Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
DALESSANDRO ROBERT T
   2. Issuer Name and Ticker or Trading Symbol
UST INC [UST] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Sr. VP & CFO
(Last)
(First)
(Middle)
C/O UST INC., 100 WEST PUTNAM AVENUE		 3. Date of Earliest Transaction (Month/Day/Year)
08/15/2006
(Street)

GREENWICH, CT 06830		 4. If Amendment, Date 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
(City)
(State)
(Zip)
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 08/15/2006   M   20,000 A $ 30.4375 101,776 D  
Common Stock 08/15/2006   M   26,700 A $ 33.25 128,476 D  
Common Stock 08/15/2006   S   46,700 D $ 51.0085 92,735 (1) D  

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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 Underlying Securities
(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 of Derivative Security: 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
Employee Stock Option (Right to Buy) $ 30.4375 08/15/2006   M     20,000 10/23/1998(2) 10/22/2007 Common Stock 20,000 $ 30.4375 0 (3) D  
Employee Stock Option (Right to Buy) $ 33.25 08/15/2006   M     26,700 12/11/1998(4) 12/10/2007 Common Stock 26,700 $ 33.25 0 (3) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
DALESSANDRO ROBERT T
C/O UST INC.
100 WEST PUTNAM AVENUE
GREENWICH, CT 06830		       Sr. VP & CFO  

Signatures

 Maria R. Sharpe, By Power of Attorney   08/16/2006
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Includes a total of 10,959 shares held in the UST Inc. Employees' Savings Plan as of this date.
(2) Ratably over a three year period commencing on 10/23/1998.
(3) Following this exercise, an aggregate of 29,075 options transferred to the reporting person's former spouse pursuant to a domestic relations order remain outstanding, of these 10,000 are options with an exercise price of $30.4375 and 13,300 are options with an exericse price of $33.25. The reporting person no longer reports as the beneficial owner of any securities with respect to which pecuniary interest has been transferred to the former spouse pursuant to such domestic relations order.
(4) Ratably over a three year period commenicing on 12/11/1998.

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