Mr. Jiang Chenghong, born in 1975, holds an EMBA Degree conferred by Xiamen University. He served as the Deputy General Manager and General Manager of the Capital Department and the Director of the Finance Department at Sinochem Group Co., Ltd.; Director of Sinochem Petroleum Exploration & Production Co., Ltd., Director of Sinochem Quanzhou Petrochemical Co., Ltd, and Director of China Foreign Economy and Trade Trust Co., Ltd. Mr. Jiang Chenghong has extensive experience in financial management, capital operations, commodity price risk, and foreign exchange risk management. He possesses keen risk insight, excellent organizational coordination capability, and analytical decision-making skills. He joined ENN Group in September 2017 and worked as the Director of ENN International, CFO of ENN Group and Executive Director of ENN energy. Currently, he works as the Director of Tibet Tourism Co Ltd.; and he has worked as the Director of the Company from November 2020 to March 2025,Co-CEO of the Company since December 2023, the Chairman of the Board of Directors of the Company since March 2025.

Mr. Yu Jianchao, born in 1968,holds an MBA Degree conferred by China Europe International Business School and an EMBA Degree from Tsinghua PBCSF. He was the Deputy Chief Accountant, Chief Accountant, Chairman of the Supervision Committee, Chief Financial Officer, Chairman of the Finance and Audit Committee and Vice President of ENN Group Co., Ltd.; Vice President of ENN Energy Holdings Limited; and Vice President and the CEO of ENN-NG, etc. Mr. Yu Jianchao has extensive experience in company management and capital operation. Currently, he works as Directors of ENN (Zhoushan) LNG Co., Ltd. He was the Co-CEO of the Company from September 2020 to December 2023.He has served as the Director of the Company since February 2017, the Vice Chairman of the Board of Directors of the Company from November 2017 to December 2023, and Vice Chairman (Executive Chairman) of the Company since December 2023.

Mr. Han Jishen, born in 1964, holds an EMBA Degree conferred by Nanyang Technological University, Singapore. He joined ENN Energy in 1993, served as a senior executive officer in different subsidiary companies under ENN Energy. He was also the President, CEO, Co-vice Chairman and Executive Director of ENN Energy. He has extensive experience in market research, business development and operation management in energy industry. He has served as the Co-CEO and Director of the Company since September 2020.

Mr. Zhang Yuying, born in 1973, holds an MBA degree conferred by Renmin University of China. Since joining ENN Group in 2o03, he has held key positions in group business planning and strategic management. He has been dedicated to urban gas for many years and once served as Executive Director and President of ENN Energy Holdings Limited, Executive Vice President of ENN Group Co., Ltd. and Chairman of the Board of Directors of ENC Digital Technology Co., Ltd. Mr. Zhang Yuying has extensive experience in strategic planning, market expansion, safe operation, and digital and intelligent transformation. He possesses precise customer understanding and market insight, outstanding strategic thinking, and deployment and execution capabilities. Currently, he serves as Executive Director and Chief Executive Officer of ENN Energy Holdings Limited. He has been appointed President and Director of the Company since December 2023.

Mr. Wang Yusuo, born in 1964, holds a Doctorate Degree. As a founder of ENN Group, he served as the member of the 9th, 1oth and 12th National Committee of the Chinese People's Political Consultative Conference, member of the standing committee of the 11th National Committee of the Chinese People's Political Consultative Conference, vice chairman of the 9th All-China Federation of Industry & Commerce, vice chairman of the China Private Chamber of Commerce, member of the Standing Committee of the12th Chinese People's Political Consultative Conference Hebei, vice chairman of Hebei Federation of Industry & Commerce and vice chairman of Langfang Chinese People's Political Consultative Conference. He has more than 30 years of experience in gas business investment and management. Currently, he serves as the Chairman of the Board of Directors of ENN Group, Director of ENN International, Chairman of the Board of Director of ENN Holdings, Chairman of the Board of Directors of ENN Science and Technology Development Co., Ltd., Chairman of the Board of Directors of Langfang Natural Gas Co., Ltd., Chairman of the Board of Directors of Langfang ENN Energy Development Co., Ltd., Chairman of the Board of Directors of ENN Yingchuang Technology Co., Ltd., Chairman of the Board of Directors and Executive Director of ENN Energy; he has worked as the Chairman of the Board of Directors of the Company from November 2008 to March 2025, the Director of the Company since March 2025.

Ms. Zhang Jin, born in 1973, graduated from Renmin University of China with a Master's Degree in Management and a Bachelor's Degree in Economics. She served as the Senior Vice President of Shanda Network Group, Vice President of Human Resources of Shanda Group, and Vice President of Human Resources of Lenovo Group. She has extensive experience in talent stimulation and corporate management. She joined ENN Group in September 2016. At present, she works as Chief Human Resources Officer of ENN Group, Director of ENC Digital Technology Co., Ltd. Executive director of ENN Energy Holdings Limited, She has worked as the Director of the Company since November 2020.

