KIDDER PEABODY CASH RESERVE FUND INC
497, 1995-12-12
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Prospectus                                                      December 1, 1995
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              PaineWebber/Kidder, Peabody Cash Reserve Fund, Inc.
    1285 AVENUE OF THE AMERICAS   NEW YORK, NEW YORK 10019   (800) 647-1568
PaineWebber/Kidder,   Peabody  Cash  Reserve  Fund,   Inc.  (the  'Fund')  is  a
diversified, open-end,  management  investment  company. Its  objective  is  the
maximization of current income to the extent consistent with the preservation of
capital  and the  maintenance of liquidity.  The Fund pursues  this objective by
investing in short-term money market instruments. There can be no assurance that
the Fund's objective will be realized. See 'Investment Objective and  Management
Policies.'  Shares of the Fund are  offered exclusively to existing shareholders
and shareholders of other PaineWebber/Kidder, Peabody money market funds who may
exchange their shares for shares of the Fund.
 
The board of directors  of the Fund  has approved a  Plan of Reorganization  and
Termination  ('Reorganization') for submission to  the Fund's shareholders, at a
special meeting  expected to  be held  on  February 13,  1996. If  the  proposed
Reorganization  is approved  and implemented, all  of the Fund's  assets will be
acquired and its liabilities assumed  by PaineWebber RMA Money Market  Portfolio
in  a tax-free reorganization. As a result of the Reorganization, the two funds'
assets would be combined and each Fund shareholder would, on the closing date of
the transaction, receive shares of PaineWebber RMA Money Market Portfolio having
an aggregate value equal to the value of the shareholder's holdings in the Fund.
There can  be  no  assurance  that the  Fund's  shareholders  will  approve  the
Reorganization.
 
An  investment  in  the Fund  is  neither  insured nor  guaranteed  by  the U.S.
Government. While the Fund seeks to maintain  a stable net asset value of  $1.00
per share, there can be no assurance that it will be able to do so.
 
PaineWebber Incorporated ('PaineWebber'), 1285 Avenue of the Americas, New York,
New  York  10019, serves  as the  Fund's  investment adviser,  administrator and
distributor. Mitchell Hutchins Asset Management Inc. ('Mitchell Hutchins'), 1285
Avenue of the Americas, New York, New  York 10019, a wholly owned subsidiary  of
PaineWebber,  serves  as  the  Fund's  sub-adviser  and  sub-administrator.  See
'Management of the Fund.'
 
The Fund's Board of  Directors has approved a  Plan of Distribution pursuant  to
Rule   12b-1  under   the  Investment  Company   Act  of  1940   (the  'Plan  of
Distribution'), pursuant to which the Fund pays a maximum annual fee of .12%  of
its average daily net assets to PaineWebber. See 'The Distributor.'
 
This  Prospectus  sets forth  concisely the  information about  the Fund  that a
prospective investor ought to know before investing. Investors should read  this
Prospectus  and retain it for future reference. Additional information about the
Fund has been filed with the Securities and Exchange Commission (the 'SEC') in a
Statement of  Additional Information  dated  December 1,  1995 which  is  hereby
incorporated  by reference and is available  without charge upon request made to
the Fund at the above address. Shareholder inquiries may be directed to the Fund
at the same address.
 
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               INVESTMENT ADVISER, ADMINISTRATOR AND DISTRIBUTOR
                            PaineWebber Incorporated
                       SUB-ADVISER AND SUB-ADMINISTRATOR
                    Mitchell Hutchins Asset Management Inc.
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   THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
     AND EXCHANGE COMMISSION OR ANY  STATE SECURITIES COMMISSION NOR  HAS
       THE  SECURITIES AND EXCHANGE COMMISSION  OR ANY STATE SECURITIES
         COMMISSION PASSED  UPON THE  ACCURACY  OR ADEQUACY  OF  THIS
              PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
                               CRIMINAL OFFENSE.
  
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                                   FEE TABLE
 
The  purpose of  the Fee Table  is to  assist the investor  in understanding the
various costs and expenses that  an investor in the  Fund will bear directly  or
indirectly.  For  more detailed  information on  these  costs and  expenses, see
'Management of the Fund' and 'The Distributor.'
 
<TABLE>
<S>                                                                                                  <C>
ANNUAL FUND OPERATING EXPENSES FOR THE FISCAL YEAR ENDED JULY 31, 1995
(as a percentage of average daily net assets)
Management Fees.....................................................................................    .47%
12b-1 Fees..........................................................................................    .12
Other Expenses......................................................................................    .15
                                                                                                        ---
             Total Fund Operating Expenses..........................................................    .74%
                                                                                                        ---
                                                                                                        ---
</TABLE>
 
<TABLE>
<CAPTION>
EXAMPLE*                                     1 YEAR         3 YEARS         5 YEARS         10 YEARS
- ---------------------------------------  --------------  --------------  --------------  --------------
<S>                                      <C>             <C>             <C>             <C>
A shareholder would  pay the  following
  expenses   on  a  $1,000  investment,
  assuming (1)  5% annual  return,  (2)
  total  annual  operating  expenses as
  shown in the fee table set out  above
  and (3) redemption at the end of each
  time period:.........................        $8             $24             $41             $92
                                               --             ---             ---             ---
</TABLE>
 
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* The  amounts shown  in the  example assume  reinvestment of  all dividends and
  distributions and should not be considered a representation of past or  future
  expenses. Actual expenses may be greater or less than those shown. The assumed
  5% annual return is hypothetical and should not be considered a representation
  of  the Fund's past or  future annual return. The  actual annual return of the
  Fund may be greater or less than the assumed return.
 
                                       2
 
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                                   HIGHLIGHTS
 
<TABLE>
<S>                         <C>
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- -------------------
The Fund
                            The Fund is a diversified, open-end,  management investment company whose investment  objective
                            is the maximization of current income to the extent consistent with the preservation of capital
                            and  the maintenance  of liquidity through  investments in short-term  money market instruments
                            including securities  issued  or  guaranteed  by  the  U.S.  Government,  or  its  agencies  or
                            instrumentalities,  corporate obligations including, but not  limited to, bonds, debentures and
                            notes, certificates of deposit, time deposits,  bankers' acceptances and other short-term  bank
                            obligations  issued by domestic banks, foreign branches  of domestic banks and savings and loan
                            and similar associations, repurchase agreements and  high grade commercial paper. In  addition,
                            the  Fund may invest in obligations of foreign banks and institutions which have the equivalent
                            credit ratings of  domestic issues,  including, but  not limited  to, Yankee  and foreign  bank
                            bankers' acceptances and commercial paper.
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- -------------------
Benefits of                  Mutual  funds,  such  as  the  Fund,  are  flexible  investment  tools  that  are increasingly
Investing                    popular -- one of four American households now owns  shares of at least one mutual fund -- for
in the                       very sound reasons. The Fund offers investors the following important benefits:
Fund                        Professional Management
                             By pooling the monies of many investors, the Fund enables shareholders to obtain  the benefits
                             of  full-time professional management  and a degree  of diversification of  investment that is
                             typically beyond  the means  of most  investors.  The Fund's  investment adviser  reviews  the
                             fundamental  characteristics of far more securities than can a typical individual investor and
                             may employ portfolio management techniques that frequently are not used by individual or  many
                             institutional  investors. Additionally,  the larger denominations  of securities  in which the
                             Fund invests  may  result  in better  overall  prices  for the  investments.  See  'Investment
                             Objective and Management Policies.'
                            Transaction Savings
                             By  investing  in the  Fund, a  shareholder is  able  to acquire  ownership in  a  diversified
                             portfolio of securities without paying the higher transaction costs generally associated  with
                             a series of small securities purchases.
                            Convenience
                             Fund   shareholders  are  relieved  of  the  administrative  and   recordkeeping  burdens  and
                             coordination of maturities normally associated with direct ownership of securities.
                            Quality
                             All securities  in which  the Fund invests  will be  determined to be  of high  quality  by  a
                             nationally  recognized rating organization, or  determined to be of  comparable quality by the
                             Fund's investment adviser acting  under the supervision  of the Board of  Directors if not  so
                             rated,  and will also be  determined to present minimal credit  risks. Any purchase of unrated
</TABLE>
 
                                       3
 
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<TABLE>
<S>                         <C>
                             securities or securities that  are rated only by  a single rating agency  must be approved  or
                             ratified by the Directors.
                            Liquidity
                             The  Fund's convenient  purchase and  redemption procedures  provide shareholders  with  ready
                             access to their money  and reduce the  delays frequently involved in  the direct purchase  and
                             sale of securities. See 'Purchase of Shares' and 'Redemption of Shares.'
                            Exchange Privilege
                             Shareholders  of  the Fund  may exchange  all  or a  portion of  their  shares for  shares  of
                             specified PaineWebber/Kidder, Peabody money market funds. See 'Exchange Privilege.'
- ---------------------------------------------------------------------------------------------------------------------------
- -------------------
Purchase of                 The purchase price for  shares of the  Fund is the  net asset value  per share next  determined
Shares                      after  receipt by the Fund of  a purchase order in proper form.  Shares of the Fund are offered
                            exclusively to existing shareholders of the Fund and shareholders of other  PaineWebber/Kidder,
                            Peabody  money market funds who may exchange their shares for shares of the Fund. See 'Purchase
                            of Shares' and 'Determination of Net Asset Value.'
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- -------------------
Redemption of               Shares of the Fund  may be redeemed  at the Fund's  net asset value  per share next  determined
Shares                      after   receipt  by   the  transfer  agent   of  instructions   from  PaineWebber  Incorporated
                            ('PaineWebber'). See 'Redemption of Shares' for a discussion of the various alternative methods
                            of redeeming shares of the Fund and 'Determination of Net Asset Value.'
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Management                  PaineWebber serves as investment adviser and administrator  of the Fund and receives an  annual
Services                    fee  of .50% of the portion of the Fund's  average daily net assets not exceeding $750 million;
                            .475% of the portion of the average daily  net assets exceeding $750 million but not  exceeding
                            $1  billion; .45% of the portion  of the average daily net  assets exceeding $1 billion but not
                            exceeding $1.25 billion; .425% of the portion  of the average daily net assets exceeding  $1.25
                            billion but not exceeding $1.5 billion; and .40% of the portion of the average daily net assets
                            exceeding $1.5 billion. Mitchell Hutchins Asset Management Inc. ('Mitchell Hutchins') serves as
                            the  Fund's sub-adviser and sub-administrator and receives  from PaineWebber (not the Fund) 20%
                            of the fee received by PaineWebber from the Fund. See 'Management of the Fund.'
</TABLE>
 
                                       4
 
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<PAGE>
<TABLE>
<S>                         <C>
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Distributor                 PaineWebber serves as distributor of the Fund's shares. See 'The Distributor.'
- ---------------------------------------------------------------------------------------------------------------------------
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Dividends                   The Fund declares dividends on each day the New York Stock Exchange is open for business of all
                            of its daily net income to shareholders of record. See 'Dividends, Distributions and Taxes.'
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- -------------------
Risk Factors                The Fund  may invest  in  securities issued  by foreign  branches  of domestic  banks,  foreign
                            subsidiaries  of domestic banks, domestic and foreign  branches of foreign banks and commercial
                            paper issued by  foreign issuers,  which may  present certain  additional risks.  Also, to  the
                            extent  the Fund's  investments are concentrated  in the  banking industry, the  Fund will have
                            correspondingly greater  exposure  to  the  risk  factors  which  are  characteristic  of  such
                            investments. In addition, the Fund may enter into repurchase agreements. In the event the other
                            party  to  a repurchase  agreement defaults,  the  Fund may  experience difficulties  and incur
                            certain costs in exercising its rights to the collateral and may lose the interest it  expected
                            to  receive in respect  of the repurchase  agreement. See 'Investment  Objective and Management
                            Policies -- Risk Factors.'
</TABLE>
 
                                       5
 
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                              FINANCIAL HIGHLIGHTS
 
