CENTENNIAL TAX EXEMPT TRUST /CO/
485APOS, 1999-08-27
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                                                        Registration No. 2-69653
                                                               File No. 811-3104

                       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. 33                                            [X]

                                     and/or

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

Amendment No. 30                                                           [X]

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                           CENTENNIAL TAX EXEMPT TRUST
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                  (Exact Name of Registrant as Specified in Charter)

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

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

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                             Andrew J. Donohue, Esq.
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                             OppenheimerFunds, Inc.
                Two World Trade Center, New York, New York 10048-0203
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                     (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 October 28, 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>


Centennial Tax Exempt Trust


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Prospectus dated November 1, 1999

                                         Centennial  Tax Exempt Trust is a money
                                         market   mutual  fund.   It  seeks  the
                                         maximum   short-term   interest  income
                                         exempt from  federal  income taxes 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.     This
                                         Prospectus      contains      important
                                         information     about    the    Trust's
                                         objective,   its  investment  policies,
                                         strategies and risks. It also the
As with all mutual funds,                contains important  information  about
Securities and  Exchange  Commission has how to buy and sell shares of the
not approved or disapproved the Trust's  Trust and other account features.
securities nor has it determined  that   Please  read this Prospectus carefully
this  Prospectus is accurate             or before you invest and keep it for
complete. It is a criminal offense       to future reference about your account.
represent otherwise.
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<PAGE>


2

CONTENTS

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

                  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

                  A P P E N D I X
                  (to  prospectuses of Centennial Money Market Trust, Centennial
                  Tax Exempt Trust and Centennial Government Trust)

                  How the Trusts are Managed

                  How to Buy Shares

                  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 seeks the maximum short-term
interest  income exempt from federal  income taxes 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 that is exempt
from  federal  income  taxes.   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,  commercial paper,  other corporate debt obligations and government
debt obligations.

WHO IS THE TRUST  DESIGNED FOR? The Trust may be  appropriate  for investors who
are seeking  income  exempt from federal  income  taxes at current  money market
rates while  preserving the value of their  investment.  The Trust is managed to
keep its share price stable at $1.00.  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 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. If there is a high redemption demand for the Trust's shares that
was not anticipated,  portfolio  securities might have to be sold prior to their
maturity at a loss. 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.

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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 Trust's performance from year to year for the last ten
calendar  years and  average  annual  total  returns 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 (as of 12/31 each year)

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

For the period from 1/1/99 through 9/30/99 the cumulative  total return was __%.
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
' ).

                                                5 Years         10 Years
Average Annual Total Returns                    (or life of     (or life of
for the periods ending December 31,   1 Year    class,          class,
1998                                            if less)        if less)
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Centennial Tax Exempt Trust                %         %               %
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The returns in the table measure the  performance of a hypothetical  account and
assume that all dividends have been reinvested in additional  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,  please call the  Transfer  Agent
toll-free at 1-800-525-9310.
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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 shares of the Trust.  The numbers below are based upon the Trust's expenses
during the fiscal year ended June 30, 1999.

SHAREHOLDER  FEES. The Trust does not charge any shareholder  fees in connection
with the offer of its shares.

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

 ------------------------------------------------------------------------------
 Management Fees                                             %
 ------------------------------------------------------------------------------
 ------------------------------------------------------------------------------
 Service (12b-1) Fees                                        %
 ------------------------------------------------------------------------------
 ------------------------------------------------------------------------------
 Other Expenses                                              %
 ------------------------------------------------------------------------------
 ------------------------------------------------------------------------------
 Total Annual Operating Expenses                             %
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"Other expenses" in the table include  transfer agent fees,  custodial fees, and
accounting and legal expenses the Trust pays.

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  periods  indicated
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
  -----------------------------------------------------------------------------
  -----------------------------------------------------------------------------
                                $           $           $          $
  -----------------------------------------------------------------------------

About the Trust's Investments

THE TRUST'S PRINCIPAL  INVESTMENT  POLICIES.  In seeking the maximum  short-term
interest  income exempt from federal  income taxes that is  consistent  with low
capital risk and the  maintenance of liquidity,  the Trust invests in short-term
money market securities meeting quality,  maturity and diversification 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.

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  instruments  are  high-quality,  short-term  debt
   instruments that may be issued by the U.S.  government,  domestic and foreign
   corporations,  banks or other  entities.  They may have  fixed,  variable  or
   floating  interest  rates.  The Trust normally  invests 100% of its assets in
   municipal  securities.  It will not make any investment  that will reduce the
   portion of its total assets that are invested in municipal securities to less
   than 80%.  The balance of the Trust's  assets may be invested in  investments
   the income from which may be taxable. The Trust's taxable investments include
   repurchase agreements, municipal securities issued to benefit a private user,
   and certain  temporary  investments.  These  investments  are described below
   under  "Other  Investment  Strategies"  or in  the  Statement  of  Additional
   Information.

o    Municipal Securities.  The Trust buys municipal bonds and notes, tax-exempt
     commercial  paper,  certificates of  participation  in municipal leases and
     other  debt  obligations.   These  are  debt  obligations   issued  by  the
     governments of states, their political  subdivisions (such as cities, towns
     and  counties),  or  the  District  of  Columbia,  or  by  their  agencies,
     instrumentalities and authorities,  if the interest paid on the security is
     not subject to federal individual income tax in the opinion of bond counsel
     to the issuer.  All of these types of debt  obligations  are referred to as
     "municipal  securities"  in this  Prospectus.  All municipal  securities in
     which the Trust invests must have, or,  pursuant to regulations  adopted by
     the  Securities  and  Exchange  Commission,  be deemed  to have,  remaining
     maturities of 397 days or less at the date the Trust purchases them.

      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.

What Credit Quality, Maturity and Diversification Standards Apply to the Trust's
   Investments?  The  Trust  may buy only  those  securities  that  meet  credit
   quality, maturity and diversification 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 and the remaining maturity of any
   portfolio  investment  may not exceed  397 days.  The Board of  Trustees  has
   adopted  procedures to evaluate  securities for the Trust's  portfolio  under
   those  standards and the Manager has the  responsibility  to implement  those
   procedures when selecting investments for the Trust.

      In general, those procedures require that the Trust hold only money market
instruments  that  are  rated  in one  of  the  two  highest  short-term  rating
categories  of two  national  rating  organizations  or  unrated  securities  of
comparable  quality.  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.

Canthe Trust's  Investment  Objective and Policies Change?  The Trust's Trustees
   can 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.  An investment  policy is 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 can also use the
investment  techniques and strategies  described below. The Trust may not always
use all of the 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.

Temporary  Investments.  The Trust  may hold the  following  types of  temporary
   investments:  (i) obligations issued or guaranteed by the U.S.  Government or
   its agencies or  instrumentalities;  (ii) bankers acceptances;  (iii) taxable
   commercial paper rated in the highest category by a Rating Organization; (iv)
   short-term  taxable debt  obligations  rated in one of the two highest rating
   categories  of a Rating  Organization;  or (v)  certificates  of  deposit  of
   domestic  banks  with  assets  of $1  billion  or more,  and (vi)  repurchase
   agreements. The income from these investments may be taxable.

Floating  Rate/Variable  Rate Notes. Some of the municipal  securities 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 397 days or less; if their maturity is greater than 397
   days,  they may be  purchased  if the Trust is able to recover the  principal
   amount of the  underlying  security at specified  intervals not exceeding 397
   days and upon no more than 30 days' notice.  Such  obligations may be secured
   by bank  letters  of  credit  or  other  credit  support  arrangements  which
   guarantee payment.

"When-Issued"  and  "Delayed-Delivery"  Transactions.  The  Trust  can  purchase
   municipal  securities on a "when-issued"  basis and may purchase or sell such
   securities on a "delayed-  delivery"  basis.  These terms refer to securities
   that  have been  created  and for  which a market  exists,  but which are not
   available  for  immediate  delivery.  The Trust  does not intend to make such
   purchases for  speculative  purposes.  During the period between the purchase
   and settlement,  no payment is made for the security and no interest  accrues
   to the buyer from the investment. There is a risk of loss to the Trust if the
   value of the security declines prior to the settlement date.

Municipal  Lease  Obligations.  Municipal  leases  are used by state  and  local
   government  authorities  to  obtain  funds  to  acquire  land,  equipment  or
   facilities.  The  Trust may  invest in  certificates  of  participation  that
   represent a  proportionate  interest in payments made under  municipal  lease
   obligations. If the government stops making payments or transfers its payment
   obligations to a private  entity,  the obligation  could lose value or become
   taxable.  Some of these  obligations  might not have an active trading market
   and would be subject to the Trust's limits on "illiquid" securities described
   below.  From time to time the Trust may invest more than 5% of its net assets
   in municipal lease  obligations  that the Manager has determined to be liquid
   under guidelines set by the Trust's Board of Trustees.

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 ordinarily 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.  However,  when the Trust  assumes a
   temporary defensive position,  there is no limit on the amount of the Trust's
   assets  that may be subject to  repurchase  agreements  having a maturity  of
   seven  days  or  less.  Income  earned  on  repurchase  transactions  is  not
   tax-exempt.  The Trust  normally  will limit its  investments  in  repurchase
   transactions to 20% of its total assets.

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 and other  securities
   that are not  readily  marketable.  That  limit  generally  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. However, if there is
   a lack of  trading  interest  in such  securities,  those  securities  may be
   illiquid.  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.

Demand Features and Guarantees. The Trust may invest a significant percentage of
   its assets in municipal  securities that have demand features,  guarantees or
   similar  credit and  liquidity  enhancements.  A demand  feature  permits the
   holder of the security to sell the security within a specified period of time
   at a stated  price and  entitles  the  holder of the  security  to receive an
   amount equal to the  approximate  amortized cost of the security plus accrued
   interest.  These  securities  are  described in the  Statement of  Additional
   Information.

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  might  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  might  have a
negative  effect on the services  they provide to the Trust.  The extent of that
risk cannot be ascertained at this time.

A P P E N D I X

This  Appendix is part of the  Prospectuses  of  Centennial  Money Market Trust,
Centennial Tax Exempt Trust and Centennial Government Trust. Each is referred to
in this  Appendix  as a "Trust"  and they are  collectively  referred  to as the
"Trusts".  Unless otherwise indicated,  the information in this Appendix applies
to each Trust.

How the Trusts are Managed

THE  MANAGER.  The  investment  adviser  for of the Trusts is  Centennial  Asset
Management  Corporation.  The Manager is responsible  for selecting each Trust's
investments  and handling its day-to-day  business.  The Manager carries out its
duties with respect to each Trust,  subject to the policies  established  by the
Board of  Trustees,  under an  Investment  Advisory  Agreement  which states the
Manager's responsibilities. Each 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. As of June 30, 1999,  the Manager
and its affiliates  managed assets of more than $110 billion,  including private
accounts  and  investment  companies  having  more  than 5  million  shareholder
accounts. The Manager is located at 6803 South Tucson Way, Englewood, CO 80112.

