The board of directors of China Oil Gangran Energy Group Holdings Limited (the "Company") has been sadly informed by the son of Mr. Rong Changjun ("Mr. Rong") that Mr. Rong, an executive director and vice chairman of the Company, unfortunately passed away on 3 June 2021. The Board expresses its heartfelt condolences to Mr. Rong's family. After the passing away of Mr. Rong, the current number of directors of the Company decreased from eleven to ten, which will not have material impact on the operation of the Board. The Company will consider appointing new directors according to relevant procedures and announcement(s) will be made by the Company in due course pursuant to the requirements of the laws and regulations and the Articles of Association of the Company.