SEC FORM 3

SEC FORM 3 SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Brennan Maria I

(Last)

(First)

(Middle)

C/O DOMTAR CORPORATION

234 KINGSLEY PARK DRIVE

(Street)

FORT MILL

29715

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/23/2021

3. Issuer Name and Ticker or Trading Symbol
Domtar CORP [ UFS ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
SVP, Procurement

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Performance Stock Units	⁽¹⁾	⁽¹⁾	Common Stock	70.76	⁽²⁾	D
Performance Stock Units	⁽³⁾	⁽³⁾	Common Stock	114.86	⁽²⁾	D
Restricted Stock Units	⁽⁴⁾	⁽⁴⁾	Common Stock	790.3021	⁽²⁾	D
Restricted Stock Units	⁽⁵⁾	⁽⁵⁾	Common Stock	1,203.2112	⁽²⁾	D

Explanation of Responses:

1. Performance Stock Units (PSUs) for which performance goals have been achieved. These PSUs will vest on February 19, 2022.

2. Each Stock Unit is the economic equivalent of one share of Domtar Corporation Common Stock.

3. Performance Stock Units (PSUs) for which performance goals have been achieved. These PSUs will vest on February 18, 2023.

4. Restricted Stock Units vest on February 19, 2022.

5. Restricted Stock Units vest on February 18, 2023.

Remarks:

	Josee Mireault, Attorney-in-fact for Ms. Brennan	02/25/2021
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.