Portfolio  Managers.  Carol E.  Wolf and  Arthur  J.  Zimmer  are the  portfolio
     managers of Centennial Money Market Trust and Centennial  Government 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. Michael
     Carbuto has been the portfolio manager of Centennial Tax Exempt Trust since
     October 1987. Mr. Carbuto is a Vice President of OppenheimerFunds, Inc. and
     is an officer  and  portfolio  manager of other funds for which the Manager
     serves as investment adviser.

Advisory Fees. The  management  fee is payable  monthly to the Manager under the
   terms of each Trust's Investment Advisory Agreement.  That fee is computed on
   the average annual net assets of the respective Trust as of the close of each
   business day. See the Statement of Additional  Information for an explanation
   of the Manager's reimbursement  arrangement for the Trusts set forth in their
   Agreements.

      The annual  rates  applicable  to  Centennial  Money  Market  Trust are as
follows: 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, 1999 was ___% of the
Trust's average annual net assets.

      The annual rates applicable to Centennial Government Trust are as follows:
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;  and 0.400% of the next $250 million of net assets;
0.375% of the next $250 million of net assets and 0.350% of net assets in excess
of $1.5 billion.

      The annual rates applicable to Centennial Tax Exempt Trust are as follows:
0.500% of the first $250 million of net assets;  0.475% of the next $250 million
of net assets; 0.45% 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,
under  Centennial  Tax Exempt  Trust's  Agreement,  when the value of Tax Exempt
Trust's  net assets is less than $1.5  billion,  the  annual fee  payable to the
Manager shall be reduced by $100,000 based on average net assets  computed daily
and paid  monthly at the annual  rates,  but in no event shall the annual fee be
less than $0. See the Statement of Additional  Information for an explanation of
the  Manager's  reimbursement  arrangement  for the  Trusts  set  forth in their
Agreements.

How to Buy Shares

AT WHAT PRICE ARE SHARES SOLD?  Shares of each Trust 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 a 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 as described below.

HOW MUCH  MUST  YOU  INVEST?  You can open an  account  with a  minimum  initial
investment described below depending on how you buy and pay for your shares, and
you can make  additional  investments  at any time with as  little  as $25.  The
minimum investment  requirements do not apply to reinvesting  distributions from
the Trust or other Oppenheimer funds (a list of them appears in the Statement of
Additional  Information,  or you can ask your dealer or call the Transfer Agent)
or  reinvesting  distributions  from  unit  investment  trusts  that  have  made
arrangements with the Distributor.

HOW ARE SHARES PURCHASED?  Investors can buy shares in one of several ways:

      1. Buying  Shares  Through a Dealer's  Automatic  Purchase and  Redemption
         Program:  Investors can buy shares of a Trust  through a  broker-dealer
         that  has  a  sales   agreement   with  that  Trust's   Distributor  or
         Sub-Distributor that allows shares to be purchased through the dealer's
         Automatic  Purchase and  Redemption  Program.  Shares of each Trust are
         sold  mainly to  customers  of  participating  dealers  that  offer the
         Trusts'  shares  under  these  special   purchase   programs.   If  you
         participate in an Automatic Purchase and Redemption Program established
         by your  dealer,  your dealer buys shares of the Trust for your account
         with the dealer.  Program participants should also read the description
         of the program provided by their dealer.

      2. Buying Shares Through Your Dealer:  Investors who do not participate in
         an Automatic  Purchase and Redemption Program may buy shares of a Trust
         through  any  broker-dealer   that  has  a  sales  agreement  with  the
         Distributor or the  Sub-Distributor.  Your dealer will place your order
         with the Distributor on your behalf.

      3. Buying  Shares  Directly  Through the  Distributor:  Investors can also
         purchase shares directly through the Trusts' Distributor. Investors who
         make purchases directly and hold shares in their own names are referred
         to as "Direct Investors" in this Prospectus.

      The Distributor may appoint  certain  servicing  agents to accept purchase
(and  redemption)  orders,   including   broker-dealers  that  have  established
Automatic  Purchase  and  Redemption  Programs.  The  Distributor,  in its  sole
discretion, may reject any purchase order for shares of a Trust.

HOW ARE SHARES PURCHASED THROUGH AUTOMATIC PURCHASE AND REDEMPTION PROGRAMS?  If
you buy shares through your  broker-dealer's  Automatic  Purchase and Redemption
Program,  your  broker-dealer  will buy your shares of a Trust for your  Program
Account and will hold your shares in your broker-dealer's  name. These purchases
will be made under the procedures  described in "Guaranteed Payment" below. Your
Automatic  Purchase and Redemption  Program Account may have minimum  investment
requirements established by your broker-dealer.  You should direct all questions
about your  Automatic  Purchase and  Redemption  Program to your  broker-dealer,
because the Trusts'  transfer  agent does not have access to  information  about
your account under that Program.

Guaranteed Payment  Procedures.  Some  broker-dealers may have arrangements with
   the Distributor to enable them to place purchase orders for shares of a Trust
   and to guarantee that the Trust's  custodian bank will receive  Federal Funds
   to pay for the shares prior to specified times.  Broker-dealers whose clients
   participate  in  Automatic  Purchase  and  Redemption  Programs may use these
   guaranteed payment procedures to pay for purchases of shares of a Trust.

      1. If the  Distributor  receives a purchase  order  before 12:00 Noon on a
         regular  business  day with the  dealer's  guarantee  that the  Trust's
         custodian  bank will receive  payment for those shares in Federal Funds
         by 2:00 P.M.  on that same day,  the order will be  effected at the net
         asset value  determined at 12:00 Noon that day. (All references to time
         in this Prospectus mean "New York time.")  Distributions  will begin to
         accrue on the shares on that day if the Federal  Funds are  received by
         the required time.

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

      3. If the  Distributor  receives a purchase  order  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 bank will receive  payment for those shares
         in Federal Funds by 4:00 P.M. the next regular  business day, the order
         will be effected at the net asset value  determined at 4:00 P.M. on the
         day the order is received and distributions will begin to accrue on the
         shares  purchased on the next regular business day if the Federal Funds
         are received by the required time.

HOW CAN DIRECT  INVESTORS BUY SHARES THROUGH THE  DISTRIBUTOR?  Direct Investors
may buy  shares  of a  Trust  by  completing  a  Centennial  Funds  New  Account
Application  (enclosed  with  this  Prospectus),  along  with  the  three  other
documents  listed  above,  and  sending  them  to  Centennial  Asset  Management
Corporation,  P.O. Box 5143,  Denver,  Colorado  80217.  Payment must be made by
check or by Federal Funds wire as described below. If you don't list a dealer on
the application,  OppenheimerFunds Distributor, Inc., the Sub-Distributor,  will
act as your agent in buying the shares.  However,  we recommend that you discuss
your investment  with a financial  advisor before you make a purchase to be sure
that the Trust is appropriate for you.

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

Payment by Check. Direct Investors may pay for purchases of shares of a Trust by
   check. Send your check, payable to "Centennial Asset Management Corporation,"
   along with your  Application and other documents to the address listed above.
   For initial purchases, your check should be payable in U.S. dollars and drawn
   on a U.S. bank so that distributions will begin to accrue on the next regular
   business day after the Distributor accepts your purchase order. If your check
   is not drawn on a U.S.  bank and is not payable in U.S.  dollars,  the shares
   will not be purchased  until the  Distributor is able to convert the purchase
   payment to Federal Funds. In that case  distributions will begin to accrue on
   the purchased  shares on the next regular  business day after the purchase is
   made. The minimum initial investment for Direct Investors by check is $500.

Payment by Federal Funds Wire.  Direct Investors may pay for purchases of Shares
   of a Trust by Federal Funds wire. You must also forward your  Application and
   other documents to the address listed above.  Before sending a wire, call the
   Distributor's  Wire Department at  1-800-525-9310  (toll-free from within the
   U.S.) or  303-768-3200  (from outside the U.S.) to notify the  Distributor of
   the wire, and to receive further instructions.

      Distributions will begin to accrue on the purchased shares on the purchase
date that is a regular  business day if the Federal Funds from your wire and the
Application  are received by the  Distributor and accepted by 12:00 Noon. If the
Distributor  receives the Federal  Funds from your wire and accepts the purchase
order between 12:00 Noon and 4:00 P.M on the purchase date,  distributions  will
begin to accrue on the shares on the next  regular  business  day.  The  minimum
investment by Federal Funds Wire is $2,500.

Buying Shares Through Automatic  Investment Plans. Direct Investors can purchase
     shares of a Trust  automatically  each  month by  authorizing  the  Trust's
     Transfer  Agent to debit  your  account  at a U.S.  domestic  bank or other
     financial  institution.  Details  are  in  the  Automatic  Investment  Plan
     Application  and the  Statement  of  Additional  Information.  The  minimum
     monthly purchase is $25.

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

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

      The shares of each Trust offered by this  Prospectus  are considered to be
Class A shares for the purposes of exchanging them or reinvesting  distributions
among other Oppenheimer funds that offer more than one class of shares.

Service (12b-1) Plan.  Each trust has adopted a service plan. It reimburses  the
   Distributor  for a portion of its costs  incurred  for  services  provided to
   accounts that hold shares of the Trust. Reimbursement is made quarterly at an
   annual rate of up to 0.20% of the average annual net assets of the Trust. The
   Distributor currently uses all of those fees to pay dealers,  brokers,  banks
   and other financial  institutions  quarterly for providing  personal services
   and maintenance of accounts of their customers that hold shares of the Trust.

How to Sell Shares

Shares can be sold (redeemed) on any regular business day. Orders to sell shares
will  receive the next net asset value per share  calculated  after the order is
received  in proper form  (which  means that it must comply with the  procedures
described below) and is accepted by the Trust's Transfer Agent.

HOW CAN PROGRAM  PARTICIPANTS  SELL SHARES?  If you  participate in an Automatic
Purchase and Redemption Program sponsored by your broker-dealer, you must redeem
shares held in your Program  Account by contacting your  broker-dealer  firm, or
you can  redeem  shares by writing  checks as  described  below.  You should not
contact the Trust or its Transfer  Agent  directly to redeem shares held in your
Program Account.  You may also arrange (but only through your  broker-dealer) to
have the  proceeds  of redeemed  Trust  shares  sent by Federal  Funds wire,  as
described below in "Sending Redemption Proceeds by Wire."

HOW CAN DIRECT INVESTORS REDEEM SHARES? Direct Investors can redeem their shares
by writing a letter to the  Transfer  Agent,  by using the Trust's  checkwriting
privilege,  or by telephone.  You can also set up Automatic  Withdrawal Plans to
redeem  shares  on a regular  basis.  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.

