Mr. Zhao Shunqiang, Chinese, born in 1968, an Executive Director and President of COSL, senior engineer. He graduated from China University of Petroleum (East China) with bachelor degree of drilling engineering in 1990 and was granted EMBA of CEIBS in 2008. From July 1990 to November 2001, Mr. Zhao successively served as drilling foreman, staff member of operating department and senior team leader of China Offshore Oil Northern Drilling Company; from November 2001 to October 2002, he successively served as Vice President of China Offshore Oil International Engineering Company and manager of Bohai No. 9 Rig of China Offshore Oil Northern Drilling Company; from October 2002 to August 2004, he served as Vice GM of Tianjin Branch of COSL; from August 2004 to November 2004, he served as Director of Drilling Technology Institute (Tanggu) of COSL IPM Division; from November 2004 to December 2005, he served as GM of Tianjin Branch of COSL; from December 2005 to April 2012, he served as GM of the Production Optimization Division of COSL, while he also served as the Dean of Production Optimization Research Institute from January 2011 to April 2012; from April 2012 to March 2018, he served as the Vice GM of CNOOC International Limited; from March 2018 to August 2020, he served as President of CNOOC Uganda Limited; since August 2020, he has served as President of COSL. Since October 2020, he has served as an Executive Director of COSL. Since April 2021, Mr. Zhao has served as Chairman, CEO, Executive Director of COSL. Mr. Zhao has over 30 years of experience in the oil and natural gas industry.

Mr. Lu Tao, Chinese, born in 1969, Vice President and General Legal Counsel of COSL, professorlevel senior engineer. He graduated from the University of Electronic Science and Technology of China with major in electromagnetic field and microwave technology and a master’s degree in 1993, and later was granted a doctorate degree in measurement technology and instrumentation from the University of Electronic Science and Technology of China. From April 1993 to July 1993, Mr. Lu served as research engineer at the Research Institute of China National Offshore Oil Logging Corporation, and from July 1993 to October 1993, he had an intern at Xinjiang Branch of China National Offshore Oil Logging Corporation. From October 1993 to January 2002, he served as research engineer at the Research Institute of China National Offshore Oil Logging Corporation. From January 2002 to September 2002, he served as Vice Chief Engineer of the Technology Development Center of COSL Logging Division. From September 2002 to December 2004, he served as the Vice Chief Engineer of the Electromechanical Equipment Institute of COSL R&D Center. From December 2004 to April 2006, he served as the Director of the Electromechanical Equipment Institute of the COSL Technical Center. From April 2006 to January 2010, he served as the Chief Engineer of the COSL Technical Center. From January 2010 to May 2010, he served as Deputy Director of COSL Technical Center. From June 2010 to June 2016, he served as Vice General Manager of COSL Well Tech Division. From June 2016 to November 2017, he served as General Manager of COSL Well Tech Division. From November 2017 to August 2019, he served as General Manager and Deputy Party Secretary of COSL Well Tech Division. From August 2019 to November 2019, he served as General Manager and Deputy Party Secretary (responsible for the work of the Party Committee) of COSL Well Tech Division. From November 2019 to August 2020, he served as General Manager and Party Secretary of COSL Well Tech Division.  From July 2020 to July 2021, he served as Vice President and concurrently served as General Legal Counsel of COSL. From July 2020 to April 2023, he served as Vice President of COSL. Since May 2023, he served as President and Deputy Party Secretary of COSL. since August 2023, he served as Executive Director of COSL.

Mr. Xiong Min, Chinese, born in 1976, Executive Director, is a senior engineer. Mr. Xiong graduated from China University of Petroleum in 1996 with major in oil engineering and obtained a Bachelor’s degree, and then obtained a Master degree from the University of Science and Technology Beijing with major in vehicle engineering (mining machine). From July 1996 to January 1998, he was a junior engineer at Huanxiling Oil Production Plant in Liaohe Oilfield. From January 1998 to October 2001, he served as a junior engineer at Research Institute of Drilling and Production Technology of Liaohe Oilfield. From October 2001 to March 2004, he studied for Master’s degree in University of Science and Technology Beijing with major in vehicle engineering (mining machinery). From March 2004 to April 2005, he served as Sales Engineer at Lincom Pty Ltd. From April 2005 to April 2007, he was the project manager of Tanggu Base, Cementing Center, COSL Well Tech Division. From April 2007 to February 2012, he served as Technology Supervisor and Manager of Cementing Operation Company, Tanggu Base, COSL Oilfield Chemicals Division. From February 2012 to November 2014, he was Vice Manager and Manager of Indonesia Base of COSL Oilfield Chemicals Division. From November 2014 to August 2016, he was Manager of Indonesia Operation Company of COSL Oilfield Chemicals Division. From August 2016 to September 2017, he served as Vice General Manager of COSL Oilfield Chemicals Division. From September 2017 to August 2021, he served as General Manager of Malaysian joint venture of COSL. From January 2019 to August 2021, he concurrently served as General Manager of COSL Drilling Pan Pacific (Malaysia) Company (CDPPM). From December 2020 to July 2022, he served as Vice President of COSL. He has also concurrently served as General Legal Counsel of COSL from July 2021 to November 2022. He has concurrently served as Chief Compliance Officer of COSL from May 2022 to November 2022 and served as Deputy Party Secretary of COSL from July 2022 to  October 2023. He has served as an Executive Director of COSL since December 2022.