The table below  provides selected per  share data  and ratios for  each of  the
periods  shown. This information is supplemented by the financial statements and
accompanying notes appearing in the Fund's Annual Report to Shareholders for the
fiscal year ended July  31, 1995, which are  incorporated by reference into  the
Statement of Additional Information. The financial statements and notes, and the
financial  information for the fiscal year ended  July 31, 1995 appearing in the
table below, have been audited by Ernst & Young LLP, independent auditors, whose
report thereon is included in the  Annual Report to Shareholders. The  financial
information  for  the prior  fiscal years  was audited  by other  auditors whose
reports  thereon  were  unqualified.   Further  information  about  the   Fund's
performance  is also included in the Annual Report to Shareholders, which may be
obtained without charge.
<TABLE>
<CAPTION>
                                           YEAR ENDED JULY 31,
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                               1986        1987        1988        1989        1990
<S>                            <C>         <C>         <C>         <C>         <C>
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Net asset value,
 beginning of
 period.............           $1.00       $1.00       $1.00       $1.00       $1.00
                        ------------------------------------------------------------
Net investment
 income.............          0.0693      0.0563      0.0650      0.0834      0.0785
Dividends from net
 investment income..         (0.0693)    (0.0563)    (0.0650)    (0.0834)    (0.0785)
                        ------------------------------------------------------------
Net asset value, end
 of period..........           $1.00       $1.00       $1.00       $1.00       $1.00
                        ------------------------------------------------------------
                        ------------------------------------------------------------
Total investment
 return(1)..........            7.14%       5.73%       6.69%       8.63%       8.13%
RATIOS/SUPPLEMENTAL
 DATA
Net assets, end of
 year (000's).......      $1,546,673  $1,528,880  $1,541,747  $1,959,024  $2,091,165
                        ------------------------------------------------------------
                        ------------------------------------------------------------
RATIO TO AVERAGE NET
 ASSETS
   Expenses,
     including
     distribution
     fees...........            0.65%       0.64%       0.60%       0.65%       0.68%
   Net investment
     income.........            6.89%       5.62%       6.49%       8.38%       7.85%
</TABLE>

 
<TABLE>
<CAPTION>
                                           YEAR ENDED JULY 31,
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                            1991        1992        1993        1994        1995
<S>                         <C>         <C>         <C>         <C>         <C>
- ----------------------------------------------------------------------------------
Net asset value,
 beginning of
 period.............       $1.00        $1.00       $1.00       $1.00       $1.00
                      ------------------------------------------------------------
Net investment
 income.............      0.0655       0.0405      0.0258      0.0285      0.0484
Dividends from net
 investment income..     (0.0655)     (0.0405)    (0.0258)    (0.0285)    (0.0484)
                      ------------------------------------------------------------
Net asset value, end
 of period..........       $1.00        $1.00       $1.00       $1.00       $1.00
                      ------------------------------------------------------------
                      ------------------------------------------------------------
Total investment
 return(1)..........        6.75%        4.22%       2.62%       2.87%       4.95%
RATIOS/SUPPLEMENTAL
 DATA
Net assets, end of
 year (000's).......  $2,171,758   $1,860,557  $1,781,248  $1,750,448  $1,412,127
                      ------------------------------------------------------------
                      ------------------------------------------------------------
RATIO TO AVERAGE NET
 ASSETS
   Expenses,
     including
     distribution
     fees...........        0.66%        0.68%       0.72%       0.70%       0.74%
   Net investment
     income.........        6.52%        4.09%       2.58%       2.85%       4.84%
</TABLE>
 
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(1) Total investment return is  calculated assuming a  $1,000 investment on  the
    first  day of  each period  reported, reinvestment  of all  dividends at net
    asset value on the payable  date and a sale at  net asset value on the  last
    day of each period reported.
 
                                       6

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                                     YIELD
 
The  chart below  shows the Fund's  current and effective  yields, calculated in
accordance with rules  of the SEC,  and the average  portfolio maturity for  the
seven-day periods ended July 31, 1995 and November 1, 1995.
 
<TABLE>
<CAPTION>
                                                                                  7/31/95    11/1/95
                                                                                  --------   --------
 
<S>                                                                               <C>        <C>
Current Yield..................................................................    5.19%      5.08%
Effective Yield................................................................    5.33%      5.21%
Average Portfolio Maturity.....................................................   47 days    34 days
</TABLE>
 
     From  time to time, the Fund  advertises its 'current yield' and 'effective
yield.' Both yield figures are based on historical earnings and are not intended
to indicate future performance.  The 'current yield' of  the Fund refers to  the
income  generated by an  investment in the  Fund over a  seven-day period (which
period will be stated in the  advertisement). This income is then  'annualized.'
That  is, the amount of  income generated by the  investment during that week is
assumed to  be generated  each week  over a  52-week period  and is  shown as  a
percentage of the investment. The 'effective yield' is calculated similarly but,
when annualized, the income earned by an investment in the Fund is assumed to be
reinvested.  The 'effective  yield' will  be slightly  higher than  the 'current
yield' because  of the  compounding  effect of  this assumed  reinvestment.  The
Statement of Additional Information describes in more detail the methods used to
calculate the yields of the Fund.
 
     Performance  data for the Fund may,  in reports and promotional literature,
be compared to:  (i) other  mutual funds  tracked by  IBC/Donoghue's Money  Fund
Report  and Lipper Analytical  Services, widely used  independent research firms
which rank  mutual  funds by  overall  performance, investment  objectives,  and
assets,  or tracked by  other services, companies,  publications, or persons who
rank mutual  funds on  overall  performance or  other criteria;  (ii)  unmanaged
indices  so that investors may compare the  Fund's results with those of a group
of unmanaged securities widely  regarded by investors  as representative of  the
securities  markets in general; and (iii) the Consumer Price Index, an inflation
measure. Promotional and advertising literature also may refer to discussions of
the Fund and comparative  mutual fund data and  ratings reported in  independent
periodicals.
 
                  INVESTMENT OBJECTIVE AND MANAGEMENT POLICIES
 
The  Fund seeks  to maximize  current income to  the extent  consistent with the
preservation of capital and the maintenance of liquidity. The Fund's  investment
objective cannot be changed without approval by the holders of a majority of the
Fund's  outstanding voting shares,  as defined in the  Investment Company Act of
1940, as  amended  (the  'Act'). There  can  be  no assurance  that  the  Fund's
investment  objective will be achieved. Securities in which the Fund invests may
not earn  as high  a  level of  current income  as  long-term or  lower  quality
securities  which generally  have less liquidity,  greater market  risk and more
fluctuation in market value.
 
     To achieve its investment objective,  the Fund invests in debt  obligations
(whether  or not subject to repurchase agreements) consisting exclusively of the
following short-term money market  instruments: securities issued or  guaranteed
by   the  U.S.  Government  or  its  agencies  or  instrumentalities,  corporate
obligations (including,  but  not  limited to,  bonds,  debentures  and  notes),
certificates of deposit ('CDs'), time deposits ('TDs'), bankers' acceptances and
other
 
                                       7
 
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short-term  bank  obligations  issued  by domestic  banks,  foreign  branches of
domestic banks  and  savings  and  loan  and  similar  associations,  repurchase
agreements  and high grade commercial paper. In addition, the Fund may invest in
obligations of foreign banks and  institutions which have the equivalent  credit
ratings  of domestic issues,  including, but not limited  to, Yankee and foreign
bank bankers' acceptances  and commercial  paper. All  portfolio securities  are
purchased with and payable in U.S. dollars.
 
     Securities  issued or guaranteed  as to principal and  interest by the U.S.
Government include  a variety  of  Treasury securities,  which differ  in  their
interest  rates, maturities and  times of issuance:  Treasury Bills have initial
maturities of one year or less; Treasury Notes have initial maturities of one to
ten years; and Treasury Bonds generally have initial maturities of greater  than
ten   years.   Some   obligations   issued   or   guaranteed   by   agencies  or
instrumentalities of the U.S. Government, such as those issued by the Government
National Mortgage Association, are supported by the full faith and credit of the
Treasury; others, such as those  issued by the Federal  Home Loan Banks, by  the
right of the issuer to borrow from the Treasury; others, such as those issued by
the  Federal National  Mortgage Association,  by discretionary  authority of the
U.S.  Government   to   purchase   certain  obligations   of   the   agency   or
instrumentality;  and others, such as those issued by the Student Loan Marketing
Association, only  by  the  credit  of  the  agency  or  instrumentality.  These
securities  bear fixed,  floating or  variable rates  of interest.  Interest may
fluctuate based on generally recognized  reference rates or the relationship  of
rates. No assurance can be given that the U.S. Government will provide financial
support  to such U.S. Government sponsored  agencies or instrumentalities in the
future, since it  is not obligated  to do so  by law. The  Fund invests in  such
securities  only when the Fund is satisfied that the credit risk with respect to
the issuer is minimal.
 
     CDs are certificates representing the obligation  of a bank to repay  funds
deposited  with  it  for a  specified  period  of time.  TDs  are non-negotiable
deposits maintained in a banking institution for a specified period of time at a
stated interest rate. TDs maturing in more than seven days are not purchased  by
the  Fund. Bankers' acceptances are credit instruments evidencing the obligation
of a bank to pay  a draft drawn on it  by a customer. These instruments  reflect
the  obligation both of the bank and of the drawer to pay the face amount of the
instrument  upon  maturity.  Other  short-term  bank  obligations  may   include
uninsured,  direct  obligations, bearing  fixed,  floating or  variable interest
rates. Investments in CDs, TDs and bankers' acceptances are limited to banks and
savings and loan and  similar associations having total  assets in excess of  $1
billion.  The  Fund  generally  invests  at least  25%  of  its  assets  in such
securities. See 'Risk Factors' below.
 
     Commercial paper purchased by the Fund consists only of direct  obligations
issued  by domestic  and foreign  entities. The  other corporate  obligations in
which the  Fund may  invest consist  of high  quality, U.S.  dollar  denominated
short-term bonds and notes issued by domestic and foreign corporations.
 
     Under  a  repurchase  agreement,  the  Fund  acquires  an  underlying  debt
instrument for  a relatively  short  period (usually  not  more than  one  week)
subject  to an obligation of the seller to repurchase and the Fund to resell the
instrument at a fixed price and  time, thereby determining the yield during  the
Fund's  holding period. This  results in a  fixed rate of  return insulated from
market fluctuations during such period. Under the Act, repurchase agreements may
be considered loans by the Fund.  The Fund may enter into repurchase  agreements
only  with domestic banks or selected dealers or foreign banks and dealers which
are primary dealers with
 
                                       8
 
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<PAGE>
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respect to  securities  of the  type  in which  it  invests, and  requires  that
additional  securities  be deposited  with  it if  the  value of  the securities
purchased should decrease  below resale price.  The Fund's risk  of incurring  a
loss  on a  repurchase agreement  may be reduced  thereby. Certain  costs may be
incurred by the Fund in connection with the sale of the securities if the seller
does not  repurchase  them  in  accordance with  the  repurchase  agreement.  In
addition,  if bankruptcy proceedings are commenced with respect to the seller of
the securities, realization upon  the securities by the  Fund may be delayed  or
limited.  Repurchase agreements maturing in more than seven days will not exceed
10% of the value of the Fund's net assets.
 
     The Fund  from time  to time  may  lend securities  from its  portfolio  to
brokers, dealers and financial institutions and receive collateral consisting of
cash or securities issued or guaranteed by the U.S. Government, which collateral
will  be maintained  at all times  in an  amount equal to  at least  100% of the
current market value of the loaned securities. The Fund continues to be entitled
to the interest  payable on  the loaned  securities and,  in addition,  receives
interest on the amount of the loans at a rate negotiated with the borrower. Such
loans  are terminable at any time upon  specified notice. The Fund has the right
to regain record ownership of loaned securities in order to exercise  beneficial
rights.  The Fund may pay reasonable fees  to persons unaffiliated with the Fund
in connection with arranging such  loans. Such loans may  not exceed 20% of  the
value of the Fund's total assets.
 