Certain Requests  Require a Signature  Guarantee.  To protect  Investors and the
   Trust from fraud,  the following  redemption  requests for accounts of Direct
   Investors 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  Investors  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 an account with a different owner or name

     o Shares are being redeemed by someone (such as an Executor) other than the
owners

WhereCan Direct Investors Have Their Signatures  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.

How Can Direct  Investors Sell Shares by Mail?  Write a "letter of instructions"
that includes:

     o Your name

     o The Trust's name

     o Your 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            Send courier or express mail
requests by mail:                        requests to:
Shareholder Services, Inc.               Shareholder Services, Inc.
P.O. Box 5143                            10200 E. Girard Avenue, Building D
Denver, Colorado 80217-5270              Denver, Colorado 80231
- ---------------------------------------- ---------------------------------------

HowCan Direct  Investors  Sell Shares by Telephone?  Direct  Investors and their
   dealer representative of record may also 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 1-800-525-9310.  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.

SENDING  REDEMPTION  PROCEEDS BY WIRE.  While the Trust  normally  sends  Direct
Investors  their  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 an  account  or to
arrange  a  wire,   Direct   Investors   should  call  the  Transfer   Agent  at
1-800-525-9310. If you hold your shares through your dealer's Automatic Purchase
and Redemption Program,  you must contact your dealer to arrange a Federal Funds
wire.

HOW DO I WRITE CHECKS AGAINST MY ACCOUNT?  Program participants may write checks
against the account held under their Program,  but must arrange for checkwriting
privileges  through their  dealers.  Direct  Investors may write checks  against
their  account by requesting  that  privilege on the account  Application  or by
contacting the Transfer Agent for signature  cards.  They must be signed (with a
signature  guarantee)  by all owners of the account and returned to the Transfer
Agent so that checks can be sent to you to use.  Investors  with joint  accounts
can elect in writing to have checks paid over the signature of one owner.

   o  Checks can be written to the order of  whomever  you wish,  but may not be
      cashed at the bank the checks are payable through or the Trust's custodian
      bank
   o  Checkwriting privileges are not available for accounts holding shares that
      are subject to a contingent deferred sales charge.
   o  Checks must be written for at least $250.
   o Checks cannot be paid if they are written for more than your account value.
   o You may not write a check that  would  require  the Trust to redeem  shares
   that were purchased by check or Automatic  Investment  Plan payments within
   the prior 10 days.
   o  Don't use your  checks  if you  changed  your  account  number,  until you
      receive new checks.

WILL I PAY A SALES CHARGE WHEN I SELL MY SHARES? The Trust does not charge a fee
to  redeem  shares  of a Trust  that  were  bought  directly  or by  reinvesting
distributions  from that Trust or another  Centennial Trust or Oppenheimer fund.
Generally,  there is no fee to redeem  shares of a Trust  bought by  exchange of
shares of another Centennial Trust or Oppenheimer fund. However,

      1. if you  acquired  shares  of a Trust by  exchanging  Class A shares  of
         another  Oppenheimer  fund  that  you  bought  subject  to the  Class A
         contingent deferred sales charge, and

      2. those shares are still subject to the Class A contingent deferred sales
         charge when you exchange them into the Trust, then

      3. you will pay the  contingent  deferred sales charge if you redeem those
         shares  from the Trust  within 18  months of the  purchase  date of the
         shares of the Trust you exchanged.

How to Exchange Shares

Shares of a Trust can be exchanged  for shares of certain  other  Centennial  or
Oppenheimer  funds,  depending  on  whether  you own your  shares  through  your
dealer's Automatic Purchase and Redemption Program or as a Direct Investor.

HOW CAN PROGRAM PARTICIPANTS EXCHANGE SHARES? If you participate in an Automatic
Purchase  and  Redemption  Program  sponsored  by  your  broker-dealer,  you may
exchange  shares held in your  Program  Account for shares of  Centennial  Money
Market  Trust,  Centennial  Government  Trust and  Centennial  Tax Exempt Trust,
Centennial  California Tax Exempt Trust and Centennial New York Tax Exempt Trust
(referred to in this  Prospectus  as the  "Centennial  Trusts") if available for
sale in your  state of  residence  by  contacting  your  broker  or  dealer  and
obtaining a Prospectus of the Centennial Trusts.

HOW CAN DIRECT INVESTORS  EXCHANGE SHARES?  Direct Investors can exchange shares
of a Trust for Class A shares of certain  Oppenheimer funds. To exchange shares,
you must meet several conditions:

   o  Shares of the fund  selected  for exchange  must be available  for sale in
      your place of residence.

   o  The  prospectuses  of the Trust and the fund whose  shares you want to buy
      must offer the exchange privilege.

   o  You must hold the shares you buy when you  establish  your  account for at
      least 7 days  before you can  exchange  them.  After the account is open 7
      days, you can exchange shares every regular business day.

   o  You must meet the minimum purchase  requirements for the fund you purchase
      by exchange.

   o Before exchanging into a fund, you should obtain and read its prospectus.

      Shares of a particular  class of an Oppenheimer fund may be exchanged only
for shares of the same class in other  Oppenheimer  funds. For example,  you can
exchange  shares of a Trust only for Class A shares of another fund, and you can
exchange only Class A shares of another Oppenheimer fund for shares of a Trust.

      You may pay a sales  charge when you exchange  shares of a Trust.  Because
shares of a Trust are sold  without  sales  charge,  in some cases you may pay a
sales charge when you exchange shares of a Trust for shares of other Oppenheimer
funds that are sold subject to a sales  charge.  You will not pay a sales charge
when you exchange shares of a Trust purchased by reinvesting  distributions from
a Trust or other Oppenheimer funds (except Oppenheimer Cash Reserves), or shares
of a Trust purchased by exchange of shares on which you paid a sales charge.

      For tax purposes,  exchanges of shares involve a sale of the shares of the
fund you own and a purchase of the shares of the other fund, which may result in
a capital gain or loss.  Since shares of a Trust  normally  maintain a $1.00 net
asset  value,  in most cases you should not realize a capital  gain or loss when
you sell or exchange your shares.

      Direct Investors can find a list of Oppenheimer funds currently  available
for exchanges in the Statement of Additional  Information  or you can obtain one
by calling a service  representative  at  1-800-525-9310.  The list of  eligible
funds can change from time to time.

How  Do Direct  Investors  Submit Exchange  Requests?  Direct  shareholders  may
     request exchanges in writing or by telephone:

   o  Written Exchange Requests.  Submit an Exchange  Authorization Form, signed
      by all owners of the account. Send it to the Transfer Agent at the address
      on the Back Cover.

   o  Telephone  Exchange  Requests.  Telephone exchange requests may be made by
      calling a service  representative at 1-800-525-9310.  Telephone  exchanges
      may be made  only  between  accounts  that  are  registered  with the same
      name(s) and address.  Shares held under  certificates may not be exchanged
      by telephone.

ARE THERE  LIMITATIONS  ON EXCHANGES?  There are certain  exchange  policies you
should be aware of:

o    Shares are normally  redeemed  from one fund and  purchased  from the other
     fund in the exchange  transaction on the same regular business day on which
     the  Transfer  Agent  receives an  exchange  request  that  conforms to the
     policies  described above.  Requests for exchanges to any of the Centennial
     Trusts  must be received  by the  Transfer  Agent by 4:00 P.M. on a regular
     business  day to be effected  that day.  The  Transfer  Agent must  receive
     requests to exchange  shares of a Trust to funds other than the  Centennial
     Trusts  on a  regular  business  day by the  close  of The New  York  Stock
     Exchange  that day.  The close is normally  4:00 P.M. but may be earlier on
     some days.

   o  Either  fund  may  delay  the  purchase  of  shares  of the  fund  you are
      exchanging   into  up  to  seven  days  if  it   determines  it  would  be
      disadvantaged  by a same-day  exchange.  For  example,  the receipt of the
      multiple  exchange  requests from a "market timer" might require a fund to
      sell securities at a disadvantageous time and/or price.

   o  Because excessive trading can hurt fund performance and harm shareholders,
      the Trusts  reserve the right to refuse any exchange  request that may, in
      the  opinion of the  Trusts,  be  disadvantageous,  or to refuse  multiple
      exchange requests submitted by a shareholder or dealer.

   o  The Trusts may amend,  suspend or terminate the exchange  privilege at any
      time.  Although the Trusts will attempt to provide you notice  whenever it
      is reasonably able to do so, they may impose these changes at any time.

   o  If the Transfer Agent cannot  exchange all the shares you request  because
      of a restriction  cited above,  only the shares eligible for exchange will
      be exchanged.

Shareholder Account Rules and Policies

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

Theoffering  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 it believes it is in a Trust's
   best interest to do so.

Telephone Transaction Privileges for purchases,  redemptions or exchanges may be
   modified,  suspended or  terminated by a Trust at any time. If an account has
   more  than  one  owner,  a  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.

TheTransfer  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 a Trust will not be liable
   for losses or  expenses  arising  out of  telephone  instructions  reasonably
   believed to be genuine.

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.

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.

TheTransfer  Agent may delay  forwarding a check or making 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.

To avoid sending duplicate copies of materials to households,  a Trust will mail
   only one copy of each annual and semi-annual  report to  shareholders  having
   the  same  last  name  and  address  on  a  Trust's  records.  However,  each
   shareholder may call the Transfer Agent at  1-800-525-9310 to ask that copies
   of those materials be sent personally to that shareholder.

Dividends and Tax Information

DIVIDENDS.  Each 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, a 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 a Trust from the purchase
payment for such shares.

CAPITAL  GAINS.  Each  Trust  normally  holds its  securities  to  maturity  and
therefore  will not usually pay capital  gains.  Although the Trusts do not seek
capital gains, a Trust could realize  capital gains on the sale of its 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. A 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.

Centennial Money Market Trust and Centennial Government Trust.

      If your  shares are not held in a  tax-deferred  retirement  account,  you
should be aware of the  following  tax  implications  of investing in Centennial
Money Market Trust and  Centennial  Government  Trust.  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.  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 Trust  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 Trust sends you after the end of the calendar year.

Centennial Tax Exempt Trust

      Dividends paid from net investment income earned by the Trust on municipal
securities will be excludable from gross income for federal income tax purposes.
A portion of a dividend that is derived from  interest paid on certain  "private
activity  bonds"  may be an item of tax  preference  if you are  subject  to the
alternative minimum tax. If the Trust earns interest on taxable investments, any
dividends  derived  from those  earnings  will be taxable as ordinary  income to
shareholders.

      Dividends and capital gains distributions may be subject to state or local
taxes.  Long-term  capital  gains are taxable as  long-term  capital  gains when
distributed  to  shareholders.  It does not  matter  how long you have held your
shares.  Dividends  paid from  short-term  capital gains and non-tax  exempt net
investment  income are taxable as ordinary  income.  Whether you  reinvest  your
distributions  in additional  shares or take them in cash,  the tax treatment is
the same. Every year the Trust will send you and the IRS a statement showing the
amount of any taxable  distribution you received in the previous year as well as
the amount of your tax-exempt income.