Ms. Chiu Lai Kuen, Susanna, Hong Kong, China, born in 1960, MH, JP. Ms. Chiu graduated from the University of Sheffield (United Kingdom) with First-Class Honours in Economics, and obtained an EMBA degree in business administration from the Chinese University of Hong Kong. Ms. Chiu is a Hong Kong certified public accountant, a Chinese certified public accountant, a qualified Chartered Accountant from England and a Certified Information System Auditor. She is a current member of the Chinese People’s Political Consultative Conference (CPPCC) of Shanghai, an expert on government accounting standards at the Ministry of Finance, a director of the China Overseas Friendship Association, an executive member of the Guangdong Women’s Federation, and current Council Treasurer of the Education University of Hong Kong. Ms. Chiu served as the president of the Information Systems Audit and Control Association (China Hong Kong Chapter) from 2001 to 2006. She served as the President of the Hong Kong Institute of Certified Public Accountants in 2013. She has been a member of Women’s Commission under the Hong Kong Government since January 2017. She has also served as a member of the Equal Opportunities Commission and the Energy Advisory Committee respectively from 2009 to 2018.Ms. Chiu has served as an executive director of Bonjour Holdings Limited since December 2020. From 2006 to 2019, she successively served as Senior Vice President, Eastern China Chief Representative, and Consultant under the Fung Group (a Hong Kong listed company). From 2000 to 2005, she served as the Chief Operating Officer of DVN (Holdings) Limited (currently known as Frontier Services Group Limited, stock code: 0500), a company listed on the Hong Kong Stock Exchange. Before 2000, she served as senior project manager (Greater China) of Caltex Hong Kong Ltd. Ms. Chiu served as an independent nonexecutive director of Huijing Holdings Company Limited (stock code: 9968), Huali University Group Limited (stock code: 1756) and Kato (Hong Kong) Holdings Limited (stock code: 2189), which are listed on the Hong Kong Stock Exchange. She also served as an independent non-executive director of Songz Automobile Air Conditioning Co., Ltd. (stock code: 002454), a Shenzhen A-share listed company. Since 2018, she has served as an independent non-executive director of Nanyang Commercial Bank Limited.Ms. Chiu was awarded the Medal of Honour by the Hong Kong Government in 2013, the “Outstanding Women Professionals” Award in 2014, the “Distinguished Alumni” Award from the University of Sheffield (United Kingdom), and the “Outstanding Business Woman” by Hong Kong Commercial Daily in 2017. Ms. Chiu was awarded the “Justice of Peace” by the Hong Kong Government in 2017 and the “Justice of Peace NT” in 2018.

Mr. Kwok Lam Kwong, Larry, Hong Kong, China, born in 1955, SBS, BBS, JP, graduated from the University of Sydney, Australia with double bachelor’s degrees in economics and laws respectively as well as a master’s degree in laws. He also obtained the Advanced Management Program diploma from the Harvard Business School. Mr. Kwok is currently qualified to practise as a solicitor in Hong Kong and a partner of Kwok Yih & Chan. He is also admitted as a solicitor in Australia, the United Kingdom and Singapore. In addition, he is qualified as a Chartered Accountant in the United Kingdom and an Accredited Accountant in Australia and Hong Kong. Mr. Kwok has worked in international law firms in the United States, the United Kingdom and Australia, and served as the managing partner of Greater China for a total of 15 years. Mr. Kwok served as Managing Partner of King & Wood Mallesons (Asia Strategy & Markets) from 2012 to 2014. Since 2014, Mr. Kwok served as a partner of Kwok Yih & Chan. Since December 1994, Mr. Kwok has been an independent non-executive director (re-designated as a non-executive director in 2005) of First Shanghai Investments Limited and served as an independent non-executive director of Shenwan Hongyuan (H.K.) Limited since March 1995. Mr. Kwok has been an independent non-executive director of Starlite Holdings Limited and Café de Coral Holdings Limited since July 2004. From February 2018, he serves as an independent non-executive director of AAC Technologies Holdings Inc. Mr. Kwok is also an independent non-executive director of CMB Wing Lung Bank Limited, a private company in Hong Kong. Mr. Kwok has served regularly on Government boards and committees and is currently the vice chairman of Heep Hong Society, a non-profit organization in Hong Kong. He is also the chairman of the Appeal Tribunal Panel, Buildings Ordinance (Chapter 123) and an arbitrator of the Shenzhen Court of International Arbitration.

