21.   The exact timing had yet to be decided.

22.   The exact timing of the surgery will depend on whether added complications such as pneumonia arise, Jane said.

23.   The exact timing depends on atmospheric conditions.

24.   The exact timing of that meeting was uncertain.

25.   The exact timing of the deadline was unclear.

26.   Two other U.S. officials said they did not know the exact timing of the indictment.

27.   Welch, who postponed his retirement to see the merger through, still plans on retiring by the end of this year, though the exact timing was unclear.

28.   Fong reiterated the company will determine the exact timing of a listing based on market conditions.

29.   The spokesman said the exact timing of the departure of the planes from a NATO base in Germany was up to the US pilots.

30.   Mikhailov, accompanied by Interior Minister Anatoly Kulikov, left for Grozny from Moscow to restart high-level negotiations with the Chechens, although the exact timing was not known.