Remember  There  May be Taxes  on  Transactions.  Because  each  Trust  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.

Returns of Capital Can Occur.  In certain cases,  distributions  made by a Trust
   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 a Trust 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 5 fiscal 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  for the past 5 fiscal years ended June 30, 1999 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>




INFORMATION AND SERVICES

For More Information On Centennial Tax Exempt 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 Trust or to make
any  representations  about  the Trust  other  than  what is  contained  in this
Prospectus.  This Prospectus is not an offer to sell shares of the Trust,  nor a
solicitation  of an offer to buy shares of the Trust, 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. 811-3104               Centennial  Asset Management Corporation
PR0160.001.1199
Printed on recycled paper


<PAGE>


APPENDIX TO THE PROSPECTUS OF
CENTENNIAL TAX EXEMPT TRUST

      Graphic  material  included in Prospectus  of Centennial  Tax Exempt Trust
(the "Trust") under the heading: "Annual Total Returns (as of 12/31 each year)."

      Bar chart will be included in the  Prospectus  of the Trust  depicting the
annual total returns of a hypothetical investment in shares of the Trust for the
full calendar year since the Trust's inception as a money market fund. Set forth
below are the relevant data points that will appear on the bar chart.

- --------------------------------------------------------------------
Calendar Year Ended:             Annual Total Returns
- --------------------------------------------------------------------
- --------------------------------------------------------------------
12/31/89
- --------------------------------------------------------------------
- --------------------------------------------------------------------
12/31/90
- --------------------------------------------------------------------
- --------------------------------------------------------------------
12/31/91
- --------------------------------------------------------------------
- --------------------------------------------------------------------
12/31/92
- --------------------------------------------------------------------
- --------------------------------------------------------------------
12/31/93
- --------------------------------------------------------------------
- --------------------------------------------------------------------
12/31/94
- --------------------------------------------------------------------
- --------------------------------------------------------------------
12/31/95
- --------------------------------------------------------------------
- --------------------------------------------------------------------
12/31/96
- --------------------------------------------------------------------
- --------------------------------------------------------------------
12/31/97
- --------------------------------------------------------------------
- --------------------------------------------------------------------
12/31/98
- --------------------------------------------------------------------

<PAGE>


- --------------------------------------------------------------------------------
Centennial Tax Exempt Trust
- --------------------------------------------------------------------------------

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

Statement of Additional Information dated November 1, 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 November 1, 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
Appendix D: Tax Equivalent Yield Tables....................................D-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 composition of the Trust's portfolio and
the  techniques  and  strategies  that the  Trust's  Manager  uses in  selecting
portfolio  securities  will vary over time. The Trust is not required to use all
of the  investment  techniques and  strategies  described  below at all times in
seeking  its goal.  It may use some of the  special  investment  techniques  and
strategies at some times or not at all.

      The Trust does not make  investments with the objective of seeking capital
growth.  However, the values of the securities held by the Trust may be affected
by changes in general interest rates and other factors, prior to their maturity.
Because the current  values of debt  securities  vary  inversely with changes in
prevailing  interest  rates,  if  interest  rates  increase  after a security is
purchased,  that  security  will  normally  fall in  value.  Conversely,  should
interest rates  decrease after a security is purchased,  normally its value will
rise.

      However, those fluctuations in value will not generally result in realized
gains or losses to the Trust  unless the Trust sells the  security  prior to the
security's  maturity.  A debt  security  held to maturity is  redeemable  by its
issuer at full principal value plus accrued interest. The Trust does not usually
intend to  dispose  of  securities  prior to their  maturity,  but may do so for
liquidity purposes,  or because of other factors affecting the issuer that cause
the  Manager to sell the  particular  security.  In that case,  the Trust  could
realize a capital gain or loss on the sale.

      There are variations in the credit quality of municipal  securities,  both
within a particular rating  classification  and between  classifications.  These
variations depend on numerous factors. The yields of municipal securities depend
on a number of factors, including general conditions in the municipal securities
market,  the size of a particular  offering,  the maturity of the obligation and
rating (if any) of the issue.  These  factors are  discussed  in greater  detail
below.

      |X| Portfolio Turnover.  A change in the securities held by the Trust from
buying and selling  investments  is known as  "portfolio  turnover."  Short-term
trading increases the rate of portfolio  turnover and could increase the Trust's
transaction costs.  However,  the Trust ordinarily incurs little or no brokerage
expense because most of the Trust's portfolio  transactions are principal trades
that do not require payment of brokerage commissions.

      The Trust  ordinarily does not trade  securities to achieve capital gains,
because they would not be tax-exempt  income. To a limited degree, the Trust may
engage in short-term  trading to attempt to take advantage of short-term  market
variations.  It may also do so to dispose of a portfolio  security  prior to its
maturity.  That might be done if, on the basis of a revised credit evaluation of
the issuer or other  considerations,  the Manager  believes such  disposition is
advisable  or the Trust  needs to  generate  cash to satisfy  requests to redeem
Trust  shares.  In those cases,  the Trust may realize a capital gain or loss on
its  investments.  The Trust's  annual  portfolio  turnover rate normally is not
expected to exceed ____%.

Municipal  Securities.  The types of municipal securities in which the Trust may
invest are described in the  Prospectus  under "About the Trust's  Investments."
Municipal  securities  are  generally  classified as general  obligation  bonds,
revenue bonds and notes.  A discussion of the general  characteristics  of these
principal types of municipal securities follows below.

      |X| Municipal  Bonds. We have  classified  municipal  securities  having a
maturity  (when the  security  is  issued)  of more than one year as  "municipal
bonds." The principal  classifications of long-term municipal bonds are "general
obligation" and "revenue" (including  "industrial  development") bonds. They may
have fixed, variable or floating rates of interest, as described below.

      Some bonds may be  "callable,"  allowing  the issuer to redeem them before
their maturity date. To protect  bondholders,  callable bonds may be issued with
provisions that prevent them from being called for a period of time.  Typically,
that is 5 to 10 years from the issuance date.  When interest  rates decline,  if
the call protection on a bond has expired, it is more likely that the issuer may
call the bond. If that occurs,  the Trust might have to reinvest the proceeds of
the called bond in bonds that pay a lower rate of return.

        |_|  General   Obligation  Bonds.  The  basic  security  behind  general
obligation  bonds is the issuer's pledge of its full faith and credit and taxing
power,  if any,  for the  repayment  of  principal  and the payment of interest.
Issuers of general obligation bonds include states, counties, cities, towns, and
regional  districts.  The proceeds of these  obligations are used to fund a wide
range of public  projects,  including  construction  or  improvement of schools,
highways and roads,  and water and sewer systems.  The rate of taxes that can be
levied  for the  payment  of debt  service  on these  bonds  may be  limited  or
unlimited. Additionally, there may be limits as to the rate or amount of special
assessments that can be levied to meet these obligations.

        |_|  Revenue  Bonds.  The  principal  security  for a  revenue  bond  is
generally  the  net  revenues  derived  from a  particular  facility,  group  of
facilities,  or, in some cases,  the  proceeds of a special  excise tax or other
specific  revenue source.  Revenue bonds are issued to finance a wide variety of
capital  projects.  Examples  include  electric,  gas,  water and sewer systems;
highways,  bridges,  and  tunnels;  port and airport  facilities;  colleges  and
universities; and hospitals.

      Although  the  principal  security  for these types of bonds may vary from
bond to bond,  many  provide  additional  security in the form of a debt service
reserve fund that may be used to make  principal  and  interest  payments on the
issuer's obligations. Housing finance authorities have a wide range of security,
including   partially  or  fully  insured  mortgages,   rent  subsidized  and/or
collateralized  mortgages,  and/or the net revenues from housing or other public
projects.  Some  authorities  provide further  security in the form of a state's
ability (without obligation) to make up deficiencies in the debt service reserve
fund.

        |_|  Industrial  Development  Bonds.  Industrial  development  bonds are
considered  municipal  bonds if the interest paid is exempt from federal  income
tax.  They are issued by or on behalf of public  authorities  to raise  money to
finance various privately  operated  facilities for business and  manufacturing,
housing,  sports, and pollution control. These bonds may also be used to finance
public  facilities such as airports,  mass transit systems,  ports, and parking.
The payment of the principal  and interest on such bonds is dependent  solely on
the ability of the  facility's  user to meet its financial  obligations  and the
pledge,  if any, of real and personal  property financed by the bond as security
for those payments.

        |_| Private Activity  Municipal  Securities.  The Tax Reform Act of 1986
(the "Tax Reform Act") reorganized,  as well as amended, the rules governing tax
exemption for interest on certain types of municipal securities.  The Tax Reform
Act  generally  did not change  the tax  treatment  of bonds  issued in order to
finance  governmental  operations.  Thus,  interest on general  obligation bonds
issued by or on behalf of state or local governments,  the proceeds of which are
used to finance the operations of such governments,  continues to be tax-exempt.
However,   the  Tax  Reform  Act  limited  the  use  of  tax-exempt   bonds  for
non-governmental  (private) purposes. More stringent restrictions were placed on
the use of proceeds of such bonds. Interest on certain private activity bonds is
taxable  under  the  revised  rules.  There  is  an  exception  for  "qualified"
tax-exempt private activity bonds, for example,  exempt facility bonds including
certain  industrial  development  bonds,  qualified  mortgage  bonds,  qualified
Section 501(c)(3) bonds, and qualified student loan bonds.  Normally,  the Trust
will not invest more than 20% of its total assets in private activity  municipal
securities or other taxable investments.

      In addition,  limitations as to the amount of private activity bonds which
each state may issue were  revised  downward by the Tax Reform  Act,  which will
reduce the supply of such  bonds.  The value of the Trust's  portfolio  could be
affected if there is a reduction in the availability of such bonds.

      Interest on certain  private  activity  bonds issued after August 7, 1986,
which  continues  to be  tax-exempt,  will be treated as a tax  preference  item
subject  to the  alternative  minimum  tax  (discussed  below) to which  certain
taxpayers are subject.  The Trust may hold municipal  securities the interest on
which (and thus a proportionate share of the  exempt-interest  dividends paid by
the Trust) will be subject to the federal alternative minimum tax on individuals
and corporations.

      The federal alternative minimum tax is designed to ensure that all persons
who receive  income pay some tax,  even if their  regular  tax is zero.  This is
accomplished in part by including in taxable income certain tax preference items
that are used to calculate  alternative  minimum taxable income.  The Tax Reform
Act  made  tax-exempt  interest  from  certain  private  activity  bonds  a  tax
preference item for purposes of the  alternative  minimum tax on individuals and
corporations.  Any  exempt-interest  dividend  paid  by a  regulated  investment
company will be treated as interest on a specific  private  activity bond to the
extent of the  proportionate  relationship  the interest the investment  company
receives on such bonds bears to all its exempt interest dividends.

