LaFox, IL, Tuesday, November 14, 2016 – Richardson Electronics, Ltd. (NASDAQ: RELL) announced today a new distribution agreement with United Silicon Carbide, inc., a leading manufacturer for SiC devices located in Monmouth Junction, New Jersey. This global agreement supports the expansion of USCi’s products to new customers.

United Silicon Carbide, inc. is a semiconductor company specializing in the development of high efficiency Silicon Carbide (SiC) devices and customized products with process expertise in Schottky Barrier Diodes and SiC switches. USCi technology and products enable affordable power efficiency in key markets that will drive the new and greener economy.

Richardson Electronics is a global channel partner for industry-leading electronic components and engineered solutions.

“USCi’s unique SiC Cascodes offer a rapid and easy way to upgrade Si MOSFET based designs to the higher performance and greater efficiency of Silicon Carbide,” said Greg Peloquin, Executive Vice President of Richardson Electronics Power & Microwave Technologies group. “This unique technology and Richardson’s world class global capabilities of bringing new products to market will accelerate the introduction of USCi to the global market and customer base.”

“Richardson Electronics is a perfect partner for our products,” responded Mr. Christopher Rocneanu, Director Sales. “They are a design-in oriented and application focused distributor with a worldwide presence and, through their highly technical expertise; they can support customers throughout the entire design cycle which can make the difference between success and failure. Furthermore, Richardson has an outstanding reputation for launching the newest products and latest technologies to the global marketplace which will help us reach new customers and take advantage of increased opportunities for SiC applications.”

About Richardson Electronics, Ltd.

Richardson Electronics, Ltd. is a leading global provider of engineered solutions, power grid and microwave tubes and related consumables; power conversion and RF and microwave components; high value displays, flat panel detector 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 at www.rell.com.

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

About USCi

United Silicon Carbide, inc. is a semiconductor company specializing in the development of high efficiency Silicon Carbide (SiC) devices and customized products with process expertise in Schottky Barrier Diodes and SiC switches. USCi technology and products enable affordable power efficiency in key markets that will drive the new and greener economy.

These include: wind and solar power generation, energy storage, electrification of transportation, emerging Smart Grid technologies, motor control, and numerous other applications that require higher efficiency, compact designs, and demanding thermal constraints.

For more information on USCi, please visit USCi at www.UnitedSiC.com.

Disruptive technologies and products featured, along with debut of PrecisePower™ product line

LaFox, IL, Monday, June 20, 2016 – Richardson Electronics, Ltd. (NASDAQ: RELL) announces today its participation at the 50th Annual Microwave Power Symposium (IMPI 50). IMPI brings together researchers, technologists and engineers from across the globe to share the latest findings on microwave and radio frequency power systems for non-communication applications, including food technology, medical applications, chemical and material processing, and new emerging technologies.

WHERE

The Caribe Royal All Suite Hotel and Convention Center
Orlando, Florida, USA

WHEN

June 21-23, 2016

WHAT

As an exhibitor and silver sponsor, Richardson Electronics will present a key selection of its partner manufacturers’ disruptive technologies and products. It will also debut its PrecisePower™ line of products.

WWW

IMPI 50

About Richardson Electronics, Ltd.

For nearly 70 years, Richardson Electronics has been your industry-leading global provider of engineered solutions, RF & microwave and power products. With the launch of the Power & Microwave Technologies group, we continue this legacy and complement it with new products from the world’s most innovative technology partners. Richardson Electronics’ Power & Microwave Technologies group focuses on what we do best: identify and design disruptive technologies, introduce new products on a global basis, develop solutions for our customers, and provide exceptional worldwide support. As a global company, we provide solutions and add value through design-in support, systems integration, prototype design and manufacturing, testing, logistics, and aftermarket technical service and repair—all through our existing global infrastructure. More information is available at www.rellpower.com.

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

Industrial power semiconductor guide includes inverter SCRs, phase control SCRs, diodes and heatsinks

LaFox, IL, Wednesday, May 25, 2016 – Richardson Electronics, Ltd. (NASDAQ: RELL) announced today the publication of an updated product selection guide for its National brand of industrial power semiconductors.

The new guide offers extensive performance specifications and reference drawings for National’s portfolio of inverter SCRs, phase control SCRs, diodes, heatsinks and other products, with comparative data tables that simplify design and purchase decisions.

