Exhibit 10.1 [COMERICA LOGO] -------------------------------------------------- ------------------------------ Comerica Bank-California April 24, 2002 Frank DiPietro Sipex Corporation 22 Linnell Circle Billerica, MA 01821 Dear Frank: Comerica...Amended and Restated Revolving Credit Loan & Security Agreement • May 3rd, 2002 • Sipex Corp • Semiconductors & related devices
