LORD ABBETT DELTA FUND
N-1A, 2000-10-13
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       As filed with the Securities and Exchange Commission on October 13, 2000

                                                Securities Act File No. 33-
                                       Investment Company Act File No. 811-


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM N-1A

           REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933    [X]

                           Pre-Effective Amendment No.

                          Post-Effective Amendment No.

                                     and/or


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


                                  Amendment No.

                        (Check appropriate box or boxes)

                             LORD ABBETT DELTA FUND
               (Exact Name of Registrant as Specified in Charter)

                                90 Hudson Street
                       Jersey City, New Jersey 07302-3973
                     (Address of Principal Executive Office)


       Registrant's Telephone Number, including Area Code: (201) 395-2000

                           Christina T. Simmons, Esq.
                  Vice President and Assistant General Counsel
                               Lord, Abbett & Co.
                                90 Hudson Street
                       Jersey City, New Jersey 07302-3973
                     (Name and Address of Agent for Service)

Approximate Date of Proposed Public Offering: As soon as practicable after this
Registration Statement is declared effective.

--------------------------
Pursuant to Regulation  270.24f-2 under the Investment  Company Act of 1940, the
Registrant  hereby  elects  to  register  an  indefinite  number  of  shares  of
beneficial interest.


<PAGE>


LORD
ABBETT    DELTA FUND


PROSPECTUS
      2000









[LOGO] LORD, ABBETT & CO.
       INVESTMENT MANAGEMENT
A Tradition of Performance Through Disciplined Investing


               As with all mutual funds, the Securities and Exchange Commission
               has not approved or disapproved these securities or passed upon
               the adequacy of this prospectus. Any representation to the
               contrary is a criminal offense.

<PAGE>


                               Table of Contents

                              The Fund

           What you should know    Goal                               2
                 about the Fund    Principal Strategy                 2
                                   Main Risks                         2
                                   Performance                        3
                                   Fees and Expenses                  3



                           Your Investment

       Information for managing    Purchases                          4
              your Fund account    Sales Compensation                 6
                                   Opening Your Account               7
                                   Redemptions                        8
                                   Distributions and Taxes            9
                                   Services For Fund Investors        9
                                   Management                         10



                         For More Information

              How to learn more    Other Investment Techniques        11
                 about the Fund    Glossary of Shaded Terms           12
                                   Compensation For Your Dealer       14



    How to learn more about the    Back Cover
Fund and other Lord Abbett Funds


<PAGE>

                                    The Fund


     While typically fully invested, at times the Fund may invest temporarily in
     such short-term  fixed income  securities as U.S.  Government  obligations,
     commercial paper and repurchase  agreements.  This could reduce the benefit
     from any  upswing in the market and  prevent  the Fund from  achieving  its
     investment objective.

MAIN RISKS

     The Fund is subject to the general risks and considerations associated with
     equity  investing.  The value of your investment will fluctuate in response
     to movements  in the stock market in general and to the changing  prospects
     of  individual  companies  in which the Fund  invests.  Different  types of
     stocks shift in and out of favor depending on market,  economic,  political
     or other conditions.  Some of the small-capitalized  companies in which the
     Fund may invest may be more volatile in price than larger issuers.  Smaller
     companies  may have  more  limited  product  lines,  markets  or  financial
     resources.  In  addition,  if the Fund's  focus on a  particular  theme for
     investment or its assessment of an economic  sector,  industry or company's
     potential for growth is wrong, the Fund could suffer losses or produce poor
     performance relative to other funds, even in a rising market.

     An  investment  in the Fund is not a bank  deposit  and is not  insured  or
     guaranteed  by the  Federal  Deposit  Insurance  Corporation  or any  other
     government  agency.  The Fund is not a complete  investment program and may
     not be appropriate for all investors.  You could lose money by investing in
     the Fund.

WE OR THE FUND refers to Lord Abbett Delta Fund.

ABOUT THE FUND. The Fund is a professionally managed portfolio primarily holding
securities purchased with the pooled money of investors. It strives to reach its
stated goal, although as with all funds, it cannot guarantee results.

BOTTOM-UP  RESEARCH  looks for expected  high  performing  stocks of  individual
companies before  considering the impact of economic trends.  Companies might be
identified  from  investment  research  analysis or personal  knowledge of their
products and services.  This approach  considers that a company can do well even
if it is part of a sector or industry that, as a whole, is not performing well.

You should read this entire prospectus, including "Other Investment Techniques,"
which concisely  describes the other investment  strategies used by the Fund and
their risks.

2    The Fund


<PAGE>

                                                                      DELTA FUND


PERFORMANCE

     The Fund does not show any performance  because it has not completed a full
     calendar year of operations.

FEES AND EXPENSES

     This table  describes the fees and expenses that you may pay if you buy and
     hold shares of the Fund.
<TABLE>
<CAPTION>
==============================================================================================================
FEE TABLE
==============================================================================================================
<S>                                                          <C>       <C>           <C>          <C>
                                                             CLASS A   CLASS B(2)    CLASS C      CLASS P
SHAREHOLDER FEES (Fees paid directly from your investment)
--------------------------------------------------------------------------------------------------------------
Maximum Sales Charge on Purchases
--------------------------------------------------------------------------------------------------------------
(as a % of offering price)                                    5.75%       none        none        none
--------------------------------------------------------------------------------------------------------------
MAXIMUM DEFERRED SALES CHARGE                                 none(1)    5.00%       1.00%(1)     none
--------------------------------------------------------------------------------------------------------------
ANNUAL FUND OPERATING EXPENSES (EXPENSES DEDUCTED FROM FUND ASSETS) (AS A % OF AVERAGE NET ASSETS)(3)
--------------------------------------------------------------------------------------------------------------
Management Fees (See "Management")
--------------------------------------------------------------------------------------------------------------
DISTRIBUTION (12B-1) AND SERVICE FEES(4)
--------------------------------------------------------------------------------------------------------------
Other Expenses
--------------------------------------------------------------------------------------------------------------
Total Operating Expenses
--------------------------------------------------------------------------------------------------------------
</TABLE>
(1) A  contingent  deferred  sales  charge of 1.00% may be  assessed  on certain
redemptions (a) of Class A shares made within 24 months  following any purchases
made without a sales charge,  and (b) Class C shares if they are redeemed before
the first anniversary of their purchase.

(2) Class B shares will convert to Class A shares on the eighth  anniversary  of
your original purchase of Class B shares.

(3) The  annual  operating  expenses  are based on  estimated  expenses  for the
current  fiscal year.  (4) Because 12b-1 fees are paid out on an ongoing  basis,
over time they will increase the cost of your  investment  and may cost you more
than paying other types of sales charges.

================================================================================
EXAMPLE
================================================================================
This  example is intended to help you compare the cost of  investing in the Fund
with the cost of investing in other mutual  funds.  This  example,  like that in
other  funds'  prospectuses,  assumes  that you  invest  $10,000  in the Fund at
maximum sales charge, if any, for the time periods indicated and then redeem all
of your shares at the end of those  periods.  The example also assumes that your
investment  has a 5% return  each year and that the  Fund's  operating  expenses
remain the same.  Although  your actual  costs may be higher or lower,  based on
these assumptions your costs (including any applicable contingent deferred sales
charges) would be:
SHARE CLASS              1 YEAR         3 YEARS
--------------------------------------------------------------------------------
Class A shares
--------------------------------------------------------------------------------
Class B shares
--------------------------------------------------------------------------------
Class C shares
--------------------------------------------------------------------------------
Class P shares
--------------------------------------------------------------------------------
You would have paid the following expenses if you did not redeem your shares:
Class A shares
--------------------------------------------------------------------------------
Class B shares
--------------------------------------------------------------------------------
Class C shares
--------------------------------------------------------------------------------
Class P shares
--------------------------------------------------------------------------------
MANAGEMENT FEES are payable
to Lord, Abbett & Co. ("Lord Abbett") for the Fund's investment management.

12B-1 FEES refer to fees incurred for activities that are primarily  intended to
result in the sale of Fund  shares  and  service  fees for  shareholder  account
service and maintenance.

OTHER EXPENSES include fees paid
for miscellaneous items such as shareholder service fees and
professional fees.

                                                                The Fund  |  3
<PAGE>

                                YOUR INVESTMENT

PURCHASES

     The Fund offers in this  prospectus  four classes of shares:  Class A, B, C
     and P, each with different expenses and dividends.  You may purchase shares
     at the net asset value ("NAV") per share  determined  after we receive your
     purchase  order  submitted in proper form. A front-end  sales charge may be
     added to the NAV in the case of the Class A shares.  There is no  front-end
     sales charge in the case of Class B, C and P shares,  although there may be
     a contingent deferred sales charge ("CDSC") as described below.

     You should read this section  carefully to determine  which class of shares
     represents the best investment option for your particular situation. It may
     not be  suitable  for you to place a  purchase  order for Class B shares of
     $500,000 or more or a purchase  order for Class C shares of  $1,000,000  or
     more.   You  should   discuss   purchase   options  with  your   investment
     professional.

     For more information, see "Alternative Sales Arrangements" in the Statement
     of Additional Information.

     We reserve the right to withdraw  all or any part of the  offering  made by
     this  prospectus or to reject any purchase order. We also reserve the right
     to waive or change minimum investment requirements. All purchase orders are
     subject to our acceptance  and are not binding until  confirmed or accepted
     in writing.

================================================================================
SHARE CLASSES
================================================================================
 CLASS A  o normally offered with a front-end sales charge
 CLASS B  o no front-end sales charge,  however, a CDSC is applied to shares
            sold prior to the sixth anniversary of purchase
          o higher annual expenses than Class A shares
          o automatically  converts to Class A shares after eight years
 CLASS C  o no front-end sales charge,  however, a CDSC is applied to shares
            sold prior to the first anniversary of purchase
          o higher annual expenses than Class A shares
 CLASS P  o available to certain  pension or  retirement  plans and pursuant to
            a Mutual Fund Fee Based Program

================================================================================
FRONT-END SALES CHARGES - CLASS A SHARES
================================================================================
                                                                     TO COMPUTE
                             AS A % OF            AS A % OF       OFFERINGPRICE
YOUR INVESTMENT           OFFERING PRICE       YOUR INVESTMENT    DIVIDE NAV BY
================================================================================
Less than $50,000             5.75%                6.10%               .9425
================================================================================
$50,000 to $99,999            4.75%                4.99%               .9525
================================================================================
$100,000 to $249,999          3.95%                4.11%               .9605
================================================================================
$250,000 to $499,999          2.75%                2.83%               .9725
================================================================================
$500,000 to $999,999          1.95%                1.99%               .9805
================================================================================
$1,000,000 and over       No Sales Charge                             1.0000
================================================================================

NAV per share for each class of Fund shares is  calculated  each business day at
the close of regular trading on the New York Stock Exchange  ("NYSE"),  normally
4:00 p.m.  Eastern time.  Purchases and sales of Fund shares are executed at the
NAV next  determined  after the Fund  receives  your  order in proper  form.  In
calculating NAV, securities for which market quotations are available are valued
at those quotations.  Securities for which such quotations are not available are
valued at fair value under procedures approved by the Board of the Fund.


4  |  Your Investment

<PAGE>

     REDUCING  YOUR  CLASS A  FRONT-END  SALES  CHARGES.  Class A shares  may be
     purchased  at a  discount  if you  qualify  under  either of the  following
     conditions:

     o    RIGHTS  OF  ACCUMULATION  -- A  Purchaser  may  apply the value of the
          shares  already  owned to a new  purchase  of  Class A  shares  of any
          Eligible Fund in order to reduce the sales charge.

     o    LETTER OF  INTENTION  -- A  Purchaser  of Class A shares can  purchase
          additional  shares of any  Eligible  Fund over a  13-month  period and
          receive the same sales charge as if all shares were purchased at once.
          Shares  purchased  through  reinvestment of dividends or distributions
          are not  included.  A Letter of  Intention  can be  backdated 90 days.
          Current  holdings  under Rights of  Accumulation  may be included in a
          Letter of Intention.

For more  information on eligibility for these  privileges,  read the applicable
sections in the attached application.

CLASS A SHARE PURCHASES WITHOUT A FRONT-END SALES CHARGE.  Class A shares may be
purchased   without  a  front-end  sales  charge  under  any  of  the  following
conditions:

o    purchases of $1 million or more O
o    purchases by Retirement Plans with at least 100 eligible employees O
o    purchases under a Special Retirement Wrap Program O
o    purchases  made  with  dividends  and  distributions  on Class A shares  of
     another Eligible Fund
o    purchases representing repayment under the loan feature of the Lord Abbett-
     sponsored prototype 403(b) Plan for Class A shares
o    purchases by employees of any consenting  securities  dealer having a sales
     agreement with Lord Abbett Distributor
o    purchases under a Mutual Fund Fee Based Program
o    purchases by trustees or custodians of any pension or profit  sharing plan,
     or payroll deduction IRA for employees of any consenting  securities dealer
     having a sales agreement with Lord Abbett Distributor
o    purchases  by each  Lord  Abbett-sponsored  fund's  Directors  or  Trustees
     (including   retired   Directors  or  Trustees),   officers  of  each  Lord
     Abbett-sponsored  fund,  employees  and  partners  of  Lord  Abbett.  These
     categories of Purchasers also include family members of such Purchasers.

See the Statement of Additional Information for a listing of other categories of
purchasers  who qualify for Class A share  purchases  without a front-end  sales
charge.

* These categories may be subject to a CDSC.

CLASS A SHARE  CDSC.  If you buy  Class A shares  under one of the  starred  (O)
categories  listed  above and you redeem any within 24 months after the month in
which you initially purchased them, the Fund will normally collect a CDSC of 1%.

The Class A share CDSC generally will be waived for the following conditions:

o    benefit payments under Retirement Plans in connection with loans,  hardship
     withdrawals, death, disability,  retirement, separation from service or any
     excess distribution under Retirement Plans (documentation may be required)

o    redemptions  continuing as investments in another fund  participating  in a
     SPECIAL RETIREMENT WRAP PROGRAM


RETIREMENT PLANS include employer-sponsored  retirement plans under the Internal
Revenue Code, excluding Individual Retirement Accounts.

Lord  Abbett  offers a  variety  of  Retirement  Plans.  Call  800-253-7299  for
information  about:

o    Traditional, Rollover, Roth and Education IRAs
o    Simple IRAs, SEP-IRAs, 401(k) and 403(b) accounts
o    Defined Contribution Plans

LORD ABBETT DISTRIBUTOR LLC ("Lord Abbett Distributor") acts as agent
for the Fund to work with investment  professionals  that buy and/or sell shares
of the Fund on behalf of their clients.  Generally, Lord Abbett Distributor does
not sell Fund shares directly to investors.

BENEFIT PAYMENT DOCUMENTATION.
(Class A CDSC only)
o    under $50,000 - no documentation necessary
o    over $50,000 - reason for benefit payment must be received in writing.  Use
     the address indicated under "Opening your Account."


                                                             Your Investment | 5

<PAGE>

                    CDSC, regardless of class, is not charged on shares acquired
                    through reinvestment of dividends or capital gains
                    distributions and is charged on the original purchase cost
                    or the current market value of the shares at the time they
                    are being sold, which-ever is lower. In addition, repayment
                    of loans under Retirement Plans and 403(b) Plans will
                    constitute new sales for purposes of assessing the CDSC.

                    To minimize the amount of any CDSC, the Fund redeems shares
                    in the following order:

                    1.   shares acquired by reinvestment of dividends and
                         capital gains (always free of a CDSC)

                    2.   shares held for six years or more (Class B) or two
                         years or more after the month of purchase (Class A) or
                         one year or more (Class C)

                    3.   shares held the longest before the sixth anniversary of
                         their purchase (Class B) or before the second
                         anniversary after the month of purchase (Class A) or
                         before the first anniversary of their purchase (Class
                         C)


     CLASS B SHARE  CDSC.  The CDSC for Class B shares  normally  applies if you
     redeem your shares before the sixth  anniversary of their initial purchase.
     The  CDSC  declines  the  longer  you own  your  shares,  according  to the
     following schedule:

===============================================================================
CONTINGENT DEFERRED SALES CHARGES - CLASS B SHARES
===============================================================================
ANNIVERSARY(1) OF THE DAY ON                 CONTINGENT DEFERRED SALES CHARGE
WHICH THE PURCHASE ORDER                     ON REDEMPTION (AS % OF AMOUNT
WAS ACCEPTED                                 SUBJECT TO CHARGE)
On                             Before
===============================================================================
                               1st                       5.0%
===============================================================================
1st                            2nd                       4.0%
===============================================================================
2nd                            3rd                       3.0%
===============================================================================
3rd                            4th                       3.0%
===============================================================================
4th                            5th                       2.0%
===============================================================================
5th                            6th                       1.0%
===============================================================================
ON OR AFTER THE 6TH(2)                                   None
===============================================================================
(1)  The  anniversary is the same calendar day in each respective year after the
     date of purchase.  For example,  the  anniversaries for shares purchased on
     May 1 will be May 1 of each succeeding year.
(2)  Class B shares will  automatically  convert to Class A shares on the eighth
     anniversary of the purchase of Class B shares.

     The  Class B share  CDSC  generally  will be  waived  under  the  following
     circumstances:
     o    benefit  payments  under  Retirement  Plans in connection  with loans,
          hardship withdrawals, death, disability,  retirement,  separation from
          service or any excess  contribution or distribution  under  Retirement
          Plans
     o    Eligible  Mandatory  Distributions  under 403(b) Plans and  individual
          retirement accounts
     o    death of the shareholder
     o    redemptions  of shares in  connection  with  Div-Move  and  Systematic
          Withdrawal Plans (up to 12% per year)

     See "Systematic  Withdrawal Plan" under "Services For Fund Investors" below
     for more information on CDSCs with respect to Class B shares.

     CLASS C SHARE CDSC. The 1% CDSC for Class C shares normally  applies if you
     redeem your shares  before the first  anniversary  of the  purchase of such
     shares.

     CLASS P SHARES.  Class P shares have lower annual expenses than Class B and
     Class C shares, no front-end sales charge,  and no CDSC. Class P shares are
     currently  sold and redeemed at NAV (a) pursuant to a Mutual Fund Fee Based
     Program, or (b) to the trustees of, or  employer-sponsors  with respect to,
     pension or retirement plans with at least 100 eligible employees (such as a
     plan under Section 401(a),  401(k) or 457(b) of the Internal  Revenue Code)
     which engage an investment  professional  providing or  participating in an
     agreement  to  provide   certain   recordkeeping,   administrative   and/or
     sub-transfer  agency  services  to  the  Fund  on  behalf  of the  Class  P
     shareholders.

SALES COMPENSATION

     As part of its  plan for  distributing  shares,  the  Fund and Lord  Abbett
     Distributor pay sales and service  compensation to Authorized  Institutions
     that sell the Fund's  shares and service its  shareholder  accounts.  Sales
     compensation  originates from two sources,  as shown in the table "Fees and
     Expenses": sales charges which are paid directly by shareholders; and 12b-1
     distribution


6  |  Your Investment

<PAGE>


     fees that are paid out of the Fund's assets. Service compensation
     originates from 12b-1 service fees. The total 12b-1 fees payable with
     respect to each share class are up to .35% of Class A shares (plus
     distribution fees of up to 1.00% on certain qualifying purchases), 1.00% of
     Class B and C shares, and .45% of Class P shares. The amounts payable as
     compensation to Authorized Institutions, such as your dealer, are shown in
     the chart at the end of this prospectus. The portion of such compensation
     paid to Lord Abbett Distributor is discussed under "Sales Activities" and
     "Service Activities." Sometimes we do not pay compensation where tracking
     data is not available for certain accounts or where the Authorized
     Institution waives part of the compensation. In such cases, we may not
     require payment of any otherwise applicable CDSC.

     We may pay Additional Concessions to Authorized Institutions from time to
     time. SALES ACTIVITIES. We may use 12b-1 distribution fees to pay
     Authorized Institutions to finance any activity which is primarily intended
     to result in the sale of shares. Lord Abbett Distributor uses its portion
     of the distribution fees attributable to the Fund's Class A and Class C
     shares for activities which are primarily intended to result in the sale of
     such Class A and Class C shares, respectively. These activities include,
     but are not limited to, printing of prospectuses and statements of
     additional information and reports for other than existing shareholders,
     preparation and distribution of advertising and sales material, expenses of
     organizing and conducting sales seminars, Additional Concessions to
     Authorized Institutions, the cost necessary to provide distribution-related
     services or personnel, travel, office expenses, equipment and other
     allocable overhead. SERVICE ACTIVITIES. We may pay 12b-1 service fees to
     Authorized Institutions for any activity which is primarily intended to
     result in personal service and/or the maintenance of shareholder accounts.
     Any portion of the service fees paid to Lord Abbett Distributor will be
     used to service and maintain shareholder accounts.