      In addition,  corporate  taxpayers subject to the alternative  minimum tax
may,  under some  circumstances,  have to include  exempt-interest  dividends in
calculating  their  alternative  minimum  taxable  income.  That could  occur in
situations where the "adjusted current earnings" of the corporation  exceeds its
alternative minimum taxable income.

      To determine whether a municipal  security is treated as a taxable private
activity  bond,  it is subject to a test for:  (a) a trade or  business  use and
security  interest,  or (b) a  private  loan  restriction.  Under  the  trade or
business use and security  interest  test, an  obligation is a private  activity
bond if: (i) more than 10% of the bond  proceeds  are used for private  business
purposes  and (ii) 10% or more of the  payment of  principal  or interest on the
issue is directly or  indirectly  derived from such private use or is secured by
the privately used property or the payments  related to the use of the property.
For certain types of uses, a 5% threshold is substituted for this 10% threshold.

      The term  "private  business  use" means any direct or  indirect  use in a
trade or business  carried on by an  individual  or entity other than a state or
municipal  governmental unit. Under the private loan restriction,  the amount of
bond proceeds that may be used to make private loans is limited to the lesser of
5% or $5.0 million of the proceeds. Thus, certain issues of municipal securities
could lose their  tax-exempt  status  retroactively  if the issuer fails to meet
certain  requirements as to the expenditure of the proceeds of that issue or the
use of the bond-financed facility. The Trust makes no independent  investigation
of the users of such bonds or their use of proceeds  of the bonds.  If the Trust
should hold a bond that loses its tax-exempt status  retroactively,  there might
be  an  adjustment  to  the   tax-exempt   income   previously   distributed  to
shareholders.

      Additionally,  a private activity bond that would otherwise be a qualified
tax-exempt  private  activity bond will not, under Internal Revenue Code Section
147(a),  be a qualified  bond for any period during which it is held by a person
who is a "substantial user" of the facilities or by a "related person" of such a
substantial user. This "substantial  user" provision applies primarily to exempt
facility bonds,  including industrial development bonds. The Trust may invest in
industrial  development bonds and other private activity bonds.  Therefore,  the
Trust may not be an appropriate  investment for entities which are  "substantial
users" (or persons  related to "substantial  users") of such exempt  facilities.
Those entities and persons should consult their tax advisers  before  purchasing
shares of the Trust.

      A  "substantial  user"  of  such  facilities  is  defined  generally  as a
"non-exempt  person who  regularly  uses part of a facility"  financed  from the
proceeds  of exempt  facility  bonds.  Generally,  an  individual  will not be a
"related  person" under the Internal  Revenue Code unless such individual or the
individual's   immediate  family  (spouse,   brothers,   sisters  and  immediate
descendants)  own directly or indirectly in the aggregate more than 50% in value
of the equity of a corporation or partnership which is a "substantial user" of a
facility financed from the proceeds of exempt facility bonds.

      |X| Municipal  Notes.  Municipal  securities  having a maturity  (when the
security  is  issued)  of less than one year are  generally  known as  municipal
notes.  Municipal  notes  generally are used to provide for  short-term  working
capital needs.  Some of the types of municipal notes the Trust can invest in are
described below.

        |_| Tax Anticipation  Notes. These are issued to finance working capital
needs of municipalities.  Generally,  they are issued in anticipation of various
seasonal tax revenue,  such as income,  sales,  use or other business taxes, and
are payable from these specific future taxes.

     |_| Revenue  Anticipation  Notes.  These are notes issued in expectation of
receipt of other  types of revenue,  such as federal  revenues  available  under
federal revenue-sharing programs.

        |_| Bond  Anticipation  Notes.  Bond  anticipation  notes are  issued to
provide  interim  financing  until  long-term  financing  can be  arranged.  The
long-term  bonds  that are  issued  typically  also  provide  the  money for the
repayment of the notes.

        |_|  Construction  Loan  Notes.   These  are  sold  to  provide  project
construction   financing  until  permanent  financing  can  be  secured.   After
successful  completion and acceptance of the project,  it may receive  permanent
financing through public agencies, such as the Federal Housing Administration.

     |X|  Tax  Exempt  Commercial  Paper.  This  type of  short-term  obligation
(usually  having a maturity of 270 days or less) is issued by a municipality  to
meet current working capital needs.

      |X| Municipal  Lease  Obligations.  The Trust's  investments  in municipal
lease obligations may be through  certificates of participation that are offered
to investors by public  entities.  Municipal leases may take the form of a lease
or an  installment  purchase  contract  issued  by a state or  local  government
authority to obtain funds to acquire a wide variety of equipment and facilities.

      Some municipal lease securities may be deemed to be "illiquid" securities.
Their  purchase by the Trust would be limited as  described  below in  "Illiquid
Securities."  From  time to time the Trust  may  invest  more than 5% of its net
assets in municipal  lease  obligations  that the Manager has  determined  to be
liquid under guidelines set by the Board of Trustees.  Those guidelines  require
the Manager to evaluate:

      |_| the frequency of trades and price quotations for such securities;

     |_| the number of dealers or other potential  buyers willing to purchase or
sell such securities;

     |_| the availability of market-makers; and

     |_| the nature of the trades for such securities.

      Municipal  leases  have  special  risk   considerations.   Although  lease
obligations do not constitute general  obligations of the municipality for which
the  municipality's  taxing power is pledged,  a lease  obligation is ordinarily
backed by the  municipality's  covenant to budget for,  appropriate and make the
payments due under the lease  obligation.  However,  certain  lease  obligations
contain  "non-appropriation"  clauses which provide that the municipality has no
obligation to make lease or installment purchase payments in future years unless
money is appropriated  for that purpose on a yearly basis.  While the obligation
might be secured by the lease, it might be difficult to dispose of that property
in case of a default.

      Projects  financed with  certificates of  participation  generally are not
subject to state constitutional debt limitations or other statutory requirements
that may apply to other municipal  securities.  Payments by the public entity on
the obligation  underlying the certificates  are derived from available  revenue
sources.  That  revenue  might be  diverted  to the  funding of other  municipal
service  projects.  Payments of interest  and/or  principal  with respect to the
certificates  are not  guaranteed and do not constitute an obligation of a state
or any of its political subdivisions.

      In addition to the risk of "non-appropriation," municipal lease securities
do not have as highly liquid a market as conventional municipal bonds. Municipal
leases,  like  other  municipal  debt  obligations,  are  subject to the risk of
non-payment of interest or repayment of principal by the issuer.  The ability of
issuers of  municipal  leases to make timely  lease  payments  may be  adversely
affected in general economic downturns and as relative governmental cost burdens
are reallocated among federal,  state and local governmental units. A default in
payment of income would  result in a reduction of income to the Trust.  It could
also result in a reduction in the value of the municipal lease and that, as well
as a default in  repayment of  principal,  could result in a decrease in the net
asset  value of the Trust.  While the Trust holds such  securities,  the Manager
will also evaluate the  likelihood of a continuing  market for these  securities
and their credit quality.

Floating Rate/Variable Rate Obligations.  Floating rate and variable rate demand
notes are tax-exempt  obligations  which may have a stated maturity in excess of
one year,  but may  include  features  that  permit the  holder to  recover  the
principal amount of the underlying security at specified intervals not exceeding
one year on not more than thirty  days'  notice at any time.  The issuer of such
notes normally has a corresponding right, after a given period, to prepay in its
discretion the outstanding  principal  amount of the note plus accrued  interest
upon a specified  number of days notice to the holder.  The  interest  rate on a
floating  rate  demand note is based on a stated  prevailing  market rate and is
adjusted  automatically each time such rate is adjusted.  The interest rate on a
variable rate demand note is also based on a stated  prevailing  market rate but
is  adjusted  automatically  at  specified  intervals  of no more than one year.
Generally,  the  changes  in the  interest  rate on such  securities  reduce the
fluctuation  in their  market  value.  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.  Floating rate or variable
rate  obligations  which do not provide for recovery of  principal  and interest
within  seven days may be  subject to the  limitations  applicable  to  illiquid
securities  described  in  "Investment  Objective  and  Policies - Illiquid  and
Restricted Securities" in the Prospectus.

When-Issued and Delayed Delivery Transactions.  As stated in the Prospectus, the
Trust  may  invest  in  municipal  securities  on a  "when-issued"  or  "delayed
delivery" basis. Payment for and delivery of the securities shall not exceed 120
days from the date the offer is accepted. The purchase price and yield are fixed
at the time the buyer enters into the commitment.  During the period between the
time of commitment and settlement, no payment is made by the Trust to the issuer
and no interest  accrues to the Trust from this investment.  However,  the Trust
intends to be as fully  invested as possible and will not invest in  when-issued
securities  if its  income  or net  asset  value  will be  materially  adversely
affected.  At the time the Trust  makes the  commitment  to purchase a municipal
security on a when-issued basis, it will record the transaction on its books and
reflect the value of the security in  determining  its net asset value.  It will
also  segregate cash or other liquid high quality  Securities  equal in value to
the commitment for the when-issued securities.  While when-issued securities may
be sold prior to settlement  date,  the Trust intends to acquire the  securities
upon settlement  unless a prior sale appears  desirable for investment  reasons.
There is a risk that the yield  available in the market when delivery occurs may
be higher than the yield on the security acquired.

      |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.

Other Investment Strategies
Repurchase  Agreements.  In a  repurchase  transaction,  the  Trust  acquires  a
security  from,  and  simultaneously  resells it to, an approved  vendor (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 at least
$50  million  and  which has been  designated  a  primary  dealer in  government
securities).  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.  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. Repurchase agreements are considered "loans" under
the Investment  Company Act of 1940, as amended (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 value
of  the  collateral  must  equal  or  exceed  the  repurchase   price  to  fully
collateralize the repayment obligation.  Additionally,  the Manager will monitor
the vendor's  creditworthiness  to confirm that the vendor is financially  sound
and will continuously monitor the collateral's value.

Puts and Standby Commitments.  When the Trust buys municipal securities,  it may
obtain a standby  commitment  from the seller to repurchase the securities  that
entitles the Trust to achieve same day settlement  from the  repurchaser  and to
receive an exercise price equal to the amortized cost of the underlying security
plus  accrued  interest,  if any, at the time of  exercise.  A put  purchased in
conjunction  with a municipal  security enables the Trust to sell the underlying
security within a specified  period of time at a fixed exercise price. The Trust
may pay for a standby commitment or put either separately in cash or by paying a
higher price for the securities  acquired  subject to the standby  commitment or
put.  The Trust will enter into these  transactions  only with banks and dealers
which,  in the Manager's  opinion,  present  minimal  credit risks.  The Trust's
purchases  of puts  are  subject  to the  provisions  of  Rule  2a-7  under  the
Investment Company Act because the Trust uses the amortized cost method to value
its portfolio  securities.  An unconditional  put or guarantee with respect to a
security  will not be  deemed  to be issued  by the  institution  providing  the
guarantee or put,  provided that the value of all  securities  held by the Trust
and issued or guaranteed by the issuer  providing the guarantee or put shall not
exceed 10% of the Trust's total assets.

