AGREEMENT CONCERNING JOINT FILING OF SCHEDULE 13G

EXHIBIT 2

CUSIP No. 4432P 10 1

AGREEMENT CONCERNING JOINT FILING
OF SCHEDULE 13G

     The undersigned agree as follows:

     (i)  each of them is individually eligible to use the Schedule 13G to which this Exhibit is attached, and such Schedule 13G is filed on behalf of each of them; and

     (ii)  each of them is responsible for the timely filing of such Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other person making the filing, unless such person knows or has reason to believe that such information is inaccurate.

     This Agreement may be executed in any number of counterparts, each of which shall be deemed to be an original, but all of which, taken together, shall constitute one and the same instrument.

     Dated February 14, 2003

		V. XXXX XXXXX
		/s/ V. Xxxx Xxxxx
		1109519 ONTARIO LIMITED
		By:		/s/ V. Xxxx Xxxxx Name: V. Xxxx Xxxxx Title:   President
		THE SIXTY TWO INVESTMENT COMPANY LIMITED
		By:		/s/ V. Xxxx Xxxxx Name: V. Xxxx Xxxxx Title:   President
		810679 ONTARIO LIMITED
		By:		/s/ V. Xxxx Xxxxx Name: V. Xxxx Xxxxx Title:   President
		FAIRFAX FINANCIAL HOLDINGS LIMITED
		By:		/s/ Xxxx X. Xxxxxxxx Name: Xxxx X. Xxxxxxxx Title:   Vice President, Corporate Affairs
		ODYSSEY REINSURANCE CORPORATION
		By:		/s/ Xxxxxx X. Xxxxx Name: Xxxxxx X. Xxxxx Title:   Senior Vice President

		UNITED STATES FIRE INSURANCE COMPANY
		By:		/s/ Xxxxxx X. Xxxxxx Name: Xxxxxx X. Xxxxxx Title:   Senior Vice President and Controller