OPENING YOUR ACCOUNT
     MINIMUM INITIAL INVESTMENT

     o Regular Account                                                   $250
--------------------------------------------------------------------------------
     o Individual Retirement Accounts and
       403(b) Plans under the Internal Revenue Code                      $250
--------------------------------------------------------------------------------
     o Uniform Gift to Minor Account                                     $250
--------------------------------------------------------------------------------
     o Invest-A-Matic                                                    $250
--------------------------------------------------------------------------------
     For  Retirement  Plans  and  Mutual  Fund Fee  Based  Programs  no  minimum
     investment is required, regardless of share class.

     You may purchase shares through any independent securities dealer who has a
     sales  agreement  with  Lord  Abbett  Distributor  or you can  fill out the
     attached  application  and send it to the Fund at the address stated below.
     You should carefully read the paragraph below entitled "Proper Form" before
     placing your order to ensure that your order will be accepted.

     LORD ABBETT DELTA FUND
     P.O. Box 219100
     Kansas City, MO 64121

     PROPER FORM. An order  submitted  directly to the Fund must contain:  (1) a
     completed application, and (2) payment by check. When purchases are made by
     check,  redemption  proceeds  will not be paid  until the Fund or  transfer
     agent is  advised  that the  check  has


                                                             Your Investment | 7

<PAGE>


     cleared, which may take up to 15 calendar days. For more information call
     the Fund at 800-821-5129.

     BY EXCHANGE. Telephone the Fund at 800-821-5129 to request an exchange from
     any eligible Lord Abbett-sponsored fund.


REDEMPTIONS

     BY BROKER. Call your investment professional for instructions on how to
     redeem your shares.

     BY TELEPHONE. To obtain the proceeds of a redemption of $50,000 or less
     from your account, you or your representative should call the Fund at
     800-821-5129.

     BY MAIL.  Submit a written  redemption  request  indicating  the name(s) in
     which the account is registered, the Fund's name, the class of shares, your
     account number, and the dollar value or number of shares you wish to sell.

     Include all necessary signatures. If the signer has any Legal Capacity, the
     signature and capacity must be guaranteed by an Eligible Guarantor. Certain
     other legal documentation may be required. For more information regarding
     proper documentation call 800-821-5129.

     Normally a check will be mailed to the name(s) and address in which the
     account is registered (or otherwise according to your instruction) within
     three business days after receipt of your redemption request. Your account
     balance must be sufficient to cover the amount being redeemed or your
     redemption order will not be processed. Under unusual circumstances, the
     Fund may suspend redemptions, or postpone payment for more than seven days,
     as permitted by federal securities laws.

     To determine if a CDSC applies to a redemption, see "Class A share CDSC,"
     "Class B share CDSC" or "Class C share CDSC."

DISTRIBUTIONS AND TAXES

     The Fund expects to pay its shareholders dividends from its net investment
     income and distribute its net capital gains (if any) as "capital gains
     distributions," on an annual basis. Your distributions will be reinvested
     in the Fund unless you instruct the Fund to pay them to you in cash. There
     are no sales charges on such reinvestments. The tax status of distributions
     is the same for all shareholders regardless of how long they have owned
     Fund shares or whether distributions are reinvested or paid in cash.

     Except in tax-advantaged accounts, any sale, redemption or exchange of Fund
     shares may be taxable to the shareholder.

     Information on the tax treatment of distributions, including the source of
     dividends and distributions of capital gains by the Fund, will be mailed to
     shareholders each year. Because everyone's tax situation is unique, you
     should consult your tax adviser regarding the treatment of distributions
     under the federal, state and local tax rules that apply to you, as well as
     the tax consequences of gains or losses from the redemption or exchange of
     your shares.

          EXCHANGE LIMITATIONS. Exchanges should not be used to try to take
          advantage of short-term swings in the market. Frequent exchanges
          create higher expenses for the Fund. Accordingly, the Fund reserves
          the right to limit or terminate this privilege for any shareholder
          making frequent exchanges or abusing the privilege. The Fund also may
          revoke the privilege for all shareholders upon 60 days' written
          notice.

          SMALL ACCOUNTS. Our Board may authorize closing any account in which
          there are fewer than 25 shares if it is in the Fund's best interest to
          do so.

          ELIGIBLE GUARANTOR is any broker or bank that is a member of the
          medallion stamp program. Most major securities FIRMS AND BANKS ARE
          MEMBERS OF THIS PROGRAM. A NOTARY PUBLIC IS NOT AN ELIGIBLE GUARANTOR.


8 | Your Investment


<PAGE>

SERVICES FOR FUND INVESTORS
AUTOMATIC SERVICES

     Buying or selling shares automatically is easy with the services described
     below. With each service, you select a schedule and amount, subject to
     certain restrictions. You may set up most of these services when filling
     out your application or by calling 800-821-5129.

--------------------------------------------------------------------------------
For Investing

INVEST-A-MATIC
(Dollar-cost
averaging)

You may make fixed, periodic investments ($50 minimum) into your Fund account by
means of automatic money transfers from your bank checking account. See the
attached application for instructions.

DIV-MOVE
You may automatically reinvest the dividends and distributions from your account
into another account in any Eligible Fund ($50 minimum).

For selling shares

SYSTEMATIC
WITHDRAWAL
PLAN ("SWP")

You can make regular withdrawals from most Lord Abbett Funds. Automatic cash
withdrawals will be paid to you from your account in fixed or variable
amounts. To establish a plan, the value of your shares must be at least $10,000,
except for Retirement Plans for which there is no minimum. Your shares must be
in non-certificate form.


CLASS B SHARES

The CDSC will be waived on redemptions of up to 12% of the current net
asset value of your account at the time of your SWPrequest. For Class B share
redemptions over 12% per year, the CDSC will apply to the entire redemption.
Please contact the Fund for assistance in minimizing the CDSC in this situation.


CLASS B AND
C SHARES

Redemption proceeds due to a SWP for Class B and Class C shares will be redeemed
in the order described under "CDSC" under "Purchases."
--------------------------------------------------------------------------------


OTHER SERVICES

     TELEPHONE INVESTING. After we have received the attached application
     (selecting "yes" under Section 8C and completing Section 7), you may
     instruct us by phone to have money transferred from your bank account to
     purchase shares of the Fund for an existing account. The Fund will purchase
     the requested shares when it receives the money from your bank.

     EXCHANGES. You or your investment professional may instruct the Fund to
     exchange shares of any class for shares of the same class of any Eligible
     Fund. Instruction may be provided in writing or by telephone, with proper
     identification, by calling 800-821-5129. The Fund must receive instructions
     for the exchange before the close of the NYSE on the day of your call in
     which case you will get the NAV per share of the Eligible Fund determined
     on that day. Exchanges will be treated as a sale for federal tax purposes.
     Be sure to read the current prospectus for any fund into which you are
     exchanging.

     REINVESTMENT PRIVILEGE. If you sell shares of the Fund, you have a one-time
     right to reinvest some or all of the proceeds in the same class of any
     Eligible Fund within 60 days without a sales charge. If you paid a CDSC
     when you sold your shares, you will be credited with the amount of the
     CDSC. All accounts involved must have the same registration.

     ACCOUNT STATEMENTS. Every Lord Abbett investor automatically receives
     quarterly account statements.

     HOUSEHOLDING. Shareholders with the same last name and address will receive
     a single copy of a prospectus and an annual and semi-annual report, unless
     additional reports are specifically requested in writing to the Fund.


               TELEPHONE TRANSACTIONS. You have this privilege unless you refuse
               it in writing. For your security, telephone transaction requests
               are recorded. We will take measures to verify the identity of the
               caller, such as asking for your name, account number, social
               security or taxpayer identification number and other relevant
               information. The Fund will not be liable for following
               instructions communicated by telephone that it reasonably
               believes to be genuine.

               Transactions by telephone may be difficult to implement in times
               of drastic economic or market change.


                                                            Your Investment  | 9

<PAGE>

     ACCOUNT CHANGES. For any changes you need to make to your account, consult
     your investment professional or call the Fund at 800-821-5129.

     SYSTEMATIC EXCHANGE. You or your investment professional can establish a
     schedule of exchanges between the same classes of any Eligible Fund.


MANAGEMENT

     The Fund's investment adviser is Lord, Abbett & Co., located at 90 Hudson
     St., Jersey City, NJ 07302-3973. Founded in 1929, Lord Abbett manages one
     of the nation's oldest mutual fund complexes, with approximately $33
     billion in more than 40 mutual fund portfolios and other advisory accounts.
     For more information about the services Lord Abbett provides to the Fund,
     see the Statement of Additional Information.
     Lord Abbett is entitled to a monthly fee based on the Fund's average daily
     net assets.
     The fee is calculated and payable monthly. In addition, the Fund pays all
     expenses not expressly assumed by Lord Abbett.

     INVESTMENT MANAGERS. Lord Abbett uses a team of investment managers and
     analysts acting together to manage the Fund's investments.

     (INFORMATION ON TEAM MEMBERS AND THEIR BACKGROUNDS
     TO BE SUPPLIED)


10 | Your Investment

<PAGE>

                                           FOR MORE INFORMATION


OTHER INVESTMENT TECHNIQUES

     This section describes some of the investment techniques that might be used
     by the Fund and their risks.

     ADJUSTING INVESTMENT EXPOSURE. The Fund may, but is not required to, use
     various strategies to change its investment exposure to adjust to changing
     security prices, interest rates, currency exchange rates, commodity prices
     and other factors. The Fund may use these transactions to change the risk
     and return characteristics of the Fund's portfolio. If we judge market
     conditions incorrectly or use a strategy that does not correlate well with
     the Fund's investments, it could result in a loss, even if we intended to
     lessen risk or enhance returns. These transactions may involve a small
     investment of cash compared to the magnitude of the risk assumed and could
     produce disproportionate gains or losses.

     FOREIGN SECURITIES. The Fund may invest up to 10% of its net assets in
     foreign securities which are primarily traded outside the United States.
     Foreign markets may not be subject to the same degree of regulation as U.S.
     markets. Securities clearance, settlement procedures and trading practices
     may be different, and transaction costs higher, in foreign countries. There
     may be less trading volume and liquidity in foreign markets, subjecting the
     securities traded in them to higher price fluctuations. Foreign investments
     also may be affected by changes in currency rates or currency controls.

     FUTURES CONTRACTS AND OPTIONS ON FUTURES CONTRACTS. The Fund may enter into
     financial futures contracts and related options transactions for bona fide
     hedging purposes or to pursue risk management strategies. These
     transactions involve the purchase or sale of a contract to buy or sell a
     specified financial instrument at a specific future date and price on an
     exchange or in over the counter market ("OTC"). The Fund may not purchase
     or sell futures contracts, options on futures contracts or options on
     currencies traded on a CFTC-regulated exchange for non-bona fide hedging
     purposes if the aggregated initial margin and premiums required to
     establish such positions would exceed 5% of the liquidation value of the
     Fund's portfolio, after taking into account unrealized profits and losses
     on any such contracts it has entered into, after taking into account
     unrealized profits and unrealized losses on any such contracts it has
     entered into.

     OPTIONS TRANSACTIONS. The Fund may purchase and write put and call options
     on equity securities that are traded on national securities exchanges.The
     Fund will not purchase an option if, as a result of such purchase, more
     than 10% of its total assets would be invested in premiums for such
     options. The Fund may only sell (write) covered put options to the extent
     that cover for such options does not exceed 15% of its net assets. The Fund
     may only sell (write) covered call options. Having an aggregate market
     value of less than 25% of its total assets.

     RISKS OF FUTURES CONTRACTS AND OPTIONS TRANSACTIONS. The Fund's
     transactions, if any, in futures, options on futures and other options
     involve additional risk of loss. Loss may result from a lack of correlation
     between changes in the value of these derivative instruments and the Fund's
     assets being hedged, the potential illiquidity of the markets for
     derivative instruments, or the risks arising from margin requirements and
     related leverage factors associated with such transactions. The use of
     these investment techniques


                                                       For More Information | 11

<PAGE>


     also involves the risk of loss if Lord Abbett is incorrect in its
     expectation of fluctuations in securities prices. In addition, the loss
     that may be incurred by the Fund in entering into futures contracts and in
     writing call options is potentially unlimited and may exceed the amount of
     any premium received.


GLOSSARY OF SHADED TERMS

     ADDITIONAL CONCESSIONS. Lord Abbett Distributor may, for specified periods,
     allow dealers to retain the full sales charge for sales of shares or may
     pay an additional concession to a dealer who sells a minimum dollar amount
     of our shares and/or shares of other Lord Abbett-sponsored funds. In some
     instances, such additional concessions will be offered only to certain
     dealers expected to sell significant amounts of shares. Additional payments
     may be paid from Lord Abbett Distributor's own resources or from
     distribution fees received from a fund and will be made in the form of cash
     or, if permitted, non-cash payments. The non-cash payments will include
     business seminars at Lord Abbett's headquarters or other locations,
     including meals and entertainment, or the receipt of merchandise. The cash
     payments may include payment of various business expenses of the dealer. In
     selecting dealers to execute portfolio transactions for the Fund's
     portfolio, if two or more dealers are considered capable of obtaining best
     execution, we may prefer the dealer who has sold our shares and/or shares
     of other Lord Abbett-sponsored funds.

     AUTHORIZED INSTITUTIONS. Institutions and persons permitted by law to
     receive service and/or distribution fees under a Rule 12b-1 Plan are
     "Authorized Institutions." Lord Abbett Distributor is an Authorized
     Institution.

     ELIGIBLE FUND. An Eligible Fund is any Lord Abbett-sponsored fund except
     for (1) certain tax-free, single-state funds where the exchanging
     shareholder is a resident of a state in which such a Fund is not offered
     for sale; (2) Lord Abbett Series Fund; (3) Lord Abbett U.S. Government
     Securities Money Market Fund ("GSMMF") (except for holdings in GSMMF which
     are attributable to any shares exchanged from the Lord Abbett Family of
     Funds). An Eligible Fund also is any Authorized Institution's affiliated
     money market fund satisfying Lord Abbett Distributor as to certain omnibus
     account and other criteria.

     ELIGIBLE MANDATORY DISTRIBUTIONS. If Class B shares represent a part of an
     individual's total IRA or 403(b) investment, the CDSC will be waived only
     for that part of a manda-tory distribution which bears the same relation to
     the entire mandatory distribution as the Class B share investment bears to
     the total investment.

     LEGAL CAPACITY. With respect to a redemption request, if (for example) the
     request is on behalf of the estate of a deceased shareholder, John W. Doe,
     by a person (Robert A. Doe) who has the legal capacity to act for the
     estate of the deceased shareholder because he is the executor of the
     estate, then the request must be executed as follows: Robert A.Doe,
     Executor of the Estate of John W. Doe. That signature using that capacity
     must be guaranteed by an Eligible Guarantor. Similarly, if (for example)
     the redemption request is on behalf of the ABC Corporation by a person
     (Mary B. Doe) that has the legal capacity to act on behalf of this
     corporation, because she is the President of the corporation, then the
     request must be executed as follows: ABC Corporation by Mary B.Doe,
     President. That signature using that capacity must be guaranteed by an
     Eligible Guarantor (see example in right column, on the prior page).

     MUTUAL FUND FEE BASED PROGRAM. Certain unaffiliated authorized brokers,
     dealers, registered investment advisers or other financial institutions
     ("entities") who either (1)

12 | For Your Information

<PAGE>

     have an arrangement with Lord Abbett Distributor in accordance with certain
     standards approved by Lord Abbett Distributor, providing specifically for
     the use of our shares (and sometimes providing for acceptance of orders for
     such shares on our behalf) in particular investment products made available
     for a fee to clients of such entities, or (2) charge an advisory,
     consulting or other fee for their services and buy shares for their own
     accounts or the accounts of their clients.

     PURCHASER. The term "purchaser" includes: (1) an individual,(2) an
     individual and his or her spouse and children under the age of 21, and (3)
     a trustee or other fiduciary purchasing shares for a single trust estate or
     single fiduciary account (including a pension, profit-sharing, or other
     employee benefit trust qualified under Section 401 of the Internal Revenue
     Code - more than one qualified employee benefit trust of a single employer,
     including its consolidated subsidiaries, may be considered a single trust,
     as may qualified plans of multiple employers registered in the name of a
     single bank trustee as one account), although more than one beneficiary is
     involved.

     SPECIAL RETIREMENT WRAP PROGRAM. A program sponsored by an Authorized
     Institution showing one or more characteristics distinguishing it, in the
     opinion of Lord Abbett Distributor, from a Mutual Fund Fee Based Program.
     Such characteristics include, among other things, the fact that an
     Authorized Institution does not charge its clients any fee of a consulting
     or advisory nature that is economically equivalent to the distribution fee
     under the Class A 12b-1 Plan and the fact that the program relates to
     participant-directed Retirement Plans.

GUARANTEED SIGNATURE. An acceptable form of guarantee would be as follows:

  In the case of the estate --

    Robert A. Doe
    Executor of the Estate of
    John W. Doe

    [Date]

             SIGNATURE GUARANTEED
             MEDALLION GUARANTEED
              NAME OF GUARANTOR

            [SIGNATURE ILLEGIBLE]
--------------------------------------------------
                            AUTHORIZED SIGNATURE
(960)                            X 9 6 0 3 4 7 0
SECURITIES TRANSFER AGENTS MEDALLION PROGRAM'sm'
                                              SR

  In the case of the corporation --
  ABC Corporation

    Mary B. Doe

    By Mary B. Doe, President

    [Date]

             SIGNATURE GUARANTEED
             MEDALLION GUARANTEED
              NAME OF GUARANTOR

            [SIGNATURE ILLEGIBLE]
--------------------------------------------------
                            AUTHORIZED SIGNATURE
(960)                            X 9 6 0 3 4 7 0
SECURITIES TRANSFER AGENTS MEDALLION PROGRAM'sm'
                                              SR

                                                       For More Information | 13

<PAGE>


                             FINANCIAL INFORMATION



COMPENSATION FOR YOUR DEALER
<TABLE>
<CAPTION>
====================================================================================================================================
                                                        FIRST YEAR COMPENSATION
                                     Front-end
                                     sales charge           Dealer's
                                     paid by investors      concession             Service fee(1)        Total compensation(2)
Class A investments                  (% of offering price)  (% of offering price)  (% of net investment) (% of offering price)
====================================================================================================================================
<S>                                      <C>                     <C>                   <C>                    <C>
Less than $50,000                        5.75%                   5.00%                 0.25%                  5.24%
====================================================================================================================================
$50,000 - $99,999                        4.75%                   4.00%                 0.25%                  4.24%
====================================================================================================================================
$100,000 - $249,999                      3.95%                   3.25%                 0.25%                  3.49%
====================================================================================================================================
$250,000 - $499,999                      2.75%                   2.25%                 0.25%                  2.49%
====================================================================================================================================
$500,000 - $999,999                      1.95%                   1.75%                 0.25%                  2.00%
====================================================================================================================================
$1 million or more(3) or Retirement Plan - 100 or more eligible employees(3) or
Special Retirement Wrap Program(3)
====================================================================================================================================
First $5 million                 no front-end sales charge       1.00%                 0.25%                  1.25%
====================================================================================================================================
Next $5 million above that       no front-end sales charge       0.55%                 0.25%                  0.80%
====================================================================================================================================
Next $40 million above that      no front-end sales charge       0.50%                 0.25%                  0.75%
====================================================================================================================================
Over $50 million                 no front-end sales charge       0.25%                 0.25%                  0.50%
Class B investments(4)                                            Paid at time of sale (% of net asset value)
------------------------------------------------------------------------------------------------------------------------------------
All amounts                      no front-end sales charge       3.75%                 0.25%                  4.00%
Class C investments(4)
------------------------------------------------------------------------------------------------------------------------------------
All amounts                      no front-end sales charge       0.75%                 0.25%                  1.00%
Class P investments                                               Percentage of average net assets
------------------------------------------------------------------------------------------------------------------------------------
All amounts                      no front-end sales charge       0.25%                 0.20%                  0.45%
====================================================================================================================================


====================================================================================================================================
                                                 ANNUAL COMPENSATION AFTER FIRST YEAR

Class A investments                                               Percentage of average net assets(5)
------------------------------------------------------------------------------------------------------------------------------------
All amounts                      no front-end sales charge       none                  0.25%                  0.25%
------------------------------------------------------------------------------------------------------------------------------------
Class B investments(4)
------------------------------------------------------------------------------------------------------------------------------------
All amounts                      no front-end sales charge       none                  0.25%                  0.25%
------------------------------------------------------------------------------------------------------------------------------------
Class C investments(4)
------------------------------------------------------------------------------------------------------------------------------------
All amounts                      no front-end sales charge       0.75%                 0.25%                  1.00%
------------------------------------------------------------------------------------------------------------------------------------
Class P investments
------------------------------------------------------------------------------------------------------------------------------------
All amounts                      no front-end sales charge       0.25%                 0.20%                  0.45%
====================================================================================================================================
</TABLE>

(1)  The service fees for Class A and P shares are paid quarterly. The first
     year's service fees on Class B and C shares are paid at the time of sale.
(2)  Reallowance/concession percentages and service fee percentages are
     calculated from different amounts, and therefore may not equal total
     compensation percentages if combined using simple addition. Additional
     Concessions may be paid to Authorized Institutions, such as your dealer,
     from time to time.
(3)  Concessions are paid at the time of sale on all Class A shares sold during
     any 12-month period starting from the day of the first net asset value
     sale. With respect to (a) Class A share purchases at $1 million or more,
     sales qualifying at such level under rights of accumulation and Letter of
     Intention privileges are included and (b) for Special Retirement Wrap
     Programs, only new sales are eligible and exchanges into the Fund are
     excluded. Certain purchases of Class A shares are subject to a CDSC.
(4)  Class B and C shares are subject to CDSCs.
(5)  With respect to Class B, C and P shares, 0.25%, 1.00% and 0.45%,
     respectively, of the average annual net asset value of such shares
     outstanding during the quarter (including distribution reinvestment shares
     after the first anniversary of their issuance) is paid to Authorized
     Institutions, such as your dealer. These fees are paid quarterly in
     arrears.