Mr. Wang Zizheng, born in 1988, graduated from Tongji University with a Bachelor's Degree in Urban Planning. He served as the President of ENN Group, Executive Chairman of the Board of Directors of ENN Energy, Chairman of the Board of Directors of ENC Digital Technology Co., Ltd., Deputy General Manager of ENN Science & Technology Development Co., Ltd., Director of Green Transportation Energy Strategic Planning of Transfuels. LLC in U.S., Director of ENN Science & Technology Development Co., Ltd. and Director of ENN International. He has extensive experience in investment, M&As and operation management of overseas LNG refueling stations. At present, he works as the Director of ENN Group, Non-executive Director of ENN Energy, deputy to Hebei Provincial People's Congress, member of the Executive Committee of Hebei Federation of Industry and Commerce, member of the Standing Committee of Langfang Chinese People's Political Consultative Conference and Vice Chairman of Langfang Federation of Industry & Commerce. He has worked as the Director of the Company since June 2018.

Mr. Wang Tianze, born in 1964, holds a Bachelor’s degree in Social Sciences from the University of Hong Kong and is a member of the Institute of Chartered Accountants in England and Wales (ICAEW). He has served as a member of Deloitte’s Asia Pacific Risk Advisory Executive Committee, a member of the Management Committee of Deloitte China, Partner-in-Charge of Risk Advisory, and Deputy Partner-in-Charge of Audit & Assurance. With over 30 years of professional experience, he has provided risk management consulting, audit, and related services to large state-owned enterprises and capital market clients in Mainland China and Hong Kong.

Mr. Zhang Yu, born in 1958, holds an EMBA Degree conferred by Peking University. He has long been engaged in oil production technology research, oil and gas field development, storage, transportation, production and management of oil and gas and natural gas pipeline construction, etc. He served as the Deputy General Manager, Safety Director, General Manager and Director of PetroChina Beijing Gas Pipeline Co., Ltd. Zhang Yu has a unique perspective on the development of the oil and gas industry. has rich experience in corporate management and project infrastructure management and has obtained the title of Senior Engineer. He has worked as an Independent Director of the Company since November2020.

Mr. Chu Yuansheng, born in 1963, graduated from Peking University with a Master's Degree in Law and is qualified to practice law in China. He has 12 years' work experience in the legal departments of Fortune Global 5oo foreign companies and is proficient in both continental law system and common law system. He used to serve as a research fellow of the Academy of Military Science and the legal counsel of China Hewlett-Packard Co., Ltd. Now he is a practicing lawyer of Beijing JYC Law Firm and has worked as the Independent Director of the Company since July 2022.

Ms. Wang Chunmei, born in 1964, graduated from Renmin University of China with the Bachelor's Degree of Economics in National Economic Planning and is qualified for the professional title of senior engineer. She served as the Deputy General Manager of Zhejiang Zheneng Natural Gas Co., Ltd. And General Manager of Zhejiang Natural Gas Development Co. Ltd. Wang Chunmei has a senior background in energy industry and 32 years of working experience in the energy industry. She is familiar with the law and trend of market development, and has a good understanding of industrial policies. She has worked as the Independent Director of the Company since July 2022.

Ms. Li Lan, born in 1969, graduated from Beijing College of Mechanical Engineering with a Bachelor's degree in Engineering. She has 21 years of service experience at multinational enterprises and 9 years at local enterprises. She served as the Marketing Director of Acer China, Market Expansion Director for global production line at HP, and Marketing Management Director, Channel Management Director and President of Channel Academy of IBM China. Li Lan has rich experience in the fields of business management, strategic planning, marketing, organization and talent development. She has worked as the Chairman of the Board of Supervisors of the Company sinceJuly2022.

Ms. Wang Xi, born in 1972, holds an EMBA Degree conferred by Peking University. She served as a senior manager at ENN Group and its subsidiaries, Deputy General Manager of Changsha Xin'ao Gas Co., Ltd. General Manager of Financial Management Department and Chief Financial Officer of ENN Group and the Chairman of the Board of Supervisors of Tibet Tourism Co Ltd. Currently, she works as the Executive Vice President and Director of ENC Digital Technology Co., Ltd. and Supervisor of ENN Holdings; she has worked as the Supervisor of the Company since July 2013.

Mr. Liu Jie, born in 1977, graduated from North China University of Technology with a bachelor's degree and has been engaged in finance, investment, internal control, market development and risk management for long. He served as the Vice Finance Director and Deputy Performance Director of Xinneng Fenghuang (Tengzhou) Energy Chemical Co., Ltd., Head and Director of Investment Management Department of ENN-NG, and Deputy General Manager of Xinneng (Tianjin) Energy Co., Ltd. Liu Jie has rich experience in financial management, investment management and risk management. He has worked as the Employee Representative Supervisor of the Company since July 2022.