Richardson Electronics, Ltd. and United Silicon Carbide, Inc. (USCi) Sign Distribution Agreement

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.