14 | Financial Information

<PAGE>



                      [THIS PAGE INTENTIONALLY LEFT BLANK]



<PAGE>



                      [THIS PAGE INTENTIONALLY LEFT BLANK]



<PAGE>



     More information on the Fund is available free upon request,  including the
     following:

ANNUAL/SEMI-ANNUAL REPORT

     Describes the Fund, lists portfolio holdings and contains a letter from the
     Fund's  manager   discussing   recent  market  conditions  and  the  Fund's
     investment strategies.

STATEMENT OF ADDITIONAL INFORMATION ("SAI")
     Provides more details about the Fund and its policies.  A current SAI is on
     file  with  the   Securities  and  Exchange   Commission   ("SEC")  and  is
     incorporated by reference (is legally considered part of this prospectus).



To obtain information:

By telephone.  Call the Fund at:
800-426-1130

By mail.  Write to the Fund at:
The Lord Abbett Family of Funds
90 Hudson Street
Jersey City, NJ 07302-3973

Via the Internet.
Lord, Abbett & Co.

www.lordabbett.com
Text only versions of Fund documents
can be viewed online or
downloaded from:

SEC

www.sec.gov

You can also obtain copies by
visiting the SEC's Public Reference Room in Washington, DC (phone
202-942-8090) or by sending your request and a duplicating fee to
the SEC's Public Reference Section, Washington, DC 20549-6009 or by sending your
request electronically to [email protected].






     Lord Abbett Delta Fund

     90 Hudson Street                                           LAD-1-900
     Jersey City, NJ 07302-3973                                 (10/00)
--------------------------------------------------------------------------------
     SEC file number: 811-?





<PAGE>


LORD ABBETT

Statement of Additional Information                          December    , 2000

                                   LORD ABBETT
                                   Delta Fund


This Statement of Additional  Information is not a Prospectus.  A Prospectus may
be obtained  from your  securities  dealer or from Lord Abbett  Distributor  LLC
("Lord Abbett  Distributor") at 90 Hudson St., Jersey City, NJ 07302-3973.  This
Statement  of  Additional   Information  relates  to,  and  should  be  read  in
conjunction with, the Prospectus dated December , 2000.

Shareholder  inquiries  should  be made by  directly  contacting  the Fund or by
calling 800-821-5129. In addition, you can make inquiries through your dealer.


             TABLE OF CONTENTS                                    PAGE

      1.       Fund History                                         2
      2.       Investment Policies                                  2
      3.       Management of the Fund                               7
      4.       Control Persons and Principal Holders of Securities  10
      5.       Investment Advisory and Other Services               10
      6.       Brokerage Allocations and Other Practices            11
      7.       Capital Stock & Other Securities                     12
      8.       Purchase, Redemption & Pricing                       17
      9.       Taxation of the Fund                                 20
      10.      Underwriter                                          21
      11.      Performance                                          21
      12.      Financial Statements                                 22




<PAGE>


                                       1.
                                  Fund History

The Lord Abbett Delta Fund (the  "Fund") is a  diversified  open-end  management
investment  company  registered  under the  Investment  Company Act of 1940,  as
amended (the "Act").  The Fund was formed as a business trust under Delaware law
on October 2, 2000.  The Fund offers five  classes of shares:  Class A, Class B,
Class C, Class P, and Class Y. Only the Fund's  Class A, B, C, and P are offered
in this Statement of Additional Information.


                                       2.
                               Investment Policies

Fundamental  Investment  Restrictions.  The  Fund is  subject  to the  following
fundamental investment restrictions, which cannot be changed without approval of
a majority of the Fund's outstanding shares.

The Fund may not:

     (1)  borrow  money,   issue  senior  securities  or  mortgage,   pledge  or
          hypothecate its assets except to the extent permitted under the Act;

     (2)  engage in the  underwriting of securities,  except to the extent that,
          in connection with the  disposition of its portfolio  securities or as
          otherwise  permitted  under  applicable law, it may be deemed to be an
          underwriter under federal securities laws;

     (3)  invest  more  than  25%  of  the  value  of its  total  assets  in the
          securities   of  issuers  in  any   particular   industry   (excluding
          obligations  issued or guaranteed by the U.S.  Government,  any state,
          territory or possession of the United States, the District of Columbia
          or any of their authorities, agencies,  instrumentalities or political
          subdivisions);

     (4)  buy or sell real estate (except that the Fund may invest in securities
          directly or indirectly  secured by real estate or interests therein or
          issued by companies which invest in real estate or interests  therein)
          or commodities or commodity  contracts  (except to the extent the Fund
          may do so in accordance with applicable law and without registering as
          a commodity  pool operator  under the  Commodity  Exchange Act as, for
          example, with futures contracts);

     (5)  make  loans,  except that the  acquisition  of or  investment  in debt
          securities,  repurchase agreements or similar instruments shall not be
          subject to this restriction, and except further that the Fund may lend
          its  portfolio  securities,  provided  that the  lending of  portfolio
          securities may be made only in accordance with applicable law; and

     (6)  with respect to 75% of the value of the total assets of the Fund,  (i)
          buy  securities  of any one  issuer  representing  more than 5% of the
          value of its total assets,  except  securities issued or guaranteed by
          the U.S.  Government,  its agencies or  instrumentalities  or (ii) own
          more than 10% of the voting securities of such issuer.


Compliance with the investment restrictions above will be determined at the time
of purchase or sale of the portfolio.

                                       2

<PAGE>
Non-Fundamental  Investment  Restrictions.  In addition  to the  policies in the
Prospectus and the investment restrictions above which cannot be changed without
shareholder  approval,  the Fund is  subject  to the  following  non-fundamental
investment  policies  which  may be  changed  by the Board of  Trustees  without
shareholder approval.

The Fund may not:

     (1)  make short sales of securities or maintain a short position  except to
          the extent permitted by applicable law;

     (2)  invest  knowingly  more  than  15% of its net  assets  (at the time of
          investment) in illiquid securities,  except for securities  qualifying
          for resale under Rule 144A of the Securities Act of 1933 ("Rule 144A")
          deemed to be liquid by the Board of Trustees;

     (3)  invest in the securities of other  investment  companies as defined in
          the Act, except as permitted by applicable law;

     (4)  write,   purchase  or  sell  puts,   calls,   straddles,   spreads  or
          combinations  thereof,  except to the extent  permitted  in the Fund's
          Prospectus  and  statement of additional  information,  as they may be
          amended from time to time; and

     (5)  buy from or sell to any of the Fund's officers,  trustees,  employees,
          or its  investment  adviser  any  securities  other than shares of the
          Fund.


Additional  Information on Portfolio  Risks,  Investments  and  Techniques.  The
following  sections provide further  information on certain types of investments
and  investment  techniques  that  may be  used  by the  Fund,  including  their
associated risks.

Borrowings.  The Fund may borrow money for temporary or emergency  purposes from
banks and other financial institutions in amounts not exceeding one-third of its
total assets.

Convertible   Securities.   The  Fund  may  invest  in  convertible  securities.
Convertible  securities  are  preferred  stocks  or debt  obligations  that  are
convertible  into common stock.  They generally offer lower interest or dividend
yields  than   non-convertible   securities  of  similar  quality.   Convertible
securities  have both  equity and fixed  income risk  characteristics.  Like all
fixed income securities,  the value of convertible  securities is susceptible to
the risk of market losses attributable to changes in interest rates.  Generally,
the market value of  convertible  securities  tends to decline as interest rates
increase and, conversely,  to increase as interest rates decline.  However, when
the market price of the common stock  underlying a convertible  security exceeds
the conversion price of the convertible security, the convertible security tends
to reflect the market price of the underlying  common stock. As the market price
of the underlying common stock declines, the convertible security,  like a fixed
income security, tends to trade increasingly on a yield basis, and thus, may not
decline in price to the same extent as the underlying common stock.

Depository  Receipts.  The Fund may invest in sponsored and unsponsored American
Depository Receipts ("ADRs") and similar depository  receipts.  ADRs,  typically
issued by a financial institution (a "depository"), evidence ownership interests
in a security or a pool of securities  issued by a foreign  issuer and deposited
with the  depository.  Prices of ADRs are quoted in U.S.  dollars,  and ADRs are
traded in the United States.

Equity Securities. As stated in the Prospectus, under normal circumstances,  the
Fund  invests  at least 65% of its total  assets  in  equity  securities.  These
include common stocks, preferred stocks, convertible securities, warrants, stock
purchase rights, and similar instruments.  Common and preferred stocks represent
an ownership  interest in a corporation.  In general,  stock values fluctuate in
response to the  activities of  individual  companies and in response to general
market and economic  conditions.  Accordingly,  the value of the stocks that the
Fund holds may decline over short or extended periods. The stock markets tend to
be cyclical,  with periods of generally rising stock prices and other periods of
generally  declining prices.  The volatility of equity securities means that the
value of an  investment  in the Fund may  increase or  decrease.  As of the date
hereof,  certain  stock  markets were trading at or close to record high levels.
There can be no guarantee that such levels will continue.

                                       3

<PAGE>

Foreign  Securities.  The Fund may invest up to 10% of its net assets in foreign
securities  which are  primarily  traded  outside  the  United  States.  Foreign
investments  involve  special risks that are not typically  associated with U.S.
dollar denominated or quoted securities of U.S. issuers. Foreign investments may
be  affected by changes in currency  rates,  changes in foreign or U.S.  laws or
restrictions  applicable  to such  investments  and changes in exchange  control
regulations  (i.e.,  currency  blockage).  A decline in the exchange rate of the
currency (i.e.,  weakening of the currency  against the U.S.  dollar) in which a
portfolio  security is quoted or denominated  relative to the U.S.  dollar would
reduce the value of the portfolio security.

Brokerage commissions, custodial services and other costs relating to investment
in  international  securities  markets  generally are more expensive than in the
United States.  Clearance and settlement  procedures may be different in foreign
countries and, in certain markets, such procedures have been unable to keep pace
with the volume of securities transactions,  thus making it difficult to conduct
such transactions.

Foreign issuers are not generally  subject to uniform  accounting,  auditing and
financial  reporting  standards  comparable to those applicable to U.S. issuers.
There may be less publicly  available  information  about a foreign  issuer than
about a U.S. issuer. In addition,  there is generally less government regulation
of foreign markets,  companies and securities dealers than in the United States.
Foreign  securities  markets  may  have  substantially  less  volume  than  U.S.
securities  markets and  securities of many foreign  issuers are less liquid and
more volatile than securities of comparable domestic issuers.  The Fund may hold
foreign  securities which trade on days when the Fund does not sell shares. As a
result,  the value of the  Fund's  portfolio  securities  may  change on days an
investor  may not be able to  purchase or redeem Fund  shares.  With  respect to
certain  foreign   countries,   there  is  a  possibility  of   nationalization,
expropriation or confiscatory taxation, imposition of withholding or other taxes
on dividend or interest payments (or, in some cases, capital gains), limitations
on the removal of funds or other  assets of the Fund,  and  political  or social
instability or diplomatic  developments  which could affect investments in those
countries.

Futures  Contracts  and  Options  on  Futures  Contracts.  Although  the Fund is
authorized  to  engage  in  futures  and  options  on  futures  transactions  in
accordance  with its  investment  objective  and  policies,  it currently has no
intention to do so.

Futures  contracts are standardized  exchange-traded  contracts that provide for
the sale or purchase of a specified  financial  instrument at a future time at a
specified  price. An option on a futures  contract gives the purchaser the right
(and the writer of the option the  obligation) to assume a position in a futures
contract at a specified  exercise  price within a specified  period of time.  In
addition to incurring fees in connection  with futures and options,  an investor
is required to maintain margin deposits.  At the time of entering into a futures
transaction or writing an option, an investor is required to deposit,  on behalf
of the broker, a specified amount of cash or eligible securities called "initial
margin."  The  required  initial  margin  is set by the  exchange  on which  the
contract  is traded  although  the  broker  can  require  an  increased  amount.
Subsequent payments,  called "variation margin," to and from the broker are made
on a  daily  basis  as the  market  price  of the  futures  contract  or  option
fluctuates.

The Fund may purchase and sell  futures  contracts,  and purchase and write call
and put options on futures contracts, for bona fide hedging purposes,  including
to hedge against changes in interest rates,  securities prices, or to the extent
the Fund invests in foreign securities,  currency exchange rates, or in order to
pursue risk  management  strategies,  including  gaining  efficient  exposure to
markets and minimizing  transaction  costs. The Fund may also enter into closing
purchase and sale transactions  with respect to such contracts and options.  The
Fund may not purchase or sell futures contracts, options on futures contracts or
options on  currencies  traded on a  CFTC-regulated  exchange for non-bona  fide
hedging  purposes if the  aggregated  initial  margin and  premiums  required to
establish such positions would exceed 5% of the liquidation  value of the Fund's
portfolio,  after taking into account  unrealized profits and losses on any such
contracts it has entered into, after taking into account  unrealized profits and
unrealized losses on any such contracts it has entered into.

Futures contracts and options on futures contracts present the following risks:

     o    While  the  Fund  may  benefit  from the use of  futures  and  related
          options, unanticipated changes in interest rates, securities prices or
          currency exchange rates may result in poorer overall  performance than
          if the Fund  had not  entered  into any  futures  or  related  options
          transaction.



                                       4
<PAGE>

     o    Because perfect correlation between a futures position and a portfolio
          position  that is intended to be protected is  impossible  to achieve,
          the desired protection may not be obtained and the Fund may be exposed
          to additional risk of loss.

     o    The loss that the Fund may incur in entering  into  futures  contracts
          and in writing call options on futures is  potentially  unlimited  and
          may exceed the amount of the premium received.

     o    Futures  markets  are  highly  volatile  and  the use of  futures  may
          increase the volatility of the Fund's NAV.

     o    As a result of the low margin  deposits  normally  required in futures
          and options on futures trading, a relatively small price movement in a
          contract may result in substantial losses to the Fund.

     o    Futures  contracts and related options may be illiquid,  and exchanges
          may limit fluctuations in futures contract prices during a single day.

Illiquid Securities. The Fund may invest up to 15% of its net assets in illiquid
securities,  which cannot be disposed of in seven days in the ordinary course of
business at fair value. Illiquid securities include:

     o    Domestic and foreign securities that are not readily marketable.

     o    Repurchase agreements and time deposits with a notice or demand period
          of more than seven days.

     o    Certain  restricted  securities,  unless  the  Board of  Trustees  has
          determined,  based upon a review of the trading markets for a specific
          restricted  security,  that such  restricted  security is eligible for
          resale  pursuant to Rule 144A under the  Securities Act of 1933 ("144A
          Securities") and, therefore, is liquid.

Securities may be resold to a qualified institutional buyer without registration
and without regard to whether the seller  originally  purchased the security for
investment.  Investing in 144A  Securities  may  decrease  the  liquidity of the
Fund's portfolio to the extent that qualified  institutional buyers become for a
time  uninterested  in  purchasing  these  securities.  The  purchase  price and
subsequent  valuation of restricted and illiquid  securities  normally reflect a
discount,  which  may be  significant,  from  the  market  price  of  comparable
securities for which a liquid market exists.

Investment  Companies.  The Fund may invest in  securities  of other  investment
companies  subject  to  limitations  prescribed  by the Act.  These  limitations
include a prohibition on the Fund acquiring more than 3% of the voting shares of
any other investment company, and a prohibition on investing more than 5% of the
Fund's total assets in securities of any one investment company or more than 10%
of its total assets in securities  of all  investment  companies.  The Fund will
indirectly  bear its  proportionate  share  of any  management  fees  and  other
expenses paid by the investment  companies in which it invests.  Such investment
companies   will  have   investment   objectives,   policies  and   restrictions
substantially  similar to those of the Fund and will be subject to substantially
the same risks.

Lending of Portfolio  Securities.  Although the Fund has no current intention of
doing so, it is  authorized  to engage in  securities  lending to  increase  its
income.  Securities lending involves the lending of securities owned by the Fund
to financial  institutions  such as certain  broker-dealers.  The  borrowers are
required to secure their loan  continuously  with cash, cash  equivalents,  U.S.
government  securities  or letters of credit in an amount at least  equal to the
market value of the securities  loaned.  Cash collateral may be invested in cash
equivalents.  To the extent that cash collateral is invested in other investment
securities,   such  collateral  will  be  subject  to  market   depreciation  or
appreciation,  and the Fund will be  responsible  for any loss that might result
from its investment of the borrowers' collateral.  The Fund may experience delay
in the recovery of its  securities  if the  borrowing  institution  breaches its
agreement  with the  Fund.  If the  investment  manager  decides  to  engage  in
securities loan transactions,  the value of the securities loaned may not exceed
one-third  of the value of the  total  assets  of the Fund  (including  the loan
collateral).

Options on Securities  Transactions.  The Fund may engage in option transactions
in accordance with its investment  objective and policies  although it currently
does not intend to do so. The Fund may  purchase  and write  (sell) put and call
options on equity securities that are traded on national  securities  exchanges.
The Fund will not purchase an option if, as a result of such purchase, more than
10% of its total assets would be invested in premiums for such options. The Fund
may write  (sell)  covered put options to the extent that cover for such options
does not exceed 15% of its net assets.  The Fund may write  (sell)  covered call
options having an aggregate market value of less than 25% of its net assets.

                                       5
<PAGE>

A put option gives the purchaser of the option the right to sell,  and obligates
the writer to buy, the  underlying  securities at the exercise price at any time
during the option period. A put option is covered when, among other things,  the
Fund  segregates  permissible  liquid  assets having a value equal to or greater
than the  exercise  price of the option to fulfill  the  obligation  undertaken.
Writing listed put options may be a useful  portfolio  investment  strategy when
the Fund has cash or other  reserves  available  for  investment  as a result of
sales of Fund shares or when the  investment  manager  believes a more defensive
and less fully invested position is desirable in light of market conditions.

