Conflict Minerals Disclosure and Report 6-2-15

LaFox, IL, May 29, 2015:Richardson Electronics, Ltd. (NASDAQ: RELL) today announced that Kathleen S. Dvorak will be retiring as the company’s Executive Vice President and Chief Financial Officer once a successor is named.

“Kathy joined Richardson Electronics in 2007 during a very challenging period for the company. During her tenure, she has been instrumental in helping the company significantly reduce its operating expenses. In addition to serving as a member of the Executive team, Kathy has driven many important initiatives at Richardson including: identifying and implementing global cost
saving initiatives, implementing metrics for working capital management and developing and deploying our new IT system. I would personally like to thank Kathy for her contributions during her eight years at Richardson.  She has earned the respect of her colleagues, our Board of Directors and our shareholders.  Kathy has agreed to stay as we search for her replacement and to ensure a smooth transition of her responsibilities, ” said Edward Richardson, Chairman, Chief Executive Officer and President.

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.

LaFox, Illinois – April 8, 2015… Canvys^®, a division of Richardson Electronics (NASDAQ: RELL), announced today that its North American Facility in Marlborough, MA has been awarded ISO 13485:2003 for its quality management system.

The certification of compliance with ISO 13485 recognizes that Canvys’ policies, practices and procedures ensure our ability to deliver consistent quality medical devices and related services. With this certification, our customers can be confident that Canvys is dedicated to maintaining the highest level of quality, efficiency and responsiveness required by the medical community.

“Today many of our customers are medical equipment manufacturers who must meet very strict technical, functional and regulatory requirements.  Having both Canvys North America and Canvys Europe achieve ISO13485 certification demonstrates our ongoing commitment to achieve the highest level of quality, and further distinguishes Canvys as a global, premier provider of custom display solutions,” said Wendy Diddell, Executive Vice President and General Manager, Canvys.  “The Marlborough team worked extremely hard to achieve this certification and we look forward to sharing this success with our customers.”

About ISO 13485: 2003

ISO 13485: 2003 is an international standard, globally recognized for establishing quality management systems that consistently meet customer and regulatory requirements for safe and effective medical devices. ISO 13485 is based on quality management principles that have been proven to enhance organization performance. These principals relate to customer focus, management, internal processes and external relationships.

About Canvys – Visual Technology Solutions

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 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; high value displays, flat panel solutions and replacement parts for diagnostic imaging equipment; and customized display solutions.  We serve customers in the alternative energy, healthcare, 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 through its global infrastructure. 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 REPORTS THIRD QUARTER FISCAL
2015 RESULTS AND DECLARES QUARTERLY CASH DIVIDEND

LaFox, IL, Wednesday, April 1, 2015: Richardson Electronics, Ltd. (NASDAQ: RELL) plans to release its financial results for its third quarter ended February 28, 2015, after the close of business on Wednesday, April 8, 2015. The release will be distributed by Business Wire and will be available on the Company’s website at www.rell.com.

On Thursday, April 9, 2015, 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 third quarter fiscal 2015 results. A question and answer session will be included as part of the call’s agenda. To listen to the call, please dial (888) 339-2688 and enter passcode 24886741 approximately five minutes prior to the start of the call. A replay of the call will be available beginning at 11:59 p.m. CT on April 9, 2015, for seven days. The telephone numbers for the replay are (USA) (888) 286-8010 and (International) (617) 801-6888; passcode 54585568.

About Richardson Electronics

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 REPORTS SECOND QUARTER FISCAL 2015 RESULTS AND DECLARES QUARTERLY CASH DIVIDEND

LaFox, IL, Monday, December 29, 2014: Richardson Electronics, Ltd. (NASDAQ: RELL) plans to release its financial results for its second quarter ended November 29, 2014, after the close of business on Wednesday, January 7, 2015. The release will be distributed by Business Wire and will be available on the Company’s website at www.rell.com.

On Thursday, January 8, 2015, 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 second quarter fiscal 2015 results. A question and answer session will be included as part of the call’s agenda. To listen to the call, please dial (888) 339-2688 and enter passcode 33009289 approximately five minutes prior to the start of the call. A replay of the call will be available beginning at 11:59 p.m. CT on January 8, 2015, for seven days. The telephone numbers for the replay are (USA) (888) 286-8010 and (International) (617) 801-6888; passcode 69945400.

About Richardson Electronics

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.

LaFox, Illinois – December 1, 2014… Richardson Healthcare announced today at the 100th annual RSNA Meeting the latest new product addition to its portfolio – the Thales Artpix™ Mobile EZ2GO.

The EZ2GO is a wireless digital radiography detector that is linked to a rugged portable tablet. It is an ideal Computed Radiography (CR) to Direct Radiography (DR) solution for Radiology departments because a generator or system interface is not required. Everything is managed via a tablet and a wireless connection. This solution allows users to import a work list, acquire an image, post process and send final images to a Picture Archiving Computer System (PACS).

Richardson Healthcare is applying its in house team of engineering and product development resources to develop a variety of DR system retrofits and upgrades. Richardson has partnered with Thales, a leader in flat panel detector technology, for wired and wireless detectors, including the new ArtPix EZ2GO solution.

“Richardson believes EZ2GO is a game changer in the DR market. It’s completely portable and can be used with any existing X-ray equipment,” commented Pat Fitzgerald, Executive Vice President and General Manager of Richardson Healthcare. “This product aligns with Richardson Healthcare’s objective to bring cost effective solutions to hospitals and other healthcare providers.”

