Linda J. Welty - 02 Jun 2025 Form 4 Insider Report for MERCER INTERNATIONAL INC. (MERC)

Role: Director
Signature: /s/ Linda J. Welty
Issuer symbol: MERC
Transactions as of: 02 Jun 2025
Net transactions value: $0
Form type: 4
Filing time: 03 Jun 2025, 17:12:34 UTC
Previous filing: 04 Jun 2024
Next filing: 19 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
WELTY LINDA J	Director	SUITE 1120, 700 WEST PENDER STREET, VANCOUVER, BRITISH COLUMBIA, CANADA	/s/ Linda J. Welty	03 Jun 2025	0001205450

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		+27,933	+87%		60,181	02 Jun 2025	Common Stock	27,933		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 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 2026 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 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 2026 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.