CENTENNIAL MONEY MARKET TRUST
485APOS, 1999-03-17
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                                                     Registration No. 2-65245
                                                             File No. 811-2945

                      SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, DC 20549

                                  FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES
ACT OF 1933                                                                [X]

Pre-Effective Amendment No. _____                                          [ ]

Post-Effective Amendment No. 26                                            [X]

                                    and/or

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY
ACT OF 1940                                                                [X]

Amendment No. 28                                                           [X]


                        CENTENNIAL MONEY MARKET TRUST
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              (Exact Name of Registrant as Specified in Charter)

               6803 South Tucson Way, Englewood, Colorado 80112
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             (Address of Principal Executive Offices) (Zip Code)

                                1-800-525-9310
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             (Registrant's Telephone Number, including Area Code)

                           Andrew J. Donohue, Esq.
- ------------------------------------------------------------------------------
                            OppenheimerFunds, Inc.
            Two World Trade Center, New York, New York 10048-0203
- ------------------------------------------------------------------------------
                   (Name and Address of Agent for Service)

It is proposed that this filing will become effective (check appropriate box):

[ ] Immediately  upon filing  pursuant to paragraph  (b) 
[ ] On _______________ pursuant to paragraph (b) 
[ ] 60 days after filing pursuant to paragraph  (a)(1)
[X] On May 16,  1999  pursuant  to  paragraph  (a)(1) 
[ ] 75 days  after  filing pursuant to paragraph (a)(2) 
[ ] On _______________ pursuant to paragraph (a)(2) of Rule 485

If appropriate, check the following box:

[ ]  This  post-effective  amendment  designates  a  new  effective  date  for a
previously filed post-effective amendment.
    

<PAGE>

   
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Centennial Money Market Trust
- ------------------------------------------------------------------------------

Prospectus dated May __, 1999


      Centennial  Money Market Trust is a money market mutual fund.  Its goal is
to seek the maximum  current income that is consistent with low capital risk and
the  maintenance of liquidity.  The Trust invests in "money  market"  securities
meeting specified quality, maturity and diversification  standards. Money market
securities  include U.S. Treasury bills,  commercial paper, bank certificates of
deposit and other  marketable  short-term debt  instruments  (issued by the U.S.
Government or its agencies,  or by  corporations or banks) maturing in or called
for  redemption  in one year or less.  Shares of the Trust are sold at net asset
value without a sales charge.

      This  Prospectus   contains   important   information  about  the  Trust's
objective,  its  investment  policies,  strategies  and risks.  It also contains
important  information  about how to buy and sell  shares of the Trust and other
account  features.  Please read this Prospectus  carefully before you invest and
keep it for future reference about your account.






As with all  mutual  funds,  the  Securities  and  Exchange  Commission  has not
approved or disapproved  the Trust's  securities nor has it determined that this
Prospectus  is  accurate  or  complete.  It is a criminal  offense to  represent
otherwise.


<PAGE>


Contents
            A B O U T  T H E  T R U S T
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            The Trust's Objective and Investment Strategies

            Main Risks of Investing in the Trust

            The Trust's Past Performance

            Fees and Expenses of the Trust

            About the Trust's Investments

            How the Trust is Managed


            A B O U T  Y O U R  A C C O U N T
- ------------------------------------------------------------------------------

            How to Buy Shares

            Special Investor Services

            How to Sell Shares
            By Mail
            By Telephone

            How to Exchange Shares

            Shareholder Account Rules and Policies

            Dividends and Tax Information

            Financial Highlights


<PAGE>



A B O U T  T H E  T R U S T

The Trust's Objective and Investment Strategies
- ------------------------------------------------------------------------------
What Is the Trust's  Investment  Objective?  The Trust's  objective is to seek
the maximum  current  income that is  consistent  with low capital  risk and the
maintenance of liquidity.
- ------------------------------------------------------------------------------

What Does the Trust Invest In? The Trust is a money market fund. It invests in a
variety of  high-quality  money market  securities to seek income.  Money market
securities  are  short-term  debt  instruments  issued  by the U.S.  government,
domestic and foreign corporations and financial institutions and other entities.
They include, for example, bank obligations,  repurchase agreements,  commercial
paper, other corporate debt obligations and government debt obligations.

Who Is the Trust  Designed For? The Trust may be  appropriate  for investors who
want to earn income at current money market rates while  preserving the value of
their investment, because the Trust is managed to keep its share price stable at
$1.00.  Income on short-term  securities tends to be lower than income on longer
term debt  securities,  so the Trust's yield will likely be lower than the yield
on  longer-term  fixed income  funds.  The Trust also offers easy access to your
money  through  wire  redemption  privileges.  The Trust does not invest for the
purpose of seeking capital appreciation or gains.

Main Risks of Investing in the Trust

All  investments  carry  risks  to  some  degree.  Funds  that  invest  in  debt
obligations  for income may be subject to credit risks and interest  rate risks.
However,  the Trust is a money  market fund that seeks  income by  investing  in
short-term debt  securities that must meet strict  standards set by its Board of
Trustees following special rules for money market funds under federal law. These
include  requirements  for  maintaining  high  credit  quality  in  the  Trust's
portfolio,  a short average portfolio  maturity to reduce the effects of changes
in interest rates on the value of the Trust's  securities and  diversifying  the
Trust's  investments among issuers to reduce the effects of a default by any one
issuer on the value of the Trust's shares.

      Even so, there are risks that any of the Trust's  holdings  could have its
credit rating  downgraded,  or the issuer could default,  or that interest rates
could rise sharply,  causing the value of the Trust's  securities (and its share
price) to fall. As a result,  there is a risk that the Trust's shares could fall
below $1.00 per share.

      The Trust's investment manager,  Centennial Asset Management  Corporation,
tries to reduce risks by diversifying  investments and by carefully  researching
securities before they are purchased. However, an investment in the Trust is not
a complete investment program. The rate of the Trust's income will vary from day
to day, generally reflecting changes in overall short-term interest rates. There
is no assurance that the Trust will achieve its investment objective.

An investment  in the Trust is not insured or guaranteed by the Federal  Deposit
Insurance  Corporation or any other government agency.  Although the Trust seeks
to preserve the value of your  investment at $1.00 per share,  it is possible to
lose money by investing in the Trust.

The Trust's Past Performance

The bar chart and table below show how the  Trust's  returns may vary over time,
by showing  changes in the performance for Class A shares of the Trust from year
to year for the last ten  calendar  years and average  annual  total  returns on
Class A shares for the 1-, 5- and 10- year  periods.  Variability  of returns is
one measure of the risks of investing  in a money market fund.  The Trust's past
investment  performance  is not  necessarily an indication of how the Trust will
perform in the future.

Annual Total Returns (Class A) (% as of 12/31 each year)

[See appendix to prospectus for annual total return data for bar chart.]


During the  period  shown in the bar chart,  the  highest  return for a calendar
quarter  was __% (_Q'__)  and the lowest  return for a calendar  quarter was __%
(_Q'__).

- --------------------------------------------------------------------------------
Average Annual Total                           5 Years            10 Years
Returns     for    the                   (or life of class,  (or life of class,
periods                     1 Year            if less)            if less)
ending   December  31,
1998
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Centennial       Money
Market                       ____%              ____%               ____%
Trust (Class A Shares)
- --------------------------------------------------------------------------------

The returns in the table measure the  performance of a hypothetical  account and
assume that all dividends  have been  reinvested in additional  shares.  Class Y
shares were not offered during the year ending  December 31, 1998.  Accordingly,
no performance information is shown on Class Y shares. The total returns are not
the Trust's current yield.  The Trust's yield more closely  reflects the Trust's
current earnings.

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To obtain the Trust's current 7-day yield information,  please call the Transfer
Agent toll-free at 1-800-852-8457.
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Fees and Expenses of the Trust

The Trust pays a variety of  expenses  directly  for  management  of its assets,
administration  and other  services.  Those  expenses  are  subtracted  from the
Trust's  assets to  calculate  the  Trust's  net  asset  value  per  share.  All
shareholders  therefore pay those expenses  indirectly.  Shareholders  pay other
expenses directly, such as account transaction charges. The following tables are
provided to help you understand the fees and expenses you may pay if you buy and
hold Class Y shares of the Trust.  The numbers  below are based upon the Trust's
expenses  for its Class A shares  during  the fiscal  year ended June 30,  1998.
Class Y shares were not offered during the fiscal year ended June 30, 1998.

Shareholder  Fees.  The Trust does not charge any  initial  sales  charge to buy
Class  Y  shares  or to  reinvest  dividends.  There  are no  exchange  fees  or
redemption fees and no contingent deferred sales charges.

Annual Trust Operating Expenses (deducted from Trust assets):
(% of average daily net assets)

 ------------------------------------------------------------------------------
                                             Class A             Class Y
                                              Shares             Shares
 ------------------------------------------------------------------------------
 Management Fees (after waiver)               0.34%               0.34%
 ------------------------------------------------------------------------------
 Service (12b-1) Fees                         0.20%               0.00%
 ------------------------------------------------------------------------------
 Other Expenses                               0.12%               0.03%
 ------------------------------------------------------------------------------
 Total Annual Operating Expenses              0.66%               0.37%
 (after waiver)
 ------------------------------------------------------------------------------
 "Other expenses" in the table include transfer agent fees,  custodial fees, and
accounting  and legal  expenses the Trust pays.  Unlike Class A shares,  Class Y
shares will not incur a service fee.

The Annual  Operating  Expenses  are net of a  voluntary  waiver by the  Trust's
investment manager, Centennial Asset Management Corporation, which was in effect
during a portion of the Trust's  fiscal year ended June 30,  1998.  Without such
waiver,  "Management Fees" and "Total Annual Operating Expenses" would have been
0.36% and 0.68% of average net assets,  respectively.  On November 27, 1997, the
Manager  withdrew  its  voluntary  waiver and  amended its  Investment  Advisory
Agreement with the Trust.

Example.  This  example is intended to help you compare the cost of investing in
the Trust with the cost of investing in other mutual funds.  The example assumes
that you invest  $10,000 in shares of the Trust for the time and  reinvest  your
dividends and distributions. The example also assumes that your investment has a
5% return each year and that the Trust's  expenses  remain the same. Your actual
costs may be higher or lower,  because  expenses  will vary over time.  Based on
these assumptions your expenses would be as follows:

  -----------------------------------------------------------------------------
                                1 year      3 years     5 years    10 years
  -----------------------------------------------------------------------------
  -----------------------------------------------------------------------------
  Class A Shares                $7          $21         $37        $82
  -----------------------------------------------------------------------------
  -----------------------------------------------------------------------------
  Class Y Shares                $           $           $          $
  -----------------------------------------------------------------------------


About the Trust's Investments

The Trust's Principal Investment Policies. In seeking the maximum current income
that is consistent with low capital risk and the  maintenance of liquidity,  the
Trust invests in short-term money market  securities  meeting quality  standards
established  for money  market  funds  under the  Investment  Company  Act.  The
Statement of Additional Information contains more detailed information about the
Trust's investment policies and risks.

      o What  Types of Money  Market  Securities  Does the Trust  Invest In? The
following is a brief  description  of the types of money market  securities  the
Trust may invest in. Money market securities are  high-quality,  short-term debt
instruments that may be issued by the U.S.  government,  corporations,  banks or
other entities. They may have fixed, variable or floating interest rates. All of
the Trust's investments must meet the special quality requirements set under the
Investment Company Act and described briefly below.

         o U.S.  Government  Securities.  These  include  obligations  issued or
guaranteed by the U.S.  Government  or any of its agencies or  instrumentalities
maturing  in twelve  months or less from the date of  purchase.  Some are direct
obligations of the U.S.  Treasury,  such as Treasury bills, notes and bonds, and
are  supported  by the full faith and credit of the  United  States.  Other U.S.
government  securities,   such  as  pass-through   certificates  issued  by  the
Government National Mortgage Association (Ginnie Mae), are also supported by the
full faith and credit of the U.S.  government.  Some  government  securities are
supported by the right of the issuer to borrow from the U.S.  Treasury,  such as
securities of Federal National Mortgage  Corporation (Fannie Mae). Others may be
supported only by the credit of the instrumentality,  such as obligations of the
Federal Home Loan Mortgage Corporation (Freddie Mac).

     o Bank  Obligations.  The Trust may buy  certificates of deposit,  bankers'
acceptances, and other bank obligations. They must be :

     o obligations of a domestic bank having total assets of at least $1 billion
or

     o U.S.  dollar-denominated  obligations of a foreign bank with total assets
of at least U.S. $1 billion.
No more than 25% of the Trust's assets will be invested in securities  issued by
foreign banks.  That limitation  does not apply to securities  issued by foreign
branches of U.S. banks.

     o Commercial Paper. Commercial paper is a short-term,  unsecured promissory
note of a  domestic  or  foreign  company.  The Trust may buy  commercial  paper
maturing in nine  months or less from the date of purchase  only if it meets the
Trust's quality standards, described below.

     o Corporate Obligations. The Trust may invest in other short-term corporate
debt obligations,  besides commercial paper, that at the time of purchase by the
Trust meet the Trust's quality standards, described below.

     o Other  Money  Market  Obligations.  The Trust may invest in money  market
obligations  other than those  listed  above if they are  subject to  repurchase
agreements  calling for delivery in twelve  months or less or  guaranteed  as to
their principal and interest by the U.S.  Government or one of its agencies,  or
by bank or a corporation  whose  commercial paper may be purchased by the Trust.
The  guaranteed  obligations  must be due within  twelve months or less from the
date of purchase.

      Additionally,  the Trust may buy other money market  instruments  that its
Board  of   Trustees   approves   from   time  to  time.   They   must  be  U.S.
dollar-denominated  short-term investments that the Board must determine to have
minimal  credit  risks.  They also must be of "high  quality" as determined by a
national  rating  organization.  The  Trust  may buy an  unrated  security  that
otherwise meets those qualifications.

      o What  Credit  Quality  and  Maturity  Standards  Apply  to  the  Trust's
Investments?  Debt instruments,  including money market instruments, are subject
to credit  risk,  the risk that the issuer  might not make  timely  payments  of
interest on the  security or repay  principal  when it is due. The Trust may buy
only those securities that meet standards set in the Investment  Company Act for
money market funds.  For example,  the Trust must maintain an average  portfolio
maturity of not more than 90 days. Some of the Trust's  investment  restrictions
are more  restrictive  than the standards  that apply to all money market funds.
For example,  as a matter of fundamental policy, the Trust may not invest in any
debt  instrument  having a  maturity  in excess of one year from the date of the
investment.  The Board of Trustees has adopted procedures to evaluate securities
for the Trust's  portfolio and the Manager has the  responsibility  to implement
those procedures when selecting investments for the Trust.

      In general,  those  procedures  require that securities be rated in one of
the  two  highest   short-term   rating   categories  of  two  national   rating
organizations. At least 95% of the Trust's assets must be invested in securities
of issuers with the highest credit rating. No more than 5% of the Trust's assets
can be invested in securities  with the second highest  credit  rating.  In some
cases, the Trust can buy securities rated by one rating  organization or unrated
securities  that the  Manager  judges to be  comparable  in  quality  to the two
highest rating categories.

      The  procedures  also limit the amount of the  Trust's  assets that can be
invested in the  securities of any one issuer  (other than the U.S.  government,
its agencies and instrumentalities), to spread the Trust's investment risks.

      o Can the Trust's  Investment  Objective and Policies Change?  The Trust's
Trustees  may change  non-fundamental  policies  without  shareholder  approval,
although significant changes will be described in amendments to this Prospectus.
Fundamental  policies are those that cannot be changed without the approval of a
majority of the  Trust's  outstanding  voting  shares.  The  Trust's  investment
objective  is  a  fundamental   policy.  The  Trust's  investment  policies  and
techniques  are not  fundamental  unless this  Prospectus  or the  Statement  of
Additional Information says that a particular policy is fundamental.

Other Investment Strategies.  To seek its objective,  the Trust may also use the
investment  techniques and strategies  described below. These techniques involve
certain risks. The Statement of Additional Information contains more information
about  some of these  practices,  including  limitations  on their  use that are
designed to reduce some of the risks.

      o  Asset-Backed   Securities.   The  Trust  may  invest  in   asset-backed
securities.  These are fractional interests in pools of consumer loans and other
trade receivables.  They are backed by a pool of assets,  such as credit card or
auto loan  receivables,  which  are the  obligations  of a number  of  different
parties. The income from the underlying pool is passed through to holders,  such
as the Trust.

