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1st Proof • 30/11/2007 • Biosino • 071101847ann(Client)

BIOSINO BIO-TECHNOLOGY AND SCIENCE INCORPORATION


(Incorporated in the People’s Republic of China with limited liability)
(Stock Code: 8247)
CHANGE OF QUALIFIED ACCOUNTANT

The Board of Directors (the “Board”) of Biosino Bio-Technology and Science Incorporation (the
“Company”) announces that Mr. Sit Hon Cheong (“Mr. Sit”) has resigned of his own accord as the
qualified accountant of the Company with effect from 4 December 2007. Mr. Sit has confirmed that he
has no disagreement with the Board and there is no matter which needs to be brought to the attention of
the shareholders of the Company in respect of his resignation.
The Board also announces that Mr. Tung Woon Cheung, Eric (“Mr. Tung”) has been appointed as the
qualified accountant of the Company with effect from 4 December 2007.
The Board would wish to take this opportunity to express their gratitude to Mr. Sit for his valuable
contributions to the Company during his tenure of office.
By the order of the Board
Biosino Bio-Technology and Science Incorporation
Tung Woon Cheung, Eric
Company Secretary
Beijing, PRC, 4 December 2007


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1st Proof • 30/11/2007 • Biosino • 071101847ann(Client)
As at the date of this announcement, the Board of Directors comprises of:
Chairman and Executive Director
Mr. Wu LebinN!s[
Vice Chairman and Non-executive Directors
Mr. Zhang Yongu[and Dr. Gao Guang Xia{
Executive Directors
Dr. Wang Lin{and Mr. Hou QuanminO[
Non-executive Directors
Ms. Li Chang~{, Mr. Rong Yangq[, Mr. Wang Fu GenE[and Ms. Yu
XiaominO~{
Independent non-executive Directors
Dr. Cheng Jing/{, Dr. Hua Sheng6[{and Mr. Chan Yiu Kwong4[
This announcement, for which the Directors collectively and individually accept full responsibility, includes
particulars given in compliance with the Rules Governing the Listing of Securities on the Growth Enterprise
Market of The Directors, having made all reasonable enquiries, confirm that, to the best of their
knowledge and belief, (1) the information contained in this announcement is accurate and complete in all
material respects and not misleading; (2) there are no other matters the omission of which would make
any statement in this announcement misleading; and (3) all opinions expressed in this announcement
have been arrived at after due and careful consideration and are founded on bases and assumptions that
are fair and reasonable.
This announcement will remain on the GEM website with the domain name of www.hkgem.com on the
“Latest Company Announcements” page for at least 7 days from the date of its posting.