Zhizheng Corporation: The stock abbreviation will be changed to "Leading Corporation" on June 1st.

Zhizheng Corporation announced that the board of directors will convene on May 18, 2026, to review and approve the proposal to change the securities abbreviation. It was agreed that the abbreviation would be changed from "Zhizheng Corporation" to "Leading Corporation," while the securities code "603991" will remain unchanged. The reason for the change is to align with the business transformation following a major asset restructuring, accurately reflecting the actual business and long-term strategic planning. After applying and obtaining approval from the Shanghai Stock Exchange, the securities abbreviation will officially change on June 1st.