Diversification.  For purposes of  diversification  under the Investment Company
Act, and the Trust's investment  restrictions,  the identification of the issuer
of a Municipal Bond or Note depends on the terms and conditions of the security.
When the assets and revenues of an agency,  authority,  instrumentality or other
political  subdivision  are separate from those of the  government  creating the
subdivision  and the  security is backed only by the assets and  revenues of the
subdivision,  such subdivision would be deemed to be the sole issuer. Similarly,
in the case of an  industrial  development  bond, if that bond is backed only by
the assets and revenues of the nongovernmental  user, then such  nongovernmental
user would be deemed to be the sole issuer.  If,  however,  in either case,  the
creating government or some other entity guarantees a security, such a guarantee
would be considered a separate security and is to be treated as an issue of such
government or other entity.

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.

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

        |_| The Trust cannot make loans,  except by purchasing debt  obligations
in  accordance  with its  investment  policies as  approved by the Board,  or by
entering  into  repurchase  agreements,  or by lending  portfolio  securities in
accordance with applicable regulations;

        |_| The Trust  cannot  borrow  money  except as a temporary  measure for
extraordinary or emergency purposes, and then only up to 10% of the value of its
assets; no more than 10% of the Trust's net assets may be pledged,  mortgaged or
assigned  to  secure  a  debt;  no  investments  may be made  while  outstanding
borrowings,  other than by means of reverse repurchase agreements (which are not
considered borrowings under this restriction), exceed 5% of its assets;

        |_| The  Trust  cannot  invest  more  than 5% of the  value of its total
assets taken at market value in the  securities of any one issuer (not including
the U.S. Government or its agencies or  instrumentalities,  whose securities may
be purchased without limitation for defensive purposes);

        |_| The Trust cannot  purchase more than 10% of the  outstanding  voting
securities  of any  one  issuer  or  invest  in  companies  for the  purpose  of
exercising control;

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

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

        |_| The  Trust  cannot  invest  in real  estate;  however  the Trust may
purchase municipal bonds or notes secured by interests in real estate;

        |_| The  Trust  cannot  make  short  sales  of  securities  or  purchase
securities on margin,  except for short-term credits necessary for the clearance
of purchases and sales of portfolio securities;

        |_| The Trust cannot invest in or hold securities of any issuer if those
officers and trustees or directors of the Trust or its advisor 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;

        |_| The Trust  cannot  underwrite  securities  issued  by other  persons
except to the extent that, in connection  with the  disposition of its portfolio
investments,  it  may  be  deemed  to be an  underwriter  for  purposes  of  the
Securities Act of 1933;

        |_| The Trust cannot invest in securities of other investment  companies
except as they may be acquired as part of a merger, consolidation or acquisition
of assets; or

        |_| 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.

      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 Trust Is Managed

Organization  and  History.  The Trust is an  open-end,  diversified  management
investment company organized as a Massachusetts  business trust in ____, 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 may
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 Trust has a single  class of shares of stock.
While that class has no designation,  it is deemed to be the equivalent of Class
A for purposes of the shareholder  account policies that apply to Class A shares
of the  Oppenheimer  funds.  Shares of the Trust are freely  transferable.  Each
share  has one vote at  shareholder  meetings,  with  fractional  shares  voting
proportionally  on matters  submitted  to a vote of  shareholders.  There are no
preemptive or conversion rights and shares participate  equally in the assets of
the Trust upon liquidation.

      |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 Declaration of
Trust  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:

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.

Oppenheimer Cash Reserves             Oppenheimer Strategic Income Fund
Oppenheimer Champion Income Fund      Oppenheimer Total Return Fund, Inc.
Oppenheimer Capital 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  Main  Street  Small  Cap Centennial New York Tax Exempt Trust
Fund
Oppenheimer Municipal Fund            Centennial Tax Exempt Trust
Oppenheimer Real Asset Fund

Robert G. Avis*, Trustee, Age: 68
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*, Trustee, Age: 63
6803 South Tucson Way, Englewood, Colorado 80112
Formerly (until April 1999) Mr. Bowen held the following positions:  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 Asset Management Corporation;  Senior Vice President (since
February 1992),  Treasurer (since July 1991) Assistant  Secretary and a director
(since December 1991) of Centennial  Asset  Management  Corporation;  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.; Vice President,  Treasurer and Secretary of
Shareholder Financial Services,  Inc. (since November 1989); Assistant Treasurer
of Oppenheimer  Acquisition Corp.  (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  OppenheimerFunds  International  Ltd.  and
Oppenheimer Millennium Funds plc (since October 1997).

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.,  the  Manager's  parent  holding  company,  and
Shareholder Services,  Inc. and Shareholder  Financial Services,  Inc., transfer
agent subsidiaries of the Manager.

Sam Freedman, Trustee, Age: 59
4975 Lakeshore Drive, Littleton, Colorado 80123
Formerly  Chairman and Chief  Executive  Officer of  OppenheimerFunds  Services,
Chairman,  Chief Executive Officer and a director of Shareholder Services, Inc.,
Chairman,   Chief  Executive  Officer  and  director  of  Shareholder  Financial
Services, Inc., Vice President and director of Oppenheimer Acquisition Corp. and
a director of OppenheimerFunds, Inc.

Raymond J. Kalinowski, Trustee, Age: 70
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: 78
7500 E. Arapahoe Road, Englewood, Colorado 80112
President of The Kirchner Company (management consultants).

Bridget A. Macaskill*, President and Trustee, Age: 51
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  Corporation,  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 Prudential  Corporation plc
(a U.K. financial service company).

Ned M. Steel, Trustee, Age: 84
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 and
Chairman of the Board of Shareholder Services, Inc.

Michael A. Carbuto, Vice President and Portfolio Manager, Age: 44
Two World Trade Center, New York, New York 10048-0203
Vice President of the Manager and Centennial Asset Management Corporation (since
May 1988); an officer of other Oppenheimer funds.

Andrew J. Donohue, Vice President and Secretary, Age: 49
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  Corporation,  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: 34
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.

Brian W. Wixted, Vice President, Treasurer and Assistant Secretary, Age: 40 6803
South Tucson Way, Englewood,  Colorado 80112 Senior Vice President and Treasurer
(since April 1999) of the Manager;  Treasurer of  HarbourView  Asset  Management
Corporation,  Shareholder Services,  Inc., Shareholder Financial Services,  Inc.
and  Oppenheimer  Partnership  Holdings,  Inc.  (since  April  1999);  Assistant
Treasurer  of  Oppenheimer  Acquisition  Corp.  (since  April  1999);  Assistant
Secretary  of  Centennial  Asset  Management  Corporation  (since  April  1999);
formerly Principal and Chief Operating  Officer,  Bankers Trust Company - Mutual
Fund  Services  Division  (March 1995 - March 1999);  Vice  President  and Chief
Financial Officer of CS First Boston Investment Management Corp. (September 1991
- - March 1995);  and Vice President and Accounting  Manager,  Merrill Lynch Asset
Management (November 1987 - September 1991).

Robert G. Zack, Assistant Secretary, Age: 51
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, 1999. 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.


<PAGE>


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

  Robert G. Avis               $                 $67,998.00

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

  William A. Baker             $                 $69,998.00

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

  Charles Conrad, Jr.          $                 $67,998.00

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

  Jon S. Fossel                $                 $67,496.04

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

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

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

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

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

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

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

  Robert M. Kirchner           $                 $67,998.00

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

  Ned M. Steel                 $                 $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  retail shares was A.G.  Edwards & Sons, Inc.  ("Edwards"),  1 North
Jefferson Avenue, St. Louis,  Missouri 63103, which owned  ________shares of the
Trust which was ____% of the  outstanding  shares of the Trust on that date, for
its own account.

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
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
      1997
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
      1998
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
      1999
- --------------------------------------------------------------------------------



      Under its  Agreement  with The Trust,  when the value of the  Trust's  net
assets is less than $1.5  billion,  the  annual fee  payable  to the  Manager is
reduced by  $100,000  based on the average  net assets  computed  daily and paid
monthly at the annual  rates,  but in no event shall the annual fee be less than
$0. This  contractual  provision  resulted in a reduction of the fee which would
otherwise  have been  payable to the Manager  during the fiscal years ended June
30, 1997,  1998,  and 1999,  respectively,  in the following  amounts:  $______,
$______ and $______.

      In addition, under its Agreement with The Trust, the Manager has agreed to
assume that Trust's expenses to the extent that the total expenses (as described
above) of the Trust exceed the most stringent limits  prescribed by any state in
which the Trust's shares are offered for sale. The payment of the management fee
at the end of any month  will be  reduced  so that at no time will  there be any
accrued but unpaid  liabilities  under any of these  expense  assumptions.  As a
result of changes in federal  securities laws which have effectively  pre-empted
state  expense  limitations,   the  contractual   commitment  relating  to  such
reimbursements is no longer relevant.

    The Agreement provides that the Manager assumes no responsibility  under the
Agreement  other than that which is imposed by law, and shall not be responsible
for any action of the Board of Trustees of the Trust in  following  or declining
to follow any advice or recommendations  of the Manager.  The Agreement provides
that the  Manager  shall not be liable for any error of  judgment  or mistake of
law, or for any loss suffered by the Trust in  connection  with matters to which
the  Agreement  relates,  except a loss  resulting  by reason  of the  Manager's
willful  misfeasance,  bad faith or gross  negligence in the  performance of its
duties,  or its  reckless  disregard  of its  obligations  and 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,  "   "tax-equivalent   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.

      The Trust's "tax  equivalent  yield" adjusts the Trust's current yield, as
calculated  above,  by a stated federal tax rate.  The tax  equivalent  yield is
computed by dividing the tax-exempt  portion of the Trust's current yield by one
minus a stated  income tax rate and adding the result to the portion (if any) of
the Trust's current yield that is not tax-exempt.  The tax equivalent  yield may
be  compounded  as  described  above  to  provide  a  compounded  effective  tax
equivalent yield.

