The board of directors of China Lesso Group Holdings Limited announced that at the annual general meeting of the Company held on 24 May 2024. Mr. Huang Guirong retired from his office as an executive Director upon the conclusion of the AGM. Mr. Huang Guirong has confirmed that there is no disagreement between him and the Board, and there is no other matter in relation to his retirement that need to be brought to the attention of the Shareholders or the Stock Exchange.

The Board would like to express its gratitude to Mr. Huang Guirong for his valuable contribution to the Company during his tenure of office. After his retirement, Mr. Huang Guirong will remain to serve other members of the Group. The Board announced that the appointment of Dr. Song Keming as an executive Director has been approved at the AGM.

Dr. Song Keming will serve as an executive Director with effect from 24 May 2024. Dr. Song Keming, aged 41, is a vice president, chief engineer and president of the Research Institute of the Group, primarily responsible for technical research and development and quality process management. He is a member of the National Technical Committee for Standardization of Plastic Products (SAC/TC48).

Dr. Song was awarded the title of ``National Model Worker'' in November 2020. Dr. Song received a doctorate degree in polymer chemical and physics from Sun Yat-sen University in June 2009 and was accredited as a professor-level senior engineer in April 2018. The primary research field of Dr. Song is the forming and processing technology of new- type plastic pipe and its application.

Dr. Song presided over and participated in a number of science and technology projects at provincial and ministerial level. His main research directions include high-performance plastic pipe processing technology, composite pipe manufacturing technology, polymer composite material research, etc. His scientific achievements was highly regarded and he won various awards, including the first prize of the Science and Technology Progress Award of the China Light Industry Federation, the first prize of the Science and Technology Progress Award of the Ministry of Education, the first prize of the Guangdong Province Science and Technology Progress Award, and the China Patent Excellence Award.

Dr. Song published more than ten scientific papers (included in SCI) and obtained nearly 100 patents. He took part in the revision of a number of national and industry standards. Dr. Song is appointed for a term of 3 years with effect from 24 May 2024.