NTRS · Northern Trust Corp

Represents common stock units payable automatically on a one-for-one basis in shares of NTRS stock upon termination of service as a director.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 6,915.63 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 2,178.90 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

The amount reported in Column 5 reflects the correction of previously reported dividend equivalent accruals. On January 1, 2026 and April 1, 2026, 1.25 shares and 1.22 shares, respectively, should have been reported instead of 2.50 shares and 2.43. The amount reported in Column 5 gives effect to those corrections.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Price reflects the weighted average sales price from $166.44 to $167.40. Information regarding the number of shares sold at each separate price will be provided by the reporting person upon request.

Includes 9,461 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Price reflects the weighted average sales price from $167.48 to $168.24. Information regarding the number of shares sold at each separate price will be provided by the reporting person upon request.

Includes 9,461 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 9,461 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Reflects 2,707 shares withheld in payment of Federal, State and Medicare taxes upon the vesting of 6,375 previously reported stock units. The remaining 3,668 shares were distributed to the reporting person as shares of common stock.

Includes 44,130 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 44,130 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 989 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

On April 30, 2026, a trust in which the reporting person has a partial direct pecuniary interest distributed 9,600 shares of the Corporation's common stock to such trust's beneficiaries, of which 1,200 shares were distributed to the reporting person.

Shares are held in a trust established for the benefit of the reporting person, of which the reporting person is the trustee and has investment control.

Shares are held in a trust established for the benefit of the reporting person, of which the reporting person is the trustee and has investment control.

Includes 28,060 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents common stock units payable automatically on a one-for-one basis in shares of NTRS stock upon termination of service as a director.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

On April 21, 2026, 1,902 already reported and vested stock units, granted on April 22, 2025, were distributed to the reporting person. Shares reported herein reflect the transfer of such shares into the reporting person's previously existing trust account.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 989 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

On April 21, 2026, 1,902 already reported and vested stock units, granted on April 22, 2025, were distributed to the reporting person. Shares reported herein reflect the transfer of such shares into the reporting person's previously existing trust account.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 6,888.75 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 6,888.75 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

On April 21, 2026, 1,902 already reported and vested stock units, granted on April 22, 2025, were distributed to the reporting person. Shares reported herein reflect the transfer of such shares into the reporting person's previously existing trust account.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents common stock units payable automatically on a one-for-one basis in shares of NTRS stock upon termination of service as a director.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 2,175.97 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock. Reflects a correction to the amount of stock units previously reported on a Form 4 filed January 1, 2026 in footnote 1 thereto. The actual amount of stock units on such date was 2,118.09 shares, rather than the 2,332.09 shares originally reported in the footnote.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 2,175.97 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock. Reflects a correction to the amount of stock units previously reported on a Form 4 filed January 1, 2026 in footnote 1 thereto. The actual amount of stock units on such date was 2,118.09 shares, rather than the 2,332.09 shares originally reported in the footnote.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents common stock units payable automatically on a one-for-one basis in shares of NTRS stock upon termination of service as a director.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Includes 2,334.52 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.