SEI DAILY INCOME TRUST /MA/
497, 1998-12-09
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<PAGE>
SEI DAILY INCOME TRUST
DECEMBER 1, 1998
- --------------------------------------------------------------------------------
 
GOVERNMENT FUND
 
- --------------------------------------------------------------------------------
 
This Prospectus concisely sets forth information about the above-referenced Fund
that an investor needs to know before investing. Please read this Prospectus
carefully and keep it on file for future reference.
 
A Statement of Additional Information dated May 31, 1998, has been filed with
the Securities and Exchange Commission and is available upon request and without
charge by writing the Distributor, SEI Investments Distribution Co., Oaks,
Pennsylvania 19456, or by calling 1-800-342-5734. The Statement of Additional
Information is incorporated into this Prospectus by reference.
 
SEI Daily Income Trust (the "Trust") is an open-end management investment
company, certain classes of which offer financial institutions a convenient
means of investing their own funds, or funds for which they act in a fiduciary,
agency or custodial capacity, in professionally managed diversified portfolios
of securities. Some portfolios offer separate classes of units of beneficial
interest that differ from each other primarily in the allocation of certain
distribution and/or shareholder servicing expenses. This Prospectus offers Class
B and Class C shares of the Government Fund, a money market portfolio (the
"Fund").
 
AN INVESTMENT IN THE FUND IS NEITHER INSURED NOR GUARANTEED BY THE U.S.
GOVERNMENT, AND THERE CAN BE NO ASSURANCE THAT THE FUND WILL BE ABLE TO MAINTAIN
A STABLE NET ASSET VALUE OF $1.00 PER SHARE.
 
- --------------------------------------------------------------------------------
 
 THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
 EXCHANGE COMMISSION NOR HAS THE SECURITIES AND EXCHANGE COMMISSION PASSED UPON
 THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE
 CONTRARY IS A CRIMINAL OFFENSE.
 
 THE TRUST'S SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR
 ENDORSED BY, ANY BANK. THE TRUST'S SHARES ARE NOT FEDERALLY INSURED BY THE
 FEDERAL DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD OR ANY OTHER
 GOVERNMENT AGENCY. INVESTMENT IN THE SHARES INVOLVES RISK, INCLUDING POSSIBLE
 LOSS OF THE PRINCIPAL AMOUNT INVESTED.
<PAGE>
ANNUAL OPERATING EXPENSES (AS A PERCENTAGE OF AVERAGE NET ASSETS)        CLASS B
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                                                                       <C>
Management/Advisory Fees (after fee waiver) (1)                                                                 .15%
12b-1 Fees                                                                                                      none
Total Other Expenses                                                                                            .35%
  Shareholder Servicing Fees                                                                              .25%
- ---------------------------------------------------------------------------------------------------------------------
Total Operating Expenses (after fee waiver) (2)                                                                 .50%
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>
 
(1) THE MANAGER AND ADVISER HAVE WAIVED A PORTION OF THEIR FEES, AND THE
    MANAGEMENT/ADVISORY FEES SHOWN REFLECT THESE WAIVERS. ABSENT SUCH WAIVERS,
    MANAGEMENT/ADVISORY FEES WOULD BE .26% FOR THE GOVERNMENT FUND.
 
(2) ABSENT THIS FEE WAIVER, TOTAL OPERATING EXPENSES FOR THE CLASS B SHARES OF
    THE FUND WOULD BE .61%.
 
EXAMPLE                                                                  CLASS B
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                1 YR.    3 YRS.    5 YRS.    10 YRS.
                                               -------   -------   -------   --------
<S>                                            <C>       <C>       <C>       <C>
An investor would pay the following expenses
 on a $1,000 investment assuming (1) a 5%
 annual return and (2) redemption at the end
 of each time period:
  Government Fund                              $    5    $   16    $   28    $    63
- -------------------------------------------------------------------------------------
</TABLE>
 
THE EXAMPLE SHOULD NOT BE CONSIDERED A REPRESENTATION OF PAST OR FUTURE
EXPENSES. ACTUAL EXPENSES MAY BE GREATER OR LESS THAN THOSE SHOWN.
 
THE PURPOSE OF THIS TABLE IS TO ASSIST THE INVESTOR IN UNDERSTANDING THE VARIOUS
COSTS AND EXPENSES THAT MAY BE DIRECTLY OR INDIRECTLY BORNE BY INVESTORS IN
CLASS B SHARES OF THE FUND. A PERSON WHO PURCHASES SHARES THROUGH A FINANCIAL
INSTITUTION MAY BE CHARGED SEPARATE FEES BY THAT INSTITUTION. THE FUND ALSO
OFFERS CLASS A, CLASS C, CNI CLASS AND SWEEP CLASS SHARES, WHICH ARE SUBJECT TO
THE SAME EXPENSES, EXCEPT THAT CLASS A, CLASS C, CNI CLASS AND SWEEP CLASS
SHARES EACH HAVE DIFFERENT DISTRIBUTION AND/OR SHAREHOLDER SERVICING COSTS.
ADDITIONAL INFORMATION MAY BE FOUND UNDER "THE MANAGER," "THE ADVISER" AND
"DISTRIBUTION AND SHAREHOLDER SERVICING."
 
