On 15 July 2026, ISDN Holdings Limited released a circular detailing its forthcoming “Scrip Dividend Scheme” and distributed the accompanying election form to registered shareholders.

The company has posted both English and Chinese versions of the circular on its official website (https://www.isdnholdings.com) and on HKEX’s website (https://www.hkexnews.hk). In alignment with its sustainability strategy, ISDN Holdings is encouraging shareholders to access current and future corporate communications via these online platforms.

Key points: 1. Availability: The circular and all subsequent corporate communications can be viewed or downloaded free of charge from the two websites. 2. Shareholder Options: Investors may, at any time, elect to receive corporate documents either (a) in electronic form, or (b) in printed form in English, Chinese, or both languages, irrespective of any previous preferences. 3. Printed Copies: To obtain physical documents or revise existing preferences, shareholders must complete and submit the request form enclosed with the notice. The form can be returned to Boardroom Share Registrars (HK) Limited at 2103B, 21/F, 148 Electric Road, North Point, Hong Kong, using the provided mailing label (postage-paid in Hong Kong) or by email to isdn-hk@boardroomlimited.com. 4. Email Notifications: Shareholders are responsible for supplying a valid email address to receive electronic notifications of new corporate communications and actionable documents. Without a registered email, such notices will be dispatched in printed form only. 5. Further Enquiries: Questions regarding the communication arrangements can be directed to isdn-hk@boardroomlimited.com.

Managing Director and President Mr Teo Cher Koon signed the notice on behalf of ISDN Holdings Limited.