ITEM 8.01 Other Events.

Pentair Finance S.A. (the "Issuer"), a wholly-owned subsidiary of Pentair Ltd. (the "Company"), has previously issued $350 million aggregate principal amount of its 1.350% Senior Notes due 2015, $350 million aggregate principal amount of its 1.875% Senior Notes due 2017, $250 million aggregate principal amount of its 2.650% Senior Notes due 2019, $373 million aggregate principal amount of its 5.000% Senior Notes due 2021, and $550 million aggregate principal amount of its 3.150% Senior Notes due 2022 (collectively, the "Notes") in transactions exempt from the registration requirements of the Securities Act of 1933, as amended. The Company has fully and unconditionally guaranteed the due and punctual payment of the principal of, premium, if any, and interest and any additional amounts, if any, on the Notes.

In connection with the Company's and the Issuer's anticipated filing of a Registration Statement on Form S-4 relating to an offer to exchange the Notes for new, registered Notes, and in accordance with Article 11 of Regulation S-X, the Company is filing as Exhibit 99.1 to this Current Report on Form 8-K unaudited pro forma condensed combined financial information which gives effect to the Transactions (as defined in Exhibit 99.1) and the Pentair Reorganization (as defined in Exhibit 99.1) as if they had been consummated on January 1, 2012.

ITEM 9.01 Financial Statements and Exhibits.

(a) Financial Statements of Business Acquired

Not applicable.

(b) Pro Forma Financial Information

Not applicable.

(c) Shell Company Transactions

Not applicable.

(d) Exhibits

The following exhibit is filed herewith:

Exhibit Document

99.1 Unaudited Pro Forma Condensed Combined Financial Information

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