      These securities are frequently supported by a credit enhancement, such as
a letter of credit a  guarantee  or a  preference  right.  However,  the  credit
enhancement generally applies only to a fraction of the security's value. If the
issuer of the security has no security interest in the related collateral, there
is the risk that the Trust could lose money if the issuer defaults.

      o  Floating  Rate/Variable  Rate  Notes.  Some of the  notes the Trust may
purchase  may have  variable  or floating  interest  rates.  Variable  rates are
adjustable at stated periodic intervals of no more than one year. Floating rates
are  automatically  adjusted  according  to a  specified  market  rate  for such
investments,  such as the prime rate of a bank, or the 90 day U.S. Treasury bill
rate. The Trust may purchase these obligations if they have a remaining maturity
of one year or less;  if their  maturity is greater  than one year,  they may be
purchased if the Trust is able to recover the principal amount of the underlying
security at specified  intervals not exceeding one year and upon no more than 30
days' notice. Such obligations may be secured by bank letters of credit or other
credit support arrangements which guarantees payment.

      o Repurchase  Agreements.  The Trust may enter into repurchase agreements.
In a repurchase transaction,  the Trust buys a security and simultaneously sells
it to the vendor for delivery at a future date.  Repurchase  agreements  must be
fully  collateralized.  However,  if the vendor fails to pay the resale price on
the delivery  date, the Trust may incur costs in disposing of the collateral and
may  experience  losses if there is any delay in its ability to do so. The Trust
will not enter into repurchase transactions that will cause more than 10% of the
Trusts  net  assets to be subject  to  repurchase  agreements  having a maturity
beyond  seven  days.  There is no limit on the amount of the  Trust's net assets
that may be subject to repurchase agreements maturing in seven days or less.

      o Illiquid and Restricted Securities.  Investments may be illiquid because
of the absence of an active trading market, making it difficult to value them or
dispose of them promptly at an acceptable price.  Restricted securities may have
a  contractual  limit  on  resale  or may  require  registration  under  federal
securities laws before they can be sold publicly. The Trust will not invest more
than  10% of  its  net  assets  in  illiquid  securities,  including  repurchase
agreements of more than seven days' duration and other  securities  that are not
readily marketable.  That limit does not apply to certain restricted  securities
that are eligible for resale to qualified institutional  purchasers or purchases
of  commercial  paper that may be sold  without  registration  under the Federal
securities  laws. The Trust may invest up to 25% of its net assets in restricted
securities,  subject  to the 10%  limit  on  illiquid  securities.  The  Manager
monitors  holdings  of  illiquid  securities  on an ongoing  basis to  determine
whether to sell any  holdings  to maintain  adequate  liquidity.  Difficulty  in
selling a security may result in a loss to the Trust or additional costs.

Year 2000 Risks.  Because  many  computer  software  systems in use today cannot
distinguish  the year 2000 from the year 1900,  the  markets for  securities  in
which the Trust invests  could be  detrimentally  affected by computer  failures
beginning  January 1, 2000.  Failure of  computer  systems  used for  securities
trading  could result in  settlement  and  liquidity  problems for the Trust and
other  investors.  That  failure  could  have  a  negative  impact  on  handling
securities trades,  pricing and accounting  services.  Data processing errors by
government  issuers of securities  could result in economic  uncertainties,  and
those issuers may incur  substantial  costs in attempting to prevent or fix such
errors, all of which could have a negative effect on the Trust's investments and
returns.

      The Manager,  the  Distributor and the Transfer Agent have been working on
necessary  changes  to their  computer  systems  to deal  with the year 2000 and
expect that their systems will be adapted in time for that event, although there
cannot be assurance of success.  Additionally,  the services they provide depend
on the interaction of their computer systems with those of brokers,  information
services, the Trust's Custodian and other parties. Therefore, any failure of the
computer  systems  of those  parties  to deal with the year 2000 may also have a
negative  effect on the services  they provide to the Trust.  The extent of that
risk cannot be ascertained at this time.

How the Trust is Managed

The Manager.  The Trust's  investment  adviser is  Centennial  Asset  Management
Corporation.  The Manager is responsible  for selecting the Trust's  investments
and handles its day-to-day business. The Manager carries out its duties, subject
to the  policies  established  by the  Board of  Trustees,  under an  Investment
Advisory  Agreement which states the Manager's  responsibilities.  The Agreement
sets forth the fees paid by the Trust to the Manager and  describes the expenses
that the Trust is responsible to pay to conduct its business.

      The Manager,  a  wholly-owned  subsidiary of  OppenheimerFunds,  Inc., has
operated as an  investment  advisor since 1978.  The Manager and its  affiliates
currently advise investment companies with assets of more than $95 billion as of
December  31,  1998,  and with  more than 4 million  shareholder  accounts.  The
Manager is located at 6803 South Tucson Way, Englewood, CO 80112.

      o Portfolio Managers. Carol E. Wolf and Arthur J. Zimmer are the portfolio
managers of the Trust.  They are the  persons  principally  responsible  for the
day-to-day  management  of  the  Trust's  portfolio.   Ms.  Wolf  has  had  this
responsibility since October 1990 and Mr. Zimmer since January 1991. Ms. Wolf is
a Vice  President  and Mr. Zimmer a Senior Vice  President of  OppenheimerFunds,
Inc.,  and each is an officer  and  portfolio  manager of other  funds for which
OppenheimerFunds, Inc. or the Manager serves as investment advisor.

     o Advisory Fees. Under the Investment  Advisory  Agreement,  the Trust pays
the Manager an advisory fee at an annual rate that declines on additional assets
as the Trust grows:  0.500% of the first $250  million of net assets;  0.475% of
the next $250  million  of net  assets;  0.450% of the next $250  million of net
assets;  0.425% of the next $250 million of net assets;  0.400% of the next $250
million of net assets;  0.375% of the next $250 million of net assets; 0.350% of
the next $500  million of net  assets;  and 0.325% of net assets in excess of $2
billion.  Furthermore,  the Manager  guarantees  that the total  expenses of the
Trust  in  any  fiscal  year,   exclusive  of  taxes,   interest  and  brokerage
commissions,  and  extraordinary  expenses such as litigation  costs,  shall not
exceed,  and the Manager  undertakes to pay or refund to the Trust any amount by
which such expenses  shall exceed,  the lesser of (i) 1.5% of the average annual
net  assets of the Trust up to $30  million  and 1% of its  average  annual  net
assets in excess of $30 million;  or (ii) 25% of total annual  investment income
of the Trust. The Trust's management fee for the fiscal year ended June 30, 1998
was 0.34% of the Trust's average annual net assets.


<PAGE>

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A B O U T  Y O U R  A C C O U N T
- ------------------------------------------------------------------------------

How to Buy Shares

How Are Shares  Purchased?  You can buy shares  directly  through  your  dealer,
broker or  financial  institution  that has a sales  agreement  with the Trust's
Distributor.  The Distributor,  in its sole discretion,  may reject any purchase
order for the Trust's shares.

      The Trust  intends to be as fully  invested as  possible  to maximize  its
yield. Therefore, newly-purchased shares normally will begin to accrue dividends
after the Distributor accepts your purchase order,  starting on the business day
after the Trust receives Federal Funds from your purchase payment.

n  Buying  Shares   Through   Automatic   Purchase  and   Redemption   Programs.
Broker-dealers  whose clients  participate in Automatic  Purchase and Redemption
Programs  will  establish  Program  Accounts  for those  clients.  If you have a
Program  Account  and you have  selected  the Trust as the  primary  fund,  your
broker-dealer will invest "free cash balances" in your Program Account in shares
of the  Trust.  These  purchases  will  be made in  accordance  with  procedures
described in "Guaranteed  Payment"  below.  The Program Account may have minimum
investment  requirements  established by the broker-dealer.  All questions about
your  Automatic  Purchase  and  Redemption  Program  should be  directed to your
broker-dealer.

         |_|  Guaranteed  Payment  Procedures.   Some  broker-dealers  may  have
arrangements  with the  Distributor to enable them to place purchase  orders for
shares and to guarantee  that the Trust's  custodian  bank will receive  Federal
Funds to pay for the shares prior to specified  times.  These  arrangements  may
include  those  with  broker-dealers  whose  clients  participate  in  Automatic
Purchase and Redemption Programs.

            o If an order for the  purchase  of Trust  shares is received by the
Distributor   prior  to  12:00  Noon  on  a  regular   business   day  with  the
broker-dealer's  guarantee that the Trust's  custodian will receive  payment for
those  shares in Federal  Funds by 2:00 P.M. on the same day,  the order will be
effected  at the net asset value  determined  at 12:00 Noon and  dividends  will
begin to accrue on the shares on that day if the Federal  Funds are  received by
the required time.

            o If an order for the  purchase  of Trust  shares is received by the
Distributor after 12:00 Noon on a regular business day with the  broker-dealer's
guarantee that the Trust's  custodian  will receive  payment for those shares in
Federal  Funds by 2:00 P.M. on the day the order is received,  the order will be
effected at the net asset value  determined  at 4:00 P.M that day and  dividends
will begin to accrue on the shares  purchased  on that day if the Federal  Funds
are received by the required time.

            o If an order for the  purchase  of Trust  shares is received by the
Distributor  between 12:00 Noon and 4:00 P.M. on a regular business day with the
broker-dealer's  guarantee that the Trust's  custodian will receive  payment for
those shares in Federal Funds by 4:00 P.M. on the day the order is received, the
order  will be  effected  at the net asset  value  determined  at 4:00 P.M.  and
dividends  will  begin to  accrue  on the  shares  purchased  on that day if the
Federal Funds are received by the required time.

How Much Must You Invest? You can open account with a minimum initial investment
of $10 million  and make  additional  investments  at any time with as little as
$____.  The  minimum  investment  requirement  does  not  apply  to  reinvesting
dividends from the Trust.

At What Price Are Shares Sold? Shares are sold at their offering price, which is
the net asset value per share without any sales charge.  The net asset value per
share  will  normally  remain  fixed at $1.00 per  share.  However,  there is no
guarantee  that the Trust will  maintain  a stable net asset  value of $1.00 per
share.

      The offering  price that applies to a purchase  order is based on the next
calculation of the net asset value per share that is made after the  Distributor
receives the  purchase  order at its offices in Denver,  Colorado,  or after any
agent  appointed  by the  Distributor  receives  the  order  and sends it to the
Distributor.

      o The net asset value of the Trust's  shares is  determined  twice on each
day The New  York  Stock  Exchange  is open  for  trading  (referred  to in this
Prospectus  as a  "regular  business  day") at 12:00  Noon and at 4:00 P.M.  All
references to time in this Prospectus mean "New York time".

      The net asset value per share is  determined  by dividing the value of the
Trust's net assets by the number of shares that are outstanding.  Under a policy
adopted by the  Trust's  Board of  Trustees  the Trust uses the  amortized  cost
method to value its securities to determine net asset value.

      o To receive the offering  price for a  particular  day, in most cases the
Distributor  or its  designated  agent must receive your order by 4:00 P.M. that
day.  If your order is  received  on a day when the  Exchange is closed or after
4:00 P.M. on a regular  business  day, the order will receive the next  offering
price that is determined after your order is received.

      o If you buy shares  through a dealer,  your dealer must receive the order
by 4:00 P.M. and transmit it to the  Distributor  so that it is received  before
the  Distributor's  close of business on a regular  business day (normally  5:00
P.M.) to receive that day's offering  price.  Otherwise,  the order will receive
the next offering price that is determined.

- ------------------------------------------------------------------------------
What Classes of Shares Does the Trust Offer?  The Trust offers  investors  two
different  classes of shares,  Class A and Class Y. The  different  classes of
shares  represent  investments in the same  portfolio of  securities,  but the
classes  are subject to  different  expenses  and will  likely have  different
share prices. The Trust's Class A Shares are offered by a separate  prospectus
dated  October 30, 1998, as  supplemented  on ____,  1999.  Class Y shares are
offered only to certain institutional investors who have special agreements with
the Distributor.
- ------------------------------------------------------------------------------

Who Can Buy Class Y  Shares?  Class Y shares  are sold at net asset  value per
share without sales charge  directly to certain  institutional  investors that
have special  agreements  with the  Distributor  for this purpose.  Individual
investors cannot buy Class Y shares directly.

      An  institutional  investor  that buys Class Y shares  for its  customers'
accounts  may impose  charges on those  accounts.  The  procedures  for  buying,
selling,  exchanging and transferring the Fund's other classes of shares and the
special account  features  available to investors  buying those other classes of
shares do not  apply to Class Y  shares.  An  exception  is that the time  those
orders  must be  received by the  Distributor  or its agents or by the  Transfer
Agent is the same for Class y as for other  share  classes.  Those  instructions
must be submitted by the institutional  investor, not by its customers for whose
benefit the share are held.

How to Sell Shares

You can sell  (redeem)  some or all of your shares on any regular  business day.
Your shares will be sold at the next net asset value calculated after your order
is received in proper form (which means that it must comply with the  procedures
described below) and is accepted by the Transfer Agent.

If you participate in an Automatic  Purchase and Redemption Program sponsored by
your  broker-dealer,  you may  redeem  shares  held in your  Program  Account by
contacting  your  broker  or  dealer.   You  may  also  arrange  for  "Expedited
Redemptions"  as  described  below  through  your broker or dealer.  If you have
questions  about any of these  procedures,  and  especially if you are redeeming
shares in a special  situation,  such as due to the death of the owner or from a
retirement plan account, please call the Transfer Agent for assistance first, at
1-800-525-9310.

      o Certain Requests Require a Signature  Guarantee.  To protect you and the
Trust from fraud, the following  redemption requests must be in writing and must
include a signature  guarantee (although there may be other situations that also
require a signature guarantee):
      o You wish to redeem  $50,000 or more and receive a check o The redemption
      check is not payable to all shareholders listed on
the account statement
      o  The  redemption  check is not sent to the  address  of record on your
account statement
      o  Shares  are being  transferred  to a Fund  account  with a  different
owner or name
      o  Shares are being  redeemed  by someone  (such as an  Executor)  other
than the owners

      o Where Can I Have My Signature Guaranteed? The Transfer Agent will accept
a guarantee of your signature by a number of financial institutions,  including:
a U.S. bank, trust company, credit union or savings association, or by a foreign
bank  that has a U.S.  correspondent  bank,  or by a U.S.  registered  dealer or
broker in securities,  municipal  securities or government  securities,  or by a
U.S. national  securities  exchange,  a registered  securities  association or a
clearing agency.  If you are signing on behalf of a corporation,  partnership or
other  business  or as a  fiduciary,  you must also  include  your  title in the
signature.

      o Sending Redemption Proceeds by Wire. While the Trust normally sends your
money by check, you can arrange to have the proceeds of the shares you sell sent
by Federal Funds wire to a bank account you  designate.  It must be a commercial
bank that is a member of the Federal Reserve wire system. The minimum redemption
you can have sent by wire is $2,500.  There is a $10 fee for each wire.  To find
out how to set up this  feature on your  account or to arrange a wire,  call the
Transfer Agent at 1-800-525-9310.

How   Do I Sell Shares by Mail? Write a "letter of instructions"  that includes:
      o Your name o The  Trust's  name o Your Trust  account  number  (from your
      account  statement) o The dollar amount or number of shares to be redeemed
      o Any special payment instructions o Any share certificates for the shares
      you are selling o The signatures of all  registered  owners exactly as the
      account is
registered, and
      o Any special  documents  requested by the Transfer Agent to assure proper
      authorization of the person asking to sell the shares.

- ------------------------------------------------------------------------------
Use the following address for requests by mail:
- ------------------------------------------------------------------------------
Shareholder Services, Inc.
P.O. Box 5143
Denver, Colorado 80217-5270

- ------------------------------------------------------------------------------
Send courier or express mail requests to:
- ------------------------------------------------------------------------------
Shareholder Services, Inc.
10200 E. Girard Avenue, Building D
Denver, Colorado 80231

How Do I Sell Shares by Telephone?  To receive the redemption price on a regular
business  day, the Transfer  Agent must receive the request by 4:00 P.M. on that
day. You may not redeem shares held under a share  certificate by telephone.  To
redeem shares through a service representative, call 1-800-852-8457. Proceeds of
telephone  redemptions  will be paid by check payable to the  shareholder(s)  of
record and will be sent to the address of record for the account.  Up to $50,000
may be redeemed by telephone in any 7-day  period.  The check must be payable to
all  owners of  record  of the  shares  and must be sent to the  address  on the
account statement.  This service is not available within 30 days of changing the
address on an account.

Can I Sell Shares Through My Dealer?  The Distributor  has made  arrangements to
repurchase  Trust shares from dealers and brokers on behalf of their  customers.
Brokers or dealers may charge for that  service.  If your shares are held in the
name of your dealer, you must redeem them through your dealer.

Will I Pay a Sales Charge When I Sell My Shares? The Trust does not charge a fee
when you redeem  Class Y shares of this Trust  that you  bought  directly  or by
reinvesting dividends or distributions from the Trust.

