Amendment to Declaration of Trust
                                      of

                        Centennial Money Market Trust


This amendment to the  Declaration  of Trust of Centennial  Money Market Trust
is executed this 9th day of February, 2001.

WHEREAS, the Trustees established Centennial Money Market Trust (the
"Trust"), a business trust, under the laws of the Commonwealth of
Massachusetts, for the investment and reinvestment of funds contributed
thereto, under an Agreement and Declaration of Trust dated February 26, 1986
as filed with the Commonwealth of Massachusetts; and

WHEREAS, part 5, Article NINTH of the Declaration of Trust requires that
amendments thereto be by an instrument in writing signed by an officer of the
Trust pursuant to a majority vote of the Trustees and filed with the
Commonwealth of Massachusetts; and

WHEREAS, the Trustees now desire to amend the Declaration of Trust and such
amendments and filing thereof have been approved by a majority of the
Trustees.

NOW, THEREFORE,

1.    Part 7, Article NINTH of the Declaration of Trust is hereby amended as
      follows:

            The Trustees may, without the vote or consent of the
            Shareholders, amend or otherwise supplement this Declaration of
            Trust by executing or authorizing an officer of the Trust to
            execute on their behalf a Restated Declaration of Trust
            supplemental hereto, which thereafter shall for a part hereof,
            provided, however, that none of the following amendment shall be
            effective unless also approved by a favorable vote of the holders
            of a "majority" of the outstanding securities, as defined in the
            Act, or by any larger vote which may be required by applicable
            law in any particular case: (i) any amendment to parts 1 and 2,
            Article FIFTH; (ii) any amendment to this part 7, Article NINTH;
            (iii) any amendment to Part 1, Article NINTH; and (iv) any
            amendment to part 4(a), Article NINTH that would change the
                                                      =
            voting rights of Shareholders contained therein.  Any amendment
            required to be submitted to the Shareholders that, as the
            Trustees determine, shall affect the Shareholders of any class
            shall, with respect to the class so affected, be authorized by
            vote of the Shareholders of that class and no vote of
            Shareholders of a class not affected by the amendment with
            respect to that class shall be required.  Notwithstanding
            anything else herein, any amendment to Article NINTH, part 1
            shall not limit the rights to indemnification or insurance
            provided therein with respect to action or omission or
            indemnities or Shareholder indemnities prior to such amendment.

2.    Part 1, Article FIFTH of the Declaration of Trust is hereby amended as
follows:

            The Shareholders shall have the power to vote (i) for the
            election of Trustees when that issue is submitted to them, (ii)
            with respect to the amendment of this Declaration of Trust, to
            the extent and as provided in part 7, Article NINTH, (iii) to the
            same extent as the shareholders of a Massachusetts business
            corporation, as to whether or not a court action, proceeding or
            claim should be brought or maintained derivatively or as a class
            action on behalf of the Trust or the Shareholders, and (iv) with
            respect to those matters relating to the Trust as may be required
            by the 1940 Act or required by law, by this Declaration of Trust,
            or the By-Laws of the Trust or any registration statement of the
            Trust filed with the Commission or any State, or as the Trustees
            may consider desirable.

3.    These  revisions to the  Declaration of Trust shall become  effective on
      February 9, 2001.

4.    All other terms and conditions of the Declaration of Trust shall remain
      the same.

      IN WITNESS WHEREOF, the undersigned has caused this Amendment to be
signed on the day and year first set forth above.





IN WITNESS WHEREOF, the undersigned have executed this instrument as of the
9th day of February 2001.


/s/ William L. Armstrong                              /s/      Raymond      J.
Kalinowski
William L. Armstrong                                  Raymond J. Kalinowski
11 Carriage Lane                                44 Portland Drive
Littleton, CO  80121                                  St. Louis, MO  63131

/s/ Robert G. Avis                                    /s/ C. Howard Kast
Robert G. Avis                                  C. Howard Kast
1706 Warson Estates Drive                             2552 East Alameda  #30
St. Louis, MO  63124                                  Denver, CO  80209


/s/ George C. Bowen                                   /s/ Robert M. Kirchner
George C. Bowen                                 Robert M. Kirchner
9224 Bauer Court                                2800 S. University Blvd.  #131
Denver, CO  80210
Lone Tree, CO  80124


/s/ Edward Cameron                                    /s/ Bridget A. Macaskill
Edward Cameron                                  Bridget A. Macaskill
Spring Valley Road                                    160 East 81st Street
Morristown, NJ  07960                           New York, NY  10028


/s/ Jon S. Fossel                               /s/ F. William Marshall Jr.
Jon S. Fossel                                         F. William Marshall Jr.
187 Mead Street - Box 44                              87 Ely Road
Waccabuc, NY  10597                             Longmeadow, MA  01106


/s/ Sam Freedman                                /s/ James C. Swain
Sam Freedman                                    James C. Swain
4975 Lakeshore Drive                                  355 Adams Street
Littleton, CO  80123                                  Denver, CO  80206










Centennial/150/2001/Exhibit23(a).doc