EXHIBIT 10.4 AGREEMENT TO PROVIDE RETIREE MEDICAL BENEFITS AND STOCK OPTION BENEFITS THIS AGREEMENT, made as of January 3, 2002, by and between Tekelec, a California corporation ("Company"), and its successors and assigns and Michael L Margolis;...Agreement to Provide Retiree Medical Benefits and Stock Option Benefits • May 15th, 2002 • Tekelec • Radio & tv broadcasting & communications equipment • California