      The Trust's tax equivalent yield may be used to compare the tax effects of
income  derived from the Trust with income from taxable  investments  at the tax
rates stated.  Exhibit D includes a tax equivalent yield table, based on various
effective  tax  brackets  for  individual  taxpayers.   Such  tax  brackets  are
determined by a taxpayer's  federal  taxable  income (the net amount  subject to
federal income tax after  deductions and  exemptions).  The tax equivalent yield
table assumes that the investor is taxed at the highest  bracket,  regardless of
whether a switch to non-taxable investments would cause a lower bracket to apply
and that state income tax payments are fully deductible for income tax purposes.
For taxpayers with income above certain  levels,  otherwise  allowable  itemized
deductions  are  limited.  The Trust's tax  equivalent  yield for the  seven-day
period ended June 30, 1999 was ____%. Its  tax-equivalent  compounded  effective
yield for the same period was ____% for an  investor in the highest  federal tax
bracket.

      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       Average Annual Total Returns (at 6/30/99)
 (7 days ended   Effective Yield
    6/30/99)      (7 days ended
                    6/30/99)
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

                                     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:
<TABLE>
<S>                                       <C>

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

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  have adopted the  amortized  cost method to
value the Trust's  portfolio  securities.  Under the  amortized  cost method,  a
security is valued  initially at its cost and its  valuation  assumes a constant
amortization  of any premium or accretion  of any  discount,  regardless  of the
impact of fluctuating  interest rates on the market value of the security.  This
method does not take into  consideration any unrealized  capital gains or losses
on securities.  While this method provides certainty in valuing  securities,  in
certain  periods the value of a security  determined  by  amortized  cost may be
higher or lower than the price the Trust would receive if it sold the security.

      The  Trust's  Board of Trustees  have  established  procedures  reasonably
designed to  stabilize  the  Trust's  net asset value at $1.00 per share.  Those
procedures  include a review of the Trust's  portfolio  holdings by the Board of
Trustees,  at intervals it deems  appropriate,  to determine whether the Trust's
net asset value  calculated by using available market  quotations  deviates from
$1.00 per share based on amortized cost.

      The Board of Trustees will examine the extent of any deviation between the
Trust's net asset value based upon  available  market  quotations  and amortized
cost.  If the Trust's  net asset  value were to deviate  from $1.00 by more than
0.5%, Rule 2a-7 requires the Board of Trustees to consider what action,  if any,
should be  taken.  If they find  that the  extent of the  deviation  may cause a
material dilution or other unfair effects on shareholders, the Board of Trustees
will take whatever  steps they consider  appropriate  to eliminate or reduce the
dilution,  including,  among others,  withholding or reducing dividends,  paying
dividends from capital or capital gains, selling portfolio  instruments prior to
maturity to realize  capital gains or losses or to shorten the average  maturity
of the portfolio,  or calculating  net asset value per share by using  available
market quotations.

      During periods of declining  interest rates,  the daily yield on shares of
the Trust may tend to be lower (and net investment  income and dividends higher)
than those of a fund holding the  identical  investments  as the Trust but which
used a method of  portfolio  valuation  based on market  prices or  estimates of
market prices.  During periods of rising interest rates,  the daily yield of the
Trust  would tend to be higher  and its  aggregate  value  lower than that of an
identical portfolio using market price valuation.

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 Trust  intends to
qualify  under  the  Internal  Revenue  Code  during  each  fiscal  year  to pay
"exempt-interest dividends" to its shareholders.  Exempt-interest dividends that
are  derived  from net  investment  income  earned  by the  Trust  on  municipal
securities  will be  excludable  from gross income of  shareholders  for federal
income tax purposes.

      Net  investment  income  includes the allocation of amounts of income from
the  municipal  securities in the Trust's  portfolio  that are free from federal
income  taxes.  This  allocation  will  be  made  by the  use of one  designated
percentage applied uniformly to all income dividends paid during the Trust's tax
year.  That  designation  will normally be made following the end of each fiscal
year as to income  dividends  paid in the prior year.  The  percentage of income
designated as tax-exempt  may  substantially  differ from the  percentage of the
Trust's income that was tax-exempt for a given period.

      A portion  of the  exempt-interest  dividends  paid by the Trust may be an
item of tax preference for shareholders  subject to the alternative minimum tax.
The amount of any dividends attributable to tax preference items for purposes of
the  alternative  minimum  tax  will  be  identified  when  tax  information  is
distributed by the Trust.

      A  shareholder  receiving a dividend  from income earned by the Trust from
one or more of the following  sources treats the dividend as a receipt of either
ordinary  income or long-term  capital gain in the  computation of gross income,
regardless of whether the dividend is reinvested:

(1)       certain  taxable  temporary   investments  (such  as  certificates  of
          deposit,  repurchase  agreements,  commercial paper and obligations of
          the U.S.
          government, its agencies and instrumentalities);

(2)       income from securities loans; or


(3)       an excess of net  short-term  capital gain over net long-term  capital
          loss from the Trust.

      The  Trust's  dividends  will not be eligible  for the  dividends-received
deduction for  corporations.  Shareholders  receiving  Social Security  benefits
should be aware  that  exempt-interest  dividends  are a factor  in  determining
whether such  benefits  are subject to federal  income tax.  Losses  realized by
shareholders  on the  redemption  of Trust shares  within six months of purchase
(which period may be shortened by  regulation)  will be  disallowed  for federal
income tax purposes to the extent of exempt-interest  dividends received on such
shares.

      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 dividends and 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 dividends and distributions made to shareholders.

      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. If it
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
Trust's Board of Trustees and the Manager might  determine in a particular  year
that it would be in the best interest of shareholders 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.

Additional Information About the Trust

The Distributor. The Trust's retail 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 the  Manager  and OFI and 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 Investors Service, Inc.
- --------------------------------------------------------------------------------
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.


<PAGE>


Standard & Poor's Ratings Services
- --------------------------------------------------------------------------------

The following  ratings by Standard & Poor's 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  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.
- --------------------------------------------------------------------------------

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.
- --------------------------------------------------------------------------------

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  Investors Service, Inc.
- --------------------------------------------------------------------------------

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 Ratings Services
- --------------------------------------------------------------------------------

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, Inc.
- --------------------------------------------------------------------------------

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.

Thomson BankWatch, Inc.
- --------------------------------------------------------------------------------

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


<PAGE>

                                   Appendix B

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


Adult  Living  Facilities  Education  Electric  Gas  General  Obligation  Higher
Education Highways Hospital Lease Rental Manufacturing,  Durables Manufacturing,
Non Durables  Marine/Aviation  Facilities Multi-Family Housing Pollution Control
Resource  Recovery  Sales Tax Sewer Single  Family  Housing  Special  Assessment
Telephone Water


<PAGE>


C-2

                                    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>

                                   Appendix D

- --------------------------------------------------------------------------------
                           TAX EQUIVALENT YEILD TABLE
- --------------------------------------------------------------------------------

The equivalent  yield table below compares  tax-free  income with taxable income
under  federal  income tax rates  effective in 1998.  The tables  assume that an
investor's highest tax bracket applies to the change in taxable income resulting
from a switch between taxable and non-taxable investments,  that the investor is
not subject to the  Alternative  Minimum Tax, and that state income tax payments
are fully  deductible for federal  income tax purposes.  The income tax brackets
are subject to indexing in future years to reflect changes in the Consumer Price
Index.

Example:  Assuming a 4.0% tax-free yield, the equivalent  taxable yield would be
6.25% for a person in the 36% tax bracket.
<TABLE>
<S>                 <C>             <C>                <C>       <C>        <C>

                                                      Centennial   Tax  Exempt   Trust
Yield of:
Federal                             Effective         1.5%        2.0%        2.5%
Taxable                             Tax               Is  Approximately  Equivalent To
a
Income                              Bracket           Taxable Yield of:

JOINT RETURN
- ---------------------
Over              Not over
- --------          -----------

$         0       $  42,350           15.0%           1.76%       2.35%       2.94%
$ 42,350          $102,300            28.0%           2.08%       2.78%       3.47%
$102,300          $155,950            31.0%           2.17%       2.90%       3.62%
$155,950          $278,450            36.0%           2.34%       3.13%       3.91%
$278,450 and above                                      39.6%     2.48%       3.31%
4.14%


SINGLE RETURN
- ------------------------
Over              Not over
- -------           -----------

$         0       $  25,350           15.0%           1.76%       2.35%       2.94%
$ 25,350          $  61,400           28.0%           2.08%       2.78%       3.47%
$ 61,400          $128,100            31.0%           2.17%       2.90%       3.62%
$128,100          $278,450            36.0%           2.34%       3.13%       3.91%
$278,450 and above                                      39.6%     2.48%       3.31%
4.14%




<PAGE>



                                          Centennial Tax Exempt Trust Yield of:
Federal                    Effective       3.0%       3.5%        4.0%        4.5%
Taxable                    Tax            Is Approximately Equivalent To a
Income                     Bracket        Taxable Yield of:

JOINT RETURN
- ---------------------

Over           Not over
- --------       -----------

$         0    $  42,350     15.0%        3.53%       4.12%       4.71%       5.29%
$ 42,350       $102,300      28.0%        4.17%       4.86%       5.56%       6.25%
$102,300       $155,950      31.0%        4.35%       5.07%       5.80%       6.52%
$155,950       $278,450      36.0%        4.69%       5.47%       6.25%       7.03%
$278,450                     39.6%        4.97%       5.79%       6.62%       7.45%

SINGLE RETURN
- -------------------------

Over           Not over
- --------       -----------

$         0    $  25,350     15.0%        3.53%       4.12%       4.71%       5.29%
$ 25,350       $  61,400     28.0%        4.17%       4.86%       5.56%       6.25%
$ 61,400       $128,100      31.0%        4.35%       5.07%       5.80%       6.52%
$128,100       $278,450      36.0%        4.69%       5.47%       6.25%       7.03%
$278,450                     39.6%        4.97%       5.79%       6.62%       7.45%

</TABLE>

<PAGE>

- -------------------------------------------------------------------------------
Centennial Tax Exempt 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


PX0160.001.1199



<PAGE>

                           CENTENNIAL TAX EXEMPT TRUST

                                    FORM N-1A

                                     PART C

                                OTHER INFORMATION


Item 23.  Exhibits

(a) Restated  Declaration of Trust dated  September 27, 1985:  Previously  filed
with Registrant's  Post-Effective  Amendment No. 11 (9/27/85),  and refiled with
Registrant's Post-Effective Amendment No. 28 (10/31/94), 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. 23  (10/31/91),  and  refiled  with
Registrant's Post-Effective Amendment No. 28 (10/28/94), pursuant to Item 102 of
Regulation S-T, and incorporated herein by reference.

(c)   Specimen Share Certificate:  Filed herewith.