     The  Fund may  (i) borrow  money, but  only from  banks for  the purpose of
meeting  redemption  requests  which   might  otherwise  require  the   untimely
disposition  of securities, in  an amount up to  10% of the  value of the Fund's
total assets (including  the amount borrowed)  valued at the  lesser of cost  or
market,  less liabilities  (not including the  amount borrowed) at  the time the
borrowing is made; (ii) pledge  its assets, but only in  an amount up to 10%  of
the  value of its total  assets to secure borrowings  for temporary or emergency
purposes; (iii) lend  its portfolio securities  up to  20% of the  value of  its
assets;  and (iv) invest up to 25% of its assets in the securities of issuers in
any other industry, provided that there is no such limitation on investments  in
obligations  issued  or  guaranteed  by the  U.S.  Government,  its  agencies or
instrumentalities, CDs and bankers'  acceptances. Further information about  the
investment  policies  of the  Fund, including  a list  of the  Fund's investment
restrictions which cannot  be changed without  shareholder approval, appears  in
the Statement of Additional Information.
 
     The  Fund  seeks to  maintain  a net  asset value  of  $1.00 per  share for
purchases and redemptions. To do so, the Fund uses the amortized cost method  of
valuing its securities pursuant to Rule 2a-7 under the Act, certain requirements
of  which are summarized as  follows. In accordance with  Rule 2a-7, the Fund is
required to maintain a dollar-weighted average portfolio maturity of 90 days  or
less,  purchase only instruments having remaining maturities of 397 days or less
and invest only in U.S.  dollar denominated securities determined in  accordance
with  procedures established by the Board of Directors to present minimal credit
risks and which are rated in one  of the two highest rating categories for  debt
obligations   by  at   least  two   nationally  recognized   statistical  rating
organizations (or one rating  organization if the instrument  was rated only  by
one  such organization) or, if unrated,  are of comparable quality as determined
in accordance  with  procedures  established  by the  Board  of  Directors.  The
nationally   recognized  statistical   rating  organizations   currently  rating
instruments of the  type the Fund  may purchase are  Moody's Investors  Service,
Inc.  and Standard & Poor's,  a division of The  McGraw Hill Companies, Inc. and
their rating  criteria  are described  in  the Fund's  Statement  of  Additional
Information.
 
                                       9
 
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     In  addition, the Fund will not invest more  than 5% of its total assets in
the securities (including the securities collateralizing a repurchase agreement)
of, or subject to puts issued by, a single issuer, except that (i) the Fund  may
invest more than 5% of its total assets in a single issuer for a period of up to
three  business days in certain limited  circumstances, (ii) the Fund may invest
in obligations issued  or guaranteed  by the  U.S. Government  without any  such
limitation,  and (iii)  the limitation  with respect to  puts does  not apply to
unconditional puts if not more than 10%  of the Fund's total assets is  invested
in  securities  issued or  guaranteed by  the issuer  of the  unconditional put.
Investments in rated securities  not rated in the  highest category by at  least
two rating organizations (or one rating organization if the instrument was rated
by  only one  such organization), and  unrated securities not  determined by the
Board of Directors to be comparable to those rated in the highest category, will
be limited to 5% of the Fund's total assets, with the investment in any one such
issuer being limited  to no  more than  the greater of  1% of  the Fund's  total
assets or $1,000,000. As to each security, these percentages are measured at the
time  the Fund  purchases the  security. For  further information  regarding the
amortized cost method  of valuing  securities, see 'Determination  of Net  Asset
Value'  in  the Fund's  Statement  of Additional  Information.  There can  be no
assurance that the Fund  will be able  to maintain a stable  net asset value  of
$1.00 per share.
 
RISK FACTORS
 
Since  the Fund's portfolio may contain securities issued by foreign branches of
domestic banks, foreign  subsidiaries of  domestic banks,  domestic and  foreign
branches  of foreign banks, and commercial  paper issued by foreign issuers, the
Fund may  be  subject  to  additional investment  risks  with  respect  to  such
securities  that are different  in some respects  from those incurred  by a fund
which invests  only in  debt obligations  of U.S.  domestic issuers.  In  making
foreign  investments, therefore, the Fund will give appropriate consideration to
the following factors, among others.
 
     Foreign securities markets generally are  not as developed or efficient  as
those  in the United States. Securities of  some foreign issuers are less liquid
and more volatile than securities of comparable U.S. issuers. Similarly,  volume
and  liquidity in most  foreign securities markets  are less than  in the United
States and, at  times, volatility of  price can  be greater than  in the  United
States.  The issuers of some of these  securities, such as bank obligations, may
be subject to less stringent or  different regulation than are U.S. issuers.  In
addition,  there may  be less  publicly available  information about  a non-U.S.
issuer, and non-U.S. issuers generally are not subject to uniform accounting and
financial reporting standards,  practices and requirements  comparable to  those
applicable to U.S. issuers.
 
     Because  evidences of ownership of such securities usually are held outside
the United  States,  the Fund  is  subject  to additional  risks  which  include
possible  adverse  political  and  economic  developments,  possible  seizure or
nationalization of  foreign  deposits  and  possible  adoption  of  governmental
restrictions  which might adversely affect the payment of principal and interest
on the  foreign  securities or  might  restrict  the payment  of  principal  and
interest  to investors located  outside the country of  the issuer, whether from
currency blockage or otherwise. The Fund does not purchase securities which  the
Fund  believes, at the time of purchase, will be subject to exchange controls or
withholding taxes. However,  there can be  no assurance that  such laws may  not
become applicable to certain of the Fund's investments.
 
                                       10
 
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     To  the  extent  the Fund's  investments  are concentrated  in  the banking
industry, the  Fund  will have  correspondingly  greater exposure  to  the  risk
factors  which are  characteristic of  such investments.  Sustained increases in
interest rates can adversely  affect the availability or  liquidity and cost  of
capital  funds for a  bank's lending activities, and  a deterioration in general
economic conditions could increase the  exposure to credit losses. In  addition,
the value of and the investment return on the Fund's shares could be affected by
economic or regulatory developments in or related to the banking industry, which
industry  also is subject to the effects of the concentration of loan portfolios
in leveraged transactions and in  particular businesses, and competition  within
the  banking industry as well as with other types of financial institutions. The
Fund, however, seeks to minimize its exposure to such risks by investing only in
debt securities which are determined to be of high quality.
 
     The Fund  attempts to  increase  yields by  trading  to take  advantage  of
short-term  market  variations.  This  policy  is  expected  to  result  in high
portfolio turnover  but should  not adversely  affect the  Fund since  the  Fund
usually  does not  pay brokerage commissions  when it  purchases short-term debt
obligations. The  value of  the portfolio  securities held  by the  Fund  varies
inversely  to changes in prevailing interest rates. Thus, if interest rates have
increased from the time a security was purchased, such security, if sold,  might
be  sold at a  price less than  its purchase cost.  Similarly, if interest rates
have declined from the  time a security was  purchased, such security, if  sold,
might  be sold at a price greater than its purchase cost. In either instance, if
the security was purchased at face value  and held to maturity, no gain or  loss
would be realized.
 
                             MANAGEMENT OF THE FUND
 
DIRECTORS AND OFFICERS
 
Overall responsibility for management and supervision of the Fund rests with its
Board  of Directors, as  required by Maryland law.  The day-to-day operations of
the Fund  are conducted  through or  under the  direction of  its officers.  The
Statement  of  Additional  Information contains  general  background information
regarding each Director and officer of the Fund.
 
MANAGEMENT
 
At a special meeting of shareholders on April 13, 1995, shareholders approved  a
new  investment advisory and administration agreement with PaineWebber and a new
sub-advisory  and   sub-administration   agreement   with   Mitchell   Hutchins.
PaineWebber  and Mitchell Hutchins  are located at 1285  Avenue of the Americas,
New York, New  York 10019.  Mitchell Hutchins is  a wholly  owned subsidiary  of
PaineWebber,  which  in turn  is  wholly owned  by  Paine Webber  Group  Inc., a
publicly owned  financial services  holding  company. As  of October  31,  1995,
PaineWebber  or Mitchell Hutchins served as investment adviser or sub-adviser to
38 investment  companies  with  an  aggregate  of  75  separate  portfolios  and
aggregate assets of over $29 billion.
 
     The  Fund  pays the  same fee  for  investment advisory  and administration
services to PaineWebber as previously  paid to Kidder Peabody Asset  Management,
Inc.  ('KPAM'),  the Fund's  predecessor  investment adviser  and administrator.
PaineWebber (not the  Fund) pays Mitchell  Hutchins a fee  for sub-advisory  and
sub-administration  services at the  annual rate of  20% of the  fee received by
PaineWebber from the Fund. PaineWebber and Mitchell Hutchins continue to  manage
the  Fund  in  accordance with  the  Fund's investment  objective,  policies and
restrictions.
 
                                       11
 
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     The Fund pays PaineWebber, as compensation for services rendered, a monthly
fee at the annual rate  of .50% of the portion  of the Fund's average daily  net
assets not exceeding $750 million; .475% of the portion of the average daily net
assets  exceeding $750 million but not exceeding $1 billion; .45% of the portion
of the average  daily net assets  exceeding $1 billion  but not exceeding  $1.25
billion;  .425% of the portion  of the average daily  net assets exceeding $1.25
billion but not exceeding $1.5 billion; and  .40% of the portion of the  average
daily  net assets  exceeding $1.5  billion. For the  fiscal year  ended July 31,
1995, PaineWebber's fee was .47% of the Fund's average daily net assets and  the
Fund's total expenses represented .74% of its average daily net assets.
 
     Mitchell  Hutchins  manages the  Fund's  portfolio in  accordance  with the
stated policies of the Fund, makes investment decisions for the Fund and  places
the  purchase and  sale orders  for portfolio  transactions. Although investment
decisions for the Fund are made  independently from those of the other  accounts
managed by Mitchell Hutchins, investments of the type the Fund may make may also
be  made by those other  accounts. When the Fund and  one or more other accounts
managed by Mitchell Hutchins are prepared to invest in, or desire to dispose of,
the  same  security,  available  investments  or  opportunities  for  sales  are
allocated  in a manner believed by Mitchell Hutchins to be equitable to each. In
some cases, this procedure  may adversely affect the  price paid or received  by
the Fund or the size of the position obtained or disposed of by the Fund.
 
     Mitchell   Hutchins   investment   personnel  may   engage   in  securities
transactions  for  their  own  accounts  pursuant  to  a  code  of  ethics  that
establishes   procedures   for   personal   investing   and   restricts  certain
transactions.
 
                             PORTFOLIO TRANSACTIONS
 
Mitchell Hutchins places  the orders  for the purchase  and sale  of the  Fund's
portfolio  securities. Transactions are allocated to various dealers by Mitchell
Hutchins in its best judgment. The primary consideration is prompt and effective
execution of  orders  at the  most  favorable  price. Subject  to  that  primary
consideration,  dealers  may  be  selected for  research,  statistical  or other
services to enable Mitchell Hutchins to supplement its own research and analysis
with  the  views  and  information  of  other  securities  firms.  No  brokerage
commissions have been paid to date.
 
     Investment  decisions for the Fund are made independently from those of any
other fund(s)  managed  by Mitchell  Hutchins.  If, however,  funds  managed  by
Mitchell Hutchins are simultaneously engaged in the purchase or sale of the same
security,  the transactions are averaged as  to price and allocated equitably to
each fund. In some cases, this system  might adversely affect the price paid  or
received by the Fund or the size of the position obtainable for the Fund.
 
                               PURCHASE OF SHARES
 
GENERAL INFORMATION
 
PaineWebber  serves as  the Fund's distributor.  Shares of the  Fund are offered
exclusively to existing shareholders and must be maintained through a  brokerage
account  with PaineWebber (an 'Account'). PaineWebber charges no maintenance fee
in connection  with an  Account through  which an  investor purchases  or  holds
shares of the Fund.
 
                                       12
 
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     Shares  are  sold on  a  continuous basis  at  their net  asset  value next
determined after an order and good funds (e.g., cash, Federal funds or certified
checks drawn on a United States bank) are received. If an investor does not have
a sufficient credit balance in his Account, payment for shares must be converted
into Federal funds  before an order  to purchase is  effective. Purchase  orders
received before 12:00 noon, Eastern time, for which payment has been received by
PaineWebber  will be executed at that time  and the shareholder will receive the
dividend declared  on  that day.  Purchase  orders received  after  12:00  noon,
Eastern  time, and purchase  orders received earlier  in the same  day for which
payment has not been received by 12:00  noon, Eastern time, will be executed  at
the close of regular trading on the New York Stock Exchange, if payment has been
received  by  PaineWebber by  that time,  and the  shareholder will  receive the
dividend declared on the following day.
 