Shareholder Account Rules and Policies

More  information  about the  Trust's  policies  and  procedures  for buying and
selling shares is contained in the Statement of Additional Information.

      o The offering of shares may be  suspended  during any period in which the
determination of net asset value is suspended, and the offering may be suspended
by the Board of  Trustees  at any time they  believe it is in the  Trust's  best
interest to do so.

      o Telephone  Transaction  Privileges for purchases and  redemptions may be
modified,  suspended or  terminated  by the Trust at any time. If an account has
more  than  one  owner,  the  Trust  and  the  Transfer  Agent  may  rely on the
instructions of any one owner.  Telephone  privileges apply to each owner of the
account  and the  dealer  representative  of record for the  account  unless the
Transfer Agent receives cancellation instructions from an owner of the account.

     o The  Transfer  Agent  will  record  any  telephone  calls to verify  data
concerning  transactions  and has  adopted  other  procedures  to  confirm  that
telephone  instructions  are  genuine,  by  requiring  callers  to  provide  tax
identification  numbers  and  other  account  data  or by  using  PINs,  and  by
confirming such  transactions in writing.  The Transfer Agent and the Trust will
not be liable for  losses or  expenses  arising  out of  telephone  instructions
reasonably believed to be genuine.

     o Redemption  or transfer  requests  will not be honored until the Transfer
Agent  receives all required  documents in proper form.  From time to time,  the
Transfer  Agent in its  discretion  may waive  certain of the  requirements  for
redemptions stated in this Prospectus.

      o Dealers  that can  perform  account  transactions  for their  clients by
participating in NETWORKING through the National Securities Clearing Corporation
are  responsible  for  obtaining  their  clients'  permission  to perform  those
transactions,  and are responsible to their clients who are  shareholders of the
Trust if the dealer performs any transaction erroneously or improperly.

      o Payment for redeemed shares  ordinarily is made in cash. It is forwarded
by check or by Federal Funds wire (as elected by the  shareholder)  within seven
days after the Transfer Agent receives  redemption  instructions in proper form.
However,  under unusual circumstances  determined by the Securities and Exchange
Commission,  payment may be delayed or suspended. For accounts registered in the
name of a  broker-dealer,  payment  will  normally  be  forwarded  within  three
business days after redemption.

      o The Transfer Agent may delay  forwarding a check or processing a payment
via  Federal  Funds  wire for  recently  purchased  shares,  but only  until the
purchase payment has cleared. That delay may be as much as 10 days from the date
the shares were  purchased.  That delay may be avoided if you purchase shares by
Federal  Funds wire or  certified  check,  or arrange  with your bank to provide
telephone or written  assurance to the Transfer Agent that your purchase payment
has cleared.

      o To avoid sending duplicate copies of materials to households,  the Trust
will mail only one copy of each annual and  semi-annual  report to  shareholders
having the same last name and  address on the  Trust's  records.  However,  each
shareholder may call the Transfer Agent at  1-800-525-7048 to ask that copies of
those materials be sent personally to that shareholder.

Dividends and Tax Information

Dividends.  The Trust intends to declare  dividends from net  investment  income
each regular business day and to pay those dividends to shareholders  monthly on
a date selected by the Board of Trustees. To maintain a net asset value of $1.00
per share, the Trust might withhold dividends or make distributions from capital
or  capital  gains.  Daily  dividends  will  not be  declared  or paid on  newly
purchased  shares  until  Federal  Funds are  available  to the  Trust  from the
purchase payment for such shares.

Capital Gains. The Trust normally holds its securities to maturity and therefore
will not usually pay capital  gains.  Although  the Trust does not seek  capital
gains, it could realize capital gains on the sale of portfolio securities. If it
does, it may make  distributions  out of any net short-term or long-term capital
gains in December of each year. The Trust may make supplemental distributions of
dividends and capital gains following the end of its fiscal year.

If you participate in an Automatic  Purchase and Redemption Program sponsored by
your broker-dealer, all dividends will be automatically reinvested in additional
shares of the Trust.  Under the terms of the Automatic  Purchase and  Redemption
Program,  your  broker-dealer  can pay redeem shares to satisfy  debit  balances
arising  in your  Program  Account.  If that  occurs,  you will be  entitled  to
dividends on those shares only up to and including the date of such redemption.

Taxes.  If your shares are not held in a tax-deferred  retirement  account,  you
should be aware of the  following  tax  implications  of  investing in the Fund.
Dividends  paid from net  investment  income and  short-term  capital  gains are
taxable as ordinary  income.  Long-term  capital  gains are taxable as long-term
capital gains when distributed to shareholders,  and may be taxable at different
rates  depending  on how long the Fund holds the  asset.  It does not matter how
long you have held your  shares.  Whether you  reinvest  your  distributions  in
additional shares or take them in cash, the tax treatment is the same.

      Every  year the Fund will  send you and the IRS a  statement  showing  the
amount of each  taxable  distribution  you received in the  previous  year.  Any
long-term capital gains  distributions will be separately  identified in the tax
information the Fund sends you after the end of the calendar year.

      o Remember There May be Taxes on  Transactions.  Because the Fund seeks to
maintain a stable $1.00 per share net asset value,  it is unlikely that you will
have a capital  gain or loss when you sell or exchange  your  shares.  A capital
gain or loss is the difference between the price you paid for the shares and the
price you  received  when you sold them.  Any capital gain is subject to capital
gains tax.

      o Returns of Capital Can Occur.  In certain cases,  distributions  made by
the Fund may be considered a non-taxable  return of capital to shareholders.  If
that occurs, it will be identified in notices to shareholders.

      This  information  is only a summary of certain  federal  tax  information
about your investment. You should consult with your tax adviser about the effect
of an investment in the Fund on your particular tax situation.


<PAGE>


Financial Highlights

The Financial  Highlights  Table is presented to help you understand the Trust's
financial  performance for the past fiscal 5 years. Certain information reflects
financial  results  for a single  Trust  share.  The total  returns in the table
represent the rate that an investor would have earned [or lost] on an investment
in the Trust (assuming  reinvestment of all dividends and  distributions).  This
information  has been audited by Deloitte & Touche LLP, the Trust's  independent
auditors, whose report, along with the Trust's financial statements, is included
in the Statement of Additional Information, which is available on request.


<PAGE>

For More Information About Centennial Money Market Trust:

The following additional information about the Trust is available without charge
upon request:

Statement of Additional Information
This  document  includes  additional  information  about the Trust's  investment
policies,  risks,  and  operations.  It is  incorporated  by reference into this
Prospectus (which means it is legally part of this Prospectus).

Annual and Semi-Annual Reports
Additional   information  about  the  Trust's  investments  and  performance  is
available in the Trust's Annual and  Semi-Annual  Reports to  shareholders.  The
Annual  Report  includes  a  discussion  of  market  conditions  and  investment
strategies that significantly  affected the Trust's  performance during its last
fiscal year.

How to Get More Information:

You can  request  the  Statement  of  Additional  Information,  the  Annual  and
Semi-Annual Reports, and other information about the Trust or your account:

By Telephone:
Call Shareholder Services, Inc. toll-free:
1-800-525-9310

By Mail:
Write to:
Shareholder Services, Inc.
P.O. Box 5143
Denver, Colorado 80217

You can also obtain copies of the Statement of Additional  Information and other
Fund  documents  and  reports by visiting  the SEC's  Public  Reference  Room in
Washington,  D.C.  (Phone  1-800-SEC-0330)  or the  SEC's  Internet  web site at
http://www.sec.gov.  Copies may be obtained upon payment of a duplicating fee by
writing to the SEC's Public Reference Section, Washington, D.C. 20549-6009.

No one has been authorized to provide any information  about the Fund or to make
any  representations  about  the  Fund  other  than  what is  contained  in this
Prospectus.  This  Prospectus is not an offer to sell shares of the Fund,  nor a
solicitation  of an offer to buy shares of the Fund,  to any person in any state
or other jurisdiction where it is unlawful to make such an offer.

                                        The Trust's shares are distributed by:
SEC File No. 811-5051                   (logo)OppenheimerFunds
Distributor, Inc.
PR0150.001.0599  Printed on recycled paper
    


<PAGE>

   
- ------------------------------------------------------------------------------
Centennial Money Market Trust
- ------------------------------------------------------------------------------

6803 South Tucson Way, Englewood, Colorado 80112
1-800-525-9310

Statement of Additional Information dated May __, 1999

      This  Statement  of  Additional  Information  is  not a  Prospectus.  This
document  contains  additional  information  about  the  Trust  and  supplements
information  in the  Prospectus  dated May __, 1999.  It should be read together
with the  Prospectus,  which may be obtained by writing to the Trust's  Transfer
Agent,  Shareholder Services, Inc., at P.O. Box 5143, Denver, Colorado 80217, or
by calling the Transfer Agent at the toll-free number shown above.

Contents

                                                                           Page
About the Trust
Additional Information about the Trust's Investment Policies and Risks........
     The Trust's Investment Policies..........................................
     Other Investment Strategies..............................................
     Investment Restrictions..................................................
How the Trust is Managed......................................................
     Organization and History.................................................
Trustees and Officers of the Trust............................................
     The Manager..............................................................
Performance of the Trust......................................................

About Your Account
How To Buy Shares.............................................................
How To Sell Shares............................................................
Dividends and Taxes...........................................................
Additional Information About the Trust........................................

Financial Information About the Trust
Independent Auditors' Report..................................................
Financial Statements..........................................................

Appendix A: Securities Ratings.............................................A-1
Appendix B: Industry Classifications.......................................B-1
Appendix C: Automatic Withdrawal Plan Provision............................C-1



<PAGE>

- ------------------------------------------------------------------------------
A B O U T  T H E  T R U S T
- ------------------------------------------------------------------------------

Additional Information About the Trust's Investment Policies and Risks

The investment  objective and the principal investment policies of the Trust are
described in the Prospectus.  This Statement of Additional  Information contains
supplemental  information  about those policies and the types of securities that
the Trust's investment manager,  Centennial Asset Management  Corporation,  will
select  for the  Trust.  Additional  explanations  are also  provided  about the
strategies the Trust may use to try to achieve its objective.

The Trust's  Investment  Policies.  The Trust's objective is to seek the maximum
current income that is consistent  with low capital risk and the  maintenance of
liquidity.  The Trust will not make  investments  with the  objective of seeking
capital  growth.  However,  the value of the securities held by the Trust may be
affected by changes in general interest rates. Because the current value of debt
securities  varies  inversely  with changes in  prevailing  interest  rates,  if
interest  rates  increase  after a security is purchased,  that  security  would
normally  decline in value.  Conversely,  if  interest  rates  decrease  after a
security is purchased,  its value would rise.  However,  those  fluctuations  in
value will not generally  result in realized  gains or losses to the Trust since
the Trust  does not  usually  intend to  dispose  of  securities  prior to their
maturity.  A debt  security held to maturity is redeemable by its issuer at full
principal value plus accrued interest.

      The Trust may sell securities prior to their maturity,  to attempt to take
advantage  of  short-term  market  variations,  or because  of a revised  credit
evaluation  of the issuer or other  considerations.  The Trust may also do so to
generate cash to satisfy  redemptions of Trust shares.  In such cases, the Trust
may realize a capital gain or loss on the security.

      |X|  Ratings  of   Securities   --   Portfolio   Quality,   Maturity   and
Diversification.  Under Rule 2a-7 of the Investment  Company Act, the Trust uses
the  amortized  cost method to value its  portfolio  securities to determine the
Trust's net asset  value per share.  Rule 2a-7  places  restrictions  on a money
market fund's  investments.  Under that Rule,  the Trust may purchase only those
securities that the Manager,  under  Board-approved  procedures,  has determined
have minimal credit risks and are "Eligible Securities." The rating restrictions
described in the Prospectus and this Statement of Additional  Information do not
apply to banks in which the Trust's cash is kept.

      An  "Eligible  Security"  is one  that  has  been  rated in one of the two
highest   short-term  rating   categories  by  any  two   "nationally-recognized
statistical  rating  organizations."  That term is defined in Rule 2a-7 and they
are  referred  to as "Rating  Organizations"  in this  Statement  of  Additional
Information.  If only one Rating  Organization has rated that security,  it must
have been  rated in one of the two  highest  rating  categories  by that  Rating
Organization.  An  unrated  security  that is  judged  by the  Manager  to be of
comparable quality to Eligible Securities rated by Rating Organizations may also
be an "Eligible Security."

      Rule  2a-7  permits  the Trust to  purchase  any  number  of  "First  Tier
Securities."  These are Eligible  Securities that have been rated in the highest
rating  category  for  short-term  debt  obligations  by  at  least  two  Rating
Organizations.  If only one Rating Organization has rated a particular security,
it  must  have  been  rated  in the  highest  rating  category  by  that  Rating
Organization. Comparable unrated securities may also be First Tier Securities.

      Under Rule 2a-7, the Trust may invest only up to 5% of its total assets in
"Second Tier Securities." Those are Eligible Securities that are not "First Tier
Securities." In addition, the Trust may not invest more than:
      |_| 5% of its total assets in the securities of any one issuer (other than
      the U.S. Government,  its agencies or  instrumentalities) or 
     |_| 1% of its total assets or $1 million  (whichever  is greater) in Second
Tier Securities of any one issuer.

      Under  Rule  2a-7,  the Trust  must  maintain  a  dollar-weighted  average
portfolio  maturity  of not more than 90 days,  and the  maturity  of any single
portfolio  investment  may not exceed  397 days.  Some of the  Trust's  existing
investment  restrictions  are more restrictive than the provisions of Rule 2a-7.
For example,  as a matter of fundamental policy, the Trust may not invest in any
debt  instrument  having a  maturity  in excess of one year from the date of the
investment.  The Board  regularly  reviews  reports from the Manager to show the
Manager's compliance with the Trust's procedures and with the Rule.

      If a  security's  rating is  downgraded,  the Manager  and/or the Board of
Trustees may have to reassess  the  security's  credit  risk.  If a security has
ceased to be a First Tier Security,  the Manager will promptly  reassess whether
the security  continues to present  minimal credit risk. If the Manager  becomes
aware that any Rating  Organization  has  downgraded its rating of a Second Tier
Security or rated an unrated  security below its second highest rating category,
the Trust's  Board of Trustees  shall  promptly  reassess  whether the  security
presents  minimal  credit  risk and whether it is in the best  interests  of the
Trust to dispose of it. If the Trust  disposes of the security  within five days
of the Manager learning of the downgrade,  the Manager will provide the Board of
Trustees with subsequent notice of such downgrade.  If a security is in default,
or ceases to be an  Eligible  Security,  or is  determined  no longer to present
minimal credit risks,  the Board of Trustees must determine  whether it would be
in the best interests of the Trust to dispose of the security.

      The Rating  Organizations  currently  designated as  nationally-recognized
statistical rating  organizations by the Securities and Exchange  Commission are
Standard & Poor's  Corporation,  Moody's  Investors  Service,  Inc., Fitch IBCA,
Inc.,  Duff and Phelps,  Inc., and Thomson  BankWatch,  Inc.  Appendix A to this
Statement  of  Additional   Information  contains  descriptions  of  the  rating
categories of those Rating  Organizations.  Ratings at the time of purchase will
determine  whether  securities may be acquired under the restrictions  described
above.

      |X|   U.S.  Government   Securities.   U.S.  Government  Securities  are
obligations  issued or  guaranteed  by the U.S.  Government or its agencies or
instrumentalities.  They include  Treasury Bills (which mature within one year
of the date they are issued) and  Treasury  Notes and Bonds  (which are issued
with  longer  maturities).  All  Treasury  securities  are  backed by the full
faith and credit of the United States.

      U.S.  Government  agencies and  instrumentalities  that issue or guarantee
securities include, but are not limited to, the Federal Housing  Administration,
Farmers Home  Administration,  Export-Import  Bank of the United  States,  Small
Business  Administration,  Government  National  Mortgage  Association,  General
Services Administration, Bank for Cooperatives, Federal Home Loan Banks, Federal
Home Loan Mortgage Corporation,  Federal Intermediate Credit Banks, Federal Land
Banks, Maritime Administration,  the Tennessee Valley Authority and the District
of Columbia Armory Board.

      Securities   issued  or  guaranteed  by  U.S.   Government   agencies  and
instrumentalities  are not  always  backed by the full  faith and  credit of the
United States.  Some, such as securities issued by the Federal National Mortgage
Association   ("Fannie  Mae"),  are  backed  by  the  right  of  the  agency  or
instrumentality to borrow from the Treasury.  Others,  such as securities issued
by the Federal Home Loan Mortgage  Corporation  ("Freddie  Mac"),  are supported
only  by the  credit  of the  instrumentality  and not by the  Treasury.  If the
securities are not backed by the full faith and credit of the United States, the
purchaser  must look  principally  to the  agency  issuing  the  obligation  for
repayment and may not be able to assert a claim against the United States if the
issuing agency or instrumentality  does not meet its commitment.  The Trust will
invest in U.S. Government Securities of such agencies and instrumentalities only
when the  Manager  is  satisfied  that the  credit  risk  with  respect  to such
instrumentality is minimal and that the security is an Eligible Security.

      |X| Bank Obligations.  The types of "banks" whose securities the Trust may
buy include commercial banks,  savings banks, and savings and loan associations,
which may or may not be members of the Federal  Deposit  Insurance  Corporation.
Within the limits set forth in the Prospectus, the Trust may also buy securities
of "foreign banks" that are:
      |_|   foreign  branches  of  U.S.  banks  (  which  may  be  issuers  of
"Eurodollar" money market instruments),
      |_|   U.S.  branches and agencies of foreign banks (which may be issuers
of "Yankee dollar" instruments), or
      |_|   foreign branches of foreign banks.

      |X| Insured Bank Obligations.  The Federal Deposit  Insurance  Corporation
insures the deposits of banks and savings and loan  associations  up to $100,000
per  investor.  The Trust may invest in  certificates  of deposit of $100,000 or
less of a domestic bank, regardless of asset size, if the certificate of deposit
is fully  insured as to  principal by the FDIC.  To remain  fully  insured as to
principal,  these investments must currently be limited to $100,000 per bank. If
the principal  amount and accrued interest  together exceed  $100,000,  then the
accrued interest in excess of that $100,000 will not be insured.  Because of the
limited  marketability  of  certificates  of  deposit,  no more  than 10% of the
Trust's net assets will be  invested in  certificates  of deposit of $100,000 or
less of a bank having total assets less than $1 billion.

      |X|  Asset-Backed  Securities.  These  securities,  issued by  trusts  and
special  purpose  corporations,   are  backed  by  pools  of  assets,  primarily
automobile and credit-card  receivables and home equity loans. They pass through
the  payments  on the  underlying  obligations  to the  security  holders  (less
servicing fees paid to the originator or fees for any credit  enhancement).  The
value of an  asset-backed  security  is  affected  by  changes  in the  market's
perception  of the asset  backing  the  security,  the  creditworthiness  of the
servicing agent for the loan pool, the originator of the loans, or the financial
institution providing any credit enhancement.

