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Exhibit 99.1

SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS
(All dollar amounts expressed in thousands of U.S. dollars)

Column A	Column B	Column C Additions				Column D Deductions				Column E
Description	Balance at beginning of period	Charged to costs and expenses(1)		Charged to product sales(2)	Acquisitions of businesses	Write-offs of accounts receivable		Sales discounts and allowances		Balance at end of period
Allowance for doubtful accounts, deducted from accounts receivable
Year ended December 31, 2003	3,440	—		8,551	—	(49	)	(7,988	)	3,954
Year ended December 31, 2002	7,085	(1,501	)	8,148	—	(1,368	)	(8,924	)	3,440
Year ended December 31, 2001	4,049	3,906		4,106	—	(743	)	(4,233	)	7,085

(1)

Amounts represent the reserve for potential credit losses.

(2)

Amounts represent the reserve for sales discounts and allowances.

S-1

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SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (All dollar amounts expressed in thousands of U.S. dollars)