     Credit balances for  accounts from $1  to $4,999  will be swept  as of  the
close of business each Friday for settlement on the next business day and credit
balances  of  $5,000 or  more will  be swept  daily for  settlement on  the next
business day. The Fund reserves the right at any time to impose minimum  initial
and subsequent purchase amounts.
 
PURCHASES WITH FUNDS HELD AT PAINEWEBBER
 
All  deposits to a brokerage account and  any free credit cash balances that may
arise in a  brokerage account will  be automatically invested  in shares of  the
Fund,  according to sweep rules described above, provided that Federal funds are
available for  the investment.  Federal funds  normally are  available for  cash
balances  arising from the sale of securities held in a brokerage account on the
business day following settlement, but in some cases can take longer.
 
PURCHASES BY WIRE
 
Shares of the Fund may also be  purchased by transferring Federal funds by  wire
to  a PaineWebber brokerage account. Wire  transfers should be directed to: Bank
of New York, ABA 021000018, PaineWebber Inc., for RMAs/BSAs A/C 890-0114-088 and
for all  other  accounts  A/C  890-0114-096  OBI-FBO  [Account  Name]/[Brokerage
Account  Number].  The wire  must include  the  investor's name  and PaineWebber
brokerage account number.  Participants wishing to  transfer Federal funds  into
their  accounts  should  contact  their  PaineWebber  investment  executives  or
correspondent firms to determine the appropriate wire instructions.
 
     To the extent that the amounts transferred by wire create a cash balance in
an investor's account, that cash balance  will be automatically invested in  the
Fund,  as  described above  under 'Purchases  with  Funds Held  at PaineWebber.'
Participants wishing to invest amounts transferred by wire in the Fund should so
instruct their PaineWebber investment executives or correspondent firms.
 
     If PaineWebber receives a notice from an investor's bank of a wire transfer
of Federal funds by 12:00 noon, Eastern  time, on a business day, the  automatic
investment  will  be executed  on that  business  day. Otherwise,  the automatic
investment will be executed  at 12:00 noon, Eastern  time, on the next  business
day.  PaineWebber and/or an investor's bank may impose a service charge for wire
transfers.
 
                                       13
 
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                              REDEMPTION OF SHARES
 
A shareholder may redeem shares  on any day that the  Fund's net asset value  is
determined by following the procedures set forth below.
 
REDEMPTION THROUGH PAINEWEBBER
 
PaineWebber  wires the terms of any redemption request properly received to PFPC
Inc. The price at which a redemption request is executed is the net asset  value
per  share next  determined after  proper redemption  instructions are received.
Payment for redemption  orders, if  any, that  are received  before 12:00  noon,
Eastern time, normally is made on the same business day. Shares redeemed in this
manner  will not be entitled to the  dividend declared on the day of redemption.
Payment for redemption orders, that are received at or after 12:00 noon, Eastern
time, will be  made on the  next business day  following the redemption.  Shares
redeemed  in this  manner are entitled  to the  dividend declared on  the day of
redemption. Proceeds of a redemption generally are credited to the shareholder's
Account, or sent to the shareholder, as applicable.
 
REDEMPTION BY MAIL
 
Shares may also be redeemed by submitting  a written request in 'good order'  to
PFPC Inc. at the following address:
 
          PFPC Inc.
          P.O. Box 8950
          Wilmington, Delaware 19899
          Attn: PaineWebber Mutual Funds
 
     Redemption  requests received  by PFPC Inc.  by mail are  processed by PFPC
Inc. which  will  mail a  check  in the  appropriate  redemption amount  to  the
shareholder the next business day after receipt of a redemption request in 'good
order.'
 
     A redemption request is considered to have been received in 'good order' if
the following conditions are satisfied:
 
          (1)  the request  is in  writing, states  the number  of shares  to be
     redeemed and identifies the shareholder's Fund account number;
 
          (2) the request  is signed  by each  registered owner  exactly as  the
     shares are registered;
 
          (3) if the  shares to be redeemed were issued in certificate form, the
     certificates are endorsed for transfer (or are themselves accompanied by an
     endorsed stock power) and accompany the redemption request, which should be
     sent by registered mail for the protection of shareholders; and
 
          (4) the  signatures  on  the  written  redemption  request  have  been
     guaranteed by a bank, broker-dealer, municipal securities broker or dealer,
     government  securities broker or  dealer, credit union, a  member firm of a
     national securities exchange, registered securities association or clearing
     agency, or savings association (the purpose of a signature guarantee is  to
     protect  shareholders against the possibility of fraud). The transfer agent
     may reject redemption instructions if the guarantor is neither a member  of
     nor  a participant  in a  signature guarantee  program (currently  known as
     'STAMP'sm'').
 
     Additional  supporting  documents  may  be  required  for  redemptions   by
corporations, executors, administrators, trustees and guardians.
 
                                       14
 
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GENERAL REDEMPTION POLICIES
 
Signature  guarantees (as described  above) are required  in connection with any
redemption of  shares  by mail  and  share ownership  transfer  requests.  These
requirements may be waived by the Fund in certain instances.
 
     If the shares to be redeemed represent an investment for which the Fund has
not  yet  received good  funds, the  Fund reserves  the right  not to  honor the
redemption request until such time as it has assured itself that good funds have
been collected, which may take 15 or  more business days. If purchases are  made
with good funds, no redemption delay would occur.
 
     Due  to the relatively  high cost of  maintaining a Fund  account, the Fund
reserves the right  to redeem,  upon not  less than  60 days'  notice, any  Fund
account reduced by a shareholder to a value of $500 or less.
 
     PaineWebber has established procedures pursuant to which shares of the Fund
held  by  a  PaineWebber  client  having  a  deficiency  (i.e.,  amount  owed to
PaineWebber resulting  from  Account activity  or  otherwise and  other  amounts
authorized  by the client to be paid to others from the Account, less the amount
of any free credit cash balance)  in his Account will be redeemed  automatically
to  the extent of that deficiency, unless the client notifies PaineWebber to the
contrary in advance. The amount of the redemption will be the lesser of (a)  the
total  net asset value  of Fund shares held  in the client's  account or (b) the
deficiency in the client's  Account at the close  of business on the  redemption
day  adjusted for purchase and sale transactions in other securities settling on
the following business day. Accordingly, a PaineWebber client who has previously
consented to this  automatic redemption procedure  and who wishes  to pay for  a
securities  transaction other  than through such  automatic redemption procedure
must do  so  not  later  than  the day  before  the  settlement  date  for  that
transaction.
 
                                THE DISTRIBUTOR
 
PaineWebber  acts as distributor of the Fund's shares pursuant to a Distribution
Agreement dated January 30, 1995. To  reimburse PaineWebber for the services  it
provides  and for  the expenses it  bears under the  Distribution Agreement, the
Fund  has  adopted  the  Plan  of  Distribution.  The  Board  of  Directors  and
shareholders  of the Fund approved the Plan of Distribution on July 28, 1988 and
December 20, 1988, respectively, which was most recently amended on December 16,
1994.
 
     The Plan of Distribution provides  that the Fund reimburse PaineWebber  for
the  expenses incurred by it  in connection with the  distribution of the Fund's
shares at the annual rate of up to .12% of the Fund's average daily net  assets.
The  expenses  which  may  be  reimbursed  include  compensation  to  investment
executives and  other employees  of PaineWebber,  printing of  prospectuses  and
reports  for other than existing shareholders, and the preparation, printing and
distribution  of  sales  literature  and   advertising  materials.  It  is   not
anticipated  that items  reimbursable under  the Plan  of Distribution generally
will include any profit to PaineWebber. PaineWebber anticipates that the  amount
of  expenses  reimbursed will  not  exceed the  amount  of expenses  incurred by
PaineWebber and that there will be no carryover of expenses from one year to the
next. The expenses  to be reimbursed  are for activities  primarily intended  to
result  in the sale of  shares of the Fund and  the maintenance of Fund accounts
and account balances. PaineWebber currently intends  that .10% per annum of  the
Fund's   daily  net   assets  will   be  paid   to  its   investment  executives
proportionately  in  respect  of  Fund   share  balances  maintained  by   their
 
                                       15
 
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respective clients. For the fiscal year ended July 31, 1995, the Fund reimbursed
PaineWebber in an amount equal to .12% of the Fund's average daily net assets.
 
     The  Plan of Distribution remains in effect for as long as such continuance
is approved annually by vote of the Board of Directors, including a majority  of
those  Directors  who are  not  interested persons  and  who have  no  direct or
indirect financial interest  in the Plan  of Distribution, cast  in person at  a
meeting  called for such purpose. The Plan of Distribution may not be amended to
increase materially the amount  to be spent for  the services described  therein
without approval of the shareholders of the Fund, and all material amendments of
the  Plan of Distribution must  also be approved by  the Directors in the manner
described above. The Plan of Distribution may be terminated at any time, without
payment of any  penalty, by vote  of a  majority of the  Directors as  described
above,  or  by vote  by  the holders  of a  majority  of the  outstanding voting
securities of the Fund, as defined in the Act, on not more than 30 days' written
notice to any other party  to the Plan of Distribution.  So long as the Plan  of
Distribution  is in effect, the election and nomination of Directors who are not
interested persons  of the  Fund shall  be committed  to the  discretion of  the
Directors who are not interested persons. The Directors have determined that, in
their  judgment, there is a reasonable  likelihood that the Plan of Distribution
will continue to benefit the Fund and its shareholders.
 
     Pursuant to  the  Plan of  Distribution,  PaineWebber provides  the  Fund's
Directors,  at least  quarterly, with a  written report of  the amounts expended
under the  Plan of  Distribution.  The report  includes  an itemization  of  the
distribution  expenses incurred  by PaineWebber  on behalf  of the  Fund and the
purpose of  such  expenditures.  In  their  quarterly  review  of  the  Plan  of
Distribution, the Directors consider its continued appropriateness and the level
of  compensation  provided therein.  For the  fiscal year  ended July  31, 1995,
PaineWebber reported  to  the  Directors  that it  and  Kidder,  Peabody  &  Co.
Incorporated  ('Kidder, Peabody'), the  Fund's predecessor distributor, incurred
distribution  expenses  of  approximately  $1,800,000,  of  which  approximately
$1,824,254  was recovered  in the  form of  reimbursements made  by the  Fund to
PaineWebber  and  Kidder,  Peabody  at  the   rate  provided  in  the  Plan   of
Distribution.
 
                               EXCHANGE PRIVILEGE
 
Shares   of   the  Fund   may  be   exchanged  for   shares  of   certain  other
PaineWebber/Kidder, Peabody funds,  to the  extent such shares  are offered  for
sale   in   the  shareholder's   state  of   residence.  For   a  list   of  the
PaineWebber/Kidder, Peabody funds for  which shares may be  exchanged and for  a
description  of  each of  those funds,  please see  'Redemption and  Exchange of
Shares' in the Statement of Additional Information.
 
     Although the Fund  currently imposes no  limit on the  number of times  the
Exchange Privilege may be exercised by any shareholder, the Fund may impose such
limits  in the future, in  accordance with applicable provisions  of the Act and
rules thereunder.  In addition,  the  Exchange Privilege  may be  terminated  or
revised at any time upon 60 days' prior written notice to Fund shareholders, and
is  available only to residents of states in which exchanges are permitted under
state law. The exchange of shares of  one fund for shares of another is  treated
for Federal income tax purposes as a sale of the shares given in exchange by the
shareholder,  so that a shareholder  may recognize a taxable  gain or loss on an
exchange.
 