Richardson Electronics’ National brand leverages the Company’s expertise and experience with bipolar components, including SCR and rectifier discretes and modules, as well as passive components. Founded in 1947, Richardson Electronics is a global channel partner for world-class electron devices, power electronics, and RF and microwave components.

The new National product selection guide is available online as a downloadable pdf file. Printed copies are available by request.

About Richardson Electronics, Ltd.

For nearly 70 years, Richardson Electronics has been your industry-leading global provider of engineered solutions, RF & microwave and power products. With the launch of the Power & Microwave Technologies group, we continue this legacy and complement it with new products from the world’s most innovative technology partners. Richardson Electronics’ Power & Microwave Technologies group focuses on what we do best: identify and design disruptive technologies, introduce new products on a global basis, develop solutions for our customers, and provide exceptional worldwide support. As a global company, we provide solutions and add value through design-in support, systems integration, prototype design and manufacturing, testing, logistics, and aftermarket technical service and repair—all through our existing global infrastructure. More information is available at www.rellpower.com.

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

Authorizes highly-technical sales team to promote ultra-efficient SiC products for new opportunities

LaFox, IL, Thursday, May 19, 2016 – Richardson Electronics, Ltd. (NASDAQ: RELL) announced today a new franchise agreement with Global Power Technologies Group, a full-service manufacturer of low-cost, silicon carbide (SiC) semiconductors for the commercial power market. The agreement aligns with Global Power Technologies Group’s efforts to identify new opportunities using SiC technology, as market demand continues to expand for power electronics and green energy technologies. Richardson Electronics has this extensive portfolio of components in stock and ready for distribution.

Global Power Technologies Group is a portfolio company of the Global Opportunities Fund (GOF), which is a venture fund uniquely focused on the application of wide-bandgap materials technology for the development of high-frequency, high-temperature and efficient power semiconductor devices.

Richardson Electronics is a global channel partner for world-class electron devices, power electronics, and RF and microwave components.

“We are pleased to align with a key innovator of SiC discrete power devices and SiC-based power modules and subsystems for the electric vehicle/hybrid electric vehicle, server, solar inverter, lighting, and power industries,” said Greg Peloquin, Executive Vice President of Richardson Electronics’ Power & Microwave Technologies group. “Global Power Technologies Group’s focus on highly efficient and compact products with high integration and performance at a low cost results in game-changing power electronics for our customers.”

“Richardson Electronics performs a unique service to the power semiconductor industry and is an ideal fit, with a highly technical sales force that concentrates on achieving design-wins,” stated Michael Digangi, Executive Vice President and Chief Business Development Officer of Global Power Technologies Group.

About Richardson Electronics, Ltd.

For nearly 70 years, Richardson Electronics has been your industry-leading global provider of engineered solutions, RF & microwave and power products. With the launch of the Power & Microwave Technologies group, we continue this legacy and complement it with new products from the world’s most innovative technology partners. Richardson Electronics’ Power & Microwave Technologies group focuses on what we do best: identify and design disruptive technologies, introduce new products on a global basis, develop solutions for our customers, and provide exceptional worldwide support. As a global company, we provide solutions and add value through design-in support, systems integration, prototype design and manufacturing, testing, logistics, and aftermarket technical service and repair—all through our existing global infrastructure. More information is available at www.rellpower.com.

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

About Global Power Technologies Group

Global Power Technologies Group, Inc. (“GPTG”) is an integrated development and manufacturing company dedicated to products based on Silicon Carbide (SiC) technologies. These products will be foundational to the power electronics’ current energy industry needs where advanced technologies are needed for low cost, highly efficient power generation, conversion and transmission for the alternative energy, automotive, industrial, and aerospace and defense markets.

Product portfolio features RF energy passive products

LaFox, IL, Wednesday, May 11, 2016 – Richardson Electronics, Ltd. (NASDAQ: RELL) announced today a new global distribution agreement with Anaren, Inc., a leading designer, manufacturer and seller of custom high-frequency solutions and standard components for the wireless communications, space and defense electronics, wireless consumer electronics, and IoT markets. The agreement aligns with both companies’ commitment to finding innovative ways to create and provide solutions for customers.

Anaren was founded in 1967 as a supplier of microwave components and subassemblies to the defense electronics market. Today it is a major innovator of standard products and custom microwave and RF technology, with four facilities worldwide.

Founded in 1947, Richardson Electronics is a global channel partner for RF and microwave components, power electronics, and world-class electron devices.