                                                                               2
<PAGE>
ANNUAL OPERATING EXPENSES (AS A PERCENTAGE OF AVERAGE NET ASSETS)        CLASS C
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                                                                        <C>
Management/Advisory Fees (after fee waiver) (1)                                                                  .15%
12b-1 Fees                                                                                                       none
Total Other Expenses                                                                                             .55%
  Shareholder Servicing Fees                                                                               .25%
- ---------------------------------------------------------------------------------------------------------------------
Total Operating Expenses (after fee waiver) (2)                                                                  .70%
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>
 
(1) THE MANAGER AND ADVISER HAVE WAIVED A PORTION OF THEIR FEE, AND THE
    MANAGEMENT/ADVISORY FEES SHOWN REFLECT THESE WAIVERS. ABSENT SUCH WAIVERS,
    MANAGEMENT/ADVISORY FEES WOULD BE .26% FOR THE FUND.
 
(2) ABSENT THIS FEE WAIVER, TOTAL OPERATING EXPENSES FOR THE CLASS C SHARES OF
    THE FUND WOULD BE .81%.
 
EXAMPLE                                                                  CLASS C
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                1 YR.    3 YRS.    5 YRS.    10 YRS.
                                               -------   -------   -------   --------
<S>                                            <C>       <C>       <C>       <C>
An investor would pay the following expenses
 on a $1,000 investment assuming (1) a 5%
 annual return and (2) redemption at the end
 of each time period:
  Government Fund                              $    7    $   22    $   39    $    87
- -------------------------------------------------------------------------------------
</TABLE>
 
THE EXAMPLE SHOULD NOT BE CONSIDERED A REPRESENTATION OF PAST OR FUTURE
EXPENSES. ACTUAL EXPENSES MAY BE GREATER OR LESS THAN THOSE SHOWN.
 
THE PURPOSE OF THIS TABLE IS TO ASSIST THE INVESTOR IN UNDERSTANDING THE VARIOUS
COSTS AND EXPENSES THAT MAY BE DIRECTLY OR INDIRECTLY BORNE BY INVESTORS IN
CLASS C SHARES OF THE FUND. A PERSON WHO PURCHASES SHARES THROUGH A FINANCIAL
INSTITUTION MAY BE CHARGED SEPARATE FEES BY THAT INSTITUTION. THE FUND ALSO
OFFERS CLASS A, CLASS B, CNI CLASS AND SWEEP CLASS SHARES, WHICH ARE SUBJECT TO
THE SAME EXPENSES, EXCEPT THAT EACH HAS DIFFERENT DISTRIBUTION AND/OR
SHAREHOLDER SERVICING COSTS. ADDITIONAL INFORMATION MAY BE FOUND UNDER "THE
MANAGER," "THE ADVISER" AND "DISTRIBUTION AND SHAREHOLDER SERVICING."
 
                                                                               3
<PAGE>
FINANCIAL HIGHLIGHTS
                  ______________________________________________________________
 
The following financial highlights for a share outstanding throughout each
period have been audited by Arthur Andersen LLP, independent public accountants,
whose report thereon, dated March 6, 1998, was unqualified. This information
should be read in conjunction with the Trust's financial statements as of and
for the fiscal year ended January 31, 1998, and notes thereto, which are
incorporated by reference to the Trust's Statement of Additional Information
under the heading "Financial Information." Additional performance information is
set forth in the Trust's 1998 Annual Report to shareholders, which is available
upon request and without charge by calling 1-800-342-5734.
 
FOR A SHARE OUTSTANDING THROUGHOUT EACH PERIOD
<TABLE>
<CAPTION>
                                    NET ASSET                NET REALIZED AND   DISTRIBUTIONS
                                      VALUE        NET       UNREALIZED GAINS     FROM NET     DISTRIBUTIONS   NET ASSET
                                    BEGINNING   INVESTMENT     (LOSSES) ON       INVESTMENT    FROM REALIZED   VALUE END
                                    OF PERIOD     INCOME        SECURITIES         INCOME      CAPITAL GAINS   OF PERIOD
                                    ------------------------------------------------------------------------------------
<S>                                 <C>         <C>          <C>                <C>            <C>             <C>
- ------------------
GOVERNMENT FUND
- ------------------
 
CLASS B
  1998                               $ 1.00       $0.05           $   --          $  (0.05)       $   --        $ 1.00
  1997                                 1.00        0.05               --             (0.05)           --          1.00
  1996(1)                              1.00        0.02               --             (0.02)           --          1.00
 
CLASS C
  1998(2)                            $ 1.00       $0.03           $   --          $  (0.03)       $   --        $ 1.00
 
