EXHIBIT 10.23 FIRST LOAN MODIFICATION AGREEMENT This Loan Modification Agreement is entered into as of June 20, 2003, by and between ATHEROGENICS, INC. ("Borrower") whose address is 8995 Westside Parkway, Alpharetta, Georgia 30004, and SILICON VALLEY...Loan Modification Agreement • August 13th, 2003 • Atherogenics Inc • Pharmaceutical preparations
