CENTENNIAL MONEY MARKET TRUST
Supplement dated April 1, 2000 to the
Prospectus dated November 1, 1999
The Portfolio Managers section on page nine of the prospectus is revised as
follows:
Portfolio Manager. The portfolio manager of the Fund is Carol E. Wolf.She is the
person principally responsible for the day-to-day management of the Fund's
portfolio. Ms. Wolf was co-portfolio manager of the Fund from June 15, 1998
until April 1, 2000, when she became the sole portfolio manager. She is a
Vice President of the Manager and of the Fund and an officer and portfolio
manager of other Oppenheimer funds.
April 1, 2000 PS0150.007
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CENTENNIAL MONEY MARKET TRUST
Supplement April 1, 2000 to the
Statement of Additional Information dated November 1, 1999
The Statement of Additional Information is changed by deleting the biographical
information for Arthur J. Zimmer on page 13.
April 1, 2000 PX0150.005