<CAPTION>
                                                                                                       RATIO OF NET
                                                                                           RATIO OF     INVESTMENT
                                                                           RATIO OF NET    EXPENSES       INCOME
                                                               RATIO OF     INVESTMENT    TO AVERAGE    TO AVERAGE
                                                NET ASSETS     EXPENSES     INCOME TO     NET ASSETS    NET ASSETS
                                     TOTAL        END OF      TO AVERAGE   AVERAGE NET    (EXCLUDING    (EXCLUDING
                                     RETURN    PERIOD (000)   NET ASSETS      ASSETS       WAIVERS)      WAIVERS)
                                    -------------------------------------------------------------------------------
<S>                                 <C>        <C>            <C>          <C>            <C>          <C>
- ------------------
GOVERNMENT FUND
- ------------------
CLASS B
  1998                                 5.21%     $   29,102      0.50%         5.06%         0.61%         4.95%
  1997                                 5.02          53,144      0.50          4.91          0.62          4.79
  1996(1)                             2.39+          14,997      0.50          5.27          0.63          5.14
CLASS C
  1998(2)                              5.01%     $   25,341      0.70%         4.93%         0.81%         4.83%
</TABLE>
 
  + RETURNS FOR THE PERIOD HAVE NOT BEEN ANNUALIZED.
 
 (1) CLASS B SHARES WERE OFFERED BEGINNING AUGUST 22, 1995. ALL RATIOS AND TOTAL
    RETURNS FOR THAT PERIOD HAVE BEEN ANNUALIZED.
 
 (2) CLASS C SHARES WERE OFFERED BEGINNING JULY 1, 1997. ALL RATIOS AND TOTAL
    RETURN FOR THE PERIOD HAVE BEEN ANNUALIZED.
 
                                                                               4
<PAGE>
THE TRUST
      __________________________________________________________________________
 
SEI DAILY INCOME TRUST (the "Trust") is an open-end management investment
company that offers units of beneficial interest ("shares") in separate
diversified investment portfolios. This Prospectus offers Class B and Class C
shares of the Trust's Government Fund (the "Fund.") The Fund has separate
classes of shares which provide for variations in distribution, shareholder
servicing and transfer agency costs, voting rights and dividends. The Fund
offers Class A, Class B, Class C, Sweep Class and CNI Class shares. Additional
information pertaining to the Trust may be obtained by writing SEI Investments
Distribution Co., Oaks, Pennsylvania 19456, or by calling 1-800-342-5734.
 
INVESTMENT OBJECTIVE
AND POLICIES
     ___________________________________________________________________________
 
                     The Government Fund seeks to preserve principal value and
                     maintain a high degree of liquidity while providing current
                     income. The Fund invests exclusively in (i) U.S. Treasury
                     obligations; (ii) obligations issued or guaranteed as to
                     principal and interest by the agencies or instrumentalities
                     of the U.S. Government; and (iii) repurchase agreements
                     involving such obligations.
 
                           There can be no assurance that the Fund will achieve
                     its investment objective.
 
GENERAL INVESTMENT
POLICIES
     ___________________________________________________________________________
 
                     In purchasing obligations, the Fund complies with the
                     requirements of Rule 2a-7 under the Investment Company Act
                     of 1940 (the "1940 Act"), as that Rule may be amended from
                     time to time. These requirements currently provide that the
                     Fund must limit its investments to securities with
                     remaining maturities of 397 days or less, and must maintain
                     a dollar-weighted average maturity of 90 days or less. In
                     addition, under Rule 2a-7, the Fund may only invest in
                     securities (other than U.S. Government Securities) rated in
                     one of the two highest categories for short-term securities
                     by at least two nationally recognized statistical rating
                     organizations ("NRSROs") (or by one NRSRO if only one NRSRO
                     has rated the security), or, if unrated, determined by the
                     Adviser (in accordance with procedures adopted by the
                     Trust's Board of Trustees) to be of equivalent quality to
                     rated securities in which the Fund may invest.
 
                           Securities rated in the highest rating category by at
                     least two NRSROs (or, if unrated, determined by the Adviser
                     to be of comparable quality) are "first tier" securities.
                     Non-first tier securities rated in the second highest
                     rating category by at least one NRSRO (or, if unrated,
                     determined by the Adviser to be of comparable quality) are
                     considered to be "second tier" securities.
 
                           Although the Fund is governed by Rule 2a-7, its
                     investment policies are, in certain respects, more
                     restrictive than those imposed by that Rule.
 
                                                                               5
<PAGE>
                           The Fund may invest up to 10% of its net assets in
                     illiquid securities. In addition, the Fund may invest in
                     U.S. Treasury STRIPS (as defined in the "Description of
                     Permitted Investments and Risk Factors").
 
                           The Fund may purchase securities on a when-issued
                     basis.
 
                           For temporary defensive purposes, the Fund may
                     maintain 100% of its assets in cash.
 
