On June 23, 2022 Yantai Jereh Oilfield Services Group Co., Ltd. closed the transaction. The company has issued 69,098,949 A shares at a price of CNY 36.18 per share for total gross proceeds of CNY 249,9999,974.82. The transaction included participation from Caitong Fund Management Co., Ltd. for 8,568,269 shares, Guotai Asset Management Co., Ltd. for 8,291,873 shares, Gaoyi Xiaofeng No.

2 Letter to Fund and Gao Yi-Xiaofeng No. 1 Ruiyuan Securities Investment Fund, funds managed by Perseverance Asset Management L.L.P. for 11,055,830 shares, Fullgoal Fund Management Co., Ltd. for 7,490,326 shares, Jiangsu Ruihua Investment Management Co., Ltd. for 5,527,915 shares, China Asset Management Co., Ltd. for 5,472,636 shares, UBS AG for 4,339,414 shares, Jinan Jiangshan Investment Partnership (Limited Partnership) for 4,145,936 shares, Nuode Fund Management Co., Ltd. for 3,344,389 shares, Guotai Junan Securities Co., Ltd. for 2,846,886 shares, GF Fund Management Co., Ltd. for 2,045,328 shares, Abu Dhabi Investment Authority for 1,990,049 shares, Beijing Yi'an Capital Management Co., Ltd. for 1,990,049 shares and Taiping Asset Management Company Limited for 1,990,049 shares. The company has received CNY 248,748,3821.84 after deducting issuance cost CNY 12,516,152.98 in the transaction.