Exhibit 99.1

NEWS RELEASE

cc12-07/C1205

LSI Reports Fourth Quarter and Full-Year 2011 Results

Quarterly revenue up 11% year over year, driven by share gains and new product cycles

MILPITAS, Calif., January 25, 2012 – LSI Corporation (NYSE: LSI) today reported results for its fourth quarter and full year ended December 31, 2011.

Fourth Quarter and Full Year 2011 Highlights

First Quarter 2012 Business Outlook

“Our growth last year in a challenging macro environment and our guidance for the first quarter of 2012 demonstrate the results of our ongoing strategic focus on delivering semiconductors and software that accelerate storage and networking applications,” said Abhi Talwalkar, LSI president and CEO. “We enter 2012 building on strong business momentum and are accelerating our revenue growth with share gains and new design wins at key customers and in critical markets such as mega datacenters, cloud computing, mobile networks and flash storage.”

Fourth quarter 2011 revenues from continuing operations were $523 million, in line with guidance, compared to $471 million generated from continuing operations in the fourth quarter of 2010, and compared to $547 million generated from continuing operations in the third quarter of 2011.

Fourth quarter 2011 GAAP* income from continuing operations was $11 million or 2 cents per diluted share, compared to fourth quarter 2010 GAAP income from continuing operations of $5 million or 1 cent per diluted share. Third quarter 2011 GAAP income from continuing operations was $32 million or 5 cents per diluted share. Fourth quarter 2011 GAAP income from continuing operations included a net charge of $62 million from special items, consisting primarily of approximately $29 million of amortization of acquisition-related items, $12 million of stock-based compensation expense and $21 million of net restructuring and other items. Fourth quarter 2011 GAAP results from continuing operations also included a $9 million net tax benefit, or 2 cents per diluted share, primarily related to the expiration of statutes of limitations and other non-cash tax items.

Fourth quarter 2011 GAAP net loss was $2 million or 0 cents per diluted share, compared to fourth quarter 2010 GAAP net loss of $13 million or 2 cents per diluted share. Third quarter 2011 GAAP net income was $29 million or 5 cents per diluted share.

Fourth quarter 2011 non-GAAP** income from continuing operations was $73 million or 13 cents per diluted share, compared to fourth quarter 2010 non-GAAP income from continuing operations of $53 million or 8 cents per diluted share. Fourth quarter 2011 non-GAAP results included a $9 million net tax benefit, or 2 cents per diluted share, primarily related to the expiration of statutes of limitations and other non-cash tax items. Third quarter 2011 non-GAAP income from continuing operations was $83 million or 14 cents per diluted share.

Fourth quarter 2011 non-GAAP net income was $60 million or 10 cents per diluted share, compared to fourth quarter 2010 non-GAAP net income of $90 million or 14 cents per diluted share. Third quarter 2011 non-GAAP net income was $83 million or 14 cents per diluted share.

Cash and short-term investments totaled approximately $935 million at quarter end. The company completed fourth-quarter purchases of approximately 5 million shares of its common stock for approximately $27 million. In 2011, the company purchased approximately 72 million shares of its common stock for approximately $499 million under its $750 million share repurchase program.

LSI recorded full-year 2011 revenues from continuing operations of $2.04 billion, a 9.3% increase compared to $1.87 billion in 2010. The company reported 2011 GAAP net income of $331 million or 55 cents per diluted share. Full-year 2011 GAAP results compare to full-year 2010 GAAP net income of $40 million or 6 cents per share.

Full-year 2011 GAAP net income included a net charge of $191 million in special items from continuing operations, consisting primarily of $116 million in amortization of acquisition-related items, $51 million of stock-based compensation expense, and $24 million of restructuring costs and other items. Full-year 2011 GAAP net income also included $241 million of income from discontinued operations, net of taxes, which included a gain of $260 million related to the sale of the external storage systems business.

Non-GAAP net income for 2011 was $303 million or 50 cents per diluted share, compared to 2010 non-GAAP net income of $333 million or 52 cents per diluted share.

Bryon Look, LSI CFO and chief administrative officer, said, “We remain focused on driving improvements to operating margins. The combination of share gains, new product cycles, and continued expense control are expected to drive increased profitability levels going forward.”

LSI 1Q2012 Business Outlook for Continuing Operations

Capital spending is projected to be around $20 million in the first quarter and approximately $65 million in total for 2012.

Depreciation and software amortization is projected to be around $18 million in the first quarter and approximately $70 million in total for 2012.

LSI Conference Call Information

LSI will hold a conference call today at 2 p.m. PDT to discuss fourth quarter and full year 2011 financial results and the first quarter 2012 business outlook. Internet users can access the conference call at http://www.lsi.com/webcast. Subsequent to the conference call, a replay will be available at the same web address.

Forward-Looking Statements: This news release contains forward-looking statements that are based on the current opinions and estimates of management. These statements are subject to certain risks and uncertainties that could cause actual results to differ materially from those anticipated in the forward-looking statements. Factors that could cause LSI’s actual results to differ materially from those set forth in the forward-looking statements include, but are not limited to: our ability to successfully integrate and manage the SandForce business and retain its key employees; our ability to achieve anticipated synergies and to develop integrated new products following our acquisition of SandForce; our ability to eliminate costs related to the external storage systems business that we sold in 2011; our ability to repurchase our common stock at prices we believe to be advantageous; the impact of the recent flooding in Thailand; our reliance on major customers and suppliers; our ability to keep up with rapid technological change; our ability to compete successfully in competitive markets; fluctuations in the timing and volumes of customer demand; the unavailability of appropriate levels of manufacturing capacity; and general industry and macro-economic conditions. For additional information, see the documents filed by LSI with the Securities and Exchange Commission, and specifically the risk factors set forth in the company’s most recent reports on Form 10-K and 10-Q. LSI disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

About LSI

LSI Corporation (NYSE: LSI) designs semiconductors and software that accelerate storage and networking in datacenters and mobile networks. Our technology is the intelligence critical to enhanced application performance. The company applies its technology in solutions created in collaboration with our partners. More information is available at www.lsi.com.

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LSI and the LSI & Design logo are trademarks or registered trademarks of LSI Corporation. All other brand or product names may be trademarks or registered trademarks of their respective companies.

LSI CORPORATION

Condensed Consolidated Balance Sheets

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LSI CORPORATION

Consolidated Statements of Operations (GAAP)

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Reconciliations of certain GAAP measures to non-GAAP measures are included below.

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Consolidated Statements of Cash Flows

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