Liu Zhongyi and Cai Houfu sighed an agreement to acquire 10% stake in Beijing Ruiji Tongda Technology Co., Ltd from Beijing Watertek Information Technology Co., Ltd. (SZSE:300324) on June 21, 2023. The consideration will be paid in cash. The total price of equity repurchase shall be the sum of Beijing Watertek Information Technology Co's total investment price and the investment income calculated at an annualized rate of return of 8% (simple interest).After the transfer is completed, Beijing Watertek Information Technology Co., Ltd. will not hold any equity in Ruiji Tongda.

For the year ended December 31, 2022, Beijing Ruiji Tongda Technology Co. reported revenue of CNY 25.6 million and net profit of CNY 12.7 million. As at December 31, 2022, Beijing Ruiji Tongda Technology Co.

reported total assets of CNY 67.2 million and net assets of CNY 52.5 million. On June 21, 2023, the 21st session of Beijing Watertek Information Technology Co’s 5th directorate approved the proposal on the repurchase of equity in Beijing Ruiji Tongda Technology Co.