Mr. Guo founded Sunpower and currently serves as the Non-Executive Chairman of the Board. Prior to establishing Sunpower, he served as the director of the Heat Pipe Technology Research Center of the Nanjing Chemical Institute. From 1993 to 1997, Mr. Guo was a director and deputy general manager of Shengnuo Group. Between 1995 and 1997, he served as the Vice Dean of the Heat Pipe Technology Development Institute at Nanjing Tech University and concurrently as the Deputy Director of the Heat Pipe Technology Promotion Centre under the National Ministry of Science and Technology. In 2015, he was appointed as an Independent Non-Executive Director of Genscript Biotech Corporation, a Hong Kong-listed company. Additionally, Mr. Guo serves as a Part-time Instructor at the MBA Education Center of Nanjing University, as well as an Industry Professor and Distinguished Professor at Nanjing University of Technology. In 2017, he was appointed as an Entrepreneur Mentor for EMBA Alumni at Tsinghua University.

Mr. Guo has received numerous awards and honours. He received the Science and Technology Progress Award from the Ministry of Education of the People's Republic of China ("PRC"), the National Federation of Industry and Commerce, Jiangsu Province and the China Petroleum and Chemical Industry Federation in 1994, 2009, and 2010, respectively. Mr. Guo was recognised as a "Great Contributor to Nanjing Science and Technology" in 2006 and was awarded a special government allowance by the State Council of the PRC in 2012 for his distinguished contributions. He was appointed as the leader of the National Standardisation Technical Committee for heat pipes in 2008. In 2011, he was acknowledged as one of "Jiangsu's Top 10 Outstanding Entrepreneurs" and "Innovative Entrepreneurial Talents," elected as an expert of the "333 High-Level Talents Training Project," and engaged as a pioneering batch of Industry Professor in Jiangsu Province.

In 2015, he was recognised by the Ministry of Science and Technology of the PRC as a talent for science and technology innovation and entrepreneurship ("Ten Thousand Talents Program") and appointed as the third batch of industrial professors in Jiangsu Province by the Department of Science and Technology. In 2016, he was esteemed as the "Leading Talent of the National Special Support Program for High-level Talents" by the Organisation Department of the Central Committee of the Central Committee of the Communist Party of China. In 2017, Mr. Guo was acclaimed as a Top Expert of Nanjing and appointed as the Vice Mayor of Science and Technology by the government of Changyi City, Shandong Province. He was the recipient of the Ernst & Young Entrepreneur of the Year 2018. In 2019, he was titled "Jiangsu Outstanding Entrepreneur". In 2021, Mr. Guo was awarded the second prize of the National Science and Technology Progress Award.

In 2023, he was designated as a "Jiangsu Science and Technology Entrepreneur" by the Jiangsu Provincial Party Committee and Provincial Government, and jointly awarded "The Most Beautiful Science and Technology Worker in Jiangsu Province" by various departments including the Jiangsu Provincial Party Committee Publicity Department, Provincial Science and Technology Association, and Provincial Science and Technology Department. In 2024, Mr. Guo was honoured with the First Prize in Metallurgical Science and Technology by the China Iron and Steel Association and The Chinese Society for Metals. He was recognised as the "Nanjing City Outstanding Contributor to Socialism Development with Chinese Characteristics (6th Session)" by the Nanjing Municipal Committee of the Communist Party of China and Nanjing Municipal People's Government. He was appointed as an "Expert Reviewer for the China Association for Science and Technology Talent Awards" by the Training and Talent Service Centre of China Association for Science and Technology, and as "Vice President of Jiangsu Province Talent Innovation and Entrepreneurship Promotion Association". He was also named as "Outstanding Entrepreneur of 2022-2023" by the Nanjing New Industry Association.

On June 28, 2021, on the occasion of the 100th anniversary of the founding of the Communist Party of China, Mr. Guo was honoured with the title of "National Outstanding Communist Party Member," a recognition of his achievements and the brilliant accomplishments of Sunpower over more than two decades. Since establishment of Sunpower, Mr. Guo has been committed to the industrialisation of scientific and technological achievements, leading the company to along a path of domestic innovation and sustainable development through "industry-university-research" collaboration. Mr. Guo has led the company in advancing excellent performance management, contributing tirelessly to China's increased production, energy conservation, and the the advancement of a circular economy. In June 2022, Mr. Guo received the Nanjing Mayor Quality Award Personal Award. On July 20, 2023, his story of innovation was featured in the fourth episode of the prominent industrial documentary "Pillars of Talent: The Craftsmanship" on the CCTV Finance and Economics Channel.

Mr. Guo graduated in 1983 with a Bachelor's degree and obtained his Ph.D. in Geotechnical Engineering from the Cold and Arid Regions Environmental and Engineering Research Institute of the Chinese Academy of Sciences in 2010. In 2014, He received an EMBA degree at Tsinghua University.

Mr. Yang was appointed as an Independent Non-Executive Director in November 2017 and was appointed as Lead Independent Director of the Group on 25 June 2019. Mr Yang's professional title is Professor, and he is a PRC Certified Public Accountant (CPA), a senior member of the Chinese Institute of Certified Public Accountants (CICPA), a consultant of the Accounting Education Committee of the Accounting Society of China (ASC) and a member of the First National Audit Information and Standardisation Technical Committee. Mr. Yang is currently the President of Shenzhen Rihao Financial Intelligence Research Institute and a Director of SVG Tech Group Co., Ltd. Mr. Yang has been an accounting teacher at Nanjing Audit University since 1987 and was the Dean of the School of Accounting at Nanjing Audit University. He was a part-time Professor at Curtin University of Australia and served as Vice-President of Xi'an Eurasia University from 2014 to 2018. Mr. Yang has also served as an independent director in a number of companies and is currently an independent director of Meig Smart Technology Co., Ltd. Mr. Yang graduated with a Bachelor's degree in Economics from Anhui University in 1982. He studied as a visiting scholar in the field of auditing in Nanjing University from 1994 to 1995, and received professional training at the German Federal Court of Auditors and the Hong Kong Financial Services Institute.

