I. Meeting Information
The 18th meeting of the 4th Board of Directors of Hangzhou Guotai Environmental Technology Co., Ltd. (hereinafter referred to as "the Company") was held on June 1, 2026, in the conference room on the 8th floor of the Company, combining in-person and communication methods. The meeting notice was delivered to all directors on May 22, 2026, through in-person, designated, and communication methods. The meeting was convened and presided over by Chairman Mr. Chen Baixiao, with 9 directors eligible to vote and 9 directors participating in the vote. Senior management attended the meeting. The number of voting directors and the procedures for convening and holding the meeting complied with the relevant provisions of the Company Law and the Articles of Association, making the resolutions legal and valid.