Exhibit 99

                    Certification of CEO and CFO Pursuant to
                             18 U.S.C. Section 1350,
                             as Adopted Pursuant to
                  Section 906 of the Sarbanes-Oxley Act of 2002

In  conjunction  with  the Annual Report on Form 10-K of UST Inc. ("Registrant")
for  the  fiscal  year  ended December 31, 2002 as filed with the Securities and
Exchange  Commission  on the date hereof (the "Report"), Jeremy D. Peter-Hoblyn,
as  Chief  Executive  Officer  of  Registrant,  and  David W. Whitwell, as Chief
Financial  Officer  of  Registrant, each hereby certifies, pursuant to 18 U.S.C.
1350,  as adopted pursuant to906 of the Sarbanes-Oxley Act of 2002, that, to the
best  of  his  knowledge:



          (1) The Report fully complies with the requirements of Section 13(a)
     or 15(d) of the Securities Exchange Act of 1934; and

          (2) The information contained in the Report fairly presents, in all
     material respects, the financial condition and results of operations of
     Registrant.





                  /S/
                  --------------------------------

                 CHIEF  EXECUTIVE OFFICER AND CHAIRMAN OF THE BOARD
                 MARCH  25,  2003

                 /S/
                 ---------------------------------
                 CHIEF FINANCIAL OFFICER, VICE PRESIDENT AND TREASURER
                 MARCH  25,  2003


This  certification accompanies the Report pursuant to 906 of the Sarbanes-Oxley
Act  of  2002 and shall not, except to the extent required by the Sarbanes-Oxley
Act  of 2002, be deemed filed by Registrant for purposes of 18 of the Securities
Exchange  Act  of  1934,  as  amended.