Richardson Announces Date of Fiscal 2008 Conference Call

Business Wire, July 24, 2008

LAFOX, Ill. -- Richardson Electronics, Ltd. (NASDAQ: RELL) plans to release its financial results for the fourth quarter and full year ended May 31, 2008, after the close of business on Wednesday, July 30, 2008. The release will be distributed by Business Wire and will be available on the Company's website at www.rell.com.

On Thursday, July 31, 2008, at 9:00 a.m. CT, Edward J. Richardson, Chairman and Chief Executive Officer, and Kathleen S. Dvorak, Chief Financial Officer, will host a conference call to discuss the Company's fourth quarter and fiscal 2008 results. A question and answer session will be included as part of the call's agenda. To listen to the call, please dial 888-482-0024 and enter passcode 46231055 approximately five minutes prior to the start of the call. A replay of the call will be available beginning at 11:00 a.m. CT on July 31, 2008, for seven days. The telephone numbers for the replay are (USA) 888-286-8010 and (International) 617-801-6888; access code 77481736.

About Richardson Electronics

Richardson Electronics, Ltd. is a global provider of "Engineered Solutions," serving the RF, Wireless & Power Conversion; Electron Device; and Display Systems markets. The Company delivers engineered solutions for its customers' needs through product manufacturing, systems integration, prototype design and manufacture, testing and logistics. Press announcements and other information about Richardson are available at www.rell.com.

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