Tianneng Power International Limited released its 2025 Annual Report on 16 April 2026. The full English and Chinese versions are now accessible in the “Investor Relations” section of the company’s website (www.tianneng.com.hk) and on the HKEXnews platform (www.hkexnews.hk).

Key points

1. Digital-first disclosure • The company is prioritising electronic dissemination of corporate materials. Shareholders who have supplied functional email addresses will receive email notifications when new communications are posted online. • If no valid email address is on record, the company will continue to dispatch printed notification letters and provide printed Actionable Corporate Communications by post.

2. Printed copies on request • Registered shareholders that previously opted for hard copies will find the 2025 Annual Report enclosed with the notice. • Printed versions of the current or future corporate documents can be obtained free of charge by submitting the enclosed Change Request Form or by writing to Tricor Investor Services Limited at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong, or via email to is-ecom@vistra.com.

3. Opt-in/opt-out flexibility • Shareholders may alter their preferred mode of receipt or language for future communications at any time by providing at least seven days’ written notice to the Hong Kong branch share registrar. • Unless revoked or superseded, requests for printed copies will remain effective until the end of the current financial year.

4. Shareholder support • Enquiries can be directed to the registrar’s hotline at (852) 2980 1333, Monday to Friday, 9:00 a.m.–6:00 p.m., or via email at is-ecom@vistra.com.

This notice underscores Tianneng Power’s move toward more efficient and sustainable stakeholder communication through expanded use of electronic channels.