ROST · Ross Stores, Inc. · Insider Trading

Shares issued under the terms of the 2026 Equity Incentive Plan. Shares become vested as follows: 1/3 on May 27, 2027, 1/3 on May 26, 2028, and 1/3 on May 25, 2029.

Shares issued under the terms of the 2026 Equity Incentive Plan. Shares become vested as follows: 1/3 on May 27, 2027, 1/3 on May 26, 2028, and 1/3 on May 25, 2029.

The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $228.55 to $230.51, inclusive. The reporting person undertakes to provide to Ross Stores, Inc. and to the staff of the Securities and Exchange Commission upon request, full information regarding the numbers of shares sold at each separate price within this price range.

Securities Beneficially Owned include 34 shares acquired on March 31, 2026 and 28 shares acquired on June 30, 2026 pursuant to issuer's employee stock purchase plan in a transaction exempt under Rule 16b-3.

Bona Fide Gift

Bona Fide Gift

Securities held in the name of Sharon D. Garrett Living Trust.

Securities held in the name of LT Doglover Holdings, LLC c/o Lyndon David Mueller & Patricia Helen Mueller

Shares issued under the terms of the 2026 Equity Incentive Plan. Shares become vested as follows: 1/3 on May 27, 2027, 1/3 on May 26, 2028, and 1/3 on May 25, 2029.

Restricted stock units granted under the terms of the 2026 Equity Incentive Plan. Stock units become vested as follows: 1/3 on May 27, 2027, 1/3 on May 26, 2028, and 1/3 on May 25, 2029. Settlement of units is deferred until separation from Board.

Securities Beneficially Owned reflects a transfer since the date of the last Form 4 report of 19,940 shares of Common Stock pursuant to a domestic relations order.

Restricted stock units granted under the terms of the 2026 Equity Incentive Plan. Stock units become vested as follows: 1/3 on May 27, 2027, 1/3 on May 26, 2028, and 1/3 on May 25, 2029. Settlement of units is deferred until separation from Board.

Shares issued under the terms of the 2026 Equity Incentive Plan. Shares become vested as follows: 1/3 on May 27, 2027, 1/3 on May 26, 2028, and 1/3 on May 25, 2029.

Restricted stock units granted under the terms of the 2026 Equity Incentive Plan. Stock units become vested as follows: 1/3 on May 27, 2027, 1/3 on May 26, 2028, and 1/3 on May 25, 2029. Settlement of units is deferred until separation from Board.

Shares issued under the terms of the 2026 Equity Incentive Plan. Shares become vested as follows: 1/3 on May 27, 2027, 1/3 on May 26, 2028, and 1/3 on May 25, 2029.

Restricted stock units granted under the terms of the 2026 Equity Incentive Plan. Stock units become vested as follows: 1/3 on May 27, 2027, 1/3 on May 26, 2028, and 1/3 on May 25, 2029. Settlement of units is deferred until separation from Board.

Shares issued under the terms of the 2026 Equity Incentive Plan. Shares become vested as follows: 1/3 on May 27, 2027, 1/3 on May 26, 2028, and 1/3 on May 25, 2029.

Bona fide charitable gift.

The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $216.9402 to $217.02, inclusive. The reporting person undertakes to provide to Ross Stores, Inc. and to the staff of the Securities and Exchange Commission upon request, full information regarding the numbers of shares sold at each separate price within this price range.

Shares were sold pursuant to the terms of a pre-established 10b5-1 Plan entered into on October 10, 2025.

The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $212.42 to $216.27, inclusive. The reporting person undertakes to provide to Ross Stores, Inc. and to the staff of the Securities and Exchange Commission upon request, full information regarding the numbers of shares sold at each separate price within this price range.

Shares were sold pursuant to the terms of a pre-established 10b5-1 Plan entered into on October 10, 2025.

The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $211.61 to $216.00 inclusive. The reporting person undertakes to provide to Ross Stores, Inc. and to the staff of the Securities and Exchange Commission upon request, full information regarding the numbers of shares sold at each separate price within this price range.

Shares issued pursuant to settlement of a performance award under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 16,471 shares vest as of March 20, 2026, 16,470 shares vest as of March 19, 2027, and 21,960 shares vest as of March 17, 2028.

Shares issued pursuant to settlement of a performance share award under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 6,949 shares vest as of March 20, 2026, 6,949 shares vest as of March 19, 2027, and 9,265 shares vest as of March 17, 2028.

Shares issued pursuant to settlement of a performance award under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 2,574 shares vest as of March 20, 2026, 2,574 shares vest as of March 19, 2027, and 3,431 shares vest as of March 17, 2028.

Shares issued pursuant to settlement of a performance award under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 3,861 shares vest as of March 20, 2026, 3,860 shares vest as of March 19, 2027, and 5,147 shares vest as of March 17, 2028.

Shares issued pursuant to settlement of a performance award under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 515 shares vest as of March 20, 2026, 515 shares vest as of March 19, 2027, and 686 shares vest as of March 17, 2028.

Shares issued pursuant to settlement of a performance award under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 773 shares vest as of March 20, 2026, 772 shares vest as of March 19, 2027, and 1,029 shares vest as of March 17, 2028.

Shares issued pursuant to settlement of a performance award under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 2,574 shares vest as of March 20, 2026, 2,574 shares vest as of March 19, 2027, and 3,431 shares vest as of March 17, 2028.

Shares issued under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 100% on March 21, 2031.

Securities Beneficially Owned include 48 shares acquired on September 30, 2025 and 40 shares acquired on December 31, 2025 pursuant to issuer's employee stock purchase plan in a transaction exempt under Rule 16b-3.

Shares issued under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 100% on March 22, 2030.

Shares issued under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 100% on March 22, 2030.

Shares issued under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 100% on March 23, 2029.

Shares issued under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 100% on March 21, 2031.

Securities Beneficially Owned include 29 shares acquired on March 31, 2025, 29 shares acquired on June 30, 2025, 25 shares acquired on September 30, 2025 and 21 shares acquired on December 31, 2025 pursuant to issuer's employee stock purchase plan in a transaction exempt under Rule 16b-3.

Shares issued under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 100% on March 22, 2030.

Securities Beneficially Owned includes 40 shares acquired on December 31, 2025 pursuant to issuer's employee stock purchase plan in a transaction exempt under Rule 16b-3.

Shares issued under the terms of the 2017 Equity Incentive Plan. Shares become vested as follows: 100% on March 22, 2030.

Securities Beneficially Owned includes 40 shares acquired on December 31, 2025 pursuant to issuer's employee stock purchase plan in a transaction exempt under Rule 16b-3.

Securities held in the name of LT Doglover Holdings, LLC c/o Lyndon David Mueller & Patricia Helen Mueller

Securities Beneficially Owned includes 48 shares acquired on 9/30/2025 and 40 shares acquired on 12/31/2025 pursuant to issuer's employee stock purchase plan in a transaction exempt under Rule 16b-3.

Bona fide charitable gift.