The board of directors of Zhejiang Tengy Environmental Technology Co. Ltd. announced that Mr. BIAN Yu (Mr. Bian) has retired as the chairman of the Board (the Chairman) but he remains as an executive Director and he has been appointed as the vice- chairman of the Board (the Vice-Chairman) with effect from 15 February 2023. Following the retirement of Mr. Bian as the Chairman, Mr. ZHU Xian Bo (Mr. Zhu), a non-executive Director, has been re-designated as the Chairman with effect from 15 February 2023.

Mr. Zhu, aged 56, is a non-executive Director re-elected on 30 May 2022. He was appointed as the director of the corporate governance department and project management department at the second silk factory in Zhuji City from February 1987 to July 1994; the deputy general manager of Zhuji Jiasi Knitters Co. Ltd. from July 1994 to January 2002; the deputy general manager of Zhejiang Hanyu Security Technology Co.

Ltd. from February 2002 to September 2003; the deputy factory director of Zhuji Chengguan Aluminum Products Factory from September 2003 to January 2006; the general manager of Zhuji Huahai Anlun Co. Ltd. from February 2006 to March 2009; the deputy general manager of Zhejiang Junmashen Aluminium Co. Ltd. from April 2009 to March 2017.

He has served as the vice president of TGL since March 2017. Mr. Zhu attended the national higher education entrance examination in July 1984, was admitted to Zhejiang Ningbo Mechanic Industrial School in September the same year, and obtained a Diploma of Business Administration from Zhejiang Ningbo Mechanic Industrial School January 1987; passed in the self-study examination for higher education in December 1991 and received a Diploma of Industrial Management Engineering from Zhejiang University of Technology; pursued postgraduate study of management science and engineering in Zhejiang University from June 2000 to March 2002 and obtained completion certificate; received an undergraduate diploma in law through online education from Southwest University of Science and Technology in June 2005. Mr. Zhu was recognised as a senior economist by Zhuji Municipal Personnel Bureau and was granted the qualification of practising as a senior engineer, by Accreditation Commission of Technical Expertise Level of Shanghai Aluminum Trade Association April 2011.

On 31 December 2021, Mr. Zhu Xian Bo obtained the professional qualification of senior economist from Zhejiang Provincial Senior Economist Qualification Evaluation Committee. Mr. Bian, aged 39, is an executive Director re-elected on 30 May 2022. Mr. Bian was also appointed as general manager of the Company on 15 May 2017.

Mr. Bian has approximately 18 years of experience in the business of provision of atmospheric pollution control solutions. Mr. Bian has also been the executive director of various subsidiaries of the Company including Zhuji City Tianjie Installation Engineering Co. Ltd. "Tianjie Installation Engineering") and Zhuji City Tianjie Electronic and Technology Turpan Environmental Technology Co.

Ltd. Co. Ltd. and since March 2008, June 2009 and July 2013 respectively. Mr. Bian has worked as a director of Tengy Group Limited (TGL) since August 2003.

He is responsible for the overall strategies, planning and business development of TGL. Particularly, he focuses on the management of the business of the provision of atmospheric pollution control solutions carried on by TGL prior to the establishment of the Company in December 2009. From September 2005 to December 2007, he served in various positions such as general commander and general manager in different departments in the subsidiaries of TGL such as Zhejiang Runtian Magnetic Materials Co.

Ltd. Runtian Magnetic Materials "), Zhejiang Tianjie New Materials Co. Ltd. Tianjie New Materials) and (Zhejiang Tianjie Magnetic Materials Co. Ltd. which were principally engaged in manufacturing, processing and marketing of steel blade and he was mainly responsible for the overall operation and production management.

Mr. Bian is currently the Vice President of Zhejiang Association of Equipment Industries for Environmental Protection He has also been the deputy officer member the Electrostatic Precipitator Committee of The of Environmental Protection Industry since February 2014. Mr. Bian graduated with a bachelor's degree in mechanical engineering and automation from Zhejiang University June 2005. He obtained his master of science degree in corporate and international finance from University of Durham in the United Kingdom in January 2008.

He is the son of Mr. Bian Jianguang, the brother of Ms. Bian Shu and brother- in-law of Mr. Zhang Yuanyuan. Mr. Bian is a member of the family comprising Mr. Bian Jianguang, Ms. Bian Shu (who is an executive Director) and himself ("Bian Family") and the Bian Family is a controlling shareholder (within the meaning of the Listing Rules) of the Company (" Controlling Shareholders", each being a "Controlling Shareholder"). On 15 February 2023, the Board has resolved that the Chairman should serve as the legal representative of the Company (the "Change of the Legal Representative") and therefore Mr. Zhu has been appointed as the legal representative of the Company with effect from 15 February 2023.

The Change of the Legal Representative has complied with the relevant provisions of the articles of association of the Company.