“Anaren’s products combine innovative engineering, design, materials processing, and world-class volume manufacturing,” said Greg Peloquin, Executive Vice President of Richardson Electronics’ Power & Microwave Technologies group. “We are excited to bring its core competency in high-frequency electronics, proprietary materials and processes, and resulting industry-leading performance to our customers around the world.”

“Richardson Electronics’ established global infrastructure and its dedication to providing solutions and adding value through design-in support make them an important partner,” stated HP Ostergaard, Wireless Special Projects – Business Development Manager of Anaren. “We are looking forward to working with their specialized technical team.”

About Richardson Electronics, Ltd.

For nearly 70 years, Richardson Electronics has been your industry-leading global provider of engineered solutions, RF & microwave and power products. With the launch of the Power & Microwave Technologies group, we continue this legacy and complement it with new products from the world’s most innovative technology partners. Richardson Electronics’ Power & Microwave Technologies group focuses on what we do best: identify and design disruptive technologies, introduce new products on a global basis, develop solutions for our customers, and provide exceptional worldwide support. As a global company, we provide solutions and add value through design-in support, systems integration, prototype design and manufacturing, testing, logistics, and aftermarket technical service and repair—all through our existing global infrastructure. More information is available at www.rellpower.com.

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

About Anaren

Anaren, Inc. designs, manufactures and sells custom high-frequency solutions and standard components for the wireless communications, space and defense electronics, wireless consumer electronics, and IoT markets. Additional information can be found on the company’s website: www.anaren.com.

Disruptive technologies and products featured in the “Think Tank” at Booth #2350

LaFox, IL, Wednesday, May 4, 2016 – Richardson Electronics, Ltd. (NASDAQ: RELL) announces today its participation at the 2016 IEEE International Microwave Symposium (IMS2016). IMS2016, organized by the IEEE Microwave Theory and Technique Society (MTT-S), is the premier conference for attendees to learn about the latest information in the RF and microwave industry.

WHERE

Booth #2350
Moscone Center
San Francisco, California

WHEN

May 24-26, 2016

WHAT

As an exhibitor, Richardson Electronics will present a key selection of its partner manufacturers’ disruptive technologies and products at its “Think Tank” booth, including:

• Anaren
• Anokiwave
• Dynawave
• Infiniti Microwave
• Integrated Device Technology (IDT)
• MACOM
• Ohmite
• Qorvo
• SHX
• WanTcom

There will also be a series of Think Tank presentations held at the booth during the symposium, featuring thought leadership sessions with key individuals from six of Richardson Electronics’ partner manufacturers. The schedule for the sessions is as follows:

TUESDAY, MAY 24
• 10 A.M. – Qorvo | SSPA technology
• 11 A.M. – Anaren | RF energy passive products
• 1 P.M. – MACOM | GaN technology

WEDNESDAY, MAY 25
• 10 A.M. – IDT | Highly-differentiated silicon-based RF products
• 11 A.M. – Anokiwave | Innovations for 5G steerable arrays
• 1 P.M. – Dynawave | PhaseTite line of cable assemblies

The Richardson Electronics Power & Microwave Technologies’ Think Tank at IMS2016 is a place where conference attendees can meet and converse with industrial and technology leaders, learn about the latest disruptive technologies and new product releases from featured manufacturers and Richardson Electronics sales engineers and technical specialists, and find solutions on specific projects or problems.

WWW

IMS2016 | RELL Power

About Richardson Electronics, Ltd.

For nearly 70 years, Richardson Electronics has been your industry-leading global provider of engineered solutions, RF & microwave and power products. With the launch of the Power & Microwave Technologies group, we continue this legacy and complement it with new products from the world’s most innovative technology partners. Richardson Electronics’ Power & Microwave Technologies group focuses on what we do best: identify and design disruptive technologies, introduce new products on a global basis, develop solutions for our customers, and provide exceptional worldwide support. As a global company, we provide solutions and add value through design-in support, systems integration, prototype design and manufacturing, testing, logistics, and aftermarket technical service and repair—all through our existing global infrastructure. More information is available at www.rellpower.com.

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

Disruptive technologies and products featured in the “Think Tank” at Booth #256

LaFox, IL, Monday, April 25, 2016 – Richardson Electronics, Ltd. (NASDAQ: RELL) announces today its participation at PCIM Europe 2016. PCIM (Power Conversion and Intelligent Motion) Europe is a leading international exhibition for power electronics, intelligent motion, renewable energy, and energy management.

