SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* CROATTI MARIE (Last) (First) (Middle) 68 JONSPIN ROAD C/O UNIFIRST CORP (Street) WILMINGTON MA 01887 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol UNIFIRST CORP [ UNF ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 12/21/2004
	4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/21/2004		J(1)		950	D	$27.35(1)	1,600	I	By Trust(2)
Class B Common Stock								217,584	I	By Trust(2)
Class B Common Stock								2,600,000	I	By general partnership, trust and limited partnership(3)
Class B Common Stock								2,624,060	I	By Estate and Trust(4)
Common Stock								43,592	I	By Estate(4)
Class B Common Stock								2,600,000	I	By Trust(5)
Common Stock								2,000	D
Class B Common Stock								940,172	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The underlying shares of common stock were previously directly held by the Melissa Marie Croatti Trust - 1990, of which the reporting person is a trustee. The underlying shares were transferred to MMC Trust LLC in exchange for limited liability company interests in MMC Trust LLC. The price reflected in column 4 reflects the closing price for UniFirst common stock on the date of transfer.

2. The reporting person is a trustee for the following trusts that directly own the reported securities: The Matthew C. Croatti Gallo Trust - 1989; The Melissa Marie Croatti Gallo Trust - 1989; and The Matthew Croatti Trust - 1985. The reporting person disclaims beneficial ownership of the reported securities, except to the extent of her pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or any other purpose.

3. The reporting person is an officer, director and shareholder of Croatti Management Associates, Inc., the general partner of The Croatti Family Limited Partnership. The reporting person is also a trustee to seven trusts which hold all of the limited partnership interests in The Croatti Family Limited Partnership. The Croatti Family Limited Partnership directly owns the reported securities. The reporting person disclaims beneficial ownership of the reported securities, except to the extent of her pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or any other purpose.

4. The reporting person is the executrix of the estate of her deceased husband, which is the direct owner of the reported securities. The reporting person disclaims beneficial ownership of the reported securities, except to the extent of her pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or any other purpose.

5. The reporting person is a trustee and beneficiary of the Marie Croatti QTIP Trust, which is the direct owner of the reported securities. The reporting person disclaims beneficial ownership of the reported securities, except to the extent of her pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or any other purpose.

	Marie Croatti, by power of attorney	01/03/2005
	** 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 4 (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.
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