      Payments  of  principal  and  interest   passed   through  to  holders  of
asset-backed   securities  are  typically  supported  by  some  form  of  credit
enhancement,  such as a letter of credit,  surety  bond,  limited  guarantee  by
another  entity  or  having  a  priority  to  certain  of the  borrower's  other
securities.  The degree of credit  enhancement  varies, and generally applies to
only a fraction of the asset-backed security's par value until exhausted. If the
credit  enhancement  of an  asset-backed  security  held by the  Trust  has been
exhausted,  and if any required  payments of principal and interest are not made
with respect to the underlying  loans, the Trust may experience losses or delays
in receiving payment.

      The risks of investing in asset-backed securities are ultimately dependent
upon payment of consumer loans by the individual borrowers. As a purchaser of an
asset-backed  security, the Trust would generally have no recourse to the entity
that originated the loans in the event of default by a borrower.  The underlying
loans are subject to  prepayments,  which  shorten the weighted  average life of
asset-backed  securities  and may lower their return,  in the same manner as for
prepayments of a pool of mortgage loans underlying  mortgage-backed  securities.
However,  asset-backed  securities  do not have the benefit of the same security
interest in the underlying collateral as do mortgage-backed securities.

      |X| Repurchase Agreements. In a repurchase transaction, the Trust acquires
a  security  from,  and  simultaneously  resells it to, an  approved  vendor for
delivery on an  agreed-upon  future date.  The resale price exceeds the purchase
price by an amount that reflects an agreed-upon  interest rate effective for the
period during which the repurchase  agreement is in effect. An "approved vendor"
may be a U.S.  commercial bank or the U.S. branch of a foreign bank having total
domestic assets of at least $1 billion, or a broker-dealer with a net capital of
$50 million which has been designated a primary dealer in government securities.

      The  majority  of these  transactions  run from day to day,  and  delivery
pursuant  to the  resale  typically  will  occur  within one to five days of the
purchase.  The Trust will not enter into a repurchase  agreement that will cause
more than 5% of its net assets to be subject to repurchase  agreements  maturing
in more than seven days.

      Repurchase  agreements are considered "loans" under the Investment Company
Act,   collateralized  by  the  underlying  security.   The  Trust's  repurchase
agreements  require  that at all times  while  the  repurchase  agreement  is in
effect,  the  collateral's  value must equal or exceed the  repurchase  price to
fully  collateralize the repayment  obligation.  Additionally,  the Manager will
impose  creditworthiness  requirements to confirm that the vendor is financially
sound and will  continuously  monitor the collateral's  value.  However,  if the
vendor fails to pay the resale price on the delivery  date,  the Trust may incur
costs in disposing of the collateral  and may experience  losses if there is any
delay in its ability to do so.

Other Investment Strategies

      O  Floating  Rate/Variable  Rate  Obligations.  The  Trust  may  invest in
instruments  with floating or variable  interest  rates.  The interest rate on a
floating rate obligation is based on a stated  prevailing market rate, such as a
bank's prime rate,  the 90-day U.S.  Treasury  Bill rate,  the rate of return on
commercial paper or bank  certificates of deposit,  or some other standard.  The
rate on the  investment is adjusted  automatically  each time the market rate is
adjusted.  The interest  rate on a variable  rate  obligation is also based on a
stated  prevailing  market  rate but is  adjusted  automatically  at a specified
interval  of not  less  than one  year.  Some  variable  rate or  floating  rate
obligations  in which the Trust may invest have a demand  feature  entitling the
holder to demand payment of an amount  approximately equal to the amortized cost
of the  instrument  or the  principal  amount  of the  instrument  plus  accrued
interest at any time, or at specified  intervals  not exceeding one year.  These
notes may or may not be backed by bank letters of credit.

      Variable  rate demand notes may include  master  demand  notes,  which are
obligations that permit the Trust to invest  fluctuating  amounts in a note. The
amount may change daily without penalty, pursuant to direct arrangements between
the Trust, as the note purchaser, and the issuer of the note. The interest rates
on  these  notes  fluctuate  from  time to  time.  The  issuer  of this  type of
obligation normally has a corresponding  right in its discretion,  after a given
period,  to prepay  the  outstanding  principal  amount of the  obligation  plus
accrued interest. The issuer must give a specified number of days' notice to the
holders of those  obligations.  Generally,  the changes in the interest  rate on
those securities reduce the fluctuation in their market value. As interest rates
decrease or increase,  the potential for capital appreciation or depreciation is
less than that for fixed-rate obligations having the same maturity.

      Because these types of obligations are direct lending arrangements between
the note purchaser and issuer of the note, these instruments  generally will not
be traded.  Generally,  there is no established secondary market for these types
of  obligations,  although  they are  redeemable  from the issuer at face value.
Accordingly,  where  these  obligations  are not secured by letters of credit or
other credit support arrangements, the Trust's right to redeem them is dependent
on the ability of the note issuer to pay principal and interest on demand. These
types of obligations usually are not rated by credit rating agencies.  The Trust
may invest in obligations  that are not rated only if the Manager  determines at
the time of investment that they are Eligible Securities. The Manager, on behalf
of the Trust, will monitor the  creditworthiness  of the issuers of the floating
and variable  rate  obligations  in the Trust's  portfolio on an ongoing  basis.
There is no limit on the amount of the  Trust's  assets  that may be invested in
floating rate and variable rate  obligations  that meet the requirements of Rule
2a-7.

O Loans of Portfolio  Securities.  To attempt to increase its income,  the Trust
may lend its  portfolio  securities  to  brokers,  dealers  and other  financial
institutions.  These  loans are limited to not more than 25% of the value of the
Trust's total assets and are subject to other  conditions  described  below. The
Trust will not enter into any securities lending agreements having a maturity of
greater  than  one  year.  The  Trust  presently  does  not  intend  to lend its
securities,  but if it does,  the value of securities  loaned is not expected to
exceed 5% of the value of the  Trust's  total  assets.  There are some  risks in
lending securities.  The Trust could experience a delay in receiving  additional
collateral to secure a loan, or a delay in recovering the loaned securities.

      The Trust may receive  collateral for a loan.  Any securities  received as
collateral  for a loan  must  mature in twelve  months  or less.  Under  current
applicable  regulatory  requirements  (which  are  subject to  change),  on each
business day the loan  collateral  must be at least equal to the market value of
the loaned  securities.  The  collateral  must consist of cash,  bank letters of
credit, U.S. Government  securities or other cash equivalents in which the Trust
is permitted to invest.  To be acceptable as collateral,  letters of credit must
obligate a bank to pay  amounts  demanded  by the Trust if the demand  meets the
terms of the letter. Such terms and the issuing bank must be satisfactory to the
Trust.

      When it lends  securities,  the Trust receives from the borrower an amount
equal to the interest  paid or the dividends  declared on the loaned  securities
during the term of the loan.  It may also receive  negotiated  loan fees and the
interest  on  the   collateral   securities,   less  any  finders',   custodian,
administrative  or other fees the Trust pays in  connection  with the loan.  The
Trust may share the interest it receives on the collateral  securities  with the
borrower as long as it realizes at least a minimum  amount of interest  required
by the lending guidelines established by its Board of Directors.

      The Trust will not lend its portfolio securities to any officer,  Trustee,
employee  or  affiliate  of the Trust or its  Manager.  The terms of the Trust's
loans must meet  certain  tests under the  Internal  Revenue Code and permit the
Trust to reacquire loaned  securities on five business days notice or in time to
vote on any important matter.

      |X| Illiquid and Restricted Securities.  Under the policies and procedures
established  by the  Trust's  Board of  Trustees,  the  Manager  determines  the
liquidity  of certain of the Trust's  investments.  Investments  may be illiquid
because of the absence of an active trading market, making it difficult to value
them or dispose of them promptly at an acceptable  price. A restricted  security
is one that has a contractual  restriction on its resale or which cannot be sold
publicly until it is registered under the Securities Act of 1933.

      Illiquid  securities the Trust can buy include issues that may be redeemed
only by the issuer upon more than seven days notice or at  maturity,  repurchase
agreements  maturing in more than seven  days,  fixed time  deposits  subject to
withdrawal  penalties which mature in more than seven days, and other securities
that cannot be sold freely due to legal or contractual  restrictions  on resale.
Contractual  restrictions on the resale of illiquid  securities might prevent or
delay their sale by the Trust at a time when such sale would be desirable.

      There are restricted  securities  that are not illiquid that the Trust can
buy.  They  include  certain  master  demand  notes  redeemable  on demand,  and
short-term   corporate  debt   instruments  that  are  not  related  to  current
transactions  of the issuer and  therefore are not exempt from  registration  as
commercial paper.  Illiquid securities include repurchase agreements maturing in
more than 7 days, or certain participation  interests other than those with puts
exercisable within 7 days.

Investment Restrictions

      |X|  What Are  "Fundamental  Policies?"  Fundamental  policies  are  those
policies  that the  Trust has  adopted  to govern  its  investments  that can be
changed  only by the vote of a  "majority"  of the  Trust's  outstanding  voting
securities.  Under the Investment  Company Act, a "majority"  vote is defined as
the vote of the holders of the lesser of:
      |_| 67% or  more of the  shares  present  or  represented  by  proxy  at a
shareholder  meeting,  if the holders of more than 50% of the outstanding shares
are present or represented by proxy, or
      |_|   more than 50% of the outstanding shares.

      The Trust's investment  objective is a fundamental policy.  Other policies
described in the  Prospectus  or this  Statement of Additional  Information  are
"fundamental" only if they are identified as such. The Trust's Board of Trustees
can change  non-fundamental  policies  without  shareholder  approval.  However,
significant  changes to investment  policies will be described in supplements or
updates to the  Prospectus  or this  Statement  of  Additional  Information,  as
appropriate.  The Trust's most significant  investment policies are described in
the Prospectus.

     o Does the  Trust  Have  Additional  Fundamental  Policies?  The  following
investment restrictions are fundamental policies of the Trust:

      |_| The Trust cannot  invest more than 5% of the value of its total assets
in the  securities  of any one issuer  (other  than the U.S.  Government  or its
agencies or instrumentalities).

      |_| The Trust cannot purchase more than 10% of the outstanding  non-voting
securities or more than 10% of the total debt securities of any one issuer.

      |_| The Trust cannot  concentrate  investments to the extent of 25% of its
assets in any  industry;  however,  there is no  limitation  as to investment in
obligations issued by banks, savings and loan associations or the U.S.
Government and its agencies or instrumentalities.

      |_| The Trust cannot  invest in any debt  instrument  having a maturity in
excess  of one year  from the date of the  investment  or, in the case of a debt
instrument subject to a repurchase agreement or called for redemption,  having a
repurchase  or  redemption  date  more  than  one  year  from  the  date  of the
investment.

      |_| The Trust  cannot  borrow  money  except as a  temporary  measure  for
extraordinary or emergency purposes, and then only up to 10% of the market value
of the  Trust's  assets;  the  Trust  will  not make any  investment  when  such
borrowing  exceeds 5% of the value of its assets;  no assets of the Trust may be
pledged, mortgaged or assigned to secure a debt.

      |_| The Trust cannot  invest more than 5% of the value of its total assets
in securities of companies  that have operated less than three years,  including
the operations of predecessors.

      |_| The Trust cannot make loans,  except the Trust may: (i) purchase  debt
securities,  (ii) purchase debt securities subject to repurchase agreements,  or
(iii)  lend  its   securities  as  described  in  the  Statement  of  Additional
Information.

      |_| The Trust  cannot  invest in  commodities  or  commodity  contracts or
invest  in  interests  in oil,  gas or  other  mineral  exploration  or  mineral
development programs.

      |_| The Trust cannot invest in real estate; however the Trust may purchase
debt  securities  issued by  companies  which invest in real estate or interests
therein.

      |_| The Trust cannot purchase  securities on margin or make short sales of
securities.

      |_| The Trust cannot  invest in or hold  securities of any issuer if those
officers  and  Trustees  of  the  Trust  or the  Manager  who  beneficially  own
individually  more than 0.5% of the securities of such issuer  together own more
than 5% of the securities of such issuer.

o The Trust cannot underwrite securities of other companies.

      |_| The Trust cannot issue "senior securities," but this does not prohibit
certain  investment  activities  for which assets of the Trust are designated as
segregated,  or margin,  collateral or escrow  arrangements are established,  to
cover the related  obligations.  Examples of those activities  include borrowing
money,   reverse  repurchase   agreements,   delayed-delivery   and  when-issued
arrangements for portfolio securities transactions, and contracts to buy or sell
derivatives, hedging instruments, options or futures.

      |_| The Trust cannot invest in securities of other  investment  companies,
except in connection with a consolidation or merger.

      Unless the Prospectus or this Statement of Additional  Information  states
that a percentage  restriction  applies on an ongoing basis,  it applies only at
the time the Trust makes an  investment.  The Trust need not sell  securities to
meet  the  percentage  limits  if the  value  of  the  investment  increases  in
proportion to the size of the Trust.

      For purposes of the Trust's policy not to concentrate  its  investments in
securities of issuers,  the Trust has adopted the industry  classifications  set
forth in Appendix B to this Statement of Additional  Information.  This is not a
fundamental policy.

How the Fund Is Managed

Organization  and  History.  The Trust is an  open-end,  diversified  management
investment company organized as a Massachusetts  business trust in 1979, with an
unlimited number of authorized shares of beneficial interest.

      The Trust is governed by a Board of  Trustees,  which is  responsible  for
protecting the interests of shareholders  under  Massachusetts law. The Trustees
meet periodically throughout the year to oversee the Trust's activities,  review
its performance,  and review the actions of the Manager. Although the Trust will
not normally hold annual meetings of its  shareholders,  it may hold shareholder
meetings from time to time on important matters.  Shareholders of the Trust have
the  right  to call a  meeting  to  remove a  Trustee  or to take  other  action
described in the Declaration of Trust.

      |X|  Classes  of Shares.  The Board of  Trustees  has the  power,  without
shareholder  approval,  to divide  unissued shares of the Trust into two or more
classes.  The Board has done so,  and the Trust  currently  has two  classes  of
shares,  Class  A,  and  Class  Y. All  classes  invest  in the same  investment
portfolio.  Shares  are  freely  transferable.   Each  share  has  one  vote  at
shareholder  meetings,  with fractional shares voting  proportionally on matters
submitted to the vote of shareholders. Each class of shares:
     |_|   has its own dividends and distributions,
     |_|   pays certain  expenses  which may be  different  for
   the different classes,
     |_|  may have a different net asset value,
     |_| may have  separate  voting  rights on matters in which the interests of
one class are different from the interests of another class, and
     |_| votes as a class on matters that affect that class alone.

      |X| Meetings of Shareholders. As a Massachusetts business trust, the Trust
is not required to hold, and does not plan to hold,  regular annual  meetings of
shareholders.  The  Trust  will  hold  meetings  when  required  to do so by the
Investment  Company  Act or  other  applicable  law.  It will  also do so when a
shareholder  meeting is called by the  Trustees  or upon  proper  request of the
shareholders.

      Shareholders  have the right,  upon the  declaration in writing or vote of
two-thirds  of the  outstanding  shares of the Trust,  to remove a Trustee.  The
Trustees will call a meeting of shareholders to vote on the removal of a Trustee
upon the written request of the record holders of 10% of the outstanding  shares
of the Trust.  If the Trustees  receive a request from at least 10  shareholders
stating  that they wish to  communicate  with  other  shareholders  to request a
meeting to remove a Trustee,  the Trustees will then either make the shareholder
lists of the Trust  available to the applicants or mail their  communication  to
all other shareholders at the applicants'  expense.  The shareholders making the
request must have been shareholders for at least six months and must hold shares
of series of the Trust valued at $25,000 or more or  constituting at least 1% of
the  outstanding  shares of the Trust,  whichever is less. The Trustees may also
take other action as permitted by the Investment Company Act.

         |_|  Shareholder  and  Trustee  Liability.  The  Declaration  of  Trust
contains an express  disclaimer  of  shareholder  or Trustee  liability  for the
Trust's  obligations.  It also provides for indemnification and reimbursement of
expenses out of the Trust's property for any shareholder held personally  liable
for its obligations. The Declaration of Trust also states that upon request, the
Trust shall assume the defense of any claim made against a  shareholder  for any
act or  obligation  of the Trust and shall  satisfy any  judgment on that claim.
Massachusetts  law permits a shareholder of a business trust (such as the Trust)
to be  held  personally  liable  as a  "partner"  under  certain  circumstances.
However,  the risk that a Trust shareholder will incur financial loss from being
held  liable as a  "partner"  of the Trust is limited to the  relatively  remote
circumstances in which the Trust would be unable to meet its obligations.

      The Trust's contractual  arrangements state that any person doing business
with the Trust (and each  shareholder of the Trust) agrees under the Declaration
of Trust to look solely to the assets of the Trust for satisfaction of any claim
or demand  that may arise out of any  dealings  with the  Trust.  The  contracts
further  state that the  Trustees  shall have no personal  liability to any such
person, to the extent permitted by law.

