ROSS STORES, INC.
POWER OF ATTORNEY
The undersigned hereby authorizes John G. Call, Executive Vice
President, Finance and Legal, and Corporate Secretary; Michael
Hartshorn, Group Senior Vice President and Chief Financial
Officer; Deon Riley, Group Senior Vice President, Human Resources;
Ken Jew, Senior Vice President, General Counsel; Kevin Reimann,
Group Vice President, Total Rewards; and Monte Young, Vice
President, Executive Compensation of Ross Stores, Inc. (the
"Company"), to execute for and on behalf of the undersigned,
in the undersigned's capacity as an officer or director of the
Company, Form ID Uniform Application for Access Codes and
Passwords to File on EDGAR, Forms 4 and 5, and any amendments
thereto, and cause such form(s) to be filed with the United States
Securities and Exchange Commission pursuant to Section 16(a) of the
Securities Act of 1934, relating to the undersigned's beneficial
ownership of securities in the Company.  The undersigned hereby
grants to each such attorney-in-fact full power and authority to
do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the
rights and powers herein granted, as fully to all intents and
purposes as the undersigned might or could do if personally present,
with full power of substitution or revocation, hereby ratifying and
confirming all that such attorney-in-fact, or such attorney-in-
fact's substitute or substitutes, shall lawfully do or cause to
be done by virtue of this power of attorney and the rights and
powers herein granted.  The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the
request of the undersigned, are not assuming, nor is the Company
assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934.  This Power
of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 4 and 5 with
respect to the undersigned's holdings of, and transactions in,
securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing
attorneys-in-fact.  In Witness Whereof, the undersigned has
caused this Power of Attorney to be executed as of this 5th day
of June 2017.
____/s/Stephen D. Milligan____
(Signature)  Stephen D. Milligan