ST Tianyu: Deputy General Manager and Financial Officer Zhang Yanju resigns.

ST Tianyu announcement: Zhang Yanju, the deputy general manager and financial officer of the company, has resigned for personal reasons. From the date of submitting the resignation report to the board of directors, Zhang Yanju will no longer serve as the company's financial officer and deputy general manager, nor will she hold any other position in the company. The company has selected Mao Qianqian, the finance department head, to act as the financial officer and will quickly complete the appointment of a new financial officer.