Trustees and Officers of the Trust.  The Trust's Trustees and officers and their
principal  occupations and business  affiliations during the past five years are
listed  below.  Trustees  denoted  with an  asterisk  (*) below are deemed to be
"interested  persons" of the Trust under the Investment  Company Act. All of the
Trustees are also trustee,  directors or Trustees of the following  Denver-based
Oppenheimer funds1:

Oppenheimer Cash Reserves             Oppenheimer Strategic Income Fund
Oppenheimer Champion Income Fund      Oppenheimer Total Return Fund, Inc.
Oppenheimer Equity Income Fund        Oppenheimer Variable Account Funds
Oppenheimer High Yield Fund           Panorama Series Fund, Inc.
Oppenheimer International Bond Fund   Centennial America Fund, L. P.
Oppenheimer Integrity Funds           Centennial California Tax Exempt Trust
Oppenheimer  Limited-Term  Government Centennial Government Trust
Fund
Oppenheimer Main Street Funds, Inc.   Centennial Money Market Trust
Oppenheimer Municipal Fund            Centennial New York Tax Exempt Trust
Oppenheimer Real Asset Fund           Centennial Tax Exempt Trust

- --------
1Ms.  Macaskill  and Mr. Bowen are not  Trustees or  Directors of  Oppenheimer
Integrity  Funds,  Oppenheimer  Strategic  Income Fund,  Panorama Series Fund,
Inc. or Oppenheimer  Variable  Account Funds. Mr. Fossel and Mr. Bowen are not
Trustees of Centennial New York Tax Exempt Trust or Managing  General Partners
of Centennial America Fund, L.P.

Robert G. Avis*, Trustee, Age 67
One North Jefferson Ave., St. Louis, Missouri 63103
Vice  Chairman  of A.G.  Edwards  & Sons,  Inc.  (a  broker-dealer)  and  A.G.
Edwards,  Inc.  (its  parent  holding  company);   Chairman  of  A.G.E.  Asset
Management and A.G. Edwards Trust Company (its affiliated  investment  adviser
and trust company, respectively).

William A. Baker, Trustee, Age 84
197 Desert Lakes Drive, Palm Springs, California 92264
Management Consultant.

George C. Bowen*, Vice President,  Trustee,  Treasurer and Assistant Secretary
Age 62
6803 South Tucson Way, Englewood, Colorado 80112
Senior Vice President (since September 1987) and Treasurer (since March 1985) of
the Manager;  Vice President  (since June 1983) and Treasurer (since March 1985)
of the  Distributor;  Vice President  (since October 1989) and Treasurer  (since
April  1986) of  HarbourView;  Senior  Vice  President  (since  February  1992),
Treasurer  (since July 1991) and a director (since December 1991) of Centennial;
President,  Treasurer and a director of Centennial  Capital  Corporation  (since
June 1989);  Vice  President  and  Treasurer  (since  August 1978) and Secretary
(since  April 1981) of SSI;  Vice  President,  Treasurer  and  Secretary of SFSI
(since November 1989);  Assistant Treasurer of OAC (since March 1998); Treasurer
of Oppenheimer  Partnership Holdings, Inc. (since November 1989); Vice President
and Treasurer of Oppenheimer Real Asset Management, Inc. (since July 1996);Chief
Executive Officer, Treasurer; Treasurer of OFIL and Oppenheimer Millennium Funds
plc  (since  October  1997);  an officer of other  Oppenheimer  funds;  formerly
Treasurer of OAC (June 1990 March 1998).

Charles Conrad, Jr., Trustee, Age 68
1501 Quail Street, Newport, Beach, CA 92660
Chairman and CEO of Universal  Space Lines,  Inc. (a space  services  management
company);  formerly Vice President of McDonnell Douglas Space Systems Co., prior
to  which  he  was   associated   with  the  National   Aeronautics   and  Space
Administration.

Jon S. Fossel, Trustee, Age 57
P.O. Box 44, Mead Street, Waccabuc, New York 10597
Formerly  Chairman and a director of the Manager,  President and a director of
Oppenheimer  Acquisition Corp. ("OAC"),  the Manager's parent holding company,
and Shareholder  Services,  Inc. ("SSI") and Shareholder  Financial  Services,
Inc. ("SFSI"), transfer agent subsidiaries of the Manager.

Sam Freedman, Trustee, Age 58
4975 Lakeshore Drive, Littleton, Colorado 80123
Formerly  Chairman and Chief  Executive  Officer of  OppenheimerFunds  Services,
Chairman,  Chief  Executive  Officer  and a  director  of SSI,  Chairman,  Chief
Executive and Officer and director of SFSI,  Vice  President and director of OAC
and a director of OppenheimerFunds, Inc.

Raymond J. Kalinowski, Trustee, Age 69
44 Portland Drive, St. Louis, Missouri 63131
Director  of  Wave  Technologies  International,  Inc.  (a  computer  products
training company), self-employed consultant (securities matters).

C. Howard Kast, Trustee, Age 77
2552 East Alameda, Denver, Colorado 80209
Formerly Managing Partner of Deloitte, Haskins & Sells (an accounting firm).

Robert M. Kirchner, Trustee, Age 77
7500 E. Arapahoe Road, Englewood, Colorado 80112
President of The Kirchner Company (management consultants).

Bridget A. Macaskill*, President and Trustee, Age 50
Two World Trade Center, New York, New York 10048-0203
President (since June 1991),  Chief Executive Officer (since September 1995) and
a Director (since  December 1994) of the Manager;  President and director (since
June  1991)  of  HarbourView  Asset  Management  Corp.,  an  investment  adviser
subsidiary of the Manager; Chairman and a director of Shareholder Services, Inc.
(since August 1994) and Shareholder  Financial  Services,  Inc. (since September
1995),  transfer agent  subsidiaries of the Manager;  President (since September
1995) and a director (since October 1990) of Oppenheimer  Acquisition Corp., the
Manager's  parent  holding  company;  President  (since  September  1995)  and a
director  (since  November 1989) of Oppenheimer  Partnership  Holdings,  Inc., a
holding company  subsidiary of the Manager; a director of Oppenheimer Real Asset
Management,  Inc.  (since July 1996);  President and a director  (since  October
1997) of  OppenheimerFunds  International  Ltd.,  an  offshore  fund  management
subsidiary of the Manager and of Oppenheimer Millennium Funds plc; President and
a director of other Oppenheimer  funds; a director of Hillsdown  Holdings plc (a
U.K. food  company),  formerly  (until  October 1998) a director of NASDAQ Stock
Market, Inc.

Ned M. Steel, Trustee, Age 83
3416 South Race Street, Englewood, Colorado 80110
Chartered  Property and  Casualty  Underwriter;  a director of Visiting  Nurse
Corporation of Colorado.

James C. Swain*,  Chairman,  Chief  Executive  Officer and Trustee,  Age 65
6803 South Tucson Way, Englewood,  Colorado 80112 
Vice Chairman of the Manager (since  September 1988);  formerly  President and a
director of Centennial  Asset  Management  Corporation,  an  investment  adviser
subsidiary of the Manager ("Centennial"), and Chairman of the Board of SSI.

Carol E. Wolf, Vice President and Portfolio Manager, Age 47
Two World Trade Center, New York, New York 10048-0203
Vice  President of the Manager and Centennial  (since June 1990);  an officer of
other Oppenheimer funds.

Arthur J. Zimmer,  Vice President and Portfolio  Manger,  Age 52 Two World Trade
Center,  New York,  New York  10048-0203  Senior Vice  President  of the Manager
(since June 1997); Vice President of Centennial (since June 1997); an officer of
other  Oppenheimer  funds;  formerly  Vice  President  of the  Manager  (October
1990-June 1997).

Andrew J. Donohue, Vice President and Secretary, Age 48
Two World Trade Center, New York, New York 10048-0203
Executive Vice President  (since January 1993),  General  Counsel (since October
1991) and a Director  (since  September  1995) of the  Manager;  Executive  Vice
President  and General  Counsel  (since  September  1993) and a director  (since
January 1992) of the Distributor;  Executive Vice President, General Counsel and
a director of HarbourView Asset Management Corp.,  Shareholder  Services,  Inc.,
Shareholder  Financial  Services,  Inc. and (since  September 1995)  Oppenheimer
Partnership  Holdings,  Inc.;  President  and a  director  of  Centennial  Asset
Management Corporation (since September 1995); President,  General Counsel and a
director of Oppenheimer Real Asset Management,  Inc. (since July 1996);  General
Counsel  (since  May 1996)  and  Secretary  (since  April  1997) of  Oppenheimer
Acquisition   Corp.;   Vice   President  and  a  director  of   OppenheimerFunds
International Ltd. and Oppenheimer Millennium Funds plc (since October 1997); an
officer of other Oppenheimer funds.

Robert J. Bishop, Assistant Treasurer, Age 40
6803 South Tucson Way, Englewood, Colorado 80112
Vice  President  of the  Manager/Mutual  Fund  Accounting  (since May 1996);  an
officer of other Oppenheimer funds;  formerly an Assistant Vice President of the
Manager/Mutual Fund Accounting (April 1994-May 1996), and a Fund
Controller for the Manager.

Scott T. Farrar, Assistant Treasurer, Age 33
6803 South Tucson Way, Englewood, Colorado 80112
Vice President of the Manager/Mutual Fund Accounting (since May 1996); Assistant
Treasurer of Oppenheimer  Millennium  Funds plc (since October 1997); an officer
of  other  Oppenheimer  funds;  formerly  an  Assistant  Vice  President  of the
Manager/Mutual  Fund Accounting (April 1994-May 1996), and a Fund Controller for
the Manager.

Robert G. Zack, Assistant Secretary, Age 50
Two World Trade Center, New York, New York 10048-0203
Senior Vice President  (since May 1985) and Associate  General  Counsel (since
May 1981) of the Manager,  Assistant Secretary of Shareholder  Services,  Inc.
(since May 1985),  and Shareholder  Financial  Services,  Inc. (since November
1989);   Assistant  Secretary  of  OppenheimerFunds   International  Ltd.  and
Oppenheimer  Millennium  Funds plc (since October  1997);  an officer of other
Oppenheimer funds.

O Remuneration  of Trustees.  The officers of the Trust and certain  Trustees of
the Trust (Ms.  Macaskill and Messrs.  Bowen and Swain) who are affiliated  with
the Manager receive no salary or fee from the Trust.  The remaining  Trustees of
the Trust received the compensation shown below. The compensation from the Trust
was paid during its fiscal year ended June 30, 1998. The  compensation  from all
of the  Denver-based  Oppenheimer  funds includes the Trust and is  compensation
received as a Trustee,  director,  Trustee or member of a committee of the Board
during the calendar year 1998.


  -----------------------------------------------------------------------------
                               Aggregate         Total Compensation
  Trustee's Name               Compensation      from all Denver-Based
  and Other Positions          from Trust        Oppenheimer Funds1
  -----------------------------------------------------------------------------
  -----------------------------------------------------------------------------

  Robert G. Avis               $6,050            $67,998.00

  -----------------------------------------------------------------------------
  -----------------------------------------------------------------------------

  William A. Baker             $7,384            $69,998.00

  -----------------------------------------------------------------------------
  -----------------------------------------------------------------------------

  Charles Conrad, Jr.          $6,860            $67,998.00

  -----------------------------------------------------------------------------
  -----------------------------------------------------------------------------

   John S. Fossel              $6,029            $67,496.04

  -----------------------------------------------------------------------------
  -----------------------------------------------------------------------------

  Sam Freedman                 $6,336            $73,998.00
  Audit and Review
  Committee Member

  -----------------------------------------------------------------------------
  -----------------------------------------------------------------------------

  Raymond J. Kalinowski        $6,818            $73,998.00
  Audit and Review
  Committee Member

  -----------------------------------------------------------------------------
  -----------------------------------------------------------------------------

  C. Howard Kast               $7,289            $76,998.00
  Audit and Review
  Committee Chairman

  -----------------------------------------------------------------------------
  -----------------------------------------------------------------------------

  Robert M. Kirchner           $6,860            $67,998.00

  -----------------------------------------------------------------------------
  -----------------------------------------------------------------------------

  Ned M. Steel                 $6,050            $67,998.00

  -----------------------------------------------------------------------------
   1.  For the 1998 calendar year.

     o Deferred  Compensation  Plan for  Trustees.  The Trustees  have adopted a
Deferred Compensation Plan for disinterested Trustees that enables them to elect
to defer  receipt of all or a portion of the annual  fees they are  entitled  to
receive from the Trust.  Under the plan, the compensation  deferred by a Trustee
is  periodically  adjusted as though an  equivalent  amount had been invested in
shares of one or more Oppenheimer funds selected by the Trustee. The amount paid
to the Trustee under this plan will be determined  based upon the performance of
the selected funds.

      Deferral  of fees of the  Trustees  under  this plan  will not  materially
affect the Trust's assets,  liabilities or net income per share.  This plan will
not  obligate  the Trust to retain  the  services  of any  Trustee or to pay any
particular level of compensation to any Trustee.  Pursuant to an Order issued by
the  Securities  and  Exchange  Commission,  the Trust  may  invest in the funds
selected by any Trustee  under this plan  without  shareholder  approval for the
limited purpose of determining the value of the Trustees' deferred fee accounts.

      |X| Major Shareholders.  As of __________, 1999, the only person who owned
of  record  or was  known  by the  Trust to own  beneficially  5% or more of the
Trust's  outstanding shares was A.G. Edwards & Sons, Inc.  ("Edwards"),  1 North
Jefferson Avenue, St. Louis,  Missouri 63103, which owned ________ shares of the
Trust (____% of the then  outstanding  shares of the Trust).  The Trust has been
informed  that,  as  to  shares  held  of  record  by  Edwards,   the  following
shareholders  owned  more than 5% of the  outstanding  shares of the Trust as of
__________, 1999:___________.

The Manager. The Manager is wholly-owned by  OppenheimerFunds,  Inc., which is a
wholly-owned  subsidiary of Oppenheimer  Acquisition  Corp.,  a holding  company
controlled by Massachusetts  Mutual Life Insurance Company.  The Manager and the
Trust have a Code of Ethics.  It is  designed  to detect  and  prevent  improper
personal trading by certain employees,  including portfolio managers, that would
compete with or take advantage of the Trust's portfolio transactions. Compliance
with the Code of Ethics is carefully monitored and enforced by the Manager.

      The portfolio  managers of the Trust are  principally  responsible for the
day-to-day management of the Trust's investment portfolio.  Other members of the
Manager's  fixed-income  portfolio  department,  particularly security analysts,
traders and other portfolio  managers,  have broad experience with  fixed-income
securities.  They  provide the Trust's  portfolio  managers  with  research  and
support in managing the Trust's investments.

      |X| The Investment  Advisory  Agreement.  The Manager provides  investment
advisory  and  management  services  to the Trust under an  investment  advisory
agreement between the Manager and the Trust. The Manager selects  securities for
the Trust's  portfolio  and  handles  its  day-to-day  business.  The  agreement
requires the Manager,  at its expense, to provide the Trust with adequate office
space,  facilities  and  equipment.  It also requires the Manager to provide and
supervise the activities of all  administrative  and clerical personnel required
to  provide  effective  administration  for the  Trust.  Those  responsibilities
include  the  compilation  and  maintenance  of  records  with  respect  to  its
operations,  the preparation and filing of specified reports, and composition of
proxy materials and registration statements for continuous public sale of shares
of the Trust.

      Expenses  not  expressly  assumed  by the  Manager  under  the  investment
advisory  agreement are paid by the Trust.  The  investment  advisory  agreement
lists  examples of expenses paid by the Trust.  The major  categories  relate to
interest,  taxes,  fees to  disinterested  Trustees,  legal and audit  expenses,
custodian and transfer agent expenses,  share issuance costs,  certain  printing
and registration costs and non-recurring  expenses,  including litigation costs.
The management fees paid by the Trust to the Manager are calculated at the rates
described in the Prospectus.

- -------------------------------------------------------------------------------
  Fiscal Year    Management Fee Paid to Centennial Asset Management Corporation
  ending 6/30
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------

      1996                         $21,572,514 (after waiver)
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------

      1997                         $32,755,568 (after waiver)
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------

      1998                          $45,145,160(after waiver)
- ------------------------------------------------------------------------------

      Under  the  investment  advisory  agreement,  the  Manager  has  agreed to
reimburse the Trust to the extent that the Trust's total expenses (including the
management  fee  but  excluding  interest,  taxes,  brokerage  commissions,  and
extraordinary  expenses such as litigation  costs) exceed in any fiscal year the
lesser of: (i) 1.5% of average  annual net assets of the Trust up to $30 million
plus 1% of the  average  annual net assets in excess of $30 million or; (ii) 25%
of the total annual investment income of the Trust.

      Independently  of the  investment  advisory  agreement,  the  Manager  had
voluntarily agreed to waive a portion of the management fee otherwise payable to
it by the Trust  during the period from  December 1, 1991  through  November 21,
1997. For fiscal year ended June 30, 1996,  June 30, 1997 and June 30, 1998, the
reimbursements  by the Manager to the Trust were $0,  $4,890,123 and $2,382,437,
respectively.  Contemporaneously  with the  amendment of the Trust's  investment
advisory  agreement with the Manager,  the Manager withdrew its voluntary waiver
on November 21, 1997.

