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

Oct 1, 2007

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

(Stock Code: 0386)

Reply Slip for the Third Extraordinary General Meeting for the Year 2007

I(We)[(1)]

of

being the holder(s) of (2) H Share(s)/domestic share(s) of RMB1.00 each in the capital of China Petroleum & Chemical Corporation (“Sinopec Corp.”) hereby confirm that I(we) or my proxy wish to attend the third extraordinary general meeting of Sinopec Corp. for the year 2007 (the “EGM”) to be held at Crowne Plaza Beijing-Park View Wuzhou, No.8 North Si Huan Zhong Road, Chaoyang District, Beijing, China at 9:00a.m. on 15 November, 2007.

Signature(s):

Date:

Notes:

• 1 Please insert full name(s) (in Chinese or in English) and registered address(es) (as shown in the register of members) in block letters.

1. Please insert the number of shares registered under your name(s).

2. The completed and signed reply slip should be delivered to Sinopec Corp. by hand, by post or by fax at A6 Huixindong Street, Chaoyang District, Beijing 100029, PRC (Fax no.: (+86)10 6499 0022) such that the same shall be received by Sinopec Corp. on or before 25 October, 2007. Failure to sign and return this reply slip, however, will not preclude an eligible shareholder from attending the EGM.