FIRST AMENDMENT TO PURCHASE AGREEMENT, COMPANY SECURITY AND PLEDGE AGREEMENT, SUBSIDIARY SECURITY AND PLEDGE AGREEMENT AND REGISTRATION RIGHTS AGREEMENTPurchase Agreement • March 28th, 2008 • Perseus Partners Vii L P • Electric services • New York
FIRST AMENDMENT TO PURCHASE AGREEMENT, COMPANY SECURITY AND PLEDGE AGREEMENT, SUBSIDIARY SECURITY AND PLEDGE AGREEMENT AND REGISTRATION RIGHTS AGREEMENT (this “First Amendment”), dated as of March 13, 2008, by and between Distributed Energy Systems Corp., a Delaware corporation (the “Company”), Northern Power Systems, Inc., a Delaware corporation (“Northern”), Proton Energy Systems, Inc., a Delaware corporation (“Proton”), Technology Drive, L.L.C., a Connecticut limited liability company (“Tech LLC”) and Perseus Partners VII, L.P., a Delaware limited partnership (the “Purchaser”). Unless otherwise indicated, all capitalized terms used herein and not otherwise defined have the respective meanings provided such terms in the Purchase Agreement referred to below.