A call option gives the  purchaser of the option the right to buy, and obligates
the writer to sell, the underlying  securities at the exercise price at any time
during the option  period.  When the Fund writes a covered call option,  it owns
the underlying  security or has an absolute and immediate  right to acquire that
security,  without additional cash consideration.  The Fund generally intends to
write listed covered call options during periods when it anticipates declines in
the market values of portfolio securities.

The  purchase  and  writing of options is a highly  specialized  activity  which
involves  special  investment  risks.   Options  may  be  used  for  hedging  or
cross-hedging purposes, or to seek to increase total return (which is considered
a speculative  activity).  The successful use of options  depends in part on the
ability of the investment  manager to manage future price  fluctuations  and the
degree of  correlation  between  the  options  and  securities  markets.  If the
investment  manager is incorrect in its  expectation of changes in market prices
or determination of the correlation  between the securities on which options are
based and the Fund's  portfolio  securities,  the Fund may incur  losses that it
would not  otherwise  incur.  The use of options  can also  increase  the Fund's
transaction costs.

Preferred  Stock,  Warrants and Rights.  The Fund may invest in preferred stock,
warrants and rights. Preferred stocks are securities that represent an ownership
interest  providing  the holder with claims on the issuer's  earnings and assets
before common  stockholders but after bond owners.  Unlike debt securities,  the
obligations  of an issuer  of  preferred  stock,  including  dividend  and other
payment  obligations,  may not typically be  accelerated  by the holders of such
preferred stock on the occurrence of an event of default or other non-compliance
by the issuer of the preferred stock.

Warrants  are  options  to buy a stated  number of  shares of common  stock at a
specified price at any time during the life of the warrant.  Rights  represent a
privilege  offered  to  holders  of  record of issued  securities  to  subscribe
(usually on a pro rata basis) for additional  securities of the same class, of a
different  class or of a  different  issuer,  as the case may be. The holders of
warrants  and rights have no voting  rights,  receive no  dividends  and have no
rights with respect to the assets of the issuer. The value of a warrant or right
may not necessarily change with the value of the underlying securities. Warrants
and  rights  cease  to have  value  if they  are not  exercised  prior  to their
expiration date.

Short-Term Fixed Income Securities. The Fund is authorized to invest temporarily
in various  short-term fixed income  securities.  Such securities may be used to
invest  uncommitted  cash balances,  to maintain  liquidity to meet  shareholder
redemptions,  or to take a temporary defensive position against market declines.
These securities include:

     o    Obligations   of  the   U.S.   Government   and   its   agencies   and
          instrumentalities

     o    Commercial paper

     o    Bank certificates of deposit and time deposits

     o    Bankers' acceptances

     o    Repurchase agreements collateralized by these securities.


                                       6
<PAGE>

                                       3.
                             Management of the Fund

The Board of  Trustees  of the Fund is  responsible  for the  management  of the
business and affairs of the Fund.

The  following  Trustee is the  managing  partner of Lord,  Abbett & Co.  ("Lord
Abbett"),  90 Hudson  Street,  Jersey City, New Jersey  07302-3973.  He has been
associated  with  Lord  Abbett  for  over  five  years  and is also an  officer,
director, or trustee of thirteen other Lord Abbett-sponsored funds.

*Robert S. Dow, age 55, Chairman and President

* Mr. Dow is an "interested person" as defined in the Act.

The following  outside Trustees are also directors or trustees of thirteen other
Lord Abbett-sponsored funds referred to above.

E. Thayer Bigelow, Trustee
245 Park Avenue, Suite 2414
New York, New York

Senior Adviser, Time Warner Inc. (since 1998); Acting Chief Executive Officer of
Courtroom  Television  Network  (1997 - 1998).  President  and  Chief  Executive
Officer of Time Warner Cable Programming, Inc. (1991 - 1997). Age 59.

William H.T. Bush, Trustee
Bush-O'Donnell & Co., Inc.
101 South Hanley Road, Suite 1025
St. Louis, Missouri

Co-founder   and   Chairman  of  the  Board  of  financial   advisory   firm  of
Bush-O'Donnell & Company (since 1986). Age 62.

Robert B. Calhoun, Jr., Trustee
Monitor Clipper Partners
650 Madison Avenue, 9th Floor
New York, New York

Managing  Director of Monitor Clipper Partners (since 1997) and President of The
Clipper Group L.P., both private equity investment funds (since 1990). Age 57.

Stewart S. Dixon, Trustee
Wildman, Harrold, Allen & Dixon
225 W. Wacker Drive (Suite 2800)
Chicago, Illinois

Partner in the law firm of Wildman, Harrold, Allen & Dixon (since 1990). Age 69.

John C. Jansing, Trustee
162 S. Beach Road
Hobe Sound, Florida

Retired. Former Chairman of Independent Election Corporation of America, a proxy
tabulating firm. Age 74.





                                       7
<PAGE>

C. Alan MacDonald, Trustee
415 Round Hill Road
Greenwich, Connecticut

President  of  Club  Management  Co.,  LLC,   consultants  on  golf  development
management  (since 1999);  Managing  Director of The Directorship  Group Inc., a
consultancy in board management and corporate  governance  (1997-1999);  General
Partner of The Marketing Partnership,  Inc., a full service marketing consulting
firm (1995-1997). Age 67.

Hansel B. Millican, Jr., Trustee
The Rochester Button Co.
1350 Broadway (Suite 1906)
New York, New York

President and Chief Executive  Officer of Rochester Button Company (since 1991).
Age 72.

Thomas J. Neff, Trustee
Spencer Stuart, U.S.
277 Park Avenue
New York, New York

Chairman of Spencer  Stuart U.S.,  an executive  search  consulting  firm (since
1976). Age 62.


Compensation Disclosure
The   following   table   summarizes   the   compensation   for   each   of  the
Directors/Trustees for the Fund and for all Lord Abbett-sponsored funds.

The second column of the following table sets forth the compensation  accrued by
the Fund for outside  directors.  The third column sets forth  information  with
respect to the benefits accrued by all Lord  Abbett-sponsored  funds for outside
directors/trustees  under the Fund's  retirement  plans,  which  will  terminate
effective October 31, 2000. The fourth column sets forth the total  compensation
paid by all Lord Abbett-sponsored funds to the outside  directors/trustees,  and
amounts payable but deferred at the option of the director/trustee, but does not
include amounts accrued under the third column. No director/trustee of the funds
associated   with  Lord  Abbett  and  no  officer  of  the  funds  received  any
compensation from the funds for acting as a director/trustee or officer.
<TABLE>
<CAPTION>

                        For the Fiscal Year Ended_______

       (1)                 (2)                       (3)                        (4)

                                                     Equity-Based               For Year Ended
                                                     Retirement Benefits        December 31, 1999
                                                     Accrued by the             Total Compensation
                           Aggregate                 Fund and                   Paid by the Fund and
                           Compensation              Thirteen Other Lord        Thirteen Other Lord
                           Accrued by                Abbett-sponsored           Abbett-sponsored
Name of Trustee            the Fund/1                 Funds/2                   Funds/3
---------------            ----------------          -------------------        ---------------------
<S>                        <C>                       <C>                        <C>
E. Thayer Bigelow          New Fund                   $17,622                    $57,720
William H.T. Bush          New Fund                   $15,846                    $58,000
Robert B. Calhoun, Jr.     New Fund                   $12,276                    $57,000
Stewart S. Dixon           New Fund                   $32,420                    $58,500
John C. Jansing            New Fund                   $41,108(4)                 $57,250
C. Alan MacDonald          New Fund                   $26,763                    $57,500
Hansel B. Millican, Jr.    New Fund                   $37,822                    $57,500
Thomas J. Neff             New Fund                   $20,313                    $59,660
</TABLE>

                                       8
<PAGE>

1.   Outside  directors'/trustees' fees, including attendance fees for board and
     committee  meetings,  are allocated among all Lord  Abbett-sponsored  funds
     based on the net assets of each fund.  A portion of the fees payable by the
     Fund to its outside  directors/trustees  may be deferred at the option of a
     director/trustee under an equity-based (the "equity-based plan") that deems
     the  deferred  amounts  to be  invested  in  shares  of the Fund for  later
     distribution to the  directors/trustees.  Effective  November 1, 2000, each
     director/trustee  will receive an additional  annual  $25,000  retainer the
     full  amount of which must be deferred  under the  equity-based  plan.  The
     amounts   ultimately   received   by  the   directors/trustees   under  the
     equity-based plan will be directly linked to the investment  performance of
     the funds.  Since the Fund is new, no compensation has yet been paid to its
     Trustees.

2.   The amounts in Column 3 were accrued by the Lord Abbett-sponsored funds for
     the 12 months ended October 31, 1999.

3.   The    fourth    column    shows    aggregate    compensation,    including
     directors'/trustees'  fees and  attendance  fees for  board  and  committee
     meetings,  of a nature  referred  to in footnote  one,  accrued by the Lord
     Abbett-sponsored  funds during the year ended December 31, 1999,  including
     fees  directors/trustees have chosen to defer, but does not include amounts
     accrued under the equity-based plans and shown in Column 3.

4.   The equity-based plans superseded a previously approved retirement plan for
     all  director/trustees.  Directors  had the option to convert their accrued
     benefits  under  the  retirement  plan.  All of the  then  current  outside
     directors/trustees  except one made such  election.  Mr.  Jansing  chose to
     continue to receive  benefits for life equal to their final annual retainer
     following retirement at or after age 72 with at least ten years of service.
     Thus, if Mr. Jansing were to retire and the annual retainer  payable by the
     funds  were the same as it is today,  he would  receive  annual  retirement
     benefits of $50,000.

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

Except where indicated,  the following  executive officers of the Fund have been
associated with Lord Abbett for over five years.  Messrs.  Carper,  Hilstad, and
Morris,  and Ms. Binstock are partners of Lord Abbett; the others are employees.
None have received compensation from the Fund.

Executive Vice President:   (To be determined)



Vice Presidents:

Joan A. Binstock,  age 46 (with Lord Abbett since 1999, formerly Chief Operating
Officer of Morgan Grenfell from 1996 to 1999, prior thereto Principal of Ernst &
Young LLP)

Daniel E. Carper, age 48

Paul A. Hilstad, age 57, Vice President and Secretary

Lawrence  H.  Kaplan,  age 43 (with  Lord  Abbett  since  1997 -  formerly  Vice
President and Chief Counsel of Salomon  Brothers Asset Management Inc. from 1995
to 1997,  prior thereto Senior Vice  President,  Director and General Counsel of
Kidder Peabody Asset Management, Inc.)

Robert G. Morris, age 55

A. Edward Oberhaus, age 40

Tracie E. Richter,  age 32 (with Lord Abbett since 1999, formerly Vice President
- Head of Fund  Administration  of  Morgan  Grenfell  from  1998 to  1999,  Vice
President of Bankers  Trust from 1996 to 1998,  prior  thereto Tax  Associate of
Goldman Sachs).

                                       9
<PAGE>

Christina T. Simmons,  age 42 (with Lord Abbett since 1999,  formerly  Assistant
General  Counsel of  Prudential  Investments  from 1998 to 1999,  prior  thereto
Counsel of Drinker, Biddle & Reath LLP, a law firm, from 1985 to 1998)

Treasurer:
Francie W. Tai, age 35 (with Lord Abbett since 2000, formerly Manager of Goldman
Sachs from 1997 to 2000, prior thereto Assistant Vice President of Bankers Trust
from 1994 to 1997).


Code of Ethics
The directors,  trustees and officers of Lord  Abbett-sponsored  funds, together
with the partners and  employees of Lord Abbett,  are  permitted to purchase and
sell securities for their personal investment accounts.  In engaging in personal
securities  transactions,  however, such persons are subject to requirements and
restrictions  contained  in  the  Fund's  Code  of  Ethics  which  complies,  in
substance,   with  each  of  the   recommendations  of  the  Investment  Company
Institute's  Advisory Group on Personal Investing.  Among other things, the Code
requires that Lord Abbett partners and employees  obtain advance approval before
buying or selling  securities,  submit  confirmations and quarterly  transaction
reports,  and obtain approval before becoming a director of any company;  and it
prohibits  such persons from  investing in a security 7 days before or after any
Lord Abbett-sponsored  fund or Lord Abbett-managed  account considers a trade or
trades in such  security,  prohibiting  profiting on trades of the same security
within 60 days and  trading on material  and  non-public  information.  The Code
imposes  certain  similar  requirements  and  restrictions  on  the  independent
directors  and  trustees  of  each  Lord  Abbett-sponsored  fund  to the  extent
contemplated by the recommendations of such Advisory Group.


                                       4.
               Control Persons and Principal Holders of Securities

It is  anticipated  that  our  officers  and  trustees,  as a  group,  will  own
approximately  100% of the  Fund's  outstanding  Class A shares.  As of the date
hereof  there  were  no  other  record  holders  of 5% or  more  of  the  Fund's
outstanding  shares.  The ownership of the Fund's  outstanding shares of Class A
will represent the initial  investment.  It is  anticipated  that over time this
percentage of ownership will decrease.


                                       5.
                     Investment Advisory And Other Services

Investment Manager
As described under  "Management"  in the  Prospectus,  Lord Abbett is the Fund's
investment  manager.  Of the general partners of Lord Abbett,  the following are
officers and/or trustees of the Fund: Joan A. Binstock, Daniel E. Carper, Robert
S. Dow, Paul A. Hilstad,  and Robert G. Morris.  The other general partners are:
Stephen I. Allen,  Zane E.  Brown,  John E.  Erard,  Robert P.  Fetch,  Daria L.
Foster,  Robert I. Gerber,  W. Thomas Hudson,  Stephen J.  McGruder,  Michael B.
McLaughlin,  Robert J. Noelke, R. Mark Pennington, Eli Salzmann, and Christopher
J. Towle.  The address of each partner is 90 Hudson  Street,  Jersey  City,  New
Jersey 07302-3973.

The services  performed by Lord Abbett are described  under  "Management" in the
Prospectus.  Under the Management Agreement, the Fund pays Lord Abbett a monthly
fee,  based on average  daily net  assets  for each  month at an annual  rate of
________.  This fee is  allocated  among the  classes  of the Fund  based on the
Fund's average daily net assets.

The Fund pays all expenses  not  expressly  assumed by Lord  Abbett,  including,
without  limitation,  12b-1  expenses,  outside  trustees'  fees  and  expenses,
association  membership  dues,  legal and  auditing  fees,  taxes,  transfer and
dividend disbursing agent fees,  shareholder  servicing costs, expenses relating
to  shareholder  meetings,  expenses of  preparing,  printing and mailing  stock
certificates and shareholder  reports,  expenses of registering our shares under
federal and state securities laws,  expenses of preparing,  printing and mailing
prospectuses to existing shareholders,  insurance premiums,  brokerage and other
expenses connected with executing portfolio transactions.

Although  not  obligated  to do so,  Lord  Abbett may waive all or a part of its
management fees and or may assume other expenses of the Fund.


                                       10
<PAGE>

Principal Underwriter
Lord Abbett Distributor LLC, a New York limited liability company and subsidiary
of Lord Abbett, 90 Hudson Street, Jersey City, New Jersey 07302-3973,  serves as
the principal underwriter for the Fund.

Custodian
The Bank of New York ("BNY"),  48 Wall Street, New York, New York, is the Fund's
custodian.  In accordance with the  requirements of Rule 17f-5, the Fund's Board
of Trustees has approved  arrangements  permitting the Fund's foreign assets not
held by BNY or its  foreign  branches  to be held by certain  qualified  foreign
banks and depositories.

Transfer Agent
United  Missouri  Bank of Kansas  City,  N.A.,  Tenth and  Grand,  Kansas  City,
Missouri, acts as the transfer agent and dividend disbursing agent for the Fund.

Independent Auditors
(To be provided)



                                       6.
                    Brokerage Allocations and Other Practices

The Fund's policy is to obtain best execution on all our portfolio transactions,
which means that it seeks to have  purchases  and sales of portfolio  securities
executed at the most favorable prices, considering all costs of the transaction,
including brokerage commissions and dealer markups and markdowns and taking into
account the full range and quality of the  brokers'  services.  Consistent  with
obtaining best execution,  the Fund generally pays, as described below, a higher
commission  than some brokers might charge on the same  transaction.  Our policy
with respect to best  execution  governs the selection of brokers or dealers and
the market in which the transaction is executed. To the extent permitted by law,
we may, if considered advantageous, make a purchase from or sale to another Lord
Abbett-sponsored fund without the intervention of any broker-dealer.

Broker-dealers  are selected on the basis of their  professional  capability and
the value and quality of their brokerage and research  services.  Normally,  the
selection is made by traders who are employees of Lord Abbett.  These traders do
the  trading  as well for  other  accounts  --  investment  companies  and other
investment clients -- managed by Lord Abbett. They are responsible for obtaining
best execution.

We pay a  commission  rate  that we  believe  is  appropriate  to  give  maximum
assurance that our brokers will provide us, on a continuing  basis,  the highest
level of brokerage  services  available.  While we do not always seek the lowest
possible  commissions on particular trades, we believe that our commission rates
are in line with the rates that many other  institutions  pay.  Our  traders are
authorized  to pay brokerage  commissions  in excess of those that other brokers
might  accept  on the  same  transactions  in  recognition  of the  value of the
services  performed  by the  executing  brokers,  viewed in terms of either  the
particular  transaction  or the  overall  responsibilities  of Lord  Abbett with
respect to us and the other accounts they manage.  Such services include showing
us trading  opportunities  including  blocks,  a willingness and ability to take
positions in  securities,  knowledge of a particular  security or market  proven
ability to handle a particular type of trade, confidential treatment, promptness
and reliability.

Some of these brokers also provide research  services at least some of which are
useful to Lord Abbett in their overall  responsibilities  with respect to us and
the other accounts they manage. Research includes the furnishing of analyses and
reports concerning issuers, industries, securities, economic factors and trends,
portfolio  strategy and the  performance  of accounts and trading  equipment and
computer software  packages,  acquired from third-party  suppliers,  that enable
Lord Abbett to access various  information  bases.  Such services may be used by
Lord Abbett in servicing all their  accounts,  and not all of such services will
necessarily  be used by Lord Abbett in connection  with their  management of the
Fund. Conversely,  such services furnished in connection with brokerage on other
accounts  managed by Lord Abbett may be used in connection with their management
of the  Fund,  and not all of such  services  will  necessarily  be used by Lord
Abbett in connection  with their advisory  services to such other  accounts.  We
have been advised by Lord Abbett that  research  services  received from brokers
cannot be allocated to any  particular  account,  are not a substitute  for Lord
Abbett's  services but are  supplemental  to their own research effort and, when
utilized,  are subject to internal  analysis  before being  incorporated by Lord
Abbett into their investment  process.  As a practical  matter,  it would not be
possible for Lord Abbett to generate all of the information  presently  provided
by brokers.  While  receipt of research  services from  brokerage  firms has not
reduced Lord Abbett's  normal research  activities,  the expenses of Lord Abbett
could be  materially  increased  if it  attempted  to generate  such  additional
information  through its own staff and  purchased  such  equipment  and software
packages directly from the suppliers.


                                       11
<PAGE>

No commitments  are made  regarding the  allocation of brokerage  business to or
among brokers, and trades are executed only when they are dictated by investment
decisions  of the Lord  Abbett-sponsored  funds to  purchase  or sell  portfolio
securities.

When,  in the opinion of Fund  Management,  two or more  broker-dealers  (either
directly or through their  correspondent  clearing  agents) are in a position to
obtain the best price and execution, preference may be given to brokers who have
sold shares of the Fund and/or shares of other Lord  Abbett-sponsored  funds, or
who have provided investment research, statistical, or other related services to
the Fund.

If other  clients of Lord Abbett buy or sell the same  security at the same time
as  a  Lord  Abbett-sponsored  fund  does,  transactions  will,  to  the  extent
practicable,  be allocated among all participating accounts in proportion to the
amount  of each  order  and will be  executed  daily  until  filled so that each
account shares the average price and commission  cost of each day. Other clients
who direct that their brokerage  business be placed with specific brokers or who
invest  through wrap accounts  introduced to Lord Abbett by certain  brokers may
not participate with a Lord  Abbett-sponsored  fund in the buying and selling of
the same securities as described above. If these clients wish to buy or sell the
same  security  as a Lord  Abbett-sponsored  fund  does,  they  may  have  their
transactions  executed at times different from our transactions and thus may not
receive  the  same  price  or  incur  the  same   commission   cost  as  a  Lord
Abbett-sponsored fund does.



