Exhibit 99.2 COVENANTS NOT TO SUE These Covenants Not to Sue (this "Agreement") are made as of July 24, 2003, entered into by and among IGEN Integrated Healthcare, LLC, a Delaware limited liability company ("NEWCO"), Meso Scale Diagnostics, LLC., a...Igen International Inc /De • July 28th, 2003 • Patent owners & lessors • New York
Exhibit 99.4 LICENSE AGREEMENT (HUMAN IVD, VETERINARY IVD, HLA TYPING, PATERNITY, DNA MANUFACTURING AND PLASMA TESTING) This LICENSE AGREEMENT (Human IVD, Veterinary IVD, HLA Typing, Paternity, DNA Manufacturing and Plasma Testing) (the "AGREEMENT")...License Agreement • July 28th, 2003 • Igen International Inc /De • Patent owners & lessors • New York
Exhibit 99.3 IMPROVEMENTS LICENSE AGREEMENT THIS IMPROVEMENTS LICENSE AGREEMENT (the "Agreement") is made as of the 24th day of July, 2003, by and between Roche Diagnostics GmbH ("ROCHE"), a German limited liability company having a principal place of...Improvements License Agreement • July 28th, 2003 • Igen International Inc /De • Patent owners & lessors • New York
