Electronic dissemination of corporate communications

Pursuant to Rule 2.07A (effective on 31 December 2023) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited and in compliance with the Company’s articles of association, to support environmental protection, increase efficiency in communication with each shareholder and save printing and mailing costs, the Company will disseminate future corporate communications of the Company (“Corporate Communications”¹ ) on its website (http://www.yipschemical.com) and the Stock Exchange’s website (www.hkexnews.hk) and only send Corporate Communications in printed form to its shareholders upon request. For further details of the arrangement in relation to the Corporate Communications, please see the notification letters published by the Company as follows:

1. Corporate Communications include any document(s) issued or to be issued by the Company for the information or action of holders of any of its securities or the investing public, including but not limited to (a) the directors’ report and its annual accounts together with a copy of the auditors’ report and, where applicable, its summary financial report; (b) the interim report and, where applicable, its summary interim report; (c) the environmental, social and governance report ; (d) a notice of meeting; (e) a listing document; (f) a circular; and (g) a proxy form.