Ex 99.4

Pursuant  to Section  906 of the  Sarbanes-Oxley  Act of 2002,  the  undersigned
certifies  that this periodic  report fully  complies with the  requirements  of
Section  13(a)  or  15(d)  of the  Securities  Exchange  Act of  1934  and  that
information contained in this periodic report fairly represents, in all material
respects,  the financial  condition  and results of operations of  Knightsbridge
Tankers Limited.

This  certification  is made solely for the purpose of 18 U.S.C Section 1350 and
not for any other purpose.

/s/ Kate Blankenship
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Kate Blankenship
Chief Financial Officer

Date: May 12, 2003