Tiantong Shares: Clarify that the company is not involved in false statements related to solar modules, commercial aerospace, lithium niobate crystals, etc.

Tontek Co., Ltd. Announcement: Recently, there have been unfounded rumors on online platforms such as East Money Stock Bar and stock forums regarding the company's involvement in optical modules, commercial aerospace, lithium niobate crystals, etc., causing high market attention. In order to avoid misleading investors, after the company's verification, the following clarifications are now provided: 1. The company's main business has not changed, and the company does not produce optical module products. 2. The company's main business has not changed, and the company does not produce commercial satellites. 3. In the field of lithium niobate crystals, the company's involvement is in the "large-size RF piezoelectric wafer project." This project was a fund-raising project for the company, and in December 2025, the company re-evaluated its feasibility and extended its construction period until December 2029. Currently, the project is still under investment and construction, with small production capacity and sales volume, and it has a relatively small impact on the company's operating performance.