Netjoy Holdings Limited — AGM Information 2021

Nov 3, 2021

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(Stock Code: 902)

Reply Slip for 2021 Second Extraordinary General Meeting

I/(We) of Telephone number: and Fax number: , being the holder(s) of H Share(s)/Domestic Share(s)* of Huaneng Power International, Inc. (the “ Company ”) hereby reply that I/(We) wish to attend or appoint a proxy to attend (on my/our behalf) the 2021 Second Extraordinary General Meeting (the “ Extraordinary General Meeting ”) to be held at 9:00 a.m. on 21 December 2021 at Conference Room A102, Huaneng Building, 6 Fuxingmennei Street, Xicheng District, Beijing, the People’s Republic of China.

Signature:

Date:

Note: Eligible shareholders who wish to attend the Extraordinary General Meeting are advised to complete and return this reply slip to the Company’s business address at Capital Market Department, Huaneng Power International, Inc., Huaneng Building, 6 Fuxingmennei Street, Xicheng District, Beijing 100031, the PRC by post or by facsimile (Fax no.: (+86)-10-6322 6888). Failure to sign and return this reply slip, however, will not preclude an eligible shareholder from attending the Extraordinary General Meeting.

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