Richardson Electronics and Global Power Technologies Group Sign New Franchise Agreement

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.