EXHIBIT 99.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of SourcingLink.net, Inc. (the “Company”) on Form 10-KSB for the period ended March 31, 2003 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Marcel van Heesewijk, Chairman, Chief Executive Officer and Vice President of Sales of the Company, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 780(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: June 25, 2003

/s/    Marcel van Heesewijk

Marcel van Heesewijk

Chairman, Chief Executive Officer and
Vice President of Sales