SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Apr. 28, 2012

SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II

VALUATION AND QUALIFYING ACCOUNTS

PATTERSON COMPANIES, INC.

(Dollars in thousands)

	Balance at Beginning of Period		Charged to Costs and Expenses		Charged to Other Accounts		Deductions		Balance at End of Period
Year ended April 28, 2012:
Deducted from asset accounts:
Allowance for doubtful accounts	$	8,365	$	2,445	$	—	$	2,979	$	7,831
LIFO inventory adjustment	$	61,385	$	5,422	$	—	$	—	$	66,807
Inventory obsolescence reserve		5,844		11,508		—		11,896		5,456
Total inventory reserve	$	67,229	$	16,930	$	—	$	11,896	$	72,263
Year ended April 30, 2011:
Deducted from asset accounts:
Allowance for doubtful accounts	$	9,111	$	3,409	$	—	$	4,155	$	8,365
LIFO inventory adjustment	$	56,961	$	4,424	$	—	$	—	$	61,385
Inventory obsolescence reserve		8,329		10,403		—		12,888		5,844
Total inventory reserve	$	65,290	$	14,827	$	—	$	12,888	$	67,229
Year ended April 24, 2010:
Deducted from asset accounts:
Allowance for doubtful accounts	$	9,773	$	4,579	$	—	$	5,241	$	9,111
LIFO inventory adjustment	$	51,934	$	5,027	$	—	$	—	$	56,961
Inventory obsolescence reserve		8,381		10,347		—		10,399		8,329
Total inventory reserve	$	60,315	$	15,374	$	—	$	10,399	$	65,290