Item 2.02 Results of Operations and Financial Condition.

On January 22, 2013, Volterra Semiconductor Corporation (the "Company") issued a press release announcing its financial results for its fourth quarter and fiscal year ended December 31, 2012. The press release, dated January 22, 2013, is attached hereto as Exhibit 99.1.

The information contained in this report and the exhibit attached hereto is furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. The information contained herein and the exhibit attached hereto shall not be incorporated by reference into any filing with the Securities and Exchange Commission made by the Company, whether made before or after the date hereof, except as shall be expressly set forth by specific reference in such filing.

Item 8.01 Other Events.

The Company's press release also disclosed the acquisition of Element Energy, a startup with technology that significantly improves the performance, lifetime, reliability and cost of large battery packs used in a wide range of applications including stationary and renewable energy storage and hybrid and electric vehicles.

Item 9.01 Financial Statements and Exhibits.

The following exhibit is furnished with this document:

Number Description

99.1 Press Release dated January 22, 2013

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