    The  investment  advisory  agreement  states  that in the absence of willful
misfeasance,  bad faith,  gross  negligence in the  performance of its duties or
reckless  disregard of its obligations and duties under the investment  advisory
agreement,  the Manager is not liable for any loss  resulting  from a good faith
error or  omission  on its part  with  respect  to any of its  duties  under the
agreement.

      |X| The Distributor.  Under its General  Distributor's  Agreement with the
Trust,  Centennial  Asset Management  Corporation,  a subsidiary of the Manager,
acts as the Trust's  principal  underwriter  and  Distributor  in the continuous
public offering of the Trust's shares.  The Distributor is not obligated to sell
a  specific  number of  shares.  The  Distributor  bears the  expenses  normally
attributable  to  sales,  including  advertising  and the cost of  printing  and
mailing prospectuses, other than those furnished to existing shareholders.

Portfolio  Transactions.  Portfolio decisions are based upon recommendations and
judgment  of the  Manager  subject  to the  overall  authority  of the  Board of
Trustees.  Most  purchases made by the Trust are principal  transactions  at net
prices,  so the Trust  incurs  little or no  brokerage  costs.  The Trust  deals
directly  with the  selling or  purchasing  principal  or market  maker  without
incurring  charges for the services of a broker on its behalf unless the Manager
determines  that a better  price  or  execution  may be  obtained  by using  the
services  of a broker.  Purchases  of  portfolio  securities  from  underwriters
include a commission or concession  paid by the issuer to the  underwriter,  and
purchases from dealers include a spread between the bid and asked prices.

      The Trust seeks to obtain prompt execution of orders at the most favorable
net price. If dealers are used for portfolio  transactions,  transactions may be
directed to dealers for their  execution  and  research  services.  The research
services  provided by a  particular  broker may be useful only to one or more of
the advisory  accounts of the Manager and its  affiliates.  Investment  research
received for the  commissions  of those other accounts may be useful both to the
Trust and one or more of such other accounts.  Investment  research services may
be supplied to the Manager by a third party at the instance of a broker  through
which trades are placed.  It may include  information and analyses on particular
companies  and  industries  as well as market or economic  trends and  portfolio
strategy,  receipt of market quotations for portfolio  evaluations,  information
systems,  computer  hardware and similar  products and  services.  If a research
service also assists the Manager in a non-research capacity (such as bookkeeping
or other administrative  functions),  then only the percentage or component that
provides assistance to the Manager in the investment decision-making process may
be paid in commission dollars.

      The research services provided by brokers broaden the scope and supplement
the research activities of the Manager.  That research provides additional views
and  comparisons  for  consideration,   and  helps  the  Manager  obtain  market
information  for the  valuation of securities  held in the Trust's  portfolio or
being considered for purchase.

      Subject to  applicable  rules  covering the  Manager's  activities in this
area, sales of shares of the Trust and/or the other investment companies managed
by the Manager or  distributed  by the  Distributor  may also be considered as a
factor  in the  direction  of  transactions  to  dealers.  That  must be done in
conformity  with the price,  execution  and other  considerations  and practices
discussed  above.  Those  other  investment  companies  may  also  give  similar
consideration  relating  to  the  sale  of  the  Trust's  shares.  No  portfolio
transactions  will be  handled  by any  securities  dealer  affiliated  with the
Manager.

      The  Trust's  policy of  investing  in  short-term  debt  securities  with
maturity  of less  than one year  results  in high  portfolio  turnover  and may
increase the Trust's transaction costs. However, since brokerage commissions, if
any, are small,  high turnover does not have an appreciable  adverse effect upon
the income of the Trust.

Performance of the Trust

Explanation  of  Performance  Terminology.  The Trust uses a variety of terms to
illustrate its performance.  These terms include "yield," "compounded  effective
yield" and "average annual total return." An explanation of how yields and total
returns are  calculated  is set forth  below.  The charts below show the Trust's
performance  as of the  Trust's  most  recent  fiscal  year end.  You can obtain
current  performance  information  by  calling  the  Trust's  Transfer  Agent at
1-800-525-7948.

      The Trust's  illustrations of its performance data in advertisements  must
comply  with  rules of the  Securities  and  Exchange  Commission.  Those  rules
describe  the  types of  performance  data  that may be used and how it is to be
calculated.  If the Trust  shows total  returns in  addition to its yields,  the
returns must be for the 1-, 5- and 10-year  periods ending as of the most recent
calendar  quarter  prior  to  the  publication  of  the  advertisement  (or  its
submission for publication).

      Use of  standardized  performance  calculations  enables  an  investor  to
compare the Trust's  performance to the  performance of other funds for the same
periods.  However,  a number of factors  should be  considered  before using the
Trust's   performance   information  as  a  basis  for  comparisons  with  other
investments:

      |_| Yields and total returns  measure the  performance  of a  hypothetical
      account in the Trust over various  periods and do not show the performance
      of each shareholder's  account.  Your account's performance will vary from
      the model  performance data if your dividends are received in cash, or you
      buy or sell  shares  during the  period,  or you bought  your  shares at a
      different time than the shares used in the model.
     |_| An  investment  in the  Trust is not  insured  by the FDIC or any other
government agency.
      |_|   The Trust's yield is not fixed or guaranteed and will fluctuate.
      |_|   Yields  and total  returns  for any given  past  period  represent
historical performance information and are not, and should not be considered,  a
prediction of future yields or returns.

         |_| Yields.  The Trust's  current yield is  calculated  for a seven-day
period of time as follows.  First,  a base period return is  calculated  for the
seven-day  period by  determining  the net change in the value of a hypothetical
pre-existing  account having one share at the beginning of the seven-day period.
The change  includes  dividends  declared on the  original  share and  dividends
declared  on any  shares  purchased  with  dividends  on that  share,  but  such
dividends  are adjusted to exclude any realized or  unrealized  capital gains or
losses  affecting  the  dividends  declared.  Next,  the base  period  return is
multiplied by 365/7 to obtain the current yield to the nearest  hundredth of one
percent.

     The compounded  effective yield for a seven-day period is calculated by (1)
adding 1 to the base period return  (obtained as described  above),  (2) raising
the sum to a power  equal to 365  divided by 7, and (3)  subtracting  1 from the
result.

      The  yield  as   calculated   above  may  vary  for  accounts   less  than
approximately  $100 in value  due to the  effect  of  rounding  off  each  daily
dividend  to the  nearest  full cent.  The  calculation  of yield  under  either
procedure  described  above does not take into  consideration  any  realized  or
unrealized gains or losses on the Trust's portfolio  securities which may affect
dividends.  Therefore,  the return on dividends declared during a period may not
be the same on an annualized basis as the yield for that period.

     o Total Return Information. There are different types of "total returns" to
measure  the  Trust's  performance.  Total  return  is the  change in value of a
hypothetical  investment  in the Trust over a given  period,  assuming  that all
dividends and capital gains  distributions  are reinvested in additional  shares
and that the  investment  is redeemed at the end of the period.  The  cumulative
total return  measures the change in value over the entire  period (for example,
ten years).  An average annual total return shows the average rate of return for
each year in a period that would  produce the  cumulative  total return over the
entire  period.  However,  average  annual  total  returns  do not  show  actual
year-by-year performance. The Trust uses standardized calculations for its total
returns as prescribed by the SEC. The methodology is discussed below.

         |_| Average Annual Total Return.  The "average  annual total return" of
each class is an  average  annual  compounded  rate of return for each year in a
specified number of years. It is the rate of return based on the change in value
of a hypothetical  initial  investment of $1,000 ("P" in the formula below) held
for a number of years ("n") to achieve an Ending  Redeemable Value ("ERV" in the
formula) of that investment, according to the following formula:

                    ( ERV ) 1/n
                    (-----) -1 = Average Annual Total Return
                    (  P  )

         |_| Cumulative Total Return. The "cumulative total return"  calculation
measures  the change in value of a  hypothetical  investment  of $1,000  over an
entire period of years. Its calculation uses some of the same factors as average
annual  total  return,  but it does not  average the rate of return on an annual
basis. Cumulative total return is determined as follows:

                             ERV - P
                             ------- = Total Return
                                P

- ------------------------------------------------------------------------------
 Yield           Compounded          Class A Average Annual Total Returns (at
 (7 days ended   Effective Yield                    12/31/98)
   12/31/98)      (7 days ended
                    12/31/98)
- ------------------------------------------------------------------------------
- ------------------------------------------------------------------------------

                                     1-Year          5 Years        10 Years
- ------------------------------------------------------------------------------
- ------------------------------------------------------------------------------

       %                %               %               %               %
- ------------------------------------------------------------------------------

      |X| Other  Performance  Comparisons.  Yield  information  may be useful to
investors in reviewing the Trust's  performance.  The Trust may make comparisons
between its yield and that of other investments,  by citing various indices such
as The Bank Rate Monitor  National Index  (provided by Bank Rate MonitorJ) which
measures the average rate paid on bank money market  accounts,  NOW accounts and
certificates  of deposits  by the 100  largest  banks and thrifts in the top ten
metro areas.  When  comparing the Trust's yield with that of other  investments,
investors should  understand that certain other investment  alternatives such as
certificates of deposit, U.S. government securities, money market instruments or
bank accounts may provide fixed yields and may be insured or guaranteed.

      From time to time, the Trust may include in its  advertisements  and sales
literature performance information about the Trust cited in other newspapers and
periodicals,  such  as  The  New  York  Times,  which  may  include  performance
quotations from other sources.

      From time to time, the Trust's Manager may publish  rankings or ratings of
the Manager (or the Transfer Agent) or the investor services provided by them to
shareholders of the Oppenheimer  funds,  other than performance  rankings of the
Oppenheimer funds themselves.  Those ratings or rankings of investor/shareholder
services by third parties may compare the services of the  Oppenheimer  funds to
those of other mutual fund families  selected by the rating or ranking services.
They may be based on the opinions of the rating or ranking service itself, based
on its  research  or  judgment,  or  based on  surveys  of  investors,  brokers,
shareholders or others.


A B O U T  Y O U R  A C C O U N T

How to Buy Shares

     |X| The Oppenheimer Funds. The Oppenheimer funds are those mutual funds for
which the  OppenheimerFunds  Distributor,  Inc. acts as the  distributor  or the
sub-Distributor and include the following:

Oppenheimer Bond Fund                   Oppenheimer Limited-Term Government Fund
Oppenheimer Capital Appreciation Fund   Oppenheimer Main Street California
                                        Municipal Fund
Oppenheimer California Municipal Fund   Oppenheimer Main Street Growth & Income
                                        Fund
Oppenheimer Champion Income Fund        Oppenheimer MidCap Fund 
Oppenheimer Convertible Securities Fund Oppenheimer Multiple  Strategies Fund  
Oppenheimer Developing Markets Fund     Oppenheimer Municipal Bond Fund 
Oppenheimer Disciplined Allocation Fund Oppenheimer New York Municipal Fund  
Oppenheimer Disciplined  Value Fund     Oppenheimer New Jersey  Municipal Fund 
Oppenheimer Discovery Fund              Oppenheimer Pennsylvania Municipal Fund
Oppenheimer Enterprise Fund             Oppenheimer Quest Balanced Value Fund  
Oppenheimer Equity Income Fund          Oppenheimer Quest Capital Value Fund,
                                        Inc.
Oppenheimer Florida Municipal Fund     Oppenheimer Quest Global Value Fund, Inc.
Oppenheimer Global Fund                 Oppenheimer Quest Opportunity Value Fund
Oppenheimer Global Growth & Income Fund Oppenheimer Quest Small Cap Value Fund 
Oppenheimer Gold & Special  Minerals    Oppenheimer Quest Value Fund, Inc. 
Fund  
Oppenheimer Growth Fund                 Oppenheimer Real Asset Fund
Oppenheimer High Yield Fund             Oppenheimer Strategic  Income Fund      
Oppenheimer Insured  Municipal Fund     Oppenheimer Total Return Fund,  Inc.  
Oppenheimer Intermediate Municipal Fund Oppenheimer U.S. Government Trust 
Oppenheimer International Bond Fund     Oppenheimer World Bond Fund
Oppenheimer International Growth Fund   Limited-Term New York Municipal Fund
Oppenheimer International Small         Rochester Fund Municipals 
Company  Fund
Oppenheimer Large Cap Growth Fund

and the following money market funds:

Centennial America Fund, L. P.          Centennial New York Tax Exempt Trust
Centennial California Tax Exempt Trust  Centennial Tax Exempt Trust
Centennial Government Trust             Oppenheimer Cash Reserves
Centennial Money Market Trust           Oppenheimer Money Market Fund, Inc.

Determination of Net Asset Value Per Share. The net asset value per share of the
Trust is determined twice each day that the New York Stock Exchange ("Exchange")
is open,  at 12:00 Noon and at 4:00 P.M.,  by dividing  the value of the Trust's
net assets by the total number of shares outstanding.  All references to time in
this Statement of Additional Information mean New York time. The Exchange's most
recent  annual  announcement  (which is subject to change)  states  that it will
close on New Year's  Day,  Martin  Luther King Jr. Day,  Presidents'  Day,  Good
Friday,  Memorial  Day,  Independence  Day,  Labor  Day,  Thanksgiving  Day  and
Christmas Day. It may also close on other days.

      The Trust's Board of Trustees has established procedures for the valuation
of the Trust's securities, generally as follows:
      |_| Long-term debt securities having a remaining  maturity in excess of 60
days  are  valued  based  on the mean  between  the  "bid"  and  "asked"  prices
determined by a portfolio  pricing service  approved by the Board of Trustees or
obtained by the Manager  from two active  market  makers in the  security on the
basis of reasonable inquiry.
      |_| The following  securities are valued at the mean between the "bid" and
"asked" prices determined by a pricing service approved by the Board of Trustees
or obtained by the Manager from two active  market makers in the security on the
basis of reasonable inquiry:
            (1) Debt  instruments  having a maturity  of more than 397 days when
            issued,  and (2) non-money market type instruments having a maturity
            of 397 days or less when issued, and have a remaining maturity of 60
            days or less;
      |_| Debt  instruments  held by a money market fund that have a maturity of
397 days or less shall be valued at cost,  adjusted for amortization of premiums
and accretion of discounts; and
      |_|   Securities    (including    restricted    securities)   not   having
readily-available  market  quotations are valued at fair value  determined under
the Board's procedures.

      If the  Manager  is unable to locate  two  market  makers  willing to give
quotes a security may be priced at the mean between the "bid" and "asked" prices
provided by a single  active  market  maker  (which in certain  cases may be the
"bid" price if no "asked" price is available).

      In the case of U.S. Government Securities and mortgage-backed  securities,
where last sale  information  is not  generally  available,  the Manager may use
pricing services approved by the Board of Trustees.  The pricing service may use
"matrix"  comparisons to the prices for  comparable  instruments on the basis of
quality,  yield,  maturity and other special factors involved.  The Manager will
monitor the  accuracy  of the  pricing  services.  That  monitoring  may include
comparing prices used for portfolio valuation to actual sales prices of selected
securities.

How to Sell Shares

The information  below supplements the terms and conditions for redeeming shares
set forth in the Prospectus.

Sending  Redemption  Proceeds by Federal  Funds Wire.  The Federal Funds wire of
redemptions  proceeds may be delayed if the Trust's  custodian  bank is not open
for  business on a day when the Trust would  normally  authorize  the wire to be
made,  which is usually the Trust's next  regular  business  day  following  the
redemption.  In those circumstances,  the wire will not be transmitted until the
next bank business day on which the Trust is open for business. No distributions
will be paid on the  proceeds of redeemed  shares  awaiting  transfer by Federal
Funds wire

Dividends and Taxes

Tax Status of the Trust's Dividends and Distributions. The Federal tax treatment
of the Trust's  dividends  and capital gains  distributions  is explained in the
Prospectus  under the  caption  "Distributions  and Taxes."  Under the  Internal
Revenue Code,  by December 31 each year,  the Trust must  distribute  98% of its
taxable investment income earned from January 1 through December 31 of that year
and 98% of its capital gains realized in the period from November 1 of the prior
year through  October 31 of the current year. It if does not, the Trust must pay
an excise tax on the amounts not distributed.  It is presently  anticipated that
the Trust will meet those requirements.  However,  the Board of Trustees and the
Manager  might  determine  in a  particular  year  that it  would be in the best
interest of shareholders for the Trust not to make distributions at the required
levels and to pay the excise tax on the undistributed amounts. That would reduce
the  amount  of  income  or  capital  gains   available  for   distribution   to
shareholders.   The   Trust's   dividends   will   not  be   eligible   for  the
dividends-received deduction for corporations.

      If the Trust  qualifies  as a  "regulated  investment  company"  under the
Internal Revenue Code, it will not be liable for Federal income taxes on amounts
paid by it as  distributions.  That  qualification  enables  the  Trust to "pass
through" its income and realized capital gains to shareholders without having to
pay tax on them. The Trust  qualified as a regulated  investment  company in its
last fiscal year and intends to qualify in future years,  but reserves the right
not to qualify.  The Internal Revenue Code contains a number of complex tests to
determine whether the Trust qualifies. The Trust might not meet those tests in a
particular  year.  If it does not  qualify,  the Trust will be  treated  for tax
purposes  as an  ordinary  corporation  and will  receive no tax  deduction  for
payments of distributions made to shareholders.

      Dividends, distributions and the proceeds of the redemption of Fund shares
represented  by checks  returned to the Transfer  Agent by the Postal Service as
undeliverable  will be  invested  in shares of the Trust as promptly as possible
after the return of such checks to the  Transfer  Agent,  in order to enable the
investor to earn a return on otherwise idle funds.

