Canvys Announces New Image Systems 6MP LED Backlit Display and QC Vue at SIIM 2013

LaFox, Illinois – June 4, 2013… Canvys®, a division of Richardson Electronics, will introduce two significant developments at SIIM 2013 (Booth 521-523) including the Image Systems 6MP Color LED Backlit wide-screen display and QC Vue™, a browser-based tool for assessing image quality on mobile devices and displays.

The new Image Systems 6MP Color Display is a 30-inch class wide-screen display which sets the standard for value, quality, flexibility, and accuracy in diagnostic displays. The color LCD display features LED backlights that provide exceptionally high brightness and contrast. The front and rear luminance sensors and calibration features enable presentation of consistent diagnostic quality images that enhance workflow. Applications requiring a fusion of both high-fidelity grayscale and color images will benefit from this display, including PACS CR/DR grayscale images with color tools, PET, 3D, Cardiology, Ultrasound, Nuclear Medicine, and Digital Pathology.

QC Vue is a new tool designed to address some of the quality control issues currently present with the rapidly growing deployment of mobile devices. This tool provides users with more assurance that they are seeing the subtle details of an image, and provides administrators with a control tool to better understand, assess, and implement a quality control program around the performance of deployed display devices.

David Sorensen, Director of Operations/Healthcare for Canvys, will be presenting information pertaining to quality control of mobile devices in a session entitled “Medical Imaging? There’s an App for That!” during the 2013 annual meeting of the Society for Imaging Informatics in Medicine (SIIM). The session will be held from 2:45 to 3:45 p.m. on Thursday, June 6 at the Longhorn Exhibit Hall Innovation Theater in the Gaylord Texan Resort and Convention Center in Grapevine Texas. The session will be moderated by Dr. David S. Hirschorn, Director of Radiology Informatics at Staten Island University Hospital and nationally recognized speaker and researcher.

“Canvys has a long-standing commitment to the medical imaging community and our niche has been to supply quality display products, support services, and software tools that enable our customers to receive a high return value for their investment,” commented Mr. Sorensen. “Our new 6MP display and our innovative new QC Vue tool are good examples of what we bring to the market.”

See all of the above and more of the latest in display technology for medical imaging professionals at the Canvys booth (521-523) at SIIM 2013.

About Canvys

Canvys, a Division of Richardson Electronics, Ltd. (NASDAQ: RELL) is a global value- added integrator and manufacturer that specializes in creating comprehensive visual technology solutions for healthcare and Original Equipment Manufacturers (OEMs). Our collaborative approach allows us to evaluate each customer’s unique needs and craft the right solution using custom engineering, value-added outsourcing, or modified off-the-shelf components. In addition, we provide complete post-sale service and support, including installation support, maintenance, troubleshooting, calibration and conformance. For more information, visit us at www.canvys.com.

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 alternative energy, aviation, broadcast, communications, industrial, marine, medical, military, scientific and semiconductor markets. The Company’s strategy is to provide specialized technical expertise and “engineered solutions” based on our core engineering and manufacturing capabilities. 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.

Richardson Electronics Appoints Sandeep Beotra as Executive Vice President of Mergers and Acquisitions

LaFox, Illinois … Richardson Electronics, Ltd. (NASDAQ: RELL) today announced that Sandeep Beotra has been appointed as the company’s Executive Vice President, Mergers and Acquisitions. He will report directly to Edward J. Richardson, Chairman of the Board and Chief Executive Officer.

“We are extremely pleased to have Sandeep join our senior management team. He has a proven track record in identifying and evaluating growth opportunities and acquisitions as well as a wealth of highly relevant experience in the technology and telecommunications sectors. His background and expertise are in areas that meet our needs, including advisory experience on mergers and acquisitions, transaction execution, and relationship management. We believe that adding Sandeep to our executive team will enable us to better capitalize on strategic growth opportunities for Richardson Electronics,” said Mr. Richardson.

Mr. Beotra spent the past eleven years with Morgan Joseph Triartisan LLC, a middle market investment banking firm, where he most recently served as Managing Director covering Technology and Telecommunications.

Mr. Beotra received an MBA in Finance from the University of Maryland and earned his undergraduate degree from the Indian Institute of Technology (IIT) in Electronics and Communication Engineering.

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 alternative energy, aviation, broadcast, communications, industrial, marine, medical, military, scientific and semiconductor markets. The Company’s strategy is to provide specialized technical expertise and “engineered solutions” based on our core engineering and manufacturing capabilities. 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.

Richardson Electronics Expands Offering for CO2 Lasers

Improving efficiency and productivity by offering the highest quality RF Tubes and consumables at competitive pricesLaFox, Illinois– September 18, 2012- Richardson Electronics, a world leading supplier of the highest quality replacement RF tubes with 60 years of expertise, is now offering the French made THALES electron tube line for use in industrial CO2 laser systems and provides installation support in select countries. Claudio Schutz, VP and General Manager of the Industrial Services Group for Richardson Electronics, Inc., noted: “Owning a premium quality industrial laser is a significant investment. More and more laser owners are looking to selectively source the highest quality parts while watching their costs. Richardson Electronics helps them reduce the total cost of ownership of their equipment without sacrificing quality.” These tubes are used in Trumpf® and other laser systems. Original Equipment Manufacturers (OEMs) have found reliability and performance of THALES tubes to be second to none. Thousands of machines in service worldwide and customers preferring THALES tubes, such as the RS3021CJ and RS2048CJC, are a testimony to Thales’ quality. In addition Richardson Electronics provides installation support and service in select countries. Now customers that require assistance can still buy the best tubes in the industry supported by trained technicians. Richardson Electronics will be showcasing these productsat the FABTECH Expo in Chicago, McCormick Place, November 14-17, Booth 1241. Stop by to learn more about our quality products and support for the worldwide CO laser market and our extensive inventory of RF electron tubes, lenses, nozzles and other parts for industrial lasers. For more information go to: www.rellaser.com or contact us at laser@rell.com (800) 348-5580

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,