UNUSUAL TRADING VOLUME AND PRICE MOVEMENTS

This statement is made at the request of
The board of directors (the “Board”) of Delta Networks, Inc. (the “Company”) has noted an increase in the
trading volume of the shares and the share price of the Company today and wish to state that save and except
for the Company’s announcements dated 27 October 2007 and 30 October 2007 in relation to the unaudited
quarterly results for the nine months ended 30 September 2007 and the clarification announcement
respectively, the Board is not aware of any reasons for such increase.
The Board also confirms that there are no negotiations or agreements relating to intended acquisitions or
realizations which are discloseable under the Listing Rule 13.23, neither is the Board aware of any matter
discloseable under the general obligation imposed by Listing Rule 13.09, which is or may be of a price-
sensitive nature.
Made by the order of the Board, the directors of which individually and jointly accept responsibility for the
accuracy of this statement.

By order of the Board
DELTA NETWORKS, INC.

Cheng An, Victor
Executive Director

Taipei, Taiwan
31 October 2007

As at the date of this announcement, the executive directors of the Company are Mr. Liang Ker Uon, Sam
and Mr. Cheng An, Victor; the non-executive directors are Mr. Cheng Chung Hua, Bruce and Mr. Hai Ing-
Jiunn, Yancey; the independent non-executive directors are Mr. Zue Wai To, Victor, Mr. Liu Chung Laung
and Mr. Shen Bing.