Mountain Stone Network Technology: Deputy General Manager Zhang Xia has resigned for personal reasons.

Shanshi Networks announced that the company's board of directors recently received a written resignation report from Vice General Manager Zhang Xia. Due to personal reasons, Zhang Xia applied to resign from the position of Vice General Manager on May 27, 2026. Originally, the term of office was until February 10, 2028. After resigning, she will not hold any other positions in the company. Zhang Xia has unfulfilled public commitments, but they are not related to shareholding commitments. She does not directly hold shares, but indirectly holds 48,277 shares through a partnership enterprise. After leaving office, she will abide by relevant regulations and commitments. Her work has been handed over and will not have any adverse effects on the company.