Exhibit 32.1

                  CERTIFICATION BY THE CHIEF EXECUTIVE OFFICER
                PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT


In connection with the Quarterly  Report of Silgan Holdings Inc. (the "Company")
on Form  10-Q  for the  period  ended  September  30,  2008 as  filed  with  the
Securities and Exchange Commission on the date hereof (the "Quarterly  Report"),
I, Anthony J. Allott, Chief Executive Officer of the Company,  certify, pursuant
to  18  U.S.C.  Section  1350,  as  adopted  pursuant  to  Section  906  of  the
Sarbanes-Oxley Act of 2002, that, to my knowledge:

     (1)  The Quarterly  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 Quarterly Report fairly presents, in
          all  material  respects,   the  financial  condition  and  results  of
          operations of the Company.


/s/ Anthony J. Allott
- -----------------------
Anthony J. Allott
President and
Chief Executive Officer

November 10, 2008


A signed  original of this  written  statement  required by Section 906 has been
provided to Silgan  Holdings  Inc. and will be retained by Silgan  Holdings Inc.
and  furnished  to the  Securities  and  Exchange  Commission  or its staff upon
request.