                           For a description of the permitted investments and
                     the above ratings see "Description of Permitted Investments
                     and Risk Factors" and the Statement of Additional
                     Information.
 
INVESTMENT
LIMITATIONS
        ________________________________________________________________________
 
                     The investment objective and certain of the investment
                     limitations are fundamental policies of the Fund. It is a
                     fundamental policy of the Fund to use its best efforts to
                     maintain a constant net asset value of $1.00 per share.
                     There can be no assurance that the Fund will achieve its
                     investment objective or that the Fund will be able to
                     maintain a net asset value of $1.00 per share on a
                     continuing basis.
 
                           Fundamental policies cannot be changed with respect
                     to the Fund without the consent of the holders of a
                     majority of the Fund's outstanding shares.
 
                     THE FUND MAY NOT:
 
                     1. BORROW MONEY EXCEPT FOR TEMPORARY OR EMERGENCY PURPOSES
                        AND THEN ONLY IN AN AMOUNT NOT EXCEEDING 10% OF THE
                        VALUE OF THE TOTAL ASSETS OF THE FUND. THIS BORROWING
                        PROVISION IS INCLUDED SOLELY TO FACILITATE THE ORDERLY
                        SALE OF PORTFOLIO SECURITIES TO ACCOMMODATE SUBSTANTIAL
                        REDEMPTION REQUESTS IF THEY SHOULD OCCUR AND IS NOT FOR
                        INVESTMENT PURPOSES. ALL BORROWINGS WILL BE REPAID
                        BEFORE THE FUND MAKES ADDITIONAL INVESTMENTS AND ANY
                        INTEREST PAID ON SUCH BORROWINGS WILL REDUCE THE INCOME
                        OF THE FUND.
 
                     The foregoing percentage limitations will apply at the time
                     of the purchase of a security. Additional fundamental and
                     non-fundamental investment limitations are set forth in the
                     Statement of Additional Information.
THE MANAGER
          ______________________________________________________________________
 
                     SEI Investments Fund Management (the "Manager" or the
                     "Transfer Agent"), provides the Trust with overall
                     management services, regulatory reporting, all necessary
                     office space, equipment, personnel and facilities and acts
                     as transfer agent, dividend disbursing agent, and
                     shareholder servicing agent for the shares of the Fund.
 
                           For these services, the Manager is entitled to a fee
                     which is calculated daily and paid monthly at an annual
                     rate of .24% of the Fund's average daily net assets. The
                     Manager is contractually obligated to waive up to all of
                     its fee and, if necessary, pay other operating expenses in
                     order to limit the total operating expenses of the Fund.
                     The
 
                                                                               6
<PAGE>
                     Manager has also voluntarily agreed to waive a portion its
                     fee in order to limit the total operating expenses of the
                     Fund. The Manager reserves the right, in its sole
                     discretion, to terminate this voluntary waiver at any time.
                     For the fiscal year ended January 31, 1998, the Fund paid
                     management fees, after waivers, of .14%.
THE ADVISER
         _______________________________________________________________________
 
                     Wellington Management Company, LLP (the "Adviser" or "WMC")
                     serves as the investment adviser for the Fund under an
                     advisory agreement (the "Advisory Agreement") with the
                     Trust. The Adviser is a professional investment counseling
                     firm which provides investment services to investment
                     companies, employee benefit plans, endowments, foundations,
                     and other institutions and individuals. Under the Advisory
                     Agreement, the Adviser invests the assets of the Fund and
                     continuously reviews, supervises and administers the Fund's
                     investment program. The Adviser is independent of the
                     Manager and SEI and discharges its responsibilities subject
                     to the supervision of, and policies set by, the Trustees of
                     the Trust.
 
                           The Adviser and its predecessor organizations have
                     provided investment advisory services to investment
                     companies since 1928 and to investment counseling clients
                     since 1960. As of March 31, 1998, the Adviser had
                     discretionary management authority with respect to
                     approximately $193.9 billion of assets, including the
                     assets of the Trust and SEI Liquid Asset Trust, each an
                     open-end management investment company administered by the
                     Manager. The principal address of the Adviser is 75 State
                     Street, Boston, Massachusetts 02109. WMC is a Massachusetts
                     limited liability partnership, of which the following
                     persons are managing partners: Robert W. Doran, Duncan M.
                     McFarland and John R. Ryan.
 
                           The Adviser is entitled to a fee, which is calculated
                     daily and paid monthly, at an annual rate of .075% of the
                     combined average daily net assets of the Trust's seven
                     money market portfolios up to $500 million and .02% of such
                     combined average daily net assets in excess of $500
                     million. Such fees are allocated daily among the money
                     market portfolios on the basis of their relative net
                     assets. For the fiscal year ended January 31, 1998, the
                     Fund paid WMC advisory fees (shown here as a percentage of
                     average daily net assets after voluntary fee waivers) of
                     .01%.
 
