Exhibit 10.39 December 19, 1997 Bradford L Duft Kimberly Duft P.O. Box 1133 Rancho Santa Fe, California 92067 RE: MARGIN ACCOUNT LOAN Dear Brad and Kim: This letter sets forth our agreement regarding your margin account no. 231-19174 (the "Margin...Margin Account Loan Agreement • March 31st, 1998 • Amylin Pharmaceuticals Inc • Pharmaceutical preparations • California