     Upon receipt of proper instructions and all necessary supporting documents,
Fund shares submitted  for exchange will  be redeemed at  their net asset  value
next  determined  and  simultaneously  invested  in  shares  of  the  fund being
acquired. Settlement of an exchange would
 
                                       16
 
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occur one business  day after the  date on  which the request  for exchange  was
received  in proper form, unless the dollar amount of the transaction exceeds 5%
of the Fund's net assets on any given day, in which case settlement would  occur
within  five business days after the date  on which the request for exchange was
received in proper form.  The proceeds of  a redemption of  Fund shares made  to
facilitate the exchange of those shares for shares of another fund must be equal
to  at least (1) the minimum initial  investment requirement imposed by the fund
into which the exchange is being sought if the shareholder seeking the  exchange
has  not  previously  invested  in  that  fund  or  (2)  the  minimum subsequent
investment requirement imposed  by the  fund into  which the  exchange is  being
sought if the shareholder has previously made an investment in that fund.
 
     A shareholder of the Fund wishing to exercise the Exchange Privilege should
obtain  from PaineWebber a copy of the current prospectus of the fund into which
an exchange is being sought and  review that prospectus carefully before  making
the  exchange. PaineWebber reserves the right  to reject any exchange request at
any time.
 
                       DIVIDENDS, DISTRIBUTIONS AND TAXES
 
The Fund ordinarily declares  dividends from its net  investment income on  each
day  that the New York  Stock Exchange is open  for business. Dividends are paid
monthly and are automatically reinvested in additional Fund shares at net  asset
value  or, at the  shareholder's option, paid  in cash. The  Fund's earnings for
Saturdays, Sundays  and holidays  are  declared as  dividends on  the  preceding
business  day. If a shareholder redeems all of his shares at any time during the
month, all  dividends to  which the  shareholder  is entitled  are paid  to  him
together  with the  proceeds of  the redemption.  Distributions of  net realized
securities gains,  if  any,  are  paid  once a  year,  but  the  Fund  may  make
distributions  on  a  more  frequent  basis  to  comply  with  the  distribution
requirements of the Internal Revenue Code  of 1986, as amended (the 'Code'),  in
all events in a manner consistent with the provisions of the Act.
 
     The Fund qualified as a regulated investment company under the Code for the
fiscal  year ended July 31, 1995, and plans to continue to so qualify as long as
the Fund determines  that such  qualification is in  the best  interests of  its
shareholders.  Such  qualification relieves  the Fund  of liability  for Federal
income tax to the extent its income is distributed in accordance with applicable
provisions of the Code.  Regulated investment companies, such  as the Fund,  are
subject  to  a nondeductible  4% excise  tax, measured  with respect  to certain
undistributed amounts of taxable investment income and capital gains.
 
     Dividends derived from  interest and  distributions from  any net  realized
short-term  securities  gains are  taxable as  ordinary  income, whether  or not
reinvested. Distributions from net realized long-term securities gains, if  any,
generally  are taxable as long-term capital gains, whether or not reinvested. As
the Fund  is  not expected  to  realize long-term  capital  gains, it  does  not
contemplate  paying capital  gains distributions  as described  in the  Code. No
dividend will qualify for the dividends received deduction allowable to  certain
U.S. corporations.
 
     The  Fund is  required to withhold  and remit  to the U.S.  Treasury 31% of
dividends and distributions from net realized securities gains of the Fund  paid
to  a shareholder  ('backup withholding') if  such shareholder  fails to certify
either that the  Taxpayer Identification  Number, furnished  in connection  with
opening an account, is correct, or that such shareholder has not received notice
from the Internal Revenue Service ('IRS') of being subject to backup withholding
as  a result of a failure to properly report taxable dividend or interest income
on a Federal income
 
                                       17
 
<PAGE>
<PAGE>
- --------------------------------------------------------------------------------
tax return. Furthermore, the Fund may be notified by the IRS to institute backup
withholding if the IRS determines a shareholder's Taxpayer Identification Number
is incorrect or if a shareholder has failed to properly report taxable  dividend
and interest income on a Federal income tax return.
 
     A  Taxpayer Identification Number  is either the  Social Security number or
employer identification  number of  the record  owner of  the account.  Any  tax
withheld as a result of backup withholding does not constitute an additional tax
imposed  on the record owner of  the account, and may be  claimed as a credit on
the record owner's Federal income tax return.
 
     Statements as  to  the  tax  status of  each  shareholder's  dividends  and
distributions are mailed annually. Dividends and distributions may be subject to
certain  state or local taxes.  Shareholders are urged to  consult their own tax
advisers regarding specific questions as to Federal, state or local taxes.
 
                        DETERMINATION OF NET ASSET VALUE
 
Net asset value is determined daily at 12:00 noon, Eastern time, Monday  through
Friday, except that net asset value is not computed on any day when no orders to
purchase, sell, exchange or redeem Fund shares have been received, when there is
not  sufficient trading in  the Fund's portfolio securities  that the Fund's net
asset value per share might  be materially affected by  changes in the value  of
such  portfolio securities or when  the New York Stock  Exchange is not open for
trading. The determination of  net asset value is  made by subtracting from  the
value  of the assets of the Fund the  amount of its liabilities and dividing the
remainder by the number of outstanding shares of the Fund. Expenses and fees  of
the  Fund, including PaineWebber's fee, are accrued daily and taken into account
for the purpose of determining net asset value.
 
     The Fund attempts  to maintain a  net asset  value of $1.00  per share  for
purchases and redemptions, although there can be no assurance that the Fund will
always be able to do so. In order to effectuate this policy, the Fund may, under
certain  circumstances,  consider the  sale  of portfolio  instruments  prior to
maturity  to  realize  capital  gains   or  losses,  withhold  dividends,   make
distributions from capital or capital gains, or reduce the number of outstanding
shares  of the Fund held by a shareholder.  The Fund determines the value of its
portfolio securities by the  amortized cost method  of valuation which  involves
valuing a security at its cost at the time of purchase and thereafter assuming a
constant  amortization to maturity of any discount or premium, regardless of the
impact of fluctuating  interest rates  on the  market value  of the  instrument.
Additional  information concerning  the amortized  cost method  of valuation and
certain conditions  imposed  upon its  use  is  contained in  the  Statement  of
Additional Information.
 
      CUSTODIAN, AND TRANSFER, DIVIDEND DISBURSING AND RECORDKEEPING AGENT
 
Investors  Fiduciary Trust Company, 127 West  10th Street, Kansas City, Missouri
64105, has been retained to act as custodian, and transfer, dividend  disbursing
and recordkeeping agent.
 
                        COUNSEL AND INDEPENDENT AUDITORS
 
Stroock  & Stroock & Lavan, 7 Hanover  Square, New York, New York 10004-2696, is
counsel for the  Fund. Ernst &  Young LLP,  located at 787  Seventh Avenue,  New
York,  New York  10019, serves  as independent  auditors for  the Fund.  For the
fiscal year ended July 31, 1994, and prior thereto,
 
                                       18
 
<PAGE>
<PAGE>
- --------------------------------------------------------------------------------
the Fund's independent auditors  were Deloitte & Touche  LLP, 2 World  Financial
Center, New York, New York 10281.
 
                     ADDITIONAL INFORMATION ABOUT THE FUND
 
The  Fund was incorporated  under the laws of  the State of  Maryland on May 31,
1979 and commenced operations on August 28, 1979. On April 6, 1992, shareholders
voted to change the name of the  Fund from 'Webster Cash Reserve Fund, Inc.'  to
'Kidder,  Peabody Cash Reserve Fund, Inc.' On  January 30, 1995, the Fund's name
changed to 'PaineWebber/Kidder, Peabody Cash Reserve Fund, Inc.'
 
     The authorized capital stock  of the Fund consists  of 5 billion shares  of
common stock, par value $.01 per share. Each share has one vote and, when issued
and  paid  for in  accordance  with the  terms of  offering,  is fully  paid and
non-assessable. Shares are redeemable at net  asset value, at the option of  the
shareholder.  Shares have no pre-emptive,  subscription or conversion rights and
are freely transferable.
 
     In the interest of economy  and convenience, certificates representing  the
Fund's  shares  are  not physically  issued.  IFTC  maintains a  record  of each
shareholder's ownership. Each shareholder receives confirmations from IFTC which
show purchases and sales  of the Fund's  shares. Shares of the  Fund owned by  a
shareholder  and  dividends  paid  thereon are  reflected  in  the shareholder's
monthly statement from PaineWebber.
 
     Unless otherwise required by the Act,  ordinarily it will not be  necessary
for  the  Fund  to hold  annual  meetings  of shareholders.  As  a  result, Fund
shareholders may  not  consider each  year  the  election of  Directors  or  the
appointment  of independent auditors.  However, pursuant to  the Fund's By-Laws,
the holders of at least 10% of  the shares outstanding and entitled to vote  may
require the Fund to hold a special meeting of shareholders for any purpose. Fund
shareholders  may remove a Director by the affirmative vote of a majority of the
Fund's outstanding voting shares. In addition, the Board of Directors will  call
a  special meeting of shareholders for the  purpose of electing Directors if, at
any time, less than a majority of Directors then holding office were elected  by
shareholders. Shareholders will have the right to call for a meeting to consider
the  removal of one or more of the Directors and will be assisted in shareholder
communications in such matters.
 
     As used in this Prospectus, when referring to the approvals to be  obtained
from  shareholders, the term 'majority' means the  vote of the lesser of (1) 67%
of the Fund's shares present at a meeting if the holders of more than 50% of the
outstanding shares are present in  person or by proxy, or  (2) more than 50%  of
the Fund's outstanding shares.
 
                                       19

<PAGE>
<PAGE>
No person has been authorized to give any information or to make any
representations not contained in this Prospectus or in the Statement
of Additional Information incorporated into this Prospectus by
reference in connection with the offering made by this Prospectus,
and, if given or made, any such information or representations must
not be relied upon as having been authorized by the Fund or its
distributor. This Prospectus does not constitute an offering by the
Fund or by its distributor in any jurisdiction in which such
offering may not lawfully be made.
 
<TABLE>
<S>                                                 <C>
- --------------------------------------------------------
Contents
- --------------------------------------------------------
Fee Table                                              2
- --------------------------------------------------------
Highlights                                             3
- --------------------------------------------------------
Financial Highlights                                   6
- --------------------------------------------------------
Yield                                                  7
- --------------------------------------------------------
Investment Objective and
  Management Policies                                  7
- --------------------------------------------------------
Management of the Fund                                11
- --------------------------------------------------------
Portfolio Transactions                                12
- --------------------------------------------------------
Purchase of Shares                                    12
- --------------------------------------------------------
Redemption of Shares                                  14
- --------------------------------------------------------
The Distributor                                       15
- --------------------------------------------------------
Exchange Privilege                                    16
- --------------------------------------------------------
Dividends, Distributions and Taxes                    17
- --------------------------------------------------------
Determination of Net Asset Value                      18
- --------------------------------------------------------
Custodian, and Transfer, Dividend
  Disbursing and Recordkeeping Agent                  18
- --------------------------------------------------------
Counsel and Independent Auditors                      18
- --------------------------------------------------------
Additional Information About the
  Fund                                                19
- --------------------------------------------------------
</TABLE>
 
                                PaineWebber/
                                     Kidder,
                                     Peabody
                                        Cash
                                     Reserve
                                       Fund,
                                        Inc.
 
Prospectus
 


December 1, 1995


<PAGE>
<PAGE>
Statement of Additional Information                             December 1, 1995
- --------------------------------------------------------------------------------
              PaineWebber/Kidder, Peabody Cash Reserve Fund, Inc.
    1285 AVENUE OF THE AMERICAS   NEW YORK, NEW YORK 10019   (800) 647-1568
 
PaineWebber/Kidder,   Peabody  Cash  Reserve  Fund,   Inc.  (the  'Fund')  is  a
diversified, open-end,  management investment  company  whose objective  is  the
maximization of current income to the extent consistent with the preservation of
capital  and the  maintenance of liquidity.  The Fund pursues  this objective by
investing in short-term money market  instruments. This Statement of  Additional
Information  relating to  the Fund  is not  a prospectus  and should  be read in
conjunction with the Fund's Prospectus. A  copy of the Fund's Prospectus can  be
obtained from the Fund at the above address. The date of the Prospectus to which
this Statement relates is December 1, 1995.
 
