Exhibit 24

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I hereby constitute and appoint John P. Sauerland, Daniel P. Mascaro, David M. Coffey, Laurie F. Humphrey and Andrew J. Kane, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign and file with the Securities and Exchange Commission the Annual Report on Form 10-K of The Progressive Corporation for the year ended December 31, 2017, and any and all amendments relating thereto and other documents in connection therewith, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing necessary and requisite to be done in connection with the foregoing, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their respective substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto subscribed my name in the capacity(ies) set forth below this 15th day of February, 2018.

/s/Jeffrey W. Basch

Jeffrey W. Basch

Vice President and Chief Accounting Officer

1

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I hereby constitute and appoint Jeffrey W. Basch, Daniel P. Mascaro, David M. Coffey, Laurie F. Humphrey and Andrew J. Kane, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign and file with the Securities and Exchange Commission the Annual Report on Form 10-K of The Progressive Corporation for the year ended December 31, 2017, and any and all amendments relating thereto and other documents in connection therewith, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing necessary and requisite to be done in connection with the foregoing, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their respective substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto subscribed my name in the capacity(ies) set forth below this 12th day of February, 2018.

/s/John P. Sauerland___________________

John P. Sauerland

Vice President and Chief Financial Officer

2

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I hereby constitute and appoint Jeffrey W. Basch, John P. Sauerland, Daniel P. Mascaro, David M. Coffey, Laurie F. Humphrey and Andrew J. Kane, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign and file with the Securities and Exchange Commission the Annual Report on Form 10-K of The Progressive Corporation for the year ended December 31, 2017, and any and all amendments relating thereto and other documents in connection therewith, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing necessary and requisite to be done in connection with the foregoing, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their respective substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto subscribed my name in the capacity(ies) set forth below this 12th day of February, 2018.

/s/Susan Patricia Griffith

Susan Patricia Griffith

Director, President and Chief Executive Officer

3

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I hereby constitute and appoint Jeffrey W. Basch, John P. Sauerland, Daniel P. Mascaro, David M. Coffey, Laurie F. Humphrey and Andrew J. Kane, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign and file with the Securities and Exchange Commission the Annual Report on Form 10-K of The Progressive Corporation for the year ended December 31, 2017, and any and all amendments relating thereto and other documents in connection therewith, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing necessary and requisite to be done in connection with the foregoing, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their respective substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto subscribed my name in the capacity(ies) set forth below this 12th day of February, 2018.

/s/Philip Bleser

Philip Bleser

Director

4

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I hereby constitute and appoint Jeffrey W. Basch, John P. Sauerland, Daniel P. Mascaro, David M. Coffey, Laurie F. Humphrey and Andrew J. Kane, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign and file with the Securities and Exchange Commission the Annual Report on Form 10-K of The Progressive Corporation for the year ended December 31, 2017, and any and all amendments relating thereto and other documents in connection therewith, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing necessary and requisite to be done in connection with the foregoing, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their respective substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto subscribed my name in the capacity(ies) set forth below this 19th day of February, 2018.

/s/Stuart B. Burgdoerfer

Stuart B. Burgdoerfer

Director

5

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I hereby constitute and appoint Jeffrey W. Basch, John P. Sauerland, Daniel P. Mascaro, David M. Coffey, Laurie F. Humphrey and Andrew J. Kane, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign and file with the Securities and Exchange Commission the Annual Report on Form 10-K of The Progressive Corporation for the year ended December 31, 2017, and any and all amendments relating thereto and other documents in connection therewith, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing necessary and requisite to be done in connection with the foregoing, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their respective substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto subscribed my name in the capacity(ies) set forth below this 15th day of February, 2018.

/s/Charles A. Davis

Charles A. Davis

Director

6

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I hereby constitute and appoint Jeffrey W. Basch, John P. Sauerland, Daniel P. Mascaro, David M. Coffey, Laurie F. Humphrey and Andrew J. Kane, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign and file with the Securities and Exchange Commission the Annual Report on Form 10-K of The Progressive Corporation for the year ended December 31, 2017, and any and all amendments relating thereto and other documents in connection therewith, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing necessary and requisite to be done in connection with the foregoing, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their respective substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto subscribed my name in the capacity(ies) set forth below this 12th day of February, 2018.

