, 2005 Company Industry JurisdictionWHEREAS the Principal Seller is the record and beneficial owner of the number of shares of common stock, no par value per share of the Company set forth opposite his name on Annex 1 (the “Principal Shares”);