- --------------------------------------------------------------------------------
               INVESTMENT ADVISER, ADMINISTRATOR AND DISTRIBUTOR
                            PaineWebber Incorporated
                       SUB-ADVISER AND SUB-ADMINISTRATOR
                    Mitchell Hutchins Asset Management Inc.
 
- --------------------------------------------------------------------------------

<PAGE>
<PAGE>
- --------------------------------------------------------------------------------
 
                       INVESTMENT OBJECTIVE AND POLICIES
 
The  investment objective and policies of the  Fund are summarized in the Fund's
Prospectus under the heading 'Investment Objective and Management Policies.' The
Fund believes that such description requires  no general augmentation as of  the
date hereof.
 
INVESTMENT RESTRICTIONS
 
The  Fund  has  adopted  the following  investment  restrictions  as fundamental
policies. These restrictions cannot be  changed without approval by the  holders
of a majority, as defined in the Investment Company Act of 1940, as amended (the
'Act'), of the outstanding shares of the Fund. The Fund may not:
 
          1.  Purchase common  stocks or  other equity  securities, state bonds,
     municipal bonds or industrial revenue bonds.
 
          2. Borrow money, except from banks for temporary or emergency purposes
     including the meeting of redemption requests which might otherwise  require
     the  untimely disposition of securities. Borrowing in the aggregate may not
     exceed 10%,  and  borrowing  for purposes  other  than  meeting  redemption
     requests  may  not exceed  5%,  of the  value  of the  Fund's  total assets
     (including the amount borrowed) valued at the lesser of cost or market less
     liabilities (not including the amount  borrowed) at the time the  borrowing
     is  made. The borrowings  will be repaid  before any additional investments
     are made.
 
          3. Pledge,  hypothecate, mortgage  or otherwise  encumber its  assets,
     except  in an amount up to 10% of the value of its total assets but only to
     secure borrowings for temporary or emergency purposes.
 
          4. Sell securities short or purchase securities on margin.
 
          5. Write or purchase put or call options.
 
          6.  Underwrite  the  securities  of  other  issuers  or  purchase  any
     securities that are illiquid, if, as a result thereof, more than 10% of the
     Fund's net assets would be so invested.
 
          7.  Purchase  or  sell  real  estate,  real  estate  investment  trust
     securities, commodities or commodity contracts, or oil and gas interests.
 
          8. Make loans to others, except through the purchase of qualified debt
     obligations, loans  of  portfolio  securities  and  entry  into  repurchase
     agreements referred to under 'Investment Objective and Management Policies'
     in  the Fund's  Prospectus, provided,  however, that  repurchase agreements
     maturing in more than seven days will not exceed 10% of its net assets.
 
          9. Subject to  the diversification  requirements of Section  5 of  the
     Act, invest more than 15% of its assets in the obligations of any one bank,
     or  invest more than  5% of its assets  in the commercial  paper of any one
     issuer. Notwithstanding the foregoing, to the extent required by the  rules
     of  the Securities and  Exchange Commission (the 'SEC'),  the Fund will not
     invest more than 5% of its assets in the obligations of any one bank.
 
                                       2
 
<PAGE>
<PAGE>
- --------------------------------------------------------------------------------
 
          10. Invest more than 25% of its assets in the securities of issuers in
     any single industry;  provided that  there shall  be no  limitation on  the
     purchase  of obligations issued  or guaranteed by  the U.S. Government, its
     agencies or instrumentalities, certificates  of deposit ('CDs')  (including
     those   issued  by  foreign  branches   of  domestic  banks)  and  bankers'
     acceptances.
 
          11. Invest in companies for the purpose of exercising control.
 
          12. Invest in securities of other investment companies, except as they
     may be  acquired as  part  of a  merger,  consolidation or  acquisition  of
     assets.
 
          13.  Lend  its portfolio  securities  in excess  of  20% of  its total
     assets, taken at market  value. Any loans of  portfolio securities will  be
     made according to guidelines established by the SEC and the Fund's Board of
     Directors, including maintenance of collateral of the borrower equal at all
     times to the current market value of the securities loaned.
 
     If  a percentage restriction is adhered to  at the time of an investment, a
later increase or decrease  in percentage resulting from  a change in values  or
assets will not constitute a violation of such restriction.
 
                             MANAGEMENT OF THE FUND
 
DIRECTORS AND OFFICERS
 
Directors  and  officers of  the  Fund, together  with  information as  to their
principal business occupations during the last five years, are shown below.
 
     David J. Beaubien, 61, Director. Chairman of Yankee Environmental  Systems,
Inc.,  manufacturer of  meteorological measuring  instruments. Director  of IEC,
Inc.,  manufacturer  of  electronic   assemblies,  Belfort  Instruments,   Inc.,
manufacturer  of  environmental instruments,  and  Oriel Corp.,  manufacturer of
optical instruments. Prior to January 1991, Senior Vice President of EG&G, Inc.,
a company  that makes  and  provides a  variety  of scientific  and  technically
oriented  products and  services. Mr.  Beaubien is a  director or  trustee of 11
other  investment  companies   for  which  Mitchell   Hutchins  or   PaineWebber
Incorporated ('PaineWebber') serves as investment adviser.
 
     William  W.  Hewitt,  Jr.,  67, Director.  Trustee  of  The  Guardian Asset
Allocation Fund, The Guardian Baillie  Gifford International Fund, The  Guardian
Bond  Fund, Inc., The Guardian Cash Fund, Inc., The Guardian Park Ave. Fund, The
Guardian Stock Fund, Inc., The Guardian  Cash Management Trust and The  Guardian
U.S.  Government  Trust.  Mr.  Hewitt  is a  director  or  trustee  of  11 other
investment companies  for  which  Mitchell Hutchins  or  PaineWebber  serves  as
investment adviser.
 
     Thomas  R.  Jordan, 66,  Director. Principal  of The  Dilenschneider Group,
Inc., a corporate  communications and  public policy counseling  firm. Prior  to
January  1992, Senior Vice President of Hill  & Knowlton, a public relations and
public affairs  firm. Prior  to April  1991, President  of The  Jordan Group,  a
management  consulting and strategies development firm. Mr. Jordan is a director
or trustee  of 10  other investment  companies for  which Mitchell  Hutchins  or
PaineWebber serves as investment adviser.
 
                                       3
 
<PAGE>
<PAGE>
- --------------------------------------------------------------------------------
 
     Carl  W. Schafer,  59, Director.  President of  the Atlantic  Foundation, a
charitable foundation supporting mainly oceanographic exploration and  research.
Director  of International Agritech Resources,  Inc., an agribusiness investment
and consulting firm, Ardic Exploration and Development Ltd., Evans Systems, Inc.
and Hidden  Lake Gold  Mines Ltd.,  gold mining  companies, Electronic  Clearing
House,   Inc.,  a   financial  transactions  processing   company,  Wainoco  Oil
Corporation and Nutraceutix,  Inc., a  biotechnology company.  Prior to  January
1993, chairman of the Investment Advisory Committee of the Howard Hughes Medical
Institute  and director of Ecova Corporation,  a toxic waste treatment firm. Mr.
Schafer is a  director or  trustee of 10  other investment  companies for  which
Mitchell Hutchins or PaineWebber serves as investment adviser.
 
     Margo N. Alexander, 48, President. President, chief executive officer and a
director  of  Mitchell  Hutchins.  Prior  to  January  1995,  an  executive vice
president of PaineWebber.  Ms. Alexander is  also a director  or trustee of  two
investment  companies and president  of 37 other  investment companies for which
Mitchell Hutchins or PaineWebber serves as investment adviser.
 
     Teresa  M.   Boyle,  37,   Vice  President.   First  vice   president   and
manager -- advisory administration of Mitchell Hutchins. Prior to November 1993,
compliance  manager of Hyperion Capital Management, Inc., an investment advisory
firm. Prior to April 1993, a vice president and manager -- legal  administration
of  Mitchell Hutchins. Ms. Boyle is also a vice president of 37 other investment
companies for  which  Mitchell  Hutchins or  PaineWebber  serves  as  investment
adviser.
 
     Scott  H. Griff, 29, Vice President and Assistant Secretary. Vice president
and attorney of Mitchell  Hutchins. Prior to January  1995, an associate at  the
law  firm  of Cleary,  Gottlieb,  Steen &  Hamilton. Mr.  Griff  is also  a vice
president and assistant  secretary of  10 other investment  companies for  which
Mitchell Hutchins or PaineWebber serves as investment adviser.
 
     C.  William Maher, 34, Vice President and Assistant Treasurer. Mr. Maher is
a first vice president and a senior manager of the mutual fund finance  division
of Mitchell Hutchins. Mr. Maher is also a vice president and assistant treasurer
of  37 other  investment companies  for which  Mitchell Hutchins  or PaineWebber
serves as investment adviser.
 
     Dennis L.  McCauley,  48,  Vice  President.  Managing  Director  and  Chief
Investment Officer -- Fixed Income of Mitchell Hutchins. Prior to December 1994,
Director  of Fixed Income Investments of IBM Corporation. Mr. McCauley is also a
vice president of six other investment companies for which Mitchell Hutchins  or
PaineWebber serves as investment adviser.
 
     Susan  P. Messina, 35, Vice President.  Senior vice president and portfolio
manager for Mitchell  Hutchins. Ms. Messina  is also a  vice president of  three
other  investment companies for which Mitchell Hutchins or PaineWebber serves as
investment adviser.
 
     Ann E. Moran, 38, Vice President and Assistant Treasurer. Vice president of
Mitchell Hutchins. Ms. Moran is also a vice president and assistant treasurer of
37 other investment companies for which Mitchell Hutchins or PaineWebber  serves
as investment adviser.
 
     Dianne  E.  O'Donnell,  43,  Vice  President  and  Secretary.  Senior  vice
president and deputy general counsel of Mitchell Hutchins. Ms. O'Donnell is also
a vice  president and  secretary  of 37  other  investment companies  for  which
Mitchell Hutchins or PaineWebber serves as investment adviser.
 
                                       4
 
<PAGE>
<PAGE>
- --------------------------------------------------------------------------------
 
     Victoria  E. Schonfeld, 44,  Vice President. Managing  director and general
counsel of Mitchell Hutchins. From April 1990 to May 1994, a partner in the  law
firm  of Arnold & Porter.  Ms. Schonfeld is also  a vice president and assistant
secretary of  37  other investment  companies  for which  Mitchell  Hutchins  or
PaineWebber serves as investment adviser.
 
     Paul  H. Schubert, 32,  Vice President and  Assistant Treasurer. First vice
president and a senior manager of  the mutual fund finance division of  Mitchell
Hutchins. From August 1992 to August 1994, vice president at BlackRock Financial
Management,  Inc. Prior to August 1992, an audit manager with Ernst & Young LLP.
Mr. Schubert  is also  a vice  president  and assistant  treasurer of  37  other
investment  companies  for  which  Mitchell Hutchins  or  PaineWebber  serves as
investment adviser.
 
     Julian F. Sluyters, 35, Vice President and Treasurer. Senior vice president
and the director of the mutual fund finance division of Mitchell Hutchins. Prior
to 1991, an audit senior manager with Ernst & Young LLP. Mr. Sluyters is also  a
vice president and treasurer of 37 other investment companies for which Mitchell
Hutchins or PaineWebber serves as investment adviser.
 
     Gregory  K. Todd,  38, Vice President  and Assistant  Secretary. First vice
president and associate general counsel of  Mitchell Hutchins. Prior to 1993,  a
partner  with the law firm of Shereff,  Friedman, Hoffman & Goodman. Mr. Todd is
also a vice president and assistant  secretary of 37 other investment  companies
for which Mitchell Hutchins or PaineWebber serves as investment adviser.
 
     The  address of each of the Directors is: Mr. Beaubien, Montague Industrial
Park, 101 Industrial  Road, Box  7461, Turners Falls,  Massachusetts 01376;  Mr.
Hewitt,  P.O. Box 2359,  Princeton, New Jersey 08543-2359;  Mr. Jordan, 200 Park
Avenue, New York, New York 10166; and Mr. Schafer, P.O. Box 1164, Princeton, New
Jersey 08542. The address of each of the officers listed above is 1285 Avenue of
the Americas, New York, New York 10019.
 