Mr. Yao Xin, Chinese, was born in 1979. Mr. Yao successively obtained a bachelor’s degree in engineering from Tsinghua University and a doctorate degree in economics from Xiamen University. He joined the School of Economics of Xiamen University as an assistant professor after obtaining his PhD in 2010 and was promoted to associate professor in 2012. He was selected into Outstanding Young Scientific Research Talent Cultivation Program in Fujian Colleges and Universities in 2013, awarded as Fujian Province Youth Top-Notch Talent in 2014, became a doctoral tutor in 2015, and promoted to professor in 2017. He was a visiting scholar at Industrial Engineering and Logistics Management Department of the Hong Kong University of Science and Technology during the period from 2014 to 2016. He has served as the director of China Centre for Energy Economics Research at Xiamen University since 2022. Mr. Yao has been devoted to the research in fields such as energy and environmental economy, green finance and sustainable supply chain for many years, and has undertaken a number of relevant national important research projects. The research results are influential and have won multiple awards above provincial and ministerial level. He is awarded the Most Cited Chinese Researchers in applied economics by Elsevier in 2021.

Mr. Fan Baitao, Chinese, born in 1975, is a professor-level senior engineer and an expert of China National Offshore Oil Corporation who is entitled to a special allowance provided by the State Council. He graduated from Daqing Petroleum Institute with a major in petroleum engineering in July 1998 and obtained a doctorate degree in oil and gas well engineering from China University of Petroleum (Beijing) in December 2018. From July 1998 to July 1999, Mr. Fan had an intern at well completion of Production Department of CNOOC Bohai Company. From July 1999 to July 2003, he served as a well completion supervisor of CNOOC Bohai Industrial Company. From July 2003 to April 2019, he successively served as the oilfield development and management supervisor of Drilling Division, drilling & completion representative and drilling & completion vice manager of Kerr-Mcgee Joint Administrative Committee, design manager of drilling division, chief engineer of drilling & completion division, and manager of engineering and technology department of Tianjin Branch of CNOOC (China) Limited. From April 2019 to October 2022, he successively served as the dean of Drilling and Production Institute, vice chief engineer (drilling & completion) and the dean of Drilling and Production Institute of CNOOC Research Institute Co., Ltd. He has served as the chief engineer (drilling & completion) of engineering technology department of CNOOC Limited since November 2022.

Mr. Liu Qiudong was born in 1972 as Chinese nationality. He has been awarded the title of Senior Accountant. He also is a Fellow of the Association of Chartered Certified Accountants (ACCA), a Fellow of Certified Public Accountant Australia (FCPA Australia), a member of the Association of International Accountants (AIA). He obtains a certificate of leading accounting talent issued by the National Government Offices Administration and had been appointed as a member of the Accounting Standards Advisory Committee of the Ministry of Finance. Mr. Liu graduated from Financial Institute of Shandong Yantai with a major in Foreign-related Accounting in July 1994, a dual master’s degree in Commerce and MBA from Deakin University in Australia in December 2005. From August 1995 to May 1997, he served as an accountant of the Planning and Financial Department of Shandong Fisheries Enterprise Group; from June 1997 to April 2000, he served as a financial manager of SHANSHUI Enterprise Pty Ltd; from May 2000 to December 2003, he served as a financial manager of Aqua Star Pty Ltd. Mr. Liu previously served as an overseas business senior supervisor of the International Business and Marketing Department of COSL from June 2006 to July 2007, a manager of information disclosure of the Office of the Secretary to the Board of COSL from August 2007 to October 2013, and an accounting manager of the Finance Department of COSL from November 2013 to April 2017. He served as a Chief of the report analysis division of the Financial and Assets Department of CNOOC from May 2017 to October 2021, and a vice general manager of the Financial and Assets department of CNOOC from November 2021 to October 2022. He has served as a vice general manager of the Financial and Treasury Department of CNOOC since November 2022.