China's 1,000-odd publicly listed companies were urged on November 30 to disclose timely information on their readiness for the Y2K computer problem.

Separate bulletins by the Shanghai and Shenzhen stock exchanges said all the publicly listed firms should carry out careful examinations to ensure their systems are Y2K compliant.

The bulletins said that companies with Y2K problems should disclose the following information: in-house conclusions on Y2K, Y2K compliance conclusions by authoritative departments, risks arising from Y2K, products used in Y2K compliance conclusions, emergency plans and Y2K rehearsal results. (Xinhua)