Netjoy Holdings Limited — Proxy Solicitation & Information Statement 2012

May 28, 2012

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Proxy Form for 2011 Annual General Meeting (Revised)

Attention: Please note that Resolution No. 10 is a new item included in the agenda of 2011 Annual General Meeting. For further details, please refer to the announcement and supplemental notice of 2011 annual general meeting both issued by the Company on 28 May 2012.

Number of Shares related H Shares/Domestic to this proxy form [ (Note 1)] Shares* I (We) [(Note 2)] of , Shareholders’ Account: and I.D. No.: , being the holder(s) of H Share(s)/Domestic Share(s) * [(Note 1)] of Huaneng Power International , Inc. (the “Company”) now appoint [(Note 3)] I.D. No.: (of ),

or failing him the Chairman of the meeting as my(our) proxy to attend and vote for me(us) on the following resolutions in accordance with the instruction(s) below and on my(our) behalf at the 2011 Annual General Meeting to be held at 9 a.m. on 12 June 2012 at the headquarters of the Company at Huaneng Building, 4 Fuxingmeni Street (now known as 6 Fuxingmennei Street), Xicheng District, Beijing, the People’s Republic of China for the purpose of considering and, if thought fit, passing the resolutions as set out in the notice convening the said meeting. In the absence of any indication, the proxy may vote for or against the resolutions at his own discretion. [(Note 6)]

	ORDINARY RESOLUTIONS	For(Note 4)	Against(Note 4)
1.	To consider and approve the working report from the Board of Directors of
	the Company for 2011
2.	To consider and approve the working report from the Supervisory
	Committee of the Company for 2011
3.	To consider and approve the audited financial statements of the Company
	for 2011
4.	To consider and approve the profit distribution plan of the Company for
	2011
5.	To consider and approve the proposal regarding the appointment of the
	Company’s auditors for 2012
	SPECIAL RESOLUTIONS
6.	To consider and approve the proposal regarding the issue of short-term
	debentures of the Company
7.	To consider and approve the proposal regarding the issue of super short-
	term debentures
8.	To consider and approve the issue of private placement of financial
	instruments
9.	To consider and approve the extension of the general mandate for the issue
	of RMB-denominated debt instruments

1. To consider and approve the proposal regarding the change in director

ORDINARY RESOLUTION

Date: 2012

Signature:

[(Note 5)]

Notes:

1. Please insert the number of Share(s) registered in your name(s) relating to this form of proxy. If no number is inserted, this form of proxy will be deemed to relate to all of the shares in the capital of the Company registered in your name(s).

2. Please insert full name(s) and address(es) in BLOCK LETTERS .

3. Please insert the name and address of your proxy. If this is left blank, the chairman of the 2011 Annual General Meeting will act as your proxy. One or more proxies, who may not be member(s) of the Company, may be appointed to attend and vote in the meeting provided that such proxies must attend the meeting in person on your behalf. Any alteration made to this proxy form must be signed by the signatory.

4. Attention: If you wish to vote FOR any resolution, please indicate with a “ 3 ” in the appropriate space under “For”. If you wish to vote AGAINST any resolution, please indicate with a “ 3 ” in the appropriate space under “Against”. In the absence of any such indication, the proxy will vote or abstain at his discretion.

5. This form of proxy must be signed underhand by you or your attorney duly authorised in that behalf. If the appointer is a corporation, this form must be signed under its common seal or under hand by any directors or agents duly appointed by such corporation.

6. This form of proxy together with the power of attorney or other authorisation document(s) which have been notarised, must be delivered, in the case of a holder of Domestic Share(s), to the Company and in the case of a holder of H Share(s), to Hong Kong Registrars Limited, at least 24 hours before the time designated for the holding of the 2011 Annual General Meeting.

7. The full text of Resolution 10 is set out in the Supplemental Notice of 2011 Annual General Meeting.

8. IMPORTANT: A SHAREHOLDER WHO HAS ALREADY LODGED THE PROXY FORM (“FIRST PROXY FORM”) WHICH WAS SENT TOGETHER WITH THE COMPANY’S NOTICE OF 2011 ANNUAL GENERAL MEETING DATED 26 APRIL 2012 SHOULD NOTE THAT:

9. (a) If this Revised Proxy Form is not lodged with the Company’s H Share Registrar, the First Proxy Form will be treated as a valid proxy form lodged by him/her if correctly completed. However, shareholders using the First Proxy Form will not be able to vote in respect of Resolution numbered 10.

10. (b) If this Revised Proxy Form is lodged with the Company’s H Share Registrar not less than 24 hours before the time fixed for convening the Annual General Meeting, this Revised Proxy Form will revoke and supersede the First Proxy Form previously lodged by him/her. This Revised Proxy Form will be treated as a valid proxy form lodged by the shareholder if correctly completed.

11. 9 If a shareholder has any queries about the validity of his/her proxy form deposited, he/she may contact the Company’s H Share Registrar Hong Kong Registrar Limited at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Hong Kong.

12. Please delete as appropriate.