August 4, 2017

U.S. Securities & Exchange Commission
100 F Street, N.E.
Washington, DC 20549
Re:	Vanguard Chester Funds (the “Trust”)
	File No. 2-92948
Commissioners:
Pursuant to Rule 497(e) under the Securities Act of 1933, we hereby file exhibits containing
interactive data format risk/return summary information that reflects the risk/return summary
information in the supplement dated July 24, 2017, filed pursuant to Rule 497(e), for the Vanguard
Target Retirement 2065 Fund and Vanguard Institutional Target Retirement 2065 Fund, each a
series of the above mentioned Trust.
If you have any questions or comments concerning the foregoing, please contact me at
(610) 669-2153.
Sincerely,
Jaliya S. Faulkner
Associate Counsel
The Vanguard Group, Inc.

Enclosures

cc: Lisa N. Larkin

U. S. Securities and Exchange Commission