[Shanghai Stock Exchange Revises "One Guide for Board Secretaries" to Promote and Ensure the Performance of Board Secretaries' Duties] On September 18, the Shanghai Stock Exchange recently issued a "One Guide for Understanding the Duties of Board Secretaries of Listed Companies on the Shanghai Stock Exchange (Revised in 2026)" (hereinafter referred to as "One Guide for Board Secretaries") to all Shanghai-listed companies. The aim is to help listed companies accurately grasp the key points of the new rules for board secretaries and further promote and ensure the performance of board secretaries' duties. It is reported that "One Guide to Board Secretaries" is based on the institutional background of the release and implementation of new regulations on board secretaries, updates the rule system and important content maps involved in the performance of board secretaries' duties, and collects typical cases of board secretaries' performance of duties for reference.