DISTRIBUTION AND
SHAREHOLDER
SERVICING
      __________________________________________________________________________
 
                     SEI Investments Distribution Co. (the "Distributor"), a
                     wholly-owned subsidiary of SEI Investments Company, serves
                     as the Fund's distributor pursuant to a distribution
                     agreement (the "Distribution Agreement") with the Trust.
 
                           The Fund has adopted plans for each of its classes,
                     under which firms, including the Distributor, that provide
                     shareholder and administrative services may receive
 
                                                                               7
<PAGE>
                     compensation therefor. The Class B and Class C plans differ
                     in a number of ways, including the amounts that may be
                     paid. Under the plans, the Distributor may provide those
                     services itself or may enter into arrangements under which
                     third parties provide such services and are compensated by
                     the Distributor. Under such arrangements the Distributor
                     may retain as a profit any difference between the fee it
                     receives and the amount it pays such third party. In
                     addition, the Fund may enter into such arrangements
                     directly.
 
                           Under the Class B shareholder service plan, a Fund
                     will pay shareholder servicing fees at an annual rate of up
                     to .25% of its average daily net assets in return for the
                     Distributor's (or its agent's) efforts in maintaining
                     client accounts; arranging for bank wires; responding to
                     client inquiries concerning services provided or
                     investments; and assisting clients in changing dividend
                     options, account designations and addresses. In addition,
                     the Class B shares may pay administrative services fees at
                     a specified percentage of the average daily net assets of
                     the shares of the Class (up to .05%). Under the Class C
                     shareholder service plan, the Distributor is entitled to a
                     shareholder service fee at an annual rate of up to .25% of
                     the Fund's average daily net assets attributable to Class C
                     shares in return for the Distributor's (or its agent's)
                     efforts in maintaining client accounts; arranging for bank
                     wires; responding to client inquiries concerning services
                     provided or investments; and assisting clients in changing
                     dividend options, account designations and addresses. In
                     addition, Class C shares may pay administrative services
                     fees at a specified percentage of the average daily net
                     assets of the shares of the Class (up to .25%).
                     Administrative services include providing sub-accounting;
                     providing information on share positions to clients;
                     forwarding shareholder communications to clients;
                     processing purchase, exchange and redemption orders; and
                     processing dividend payments.
 
                           It is possible that an institution may offer
                     different classes of shares to its customers and differing
                     services to the classes of the Fund, and thus receive
                     compensation with respect to different classes. These
                     financial institutions may also charge separate fees to
                     their customers.
 
                           The Distributor may, from time to time and at its own
                     expense, provide promotional incentives, in the form of
                     cash or other compensation, to certain financial
                     institutions whose representatives have sold or are
                     expected to sell significant amounts of the Fund shares.
 
PURCHASE AND
REDEMPTION OF SHARES
    ____________________________________________________________________________
 
                     Financial institutions may acquire shares of the Fund for
                     their own accounts, or as a record owner on behalf of
                     fiduciary, agency or custody accounts, by placing orders
                     with the Transfer Agent. Institutions that use certain SEI
                     proprietary systems may place orders electronically through
                     those systems. Financial institutions may impose an earlier
                     cut-off time for receipt of purchase orders directed
                     through them to allow for processing and
 
                                                                               8
<PAGE>
                     transmittal of these orders to the Transfer Agent for
                     effectiveness on the same day. Financial institutions that
                     purchase shares for the accounts of their customers may
                     impose separate charges on these customers for account
                     services.
 
                           Shares of the Fund may be purchased or redeemed on
                     days on which the New York Stock Exchange is open for
                     business ("Business Days"). However, money market fund
                     shares can not be purchased by Federal Reserve wire on
                     Federal holidays restricting wire transfers.
 
                           Shareholders who desire to purchase shares with cash
                     must place their orders with the Transfer Agent (or its
                     authorized agent) prior to the determination of net asset
                     value and in accordance with the procedures described below
                     for the order to be accepted on that Business Day. Cash
                     investments must be transmitted or delivered in federal
                     funds to the wire agent by the close of business on the
                     same day the order is placed. The Trust reserves the right
                     to reject a purchase order when the Distributor determines
                     that it is not in the best interest of the Trust or
                     shareholders to accept such purchase order.
 
                           The Trust will send shareholders a statement of
                     shares owned after each transaction. The purchase price of
                     shares is the net asset value next determined after a
                     purchase order is received and accepted by the Trust, which
                     is expected to remain constant at $1.00. The net asset
                     value per share of the Fund is determined by dividing the
                     total value of its investments and other assets, less any
                     liabilities, by the total number of outstanding shares of
                     the Fund. The Fund's investments will be valued by the
                     amortized cost method described in the Statement of
                     Additional Information. Net asset value per share is
                     determined daily as of 4:30 p.m. Eastern time on each
                     Business Day. Financial institutions which purchase and
                     redeem shares for the accounts of their customers may
                     impose their own cut-off times for receipt of purchase and
                     redemption requests directed through them.
 
