ANNOUNCEMENT -- In relation to the matter of Chengdu Top Sci-Tech Company Limited (Stock Code: 8135) Cancellation of listing in accordance with Rule 9.14 of the GEM Listing Rules

THE STOCK EXCHANGE OF HONG KONG LIMITED
(A wholly-owned subsidiary of Hong Kong Exchanges and Clearing Limited)

ANNOUNCEMENT

In relation to the matter of Chengdu Top Sci-Tech Company Limited
(Stock Code: 8135)

Cancellation of listing in accordance with Rule 9.14 of the
Rules Governing the Listing of Securities on
The Growth Enterprise Market of
The Stock Exchange of Hong Kong Limited (the GEM Listing Rules)

The Exchange announces that the listing of the H shares of Chengdu Top Sci-Tech Company Limited (the Company) will be cancelled with effect from 9:30 a.m. on 18 May 2007 in a ccordance with Rule 9.14 of the GEM Listing Rules.

Dealings in the H shares of the Company have been suspended since 19 April 2004.  On 6 November 2006, the Company announced that the Exchange proposed to exercise its right to cancel the listing of the H shares of the Company on the Exchange.  The Company was given a period of six months (expiring on 19 April 2007) for the submission of a viable resumption proposal and to remedy those matters that gave rise to the Exchange’s proposal to cancel the listing of the Company, and the Company was required to submit such resumption proposal at least 10 business days as defined in the GEM Listing Rules before the expiry of the six-month period.  The Company has failed to submit a viable resumption proposal as required. Therefore the Exchange will cancel the listing of the Company’s H shares.

The Exchange has notified the Company of its obligation under Rule 9.17 of the GEM Listing Rules to publish an announcement providing details of the Exchange’s decision and the consequences to shareholders of the Company.

The Exchange advises shareholders of the Company who have any queries about the implications of the delisting to obtain appropriate professional advice.