Additional Information About the Trust

The Distributor.  The Trust's shares are sold through dealers, brokers and other
financial  institutions that have a sales charge agreement with Centennial Asset
Management   Corporation,   the  Trust's   Distributor.   The  Distributor  also
distributes  shares of the other  Oppenheimer funds and is  sub-distributor  for
funds managed by a subsidiary of the Manager.

The Transfer Agent.  Shareholder  Services,  Inc. the Trust's  Transfer Agent,
is  responsible  for  maintaining   the  Trust's   shareholder   registry  and
shareholder  accounting records, and for paying dividends and distributions to
shareholders  of  the  Trust.  It  also  handles  shareholder   servicing  and
administrative functions.  It is paid on a "at-cost" basis.

The  Custodian.  Citibank,  N.A. is the  Custodian  of the Trust's  assets.  The
Custodian's  responsibilities  include  safeguarding and controlling the Trust's
portfolio  securities  and handling the delivery of such  securities to and from
the Trust.  It will be the practice of the Trust to deal with the Custodian in a
manner uninfluenced by any banking  relationship the Custodian may have with the
Manager and its  affiliates.  The Trust's cash  balances  with the  Custodian in
excess of  $100,000  are not  protected  by  Federal  deposit  insurance.  Those
uninsured balances at times may be substantial.

Independent Auditors.  Deloitte & Touche LLP are the independent auditors of the
Trust.  They audit the Trust's  financial  statements  and perform other related
audit services. They also act as auditors for certain other funds advised by the
Manager and its affiliates.



<PAGE>


                                  Appendix A

                      Description of Securities Ratings

Below is a description of the two highest rating  categories for Short Term Debt
and  Long   Term   Debt  by  the   "Nationally-Recognized   Statistical   Rating
Organizations" which the Manager evaluates in purchasing securities on behalf of
the Trust. The ratings descriptions are based on information supplied by
the ratings organizations to subscribers.

Short Term Debt Ratings.

Moody's Investor Services,  Inc. ("Moody's"):  The following rating designations
for commercial  paper (defined by Moody's as promissory  obligations  not having
original  maturity  in excess of nine  months),  are  judged  by  Moody's  to be
investment grade, and indicate the relative repayment capacity of rated issuers:

      Prime-1:    Superior  capacity for repayment.  Capacity will normally be
                  evidenced  by the  following  characteristics:  (a) leveling
                  market positions in  well-established  industries;  (b) high
                  rates  of  return  on  funds  employed;   (c)   conservative
                  capitalization  structures  with  moderate  reliance on debt
                  and ample  asset  protection;  (d) broad  margins in earning
                  coverage of fixed  financial  charges and high internal cash
                  generation;  and (e) well  established  access to a range of
                  financial   markets   and  assured   sources  of   alternate
                  liquidity.

      Prime-2:    Strong capacity for repayment. This will normally be evidenced
                  by many of the  characteristics  cited  above  but to a lesser
                  degree. Earnings trends and coverage ratios, while sound, will
                  be more subject to variation.  Capitalization characteristics,
                  while  still  appropriate,  may be more  affected  by external
                  conditions. Ample alternate liquidity is maintained.

Moody's  ratings for state and municipal  short-term  obligations are designated
"Moody's Investment Grade" ("MIG").  Short-term notes which have demand features
may also be designated as "VMIG". These rating categories are as follows:

      MIG1/VMIG1: Best   quality.   There  is  present   strong   protection  by
                  established  cash  flows,   superior   liquidity   support  or
                  demonstrated broad-based access to the market for refinancing.

      MIG2/VMIG2: High quality.  Margins of protection  are ample although not
                  so large as in the preceding group.

Standard  &  Poor's  Corporation  ("S&P"):  The  following  ratings  by S&P  for
commercial paper (defined by S&P as debt having an original  maturity of no more
than 365 days) assess the likelihood of payment:


      A-1:        Strong capacity for timely payment. Those issues determined to
                  possess  extremely strong safety  characteristics  are denoted
                  with a plus sign (+) designation.

      A-2:        Satisfactory  capacity  for  timely  payment.  However,  the
                  relative  degree  of  safety  is not as high  as for  issues
                  designated "A-1".

S&P's ratings for Municipal Notes due in three years or less are:

      SP-1:       Very strong or strong  capacity to pay principal and interest.
                  Those  issues  determined  to  possess   overwhelming   safety
                  characteristics will be given a plus (+) designation.

      SP-2:       Satisfactory capacity to pay principal and interest.

S&P assigns "dual  ratings" to all  municipal  debt issues that have a demand or
double  feature as part of their  provisions.  The first  rating  addresses  the
likelihood  of repayment of principal and interest as due, and the second rating
addresses  only the demand  feature.  With  short-term  demand debt,  S&P's note
rating  symbols  are used  with  the  commercial  paper  symbols  (for  example,
"SP-1+/A-1+").

Fitch IBCA, Inc.  ("Fitch"):  Fitch assigns the following  short-term ratings to
debt  obligations  that are  payable on demand or have  original  maturities  of
generally  up to  three  years,  including  commercial  paper,  certificates  of
deposit, medium-term notes, and municipal and investment notes:

      F-1+:       Exceptionally  strong credit quality;  the strongest  degree
                  of assurance for timely payment.

      F-1:        Very strong  credit  quality;  assurance of timely  payment is
                  only slightly less in degree than issues rated "F-1+".

      F-2:        Good credit  quality;  satisfactory  degree of  assurance  for
                  timely  payment,  but the  margin of safety is not as great as
                  for issues assigned "F-1+" or "F-1" ratings.

Duff & Phelps, Inc. ("Duff & Phelps"):  The following ratings are for commercial
paper (defined by Duff & Phelps as obligations with maturities,  when issued, of
under one year), asset-backed commercial paper, and certificates of deposit (the
ratings cover all obligations of the institution with  maturities,  when issued,
of under one year, including bankers' acceptance and letters of credit):

      Duff        1+: Highest certainty of timely payment. Short-term liquidity,
                  including   internal   operating   factors  and/or  access  to
                  alternative  sources of funds, is  outstanding,  and safety is
                  just below risk-free U.S. Treasury short-term obligations.

      Duff 1:     Very high  certainty of timely  payment.  Liquidity  factors
                  are excellent and supported by good  fundamental  protection
                  factors.  Risk factors are minor.

      Duff        1-: High certainty of timely  payment.  Liquidity  factors are
                  strong and supported by good fundamental  protection  factors.
                  Risk factors are very small.

      Duff        2: Good  certainty of timely  payment.  Liquidity  factors and
                  company fundamentals are sound. Although ongoing funding needs
                  may enlarge total  financing  requirements,  access to capital
                  markets is good. Risk factors are small.

Thomson  BankWatch,  Inc. ("TBW"):  The following  short-term ratings apply to
commercial  paper,  certificates  of  deposit,   unsecured  notes,  and  other
securities having a maturity of one year or less.

      TBW-1:      The highest category; indicates the degree of safety regarding
                  timely repayment of principal and interest is very strong.

      TBW-2:      The second highest rating category; while the degree of safety
                  regarding  timely  repayment  of  principal  and  interest  is
                  strong,  the  relative  degree of safety is not as high as for
                  issues rated "TBW-1".

Long Term Debt Ratings.

These  ratings  are  relevant  for  securities  purchased  by the  Trust  with a
remaining  maturity  of 397 days or less,  or for rating  issuers of  short-term
obligations.

Moody's:  Bonds (including municipal bonds) are rated as follows:

      Aaa:        Judged  to be the best  quality.  They  carry  the  smallest
                  degree of investment  risk and are generally  referred to as
                  "gilt edge."  Interest  payments are protected by a large or
                  by  an  exceptionally   stable  margin,   and  principal  is
                  secure.  While the various  protective  elements  are likely
                  to  change,  such  changes  as can be  visualized  are  most
                  unlikely to impair the  fundamentally  strong  positions  of
                  such issues.

      Aa:         Judged  to be of high  quality  by all  standards.  Together
                  with the "Aaa" group they comprise what are generally  known
                  as  high-grade  bonds.  They are rated  lower  than the best
                  bonds because  margins of protection  may not be as large as
                  in "Aaa"  securities or fluctuations of protective  elements
                  may be of greater  amplitude or there may be other  elements
                  present  which  make the  long-term  risks  appear  somewhat
                  larger than in "Aaa" securities.

Moody's  applies  numerical  modifiers  "1",  "2"  and  "3" in its  "Aa"  rating
classification. The modifier "1" indicates that the security ranks in the higher
end of its generic  rating  category;  the  modifier  "2"  indicates a mid-range
ranking; and the modifier "3" indicates that the issue ranks in the lower end of
its generic rating category.

Standard & Poor's:  Bonds (including municipal bonds) are rated as follows:

      AAA:        The  highest  rating  assigned  by  S&P.   Capacity  to  pay
                  interest and repay principal is extremely strong.

      AA:         A strong  capacity to pay interest and repay  principal  and
                  differ from "AAA" rated issues only in small degree.

Fitch IBCA, Inc.:

      AAA:        Considered to be investment  grade and of the highest credit
                  quality.  The obligor has an  exceptionally  strong  ability
                  to pay  interest and repay  principal,  which is unlikely to
                  be affected by reasonably foreseeable events.

      AA:         Considered  to be  investment  grade and of very  high  credit
                  quality.  The  obligor's  ability  to pay  interest  and repay
                  principal  is very  strong,  although  not  quite as strong as
                  bonds  rated  "AAA".  Plus (+) and minus (-) signs are used in
                  the "AA"  category  to  indicate  the  relative  position of a
                  credit within that category.

Because  bonds  rated in the "AAA"  and "AA"  categories  are not  significantly
vulnerable to foreseeable future developments,  short-term debt of these issuers
is generally rated "F-1+".

Duff & Phelps:

      AAA:        The   highest   credit   quality.   The  risk   factors  are
                  negligible,  being  only  slightly  more than for  risk-free
                  U.S. Treasury debt.

      AA:         High credit  quality.  Protection  factors are strong.  Risk
                  is modest but may vary  slightly  from time to time  because
                  of  economic  conditions.  Plus (+) and  minus (-) signs are
                  used in the "AA" category to indicate the relative  position
                  of a credit within that category.

TBW: TBW issues the following  ratings for  companies.  These ratings assess the
likelihood of receiving  payment of principal and interest on a timely basis and
incorporate  TBW's  opinion as to the  vulnerability  of the  company to adverse
developments,  which may impact the market's perception of the company,  thereby
affecting the marketability of its securities.

      A:          Possesses an  exceptionally  strong balance sheet and earnings
                  record,   translating   into  an  excellent   reputation   and
                  unquestioned  access to its natural money markets. If weakness
                  or  vulnerability  exists  in  any  aspect  of  the  company's
                  business,  it is entirely  mitigated  by the  strengths of the
                  organization.

      A/B:        The company is financially  very solid with a favorable  track
                  record and no readily  apparent  weakness.  Its  overall  risk
                  profile, while low, is not quite as favorable as for companies
                  in the highest rating category.


<PAGE>



                                  Appendix B

- ------------------------------------------------------------------------------
                           Industry Classifications
- ------------------------------------------------------------------------------


      Aerospace/Defense                 Food
      Air Transportation                Gas Utilities
      Asset-Backed                      Gold
      Auto Parts Distribution           Health Care/Drugs
      Automotive                        Health Care/Supplies & Services
      Bank Holding Companies            Homebuilders/Real Estate
      Banks                             Hotel/Gaming
      Beverages                         Industrial Services
      Broadcasting                      Information Technology
      Broker-Dealers                    Insurance
      Building Materials                Leasing & Factoring
      Cable Television                  Leisure
      Chemicals                         Limited Purpose Finance
      Commercial Finance                Manufacturing
      Computer Hardware                 Metals/Mining
      Computer Software                 Non-durable  Municipality  Household
      Conglomerates                     Goods
      Consumer Finance                  Oil - Integrated
      Containers                        Paper
      Convenience Stores                Publishing/Printing
      Cosmetics                         Railroads
      Department Stores                 Restaurants
      Diversified Financial             Savings & Loans
      Diversified Media                 Shipping
      Drug Stores                       Special Purpose Financial
      Drug Wholesalers                  Specialty Retailing
      Durable Household Goods           Steel
      Education                         Supermarkets
      Electric Utilities                Telecommunications - Technology
      Electrical Equipment              Telephone - Utility
      Electronics                       Textile/Apparel
      Energy Services & Producers       Tobacco
      Entertainment/Film                Toys
      Environmental                     Trucking
      Foreign Government                Wireless Services


<PAGE>


                                  Exhibit C

- ------------------------------------------------------------------------------
                     AUTOMATIC WITHDRAWAL PLAN PROVISIONS
- ------------------------------------------------------------------------------

By requesting an Automatic  Withdrawal Plan, the shareholder agrees to the terms
and  conditions  applicable to such plans,  as stated below and elsewhere in the
Application for such Plans,  and the Prospectus and this Statement of Additional
Information  as they may be  amended  from time to time by the Trust  and/or the
Distributor.  When adopted, such amendments will automatically apply to existing
Plans.

      Trust shares will be redeemed as necessary  to meet  withdrawal  payments.
Shares  acquired  without a sales charge will be redeemed  first and  thereafter
shares acquired with reinvested  dividends and distributions  followed by shares
acquired  with a sales  charge will be redeemed to the extent  necessary to make
withdrawal  payments.  Depending  upon  the  amount  withdrawn,  the  investor's
principal may be depleted. Payments made to shareholders under such plans should
not be  considered as a yield or income on  investment.  Purchases of additional
shares concurrently with withdrawals are undesirable because of sales charges on
purchases when made.  Accordingly,  a shareholder  may not maintain an Automatic
Withdrawal Plan while simultaneously making regular purchases.

   1.  Shareholder  Services,  Inc.,  the  Transfer  Agent  of the  Trust,  will
administer  the Automatic  Withdrawal  Plan (the "Plan") as agent for the person
(the "Planholder") who executed the Plan authorization and application submitted
to the Transfer Agent.

   2.  Certificates will not be issued for shares of the Trust purchased for and
held under the Plan,  but the Transfer  Agent will credit all such shares to the
account of the  Planholder on the records of the Trust.  Any share  certificates
now held by the Planholder  may be surrendered  unendorsed to the Transfer Agent
with the Plan application so that the shares  represented by the certificate may
be held under the Plan.  Those shares will be carried on the  Planholder's  Plan
Statement.

   3.  Distributions of capital gains must be reinvested in shares of the Trust,
which will be done at net asset value without a sales charge.
Dividends may be paid in cash or reinvested.

   4.  Redemptions of shares in connection  with  disbursement  payments will be
made at the net asset value per share determined on the redemption date.

   5. Checks or ACH payments will be  transmitted  three  business days prior to
the date  selected for receipt of the monthly or quarterly  payment (the date of
receipt is  approximate),  according  to the choice  specified in writing by the
Planholder.

   6. The amount and the  interval of  disbursement  payments and the address to
which  checks are to be mailed may be changed at any time by the  Planholder  on
written notification to the Transfer Agent. The Planholder should allow at least
two weeks' time in mailing such notification  before the requested change can be
put in effect.

   7. The  Planholder  may, at any time,  instruct the Transfer Agent by written
notice (in proper form in accordance  with the  requirements of the then current
Prospectus  of the Trust) to redeem  all,  or any part of, the shares held under
the Plan.  In such case,  the  Transfer  Agent will  redeem the number of shares
requested  at the net asset  value per  share in effect in  accordance  with the
Trust's usual  redemption  procedures  and will mail a check for the proceeds of
such redemption to the Planholder.

   8. The Plan may, at any time,  be  terminated  by the  Planholder  on written
notice to the Transfer Agent, or by the Transfer Agent upon receiving directions
to that effect from the Trust.  The Transfer  Agent will also terminate the Plan
upon receipt of evidence  satisfactory to it of the death or legal incapacity of
the Planholder. Upon termination of the Plan by the Transfer Agent or the Trust,
shares  remaining  unredeemed will be held in an  uncertificated  account in the
name   of   the    Planholder,    and   the   account   will   continue   as   a
dividend-reinvestment,   uncertificated   account   unless   and  until   proper
instructions are received from the Planholder,  his executor or guardian,  or as
otherwise appropriate.

   9. For  purposes  of using  shares  held  under the Plan as  collateral,  the
Planholder may request issuance of a portion of his shares in certificated form.
Upon written request from the Planholder,  the Transfer Agent will determine the
number of shares as to which a certificate may be issued, so as not to cause the
withdrawal checks to stop because of exhaustion of uncertificated  shares needed
to continue payments.  Should such uncertificated shares become exhausted,  Plan
withdrawals will terminate.

   10. The Transfer  Agent shall incur no liability  to the  Planholder  for any
action taken or omitted by the Transfer Agent in good faith.

   11. In the event that the Transfer Agent shall cease to act as transfer agent
for the Trust,  the  Planholder  will be deemed to have  appointed any successor
transfer agent to act as his agent in administering the Plan.