                           Shareholders who desire to redeem shares of the Fund
                     must place their redemption orders with the Transfer Agent
                     (or its authorized agent) prior to the determination of net
                     asset value and in accordance with the procedures described
                     below on any Business Day. The redemption price is the net
                     asset value per share of the Fund next determined after
                     receipt by the Transfer Agent of the redemption order.
                     Payment on redemptions will be made as promptly as possible
                     and, in any event, within seven days after the redemption
                     order is received.
 
                           Purchase and redemption orders may be placed by
                     telephone. Neither the Trust nor the Trust's Transfer Agent
                     will be responsible for any loss, liability, cost or
                     expense for acting upon wire instructions or upon telephone
                     instructions that it reasonably believes to be genuine. The
                     Trust and the Trust's Transfer Agent will each employ
                     reasonable procedures to confirm that instructions
                     communicated by telephone are genuine, including requiring
                     a form of personal identification prior to acting upon
                     instructions received by telephone and recording telephone
                     instructions.
 
                                                                               9
<PAGE>
                           If market conditions are extraordinarily active, or
                     other extraordinary circumstances exist, shareholders may
                     experience difficulties placing redemption orders by
                     telephone, and may wish to consider placing orders by other
                     means.
PERFORMANCE
          ______________________________________________________________________
 
                     For any Fund, the performance of Class B shares will
                     normally be higher than that of Class C shares because of
                     the additional administrative services expenses charged to
                     Class C shares.
 
                           From time to time, the Fund may advertise the
                     "current yield" and "effective yield" (also called
                     "effective compound yield"). These figures are based on
                     historical earnings and are not intended to indicate future
                     performance. No representation can be made concerning
                     actual future yields or returns. The "current yield" of the
                     Fund refers to the income generated by a hypothetical
                     investment in the Fund over a seven-day period (which
                     period will be stated in the advertisement). This income is
                     then "annualized," I.E., the income generated 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" (also called "effective compound 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 Fund may periodically compare its performance to
                     that of: (i) other mutual funds tracked by mutual fund
                     rating services (such as Lipper Analytical) or financial
                     and business publications and periodicals; (ii) broad
                     groups of comparable mutual funds; (iii) unmanaged indices
                     which may assume investment of dividends but generally do
                     not reflect deductions for administrative and management
                     costs, or; (iv) to other investment alternatives. The Fund
                     may also quote financial and business publications and
                     periodicals as they relate to fund management, investment
                     philosophy and investment techniques.
TAXES
  ______________________________________________________________________________
 
                     The following summary of federal income tax consequences is
                     based on current tax laws and regulations, which may be
                     changed by legislative, judicial or administrative action.
                     No attempt has been made to present a detailed explanation
                     of the federal, state or local income tax treatment of the
                     Fund or its shareholders. In addition, state and local tax
                     consequences of an investment in the Fund may differ from
                     the federal income tax consequences described below.
                     Accordingly, shareholders are urged to consult their tax
                     advisers regarding specific questions as to federal, state
                     and local income taxes. Additional information concerning
                     taxes is set forth in the Statement of Additional
                     Information.
TAX STATUS
OF THE FUND
                     The Fund is treated as a separate entity for federal income
                     tax purposes and is not combined with the Trust's other
                     portfolios. The Fund intends to continue to qualify for the
                     special tax treatment afforded regulated investment
                     companies ("RICs") under
 
                                                                              10
<PAGE>
                     Subchapter M of the Internal Revenue Code of 1986, as
                     amended, (the "Code") so as to be relieved of federal
                     income tax on net investment company taxable income and net
                     capital gains (the excess of net long-term capital gains
                     over net short-term capital losses) distributed to
                     shareholders. The Fund also intends to make sufficient
                     distributions prior to the end of each calendar year to
                     avoid liability for the federal excise tax applicable to
                     RICs.
TAX STATUS
OF DISTRIBUTIONS
                     The Fund distributes substantially all of its net
                     investment income (including net short-term capital gains)
                     to shareholders. Dividends from a Fund's net investment
                     company taxable income are taxable to its shareholders as
                     ordinary income (whether received in cash or in additional
                     shares) and will not qualify for the corporate dividends
                     received deduction. Distributions of net capital gains are
                     taxable to shareholders as long-term capital gains,
                     regardless of how long shareholders have held their shares
                     and regardless of whether the distributions are received in
                     cash or in additional shares. The Fund provides annual
                     reports to shareholders of the federal income tax status of
                     all distributions.
 
                           Dividends declared by the Fund in October, November
                     or December of any year and payable to shareholders of
                     record on a date in such a month, will be deemed to have
                     been paid by the Fund and received by the shareholders on
                     December 31 of the year declared if paid by the Fund at any
                     time during the following January.
 
