Exhibit 99.1

For Immediate Release
For Details Contact:
Ed Richardson
Chairman and Chief Executive Officer
Richardson Electronics, Ltd.
Phone: (630) 208-2340
E-mail: info@rell.com David J. DeNeve
Senior Vice President and
Chief Financial Officer
Richardson Electronics, Ltd. Corporate Headquarters
40W267 Keslinger Road
PO Box 393
LaFox, IL 60147-0393
USA
Phone:       (630) 208-2200
Fax:           (630) 208-2550

Richardson Electronics, Ltd. President and Chief

Operating Officer Resigns

LaFox, IL, Tuesday, April 4, 2006: Richardson Electronics, Ltd. (NASDAQ: RELL) today announced the resignation of Arthur Buckland as President, Chief Operating Officer and Board Member effective immediately. Mr. Buckland is leaving the Company to pursue personal interests. Edward Richardson will assume the positions of President and Chief Operating Officer until a permanent replacement is found.

About Richardson Electronics

Richardson Electronics, Ltd. is a global provider of “Engineered Solutions,” serving the RF, Wireless and Power Conversion; Electron Device; Security; 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 online at http://www.rell.com/investor.asp.