GPC · Genuine Parts Co

The Reporting Person's ending balance has been increased by 32 shares to account for shares from dividend accrual.

Each share of phantom stock is the economic equivalent of one share of GPC common stock. The shares of phantom stock become payable in cash or common stock, at the election of the reporting person, pursuant to the reporting person's prior deferral election.

Includes 38 shares of phantom stock acquired through most recent Dividend Reinvestment Plan purchase.

Each share of phantom stock is the economic equivalent of one share of GPC common stock. The shares of phantom stock become payable in cash or common stock, at the election of the reporting person, pursuant to the reporting person's prior deferral election.

Includes 47 shares of phantom stock acquired through most recent Dividend Reinvestment Plan purchase.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on September 17, 2025.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on September 17, 2025.

The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $104.09 to $104.13, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

The Reporting Person's ending balance has been increased by 37 shares to account for shares from dividend accrual.

Each restricted stock unit represents a vested right to receive one share of GPC common stock at a future date.

The restricted stock units are vested upon grant and convert to shares of GPC common stock on the fifth anniversary of the grant date, or earlier upon a change in control of GPC or the grantee's termination as a director of GPC by reason of death, disability or retirement.

The Reporting Person's ending balance has been increased by 37 shares to account for shares from dividend accrual.

The Reporting Person's ending balance has been increased by 126 shares to account for shares from dividend accrual.

Each restricted stock unit represents a vested right to receive one share of GPC common stock at a future date.

The restricted stock units are vested upon grant and convert to shares of GPC common stock on the fifth anniversary of the grant date, or earlier upon a change in control of GPC or the grantee's termination as a director of GPC by reason of death, disability or retirement.

Each restricted stock unit represents a vested right to receive one share of GPC common stock at a future date.

The restricted stock units are vested upon grant and convert to shares of GPC common stock on the fifth anniversary of the grant date, or earlier upon a change in control of GPC or the grantee's termination as a director of GPC by reason of death, disability or retirement.

Each restricted stock unit represents a vested right to receive one share of GPC common stock at a future date.

The restricted stock units are vested upon grant and convert to shares of GPC common stock on the fifth anniversary of the grant date, or earlier upon a change in control of GPC or the grantee's termination as a director of GPC by reason of death, disability or retirement.

Each restricted stock unit represents a vested right to receive one share of GPC common stock at a future date.

The restricted stock units are vested upon grant and convert to shares of GPC common stock on the fifth anniversary of the grant date, or earlier upon a change in control of GPC or the grantee's termination as a director of GPC by reason of death, disability or retirement.

The Reporting Person's ending balance has been increased by 57 shares to account for shares from dividend accrual.

The Reporting Person's ending balance has been increased by 315 shares to account for shares from dividend accrual.

Each restricted stock unit represents a vested right to receive one share of GPC common stock at a future date.

The restricted stock units are vested upon grant and convert to shares of GPC common stock on the fifth anniversary of the grant date, or earlier upon a change in control of GPC or the grantee's termination as a director of GPC by reason of death, disability or retirement.

The RSU's represent the annual RSU grant made to non- employee directors on May 1, 2026.

Reflects a grant of time-based RSUs that vests in equal annual installments on the first three anniversaries of the grant date.

The Reporting Person's ending balance has been increased by 26 shares to account for shares from dividend accrual.

The Reporting Person's ending balance has been increased by 18 shares to account for shares from dividend accrual.

The Reporting Person's ending balance has been increased by 47 shares to account for shares from dividend accrual.

Reflects shares issued in settlement of PRSUs earned and vested under PRSU award granted on May 1, 2023.

Each restricted stock unit represents a vested right to receive one share of GPC common stock at a future date.

The restricted stock units are vested upon grant and convert to shares of GPC common stock on the fifth anniversary of the grant date, or earlier upon a change in control of GPC or the grantee's termination as a director of GPC by reason of death, disability or retirement.

The RSU's represent the annual RSU grant made to non- employee directors on May 1, 2026.

Reflects a grant of time-based RSUs that vests in equal annual installments on the first three anniversaries of the grant date.

The Reporting Person's ending balance has been increased by 265 shares to account for shares from dividend accrual.

The Reporting Person's ending balance has been increased by 141 shares to account for shares from dividend accrual.

The Reporting Person's ending balance has been increased by 86 shares to account for shares from dividend accrual.

Reflects shares issued in settlement of PRSUs earned and vested under PRSU award granted on May 1, 2023.

Reflects a grant of time-based RSUs that vests in equal annual installments on the first three anniversaries of the grant date.

Each restricted stock unit represents a vested right to receive one share of GPC common stock at a future date.

The restricted stock units are vested upon grant and convert to shares of GPC common stock on the fifth anniversary of the grant date, or earlier upon a change in control of GPC or the grantee's termination as a director of GPC by reason of death, disability or retirement.

The RSU's represent the annual RSU grant made to non- employee directors on May 1, 2026.

Reflects a grant of time-based RSUs that vests in equal annual installments on the first three anniversaries of the grant date.

Each restricted stock unit represents a vested right to receive one share of GPC common stock at a future date.

The restricted stock units are vested upon grant and convert to shares of GPC common stock on the fifth anniversary of the grant date, or earlier upon a change in control of GPC or the grantee's termination as a director of GPC by reason of death, disability or retirement.

The RSU's represent the annual RSU grant made to non- employee directors on May 1, 2026.

The Reporting Person's ending balance has been increased by 45 shares to account for shares from dividend accrual.

Reflects shares issued in settlement of PRSUs earned and vested under PRSU award granted on May 1, 2023.

Reflects shares issued in settlement of PRSUs earned and vested under PRSU award granted on May 1, 2023.

Each restricted stock unit represents a vested right to receive one share of GPC common stock at a future date.

The restricted stock units are vested upon grant and convert to shares of GPC common stock on the fifth anniversary of the grant date, or earlier upon a change in control of GPC or the grantee's termination as a director of GPC by reason of death, disability or retirement.

The RSU's represent the annual RSU grant made to non- employee directors on May 1, 2026.

The Reporting Person's ending balance has been increased by 37 shares to account for shares from dividend accrual.