                           Income received on direct U.S. Government obligations
                     is exempt from tax at the state level when received
                     directly by a Fund and may be exempt, depending on the
                     state, when received by a shareholder from a Fund provided
                     certain state-specific conditions are satisfied. Interest
                     received on repurchase agreements collateralized by U.S.
                     Government obligations normally is not exempt from state
                     taxation. The Fund will inform shareholders annually of the
                     percentage of income and distributions derived from direct
                     U.S. Government obligations. Shareholders should consult
                     their tax advisers to determine whether any portion of the
                     income dividends received from the Fund is considered tax
                     exempt in their particular states.
 
                           With respect to investments in U.S. Treasury STRIPS,
                     which are sold at original issue discount and thus do not
                     make periodic cash interest payments, the Fund will be
                     required to include as part of its current income the
                     accreted interest on any such obligations even though the
                     Fund has not received any interest payments on such
                     obligations during that period. Because the Fund
                     distributes all of its net investment income to its
                     shareholders, the Fund may have to sell portfolio
                     securities to distribute such imputed income, which may
                     occur at a time when the Adviser would not have chosen to
                     sell such securities, and which may result in a taxable
                     gain or loss.
 
                           Each sale, exchange, or redemption of Fund shares is
                     a taxable transaction to the shareholder.
 
                                                                              11
<PAGE>
GENERAL INFORMATION
         _______________________________________________________________________
THE TRUST
                     The Trust was organized as a Massachusetts business trust
                     under a Declaration of Trust dated March 15, 1982. The
                     Declaration of Trust permits the Trust to offer separate
                     portfolios of shares and different classes of each
                     portfolio. In addition to the Government Fund, the Trust
                     consists of the following funds: Money Market Fund, Prime
                     Obligation Fund, Government II Fund, Treasury Fund,
                     Treasury II Fund, Federal Securities Fund, Short-Duration
                     Government Fund, Intermediate-Duration Government Fund,
                     GNMA Fund, Corporate Daily Income Fund and Treasury
                     Securities Daily Income Fund (formerly, Government
                     Securities Daily Income Fund). All consideration received
                     by the Trust for shares of any portfolio and all assets of
                     such portfolio belong to that portfolio and would be
                     subject to liabilities related thereto.
 
                           The Trust pays its expenses, including fees of its
                     service providers, audit and legal expenses, expenses of
                     preparing prospectuses, proxy solicitation materials and
                     reports to shareholders, costs of custodial services and
                     registering the shares under state and federal securities
                     laws, pricing, insurance expenses, litigation and other
                     extraordinary expenses, brokerage costs, interest charges,
                     taxes and organization expenses.
TRUSTEES OF THE TRUST
                     The management and affairs of the Trust are supervised by
                     the Trustees under the laws of The Commonwealth of
                     Massachusetts. The Trustees have approved contracts under
                     which, as described above, certain companies provide
                     essential management services to the Trust.
VOTING RIGHTS
                     Each share held entitles the shareholder of record to one
                     vote. The shareholders of each Fund or class will vote
                     separately on matters relating solely to that Fund or
                     class. As a Massachusetts business trust, the Trust is not
                     required to hold annual meetings of shareholders, but
                     approval will be sought for certain changes in the
                     operation of the Trust and for the election of Trustees
                     under certain circumstances. In addition, a Trustee may be
                     removed by the remaining Trustees or by shareholders at a
                     special meeting called upon written request of shareholders
                     owning at least 10% of the outstanding shares of the Trust.
                     In the event that such a meeting is requested the Trust
                     will provide appropriate assistance and information to the
                     shareholders requesting the meeting.
REPORTING
                     The Trust issues an unaudited financial report
                     semi-annually and audited financial statements annually.
                     The Trust furnishes proxy statements and other reports to
                     shareholders of record.
SHAREHOLDER INQUIRIES
                     Shareholder inquiries should be directed to the Manager,
                     SEI Investments Fund Management, Oaks, Pennsylvania 19456.
DIVIDENDS
                     Substantially all of the net investment income (exclusive
                     of capital gains) of the Fund is distributed in the form of
                     dividends that are declared on each Business Day as a
                     dividend for shareholders of record and are distributed
                     monthly in federal funds or in additional shares at the
                     discretion of the shareholder on the first Business Day of
                     each month.
 
                                                                              12
<PAGE>
                     Dividends will be paid on the next Business Day to
                     shareholders who redeem all of their shares of a Fund at
                     any other time during the month. The dividends on Class B
                     shares are normally higher than those on Class C shares of
                     the Fund because of the additional distribution and/or
                     shareholder servicing expenses charged to Class C shares.
COUNSEL AND INDEPENDENT
PUBLIC ACCOUNTANTS
                     Morgan, Lewis & Bockius LLP serves as counsel to the Trust.
                     Arthur Andersen LLP serves as the independent public
                     accountants of the Trust.
CUSTODIAN AND WIRE AGENT
                     First Union National Bank, Broad and Chestnut Streets, P.O.
                     Box 7618, Philadelphia, Pennsylvania 19101 (the
                     "Custodian"), acts as custodian and wire agent of the
                     assets of the Fund. The Custodian holds cash, securities
                     and other assets of the Trust as required by the 1940 Act.
 
