Richardson Electronics and 3Rwave Sign Global Distribution Agreement

LaFox, IL, Thursday, March 8, 2018 – Richardson Electronics, Ltd. (NASDAQ: RELL) announced today a new global distribution agreement with 3Rwave Co. Ltd., a manufacturer specializing in microwave ferrite devices including isolators and circulators with frequency ranges up to 40 GHz and 20 kW. Effective January 9, 2018, the agreement aligns with both companies’ commitment to partnering with customers by providing the quality and volume to meet their needs.

Richardson Electronics is a global channel partner for RF and microwave components, power electronics, and world-class electron devices. As a global company, Richardson Electronics provides solutions and add value through design-in support, systems integration, prototype design and manufacturing, testing, logistics, and aftermarket technical service and repair.

“3Rwave’s products offer exceptional performance in leading very high frequency and very high power applications,” said Greg Peloquin, Executive Vice President of Richardson Electronics’ Power & Microwave Technologies group. “The company also offers the expertise and problem-solving abilities needed for custom solutions. We look forward to bringing their devices to our customers around the world.”

Headquartered in Suwon, South Korea, 3Rwave’s products are primarily targeted to industrial medical and telecommunication manufacturers who are looking for reliable and cost-competitive isolators and circulators in mass production. 3Rwave meets these needs with a range of drop-in, SMT, coaxial and waveguide devices. Additionally, 3Rwave offers cavity filters for all LTE bands, with most of these filters designed to individual customer specifications.

3Rwave also offers custom solutions for military and space system applications, leveraging its deep engineering expertise, reliability testing and qualification program knowledge to meet customers’ specific needs.

Thanks to strong engineering experience in the design and manufacturing of ferrite devices, 3Rwave provides robust and reliable products that customers want, at competitive prices.

“Richardson Electronics’ established global infrastructure, history and leadership make them an important partner,” stated Yong-Ju Ban, President of 3Rwave. “We are pleased to work with their exceptional global support and specialized technical team.”

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, 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 Richardson Electronics – Power & Microwave Technologies

For 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.

About 3Rwave Co. Ltd.

3Rwave specializes in microwave ferrite devices such as isolators and circulators in various frequency ranges from 100 MHz to 40 GHz. Thanks to strong engineering experience in the design and manufacturing of ferrite devices, 3Rwave can provide robust and reliable products that customers want, at competitive prices. The invisible high technologies of 3Rwave are incorporated into microwave applications that help people live comfortable lives. The future will be completed with the cutting-edge technologies of 3Rwave. More information is available at www.3rwave.com.