UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.   )   

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Filed by a Party other than the Registrant	ý

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¨           Preliminary proxy statement.

¨           Confidential, for use of the Commission Only (as permitted by Rule 14a-6(e)(2)).

¨           Definitive Proxy Statement.

¨           Definitive Additional Materials.

ý           Soliciting Material Pursuant to § 240.14a-12.

Silicon Storage Technology, Inc.

(Name of Registrant as Specified in its Charter)

Microchip Technology Incorporated

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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¨ Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

(1) Title of each class of securities to which transaction applies:

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Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):

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Filed by Microchip Technology Incorporated

Pursuant to Rule 14a-12

of the Securities Exchange Act of 1934

Subject Company: Silicon Storage Technology, Inc.

Commission File No.: 000-26944

On February 3, 2010, Microchip Technology Incorporated posted the following materials on their website, www.microchip.com, in connection with their proposed acquisition of Silicon Storage Technology, Inc.

©February 2010

Silicon Storage Technology Acquisition

February 3, 2010

2

SST Acquisition/February 2010

SST Overview

●Global leader in embedded Flash technology
and licensing

●Other businesses include

ØSerial/Parallel/Specialty Flash Memory

Ø8051 Microcontrollers and NAND Controllers

ØNAND Drives

ØWiFi Power Amplifiers and Low Noise Amplifiers

●Headquartered in Sunnyvale, CA

Ø574 employees worldwide

●~$180M cash and liquid trading securities on
balance sheet

ØNo debt

3

SST Acquisition/February 2010

Compelling Strategic Rationale

●Proprietary SuperFlash® technology is a critical
building block technology for advanced
microcontrollers

ØLicensed by most major foundries and microcontroller
OEM’s

ØSecures critical embedded flash technology for our core
microcontroller business

ØEnables earlier access to advanced technologies

ØEnables ability to customize technology variants that give
us an advantage over competing technologies

●Adds strong patent portfolio to Microchip IP
portfolio

Ø>360 patents granted; >180 patents pending

●Adds 8051 microcontrollers and NAND
controllers to our portfolio

4

SST Acquisition/February 2010

Financial Reporting Plan

●Licensing, 8051 microcontrollers and NAND controller
will be consolidated into Microchip’s financial reporting
for continuing operations

ØContinue investing in Superflash technology, consistent with
enabling our technology needs and growing the licensing business

●Plan to rationalize Serial/Parallel/Specialty Flash
businesses consistent with:

ØSupporting and growing the licensing business

ØEmulating Microchip’s high margin serial EEPROM business model

ØWill be treated as an asset held for sale until rationalizing is
completed

●Plan to divest NAND Drive and WiFi Amplifier
businesses

ØWill be assets held for sale

5

SST Acquisition/February 2010

Transaction Summary

●Transaction value of $275M

Ø$95M net of SST’s cash and liquid trading
securities

●Expect excellent blended non-GAAP
operating margins after divestitures

●Expect transaction to be accretive on a
non-GAAP basis in the first full quarter

●Expect transaction to close in CQ210

©February 2010

Forward-Looking Statements

The foregoing slides contain statements regarding our plans for SST's technology and business units, expected Non-GAAP operatingx
margins and the transaction being accretive on a Non-GAAP basis.  Such statements are forward-looking statements made pursuant to
the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These statements involve risks and uncertainties that
could cause actual results to differ materially, including, but not limited to: the actual timing of the closing of the SST acquisition, the
satisfaction of the conditions to closing in the SST acquisition agreement, any termination of the SST acquisition agreement, changes in
demand or market acceptance of SST’s products and technology and the products and technology needs of its customers, changes in
demand or market acceptance of our products and the products of our customers; competitive developments including changes in
microcontroller technologies; the costs and outcome of any current or future tax audit or any litigation involving our or SST’s intellectual
property, customers or other issues; disruptions due to natural disasters, terrorist activity, armed conflict, war, worldwide oil prices and
supply, public health concerns or disruptions in the transportation system; and general economic, industry or political conditions in the
United States or internationally. For a detailed discussion of these and other risk factors, please refer to the filings of Microchip on Forms
10-K and 10-Q. You can obtain copies of Microchip’s Forms 10-K and 10-Q and other relevant documents for free at Microchip’s Web
site (www.microchip.com) or the SEC's Web site (www.sec.gov) or from commercial document retrieval services.  Stockholders are
cautioned not to place undue reliance on our forward-looking statements, which speak only as of the date such statements are made. 
Microchip undertakes no obligation to publicly update any forward-looking statements to reflect events, circumstances or new
information after the February 3, 2010 date of these slides or to reflect the occurrence of unanticipated events.

Thank You!

www.microchip.com

©February 2010

Additional Information and Where to Find It

 In connection with the proposed merger, SST will file a proxy statement and other related documents with the Securities and Exchange
Commission, or the SEC.  INVESTORS AND SHAREHOLDERS ARE ADVISED TO READ THESE DOCUMENTS WHEN THEY
BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION.  Investors and shareholders may obtain a free
copy of these documents (when available) and other documents filed by SST at the SEC's web site at www.sec.gov and at the Investor
section of their website at www.SST.com.  The proxy statement and such other documents may also be obtained for free from SST by
directing such request to Silicon Storage Technology, Inc., Attention:  Ricky Gradwohl, 1020 Kifer Road, Sunnyvale, California 94086,
Telephone: (408) 735-9110.

Microchip, SST and their directors and executive officers may be deemed to be participants in the solicitation of proxies from the
shareholders of SST in connection with the Merger.  Information regarding the special interests of these directors and executive officers
in the transaction will be included in the proxy statement described above.  Additional information regarding the directors and executive
officers of Microchip is also included in Microchip's proxy statement for its 2009 Annual Meeting of Stockholders, which was filed with the
SEC on July 10, 2009.  Additional information regarding the directors and executive officers of SST is also included in SST’s proxy
statement for its 2009 Annual Meeting of Shareholders, which was filed with the SEC on April 30, 2009.  These documents are available
free of charge at the SEC's web site at www.sec.gov and as described on the previous slide.

Thank You!

www.microchip.com