(d) Investment Advisory Agreement dated February 18, 1992: Previously filed with
Registrant's   Post-Effective   Amendment   No.  25   (11/1/92),   refiled  with
Registrant's Post-Effective Amendment No. 28 (01/31/94), 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. 26 (8/30/93),  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  Registrant's   Post-Effective   Amendment  No.  26
     (8/30/93), 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)   (i) Custodian Agreement between Registrant (formerly Daily Cash Tax Exempt
      Cash Fund, Inc.) and Citibank,  N.A. dated March 1, 1981: Previously filed
      with Registrant's Post-Effective Amendment No. 13 (1/31/86),  refiled with
      Registrant's Post-Effective Amendment No. 28 (10/31/94),  pursuant to Item
      102 of Regulation S-T and incorporated herein by reference.

      (ii)  Assignment and Amendment to Custodian  Agreement dated September 27,
      1985: Previously filed with Registrant's  Post-Effective  Amendment No. 13
      (1/31/86),  refiled  with  Registrant's  Post-Effective  Amendment  No. 28
      (10/31/94), 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.

      (ii) Opinion of Neef, Swanson, Myer & Clark, general counsel to Registrant
      issued in the reorganization of Registrant (formerly Daily Cash Tax Exempt
      Fund, Inc.) dated September 27, 1985:  Previously filed with Registrant' s
      Post-Effective  Amendment  No. 13  (1/31/86),  refiled  with  Registrant's
      Post-Effective  Amendment  No.28,  (10/31/94),  pursuant  to  Item  102 of
      Regulation S-T and incorporated herein by reference.

      (iii) Opinion of Moye, Giles, O'Keefe, Bermeire & Gorrell, special counsel
      to Registrant issued in the  reorganization of Registrant  (formerly Daily
      Cash Tax Exempt Fund,  Inc.) dated  September 27, 1985:  Previously  filed
      with Registrant's Post-Effective Amendment No. 13 (1/31/86),  refiled with
      Registrant's Post-Effective Amendment No.28, (10/31/94),  pursuant to Item
      102 of Regulation S-T and incorporated herein by reference.

      (iv)  Opinion of  Deloitte  Haskins & Sells  issued to  Registrant  in the
      reorganization  of Registrant  (formerly Daily Cash Tax Exempt Fund, Inc.)
      dated   September   27,   1985:   Previously   filed   with   Registrant's
      Post-Effective  Amendment  No. 13  (1/31/86),  refiled  with  Registrant's
      Post-Effective  Amendment  No.28,  (10/31/94),  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. 27, (10/29/93), and incorporated
herein by reference.

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

(o) Not applicable.

- -- Powers of Attorney (including Certified Board resolutions):  Previously filed
with  Post-Effective   Amendment  No.  20  to  the  Registration   Statement  of
Oppenheimer  Total Return Fund,  Inc. (Reg. No.  2-11052),  (4/30/99),  Brian W.
Wixted  and   incorporated   herein  by  reference.   Filed  with   Registrant's
Post-Effective Amendment No. 32 (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

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

Andrew J. Donohue,
President 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   Asset
                             Management   Corporation,   Shareholder  Services,
                             Inc.,  Shareholder  Financial  Services,  Inc. and
                             Oppenheimer   Partnership  Holdings,   Inc.  since
                             (September  1995);  President  and a  director  of
                             Centennial  Asset  Management  Corporation  (since
                             September  1995);  President  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 Director
                             of   OppenheimerFunds   International,   Ltd.  and
                             Oppenheimer  Millennium  Funds plc (since  October
                             1997); an officer of other Oppenheimer funds.

Katherine P. Feld,
Secretary and Director       Vice  President and Secretary of the  Distributor;
                             Secretary   of   HarbourView    Asset   Management
                             Corporation,   and  Centennial   Asset  Management
                             Corporation;   Secretary,   Vice   President   and
                             Director of Centennial Capital  Corporation;  Vice
                             President  and  Secretary  of   Oppenheimer   Real
                             Asset Management, Inc.

Ray Olson,                   Assistant Vice President of OFI; Assistant Vice
Treasurer                    President and Treasurer, OFDI.

Brian W. Wixted              Senior Vice President and Treasurer of OFI; (April
Assistant Treasurer          1999);  Vice  President  and  Treasurer  of  OFDI;
                             formerly   Principal  and  Chief   Operating
                             Officer,  Bankers Trust Company  Mutual Fund
                             Service  Division (March 1995 - March 1999);
                             Vice President and Chief  Financial  Officer
                             of CS  First  Boston  Investment  Management
                             Corp.  (September  1991 - March  1995);  and
                             Vice  President  and   Accounting   Manager,
                             Merrill  Lynch  Asset  Management  (November
                             1987 - September 1991).
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 J. 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  Trinity  Core Fund
Oppenheimer  Trinity  Growth  Fund
Oppenheimer Trinity Value Fund
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  Capital  Income  Fund
Oppenheimer  High  Yield  Fund
Oppenheimer  Integrity Funds
Oppenheimer  International  Bond Fund
Oppenheimer Limited-Term  Government Fund
Oppenheimer Main Street Funds,  Inc.
Oppenheimer Main Street Small Cap Fund
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  Corporation,  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

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 and Director   None

Ray Olson              Treasurer                None

Brian W. Wixted        Assistant Treasurer      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 27th day of August, 1999.

                                        CENTENNIAL TAX EXEMPT 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         August 27, 1999
- ------------------------------------ Board of Trustees
James C. Swain                      Principal Executive
                                    Officer and Trustee

/s/ George C. Bowen*                Trustee                 August 27, 1999
- -------------------------------------
George C. Bowen

/s/ Bridget A. Macaskill*           President and           August 27, 1999
- ------------------------------------ Trustee
Bridget A. Macaskill

/s/ Robert G. Avis*                 Trustee                 August 27, 1999
- -------------------------------------
Robert G. Avis

/s/ William A. Baker*               Trustee                 August 27, 1999
- -------------------------------------
William A. Baker

/s/ Jon S. Fossel                   Trustee                 August 27, 1999
- -------------------------------------
Jon S. Fossel

/s/ Sam Freedman*                   Trustee                 August 27, 1999
- -------------------------------------
Sam Freedman



/s/ Raymond J. Kalinowski*          Trustee                 August 27, 1999
- -------------------------------------
Raymond J. Kalinowski

/s/ C. Howard Kast*                 Trustee                 August 27, 1999
- -------------------------------------
C. Howard Kast

/s/ Robert M. Kirchner*             Trustee                 August 27, 1999
- -------------------------------------
Robert M. Kirchner

/s/ Ned M. Steel*                   Trustee                 August 27, 1999
- -------------------------------------
Ned M. Steel

/s/ Brian W. Wixted*                Treasurer               August 27, 1999
- -------------------------------------
Brian W. Wixted

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


<PAGE>


                           CENTENNIAL TAX EXEMPT TRUST


                                  EXHIBIT INDEX





Exhibit No.             Description

23(c)                   Speciman Share Certificate



                                                                   Exhibit 23(c)


                           CENTENNIAL TAX EXEMPT TRUST
                        Share Certificate (8-1/2" x 11")


I. FACE OF CERTIFICATE (All text and other matter lies within decorative border)

                  (upper left corner, box with heading: NUMBER [of shares]

         (upper right corner, box with heading: SHARES below cert. no.)

                  (centered below boxes)
                           Centennial Tax Exempt Trust
                         A MASSACHUSETTS BUSINESS TRUST


(at left) THIS IS TO CERTIFY THAT     (at right)   SEE   REVERSE   FOR   CERTAIN
DEFINITIONS

                                                 (box with number)
                                                 CUSIP 151390 101
(at left) is the owner of

                (centered) FULLY PAID SHARES OF BENEFICIAL INTEREST OF
                           CENTENNIAL TAX EXEMPT TRUST

      (hereinafter  called the "Trust"),  transferable  only on the books of the
      Trust by the holder hereof in person or by duly authorized attorney,  upon
      surrender of this certificate properly endorsed.  This certificate and the
      shares  represented  hereby are issued and shall be held subject to all of
      the  provisions of the  Declaration  of Trust of the Trust to all of which
      the holder by acceptance  hereof  assents.  This  certificate is not valid
      until countersigned by the Transfer Agent.

      WITNESS the  facsimile  seal of the Trust and the  signatures  of its duly
      authorized officers.

      (signature at left of seal)   Dated:    (signature   at  right  of   seal)

      /s/ Brian W. Wixted                      /s/ Bridget Macaskill
      -------------------------                 -------------------------
      TREASURER                                 PRESIDENT


                              (centered at bottom)
                         1-1/2" diameter facsimile seal
                                   with legend
                           CENTENNIAL TAX EXEMPT TRUST
                                      SEAL
                                      1985
                          COMMONWEALTH OF MASSACHUSETTS

(at lower right, printed vertically)            Countersigned
                                                SHAREHOLDER SERVICES, INC.
                                                Denver (CO)       Transfer Agent


                                                By
                                                --------------------------------
                                                Authorized Signature


II. BACK OF CERTIFICATE (text reads from top to bottom of 11" dimension)

      The following  abbreviations,  when used in the inscription on the face of
this  certificate,  shall be  construed  as though they were written out in full
according to applicable laws or regulations.

TEN COM - as tenants in common TEN ENT - as tenants by the  entirety JT TEN WROS
NOT TC - as joint tenants with
                      rights of survivorship and not
                      as tenants in common

UNIF GIFT/TRANSFER MIN ACT - __________________       Custodian _______________
                                    (Cust)                              (Minor)

                                    UNDER UGMA/UTMA   ___________________
                                                             (State)


Additional abbreviations may also be used though not in the above list.

For Value Received ............ hereby sell(s), assign(s), and transfer(s) unto


PLEASE INSERT SOCIAL SECURITY OR
OTHER IDENTIFYING NUMBER OF ASSIGNEE
AND PROVIDE CERTIFICATION BY TRANSFEREE
(box for identifying number)



- -----------------------------------------------------------------------
 (Please print or type name and address of assignee)

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

- --------------------------------------------------------  Shares  of  beneficial
interest  represented  by the  within  Certificate,  and do  hereby  irrevocably
constitute and appoint ___________________  Attorney to transfer the said shares
on the books of the within  named Trust with full power of  substitution  in the
premises.


Dated: ----------------------

                                    Signed: --------------------------------

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

                                          (Both must sign if joint owners)

                                    Signature(s) ---------------------------
                                    guaranteed        Name of Guarantor
                                    by: ------------------------------------
                                          Signature of Officer/Title

(text printed  NOTICE:  The  signature(s)  to this assignment must vertically to
right  correspond with the name(s) as written upon the of above  paragraph) face
of the certificate in every particular  without alteration or enlargement or any
change whatever.

(text printed in        Signatures must be guaranteed by a financial
box to left of                institution of the type described in the
signature(s))                 current prospectus of the Fund.


PLEASE NOTE: This document contains       CENTENNIAL
a watermark when viewed at an angle.      ASSET MANAGEMENT CORPORATION
It is invalid without this watermark:

      -------------------------------------------------------------------------
                    THIS SPACE MUST NOT BE COVERED IN ANY WAY



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