OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has assigned a Long-Term Issue Credit Rating (Long Term IR) of “a” to the recently announced $600 million 4.20% senior unsecured notes due 2048 of The Progressive Corporation (Progressive) (Mayfield Village, OH). In addition, A.M. Best has assigned a Long Term IR of “bbb+” to the recently announced $500 million Series B fixed-to-floating rate cumulative perpetual serial preferred shares of Progressive. The outlook assigned to these Credit Ratings (ratin
