ATMU · Atmus Filtration Technologies Inc. · Insider Trading

Reflects shares sold upon vesting of final portion of August 14, 2023 Restricted Stock Unit Award to pay reporting person's tax withholding obligation.

Reflects the average price of shares sold.

Reflects shares sold upon vesting of first half of launch grant award to pay reporting person's tax withholding obligation.

Reflects shares sold upon vesting of first half of launch grant award to pay reporting person's tax withholding obligation.

Reflects shares sold upon vesting of first half of launch grant award to pay reporting person's tax withholding obligation.

Reflects shares sold upon vesting of first half of launch grant award to pay reporting person's tax withholding obligation.

Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of (i) Atmus' annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027 and (ii) a one-time long-term incentive award, which RSUs will vest in three equal tranches, beginning on May 18, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of Atmus' 2026 annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of Atmus' 2026 annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of Atmus' 2026 annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of Atmus' 2026 annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of Atmus' 2026 annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Reflects shares withheld upon vesting of Performance Share Units earned during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Reflects shares withheld upon vesting of Performance Share Units earned during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Reflects shares withheld upon vesting of the Restricted Share Units granted during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Reflects shares withheld upon vesting of the Restricted Share Units granted during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Reflects shares withheld upon vesting of the Restricted Share Units granted during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Reflects shares withheld upon vesting of Performance Share Units earned during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Reflects shares withheld upon vesting of the Restricted Share Units granted during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Reflects shares withheld upon vesting of Performance Share Units earned during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Reflects shares earned based on achievement of performance metrics of the 2023 Performance Share Unit Award ("PSU") that cliff vest on March 1, 2026. The PSUs will convert 1:1 into common stock.

Reflects shares earned based on achievement of performance metrics of the 2023 Performance Share Unit Award ("PSU") that cliff vest on March 1, 2026. The PSUs will convert 1:1 into common stock.

Reflects shares earned based on achievement of performance metrics of the 2023 Performance Share Unit Award ("PSU") that cliff vest on March 1, 2026. The PSUs will convert 1:1 into common stock.

Reflects shares earned based on achievement of performance metrics of the 2023 Performance Share Unit Award ("PSU") that cliff vest on March 1, 2026. The PSUs will convert 1:1 into common stock.

On November 18, 2025, the shares from November 13, 2025 were rescinded through the broker's error account and therefore are deemed to have never occurred.

On November 13, 2025, the sale of these shares by the reporting person was effected by mistake.

Shares withheld to pay the reporting person's tax withholding obligation upon vesting of a portion of August 14, 2023 Restricted Stock Unit Award.

Reflects Restricted Share Units ("RSUs") granted on May 20, 2025, as part of the 2025-2026 Annual Director Compensation. The RSUs fully vest on May 20, 2026, or the next Annual Meeting of Stockholders, whichever comes first.

Reflects Restricted Share Units ("RSUs") granted on May 20, 2025, as part of the 2025-2026 Annual Director Compensation. The RSUs fully vest on May 20, 2026, or the next Annual Meeting of Stockholders, whichever comes first.

Reflects Restricted Share Units ("RSUs") granted on May 20, 2025, as part of the 2025-2026 Annual Director Compensation. The RSUs fully vest on May 20, 2026, or the next Annual Meeting of Stockholders, whichever comes first.

Reflects Restricted Share Units ("RSUs") granted on May 20, 2025, as part of the 2025-2026 Annual Director Compensation. The RSUs fully vest on May 20, 2026, or the next Annual Meeting of Stockholders, whichever comes first.

Reflects Restricted Share Units ("RSUs") granted on May 20, 2025, as part of the 2025-2026 Annual Director Compensation. The RSUs fully vest on May 20, 2026, or the next Annual Meeting of Stockholders, whichever comes first.

Reflects Restricted Share Units ("RSUs") granted on May 20, 2025, as part of the 2025-2026 Annual Director Compensation. The RSUs fully vest on May 20, 2026, or the next Annual Meeting of Stockholders, whichever comes first.

Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of (i) Atmus' annual long-term incentive compensation program, which RSUs will cliff vest on March 1, 2028 and (ii) a one-time long-term incentive award, which RSUs will cliff vest on May 13, 2028. Each RSU that vests will be settled with one share of Atmus common stock.