<PAGE>



- ------------------------------------------------------------------------------
Centennial Money Market Trust
- ------------------------------------------------------------------------------

Investment Advisor and Distributor
Centennial Asset Management Corporation
6803 South Tucson Way
Englewood, Colorado 80112

Sub-Distributor
OppenheimerFunds Distributor, Inc.
P.O. Box 5254
Denver, Colorado 80217

Transfer Agent
Shareholder Services, Inc.
P.O. Box 5143
Denver, Colorado 80217
1-800-525-9130

Custodian of Portfolio Securities
Citibank, N.A.
399 Park Avenue
New York, New York 10043

Independent Auditors
Deloitte & Touche LLP
555 Seventeenth Street
Denver, Colorado 80202

Legal Counsel
Myer, Swanson, Adams & Wolf, P.C.
1600 Broadway
Denver, Colorado 80202
                                                       PX0150.001.0599



    
<PAGE>

   


                          CENTENNIAL MONEY MARKET TRUST

                                    FORM N-1A

                                     PART C

                                OTHER INFORMATION


Item 23.  Exhibits

(a) Restated Declaration of Trust dated February 26, 1986: Previously filed with
Registrant's  Post-Effective  Amendment  No. 14  (10/28/88),  and  refiled  with
Registrant's Post-Effective Amendment No. 21 (10/28/94), pursuant to Item 102 of
Regulation S-T, and incorporated herein by reference.

(b)  By-Laws,   as  amended  through  June  26,  1990:   Previously  filed  with
Registrant's  Post-Effective  Amendment  No. 18  (10/31/91),  and  refiled  with
Registrant's Post Effective Amendment No. 21 (10/28/94), pursuant to Item 102 of
Regulation S-T, and incorporated herein by reference.

(c) Not applicable.

(d) Amended and Restated  Investment Advisory Agreement dated November 21, 1997:
Previously filed with Registrant's  Post Effective  Amendment No. 25 (10/28/98),
pursuant to Item 102 of Regulation S-T and incorporated herein by reference.

(e)   (i)   General   Distributor's   Agreement  Centennial  Asset  Management
      Corporation  dated October 13, 1992:  Previously filed with Registrant's
      Post Effective  Amendment No. 20 (10/29/93),  and incorporated herein by
      reference.

      (ii)  Sub-Distributor's  Agreement  between  Centennial Asset Management
      Corporation and OppenheimerFunds  Distributor,  Inc. dated May 28, 1993:
      Previously filed with  Post-Effective  Amendment No. 20 (10/29/93),  and
      incorporated herein by reference.

      (iii) Form  of  Dealer   Agreement  of   Centennial   Asset   Management
      Corporation:  Previously filed with  Post-Effective  Amendment No. 23 of
      Centennial   Government  Trust  (Reg.  No.  2-75912),   (11/1/94),   and
      incorporated herein by reference.

(f)   Form   of   Deferred    Compensation    Agreement   for    Disinterested
Trustees/Directors:   Filed  with  Post-Effective  Amendment  No.  40  to  the
Registration  Statement of  Oppenheimer  High Yield Fund (Reg.  No.  2-62076),
(10/27/98), and incorporated herein by reference.

(g)  Custodian  Agreement.   dated  October  28,  1981:  Previously  filed  with
Registrant's  Post-Effective Amendment No. 4 (1/5/83), refiled with Registrant's
Post-Effective  Amendment No. 21 (10/28/94),  pursuant to Item 102 of Regulation
S-T and incorporated herein by reference.

(h) Not applicable.

(i)   (i) Opinion and Consent of Counsel dated  September  22, 1981:  Previously
      filed with Registrant's Post-Effective Amendment No. 3 (9/29/81),  refiled
      with Registrant's Post-Effective Amendment No. 21 (10/28/94),  pursuant to
      Item 102 of Regulation S-T and incorporated herein by reference.

(j) Independent Auditors Consent: To be filed by Post-Effective Amendment.

(k) Not applicable.

(l) Not applicable.

(m)  Service  Plan  and  Agreement  between   Registrant  and  Centennial  Asset
Management  Corporation under Rule 12b-1 dated August 24, 1993: Previously filed
with Registrant's  Post-Effective Amendment No. 20, (10/29/93), and incorporated
herein by reference.

(n) Financial Data Schedule: To be filed by Post-Effective Amendment.

(o)  Oppenheimer  Funds Multiple  Class Plan under Rule 18f-3:  Plan for Class A
shares. To be filed by Post-Effective Amendment.

- --    Powers of Attorney (including  Certified Board resolutions):  Filed with
Registrant's  Post-Effective  Amendment No. 25 (10/28/98) George Bowen;  Filed
with Registrant's  Post Effective  Amendment No. 23 (10/8/96) Sam Freedman and
Bridget  Macaskill  and with  Registrant's  Post  Effective  Amendment  No. 20
(10/29/93) (all others), and incorporated herein by reference.

Item 24.  Persons Controlled by or Under Common Control with the Fund

None.

Item 25.  Indemnification

      Reference  is made to the  provisions  of  Article  Seven of  Registrant's
Amended  and  Restated  Declaration  of  Trust  filed as  Exhibit  23(a) to this
Registration Statement, and incorporated herein by reference.

      Insofar as  indemnification  for liabilities  arising under the Securities
Act of 1933 may be permitted to trustees,  officers and  controlling  persons of
Registrant  pursuant to the foregoing  provisions or otherwise,  Registrant  has
been advised that in the opinion of the Securities and Exchange  Commission such
indemnification  is against  public policy as expressed in the Securities Act of
1933  and  is,  therefore,   unenforceable.  In  the  event  that  a  claim  for
indemnification  against such liabilities  (other than the payment by Registrant
of expenses  incurred  or paid by a trustee,  officer or  controlling  person of
Registrant  in the  successful  defense of any action,  suit or  proceeding)  is
asserted by such trustee, officer or controlling person, Registrant will, unless
in the  opinion  of its  counsel  the matter  has been  settled  by  controlling
precedent,  submit to a court of appropriate  jurisdiction  the question whether
such  indemnification  by it is  against  public  policy  as  expressed  in  the
Securities  Act of 1933 and will be governed by the final  adjudication  of such
issue.

Item 26.  Business and Other Connections of Investment Adviser

(a) Centennial  Asset  Management  Corporation is the investment  adviser of the
Registrant;  it and certain subsidiaries and affiliates act in the same capacity
to other  registered  investment  companies as described in Parts A and B hereof
and listed in Item 28(b) below.

(b) There is set forth below  information as to any other business,  profession,
vocation  or  employment  of a  substantial  nature in which  each  officer  and
director of Centennial  Asset  Management  Corporation is, or at any time during
the past two fiscal  years has been,  engaged  for his/her own account or in the
capacity of director, officer, employee, partner or trustee.

Name and Current Position
with Centennial Asset               Other Business and Connections
Management Corporation              During the Past Two Years

George C. Bowen,
Senior Vice President,
Treasurer and Director              Vice  President   (since  June  1983)  and
                                    Treasurer    (since    March    1985)   of
                                    OppenheimerFunds  Distributor,  Inc.  (the
                                    "Distributor");   Vice  President   (since
                                    October 1989) and  Treasurer  (since April
                                    1986)   of   HarbourView;    Senior   Vice
                                    President     (since    February    1992),
                                    Treasurer   (since   July   1991)   and  a
                                    director    (since   December   1991)   of
                                    Centennial  Asset  Management  Corporation
                                    ("Centennial");  President,  Treasurer and
                                    a   director   of    Centennial    Capital
                                    Corporation   (since  June   1989);   Vice
                                    President  and  Treasurer   (since  August
                                    1978) and Secretary  (since April 1981) of
                                    Shareholder  Services,  Inc. ("SSI"); Vice
                                    President,   Treasurer  and  Secretary  of
                                    Shareholder   Financial   Services,   Inc.
                                    ("SFSI") (since November 1989);  Assistant
                                    Treasurer   of   Oppenheimer   Acquisition
                                    Corp.   ("OAC")   (since   March,   1998);
                                    Treasurer   of   Oppenheimer   Partnership
                                    Holdings,   Inc.  (since  November  1989);
                                    Vice  President  and  Treasurer  of  ORAMI
                                    (since  July  1996);  an  officer of other
                                    Oppenheimer funds.

Michael Carbuto,
Vice President                      An  officer  and/or  portfolio  manager of
                                    certain  Oppenheimer funds; Vice President
                                    of Centennial.

Andrew J. Donohue,
Executive Vice President,
General Counsel and Director        Executive Vice President  (since September
                                    1993),   and  a  director  (since  January
                                    1992) of the  Distributor;  Executive Vice
                                    President,  General Counsel and a director
                                    of HarbourView,  SSI, SFSI and Oppenheimer
                                    Partnership    Holdings,     Inc.    since
                                    (September   1995);    President   and   a
                                    director of  Centennial  (since  September
                                    1995);  President  and a director of ORAMI
                                    (since July 1996);  General Counsel (since
                                    May  1996)  and  Secretary   (since  April
                                    1997) of OAC; Vice  President and Director
                                    of  OppenheimerFunds  International,  Ltd.
                                    ("OFIL") and Oppenheimer  Millennium Funds
                                    plc (since  October  1997);  an officer of
                                    other Oppenheimer funds.

Katherine P. Feld,
Vice President and
Secretary                           Vice   President   and  Secretary  of  the
                                    Distributor;   Secretary  of  HarbourView,
                                    and Centennial;  Secretary, Vice President
                                    and   Director   of   Centennial   Capital
                                    Corporation;  Vice President and Secretary
                                    of ORAMI.

Carol Wolf,
Vice President                      An  officer  and/or  portfolio  manager of
                                    certain  Oppenheimer funds; Vice President
                                    of  OFI;   Vice   President   Finance  and
                                    Accounting;   Point  of  Contact:  Finance
                                    Supporters  of  Children:  Member  of  the
                                    Oncology  Advisory Board of the Children's
                                    Hospital.

Arthur Zimmer,
Vice President                      An  officer  and/or  portfolio  manager of
                                    certain  Oppenheimer funds; Vice President
                                     of OFI.

The  Oppenheimer  Funds  include the New  York-based  Oppenheimer  Funds,  the
Denver-based  Oppenheimer Funds and the Oppenheimer  Quest/Rochester Funds, as
set forth below:

New York-based Oppenheimer Funds

Oppenheimer  California  Municipal Fund 
Oppenheimer  Capital  Appreciation  Fund
Oppenheimer  Developing  Markets Fund 
Oppenheimer  Discovery  Fund  
Oppenheimer  Enterprise Fund  
Oppenheimer  Europe Fund  
Oppenheimer  Global Fund  
Oppenheimer  Global Growth & Income Fund 
Oppenheimer  Gold & Special Minerals Fund 
Oppenheimer  Growth Fund  
Oppenheimer  International  Growth Fund  
Oppenheimer  International Small Company Fund 
Oppenheimer  Large Cap Growth Fund 
Oppenheimer  Money Market Fund,  Inc.  
Oppenheimer  Multi-Sector  Income  Trust  
Oppenheimer  Multi-State Municipal Trust
Oppenheimer  Multiple Strategies Fund 
Oppenheimer  Municipal Bond Fund  
Oppenheimer  New  York  Municipal  Fund  
Oppenheimer  Series  Fund,  Inc.
Oppenheimer  U.S. Government Trust 
Oppenheimer  World Bond Fund

Quest/Rochester Funds

Limited Term New York Municipal Fund
Oppenheimer Convertible Securities Fund
Oppenheimer MidCap Fund
Oppenheimer Quest Capital Value Fund, Inc.
Oppenheimer Quest For Value Funds
Oppenheimer Quest Global Value Fund, Inc.
Oppenheimer Quest Value Fund, Inc.
Rochester Fund Municipals

Denver-based Oppenheimer Funds

Centennial America Fund, L.P. 
Centennial California Tax Exempt Trust 
Centennial Government  Trust  
Centennial Money Market Trust 
Centennial New York Tax Exempt Trust 
Centennial Tax Exempt Trust
Oppenheimer Cash Reserves
Oppenheimer Champion Income  Fund  
Oppenheimer Equity  Income  Fund  
Oppenheimer High  Yield  Fund
Oppenheimer Integrity Funds  
Oppenheimer International  Bond Fund  
Oppenheimer Limited-Term  Government Fund  
Oppenheimer Main Street Funds, Inc.  
Oppenheimer Municipal Fund  
Oppenheimer Real Asset Fund  
Oppenheimer Strategic Income Fund
Oppenheimer Total Return Fund, Inc.  
Oppenheimer Variable Account Funds
Panorama Series Fund, Inc.

The address of OppenheimerFunds, Inc., the New York-based Oppenheimer Funds, the
Quest Funds,  OppenheimerFunds  Distributor,  Inc., HarbourView Asset Management
Corp., Oppenheimer Partnership Holdings, Inc., and Oppenheimer Acquisition Corp.
is Two World Trade Center, New York, New York 10048-0203.

The  address  of  the  Denver-based  Oppenheimer  Funds,  Shareholder  Financial
Services,   Inc.,  Shareholder  Services,   Inc.,   OppenheimerFunds   Services,
Centennial  Asset  Management   Corporation,   Centennial   Capital  Corp.,  and
Oppenheimer  Real Asset  Management,  Inc. is 6803 South Tucson Way,  Englewood,
Colorado 80112.

The address of the Rochester-based funds is 350 Linden Oaks, Rochester, New York
14625-2807.

Item 27.  Principal Underwriter

(a) Centennial Asset  Management  Corporation is the Distributor of Registrant's
shares.  It is also the  Distributor  of each of the other  registered  open-end
investment  companies for which Centennial  Asset Management  Corporation is the
investment adviser, as described in Part A and B of this Registration  Statement
and listed in Item 28(b) above.

(b) The directors and officers of the Registrant's principal underwriter are:

                                                   Positions and
Name & Principal           Positions & Offices     Offices with
Business Address           with Underwriter        Registrant

George C. Bowen(2)         Director, Senior Vice   Vice President ,
                           President, Treasurer and   Treasurer and
                           Assistant Secretary     Assistant Secretary

Michael Carbuto(1)         Vice President          Vice President of
                                                   Centennial
                                                   California Tax Exempt
                                                   Trust,
                                                   Centennial New York Tax
                                                   Exempt Trust,  and
                                                   Centennial
                                                   Tax Exempt Trust

Andrew J. Donohue(1)       President and Director  Vice President and
Secretary

Katherine P. Feld(1)       Secretary               None

Carol Wolf(2)              Vice President          Vice President of
                                                   Centennial
                                                   Government Trust,
                                                   Centennial
                                                   Money Market Trust and
                                                   Centennial America  Fund,
                                                   L.P.

Arthur Zimmer(2)           Vice President          Vice President of
                                                   Centennial
                                                   Government Trust,
                                                   Centennial
                                                   Money Market Trust and
                                                   Centennial America Fund,
                                                   L.P.
- -----------------------
(1) Two World Trade Center, New York, NY 10048-0203
(2) 6803 South Tucson Way, Englewood, CO 80112

      (c)  Not applicable.

Item 28.  Location of Accounts and Records
The accounts,  books and other documents required to be maintained by Registrant
pursuant  to  Section  31(a) of the  Investment  Company  Act of 1940 and  rules
promulgated  thereunder are in the possession of  OppenheimerFunds,  Inc. at its
offices at 6803 South Tucson Way, Englewood, Colorado 80112.

Item 29.  Management Services

Not applicable

Item 30.  Undertakings

Not applicable.




<PAGE>


                                   SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and/or the Investment
Company Act of 1940, the Registrant has duly caused this Registration  Statement
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
County of Arapahoe and State of Colorado on the 17th day of March, 1999.

                                                 CENTENNIAL MONEY MARKET TRUST


                                             By:  /s/ James C. Swain         *
                                                 ------------------------------
                                                 James C. Swain, Chairman

Pursuant to the  requirements of the Securities Act of 1933,  this  Registration
Statement  has been signed below by the following  persons in the  capacities on
the dates indicated:

Signatures                          Title                   Date

/s/ James C. Swain*                 Chairman of the         March 17, 1999
- ------------------------------------Board of Trustees
James C. Swain                      Principal Executive
                                    Officer and Trustee

/s/ George C. Bowen*                Chief Financial and     March 17, 1999
- ------------------------------------Accounting Officer,
George C. Bowen                     Vice President,
                                    Assistant Secretary,
                                    Treasurer and Trustee

/s/ Bridget A. Macaskill*           President and           March 17, 1999
- ------------------------------------Trustee
Bridget A. Macaskill

/s/ Robert G. Avis*                 Trustee                 March 17, 1999
- -------------------------------------
Robert G. Avis

/s/ William A. Baker*               Trustee                 March 17, 1999
- -------------------------------------
William A. Baker

/s/ Charles Conrad, Jr.*            Trustee                 March 17, 1999
- -------------------------------------
Charles Conrad, Jr.

/s/ Sam Freedman*                   Trustee                 March 17, 1999
- -------------------------------------
Sam Freedman

/s/ Jon S. Fossel                   Trustee                 March 17, 1999
- -------------------------------------
Jon S. Fossel

/s/ Raymond J. Kalinowski*          Trustee                 March 17, 1999
- -------------------------------------
Raymond J. Kalinowski

/s/ C. Howard Kast*                 Trustee                 March 17, 1999
- -------------------------------------
C. Howard Kast

/s/ Robert M. Kirchner*             Trustee                 March 17, 1999
- -------------------------------------
Robert M. Kirchner

/s/ Ned M. Steel*                   Trustee                 March 17, 1999
- -------------------------------------
Ned M. Steel

*By:  /s/ Robert G. Zack
- --------------------------------
Robert G. Zack, Attorney-in-Fact

    


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