One unexpected disclosure, though, was that the commission was "conducting an informal inquiry" into charges raised by several Long Island legislators and other officials about possible improper disclosures on another Lilco proxy.

Acutely embarrassed by this unexpected disclosure, the British government hastily added a clause to the 1911 Official Secrets Act giving it the right to see copies of all cables if an emergency existed.

The defense also profited from an unexpected disclosure during Mr. Findlay's testimony.

After London's unexpected disclosure last week that a neurological disease in British cattle might be linked to a similar, fatal disorder occurring in humans, the European Commission banned imports of British beef.

An average show featured at least 3 interviews with often unexpected disclosures.

And in another unexpected disclosure, Chrysler acknowledged Monday that it had nearly 100,000 more unsold vehicles on hand this summer than it previously disclosed, at a time when its backlog soared well above industry norms.

The announcement was the most recent in a series of unexpected disclosures by Interpublic, which has been struggling with financial and operational difficulties for three years, mostly related to weak internal controls.

For a brief moment, Pitt stood silent, caught unprepared by the unexpected disclosure.

The computer publishing industry was still registering surprise yesterday at the unexpected disclosure late Thursday that the family-owned Ziff Communications empire was up for sale.

Few executives are likely to find themselves under as intense pressure as Mr. Welch because, barring a court filing in a divorce or other unexpected disclosure, shareholders and the public would not know the details.