     By virtue of the management  responsibilities assumed by PaineWebber  under
the  Investment  Advisory and  Administration  Agreement, the  Fund  requires no
executive employees other than its officers,  none of whom devotes full time  to
the  affairs of the Fund. See 'Investment Advisory and Other Services -- Manager
and Investment Adviser.' Directors and officers  of the Fund, as a group,  owned
less than 1% of the outstanding common stock of the Fund on November 1, 1995. No
officer,  director or employee of PaineWebber  or Mitchell Hutchins receives any
compensation from the Fund for  serving as an officer  or Director of the  Fund.
The  Fund pays  each Director  who is  not an  officer, director  or employee of
PaineWebber or Mitchell Hutchins or any of its affiliates an annual retainer  of
$3,500 and $900 for each Board of Directors meeting attended, and reimburses the
Director   for  out-of-pocket  expenses  associated  with  attendance  at  Board
meetings. The Chairman of the Board's audit committee receives an annual fee  of
$250.  The amount  of compensation  paid by  the Fund  to each  Director for the
fiscal year ended July 31, 1995,  and the aggregate amount of compensation  paid
to each such Director for the year ended
 
                                       5
 
<PAGE>
<PAGE>
- --------------------------------------------------------------------------------
December 31, 1994 by all investment companies in the same fund complex for which
such person is a Board member were as follows:
 
<TABLE>
<CAPTION>
                                                                                                        (5)
                                                              (3)                                TOTAL COMPENSATION
                                        (2)                PENSION OR               (4)            FROM FUND AND
             (1)                     AGGREGATE        RETIREMENT BENEFITS    ESTIMATED ANNUAL     OTHER INVESTMENT
        NAME OF BOARD            COMPENSATION FROM     ACCRUED AS PART OF      BENEFITS UPON      COMPANIES IN THE
            MEMBER                     FUND             FUND'S EXPENSES         RETIREMENT         FUND COMPLEX*
- ------------------------------   -----------------    --------------------   -----------------   ------------------
<S>                              <C>                  <C>                    <C>                 <C>
David J. Beaubien                     $10,500                 None                 None               $ 80,700
William W. Hewitt, Jr.                $10,500                 None                 None               $ 74,425
Thomas R. Jordan                      $10,500                 None                 None               $ 83,125
Carl W. Schafer                       $10,750                 None                 None               $ 84,575
</TABLE>
 
- ------------
 
*  Represents  total compensation paid to each Director during the calendar year
   ended December 31, 1994.
 
                     INVESTMENT ADVISORY AND OTHER SERVICES
 
PaineWebber, the  Fund's  investment  adviser and  administrator,  and  Mitchell
Hutchins,  the  Fund's sub-adviser  and sub-administrator,  are located  at 1285
Avenue of the Americas, New York, New York 10019.
 
     Subject to the supervision and direction of the Fund's Board of  Directors,
Mitchell  Hutchins manages  the Fund's portfolio  in accordance  with the stated
policies of the Fund. Mitchell Hutchins makes investment decisions for the  Fund
and places the purchase and sale orders for portfolio transactions. In addition,
Mitchell  Hutchins  pays the  salaries  of all  officers  and employees  who are
employed by  both  it  and  the Fund,  maintains  office  facilities,  furnishes
statistical  and research data,  clerical help and  accounting, data processing,
bookkeeping, internal auditing  and legal  services and  certain other  services
required  by  the Fund,  prepares reports  to shareholders,  tax returns  to and
filings with the  SEC and  state Blue Sky  authorities, is  responsible for  the
calculation  of the net asset value of  shares of the Fund and generally assists
in all aspects of the Fund's operations. Mitchell Hutchins bears all expenses in
connection with the performance of its services.
 
     Expenses incurred in the operation of the Fund, including, but not  limited
to,  taxes, interest, brokerage fees and  commissions, if any, fees of Directors
who are  not officers,  directors stockholders  or employees  of PaineWebber  or
Mitchell  Hutchins, SEC fees and related  expenses, state Blue Sky qualification
fees, charges  of the  custodian  and transfer  and dividend  disbursing  agent,
certain  insurance premiums, outside  auditing and legal  expenses, and costs of
maintenance  of   corporate  existence,   shareholder  services,   printing   of
prospectuses and statements of additional information for regulatory purposes or
for  distribution to shareholders, shareholders' reports and corporate meetings,
are borne by the Fund.
 
     The Investment Advisory and Administration Agreement remains in effect  for
successive  annual periods provided continuance is approved at least annually by
(i) the Fund's Board of Directors or (ii) vote of a majority, as defined in  the
Act,  of the outstanding voting securities of  the Fund, provided that in either
event the continuance is also  approved by a majority  of the Directors who  are
not  'interested persons,' as defined in the  Act, of the Fund or PaineWebber or
 
                                       6
 
<PAGE>
<PAGE>
- --------------------------------------------------------------------------------
Mitchell Hutchins, by vote cast in person at a meeting called for the purpose of
voting on such approval. The Investment Advisory and Administration Agreement is
terminable without penalty,  on not  less than 60  days' notice,  by the  Fund's
Board  of Directors or by vote of the holders of a majority of the Fund's shares
or by PaineWebber.  The Investment  Advisory and  Administration Agreement  will
terminate automatically in the event of its assignment.
 
     The Fund pays PaineWebber, as compensation for services rendered, a monthly
fee  at the annual rate of  .50% of the portion of  the average daily net assets
not exceeding $750 million; .475% of the portion of the average daily net assets
exceeding $750 million but not exceeding $1 billion; .45% of the portion of  the
average  daily net assets exceeding $1  billion but not exceeding $1.25 billion;
 .425% of the portion of the average daily net assets exceeding $1.25 billion but
not exceeding $1.5 billion;  and .40% of  the portion of  the average daily  net
assets  exceeding $1.5 billion. The fee paid to Kidder Peabody Asset Management,
Inc.,  the  Fund's   predecessor  investment  adviser   and  administrator,   or
PaineWebber  for the fiscal years ended July 31, 1993, 1994 and 1995 amounted to
$8,489,968, $8,505,180 and $7,194,947, respectively.
 
     PaineWebber has agreed that if in any fiscal year the aggregate expenses of
the Fund (including fees pursuant to the Investment Advisory and  Administration
Agreement  but excluding interest, taxes, brokerage  and, with the prior written
consent of the necessary  state securities commissions, extraordinary  expenses)
exceed  the expense limitation  of any state having  jurisdiction over the Fund,
PaineWebber will  reimburse  the Fund  for  such excess  expense.  This  expense
reimbursement  obligation is  not limited to  the amount  of PaineWebber's fees.
Such expense reimbursement, if any, will be estimated, reconciled and paid on  a
monthly  basis. The  most stringent state  expense limitation  applicable to the
Fund presently requires reimbursement of expenses in any year that such expenses
exceed 2 1/2% of the  first $30 million of the  average value of the Fund's  net
assets,  2% of  the next  $70 million and  1 1/2%  of the  remaining average net
assets of the Fund.  No expense reimbursement was  required for the fiscal  year
ended July 31, 1995.
 
     PaineWebber shall not be liable for any error of judgment or mistake of law
or for any loss suffered by the Fund in connection with the matters to which the
Investment  Advisory  and Administration  Agreement relates,  except for  a loss
resulting from willfull misfeasance, bad faith  or gross negligence on its  part
in  the  performance of  its  duties or  from reckless  disregard  by it  of its
obligations  and  duties  under  the  Investment  Advisory  and   Administration
Agreement.
 
     Mitchell Hutchins personnel may invest in securities for their own accounts
pursuant  to  a  code  of  ethics that  describes  the  fiduciary  duty  owed to
shareholders of the PaineWebber and PaineWebber/Kidder, Peabody ('PW/KP') mutual
funds and other Mitchell Hutchins'  advisory accounts by all Mitchell  Hutchins'
directors, officers and employees, establishes procedures for personal investing
and  restricts certain  transactions. For  example, employee  accounts generally
must be maintained at  PaineWebber, personal trades  in most securities  require
pre-clearance  and  short-term  trading  and  participation  in  initial  public
offerings generally  are  prohibited.  In  addition, the  code  of  ethics  puts
restrictions  on  the timing  of  personal investing  in  relation to  trades by
PaineWebber and PW/KP mutual funds and other Mitchell Hutchins advisory clients.
 
                                       7
 
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DISTRIBUTOR
 
PaineWebber is the  distributor of the  Fund's shares  and is acting  on a  best
efforts basis.
 
     The Directors believe that the Fund's expenditures under the Fund's Plan of
Distribution  pursuant to  Rule 12b-1 benefit  the Fund and  its shareholders by
providing better shareholder services. For the fiscal year ended July 31,  1995,
PaineWebber  and/or Kidder, Peabody  & Co. Incorporated,  the Fund's predecessor
distributor, received $1,824,254 from the Fund, of which approximately  $400,000
was  spent  on payments  to investment  executives and  $1,400,000 was  spent on
overhead-related expenses.
 
CUSTODIAN, AND TRANSFER, DIVIDEND DISBURSING AND RECORDKEEPING AGENT
 
Investors Fiduciary Trust Company ('IFTC'),  127 West 10th Street, Kansas  City,
Missouri  64105,  serves  as custodian.  PFPC  Inc.  a subsidiary  of  PNC Bank,
National Association,  whose  principal  address is  400  Bellevue,  Wilmington,
Delaware  19809, acts as transfer,  dividend disbursing and recordkeeping agent.
As custodian,  IFTC maintains  custody of  the Fund's  portfolio securities.  As
transfer  agent, PFPC Inc. maintains the Fund's official record of shareholders,
as dividend  disbursing agent,  it  is responsible  for crediting  dividends  to
shareholders'  accounts,  and  as  recordkeeping  agent,  it  maintains  certain
accounting and financial records of the Fund.
 
INDEPENDENT AUDITORS
 
Ernst &  Young LLP,  787  Seventh Avenue,  New York,  New  York 10019,  acts  as
independent  auditors for the Fund.  In such capacity, Ernst  & Young LLP audits
the Fund's annual financial statements. For the fiscal year ended July 31, 1994,
and prior thereto, the Fund's independent auditors were Deloitte & Touche LLP, 2
World Financial Center, New York, New York 10281.
 
COUNSEL
 
Stroock & Stroock & Lavan, 7 Hanover Square, New York, New York 10004-2696, acts
as counsel for the Fund.
 
                             PORTFOLIO TRANSACTIONS
 
Purchases and sales of portfolio securities usually are principal  transactions.
Portfolio  securities normally are purchased directly from the issuer or from an
underwriter or market maker for the  securities. Usually there are no  brokerage
commissions  paid by the Fund for such purchases. Purchases from dealers serving
as market  makers include  the spread  between the  bid and  asked price.  While
Mitchell  Hutchins generally seeks competitive  spreads or commissions, the Fund
does not  necessarily pay  the lowest  spread or  commission available  on  each
transaction. No brokerage commissions have been paid by the Fund to date.
 
     Transactions  are allocated to various dealers  by Mitchell Hutchins in its
best judgment. The  primary consideration is  prompt execution of  orders in  an
effective  manner at  the most favorable  price. Subject  to this consideration,
dealers may be selected  for research, statistical or  other services to  enable
Mitchell Hutchins to supplement its own research and analysis with the views and
information of other securities firms.
 
     Information  so  received  supplements  but does  not  replace  that  to be
provided by Mitchell  Hutchins, and Mitchell  Hutchins fee is  not reduced as  a
consequence of the receipt of any such
 
                                       8
 
<PAGE>
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supplemental information. Such information may be useful to Mitchell Hutchins in
serving   both  the  Fund  and   other  clients  and,  conversely,  supplemental
information obtained by the placement of business of other clients may be useful
to Mitchell Hutchins in carrying out its obligations to the Fund.
 
     Investment decisions for the Fund are made independently from those of  any
other funds managed by Mitchell Hutchins. If, however, funds managed by Mitchell
Hutchins  are  simultaneously  engaged  in  the purchase  or  sale  of  the same
security, the transactions will be averaged as to price and allocated  equitably
to  each fund. In some cases, this  system might adversely affect the price paid
or received by the Fund or the size of the position obtainable for the Fund.
 