DESCRIPTION OF
PERMITTED
INVESTMENTS AND RISK
FACTORS   ______________________________________________________________________
 
                     The following is a description of certain of the permitted
                     investment practices for the Fund and the associated risk
                     factors:
ILLIQUID SECURITIES
                     Illiquid securities are securities which cannot be disposed
                     of within seven business days at approximately the price at
                     which they are being carried on the Fund's books. An
                     illiquid security includes a demand instrument with a
                     demand notice period exceeding seven days, securities for
                     which there is no active secondary market for such
                     security, and repurchase agreements with maturities or
                     durations over seven days in length.
REPURCHASE AGREEMENTS
                     Repurchase agreements are agreements by which the Fund
                     obtains a security and simultaneously commits to return the
                     security to the seller at an agreed upon price on an agreed
                     upon date within a number of days from the date of
                     purchase. The Fund will have actual or constructive
                     possession of the security as collateral for the repurchase
                     agreement. The Fund bears a risk of loss in the event the
                     other party defaults on its obligations and the Fund is
                     delayed or prevented from exercising its rights to dispose
                     of the collateral or if the Fund realizes a loss on the
                     sale of the collateral. The Fund will enter into repurchase
                     agreements only with financial institutions deemed to
                     present minimal risk of bankruptcy during the term of the
                     agreement based on established guidelines. Repurchase
                     agreements are considered loans under the 1940 Act.
U.S. GOVERNMENT AGENCY
SECURITIES
                     Obligations issued or guaranteed by agencies of the U.S.
                     Government, including, among others, the Federal Farm
                     Credit Bank, the Federal Housing Administration and the
                     Small Business Administration, and obligations issued or
                     guaranteed by instrumentalities of the U.S. Government,
                     including, among others, the Federal Home Loan Mortgage
                     Corporation, the Federal Land Banks and the U.S. Postal
                     Service. Some of these securities are supported by the full
                     faith and credit of the U.S. Treasury (E.G., Government
                     National Mortgage Association securities), others are
                     supported by the right of the issuer to borrow from the
 
                                                                              13
<PAGE>
                     Treasury (E.G., Federal Farm Credit Bank securities), while
                     still others are supported only by the credit of the
                     instrumentality (E.G., Fannie Mae securities). Guarantees
                     of principal by agencies or instrumentalities of the U.S.
                     Government may be a guarantee of payment at the maturity of
                     the obligation so that in the event of a default prior to
                     maturity there might not be a market and thus no means of
                     realizing on the obligation prior to maturity. Guarantees
                     as to the timely payment of principal and interest do not
                     extend to the value or yield of these securities nor to the
                     value of the Fund's shares.
U.S. TREASURY
OBLIGATIONS
                     U.S. Treasury obligations consist of bills, notes and bonds
                     issued by the U.S. Treasury as well as separately traded
                     interest and principal component parts of such obligations,
                     known as Separately Traded Registered Interest and
                     Principal Securities ("STRIPS"), that are transferable
                     through the federal book-entry system.
U.S. TREASURY STRIPS
                     STRIPS are sold as zero coupon securities which means that
                     they are sold at a substantial discount and redeemed at
                     face value at their maturity date without interim cash
                     payments of interest or principal. This discount is
                     accreted over the life of the security, and such accretion
                     will constitute the income earned on the security for both
                     accounting and tax purposes. Because of these features,
                     such securities may be subject to greater interest rate
                     volatility than interest-paying investments.
WHEN-ISSUED AND DELAYED
DELIVERY SECURITIES
                     When-issued or delayed delivery basis transactions involve
                     the purchase of an instrument with payment and delivery
                     taking place in the future. Delivery of and payment for
                     these securities may occur a month or more after the date
                     of the purchase commitment. The Fund will maintain with the
                     Custodian a separate account with liquid securities or cash
                     in an amount at least equal to these commitments. The
                     interest rate realized on these securities is fixed as of
                     the purchase date and no interest accrues to the Fund
                     before settlement.
 
                                                                              14
<PAGE>
TABLE OF CONTENTS
               _________________________________________________________________
 
<TABLE>
<S>                                                                         <C>
Annual Operating Expenses.................................................     2
Financial Highlights......................................................     4
The Trust.................................................................     5
Investment Objective and Policies.........................................     5
General Investment Policies...............................................     5
Investment Limitations....................................................     6
The Manager...............................................................     6
The Adviser...............................................................     7
Distribution and Shareholder Servicing....................................     7
Purchase and Redemption of Shares.........................................     8
Performance...............................................................    10
Taxes.....................................................................    10
General Information.......................................................    12
Description of Permitted Investments and Risk Factors.....................    13
</TABLE>
 
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