Featuring Thales’ best-in-class Pixium 3543EZ and 2430EZ portable wireless detectors, the Artpix EZ2GO offers many advantages including:

• Easy upgrade from CR to DR.
• Auto detection capability makes for a Plug and Play solution, ready for immediate use with no need for a generator or system interface.
• The system is ultra-portable featuring the world’s lightest wireless flat panel detectors available today.
• Waterproof, rugged detector built to withstand the toughest environments.
• The only detector on the market to include a two year drop warranty at no additional charge.

See the Artpix EZ2GO at RSNA 2014 November 30 through December 5, in the Richardson Healthcare Booth # 6907 (North Building Hall of McCormick Place, Chicago, Illinois). For more information about this product and other flat panel detectors, visit our new website www.rellhealthcare.com.

About Richardson Healthcare

Richardson Electronics Healthcare provides flexible, efficient high-value diagnostic imaging replacement parts, components, and technical support to hospitals, diagnostic imaging centers, medical institutions, independent service organizations and more. We have a focused product selection of diagnostic imaging components and displays, as well as robust in-house manufacturing capabilities. 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.rellhealthcare.com.

About Richardson Electronics, Ltd.

Richardson Electronics, Ltd. is a leading global provider of engineered solutions, power grid and microwave tubes and related consumables; high value displays, flat panel solutions and replacement parts for diagnostic imaging equipment; and customized display solutions. We serve customers in the alternative energy, healthcare, 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 through its global infrastructure. 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.

LaFox, Illinois – November 24, 2014… Richardson Electronics, Ltd. (NASDAQ: RELL), announced today it will be launching its new Healthcare Division at the 100th annual RSNA Meeting held November 30 through December 5, in Booth 6907 located in the North Building Hall of McCormick Place, Chicago, Illinois.

Richardson’s newly formed strategic business unit will be focused on high quality replacement parts for the diagnostic imaging equipment market. The product portfolio will include flat panel detectors, CT and MRI replacement tubes, training and other related products and services. In addition, the medical display products formerly under the North American healthcare segment of Canvys will now be part of this new division. These display products include Image Systems diagnostic imaging displays used with Picture Archiving and Communication Systems (PACS) as well as operating room/surgical displays and related solutions.

“Healthcare providers today are struggling to provide additional patient care with fewer resources and lower reimbursement rates. Richardson Healthcare will help hospitals and third party service organizations reduce the cost of healthcare delivery with high value replacement parts, upgrades and training.” commented Pat Fitzgerald, Executive Vice President and General Manager of Richardson Healthcare. “With our global infrastructure and presence in more than 40 countries, we are well positioned to support the healthcare market throughout the world.”

A new website has been launched to showcase the Richardson Healthcare products and services at www.rellhealthcare.com. The expanded web content and functionality make it easier for visitors to understand the Company’s focus and to find valuable information on its full line of healthcare products and capabilities.

As a division of Richardson Electronics, the goal is to provide peace of mind, great value and a hassle-free experience to healthcare institutions around the world. The product selection and service can help make healthcare delivery more affordable, and will allow our customers to focus on patients. Learn more about Richardson Healthcare at RSNA 2014 – Booth # 6907.

About Richardson Healthcare

Richardson Electronics Healthcare provides flexible, efficient high-value diagnostic imaging replacement parts, components, and technical support to hospitals, diagnostic imaging centers, medical institutions, independent service organizations and more. We have a focused product selection of diagnostic imaging components and displays, as well as robust in-house manufacturing capabilities. 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.rellhealthcare.com.

About Richardson Electronics, Ltd.

Richardson Electronics, Ltd. is a leading global provider of engineered solutions, power grid and microwave tubes and related consumables; high value displays, flat panel solutions and replacement parts for diagnostic imaging equipment; and customized display solutions. We serve customers in the alternative energy, healthcare, 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 through its global infrastructure. 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.

LaFox, Illinois – November 11, 2014, Richardson Electronics, a leading global manufacturer and supplier of the highest quality replacement RF tubes since 1947, is now offering water treatment kits and an expanded product line of high quality replacement bellows for use in Trumpf® and Bystronic® lasers. Richardson Electronics will be showcasing these products at the FABTECH 2014 show – Booth B2129.

The water treatment kits are equivalent to the OEM original kits and contain the exact portions of biocide and inhibitors that will keep the water of specific chiller systems clean for 12 months. Designed and manufactured in Europe, Richardson’s laser bellows are made with heat resistant, flame retardant materials and are able to withstand high operating temperatures while providing years of service. Laser bellows from Richardson will keep unwanted particles out of the laser beam and protect machine rails, racks and bearings.

Claudio Schutz, VP and General Manager of the Industrial Services Group for Richardson Electronics, Ltd., noted, “While the sales of fiber and solid state lasers are increasing, there is—and will continue to be—a large installed base of CO2 lasers. By offering more spare parts and consumables, we help our customers stay competitive with their existing technology and allow them to lower their total cost of ownership.”

In addition to its expanded product offering, Richardson Electronics continues to supply the tubes that are used in Trumpf^® and other laser systems. The THALES RS3021CJ and RS2048CJC power grid tubes are known for their reliability and performance. Combined with its expanded portfolio of high quality aftermarket parts, Richardson reduces the cost of ownership to help laser users around the world become more competitive. To complement its products, Richardson Electronics provides installation support and service in select countries. To learn more, visit us at FABTECH – Booth B2129 or online at www.rellaser.com