POWER OF ATTORNEY

The undersigned is a director and/or
 executive officer of The Progressive Corporation, an Ohio
corporation (the ?Corporation?), certain securities of which
 are registered pursuant to Section 12 of the Securities
Exchange Act of 1934, as amended (the ?Act?).  The undersigned
 hereby makes, constitutes and appoints Daniel P. Mascaro,
Michael R. Uth, David M. Coffey, Laurie F. Humphrey and Andrew
 J. Kane, and each of them, my true and lawful attorney-in-fact
 and agent, with full power of substitution and resubstitution,
 for me and in my name, place and stead, as my attorney-in-fact
 and agent, to:

a.	prepare, sign and file a Form ID, or successor form,
to obtain any EDGAR or other codes necessary for the
undersigned to file documents with the Securities and Exchange
Commission, and to prepare and sign any and all Forms 3, 4 and
 5, or successor forms, and any and all amendments
or supplements thereto, in order to report, pursuant to Section
 16(a) of the Act, the number of the Common Shares and other
securities (including any derivative securities) of the
 Corporation beneficially owned by the undersigned, or any
change in the number of Common Shares or other securities of
 the Corporation so owned by the undersigned or in the nature
 of such ownership, and to file with the Securities and Exchange
Commission and the New York Stock Exchange the required number
 of copies of such form or forms, or any such amendments or
supplements, pursuant to and in accordance with the applicable
 rules and regulations of the Securities and Exchange Commission
 and the New York Stock Exchange; and
b.	prepare and sign any and all Forms 144, or successor
 forms, and any and all amendments or supplements thereto, in
order to facilitate the sale of Common Shares or other securities
 of the Corporation beneficially owned by the undersigned,
 pursuant to Rule 144 under the Securities Act of 1933, as
 amended, and to file with the Securities and Exchange Commission
 and the New York Stock Exchange the required number of copies of
 such form or forms, or any such amendments or supplements,
 pursuant to and in accordance with the applicable rules and
regulations of the Securities and Exchange Commission and the
New York Stock Exchange;

giving and granting unto each said attorney-in-fact and agent
full power and authority to do and perform any and all acts and
 things whatsoever necessary or appropriate to be done in or
about the premises, as fully to all intents and purposes as the
 undersigned might or could do if personally present, hereby
ratifying and approving all that said attorneys-in-fact and
agents, or any of them, or any such substitute or substitutes,
 shall lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, the undersigned has executed this Power
of Attorney as of the 12th day of April, 2017.

						/s/STEVEN BROZ