WHERE

Hall 9, Booth #256
Nuremberg Messe
Nuremberg, Germany

WHEN

May 10–12, 2016

WHAT

As an exhibitor, Richardson Electronics will present a key selection of its partner manufacturers’ disruptive technologies and products at its “Think Tank” booth, including:

• Applied Power Systems, Inc.
• Bonitron
• Cornell Dubilier CDE
• FTCAP Fischer & Tausche
• Ioxus
• Global Power Technologies Group
• National
• Ohmite Manufacturing Company
• StarPower
• Tecate Group
• Transphorm

The Richardson Electronics Power & Microwave Technologies’ Think Tank at PCIM Europe 2016 is a place where conference attendees can meet and converse with industrial and technology leaders, learn about the latest disruptive technologies and new product releases from featured manufacturers and Richardson Electronics sales engineers and technical specialists, and find solutions on specific projects or problems.

WWW

PCIM Europe | RELL Power

About Richardson Electronics, Ltd.

For nearly 70 years, Richardson Electronics has been your industry-leading global provider of engineered solutions, RF & microwave and power products. With the launch of the Power & Microwave Technologies group, we continue this legacy and complement it with new products from the world’s most innovative technology partners. Richardson Electronics’ Power & Microwave Technologies group focuses on what we do best: identify and design disruptive technologies, introduce new products on a global basis, develop solutions for our customers, and provide exceptional worldwide support. As a global company, we provide solutions and add value through design-in support, systems integration, prototype design and manufacturing, testing, logistics, and aftermarket technical service and repair—all through our existing global infrastructure. More information is available at www.rellpower.com.

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

Disruptive technologies and products featured in the “Think Tank” at Booth #318

LaFox, IL, Tuesday, April 5, 2016 – Richardson Electronics, Ltd. (NASDAQ: RELL) announces today its participation at EDI CON 2016. The Electronic Design Innovation Conference (EDI CON) brings together leading RF, microwave, high-speed analog and mixed signal components, semiconductor, test and measurement equipment, materials and packaging, EDA/CAD and system solution providers.

WHERE

Booth #318
China National Convention Center
Beijing, China

WHEN

April 19–21, 2016

WHAT

As an exhibitor, Richardson Electronics will present a key selection of its partner manufacturers’ disruptive technologies and products at its “Think Tank” booth, including:

• Anaren
• Cornell Dubilier CDE
• CPI/Eimac
• Dynawave
• IDT
• MACOM
• New Japan Radio Co. Ltd
• Qorvo
• Thales
• WanTcom

The Richardson Electronics Power & Microwave Technologies’ Think Tank at EDI CON 2016 is a place where conference attendees can meet and converse with industrial and technology leaders, learn about the latest disruptive technologies and new product releases from featured manufacturers and Richardson Electronics sales engineers and technical specialists, and find solutions on specific projects or problems.

WWW

EDI CON 2016 | RELL Power

About Richardson Electronics, Ltd.

For nearly 70 years, Richardson Electronics has been your industry-leading global provider of engineered solutions, RF & microwave and power products. With the launch of the Power & Microwave Technologies group, we continue this legacy and complement it with new products from the world’s most innovative technology partners. Richardson Electronics’ Power & Microwave Technologies group focuses on what we do best: identify and design disruptive technologies, introduce new products on a global basis, develop solutions for our customers, and provide exceptional worldwide support. As a global company, we provide solutions and add value through design-in support, systems integration, prototype design and manufacturing, testing, logistics, and aftermarket technical service and repair—all through our existing global infrastructure. More information is available at www.rellpower.com.

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

Glitch-Free™ digital step attenuators and voltage variable RF attenuators

LaFox, IL, Monday, April 4, 2016 – Richardson Electronics, Ltd. (NASDAQ: RELL) announced today the availability of a selection of wideband attenuators from Integrated Device Technology, Inc. (IDT).

The F1912, F1950, F1951, F1953 and F1956 are part of IDT’s family of Glitch-Free™ digital step attenuators optimized for the demanding requirements of base station radio cards and communications infrastructure applications. The silicon design results in very low insertion loss, low distortion and the devices offer pinpoint accuracy with excellent ESD protection. IDT’s Glitch-Free™ technology results in low overshoot and minimal ringing during MSB transitions.

These DSAs are offered in compact 4 mm x 4 mm QFN packages with 50Ω impedances for ease-of-integration.

According to IDT, additional key features of these Glitch-Free DSAs include:

(1) The F1953 includes integrated DC blocking capacitors.