                                       7.
                       Capital Stock and Other Securities

Classes of Shares. The Fund offers investors four different classes of shares in
this  Statement  of  Additional  Information.  The  different  classes of shares
represent  investments  in the same  portfolio of securities  but are subject to
different expenses and will likely have different share prices. Investors should
read this  section  carefully  to  determine  which  class  represents  the best
investment option for their particular situation.

All shares have equal noncumulative  voting rights and equal rights with respect
to  dividends,  assets  and  liquidation,   except  for  certain  class-specific
expenses.  They  are  fully  paid  and  nonassessable  when  issued  and have no
preemptive or conversion rights. Additional classes or funds may be added in the
future.  The Act requires  that where more than one class or fund  exists,  each
class or fund must be  preferred  over all other  classes or funds in respect of
assets specifically allocated to such class or fund.

Rule 18f-2 under the Act provides that any matter  required to be submitted,  by
the provisions of the Act or applicable state law, or otherwise,  to the holders
of the outstanding  voting securities of an investment  company such as the Fund
shall not be deemed to have been  effectively  acted upon unless approved by the
holders of a majority of the  outstanding  shares of each class affected by such
matter.  Rule 18f-2 further provides that a class shall be deemed to be affected
by a  matter  unless  the  interests  of each  class or fund in the  matter  are
substantially identical or the matter does not affect any interest of such class
or fund.  However,  the Rule  exempts  the  selection  of  independent auditors,
the approval of a contract  with a principal  underwriter  and the election of
trustees from the separate voting requirements.

The Fund  does not hold  annual  meetings  of  shareholders  unless  one or more
matters are  required to be acted on by  shareholders  under the Act.  Under the
Fund's Declaration of Trust,  shareholder  meetings may be called at any time by
certain  officers  of the  Fund or by a  majority  of the  trustees  (i) for the
purpose of taking action upon any matter  requiring the vote or authority of the
Fund's shareholders or upon other matters deemed to be necessary or desirable or
(ii) upon the  written  request of the  holders of at least  one-quarter  of the
Fund's outstanding shares and entitled to vote at the meeting.

                                       12
<PAGE>

Class A Shares.  If you buy Class A shares,  you may pay an initial sales charge
on investments of less than $1 million (or on investments for employer-sponsored
retirement  plans under the Internal  Revenue Code  (hereinafter  referred to as
"Retirement Plans") with less than 100 eligible employees or on investments that
do not  qualify to be under a "special  retirement  wrap  program"  as a program
sponsored  by an  authorized  institution  showing  one or more  characteristics
distinguishing  it, in the opinion of Lord Abbett Distributor from a mutual fund
wrap fee program). If you purchase Class A shares as part of an investment of at
least $1 million (or for Retirement  Plans with at least 100 eligible  employees
or under a  special  retirement  wrap  program)  in  shares  of one or more Lord
Abbett-sponsored  funds,  you will not pay an initial sales  charge,  but if you
redeem  any of those  shares  within 24 months  after the month in which you buy
them, you may pay to the Fund a contingent  deferred sales charge ("CDSC") of 1%
except for redemptions under a special  retirement wrap program.  Class A shares
are subject to service and  distribution  fees that are  currently  estimated to
total  annually  approximately  .35 of 1% of the annual  net asset  value of the
Class A shares. The initial sales charge rates, the CDSC and the Rule 12b-1 plan
applicable to the Class A shares are described in the Fund's prospectus.


Class B Shares.  If you buy Class B shares,  you pay no sales charge at the time
of  purchase,  but if you redeem your  shares  before the sixth  anniversary  of
buying them, you will normally pay a CDSC to Lord Abbett Distributor.  That CDSC
varies  depending  on how long you own  shares.  Class B shares  are  subject to
service  and  distribution  fees at an annual rate of 1% of the annual net asset
value of the Class B shares.  The CDSC and the Rule 12b-1 plan applicable to the
Class B shares are described in the Fund's prospectus.

Conversion  of Class B Shares.  The  conversion  of Class B shares on the eighth
anniversary  of their purchase is subject to the  continuing  availability  of a
private  letter  ruling  from the  Internal  Revenue  Service,  or an opinion of
counsel or tax adviser, to the effect that the conversion of Class B shares does
not  constitute a taxable event for the holder under Federal  income tax law. If
such  a  revenue  ruling  or  opinion  is no  longer  available,  the  automatic
conversion  feature may be suspended,  in which event no further  conversions of
Class B shares would occur while such  suspension  remained in effect.  Although
Class B shares  could  then be  exchanged  for  Class A shares  on the  basis of
relative net asset value of the two classes,  without the  imposition of a sales
charge or fee, such exchange could constitute a taxable event for the holder.

Class C Shares.  If you buy Class C shares,  you pay no sales charge at the time
of  purchase,  but if you redeem your  shares  before the first  anniversary  of
buying  them,  you will  normally  pay the Fund a CDSC of 1%. Class C shares are
subject to service and  distribution  fees at an annual rate of 1% of the annual
net  asset  value of the  Class C  shares.  The CDSC  and the  Rule  12b-1  plan
applicable to the Class C shares are described in the Fund's prospectus.

Class P Shares.  If you buy Class P shares,  you pay no sales charge at the time
of purchase,  and if you redeem your shares you pay no CDSC.  Class P shares are
subject to service and  distribution  fees at an annual rate of .45 of 1% of the
average  daily  net  asset  value of the Class P  shares.  The Rule  12b-1  plan
applicable to the Class P shares is described in the Fund's prospectus.  Class P
shares are available to a limited number of investors.

Rule 12b-1 Plans
Class A, B, C, and P. As  described  in the  Prospectus,  the Fund has adopted a
Distribution Plan and Agreement  pursuant to Rule 12b-1 of the Act for four Fund
classes:  the "A  Plan,"  the  "B  Plan,"  the  "C  Plan,"  and  the  "P  Plan,"
respectively.  In adopting each Plan and in approving its continuance, the Board
of Trustees has concluded that there is a reasonable  likelihood  that each Plan
will benefit its  respective  class and such class'  shareholders.  The expected
benefits  include  greater sales and lower  redemptions  of class shares,  which
should allow each class to maintain a consistent cash flow, and a higher quality
of service to  shareholders by authorized  institutions  than would otherwise be
the case. Lord Abbett uses all amounts  received under each Plan as described in
the Prospectus and for payments to dealers for (i) providing continuous services
to shareholders,  such as answering shareholder inquiries,  maintaining records,
and  assisting  shareholders  in  making  redemptions,   transfers,   additional
purchases and exchanges and (ii) their assistance in distributing  shares of the
Fund.

                                       13
<PAGE>

Each Plan  requires  the Board of  Trustees  to review,  on a  quarterly  basis,
written  reports of all amounts  expended  pursuant to the Plan and the purposes
for which such  expenditures  were made. Each Plan shall continue in effect only
if its  continuance  is  specifically  approved at least annually by vote of the
Trustees, including a majority of the Trustees who are not interested persons of
the Fund and who have no direct or indirect  financial interest in the operation
of the Plan or in any agreements related to the Plan ("outside trustees"),  cast
in person at a meeting called for the purpose of voting on the Plan. No Plan may
be amended to increase  materially above the limits set forth therein the amount
spent for distribution expenses thereunder without approval by a majority of the
outstanding  voting  securities  of the  applicable  class and the approval of a
majority of the  trustees,  including a majority of the outside  trustees.  Each
Plan may be terminated at any time by vote of a majority of the outside trustees
or by vote of a majority of its class's outstanding voting securities.

Contingent  Deferred Sales Charges. A Contingent  Deferred Sales Charge ("CDSC")
applies upon early  redemption of shares  regardless  of class,  and (i) will be
assessed  on the  lesser  of the net  asset  value of the  shares at the time of
redemption  or the original  purchase  price and (ii) will not be imposed on the
amount of your account value represented by the increase in net asset value over
the initial  purchase  price  (including  increases due to the  reinvestment  of
dividends and capital gains  distributions) and upon early redemption of shares.
In the case of Class A shares,  this increase is represented by shares having an
aggregate  dollar  value in your  account.  In the  case of Class B and  Class C
shares,  this increase is represented by that  percentage of each share redeemed
where the net asset value exceeded the initial purchase price.

Class A Shares. As stated in the Prospectus,  subject to certain  exceptions,  a
CDSC of 1% is imposed with respect to those Class A shares (or Class A shares of
another Lord  Abbett-sponsored  fund or series acquired through exchange of such
shares) on which the Fund has paid the one-time  distribution  fee of 1% if such
shares are redeemed out of the Lord Abbett-sponsored funds within a period of 24
months from the end of the month in which the original sale occurred.

Class B Shares. As stated in the Prospectus,  subject to certain exceptions,  if
Class B shares  (or  Class B shares of  another  Lord  Abbett-sponsored  fund or
series  acquired  through  exchange of such shares) are redeemed out of the Lord
Abbett-sponsored  funds for cash before the sixth anniversary of their purchase,
a CDSC will be deducted from the redemption  proceeds.  The Class B CDSC is paid
to Lord Abbett  Distributor to reimburse its expenses,  in whole or in part, for
providing  distribution-related  service to the Fund in connection with the sale
of Class B shares.

To minimize the effects of the CDSC or to determine  whether the CDSC applies to
a  redemption,  the Fund  redeems  shares in the  following  order:  (1)  shares
acquired by  reinvestment  of dividends  and capital  gains  distributions,  (2)
shares held on or after the sixth anniversary of their purchase,  and (3) shares
held the longest before such sixth anniversary.

The amount of the CDSC will depend on the number of years since you invested and
the dollar amount being redeemed, according to the following schedule:
<TABLE>
<CAPTION>

Anniversary of the Day on                            Contingent Deferred Sales Charge
Which the Purchase Order Was Accepted                on Redemptions (As % of Amount Subject to Charge)
<S>                                                  <C>
Before the 1st                                       5.0%
On the 1st, before the 2nd                           4.0%
On the 2nd, before the 3rd                           3.0%
On the 3rd, before the 4th                           3.0%
On the 4th, before the 5th                           2.0%
On the 5th, before the 6th                           1.0%
On or after the 6th anniversary                      None
</TABLE>

In the table, an  "anniversary" is the same calendar day in each respective year
after the date of purchase.  All purchases  are  considered to have been made on
the business day on which the purchase order was accepted.

Class C Shares. As stated in the Prospectus,  subject to certain exceptions,  if
Class C shares  are  redeemed  for cash  before the first  anniversary  of their
purchase, the redeeming shareholder normally will be required to pay to the Fund
on  behalf  of Class C shares a CDSC of 1% of the  lower of cost or the then net
asset value of Class C shares  redeemed.  If such shares are exchanged  into the
same class of  another  Lord  Abbett-sponsored  fund and  subsequently  redeemed
before the first  anniversary  of their  original  purchase,  the charge will be
collected by the other fund on behalf of this Fund's Class C shares.

                                       14
<PAGE>

General.  The  percentage (1% in the case of Class A and C shares and 5% through
1% in the case of Class B shares) used to calculate  CDSCs  described  above for
the Class A, Class B, and Class C shares is sometimes hereinafter referred to as
the "Applicable Percentage."

With respect to Class A and Class B shares, no CDSC is payable on redemptions by
participants or beneficiaries from employer-sponsored retirement plans under the
Internal  Revenue  Code  for  benefit  payments  due  to  plan  loans,  hardship
withdrawals,  death,  retirement or  separation  from service and for returns of
excess contributions to retirement plan sponsors. With respect to Class A shares
purchased pursuant to a special  retirement wrap program,  no CDSC is payable on
redemptions  which continue as investments in another fund  participating in the
program.  With respect to Class B shares, no CDSC is payable for redemptions (i)
in connection with Systematic Withdrawal Plan and Div-Move services as described
below under those headings, (ii) in connection with mandatory distribution under
403(b) plans and IRAs and (iii) in connection with death of the shareholder.  In
the case of Class A and Class C shares,  the CDSC is received by the Fund and is
intended  to  reimburse  all or a portion of the amount  paid by the Fund if the
shares are  redeemed  before  the Fund has had an  opportunity  to  realize  the
anticipated  benefits of having a long-term  shareholder account in the Fund. In
the case of Class B shares,  the CDSC is received by Lord Abbett Distributor and
is intended to reimburse its expenses of providing  distribution-related service
to the Fund (including recoupment of the commission payments made) in connection
with the  sale of  Class B shares  before  Lord  Abbett  Distributor  has had an
opportunity to realize its anticipated  reimbursement by having such a long-term
shareholder account subject to the B Plan distribution fee.

In no event will the amount of the CDSC exceed the Applicable  Percentage of the
lesser of (i) the net asset value of the shares  redeemed  or (ii) the  original
cost of such  shares (or of the  Exchanged  Shares for which  such  shares  were
acquired).  No CDSC  will be  imposed  when  the  investor  redeems  (i)  shares
representing an aggregate dollar amount of your account,  in the case of Class A
shares, (ii) that percentage of each share redeemed,  in the case of Class B and
C shares, derived from increases in the value of the shares above the total cost
of shares being redeemed due to increases in net asset value,  (iii) shares with
respect to which no Lord  Abbett fund paid a 12b-1 fee and, in the case of Class
B shares, Lord Abbett Distributor paid no sales charge or service fee (including
shares  acquired  through  reinvestment  of dividend  income and  capital  gains
distributions) or (iv) shares which,  together with Exchanged Shares,  have been
held  continuously for 24 months from the end of the month in which the original
sale  occurred  (in the case of Class A  shares);  for six years or more (in the
case  of  Class B  shares)  and for one  year or more  (in the  case of  Class C
shares). In determining whether a CDSC is payable, (a) shares not subject to the
CDSC will be redeemed  before  shares  subject to the CDSC and (b) of the shares
subject to a CDSC, those held the longest will be the first to be redeemed.

Which  Class of Shares  Should You  Choose?  Once you decide that the Fund is an
appropriate  investment  for you,  the  decision  as to which class of shares is
better  suited to your needs  depends  on a number of  factors  which you should
discuss with your financial adviser. The Fund's class-specific  expenses and the
effect of the different  types of sales charges on your  investment  will affect
your investment  results over time. The most important  factors are how much you
plan to invest and how long you plan to hold your investment.  If your goals and
objectives  change over time and you plan to  purchase  additional  shares,  you
should  re-evaluate those factors to see if you should consider another class of
shares.

In the following discussion, to help provide you and your financial adviser with
a framework in which to choose a class,  we have made some  assumptions  using a
hypothetical  investment  in the  Fund.  We used the  sales  charge  rates  that
generally  apply to Class A, Class B, and Class C, and  considered the effect of
the higher  distribution fees on Class B and Class C expenses (which will affect
your investment  return).  Of course,  the actual performance of your investment
cannot  be  predicted  and will  vary,  based on the  Fund's  actual  investment
returns,  the operating expenses borne by each class of shares, and the class of
shares you purchase.  The factors briefly discussed below are not intended to be
investment  advice,  guidelines  or  recommendations,  because  each  investor's
financial  considerations are different.  The discussion below of the factors to
consider  in  purchasing  a  particular  class of shares  assumes  that you will
purchase only one class of shares and not a  combination  of shares of different
classes.

How Long Do You Expect to Hold Your  Investment?  While future  financial  needs
cannot be  predicted  with  certainty,  knowing how long you expect to hold your
investment  will assist you in selecting the  appropriate  class of shares.  For
example,  over time, the reduced sales charges available for larger purchases of
Class A shares may offset the effect of paying an initial  sales  charge on your
investment,  compared to the effect over time of higher class-specific  expenses
on Class B or Class C shares for which no initial sales charge is paid.  Because
of the effect of  class-based  expenses,  your choice  should also depend on how
much you plan to invest.

                                       15
<PAGE>

Investing for the Short Term. If you have a short-term  investment horizon (that
is,  you plan to hold your  shares  for not more  than six  years),  you  should
probably  consider  purchasing  Class A or Class C shares  rather  than  Class B
shares.  This is because of the effect of the Class B CDSC if you redeem  before
the sixth  anniversary  of your  purchase,  as well as the effect of the Class B
distribution  fee on the  investment  return for that  class in the short  term.
Class C shares might be the  appropriate  choice  (especially for investments of
less than $100,000), because there is no initial sales charge on Class C shares,
and the CDSC does not apply to amounts you redeem after holding them one year.

However,  if you plan to invest more than $100,000 for the short term,  then the
more you invest and the more your investment horizon increases toward six years,
the more  attractive  the Class A share  option may become.  This is because the
annual  distribution  fee on Class C shares  will have a greater  impact on your
account over the longer term than the reduced  front-end sales charge  available
for  larger  purchases  of Class A shares.  For  example,  Class A might be more
appropriate  than Class C for  investments of more than $100,000  expected to be
held for 5 or 6 years (or more).  For investments  over $250,000  expected to be
held 4 to 6 years (or more),  Class A shares may become  more  appropriate  than
Class  C. If you are  investing  $500,000  or  more,  Class  A may  become  more
desirable as your investment horizon approaches 3 years or more.


For most investors who invest $1 million or more or for Retirement Plans with at
least 100 eligible employees or for investments pursuant to a special retirement
wrap program, in most cases Class A shares will be the most advantageous choice,
no matter how long you intend to hold your shares.  For that reason,  it may not
be suitable for you to place a purchase  order for Class B shares of $500,000 or
more or a purchase  order for Class C shares of $1,000,000 or more. In addition,
it may not be  suitable  for you to place an order for Class B or C shares for a
Retirement Plan with at least 100 eligible employees or for a special retirement
wrap program. You should discuss this with your financial advisor.

Investing  for the Longer Term.  If you are  investing  for the longer term (for
example,  to provide  for future  college  expenses  for your  child) and do not
expect to need access to your money for seven years or more,  Class B shares may
be an appropriate  investment  option, if you plan to invest less than $100,000.
If you plan to invest more than $100,000 over the long term, Class A shares will
likely be more  advantageous than Class B shares or Class C shares, as discussed
above,  because of the effect of the expected  lower expenses for Class A shares
and the reduced initial sales charges available for larger  investments in Class
A shares under the Fund's Rights of Accumulation.

Of course,  these examples are based on  approximations of the effect of current
sales charges and expenses on a  hypothetical  investment  over time, and should
not be relied on as rigid guidelines.

Are There  Differences  in Account  Features  That Matter to You?  Some  account
features  are  available  in whole or in part to  Class A,  Class B and  Class C
shareholders.  Other features (such as Systematic Withdrawal Plans) might not be
advisable in non-Retirement  Plan accounts for Class B shareholders  (because of
the effect of the CDSC on the entire  amount of a  withdrawal  if it exceeds 12%
annually) and in any account for Class C  shareholders  during the first year of
share  ownership  (due  to the  CDSC  on  withdrawals  during  that  year).  See
"Systematic  Withdrawal Plan" under "Shareholder Services" in the Prospectus for
more  information  about the 12% annual waiver of the CDSC. You should carefully
review how you plan to use your  investment  account before deciding which class
of shares you buy. For  example,  the  dividends  payable to Class B and Class C
shareholders  will be  reduced  by the  expenses  borne  solely by each of these
classes, such as the higher distribution fee to which Class B and Class C shares
are subject.

How Does It Affect Payments to My Broker?  A salesperson,  such as a broker,  or
any other person who is entitled to receive compensation for selling Fund shares
may  receive  different  compensation  for  selling  one class than for  selling
another class. As discussed in more detail below, such compensation is primarily
paid at the time of sale in the case of Class A and  Class B shares  and is paid
over time, so long as shares remain outstanding,  in the case of Class C shares.
It is important that investors  understand  that the primary purpose of the CDSC
for the Class B shares and the  distribution  fee for Class B and Class C shares
is the same as the  purpose of the  front-end  sales  charge on sales of Class A
shares: to compensate  brokers and other persons selling such shares.  The CDSC,
if payable,  supplements  the Class B  distribution  fee and reduces the Class C
distribution fee expenses for the Fund and Class C shareholders.

                                       16
<PAGE>


                                       8.
                       Purchases, Redemptions and Pricing

Information  concerning  how we value our shares for the purchase and redemption
of  our  shares  is  contained  in  the   Prospectus   under   "Purchases"   and
"Redemptions," respectively.

