EX-99.1 9 a2178055zex-99_1.htm EXHIBIT 99.1

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
   Column D
   Column E
 
    
   Additions
   Deductions
    
 
   Balance at beginning of period
   Charged to costs and expenses(1)
   Charged to product sales(2)
   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, 2006   $ 4,300   $ (402 ) $ 5,365   $ (337 ) $ (5,423 ) $ 3,503
Year ended December 31, 2005     4,716     427     6,844     (421 )   (7,266 )   4,300
Year ended December 31, 2004     3,954     2,365     5,797     (378 )   (7,022 )   4,716
(1)
Amounts represent the reserve for (recovery of) potential credit losses.

(2)
Amounts represent the reserve for sales discounts and allowances.