Petrochemical Oil Service: Li Honghai resigned as secretary of the board of directors Cheng Zhongyi took over the baton

China Economic Network Beijing, August 3 ( Petrochemical Oil Service (600871.SH) announced tonight that due to his age, Li Honghai submitted his resignation to the company's board of directors today and resigned as the secretary of the company's board of directors, effective from today. After his resignation, Li Honghai will continue to serve as a senior expert of Sinopec Inc. in the field of capital operation in petrochemical oil services.

Today, petrochemical oil service held the fourth meeting of the 10th board of directors in the form of a written proposal. After deliberation, the Board of Directors resolved to appoint Cheng Zhongyi as the secretary of the Board of Directors of the Company for a term of office from today to the expiration date of the 10th Term of the Board of Directors.

Resumes of relevant personnel:

Li Honghai: Male, 57 years old, is a senior economist and graduated from a doctoral degree. In June 2000, he was appointed as the deputy manager, secretary of the board of directors and assistant to the chairman of Sinopec Zhongyuan Oil and Gas High-tech Co., Ltd., in April 2002 he was appointed as the deputy chief economist of Sinopec Zhongyuan Oilfield Branch, in December 2004 he was appointed as the manager of Sinopec Zhongyuan Oil and Gas High-tech Co., Ltd., in May 2007, he was appointed as the director of the General Management Department of the Enterprise Reform Department of Sinopec Group Corporation, and in August of the same year, he was also appointed as the director of the Asset Operation Division In June 2008, he was appointed as the director of the Capital Operation Division of the Enterprise Reform Management Department of Sinopec Corporation, and since July 2010, he has been the director of the Capital Operation Division of the Capital Operation Department of Sinopec Corporation. He was appointed Secretary of the Board of Directors of Petroleum Engineering Company in September 2014 and Secretary of the Board of Directors of Petrochemical Oil Services since February 2015. Since January 2019, he has been a senior expert of Sinopec In the field of capital operation.

Cheng Zhongyi: Male, 45 years old. Cheng Zhongyi is a senior accountant with a master's degree in engineering. In January 2015, he was appointed as the deputy director of the financial planning department and the chief accountant of the overseas engineering management center of Sinopec Shengli Petroleum Engineering Co., Ltd., the director of the financial planning division of Sinopec Shengli Petroleum Engineering Co., Ltd. in October 2017, the chief accountant of Sinopec Petroleum Engineering Geophysics Co., Ltd. in April 2018, the deputy general manager of Sinopec Group Shared Services Co., Ltd. in May 2020, and the chief accountant of petrochemical oil services in April 2021.