As disclosed in the Prospectus, we calculate our net asset value as of the close
of the New York Stock  Exchange  ("NYSE")  on each day that the NYSE is open for
trading by dividing our total net assets by the number of shares  outstanding at
the time of  calculation.  The NYSE is closed on  Saturdays  and Sundays and the
following  holidays -- New Year's Day, Martin Luther King, Jr. Day,  Presidents'
Day, Good Friday,  Memorial Day,  Independence Day, Labor Day,  Thanksgiving and
Christmas.

The Fund values its portfolio  securities at market value as of the close of the
NYSE. Market value will be determined as follows:  securities listed or admitted
to trading privileges on any national securities exchange are valued at the last
sales  price,  or, if there is no sale on that day, at the mean between the last
bid and asked price,  or, in the case of bonds, in the  over-the-counter  market
if, in the judgment of the Fund's officers, that market more accurately reflects
the market value of the bonds.  Over-the-counter  securities,  not traded on the
NASDAQ National  Market System,  are valued at the mean between the last bid and
asked  prices.  Securities  for which market  quotations  are not  available are
valued at fair market value under procedures approved by the Board of Trustees.

For each class of shares,  the net asset value will be  determined by taking the
net assets and dividing by the number of shares outstanding.

Net Asset Value Purchases of Class A Shares.  As stated in the  Prospectus,  our
Class A shares may be purchased at net asset value by our trustees, employees of
Lord Abbett,  employees of our shareholder  servicing agent and employees of any
securities dealer having a sales agreement with Lord Abbett who consents to such
purchases or by the director or  custodian  under any pension or  profit-sharing
plan or Payroll Deduction IRA established for the benefit of such persons or for
the benefit of employees of any national  securities trade organization to which
Lord Abbett  belongs or any company with an  account(s) in excess of $10 million
managed by Lord Abbett on a private-advisory-account basis. For purposes of this
paragraph,  the  terms  "directors"  and  "employees"  include a  director's  or
employee's  spouse  (including  the surviving  spouse of a deceased  director or
employee). The terms "our directors" and "employees of Lord Abbett" also include
retired directors and employees and other family members thereof.

Our Class A shares also may be purchased at net asset value (a) at $1 million or
more,  (b) with  dividends and  distributions  from Class A shares of other Lord
Abbett-sponsored funds, except for Lord Abbett Series Fund ("LASF") which offers
its shares only in connection with certain variable annuity contracts, (c) under
the loan feature of the Lord  Abbett-sponsored  prototype  403(b) plan for share
purchases  representing the repayment of principal and interest,  (d) by certain
authorized brokers,  dealers,  registered investment advisers or other financial
institutions who have entered into an agreement with Lord Abbett  Distributor in
accordance with certain standards approved by Lord Abbett Distributor, providing
specifically  for the use of our shares in particular  investment  products made
available for a fee to clients of such brokers,  dealers,  registered investment
advisers and other financial institutions, ("mutual fund wrap fee program"), (e)
by employees,  partners and owners of  unaffiliated  consultants and advisors to
Lord Abbett, Lord Abbett Distributor or Lord Abbett-sponsored  funds who consent
to such  purchase if such persons  provide  service to Lord Abbett,  Lord Abbett
Distributor  or such  funds on a  continuing  basis and are  familiar  with such
funds, (f) through Retirement Plans with at least 100 eligible employees, (g) in
connection  with a merger,  acquisition  or other  reorganization  (h) through a
"special retirement wrap program" sponsored by an authorized  institution having
one or more  characteristics  distinguishing  it, in the  opinion of Lord Abbett
Distributor,  from a mutual fund wrap  program.  Such  characteristics  include,
among other things, the fact that an authorized  institution does not charge its
clients  any  fee of a  consulting  or  advisory  nature  that  is  economically
equivalent  to the  distribution  fee under Class A 12b-1 Plan and the fact that
the program relates to participant-directed  Retirement Plan. Shares are offered
at net asset value to these investors for the purpose of promoting goodwill with
employees  and  others  with whom Lord  Abbett  Distributor  and/or the Fund has
business relationships.

                                       17
<PAGE>

Exchanges.  The Prospectus briefly describes the Telephone  Exchange  Privilege.
You may  exchange  some or all of your shares of any class for those in the same
class of: (i) Lord Abbett-sponsored funds currently offered to the public with a
sales charge (front-end,  back-end or level ), (ii) Lord Abbett U.S.  Government
Securities  Money  Market  Fund,  Inc.   ("GSMMF"),   or  (iii)  any  authorized
institution's affiliated money market fund satisfying Lord Abbett Distributor as
to certain  omnibus account and other  criteria,  hereinafter  referred to as an
"authorized  money market fund" or "AMMF", to the extent offers and sales may be
made in your  state.  You should  read the  prospectus  of the other fund before
exchanging.  In establishing a new account by exchange, shares of the fund being
exchanged  must have a value  equal to at least the minimum  initial  investment
required for the other fund into which the exchange is made.

Shareholders in other Lord  Abbett-sponsored  funds and AMMF have the same right
to  exchange  their  shares for the  corresponding  class of the Fund's  shares.
Exchanges  are based on relative  net asset values on the day  instructions  are
received by the Fund in Kansas City if the  instructions  are received in proper
form prior to the close of the NYSE. No sales charges are imposed  except in the
case of  exchanges  out of  GSMMF or AMMF  (unless  a sales  charge  (front-end,
back-end or level) was paid on the initial investment in a Lord Abbett-sponsored
fund).  Exercise of the exchange privilege will be treated as a sale for federal
income tax purposes, and, depending on the circumstances,  a gain or loss may be
recognized. In the case of an exchange of shares that have been held for 90 days
or less where no sales charge is payable on the  exchange,  the  original  sales
charge incurred with respect to the exchanged  shares will be taken into account
in  determining  gain or loss on the  exchange  only to the extent  such  charge
exceeds the sales charge that would have been payable on the acquired shares had
they been acquired for cash rather than by exchange. The portion of the original
sales charge not so taken into  account will  increase the basis of the acquired
shares.

Shareholders have the exchange  privilege unless they refuse it in writing.  You
should  not view the  exchange  privilege  as a means for  taking  advantage  of
short-term swings in the market,  and we reserve the right to terminate or limit
the privilege of any shareholder who makes frequent exchanges.  We can revoke or
modify the privilege for all shareholders upon 60 days' prior notice.  "Eligible
Funds" are AMMF and other Lord Abbett-sponsored funds which are eligible for the
exchange privilege,  except LASF which offers its shares only in connection with
certain variable annuity contracts.

The other funds and series which participate in the Telephone Exchange Privilege
[except (a) GSMMF,  (b) certain series of Lord Abbett  Tax-Free  Income Fund and
Lord  Abbett  Tax-Free  Income  Trust for which a Rule  12b-1 Plan is not yet in
effect, and (c) AMMF  (collectively,  the "Non-12b-1  Funds")] have instituted a
CDSC for each class on the same terms and conditions. No CDSC will be charged on
an exchange  of shares of the same class  between  Lord Abbett  funds or between
such funds and AMMF. Upon redemption of shares out of the Lord Abbett -sponsored
funds or out of AMMF, the CDSC will be charged on behalf of and paid: (i) to the
fund in which the original purchase (subject to a CDSC) occurred, in the case of
the  Class A and  Class C shares  and  (ii) to Lord  Abbett  Distributor  if the
original  purchase  was  subject  to a CDSC,  in the case of the Class B shares.
Thus, if shares of a Lord Abbett fund are exchanged for shares of the same class
of  another  such fund and the  shares of the same  class  tendered  ("Exchanged
Shares")  are  subject to a CDSC,  the CDSC will carry over to the shares of the
same class being acquired,  including GSMMF and AMMF  ("Acquired  Shares").  Any
CDSC that is carried over to Acquired  Shares is  calculated as if the holder of
the  Acquired  Shares  had held  those  shares  from the date on which he or she
became the holder of the Exchanged Shares. Although the Non-12b-1 Funds will not
pay a  distribution  fee on their own shares,  and will,  therefore,  not impose
their own CDSC, the Non-12b-1 Funds will collect the CDSC (a) on behalf of other
Lord  Abbett  funds,  in the case of the Class A and  Class C shares  and (b) on
behalf of Lord Abbett Distributor,  in the case of the Class B shares.  Acquired
Shares held in GSMMF and AMMF which are subject to a CDSC will be credited  with
the time such shares are held in GSMMF,  but will not be credited  with the time
such shares are held in AMMF.  Therefore,  if your Acquired  Shares held in AMMF
qualified for no CDSC or a lower  Applicable  Percentage at the time of exchange
into AMMF,  that  Applicable  Percentage will apply to redemptions for cash from
AMMF, regardless of the time you have held Acquired Shares in AMMF.

Letter of Intention.  Under the terms of the Letter of Intention as described in
the Prospectus you may invest  $100,000 or more over a 13-month period in shares
of a Lord  Abbett-sponsored  fund (other  than  shares of LASF,  GSMMF and AMMF,
unless holdings in GSMMF and AMMF are  attributable  to shares  exchanged from a
Lord  Abbett-sponsored  fund offered  with a front-end,  back-end or level sales
charge).  Shares  currently  owned by you are  credited as  purchases  (at their
current  offering prices on the date the Letter is signed) toward  achieving the
stated  investment and reduced initial sales charge for Class A shares.  Class A
shares valued at 5% of the amount of intended  purchases are escrowed and may be
redeemed to cover the additional sales charge payable if the Letter of Intention
is not completed. The Letter of Intention is neither a binding obligation on you
to buy, nor on the Fund to sell, the full amount indicated.

                                       18
<PAGE>

Rights of Accumulation.  As stated in the Prospectus,  purchasers (as defined in
the Prospectus) may accumulate their investment in Lord  Abbett-sponsored  funds
(other  than  LASF,  GSMMF,  and  AMMF  unless  holdings  in  GSMMF  or AMMF are
attributable to shares exchanged from a Lord  Abbett-sponsored fund offered with
a front-end,  back-end or level sales charge) so that a current investment, plus
the purchaser's  holdings valued at the current maximum offering price,  reach a
level eligible for a discounted sales charge for Class A shares.

Redemptions.  A  redemption  order is in proper form when it contains all of the
information and  documentation  required by the order form or  supplementally by
Lord Abbett Distributor or the Fund to carry out the order. The signature(s) and
any legal capacity of the signer(s) must be guaranteed by an eligible guarantor.
See the Prospectus for expedited redemption procedures.

The right to redeem and receive payment, as described in the Prospectus,  may be
suspended if the NYSE is closed  (except for  weekends or  customary  holidays),
trading on the NYSE is  restricted  or the  Securities  and Exchange  Commission
deems an emergency to exist.

Our Board of  Trustees  may  authorize  redemption  of all of the  shares in any
account  in which  there are  fewer  than 25  shares.  Before  authorizing  such
redemption, the Board must determine that it is in our economic best interest or
necessary  to  reduce   disproportionately   burdensome  expenses  in  servicing
shareholder  accounts.  At least 6 months'  prior  written  notice will be given
before any such redemption,  during which time shareholders may avoid redemption
by bringing their accounts up to the minimum set by the Board.

Div-Move. Under the Div-Move service described in the Prospectus, you can invest
the dividends paid on your account of any class into an existing  account of the
same class in any other  Eligible Fund. The account must be either your account,
a joint account for you and your spouse, a single account for your spouse,  or a
custodial  account for your minor child under the age of 21. You should read the
prospectus of the other fund before investing.

Invest-A-Matic.  The  Invest-A-Matic  method of investing in the Fund and/or any
other  Eligible Fund is described in the  Prospectus.  To avail yourself of this
method you must complete the application form,  selecting the time and amount of
your bank checking account  withdrawals and the funds for investment,  include a
voided, unsigned check and complete the bank authorization.

Systematic  Withdrawal  Plans.  The Systematic  Withdrawal  Plan ("SWP") also is
described  in the  Prospectus.  You may  establish  a SWP if you own or purchase
uncertificated shares having a current offering price value of at least $10,000.
Lord Abbett  prototype  retirement  plans have no such minimum.  With respect to
Class B shares the CDSC will be waived on  redemptions  of up to 12% per year of
the current net asset value of your account at the time the SWP is  established.
For  Class B share  redemptions  over 12% per year,  the CDSC will  apply to the
entire  redemption.  Therefore,  please  contact  the  Fund  for  assistance  in
minimizing the CDSC in this situation.  With respect to Class C shares, the CDSC
will be waived on and after the first  anniversary  of their  purchase.  The SWP
involves  the  planned  redemption  of shares on a periodic  basis by  receiving
either  fixed or  variable  amounts at  periodic  intervals.  Since the value of
shares  redeemed  may be more or  less  than  their  cost,  gain or loss  may be
recognized for income tax purposes on each periodic payment.  Normally,  you may
not make  regular  investments  at the same  time you are  receiving  systematic
withdrawal  payments because it is not in your interest to pay a sales charge on
new  investments  when in  effect  a  portion  of that  new  investment  is soon
withdrawn.  The minimum investment accepted while a withdrawal plan is in effect
is  $1,000.  The SWP may be  terminated  by you or by us at any time by  written
notice.

Retirement  Plans.  The Prospectus  indicates the types of retirement  plans for
which Lord Abbett provides forms and  explanations.  Lord Abbett makes available
the retirement  plan forms including  401(k) plans and custodial  agreements for
IRAs (Individual Retirement Accounts, including Traditional, Education, Roth and
SIMPLE  IRAs and  Simplified  Employee  Pensions),  403(b)  plans and  qualified
pension and  profit-sharing  plans.  The forms name  Investors  Fiduciary  Trust
Company as custodian and contain specific  information about the plans excluding
401(k) plans.  Explanations of the eligibility  requirements,  annual  custodial
fees and  allowable tax  advantages  and penalties are set forth in the relevant
plan  documents.  Adoption of any of these plans should be on the advice of your
legal counsel or qualified tax adviser.

                                       19
<PAGE>

                                       9.
                              Taxation of the Fund

The Fund  intends to elect and to qualify  for special  tax  treatment  afforded
regulated  investment  companies  under the  Internal  Revenue Code of 1986 (the
"Code").  If it so  qualifies,  the  Fund  (but  not its  shareholders)  will be
relieved  of  federal  income  taxes on the  amount  it  timely  distributes  to
shareholders.  If in any  taxable  year the Fund does not qualify as a regulated
investment  company,  all of its  taxable  income  will be  taxed to the Fund at
regular corporate rates.

The  Fund  contemplates  declaring  as  dividends  substantially  all of its net
investment  income.  Dividends paid by the Fund from its  investment  income and
distributions out of short-term capital gains are taxable to its shareholders as
ordinary  income  from  dividends,  whether  received in cash or  reinvested  in
additional  shares  of the  Fund.  Distributions  paid  by the  Fund  of its net
realized  long-term  capital gains are taxable to shareholders as capital gains,
also whether  received in cash or reinvested  in shares.  The Fund will send its
shareholder  annual  information  concerning  the tax treatment of dividends and
other distributions.

Upon sale,  exchange or  redemption  of shares of the Fund, a  shareholder  will
recognize  short-  or  long-term  capital  gain  or  loss,  depending  upon  the
shareholder's  holding period in the Fund's shares.  However, if a shareholder's
holding  period in his shares is six months or less,  any capital loss  realized
from a sale or exchange of such shares must be treated as long-term capital loss
to the extent of dividends classified as "capital gains dividends" received with
respect to such shares.  The maximum tax rates  applicable  to net capital gains
recognized by individuals and other non- corporate taxpayers are (i) the same as
ordinary  income rates for capital assets held for one year or less and (ii) 20%
for  capital  assets  held  for more  than one  year.  Capital  gains or  losses
recognized by corporate  shareholders  are subject to tax at the ordinary income
tax rates applicable to corporations.

Losses on the sale of shares are not deductible if, within a period beginning 30
days  before the date of the sale and ending 30 days after the date of the sale,
the taxpayer acquires shares that are substantially identical.

Some  shareholders  may  be  subject  to a 31%  withholding  tax  on  reportable
dividends,   capital  gains   distributions  and  redemption  payments  ("backup
withholding").  Generally,  shareholders  subject to backup  withholding will be
those for whom a certified  taxpayer  identification  number is not on file with
the Fund or who, to the Fund's  knowledge,  have furnished an incorrect  number.
When  establishing  an account,  an investor  must  certify  under  penalties of
perjury  that such  number is correct  and that he is not  otherwise  subject to
backup withholding.

The writing of call options and other investment  techniques and practices which
the Fund may utilize may affect the character and timing of the  recognition  of
gains and  losses.  Such  transactions  may  increase  the amount of  short-term
capital  gain  realized  by the Fund,  which is taxed as  ordinary  income  when
distributed to shareholders.

The Fund may be subject to foreign  withholding  taxes,  which would  reduce the
yield on its investments.  It is generally  expected that Fund  shareholders who
are subject to United States  federal income tax will not be entitled to claim a
federal  income tax credit or  deduction  for foreign  income  taxes paid by the
Fund.

The Fund will also be  subject  to a 4%  non-deductible  excise  tax on  certain
amounts not distributed or treated as having been  distributed on a timely basis
each calendar year. The Fund intends to distribute to shareholders  each year an
amount adequate to avoid the imposition of such excise tax.

Dividends paid by the Fund will qualify for the dividends-received deduction for
corporations  to the extent they are  derived  from  dividends  paid by domestic
corporations. Corporate shareholders must have held their shares in the Fund for
more than 45 days to qualify for the deduction on dividends paid by the Fund.

Gain and loss realized by the Fund on certain  transactions,  including sales of
foreign debt securities and certain  transactions  involving  foreign  currency,
will be treated as ordinary  income or loss for federal  income tax  purposes to
the  extent,  if any,  that  such gain or loss is  attributable  to  changes  in
exchange rates for foreign  currencies.  Accordingly,  distributions  taxable as
ordinary  income will include the net amount,  if any, of such foreign  exchange
gain and will be reduced by the net  amount,  if any, of such  foreign  exchange
loss.

                                       20
<PAGE>

If the Fund  purchases  shares in certain  foreign  investment  entities  called
"passive foreign investment companies," the Fund may be subject to United States
federal  income tax on a portion of any "excess  distribution"  or gain from the
disposition  of such  shares,  even if such income is  distributed  as a taxable
dividend by the Fund to its  shareholders.  Additional  charges in the nature of
interest  may be imposed on the Fund in respect of deferred  taxes  arising from
such  distributions  or gains.  If the Fund were to make a  "qualified  electing
fund"  election with respect to its investment in a passive  foreign  investment
company,  in lieu of the foregoing  requirements,  the Fund might be required to
include in income each year a portion of the  ordinary  earnings and net capital
gains of the qualified  electing fund,  even if such amount were not distributed
to the Fund. Alternatively, if the Fund were to make a "mark-to-market" election
with respect to its investment in a passive foreign investment company,  gain or
loss with respect to the investment  would be considered  realized at the end of
each taxable year of the Fund even if the Fund continued to hold the investment,
and would be treated as ordinary income or loss to the Fund.

The  foregoing  discussion  relates  solely to U.S.  federal  income  tax law as
applicable to United States  persons  (United  States  citizens or residents and
United States domestic  corporations,  partnerships,  trusts and estates).  Each
shareholder  who is not a United States  person  should  consult his tax adviser
regarding  the U.S. and foreign tax  consequences  of the ownership of shares of
the Fund,  including the applicable  rate of U.S.  withholding  tax on dividends
representing   ordinary  income  and  net  short-term  capital  gains,  and  the
applicability of U.S. gift and estate taxes.


                                       10.
                                   Underwriter

Lord Abbett Distributor LLC, a New York limited liability company and subsidiary
of Lord Abbett, 90 Hudson Street, Jersey City, New Jersey 07302-3973,  serves as
the principal underwriter for the Fund. The Fund has entered into a distribution
agreement with Lord Abbett  Distributor,  under which Lord Abbett Distributor is
obligated to use its best efforts to find purchasers for the shares of the Fund,
and to make  reasonable  efforts to sell Fund  shares so long as, in Lord Abbett
Distributor's judgment, a substantial distribution can be obtained by reasonable
efforts.


