To all concerned parties January 12, 2022 Listed company name ROHM Co., Ltd. Company Representative Isao Matsumoto, President, Chief Executive Officer (Code: 6963) Contact Person: Hidenari Nagayoshi, Manager, Public & Investor Relations Division (Tel: 075-311-2121) Impact of COVID-19 in China (Tianjin area) Following the outbreak of the new coronavirus variant in Tianjin, China on January 9, restrictions on human movement have been imposed, including the start of PCR testing for all citizens, as instructed by the Tianjin municipal authorities. As a result, the Tianjin Plant has been temporarily suspended since January 9, and the resumption of operations has not been determined at this time. 【Information of Tianjin Plant】 Company Name: ROHM Semiconductor (China) Co., Ltd. Address: No.7, Weisan Road, Micro-Electronic Industrial Park, Jingang Highway, Xiqing District, Tianjin 300385 China Main Products: Diodes, LEDs, Laser Diodes, Sensors, LED Displays ROHM Group places the highest priority on the health and safety of our employees, and has established a complete quarantine system, including hygiene management. We will continue to monitor the effects of COVID-19 and work with the administrative authorities to resume normal operations as soon as possible. Note: This report is a translation of the press release of the Company prepared in accordance with the provisions set forth in the Securities and Exchange Law and its related accounting regulations. The original version of this press release is written in Japanese. In the event of any discrepancies in words, accounts, figures or the like between this press release and the original, the original Japanese version shall govern.