Exhibit 10.2 PLEDGE AND SECURITY AGREEMENT PLEDGE AND SECURITY AGREEMENT, dated as of July 31, 1998 made by and between Timothy J. Dhuyvetter, an individual with an address at 3006 Magnum Drive, San Jose, CA 95135-1040 (the "PLEDGOR"), in favor of...Pledge and Security Agreement • November 9th, 1998 • Sipex Corp • Semiconductors & related devices • Massachusetts