                                       11.
                                   Performance

The Fund computes the average  annual  compounded  rate of total return for each
class during specified  periods that would equate the initial amount invested to
the ending  redeemable  value of such  investment  by adding one to the computed
average  annual total return,  raising the sum to a power equal to the number of
years  covered by the  computation  and  multiplying  the result by one thousand
dollars which  represents a hypothetical  initial  investment.  The  calculation
assumes  deduction  of the  maximum  sales  charge  (as  described  in the  next
paragraph) from the amount invested and reinvestment of all income dividends and
capital gains  distributions on the reinvestment  dates at prices  calculated as
stated in the Prospectus.  The ending redeemable value is determined by assuming
a complete  redemption  at the end of the period  covered by the average  annual
total return computation.

In  calculating  total  returns for Class A shares,  the current  maximum  sales
charge of 5.75% (as a  percentage  of the offering  price) is deducted  from the
initial  investment (unless the return is shown at net asset value). For Class B
shares,  the payment of the applicable CDSC (5.0% prior to the first anniversary
of purchase, 4.0% prior to the second anniversary of purchase, 3.0% prior to the
third and fourth anniversaries of purchase,  2.0% prior to the fifth anniversary
of purchase,  1.0% prior to the sixth anniversary of purchase and no CDSC on and
after the sixth  anniversary  of purchase)  is applied to the Fund's  investment
result for that class for the time  period  shown  (unless  the total  return is
shown at net asset value).  For Class C shares,  the 1.0% CDSC is applied to the
Fund's  investment  result for that class for the time period shown prior to the
first  anniversary  of purchase  (unless the total  return is shown at net asset
value).  Total  returns  also  assume  that  all  dividends  and  capital  gains
distributions during the period are reinvested at net asset value per share, and
that the investment is redeemed at the end of the period.

                                       21
<PAGE>

Yield  quotation for each class is based on a 30-day period ended on a specified
date, computed by dividing our net investment income per share earned during the
period by the maximum  offering price per share of such Class on the last day of
the period.  This is  determined  by finding the  following  quotient:  take the
Class'  dividends  and  interest  earned  during the period  minus its  expenses
accrued for the period and divide by the product of (i) the average daily number
of shares of such Class  outstanding  during the period  that were  entitled  to
receive dividends and (ii) the maximum offering price per share of such Class on
the last day of the period.  To this quotient add one. This sum is multiplied by
itself  five  times.   Then  one  is   subtracted   from  the  product  of  this
multiplication  and the remainder is  multiplied  by two.  Yield for the Class A
shares reflects the deduction of the maximum initial sales charge,  but may also
be shown based on the Fund's net asset value per share. Yields for Class B and C
shares do not reflect the deduction of the CDSC.



                                       12.
                              Financial Statements
Not applicable.



<PAGE>



LORD
ABBETT    DELTA FUND


                                                                  CLASS Y SHARES
                                                                      PROSPECTUS
                                                                          , 2000





        THE FUND

               As with all mutual funds, the Securities and Exchange Commission
               has not approved or disapproved these securities or passed upon
               the adequacy of this prospectus. Any representation to the
               contrary is a criminal offense.

               Class Y shares of the Fund are neither offered to the general
               public nor are available in all states.  Please call 800-821-5219
               for further information



<PAGE>

                               Table of Contents


                                    The Fund

                                        Goal                           2
                What you should know    Principal Strategy             2
                      about the Fund    Main Risks                     2
                                        Performance                    3
                                        Fees and Expenses              3

                                 Your Investment

           Information for managing     Purchases                      4
                  your Fund account     Redemptions                    5
                                        Distributions and Taxes        5
                                        Services For Fund Investors    6
                                        Management                     6


                              For More Information

                  How to learn more     Other Investment Techniques    7
                     about the Fund     Glossary of Shaded Terms       8




                                        Back Cover


<PAGE>

Goal

     The Fund's investment objective is to seek long-term capital growth.

Principal Strategy

     To pursue its goal, the Fund invests primarily in companies it believes are
     best positioned to benefit from themes that generate  pervasive  changes in
     economic  infrastructure.  These themes may be the result of technological,
     social or cultural changes.  The Fund will be focused,  generally investing
     in one or two  themes  at a time.  To  identify  attractive  companies  for
     investment,  the Fund  uses a  "bottom  up"  investment  research  approach
     involving:

     o    thematic  research to examine product and  technological  innovations,
          demographics, social attitudes and lifestyles, legislative actions and
          similar  factors  and  trends  that may  benefit  particular  economic
          sectors, industries and companies

     o    fundamental research to learn about a company's operating environment,
          financial   condition,   leadership   position  within  its  industry,
          resources  and  strategic  plans  and  to  assess  its  prospects  for
          exceeding earnings expectations

     o    quantitative  research to identify  companies  with expected  earnings
          growth  potential and  consistency,  and those that are undervalued in
          the market

     The Fund also incorporates  business cycle analysis to determine how buying
     or selling  securities  changes the Fund's overall  sensitivity to economic
     and market conditions.

     Under normal circumstances,  the Fund will invest at least 65% of its total
     assets in equity  securities.  These  securities may include common stocks,
     convertible bonds,  convertible  preferred stocks and warrants of companies
     within a broad range of market  capitalizations.  Although the Fund invests
     primarily in companies with market  capitalizations of at least $1 billion,
     it may invest in  smaller  companies.  The Fund may also  invest in foreign
     securities.

     While typically fully invested, at times the Fund may invest temporarily in
     such short-term  fixed income  securities as U.S.  Government  obligations,
     commercial paper and repurchase  agreements.  This could reduce the benefit
     from any  upswing in the market and  prevent  the Fund from  achieving  its
     investment objective.

Main Risks

     The Fund is subject to the general risks and considerations associated with
     equity  investing.  The value of your investment will fluctuate in response
     to movements  in the stock market in general and to the changing  prospects
     of  individual  companies  in which the Fund  invests.  Different  types of
     stocks shift in and out of favor depending on market,  economic,  political
     or other conditions.  Some of the small-capitalized  companies in which the
     Fund may invest may be more volatile in price than larger issuers.  Smaller
     companies  may have  more  limited  product  lines,  markets  or  financial
     resources.  In  addition,  if the Fund's  focus on a  particular  theme for
     investment or its assessment of an economic  sector,  industry or company's
     potential for growth is wrong, the Fund could suffer losses or produce poor
     performance relative to other funds, even in a rising market.

     An  investment  in the Fund is not a bank  deposit  and is not  insured  or
     guaranteed  by the  Federal  Deposit  Insurance  Corporation  or any  other
     government  agency.  The Fund is not a complete  investment program and may
     not be appropriate for all investors.  You could lose money by investing in
     the Fund.

We or the Fund refers to Lord Abbett Delta Fund.

About the Fund. The Fund is a professionally managed portfolio primarily holding
securities purchased with the pooled money of investors. It strives to reach its
stated goal, although as with all funds, it cannot guarantee results.

Bottom-up  research  looks for expected  high  performing  stocks of  individual
companies before  considering the impact of economic trends.  Companies might be
identified  from  investment  research  analysis or personal  knowledge of their
products and services.  This approach  considers that a company can do well even
if it is part of a sector or industry that, as a whole, is not performing well.

You should read this entire prospectus, including "Other Investment Techniques,"
which concisely  describes the other investment  strategies used by the Fund and
their risks.

2 The Fund

<PAGE>

                                                                      Delta Fund

PERFORMANCE

     The Fund does not show any performance  because it has not completed a full
     calendar year of operations.

FEES AND EXPENSES

     This table  describes the fees and expenses that you may pay if you buy and
     hold shares of the Fund.

================================================================================
Fee Table

================================================================================
                                                                     Class Y

Shareholder Fees (Fees paid directly from your investment)
--------------------------------------------------------------------------------
Maximum Sales Charge on Purchases

--------------------------------------------------------------------------------
(as a % of offering price)                                             none
--------------------------------------------------------------------------------
Maximum Deferred Sales Charge                                          none
--------------------------------------------------------------------------------
Annual Fund Operating Expenses (Expenses deducted from Fund assets)
(as a % of average net assets)
--------------------------------------------------------------------------------
Management Fees (See "Management")
--------------------------------------------------------------------------------
Distribution (12b-1) and Service Fees

--------------------------------------------------------------------------------
Other Expenses

--------------------------------------------------------------------------------
Total Operating Expenses

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






================================================================================
Example

================================================================================
This  example is intended to help you compare the cost of  investing in the Fund
with the cost of investing in other mutual  funds.  This  example,  like that in
other funds'  prospectuses,  assumes that you invest $10,000 in the Fund for the
time  periods  indicated  and then redeem all of your shares at the end of those
periods. The example also assumes that your investment has a 5% return each year
and that the Fund's  operating  expenses  remain the same.  Although your actual
costs may be higher or lower, based on these assumptions your costs would be:

Share Class                                  1 Year                     3 Years
Class Y shares
--------------------------------------------------------------------------------


Management fees are payable to Lord, Abbett & Co. ("Lord Abbett") for the Fund's
investment management.

Other  expenses  include fees paid for  miscellaneous  items such as shareholder
service fees and professional fees.


                                                                      The Fund 3

<PAGE>

                                Your Investment

PURCHASES

     Class Y shares.  You may  purchase  Class Y shares  at the net asset  value
     ("NAV") per share next determined after we receive and accept your purchase
     order submitted in a proper form. No sales charges apply.

     We reserve the right to withdraw all or part of the  offering  made by this
     prospectus  or to reject any purchase  order.  We also reserve the right to
     waive or change minimum  investment  requirements.  All purchase orders are
     subject to our  acceptance  and are binding until  confirmed or accepted in
     writing.

     Who May Invest?  Eligible purchasers of Class Y shares include: (1) certain
     authorized  brokers,  dealers,  registered  investment  advisers  or  other
     financial institutions ("entities") who either (a) have an arrangement with
     Lord Abbett  Distributor in accordance with certain  standards  approved by
     Lord Abbett Distributor,  providing specifically for the use of our Class Y
     shares  in  particular  investment  products  made  available  for a fee to
     clients of such entities or (b) charge an advisory, consulting or other fee
     for their services and buy shares for their own accounts or the accounts of
     their  clients  ("Mutual  Fund Fee Based  Programs");  (2) the  trustee  or
     custodian under any deferred compensation or pension or profit-sharing plan
     or payroll  deduction IRA  established  for the benefit of the employees of
     any company  with an  account(s)  in excess of $10 million  managed by Lord
     Abbett  or  its  sub-advisers  on  a  private-advisory-account  basis;  (3)
     institutional investors, such as retirement plans, companies,  foundations,
     trusts,  endowments  and other entities where the total amount of potential
     investable  assets  exceeds $50 million  that were not  introduced  to Lord
     Abbett by persons  associated with a broker or dealer primarily involved in
     the retail  securities  business.  Additional  payments may be made by Lord
     Abbett out of its own resources with respect to certain of these sales.

     How Much Must You Invest?  You may buy our shares  through any  independent
     securities  dealer having a sales  agreement with Lord Abbett  Distributor,
     our exclusive  selling agent.  Place your order with your investment dealer
     or send the money to the Fund you selected (P.O.  Box 219100,  Kansas City,
     Missouri  64121).  The minimum initial  investment is $1 million except for
     Mutual Fund Fee Based Program,  which has no minimum.  This offering may be
     suspended,  changed or withdrawn by Lord Abbett  Distributor which reserves
     the right to reject any order.

     Buying Shares Through Your Dealer.  Orders for shares  received by the Fund
     prior to the close of the NYSE,  or received by dealers prior to such close
     and received by Lord Abbett  Distributor prior to the close of its business
     day, will be confirmed at NAV effective at such NYSE close. Orders received
     by dealers after the NYSE closes and received by Lord Abbett Distributor in
     proper form prior to the close of its next business day are executed at the
     NAV  effective as of the close of the NYSE on that next  business  day. The
     dealer is responsible for the timely  transmission of orders to Lord Abbett
     Distributor. A business day is a day on which the NYSE is open for trading.

     Buying Shares By Wire. To open an account,  call  800-821-5129  Ext. 34028,
     Institutional  Trade  Dept.,  to set up your  account and to arrange a wire
     transaction.  Wire to: United Missouri Bank of Kansas City,  N.A.,  Routing
     number - 101000695,  bank account number:  9878002611,  FBO: (account name)
     and (your Lord Abbett  account  number).  Specify the complete  name of the
     Fund,  note Class Y shares and  include  your new  account  number

NAV per  share  for the Fund is  calculated  each  business  day at the close of
regular  trading on the New York Stock  Exchange  ("NYSE"),  normally  4:00 p.m.
Eastern  Time.  Purchases  and sales of Fund shares are executed at the NAV next
determined  after the Fund receives  your order in proper form.  In  calculating
NAV,  securities  for which market  quotations are available are valued at those
quotations. Securities for which such quotations are not available are valued at
fair value under procedures approved by the Board.

Lord Abbett  Distributor LLC ("Lord Abbett  Distributor")  acts as agent for the
Fund to work with  investment  professionals  that buy and/or sell shares of the
Fund on behalf of their clients.  Generally,  Lord Abbett  Distributor  does not
sell Fund shares directly to investors.

Exchange  Limitations.  Exchanges should not be used to try to take advantage of
short-term swings in the market.  Frequent  exchanges create higher expenses for
the Funds. Accordingly, the Fund reserves the right to limit or ter- minate this
privilege  for  any  shareholder   making  frequent  exchanges  or  abusing  the
privilege.  The Fund also may revoke the privilege for all shareholders  upon 60
days' written notice.


4 Your Investment

<PAGE>

     and your name. To add to an existing account, wire to: United Missouri Bank
     of Kansas City,  N.A.,  routing  number - 101000695,  bank account  number:
     9878002611,  FBO:  (account  name) and (your Lord Abbett  account  number).
     Specify the complete name of the Fund, note Class Y shares and include your
     account number and your name.



REDEMPTIONS

     By Broker.  Call your  investment  professional  for  directions  on how to
     redeem your shares.

     By  Telephone.  To obtain the proceeds of a  redemption  of $50,000 or less
     from  your  account,  you or your  representative  can  call  the  Funds at
     800-821-5129.

     By Mail. Submit a written  redemption  request  indicating,  the name(s) in
     which the account is registered, the Fund's name, the class of shares, your
     account number, and the dollar value or number of shares you wish to sell.

     Include all necessary signatures. If the signer has any Legal Capacity, the
     signature and capacity must be guaranteed by an Eligible Guarantor. Certain
     other legal documentation may be required.  For more information  regarding
     proper documentation call 800-821-5129.

     Normally  a check  will be  mailed  to the name and  address  in which  the
     account is registered (or otherwise  according to your instruction)  within
     three business days after receipt of your redemption request.  Your account
     balance  must be  sufficient  to cover the amount  being  redeemed  or your
     redemption order will not be processed.  Under unusual circumstances,  each
     Fund may suspend redemptions, or postpone payment for more than seven days,
     as permitted by federal securities laws.

     By Wire. In order to receive funds by wire,  our servicing  agent must have
     the wiring  instructions  on file. To verify that this feature is in place,
     call 800-821-5129 Ext. 34028,  Institutional  Trading Dept.  (minimum wire:
     $1,000).  Your wire redemption  request must be received by the Fund before
     the close of the NYSE for money to be wired on the next business day.

DISTRIBUTIONS AND TAXES

     The Fund normally pays its  shareholders  dividends from its net investment
     income and  distributes  its net capital  gains (if any) as "capital  gains
     distributions" on an annual basis. Your distributions will be reinvested in
     your Fund unless you instruct the Fund to pay them to you in cash.  The tax
     status of distributions is the same for all shareholders  regardless of how
     long they have owned Fund shares or whether distributions are reinvested or
     paid in cash.

     Except in tax-advantaged accounts, any sale, redemption or exchange of Fund
     shares may be taxable to the shareholder.

     Information on the tax treatment of distributions,  including the source of
     dividends and  distributions of capital gains by the Funds,  will be mailed
     to shareholders each year.  Because everyone's tax situation is unique, you
     should  consult your tax adviser  regarding the treatment of  distributions
     under the federal,  state and local tax rules that apply to you, as well as
     the tax  consequences of gains or losses from the redemption or exchange of
     your shares.

Eligible Guarantor is any broker or bank that is a member of the medallion stamp
program.  Most major securities  firms and banks are members of this program.  A
notary public is not an Eligible Guarantor.


                                                               Your Investment 5

<PAGE>


SERVICES FOR FUND INVESTORS

AUTOMATIC SERVICES

     We offer the following shareholder services:

     Telephone  Exchange  Privilege.  Class Y shares may be exchanged  without a
     service  charge  for Class Y shares  of any  Eligible  Fund  among the Lord
     Abbett-sponsored funds.

     Account  Statements.  Every Lord  Abbett  investor  automatically  receives
     quarterly account statements.

     Householding. Shareholders with the same last name and address will receive
     a single copy of a prospectus and an annual or semi-annual  report,  unless
     additional reports are specifically requested in writing to the Fund.

     Account Changes. For any changes you need to make to your account,  consult
     your investment professional or call the Fund at 800-821-5129.

     Systematic  Exchange.  You or your investment  professional can establish a
     schedule of exchanges between the same classes of any Eligible Fund.



MANAGEMENT

     The Fund's  investment  adviser is Lord, Abbett & Co., located at 90 Hudson
     St.,  Jersey City, NJ 07302-3973.  Founded in 1929, Lord Abbett manages one
     of the  nation's  oldest  mutual fund  complexes,  with  approximately  $35
     billion in more than 40 mutual fund portfolios and other advisory accounts.
     For more  information  about the services Lord Abbett provides to the Fund,
     see the Statement of Additional Information.

     Lord  Abbett is entitled  to a monthly  management  fee based on the Fund's
     average daily net assets.  The fee is calculated  and payable  monthly.  In
     addition, the Fund pays all expenses not expressly assumed by Lord Abbett.

     Investment  Managers.  Lord Abbett uses a team of  investment  managers and
     analysts acting together to manage the Fund's investments.

     (Information on team members and their backgrounds
     to be supplied)

Telephone Transactions. You have this privilege unless you refuse it in writing.
For your security,  telephone  transaction  requests are recorded.  We will take
measures to verify the  identity  of the  caller,  such as asking for your name,
account  number,  social  security or taxpayer  identification  number and other
relevant  information.  The Fund will not be liable for  following  instructions
communicated by telephone that it reasonably believes to be genuine.

Transactions  by  telephone  may be  difficult  to implement in times of drastic
economic or market change.



6 Your Investment

<PAGE>

For More Information

OTHER INVESTMENT TECHNIQUEs

     This section describes some of the investment techniques that might be used
     by the Fund and their risks.

     Adjusting  Investment  Exposure.  The Fund may, but is not required to, use
     various strategies to change its investment  exposure to adjust to changing
     security prices,  interest rates, currency exchange rates, commodity prices
     and other factors.  The Fund may use these  transactions to change the risk
     and return  characteristics  of the Fund's  portfolio.  If we judge  market
     conditions  incorrectly or use a strategy that does not correlate well with
     the Fund's  investments,  it could result in a loss, even if we intended to
     lessen  risk or enhance  returns.  These  transactions  may involve a small
     investment  of cash compared to the magnitude of the risk assumed and could
     produce disproportionate gains or losses.

     Foreign  Securities.  The Fund may  invest  up to 10% of its net  assets in
     foreign  securities  which are primarily  traded outside the United States.
     Foreign markets may not be subject to the same degree of regulation as U.S.
     markets. Securities clearance,  settlement procedures and trading practices
     may be different, and transaction costs higher, in foreign countries. There
     may be less trading volume and liquidity in foreign markets, subjecting the
     securities traded in them to higher price fluctuations. Foreign investments
     also may be affected by changes in currency rates or currency controls.

     Futures Contracts and Options on Futures Contracts. The Fund may enter into
     financial futures contracts and related options  transactions for bona fide
     hedging   purposes  or  to  pursue  risk   management   strategies.   These
     transactions  involve  the  purchase or sale of a contract to buy or sell a
     specified  financial  instrument at a specific  future date and price on an
     exchange or in over the counter market  ("OTC").  The Fund may not purchase
     or sell  futures  contracts,  options  on futures  contracts  or options on
     currencies  traded on a  CFTC-regulated  exchange for non-bona fide hedging
     purposes  if  the  aggregated  initial  margin  and  premiums  required  to
     establish such positions  would exceed 5% of the  liquidation  value of the
     Fund's portfolio,  after taking into account  unrealized profits and losses
     on any such  contracts  it has entered  into,  after  taking  into  account
     unrealized  profits  and  unrealized  losses on any such  contracts  it has
     entered into.

