Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2012

Schedule II - Valuation and Qualifying Accounts

Schedule II — Valuation and Qualifying Accounts

Pentair Ltd. and Subsidiaries

In thousands	Beginning balance		Additions charged to costs and expenses		Deductions (1)		Other changes (2)		Ending balance
Allowances for doubtful accounts
Year ended December 31, 2012		$ 16,000		$ 1,615		$ 4,040		$    420		$ 13,995
Year ended December 31, 2011		$ 17,119		$ 4,447		$ 4,724		$ (842)		$ 16,000
Year ended December 31, 2010		$ 14,154		$ 4,300		$ 1,152		$ (183)		$ 17,119

(1) Uncollectible accounts written off, net of recoveries

(2) Result of foreign currency effects