David Gandossi - Feb 16, 2022 Form 4 Insider Report for MERCER INTERNATIONAL INC. (MERC)

Role: CEO and President, Director
Signature: /s/ David Gandossi
Stock symbol: MERC
Transactions as of: Feb 16, 2022
Transactions value $: -$80,675
Form type: 4
Date filed: 2/17/2022, 06:41 PM

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MERC	COMMON STOCK	Options Exercise	$0	+12.5K	+6.53%	$0.00	204K	Feb 16, 2022	Direct	F1
transaction	MERC	COMMON STOCK	Tax liability	-$80.7K	-6.27K	-3.06%	$12.88	198K	Feb 16, 2022	Direct	F2

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	PERFORMANCE SHARE UNITS	Award	$0	+12.5K		$0.00	12.5K	Feb 16, 2022	COMMON STOCK	12.5K	$0.00	Direct	F3
transaction	MERC	PERFORMANCE SHARE UNITS	Options Exercise	$0	-12.5K	-100%	$0.00^*	0	Feb 16, 2022	COMMON STOCK	12.5K	$0.00	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Represents the conversion of vested performance share units ("PSUs").
F2	Represents the average of the intraday high and low trading price on February 16, 2022.
F3	Represents the vesting on February 16 2022 of PSUs awarded to the reporting person based on the achievement of certain specified performance criteria, including company performance and share price performance during the 2019 to 2021 performance period.