Zhongzi Technology: providing guarantee for the subsidiary's 15 million yuan financing lease contract.

China Science and Technology announced that in order to meet the daily operational needs of its wholly-owned subsidiary Hai'an Hanhe, it recently signed a 15 million yuan "financial leasing contract" with Suzhou Jinzu. The company provided an irrevocable joint and several liability guarantee for the performance of this contract. As of the disclosure date of the announcement, the company has provided guarantees totaling 149.72 million yuan for the future of China Science and its subsidiaries, with a total external guarantee amount of 379.72 million yuan, accounting for 20.80% of the net assets attributable to the shareholders of the listed company in the most recent audited period, and no overdue guarantees. This guarantee is within the approved limit by the shareholders' meeting and does not require further approval procedures.