Weichai Power Co., Ltd. — Proxy Solicitation & Information Statement 2008

Jul 1, 2008

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濰 柴 動力 股 份 有 限 公 司 WEICHAI POWER CO., LTD.

(a joint stock limited company incorporated in the People’s Republic of China with limited liability) (Stock Code: 2338)

Proxy form for use at the Extraordinary General Meeting and any adjournment thereof

No. of Shares to which this Proxy relates[1]

Type of Shares (H Shares/A Shares) to which this Proxy relates[1]

I/We[(note][2)]

of

being the registered holder(s) of H Shares/A Shares[(note][3)] in WEICHAI POWER CO., LTD. (the ‘‘Company’’), HEREBY APPOINT the Chairman of the Meeting or[(note][4)]

of

as my/our proxy to attend and act for me/us at the Extraordinary General Meeting of the Company to be held at the Company’s conference room at 26 Minsheng East Street, Weifang, Shandong Province, the People’s Republic of China (the ‘‘PRC’’) at 10:00 a.m. on 20 August, 2008 (and at any adjournment thereof) (the ‘‘EGM’’) and to exercise all rights conferred on proxies under law, regulation and the Articles of Association of the Company in respect of any other business to be considered in the EGM. I/We wish my/ our proxy to vote as indicated below in respect of the resolutions to be proposed at the EGM as hereunder indicated, or if no such indication is given, as my/our proxy thinks fit.

	ORDINARY RESOLUTIONS	FOR(note 5)	AGAINST(note 5)	ABSTAIN(note 5)
1.	To consider and approve the《濰柴動力股份有限公司關聯交易決策制
	度》(‘‘Rules for the Connected Transactions of Weichai Power Co., Ltd.’’).
2.	To consider and approve the appointment of Messrs. Ernst & Young as the
	non-PRC auditors of the Company and to authorise the Directors to
	determine their remuneration (and, for the purpose of this resolution, ‘‘PRC’’
	means the People’s Republic of China, but excluding Hong Kong, Macau and
	Taiwan).
	SPECIAL RESOLUTIONS	FOR(note 5)	AGAINST(note 5)	ABSTAIN(note 5)
3.	To consider and, if thought fit, pass the following resolutions, as a special
	resolutions, for the amendments to the articles of association of the Company
	as set out in the notice of the EGM.
4.	To consider and approve, as a special resolution, the amendments to《濰柴動
	力股份有限公司股東大會議事規則》(‘‘Rules for the Shareholders’ Meetings
	of Weichai Power Co., Ltd.’’).
Dated	the day of 2008	Signature(s)(note 6):

Notes:

1. Please indicate clearly the number of H Shares and/or A Shares in the Company registered in your name(s) in respect of which the proxy is so appointed. If no such number is inserted, the proxy will be deemed to be appointed in respect of all the H Shares and/or A Shares in the Company registered in your name(s).

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

3. Please delete as appropriate.

4. Where the proxy appointed is not the Chairman of the EGM, please cross out ‘‘the Chairman of the meeting or’’, and fill in the name(s) and address(es) of the proxy in the space provided. Each shareholder of the Company entitled to attend and vote at the EGM may appoint one or more proxies to attend and vote at the EGM on his behalf. A proxy need not be a shareholder of the Company. With respect to any shareholder of the Company who has appointed more than one proxy, the proxy holder may only vote on a poll. The person who signs this proxy form shall initial against any alteration in it.

5. Important: if you wish to vote for any resolution, tick in the box marked ‘‘For’’. If you wish to vote against any resolution, tick in the box marked ‘‘Against’’. If you wish to abstain from voting in respect of any resolution, tick in the box marked ‘‘Abstain’’. Failure to tick any box will entitle your proxy to cast your vote at his discretion.

6. This form of proxy must be signed by you or your attorney duly authorised in writing. If the form of proxy is signed by your attorney duly authorised in writing, the relevant power of attorney and other relevant documents of authorisation (if any) must be notarised. If a corporate shareholder appoints a person other than its legal representative to attend the EGM on its behalf, the relevant form of proxy must be affixed with the company seal/chop of the corporate shareholder or duly signed by its director or any other person duly authorised by that corporate shareholder as required by the Articles of Association of the Company.

7. To be valid, this form of proxy and the relevant notarised power of attorney (if any) and other relevant documents of authorisation (if any) must be delivered (i) with respect to holders of H Shares, to the Company’s H-Share Registrar and Transfer Office, Computershare Hong Kong Investor Services Limited (address: 46/F., Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong); and (ii) with respect to holders of A Shares, the Secretary to the Board of the Company (address: Weichai Power Co., Ltd., Securities Department, 197, Section A, Fu Shou East Street, High Technology Industrial Development Zone, Weifang, Shandong Province, the People’s Republic of China, Postal Code: 261061), not less than 24 hours before the time appointed for the EGM.