STATE STREET BANK AND TRUST COMPANY, as Successor Trustee FIRST SUPPLEMENTAL INDENTURE Dated as of March 15, 1996 2 THIS FIRST SUPPLEMENTAL INDENTURE, dated as of March 15, 1996 (this "Supplemental Indenture") by and between THE PROGRESSIVE...Progressive Corp/Oh/ • March 15th, 1996 • Fire, marine & casualty insurance
1 Exhibit 1 UNDERWRITING AGREEMENTUnderwriting Agreement • March 15th, 1996 • Progressive Corp/Oh/ • Fire, marine & casualty insurance • New York