/s/Roger N. Farah

Roger N. Farah

Director

7

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I hereby constitute and appoint Jeffrey W. Basch, John P. Sauerland, Daniel P. Mascaro, David M. Coffey, Laurie F. Humphrey and Andrew J. Kane, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign and file with the Securities and Exchange Commission the Annual Report on Form 10-K of The Progressive Corporation for the year ended December 31, 2017, and any and all amendments relating thereto and other documents in connection therewith, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing necessary and requisite to be done in connection with the foregoing, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their respective substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto subscribed my name in the capacity(ies) set forth below this 15th day of February, 2018.

/s/Lawton W. Fitt

Lawton W. Fitt

Director

8

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I hereby constitute and appoint Jeffrey W. Basch, John P. Sauerland, Daniel P. Mascaro, David M. Coffey, Laurie F. Humphrey and Andrew J. Kane, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign and file with the Securities and Exchange Commission the Annual Report on Form 10-K of The Progressive Corporation for the year ended December 31, 2017, and any and all amendments relating thereto and other documents in connection therewith, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing necessary and requisite to be done in connection with the foregoing, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their respective substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto subscribed my name in the capacity(ies) set forth below this 15th day of February, 2018.

/s/Glenn M. Renwick

Glenn M. Renwick

Director and Chairman of the Board

9

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I hereby constitute and appoint Jeffrey W. Basch, John P. Sauerland, Daniel P. Mascaro, David M. Coffey, Laurie F. Humphrey and Andrew J. Kane, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign and file with the Securities and Exchange Commission the Annual Report on Form 10-K of The Progressive Corporation for the year ended December 31, 2017, and any and all amendments relating thereto and other documents in connection therewith, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing necessary and requisite to be done in connection with the foregoing, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their respective substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto subscribed my name in the capacity(ies) set forth below this 15th day of February, 2018.

/s/Jeffrey D. Kelly

Jeffrey D. Kelly

Director

10

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I hereby constitute and appoint Jeffrey W. Basch, John P. Sauerland, Daniel P. Mascaro, David M. Coffey, Laurie F. Humphrey and Andrew J. Kane, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign and file with the Securities and Exchange Commission the Annual Report on Form 10-K of The Progressive Corporation for the year ended December 31, 2017, and any and all amendments relating thereto and other documents in connection therewith, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing necessary and requisite to be done in connection with the foregoing, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their respective substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto subscribed my name in the capacity(ies) set forth below this 15th day of February, 2018.

/s/Patrick H. Nettles, Ph.D.

Patrick H. Nettles, Ph.D.

Director

11

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I hereby constitute and appoint Jeffrey W. Basch, John P. Sauerland, Daniel P. Mascaro, David M. Coffey, Laurie F. Humphrey and Andrew J. Kane, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign and file with the Securities and Exchange Commission the Annual Report on Form 10-K of The Progressive Corporation for the year ended December 31, 2017, and any and all amendments relating thereto and other documents in connection therewith, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing necessary and requisite to be done in connection with the foregoing, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their respective substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto subscribed my name in the capacity(ies) set forth below this 15th day of February, 2018.

/s/Bradley T. Sheares, Ph.D.

Bradley T. Sheares, Ph.D.

Director

12

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I hereby constitute and appoint Jeffrey W. Basch, John P. Sauerland, Daniel P. Mascaro, David M. Coffey, Laurie F. Humphrey and Andrew J. Kane, and each of them, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign and file with the Securities and Exchange Commission the Annual Report on Form 10-K of The Progressive Corporation for the year ended December 31, 2017, and any and all amendments relating thereto and other documents in connection therewith, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing necessary and requisite to be done in connection with the foregoing, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their respective substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto subscribed my name in the capacity(ies) set forth below this 15th day of February, 2018.

/s/Barbara R. Snyder

Barbara R. Snyder

Director

13