CK Life Sciences Int'l., (Holdings) Inc. — Proxy Solicitation & Information Statement 2005

Aug 1, 2005

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

(Stock Code: 0386)

Proxy Form for the 2005 First Extraordinary General Meeting

Number of Shares related to this proxy form [(note][1)]

I (We) [(note][2)]

of

being the holder(s) of [(note][1)] H Share(s)/domestic Share(s)

(note 3) of RMB1.00 each of China Petroleum & Chemical Corporation (“Sinopec Corp.”)

now appoint [(note][4)]

(I.D. No.:

of

)/the chairman of the meeting as my (our)

proxy to attend and vote for me (us) on the following resolution in accordance with the instruction(s) below and on my (our) behalf at the 2005 first extraordinary meeting of Sinopec Corp. (“EGM”) to be held at 9:00 a.m. on Monday, 19 September 2005 at Crowne Plaza Beijing-Park View Wuzhou, No.8 North Si Huan Zhong Road, Chaoyang District, Beijing, PRC for the purpose of considering and, if thought fit, passing the resolution as set out in the notice convening the EGM. In the absence of any indication, the proxy may vote for or against the resolutions at his own discretion. [(note][5)]

• Special Resolution: For [(note][5)] Against [(note][5)]

• Proposal on issue of short-term commercial paper: (1) An approval to be given to the Company to issue in one or multiple tranches a short-term commercial paper of an aggregate principal amount up to 10% of the net assets value as shown in the Company’s latest audited consolidated financial statements prepared in accordance with PRC Accounting Rules and Regulations and up to the maximum amount for issue of short-term commercial paper as approved by the People’s Bank of China (the “PBOC”) after shareholders’ approval, pursuant to the Administrative Measures on Short-term Commercial Papers promulgated by the PBOC and any other applicable regulations; and

• (2) An unconditional general mandate to be given to the Board or any two or more directors to determine the terms and conditions and any relevant matters in relation to the issue of short-term commercial paper in view of the demand of the Company and the market conditions, including but not limited to the final principal amount, interest rate and term of maturity of the short-term commercial paper as set out in (1) above and the preparation and execution of all necessary documents.

Date: 2005 Signature(s): [(note][6)]

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 Sinopec Corp. registered in your name(s).

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

3. Please delete as appropriate.

4. Please insert the name and address of your proxy. If this is left blank, the chairman of the EGM will act as your proxy. One or more proxies, who may not be member(s) of Sinopec Corp., 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 his proxy form must be signed by the signatory.

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

6. This form of proxy must be signed under hand by you or your attorney duly authorized on your behalf. If the appointor is a legal person, this form must be signed under its common seal or under hand by any directors or agents duly appointed by such corporation.

7. This form of proxy together with the power of attorney or other authorization document(s) which have been notarised must be delivered, in the case of holders of domestic shares, to Sinopec Corp. at A6 Huixindong Street, Chaoyang District, Beijing 100029, the People’s Republic of China or, in the case of holders of H Shares, to Computershare Hong Kong Investor Services Limited at Rooms 1712-1716, 17th Floor, Hopewell Centre, 183 Queen’s Road East, Hong Kong at least 24 hours before the time designated for the holding of the EGM.