August 30, 2011 04:45 PM Eastern Time Richardson Electronics Limited Agrees to Acquire Powerlink Specialist Electronic Support Limited LAFOX, Ill.–(BUSINESS WIRE)–Richardson Electronics Limited, a subsidiary of Richardson Electronics, Ltd. (NASDAQ:RELL) today announced the signing of a definitive agreement to acquire the assets of Powerlink Specialist Electronics Support Limited (“Powerlink”).

Powerlink, a UK-based technical service company with locations in London and Dubai, services traveling wave tube (TWT) amplifiers and related equipment for the Satellite Communications market throughout Europe and the Middle East. The company generated revenues of £1.3 million during its fiscal year ended May 2011. This acquisition positions Richardson Electronics to provide cost-effective distribution, installation and service of microwave tubes to communications, industrial, military and medical users around the world. “This is the first step in our strategy to make bolt-on acquisitions that take advan
tage of our existing infrastructure and maximize our channel to market. Powerlink has a long-standing history and excellent reputation in the satellite communication industry. The acquisition of Powerlink creates the foundation for our expansion into technical service centers which allows us to expand our share of the $1 billion microwave tube market. It also allows us to provide technical assistance to our power grid tube customers that do not have the capability to service their own equipment today which will help us increase power grid tube and related electronic component sales,” said Edward J. Richardson, Chairman and CEO of Richardson Electronics, Ltd. The transaction is subject to customary closing conditions. The companies expect the transaction to close in early September.

ABOUT RICHARDSON ELECTRONICS, LTD.

Richardson Electronics, Ltd. is a leading global provider of engineered solutions, power grid and microwave tubes and related consumables, and customized display solutions serving customers in the RF and microwave communications, military, marine, aviation, industrial, scientific and medical markets. Utilizing its core engineering and manufacturing capabilities, the Company’s strategy is to provide specialized technical expertise and “engineered solutions.” The Company provides solutions and adds value through design-in support, systems integration, prototype design and manufacturing, testing, logistics, and aftermarket
technical service and repair. More information is available online at www.rell.com . Richardson Electronics common stock trades on the NASDAQ Global Select Market under the ticker symbol RELL.

Contacts

Richardson Electronics, Ltd.
Edward J. Richardson
Chairman and CEO
(630) 208-2340
info@rell.com
or
Kathleen S. Dvorak
EVP & CFO
(630) 208-2208

RICHARDSON ELECTRONICS REPORTS FOURTH QUARTER AND FISCAL 2011 RESULTS, INCREASES SHARE REPURCHASE AUTHORIZATION AND DECLARES CASH DIVIDEND

RICHARDSON ELECTRONICS REPORTS THIRD QUARTER FISCAL 2011 RESULTS, INCREASES CASH DIVIDENDAND ANNOUNCES A SHARE REPURCHASE AUTHORIZATION

Richardson Electronics Announces Date of Third Quarter Fiscal 2011Conference Call

RICHARDSON ELECTRONICS REPORTS SECOND QUARTER FISCAL 2011 RESULTS AND DECLARES CASH DIVIDEND

LaFox, IL, October 1, 2010  Richardson Electronics, Ltd. (NASDAQ: RELL) today announced the signing of a definitive agreement
to sell its RF, Wireless and Power Division (RFPD) and certain other assets to Arrow Electronics, Inc. (NYSE: ARW) for $210 million in cash.

RFPD is a leading global provider of engineered solutions and a global distributor of electronic components to the RF and wireless communications market and the industrial power conversion market. RFPD designs, manufactures and distributes discrete devices, components, and assemblies used in RF and wireless infrastructure communications networks, digital broadcasting, defense applications and power conversion. RFPD generated revenue of $356 million during fiscal year 2010

Arrow intends to operate RFPD, which will be called “Richardson RFPD” as a separate operating unit of Arrow Electronics. Richardson RFPD headquarters will remainin LaFox, Illinois. “The decision to divest the RFPD division was not an easy one; however, this transaction provides an excellent return on our investment,” said Edward J. Richardson, chairman and CEO of Richardson Electronics, Ltd.

The transaction is subject to the approval of shareholders of Richardson Electronics as well as customary closing conditions and regulatory approvals. The companies expect the transaction to close in early 2011.

ABOUT RICHARDSON ELECTRONICS, LTD.

Richardson Electronics, Ltd. is a global provider of engineered solutions and a global distributor of electronic components to the radio frequency (“RF”), wireless and power conversion, electron device, and display systems markets. Utilizing its core engineering and manufacturing capabilities, the Company’s strategy is to provide specialized technical expertise and value-add, or “engineered solutions.” The Company provides solutions and>adds value through design-in support, systems integration, prototype design and manufacturing, testing, and logistics for end products of its customers. More information is available online at www.rell.com.

Richardson Electronics common stock trades on the NASDAQ Global Market under the ticker symbol RELL

FORWARD LOOKING STATEMENTS

This release includes certain “forward-looking” statements as defined by the
Securities and Exchange Commission. Statements in this press release regarding the Company’s business which are not historical facts represent “forward-looking” statements that involve risks and uncertainties. For a discussion of such risks and uncertainties, which could cause actual results to differ from those cont ined in the forward-looking statements, see Item 1A, “Risk Factors” in the Company’s 2010 Annual Report on Form 10-K. The Company assumes no responsibility to update the forward-looking statements in this release as a result of new information, future events, or otherwise