Mr. Wang was appointed as an Independent Director on 25 June 2019 and was last re-elected on 28 April 2021. He graduated with a Bachelor of Law degree from Peking University in 1984. From August 1993 till May 2002, he worked with many established Singapore law firms as their Chinese Legal Counsel. Mr. Wang then set up Shanghai Yuantai Law Offices in 2004 and is the firm's founding partner. He has more than 30 years of PRC legal practice experience in a wide range of areas, including capital markets, corporate finance and mergers & acquisitions. Mr. Wang currently serves as a director of Matex International Limited.

Mr. Mak was appointed as an Independent Director on 13 May 2024.

He is a practising lawyer with more than 29 years of experience in legal practice in Singapore. He is currently a consultant with Fortis Law Corporation. His current practice focuses on mergers and acquisitions, joint ventures, securities and capital markets, listed company work, general corporate/commercial work and cross-border transactions. He is also familiar with corporate governance, from the perspectives of a legal practitioner as well as an independent director of listed companies.

He is the non-executive chairman and independent director of H2G Green Limited (listed on the Catalist Board of the SGX-ST). He is also a board member of The Singapore Lyric Opera Limited. He is a Senior Accredited Director, accredited by the Singapore Institute of Directors.

Mr. Mak was awarded the Public Service Medal (Pingat Bakti Masyarakat, PBM) by the President of Singapore in the 2012 Singapore National Day honours list. He graduated from the National University of Singapore in 1994 with a Bachelor of Laws (Second Class Honours Upper Division).

Ms. Pan has engaged in environment and water-related businesses for the past 25 years. Since 2003, she has successfully founded and invested in a number of companies in the areas of water treatment, advanced materials, energy conservation and emission reduction, artificial intelligence (AI) technology for water and low carbon emission; and smart city sanitation services.

In 2005, she co-founded a membrane company in Singapore, namely Memstar Technology Pte Ltd ("Memstar") which was successfully listed on the Mainboard of the Singapore Exchange (SGX) in 2007. Ms Pan was the Executive Chairman of the company. Under her leadership, Memstar became one of the largest manufacturers of high-performance hollow fiber membranes in the world. Memstar was recognized in 2013 as one of Forbes Asia's Top 100 SMEs and received the Best Annual Growth award.

In 2014, Memstar merged with United Envirotech Ltd ("United Envirotech") which was listed on SGX Mainboard in 2004. In 2015, China's CITIC Group invested US$1 billion to acquire a 54% stake in United Envirotech, and the company was then renamed CITIC Envirotech Ltd. Ms Pan served as Chief Operating Officer of the company and chairman of the Investment Committee, Technology Development Committee and Performance Assessment committee.

Ms Pan graduated from Jilin University in China with a Bachelor and Master's degree in Chemistry in 1990 and 1993 respectively.

Mr. Ngoo is Executive Chairman of Leader Environmental Technologies Ltd ("LET"). He is a seasoned executive officer with over 20 years of experience in the environmental sector, distinguished by his leadership in multiple key roles throughout his career. Since joining LET in 2020 as Deputy CEO, he has been instrumental in shaping the Group's financial strategy, strengthening risk management frameworks, and driving successful fundraising initiatives. In 2021, he was appointed to the Board as Executive Director/Finance Director, where he has played a pivotal role in steering the Group's growth and leading its transformation into a technology-driven organization.

Prior to joining LET, Mr. Ngoo served as Chief Financial Officer at CITIC Envirotech Ltd ("CEL") for over 16 years, since its IPO in 2004. During his tenure, he oversaw all aspects of the company's financial operations, including structuring and executing complex debt and equity fundraising transactions. He also led corporate and asset acquisitions across China and Southeast Asia, positioning CEL as a billion-dollar market capitalization company supported by esteemed investors such as KKR and CITIC Limited.

Earlier in his career, Mr. Ngoo developed a strong foundation in technical accounting and financial governance as an Audit Manager at Deloitte & Touche LLP, where he led audits for multinational corporations, listed companies, and due diligence engagements.

Mr. Ngoo holds a Master's degree in Applied Finance and a Bachelor's degree in Business (Accountancy). He is a member of the Institute of Singapore Chartered Accountants and CPA Australia.

Mr. Yee Chia Hsing was appointed as Independent Director of our Company on 30 April 2025. Mr. Yee, a First-Class Honours graduate in Accountancy from Nanyang Technological University Singapore, has significant experience in corporate finance, capital markets and management. Mr. Yee has more than 20 years of experience in the banking and finance industry. After his banking career, he went on to head a health supplements division of a SGX listed company, before taking on the Executive Director/CEO role in another SGX listed company with hospitality assets. Mr. Yee is a Member of the Audit Committee of Ren Ci Hospital (non director role). He also sits on the boards of Yangzijiang Shipbuilding (Holdings) Ltd., Beng Kuang Marine Limited, Hiap Tong Corporation Ltd, Union Gas Holdings Ltd and Zhongmin Baihui Retail Group Ltd as Independent Director. Mr. Yee served as a Member of Parliament of Chua Chu Kang GRC ("Nanyang division") from 2015 to 2020.