Exhibit 12.4 ROGERS WIRELESS INC. SCHEDULE OF VALUATION AND QUALIFYING ACCOUNTS (in thousands of Canadian dollars) Balance, Balance, Beginning of Additions Deductions End of Period (1) (2) Period ------ --- --- ------ Twelve Months Ended: December 31, 2001 .. 52,453 33,583 (34,801) 51,235 December 31, 2002 .. 51,235 32,072 (38,142) 45,165 December 31, 2003 .. 45,165 43,959 (31,650) 57,474 (1) Represents increase in allowance for doubtful accounts receivable charged to expense. (2) Represents the accounts receivable written-off against the allowance for doubtful accounts receivable.