EXHIBIT 99.1


                        CERTIFICATION OF PERIODIC REPORT

I, Jimmy S.H. Lee, Chief Executive Officer of Mercer International Inc. (the
"Company"), certify pursuant to Section 906 of the SARBANES-OXLEY ACT of 2002,
18 U.S.C. Section 1350, that:

     (1)  the Quarterly Report on Form 10-Q of the Company for the quarterly
          period ended March 31, 2003 (the "Report") fully complies with the
          requirements of Section 13(a) of the SECURITIES EXCHANGE ACT OF 1934
          (15 U.S.C. 78m or 78o(d)); and

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

Dated: May 12, 2003

                                       /s/ Jimmy S.H. Lee
                                       -----------------------
                                       Jimmy S.H. Lee
                                       Chief Executive Officer

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