The F2250, F2255 and F2258 are low insertion loss, voltage variable RF attenuators designed for a variety of wireless and other RF applications. With broad frequency ranges, the devices also provide excellent linearity performance over the entire voltage control and attenuation range. These VVAs also feature a V_MODE pin that allows either positive or negative voltage control slope vs. attenuation, and multi-directional operation, which means that the RF input can be applied to either RF1 or RF2 pins.

These VVAs are offered in 3 mm x 3 mm, 16-pin QFN (F2250 and F2255) and TQFN (F2258) packages.

According to IDT, additional key features of these VVAs include:

To find more information, please visit the IDT storefront at www.rellpower.com. The devices are also available by calling 1-800-348-5580, emailing [email protected], or visiting Local Sales Support to locate worldwide sales engineers.

About Richardson Electronics, Ltd.

For nearly 70 years, Richardson Electronics has been your industry-leading global provider of engineered solutions, RF & microwave and power products. With the launch of the Power & Microwave Technologies group, we continue this legacy and complement it with new products from the world’s most innovative technology partners. Richardson Electronics’ Power & Microwave Technologies group focuses on what we do best: identify and design disruptive technologies, introduce new products on a global basis, develop solutions for our customers, and provide exceptional worldwide support. As a global company, we provide solutions and add value through design-in support, systems integration, prototype design and manufacturing, testing, logistics, and aftermarket technical service and repair—all through our existing global infrastructure. More information is available at www.rellpower.com.

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

Family of 22 advanced modules for ultracapacitor applications

LaFox, IL, Monday, March 21, 2016 – Richardson Electronics, Ltd. (NASDAQ: RELL) announced today the availability of the complete family of iMOD X-Series™ modules for ultracapacitor applications from Ioxus.

The iMOD X-Series modules have a wide voltage range, can deliver and absorb a high current, operate from -40⁰C to +85⁰C and have a long life cycle. They are designed to hold multiple, individually balanced TitanHT™ cells to attain any voltage and capacitance requirement in the most efficient way possible.

The 22 high performance modules range from 16V to 128V and can be connected in series up to 2000V with no additional balancing required. They may also be connected in parallel to satisfy higher energy requirements. The industry-leading flexibility of Ioxus X-Series modules allow for hundreds of thousands of charge/discharge cycles with minimum changes in performance over the life cycle of the products.

The iMOD X-Series can be used to satisfy demands in a variety of industries and applications, including hybrid and PHEV buses, wind turbine pitch control, micro-grid, excavators, cranes, vehicle starting systems, automotive subsystems, backup power/UPS, ride-through power conditioning, robotics and renewable energy systems.

Additional key features of the Ioxus iMOD X-Series modules include:

• 22 base modules ranging in voltage from 16V to 128V
• Operating temp -40⁰C to +85⁰C
• Most rugged construction: IP67 / IEC61373 (Rail)
• Configure in series to 2000V / Hi-Pot tested to 5000V
• UL810A / ISO16750 / SAE J2380 / IEC 60068, 60529, 61373
• Easily mounted in standard industrial enclosures using COTS parts
• Oversized forward facing power terminals
• Optional digital, analog or CAN Bus communications and monitoring

“These iMOD X-Series modules are game changers in terms of simplifying system design and installation for the end user,” said Chris Marshall, Chief Technology Officer of Richardson Electronics’ Power & Microwave Technologies group. “By offering customers this level of flexibility, performance and durability, with a nearly-infinite array of possible mounting configurations, Ioxus is proving again why it is a leader in ultracapacitor technology.”

To find more information, please visit the Ioxus storefront at www.rellpower.com. The devices are also available by calling 1-800-348-5580, emailing [email protected], or visiting Local Sales Support to locate worldwide sales engineers.

About Richardson Electronics, Ltd.

For nearly 70 years, Richardson Electronics has been your industry-leading global provider of engineered solutions, RF & microwave and power products. With the launch of the Power & Microwave Technologies group, we continue this legacy and complement it with new products from the world’s most innovative technology partners. Richardson Electronics’ Power & Microwave Technologies group focuses on what we do best: identify and design disruptive technologies, introduce new products on a global basis, develop solutions for our customers, and provide exceptional worldwide support. As a global company, we provide solutions and add value through design-in support, systems integration, prototype design and manufacturing, testing, logistics, and aftermarket technical service and repair—all through our existing global infrastructure. More information is available at www.rellpower.com.

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