EXHIBIT 10.1 LOAN AGREEMENT THIS LOAN AGREEMENT ("Agreement") is made and entered into as of July 31, 2000, by and between TEKELEC, a California corporation ("Borrower"), and UNION BANK OF CALIFORNIA, N.A., a national banking association ("Bank")....Loan Agreement • November 13th, 2000 • Tekelec • Radio & tv broadcasting & communications equipment • California
