Wilczynski Patrick

SEC source: 0001878528-26-000006 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,232.2582

Underlying: Common Stock · 95.951 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001878528-26-000004 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,136.3072

Underlying: Common Stock · 84.8345 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001878528-26-000003 · primarydocument.xml · nonDerivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,313.3962

F1 · price: average sale price, rounded

SEC source: 0001878528-26-000002 · primarydocument.xml · nonDerivative · entry 3

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,313.3962

F3 · kind: Represents shares withheld for taxes in connection with vesting of RSUs and PSUs, rounded to four decimal places. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001878528-26-000002 · primarydocument.xml · nonDerivative · entry 2

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,643.246

F2 · shares: The reported securities represent performance-based restricted stock units ("PSUs") that vested and settled one-for-one in common stock on March 1, 2026, rounded to four decimal places. The PSUs were granted on March 1, 2023 under the issuer's long-term incentive plan, with vesting contingent upon the achievement of financial performance criteria.

SEC source: 0001878528-26-000002 · primarydocument.xml · nonDerivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,085.004

F1 · shares: The reported securities represent time-based restricted stock units ("RSUs") that settle one-for-one in common stock upon vesting. The RSUs will vest, subject to the reporting person's continued service, one-third on each of March 1, 2027, March 1, 2028, and March 1, 2029. Accelerated vesting of a prorated number of the RSUs would occur, based upon length of service during the RSU vesting period and subject to the RSU award terms and conditions, upon employment termination resulting in severance rights, resulting from a business divestiture, or due to death, disability or retirement.

SEC source: 0001878528-26-000001 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,051.4727

Underlying: Common Stock · 63.6507 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001878528-25-000002 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 987.822

Underlying: Common Stock · 76.5458 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-25-005591 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 911.2762

Underlying: Common Stock · 66.1779 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-25-003431 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 845.0983

Underlying: Common Stock · 52.2583 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-25-001934 · primarydocument.xml · nonDerivative · entry 3

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,355.004

F3 · kind: Represents shares withheld for taxes in connection with vesting of RSUs and PSUs, rounded to four decimal places. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001562180-25-001934 · primarydocument.xml · nonDerivative · entry 2

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,046.2256

F2 · shares: The reported securities represent performance-based restricted stock units ("PSUs") that vested and settled one-for-one in common stock on March 1, 2025, rounded to four decimal places. The PSUs were granted on February 22, 2022 under the issuer's long-term incentive plan, with vesting contingent upon the achievement of financial performance criteria.

SEC source: 0001562180-25-001934 · primarydocument.xml · nonDerivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,340.2153

F1 · shares: The reported securities represent time-based restricted stock units ("RSUs") that settle one-for-one in common stock upon vesting. The RSUs will vest, subject to the reporting person's continued service, one-third on each of March 1, 2026, March 1, 2027, and March 1, 2028. Accelerated vesting of a prorated number of the RSUs would occur, based upon length of service during the RSU vesting period and subject to the RSU award terms and conditions, upon employment termination resulting in severance rights, resulting from a business divestiture, or due to death, disability or retirement.

SEC source: 0001562180-25-000590 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 792.84

Underlying: Common Stock · 45.5519 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-24-007394 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 747.2881

Underlying: Common Stock · 42.2744 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-24-005897 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 705.0137

Underlying: Common Stock · 48.0916 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-24-003664 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 656.9221

Underlying: Common Stock · 38.7691 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-24-002277 · primarydocument.xml · nonDerivative · entry 2

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,156.2153

F2 · shares: The reported securities represent time-based restricted stock units ("RSUs") that settle one-for-one in common stock upon vesting. The RSUs will vest, subject to the reporting person's continued service, one-third on each of March 1, 2025, March 1, 2026, and March 1, 2027. Accelerated vesting of a prorated number of the RSUs would occur, based upon length of service during the RSU vesting period and subject to the RSU award terms and conditions, upon employment termination resulting in severance rights, resulting from a business divestiture, or due to death, disability or retirement.

SEC source: 0001562180-24-002277 · primarydocument.xml · nonDerivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,523.2153

F1 · kind: Represents shares withheld for taxes in connection with vesting of RSUs. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001562180-24-000765 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 618.153

Underlying: Common Stock · 84.7204 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-23-007379 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 533.4326

Underlying: Common Stock · 182.2559 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-23-006061 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 351.1767

Underlying: Common Stock · 72.5894 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-23-003780 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 278.5873

Underlying: Common Stock · 74.9269 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-23-002272 · primarydocument.xml · nonDerivative · entry 2

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,855.0653

F2 · kind: Represents shares withheld for taxes in connection with vesting of RSUs. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001562180-23-002272 · primarydocument.xml · nonDerivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,801

F1 · shares: The reported securities represent time-based restricted stock units ("RSUs") that settle one-for-one in common stock upon vesting. The RSUs will vest, subject to the reporting person's continued service, one-third on each of March 1, 2024, March 1, 2025, and March 1, 2026.

SEC source: 0001562180-23-000636 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 203.6604

Underlying: Common Stock · 93.6186 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-22-007276 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110.0418

Underlying: Common Stock · 45.1103 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU represents the right to receive, subject to vesting, one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-22-006754 · primarydocument.xml · derivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64.9315

Underlying: Common Stock · 64.9315 shares

Expires not disclosed

F1 · derivative.exercise_price: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU is the economic equivalent of one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.exercise_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU is the economic equivalent of one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

F1 · derivative.expiration_date: Consists of dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person. The DEUs will vest and be settled on the same terms and conditions as the original RSUs to which they relate. Each DEU is the economic equivalent of one share of Sylvamo Corporation common stock. The number of DEUs has been rounded to 4 decimal points.

SEC source: 0001562180-22-002202 · primarydocument.xml · nonDerivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,903

F1 · shares: Represents shares withheld for taxes in connection with vesting of RSUs. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001562180-22-001841 · primarydocument.xml · nonDerivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,404

F1 · shares: The reported securities represent time-based restricted stock units ("RSUs") that settle one-for-one in common stock upon vesting. The RSUs will vest, subject to the reporting person's continued service, one-third on each of March 1, 2023, March 1, 2024 and March 1, 2025.

SEC source: 0001562180-21-006533 · primarydocument.xml · nonDerivative · entry 1

Wilczynski Patrick · CIK 0001878528 · SVP, Operational Excellence

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,300

F1 · kind: The restricted stock units (units) reported were awarded to the insider under the Sylvamo Corporation 2021 Incentive Compensation Plan as a replacement for performance share units forfeited by the insider under the International Paper Performance Share Plan as a result of the spinoff of International Paper's global papers business to create Sylvamo Corporation. Each unit represents the right, subject to vesting, to receive one share of Sylvamo common stock. The units will vest as follows: (i) 33% on March 1, 2022; (ii) 33% on March 1, 2023; and (iii) 33% on March 1, 2024.

F2 · balance_after: Consists of: (i) the 18,586 units described in footnote (1) and (ii) 1,714 shares of Sylvamo common stock acquired in connection with the distribution of Sylvamo Corporation shares to all holders of International Paper stock on October 1, 2021, upon the spinoff of International Paper's global papers business to create Sylvamo Corporation (the "Spinoff Distribution").