                       REDEMPTION AND EXCHANGE OF SHARES
 
The right of redemption may  be suspended or the  date of payment postponed  (a)
for any period during which the New York Stock Exchange ('NYSE') is closed other
than for customary weekend and holiday closings, (b) when trading in the markets
the  Fund normally utilizes is  restricted, or when an  emergency, as defined by
the rules and  regulations of  the SEC, exists,  making disposal  of the  Fund's
investments  or determination of its net asset value not reasonably practicable,
or (c) for any other  periods as the SEC by  order may permit for protection  of
the Fund's shareholders.
 
     Shares   of  the  Fund  may  be  exchanged  for  shares  of  the  following
PaineWebber/Kidder, Peabody funds,  to the  extent such shares  are offered  for
sale in the shareholder's state of residence:
 
      PaineWebber/Kidder, Peabody California Tax Exempt Money Fund.
 
      PaineWebber/Kidder,  Peabody Municipal Money  Market Series -- Connecticut
      Series.
 
      PaineWebber/Kidder, Peabody Municipal  Money Market Series  -- New  Jersey
      Series.
 
      PaineWebber/Kidder, Peabody Premium Account Fund.
 
     The  right of  exchange may  be suspended  or postponed  if (a)  there is a
suspension of the redemption of Fund shares  under Section 22(e) of the Act,  or
(b)  the Fund temporarily delays or ceases the  sale of its shares because it is
unable to invest  amounts effectively in  accordance with applicable  investment
objectives, policies and restrictions.
 
                        DETERMINATION OF NET ASSET VALUE
 
The  net asset value  of the Fund will  not be calculated  on the following NYSE
holidays (observed): New Year's Day, Presidents' Day, Good Friday, Memorial Day,
Independence Day,  Labor  Day,  Thanksgiving  and Christmas.  If  one  of  these
holidays falls on a Saturday or Sunday, the NYSE will be closed on the preceding
Friday  or the following Monday, respectively. The days on which net asset value
is determined are the Fund's business days. The Fund's net asset value per share
is computed by dividing  the value of  the net assets of  the Fund (i.e,  assets
less  liabilities) by the total number  of shares outstanding. Expenses and fees
of the  Fund, including  PaineWebber's fee,  are accrued  daily and  taken  into
account  for the purpose of determining net asset value. It is the policy of the
Fund  to  attempt   to  maintain  a   net  asset  value   of  $1.00  per   share
 
                                       9
 
<PAGE>
<PAGE>
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for  purposes of sales and redemptions, although  there can be no assurance that
the Fund will always be able to do so.
 
     The Fund maintains a dollar-weighted average portfolio maturity of 90  days
or  less, purchases only instruments having  remaining maturities of 397 days or
less and invests only in securities  which present minimal credit risks and  are
of high quality as determined by any major rating service or, in the case of any
instrument  that is not rated, of comparable  quality as determined by the Board
of Directors.
 
     The valuation  of  the  Fund's  portfolio  securities  is  based  on  their
amortized  cost, which  does not take  into account unrealized  gains or losses.
This involves  valuing an  instrument  at its  cost  and thereafter  assuming  a
constant  amortization to maturity of any discount or premium, regardless of the
impact of fluctuating  interest rates  on the  market value  of the  instrument.
While  this method  provides certainty  in valuation,  it may  result in periods
during which value, as determined by amortized cost, is higher or lower than the
price the Fund would receive if it sold the instrument.
 
     In connection  with  the  utilization  of  the  amortized  cost  method  of
valuation,   the  Board  of  Directors  has  established  procedures  reasonably
designed,  taking  into  account  current  market  conditions  and  the   Fund's
investment  objective, to stabilize net  asset value per share  at $1.00 for the
purpose of sales and redemptions.  These procedures include periodic review,  as
the Board of Directors deems appropriate and at such intervals as are reasonable
in light of current market conditions, of the relationship between the amortized
cost  value  per share  and the  net asset  value per  share based  on available
indications of  market  value. In  such  review, investments  for  which  market
quotations  are readily  available are  valued at the  most recent  bid price or
quoted yield  equivalent for  such securities  or for  securities of  comparable
maturity,  quality and  type as obtained  from one  or more of  the major market
makers for the securities to be valued. Other investments and assets are  valued
at fair value as determined in good faith by the Board of Directors.
 
     The  extent of any  deviation between the  Fund's net asset  value based on
available market quotations or market equivalents  and $1.00 per share based  on
amortized  cost is examined by the Board of Directors. If such deviation exceeds
 .50%, the Board of Directors promptly will consider what action, if any, will be
initiated. In  the event  the Board  of Directors  determines that  a  deviation
exists  which  may  result  in  material dilution  or  other  unfair  results to
shareholders, it has  agreed to  take such corrective  action as  it regards  as
necessary  and appropriate,  including: selling  portfolio instruments  prior to
maturity to realize  capital gains  or losses  or to  shorten average  portfolio
maturity;  not  declaring  dividends  or paying  distributions  from  capital or
capital gains; redeeming shares in kind;  or establishing a net asset value  per
share by using available market quotations.
 
                 DETERMINATION OF CURRENT AND EFFECTIVE YIELDS
 
The  Fund provides  current and  effective yield  quotations based  on its daily
dividends. See 'Dividends,  Distributions and Taxes'  in the Fund's  Prospectus.
Such  quotations  are  made  in  reports,  sales  literature  and advertisements
published by the Fund.
 
                                       10
 
<PAGE>
<PAGE>
- --------------------------------------------------------------------------------
 
     Current yield  is  computed by  determining  the net  change  exclusive  of
capital  changes in  the value of  a hypothetical pre-existing  account having a
balance of one share at the beginning  of a seven day calendar period,  dividing
the  net change in account value by the value of the account at the beginning of
the period and multiplying the  return over the seven  day period by 365/7.  For
purposes  of the calculation, net change in  account value reflects the value of
additional shares purchased with dividends from the original share and dividends
declared on both the original share and any such additional shares, but does not
reflect realized gains  or losses  or unrealized  appreciation or  depreciation.
Effective  yield  is  computed  by annualizing  the  seven-day  return  with all
dividends reinvested in additional shares of the Fund.
 
     Current  and   effective  yields   fluctuate   and  are   not   necessarily
representative  of future results. The shareholder should remember that yield is
a function  of  the  type and  quality  of  the instruments  in  the  portfolio,
portfolio  maturity  and  operating  expenses.  See  'Investment  Objective  and
Management Policies' in the Fund's Prospectus and 'Investment Advisory and Other
Services' above. Current and effective yield information is useful in  reviewing
the  Fund's performance but because current  and effective yields will fluctuate
such information may  not provide  a basis  for comparison  with bank  deposits,
other  investments which pay a fixed yield for  a stated period of time or other
investment companies which may use a different method of calculating yield.
 
     A shareholder's principal in the Fund is not guaranteed. See 'Determination
of Net Asset Value' for a discussion of the manner in which the Fund's price per
share is determined.
 
     Historical and comparative yield information may be presented by the Fund.
 
                             ADDITIONAL INFORMATION
 
As used  in this  statement of  additional information,  when referring  to  the
approvals  to be obtained from shareholders,  the term 'majority' means the vote
of the lesser  of (1)  67% of  the Fund's  shares present  at a  meeting if  the
holders  of more than 50% of the outstanding  shares are present in person or by
proxy, or (2) more than 50% of the Fund's outstanding shares.
 
                              FINANCIAL STATEMENTS
 
The Fund's Annual Report to Shareholders for the fiscal year ended July 31, 1995
is a separate document supplied  with this Statement of Additional  Information,
and  the  financial statements,  accompanying  notes and  report  of independent
auditors appearing therein are  incorporated by reference  in this Statement  of
Additional Information.
 
                 INFORMATION WITH RESPECT TO SECURITIES RATINGS
 
The  following is a description  of Standard & Poor's,  a division of The McGraw
Hill Companies, Inc.,  ('S&P') and Moody's  Investors Service, Inc.  ('Moody's')
commercial paper and corporate bond ratings:
 
                                       11
 
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COMMERCIAL PAPER RATINGS
 
The  designation A-1 by S&P indicates that the degree of safety regarding timely
payment is either  overwhelming or very  strong. Paper rated  A-1 must have  the
following   characteristics:  liquidity   ratios  are  adequate   to  meet  cash
requirements, long-term senior debt is rated A or better, the issuer has  access
to  at least two additional channels of  borrowing, basic earnings and cash flow
have an upward trend with  allowance made for unusual circumstances.  Typically,
the  issuer's industry is well established and  the issuer has a strong position
within the industry; the reliability and quality of management are unquestioned.
Those issues  determined  to  possess overwhelming  safety  characteristics  are
denoted  with a plus sign (+) designation. Paper rated A-1+ must have either the
direct credit  support  of  an  issuer or  guarantor  that  possesses  excellent
long-term  operating  and  financial strengths  combined  with  strong liquidity
characteristics (typically,  such issuers  or  guarantors would  display  credit
quality  characteristics which  would warrant  a senior  bond rating  of 'AA' or
higher), or the direct credit support  of an issuer or guarantor that  possesses
above   average  long-term  fundamental  operating  and  financing  capabilities
combined with ongoing excellent  liquidity characteristics. Capacity for  timely
payment  on  issues with  an A-2  designation is  strong. However,  the relative
degree of safety is not as high as for issues designated A-1.
 
     The rating  Prime-1 is  the  highest commercial  paper rating  assigned  by
Moody's.  Among the factors  considered by Moody's in  assigning ratings are the
following: (1)  evaluation  of  the  management  of  the  issuer;  (2)  economic
evaluation   of  the  issuer's  industry  or  industries  and  an  appraisal  of
speculative-type risks which may be inherent in certain areas; (3) evaluation of
the issuer's products in  relation to competition  and customer acceptance;  (4)
liquidity;  (5) amount and quality of long-term debt; (6) trend of earnings over
a period  of  ten  years; (7)  financial  strength  of parent  company  and  the
relationships which exist with the issuer; and (8) recognition by the management
of  obligations which may be present or may arise as a result of public interest
questions and preparations to meet such obligations.
 
CORPORATE BOND RATINGS
 
Bonds rated AA by S&P are judged by S&P to be high-grade obligations, and in the
majority of instances differ only in small degrees from issues rated AAA.  Bonds
rated  AAA are considered by S&P to be the highest grade obligations and possess
the ultimate degree of protection as to principal and interest.
 
     Bonds rated Aa by Moody's  are judged by Moody's 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 Aaa bonds because  margins
of  protection may not be as large 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. Moody's applies the numeral modifiers 1,
2  and 3  to the  Aa rating  classification. The  modifier 1  indicates that the
security ranks  in  the higher  end  of this  rating  category; the  modifier  2
indicates  a mid-range ranking;  and the modifier  3 indicates a  ranking in the
lower end of this rating category.
 
                                       12

 
<TABLE>
<S>                                                 <C>
- --------------------------------------------------------
Contents
- --------------------------------------------------------
Investment Objective and Policies                      2
- --------------------------------------------------------
Management of the Fund                                 3
- --------------------------------------------------------
Investment Advisory and Other Services                 6
- --------------------------------------------------------
Portfolio Transactions                                 8
- --------------------------------------------------------
Redemption and Exchange of Shares                      9
- --------------------------------------------------------
Determination of Net Asset Value                       9
- --------------------------------------------------------
Determination of Current and Effective Yields         10
- --------------------------------------------------------
Additional Information                                11
- --------------------------------------------------------
Financial Statements                                  11
- --------------------------------------------------------
Information with Respect to Securities
  Ratings                                             11
- --------------------------------------------------------
</TABLE>
 

                                PaineWebber/
                                     Kidder,
                                     Peabody
                                        Cash
                                     Reserve
                                       Fund,
                                        Inc.


Statement of
Additional
Information
 
December 1, 1995


                     STATEMENT OF DIFFERENCES

   The Service Mark shall be expressed as ........... 'sm'


<PAGE>




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