EXHIBIT 32.1

CERTIFICATION BY THE CHIEF EXECUTIVE OFFICER 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 Quarterly Report of QLT Inc., or the Company, on Form 10-Q for the period ended September 30, 2006 as filed with the Securities and Exchange Commission on the date hereof, or Form 10-Q, I, Robert L. Butchofsky, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:

(1)	The Form 10-Q fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or 78o(d)); and
(2)	The information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: November 9, 2006

/s/ Robert L. Butchofsky

Robert L. Butchofsky

President and Chief Executive Officer

QLT Inc.

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