CK Life Sciences Int'l., (Holdings) Inc. — Proxy Solicitation & Information Statement 2007

May 9, 2007

CHINA PETROLEUM & CHEMICAL CORPORATION

(a joint stock limited company incorporated in the People’s Republic of China with limited liability) (Stock Code: 0386)

Supplemental Proxy Form for the Annual General Meeting for the Year 2006

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

Tel. No.: )/ 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 annual general meeting of Sinopec Corp. for the year 2006 (“AGM”) to be held at 9:00 a.m. on Tuesday, 29 May 2007 at Crown Plaza Beijing Wuzhou, No.8 Beichendong Road, Chaoyang District, Beijing, PRC for the purpose of considering and. if thought fit, passing those resolutions as set out in the Supplemental Notice of Annual General Meeting for the Year 2006 dated 8 May 2007 and on my/our behalf voting on the following resolutions. In the absence of any indication, the proxy may vote for or against the resolutions at his own discretion. [(Note][5)]

Ordinary Resolutions	Ordinary Resolutions			For (Note 5)	For (Note 5)	Against (Note 5)	Against (Note 5)
6.	To consider and approve the “Sichuan-to-East China Gas Project” (the “Gas Project”)
	and to authorise the Board to take all necessary actions in relation to the Gas Project,
	including but not limited to the formulation and execution of all the necessary legal
	documents.
**Special **	Resolutions			For (Note 5)		Against (Note 5)
8.	To approve the following resolutions in relation to the		issue of corporate bonds:
	subject to the passing of the special resolution numbered 9 below, to approve Sinopec
	Corp. to issue corporate bonds according to its actual funding requirements in
	compliance with the relevant PRC laws and regulations, such approvals shall			be valid
	from the date of approvals passed at the AGM until the date of the AGM for			the year
	2007. The maximum accumulated balance of the bonds shall not exceed 40%			of the
	net assets, which at the	time of the issue of the bonds	in question will be calculated
	on the basis of the net assets contained in the latest audited consolidated financial
	statements of Sinopec Corp. prepared pursuant to the PRC Accounting Rules			and
	Regulations.
9.	Subject to the passing of the special resolution numbered 8 above, to consider and
	grant to the Board an unconditional and general mandate to deal with all matters in
	connection with the issue of corporate bonds, including but not limited to, determine
	the specific terms and conditions of the corporate bonds and other related matters in
	accordance with the needs of Sinopec Corp. and the market conditions, including the
	determination of the exact amount of corporate bonds within the upper limit			as
	mentioned in the special resolution numbered 8 above		and the formulation and
	execution of all necessary legal documents for such purpose.

Date: 2007

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 AGM 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. anyAttention:resolution,Apartpleasefrom resolutionindicate withnumbera “�”6in(thetheProxyappropriateForm forspaceresolutionunder “For”.numberIf 6youwillwishhe dispatchedto vote AGAINSTto the shareholdersany resolution,separately),please indicateif you wishwith toa “vote�” inFORthe 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 he 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 Huixintdong Street, Chaoyang District, Beijing 100029, the People’s Republic of China or, in the case of holders of H Shares, to Hong Kong Registrars 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 AGM.

8. This form of proxy is the supplemental proxy form for the purpose of the supplemental resolutions set out in the Supplemental Notice of Annual General Meeting for the Year 2006 dated 8 May 2007 and only serves as a supplementation to the original proxy form for the AGM.