The board of directors of Productive Technologies Company Limited announced that Mr. Shi Cen (``Mr. Shi'') has tendered his resignation as an independent non-executive Director and a member of each of the audit committee (the ``Audit Committee'') and nomination committee (the ``Nomination Committee'') of the Company with effect from 23 December 2022 in order to focus his time and effort on other business commitments. The Board announced that Mr. Wang Guoping (``Mr. Wang'') has been appointed as an independent non-executive Director and a member of each of the Audit Committee and Nomination Committee with effect from 23 December 2022. Mr. Wang, aged 60, holds a master's degree in engineering, and is a senior engineer as well as the senior consultant of the Integrated Circuit Division of China Semiconductor Industry Association and Jiangsu Semiconductor Industry Association.

He worked as a technician and engineer of the Wuxi branch of 1424 Factory from August 1986 to August 1988. He was the deputy director of the strategic research department of China Huajing Electronic Group Corporation from August 1988 to May 1990. He was the chief engineer of the fourth sub-plant of China Huajing Electronic Group Corporation from May 1990 to December 1993.

He was the factory director of the second sub-plant of the general factory of discrete device of China Huajing Electronic Group Corporation from January 1994 to December 1994. He was the factory director of the general factory of discrete device of China Huajing Electronic Group Corporation from January 1994 to December 1997. He was the vice president and deputy general manager of China Huajing Electronic Group Corporation from January 1998 to August 1999.

He was the general manager of China Huajing Electronic Group Corporation from September 1999 to December 2002. He was the general manager of Wuxi China Resources Microelectronics Limited from December 2002 to March 2003. He was the general manager of China Resources Microelectronics (Holdings) Limited from April 2003 to March 2008.

He was the chief executive officer of China Resources Microelectronics Limited from March 2008 to August 2010. He was the chairman of China Resources Microelectronics Limited from August 2010 to August 2012. He was the chairman of the expert committee of China Resources Microelectronics Limited as well as the general manager of the research center, chairman of the investment approval committee, vice chairman of the procurement committee of China Resources Microelectronics Limited from August 2012 to August 2021 and was responsible for supervising corporate research and development, investment approval and supply chain management.

He was a designated external director of the business unit of China Resources (Holdings) Company Limited and a director of China Resources Digital Technology Co. Ltd. and China Resources Environmental Protection Technology Limited from August 2021 to November 2022. Mr. Wang was a member of the electronic technology consultation committee of Ministry of Industry and Information Technology, the vice president of China Semiconductor Industry Association, the president of the Integrated Circuit Division of China Semiconductor Industry Association, the president of Jiangsu Semiconductor Industry Association and a member of the editorial committee of A Comprehensive Book on Integrated Circuit and Integrated Circuit Industry Book Series.

Mr. Wang obtained his bachelor's degree at Chengdu Radio Engineering College in September 1983 and master's degree at Chengdu Radio Engineering College in August 1986.