CERTIFICATION OF
CHIEF FINANCIAL OFFICER
PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906
OF THE
SARBANES-OXLEY ACT OF 2002
I,JOHN S. THOMSON, Acting/Interim Chief Financial Officer ofKIRKLAND LAKE GOLD INC. (the “Corporation”), hereby certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:
| (i) | the Annual Report on Form 20-F of the Corporation, for the fiscal year ended April 30, 2006, and to which this certification is attached as Exhibit 4 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and | |
| (ii) | the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Corporation. |
| By: | (signed) John S. Thomson | |
| Name: | JOHN S. THOMSON | |
| Title: | Acting Chief Financial Officer | |
| Date: | September 13, 2006 |
