Item 16. Form 10-K Summary

None.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on July 24, 2019.

PAYCHEX, INC.

By: /s/ Martin Mucci

Martin Mucci

President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities indicated on July 24, 2019.

/s/ Martin Mucci

Martin Mucci, President and

Chief Executive Officer, and Director

(Principal Executive Officer)

/s/ Efrain Rivera

Efrain Rivera, Senior Vice President, Chief Financial Officer, and Treasurer

(Principal Financial Officer)

/s/ Robert L. Schrader

Robert L. Schrader, Vice President and Controller

(Principal Accounting Officer)

B. Thomas Golisano*, Chairman of the Board

Thomas F. Bonadio*, Director

Joseph G. Doody*, Director

David J.S. Flaschen*, Director

Pamela A. Joseph*, Director

Joseph M. Tucci*, Director

Joseph Velli*, Director

Kara Wilson*, Director

*By: /s/ Martin Mucci

Martin Mucci, as Attorney-in-Fact