WYETHRegistration Rights Agreement • February 3rd, 2004 • Wyeth • Pharmaceutical preparations • New York
EXHIBIT 4.3 FOURTH SUPPLEMENTAL INDENTURE, dated as of December 16, 2003 (this "FOURTH SUPPLEMENTAL INDENTURE"), between WYETH (as successor to AMERICAN HOME PRODUCTS CORPORATION), a Delaware corporation (the "ISSUER") and JPMORGAN CHASE BANK (as...Fourth Supplemental Indenture • February 3rd, 2004 • Wyeth • Pharmaceutical preparations • New York
