William Mccartney - Jun 2, 2025 Form 4 Insider Report for MERCER INTERNATIONAL INC. (MERC)

Role: Chairperson, Director
Signature: /s/ William McCartney
Stock symbol: MERC
Transactions as of: Jun 2, 2025
Transactions value $: $0
Form type: 4
Date filed: 6/3/2025, 02:15 PM
Previous filing: Jun 4, 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
MCCARTNEY WILLIAM	Chairperson, Director	SUITE 1120, 700 WEST PENDER STREET, VANCOUVER, BRITISH COLUMBIA, CANADA	/s/ William McCartney	2025-06-03	0001260893

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MERC	Deferred Stock Units	Award		+46.1K	+244.95%		64.9K	Jun 2, 2025	Common Stock	46.1K		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents deferred stock units ("DSUs") issued by Mercer International Inc. ("Mercer") as a grant to the Reporting Person under Mercer's non-employee director compensation program and the Amended and Restated 2022 Stock Incentive Plan in connection with his role as a director and Chairperson of Mercer's board of directors and in respect of the board term commencing May 31, 2025 and ending at its next regularly scheduled annual general meeting in 2026 (the "2026 AGM"). Each DSU vests on the earlier of the one year anniversary of the grant date or the date of the 2025 AGM and represents the right to receive one share of Mercer's common stock and dividend equivalents after the Reporting Person ceases to be a director of Mercer, unless deferred in accordance with its terms.

Content

Represents deferred stock units ("DSUs") issued by Mercer International Inc. ("Mercer") as a grant to the Reporting Person under Mercer's non-employee director compensation program and the Amended and Restated 2022 Stock Incentive Plan in connection with his role as a director and Chairperson of Mercer's board of directors and in respect of the board term commencing May 31, 2025 and ending at its next regularly scheduled annual general meeting in 2026 (the "2026 AGM"). Each DSU vests on the earlier of the one year anniversary of the grant date or the date of the 2025 AGM and represents the right to receive one share of Mercer's common stock and dividend equivalents after the Reporting Person ceases to be a director of Mercer, unless deferred in accordance with its terms.