09:29 CATIC INT'L<00232> - Announcement (4) "Undertaking" the undertaking given by the Company to Sino Gas and the Underwriter on 30 May 2005 "Underwriter" Kingsway Financial Services Group Limited, the underwriter of the Open Offer, is a licensed corporation of the SFC permitted to engage in type 1 (dealing in securities), type 2 (dealing in futures contracts), type 4 (advising on securities), type 6 (advising on corporate finance) and type 9 (asset management) of the regulated activities under SFO "HK$" Hong Kong dollars, the lawful currency of Hong Kong "%" per cent. By order of the Board of CATIC International Holdings Limited Fu Shula Chairman of the Board Hong Kong, 30 May 2005 As at the date of this announcement, the Board comprises Mr. Fu Shula, Mr. Wang Xinkuo, Mr. Ji Guirong, Mr. Liu Rongchun, Mr. Diao Weicheng and Mr. Ren Haifeng as executive directors; Mr. Ip Tak Chuen, Edmond as non-executive director; Mr. Chu Yu Lin, David, Mr. Li Ka Cheung, Eric and Mr. Li Zhaoxi as independent non-executive directors.