     Options Transactions.  The Fund may purchase and write put and call options
     on equity securities that are traded on national securities exchanges.  The
     Fund will not  purchase  an option if, as a result of such  purchase,  more
     than  10% of its  total  assets  would be  invested  in  premiums  for such
     options.  The Fund may only sell (write)  covered put options to the extent
     that cover for such options does not exceed 15% of its net assets. The Fund
     may only sell (write)  covered  call  options.  Having an aggregate  market
     value of less than 25% of its total assets.

     Risks  of  Futures   Contracts   and  Options   Transactions.   The  Fund's
     transactions,  if any,  in futures,  options on futures  and other  options
     involve additional risk of loss. Loss may result from a lack of correlation
     between changes in the value of these derivative instruments and the Fund's
     assets  being  hedged,  the  potential   illiquidity  of  the  markets  for
     derivative  instruments,  or the risks arising from margin requirements and
     related  leverage  factors  associated with such  transactions.  The use of
     these  investment  techniques

                                                          For More Information 7

<PAGE>

     also  involves  the  risk  of  loss  if Lord  Abbett  is  incorrect  in its
     expectation of fluctuations  in securities  prices.  In addition,  the loss
     that may be incurred by the Fund in entering into futures  contracts and in
     writing call options is potentially  unlimited and may exceed the amount of
     any premium received.

GLOSSARY OF SHADED TERMS

     Eligible Fund. An Eligible Fund is any Lord  Abbett-sponsored fund offering
     Class Y shares.

     Legal  Capacity.  This term refers to the authority of an individual to act
     on behalf of an entity or other  person(s).  For  example,  if a redemption
     request were to be made on behalf of the estate of a deceased  shareholder,
     John W. Doe, by a person  (Robert A. Doe) who has the legal capacity to act
     for the estate of the  deceased  shareholder  because he is the executor of
     the estate,  then the request  must be executed as follows:  Robert A. Doe,
     Executor of the Estate of John W. Doe. That  signature  using that capacity
     must be guaranteed by an Eligible Guarantor.

     To give another example,  if a redemption request were to be made on behalf
     of the ABC Corporation by a person (Mary B. Doe) who has the legal capacity
     to act on behalf of the  Corporation,  because she is the  president of the
     corporation,  the request must be executed as follows:  ABC  Corporation by
     Mary  B.  Doe,  President.  That  signature  using  that  capacity  must be
     guaranteed by an Eligible Guarantor (see example in right column).

     Mutual Fund Fee Based Program.  Certain  unaffiliated  authorized  brokers,
     dealers,  registered  investment  advisers or other financial  institutions
     ("entities")   who  either  (1)  have  an  arrangement   with  Lord  Abbett
     Distributor in accordance  with certain  standards  approved by Lord Abbett
     Distributor,  providing  specifically  for  the  use  of  our  shares  (and
     sometimes providing for acceptance of orders for such shares on our behalf)
     in particular  investment  products made  available for a fee to clients of
     such entities, or (2) charge an advisory, consulting or other fee for their
     services  and buy shares for their own  accounts  or the  accounts of their
     clients.


GUARANTEED SIGNATURE. An acceptable form of guarantee would be as follows:

  In the case of the estate --

    Robert A. Doe
    Executor of the Estate of
    John W. Doe

    [Date]

             SIGNATURE GUARANTEED
             MEDALLION GUARANTEED
              NAME OF GUARANTOR

            [SIGNATURE ILLEGIBLE]
--------------------------------------------------
                            AUTHORIZED SIGNATURE
(960)                            X 9 6 0 3 4 7 0
SECURITIES TRANSFER AGENTS MEDALLION PROGRAM'sm'
                                              SR

  In the case of the corporation --
  ABC Corporation

    Mary B. Doe

    By Mary B. Doe, President

    [Date]

             SIGNATURE GUARANTEED
             MEDALLION GUARANTEED
              NAME OF GUARANTOR

            [SIGNATURE ILLEGIBLE]
--------------------------------------------------
                            AUTHORIZED SIGNATURE
(960)                            X 9 6 0 3 4 7 0
SECURITIES TRANSFER AGENTS MEDALLION PROGRAM'sm'
                                              SR


8 For More Information

<PAGE>



                      [THIS PAGE INTENTIONALLY LEFT BLANK]



<PAGE>



                      [THIS PAGE INTENTIONALLY LEFT BLANK]


<PAGE>



     More information on the Fund is available free upon request,  including the
     following:

ANNUAL/SEMI-ANNUAL REPORT

     Describes the Fund, lists portfolio holdings and contains a letter from the
     Fund's  manager   discussing   recent  market  conditions  and  the  Fund's
     investment strategies.

STATEMENT OF ADDITIONAL INFORMATION ("SAI")
     Provides more details about the Fund and its policies.  A current SAI is on
     file  with  the   Securities  and  Exchange   Commission   ("SEC")  and  is
     incorporated by reference (is legally considered part of this prospectus).



To obtain information:

By telephone.  Call the Fund at:
800-426-1130

By mail.  Write to the Fund at:
The Lord Abbett Family of Funds
90 Hudson Street
Jersey City, NJ 07302-3973

Via the Internet.
Lord, Abbett & Co.

www.lordabbett.com
Text only versions of Fund documents
can be viewed online or
downloaded from:

SEC

www.sec.gov

You can also obtain copies by
visiting the SEC's Public Reference Room in Washington, DC (phone
202-942-8090) or by sending your request and a duplicating fee to
the SEC's Public Reference Section, Washington, DC 20549-6009 or by sending your
request electronically to [email protected].










     Lord Abbett Delta Fund

     90 Hudson Street                                           LAD-Y-1-900
     Jersey City, NJ 07302-3973                                 (10/00)
--------------------------------------------------------------------------------
     SEC file number: 811-?


<PAGE>


LORD ABBETT

Statement of Additional Information                           December    , 2000

                                   LORD ABBETT
                                   Delta Fund
                                 Class Y Shares


This Statement of Additional  Information is not a Prospectus.  A Prospectus for
the  Class Y  shares  of Lord  Abbett  Delta  Fund  may be  obtained  from  your
securities   dealer  or  from  Lord  Abbett   Distributor   LLC  ("Lord   Abbett
Distributor")  at 90 Hudson St.,  Jersey City, NJ 07302-3973.  This Statement of
Additional  Information  relates to, and should be read in conjunction with, the
Prospectus dated December , 2000.

Shareholder  inquiries  should  be made by  directly  contacting  the Fund or by
calling 800-821-5129. In addition, you can make inquiries through your dealer.


       TABLE OF CONTENTS                                    PAGE

       1.       Fund History                                         2
       2.       Investment Policies                                  2
       3.       Management of the Fund                               6
       4.       Control Persons and Principal Holders of Securities  10
       5.       Investment Advisory and Other Services               10
       6.       Brokerage Allocations and Other Practices            11
       7.       Capital Stock & Other Securities                     12
       8.       Purchase, Redemption & Pricing                       12
       9.       Taxation of the Fund                                 13
       10.      Underwriter                                          14
       11.      Performance                                          15
       12.      Financial Statements                                 15


                                       1

<PAGE>

                                       1.
                                  Fund History

The Lord Abbett Delta Fund (the  "Fund") is a  diversified  open-end  management
investment  company  registered  under the  Investment  Company Act of 1940,  as
amended (the "Act").  The Fund was formed as a business trust under Delaware law
on October 2, 2000.  The Fund offers five  classes of shares:  Class A, Class B,
Class C,  Class P, and  Class Y.  Only the  Fund's  Class Y is  offered  in this
Statement of Additional Information.


                                       2.
                               Investment Policies

Fundamental  Investment  Restrictions.  The  Fund is  subject  to the  following
fundamental investment restrictions, which cannot be changed without approval of
a majority of the Fund's outstanding shares.

The Fund may not:

     (1)  borrow  money,   issue  senior  securities  or  mortgage,   pledge  or
          hypothecate its assets except to the extent permitted under the Act;

     (2)  engage in the  underwriting of securities,  except to the extent that,
          in connection with the  disposition of its portfolio  securities or as
          otherwise  permitted  under  applicable law, it may be deemed to be an
          underwriter under federal securities laws;

     (3)  invest  more  than  25%  of  the  value  of its  total  assets  in the
          securities   of  issuers  in  any   particular   industry   (excluding
          obligations  issued or guaranteed by the U.S.  Government,  any state,
          territory or possession of the United States, the District of Columbia
          or any of their authorities, agencies,  instrumentalities or political
          subdivisions);

     (4)  buy or sell real estate (except that the Fund may invest in securities
          directly or indirectly  secured by real estate or interests therein or
          issued by companies which invest in real estate or interests  therein)
          or commodities or commodity  contracts  (except to the extent the Fund
          may do so in accordance with applicable law and without registering as
          a commodity  pool operator  under the  Commodity  Exchange Act as, for
          example, with futures contracts);

     (5)  make  loans,  except that the  acquisition  of or  investment  in debt
          securities,  repurchase agreements or similar instruments shall not be
          subject to this restriction, and except further that the Fund may lend
          its  portfolio  securities,  provided  that the  lending of  portfolio
          securities may be made only in accordance with applicable law; and

     (6)  with respect to 75% of the value of the total assets of the Fund,  (i)
          buy  securities  of any one  issuer  representing  more than 5% of the
          value of its total assets,  except  securities issued or guaranteed by
          the U.S.  Government,  its agencies or  instrumentalities  or (ii) own
          more than 10% of the voting securities of such issuer.


Compliance with the investment restrictions above will be determined at the time
of purchase or sale of the portfolio.

                                       2

<PAGE>


Non-Fundamental  Investment  Restrictions.  In addition  to the  policies in the
Prospectus and the investment restrictions above which cannot be changed without
shareholder  approval,  the Fund is  subject  to the  following  non-fundamental
investment  policies  which  may be  changed  by the Board of  Trustees  without
shareholder approval.

The Fund may not:

     (1)  make short sales of securities or maintain a short position  except to
          the extent permitted by applicable law;

     (2)  invest  knowingly  more  than  15% of its net  assets  (at the time of
          investment) in illiquid securities,  except for securities  qualifying
          for resale under Rule 144A of the Securities Act of 1933 ("Rule 144A")
          deemed to be liquid by the Board of Trustees;

     (3)  invest in the securities of other  investment  companies as defined in
          the Act, except as permitted by applicable law;

     (4)  write,   purchase  or  sell  puts,   calls,   straddles,   spreads  or
          combinations  thereof,  except to the extent  permitted  in the Fund's
          Prospectus  and  statement of additional  information,  as they may be
          amended from time to time; and

     (5)  buy from or sell to any of the Fund's officers,  trustees,  employees,
          or its  investment  adviser  any  securities  other than shares of the
          Fund.


Additional  Information on Portfolio  Risks,  Investments  and  Techniques.  The
following  sections provide further  information on certain types of investments
and  investment  techniques  that  may be  used  by the  Fund,  including  their
associated risks.

Borrowings.  The Fund may borrow money for temporary or emergency  purposes from
banks and other financial institutions in amounts not exceeding one-third of its
total assets.

Convertible   Securities.   The  Fund  may  invest  in  convertible  securities.
Convertible  securities  are  preferred  stocks  or debt  obligations  that  are
convertible  into common stock.  They generally offer lower interest or dividend
yields  than   non-convertible   securities  of  similar  quality.   Convertible
securities  have both  equity and fixed  income risk  characteristics.  Like all
fixed income securities,  the value of convertible  securities is susceptible to
the risk of market losses attributable to changes in interest rates.  Generally,
the market value of  convertible  securities  tends to decline as interest rates
increase and, conversely,  to increase as interest rates decline.  However, when
the market price of the common stock  underlying a convertible  security exceeds
the conversion price of the convertible security, the convertible security tends
to reflect the market price of the underlying  common stock. As the market price
of the underlying common stock declines, the convertible security,  like a fixed
income security, tends to trade increasingly on a yield basis, and thus, may not
decline in price to the same extent as the underlying common stock.

Depository  Receipts.  The Fund may invest in sponsored and unsponsored American
Depository Receipts ("ADRs") and similar depository  receipts.  ADRs,  typically
issued by a financial institution (a "depository"), evidence ownership interests
in a security or a pool of securities  issued by a foreign  issuer and deposited
with the  depository.  Prices of ADRs are quoted in U.S.  dollars,  and ADRs are
traded in the United States.

Equity Securities. As stated in the Prospectus, under normal circumstances,  the
Fund  invests  at least 65% of its total  assets  in  equity  securities.  These
include common stocks, preferred stocks, convertible securities, warrants, stock
purchase rights, and similar instruments.  Common and preferred stocks represent
an ownership  interest in a corporation.  In general,  stock values fluctuate in
response to the  activities of  individual  companies and in response to general
market and economic  conditions.  Accordingly,  the value of the stocks that the
Fund holds may decline over short or extended periods. The stock markets tend to
be cyclical,  with periods of generally rising stock prices and other periods of
generally  declining prices.  The volatility of equity securities means that the
value of an  investment  in the Fund may  increase or  decrease.  As of the date
hereof,  certain  stock  markets were trading at or close to record high levels.
There can be no guarantee that such levels will continue.



                                       3
<PAGE>

Foreign  Securities.  The Fund may invest up to 10% of its net assets in foreign
securities  which are  primarily  traded  outside  the  United  States.  Foreign
investments  involve  special risks that are not typically  associated with U.S.
dollar denominated or quoted securities of U.S. issuers. Foreign investments may
be  affected by changes in currency  rates,  changes in foreign or U.S.  laws or
restrictions  applicable  to such  investments  and changes in exchange  control
regulations  (i.e.,  currency  blockage).  A decline in the exchange rate of the
currency (i.e.,  weakening of the currency  against the U.S.  dollar) in which a
portfolio  security is quoted or denominated  relative to the U.S.  dollar would
reduce the value of the portfolio security.

Brokerage commissions, custodial services and other costs relating to investment
in  international  securities  markets  generally are more expensive than in the
United States.  Clearance and settlement  procedures may be different in foreign
countries and, in certain markets, such procedures have been unable to keep pace
with the volume of securities transactions,  thus making it difficult to conduct
such transactions.

Foreign issuers are not generally  subject to uniform  accounting,  auditing and
financial  reporting  standards  comparable to those applicable to U.S. issuers.
There may be less publicly  available  information  about a foreign  issuer than
about a U.S. issuer. In addition,  there is generally less government regulation
of foreign markets,  companies and securities dealers than in the United States.
Foreign  securities  markets  may  have  substantially  less  volume  than  U.S.
securities  markets and  securities of many foreign  issuers are less liquid and
more volatile than securities of comparable domestic issuers.  The Fund may hold
foreign  securities which trade on days when the Fund does not sell shares. As a
result,  the value of the  Fund's  portfolio  securities  may  change on days an
investor  may not be able to  purchase or redeem Fund  shares.  With  respect to
certain  foreign   countries,   there  is  a  possibility  of   nationalization,
expropriation or confiscatory taxation, imposition of withholding or other taxes
on dividend or interest payments (or, in some cases, capital gains), limitations
on the removal of funds or other  assets of the Fund,  and  political  or social
instability or diplomatic  developments  which could affect investments in those
countries.

Futures  Contracts  and  Options  on  Futures  Contracts.  Although  the Fund is
authorized  to  engage  in  futures  and  options  on  futures  transactions  in
accordance  with its  investment  objective  and  policies,  it currently has no
intention to do so.

Futures  contracts are standardized  exchange-traded  contracts that provide for
the sale or purchase of a specified  financial  instrument at a future time at a
specified  price. An option on a futures  contract gives the purchaser the right
(and the writer of the option the  obligation) to assume a position in a futures
contract at a specified  exercise  price within a specified  period of time.  In
addition to incurring fees in connection  with futures and options,  an investor
is required to maintain margin deposits.  At the time of entering into a futures
transaction or writing an option, an investor is required to deposit,  on behalf
of the broker, a specified amount of cash or eligible securities called "initial
margin."  The  required  initial  margin  is set by the  exchange  on which  the
contract  is traded  although  the  broker  can  require  an  increased  amount.
Subsequent payments,  called "variation margin," to and from the broker are made
on a  daily  basis  as the  market  price  of the  futures  contract  or  option
fluctuates.

The Fund may purchase and sell  futures  contracts,  and purchase and write call
and put options on futures contracts, for bona fide hedging purposes,  including
to hedge against changes in interest rates,  securities prices, or to the extent
the Fund invests in foreign securities,  currency exchange rates, or in order to
pursue risk  management  strategies,  including  gaining  efficient  exposure to
markets and minimizing  transaction  costs. The Fund may also enter into closing
purchase and sale transactions  with respect to such contracts and options.  The
Fund may not purchase or sell futures contracts, options on futures contracts or
options on  currencies  traded on a  CFTC-regulated  exchange for non-bona  fide
hedging  purposes if the  aggregated  initial  margin and  premiums  required to
establish such positions would exceed 5% of the liquidation  value of the Fund's
portfolio,  after taking into account  unrealized profits and losses on any such
contracts it has entered into, after taking into account  unrealized profits and
unrealized losses on any such contracts it has entered into.


Futures contracts and options on futures contracts present the following risks:

     o    While  the  Fund  may  benefit  from the use of  futures  and  related
          options, unanticipated changes in interest rates, securities prices or
          currency exchange rates may result in poorer overall  performance than
          if the Fund  had not  entered  into any  futures  or  related  options
          transaction.


                                       4
<PAGE>

     o    Because perfect correlation between a futures position and a portfolio
          position  that is intended to be protected is  impossible  to achieve,
          the desired protection may not be obtained and the Fund may be exposed
          to additional risk of loss.

     o    The loss that the Fund may incur in entering  into  futures  contracts
          and in writing call options on futures is  potentially  unlimited  and
          may exceed the amount of the premium received.

     o    Futures  markets  are  highly  volatile  and  the use of  futures  may
          increase the volatility of the Fund's NAV.

     o    As a result of the low margin  deposits  normally  required in futures
          and options on futures trading, a relatively small price movement in a
          contract may result in substantial losses to the Fund.

     o    Futures  contracts and related options may be illiquid,  and exchanges
          may limit fluctuations in futures contract prices during a single day.

Illiquid Securities. The Fund may invest up to 15% of its net assets in illiquid
securities,  which cannot be disposed of in seven days in the ordinary course of
business at fair value. Illiquid securities include:

     o    Domestic and foreign securities that are not readily marketable.

     o    Repurchase agreements and time deposits with a notice or demand period
          of more than seven days.

     o    Certain  restricted  securities,  unless  the  Board of  Trustees  has
          determined,  based upon a review of the trading markets for a specific
          restricted  security,  that such  restricted  security is eligible for
          resale  pursuant to Rule 144A under the  Securities Act of 1933 ("144A
          Securities") and, therefore, is liquid.

Securities may be resold to a qualified institutional buyer without registration
and without regard to whether the seller  originally  purchased the security for
investment.  Investing in 144A  Securities  may  decrease  the  liquidity of the
Fund's portfolio to the extent that qualified  institutional buyers become for a
time  uninterested  in  purchasing  these  securities.  The  purchase  price and
subsequent  valuation of restricted and illiquid  securities  normally reflect a
discount,  which  may be  significant,  from  the  market  price  of  comparable
securities for which a liquid market exists.

Investment  Companies.  The Fund may invest in  securities  of other  investment
companies  subject  to  limitations  prescribed  by the Act.  These  limitations
include a prohibition on the Fund acquiring more than 3% of the voting shares of
any other investment company, and a prohibition on investing more than 5% of the
Fund's total assets in securities of any one investment company or more than 10%
of its total assets in securities  of all  investment  companies.  The Fund will
indirectly  bear its  proportionate  share  of any  management  fees  and  other
expenses paid by the investment  companies in which it invests.  Such investment
companies   will  have   investment   objectives,   policies  and   restrictions
substantially  similar to those of the Fund and will be subject to substantially
the same risks.

Lending of Portfolio  Securities.  Although the Fund has no current intention of
doing so, it is  authorized  to engage in  securities  lending to  increase  its
income.  Securities lending involves the lending of securities owned by the Fund
to financial  institutions  such as certain  broker-dealers.  The  borrowers are
required to secure their loan  continuously  with cash, cash  equivalents,  U.S.
government  securities  or letters of credit in an amount at least  equal to the
market value of the securities  loaned.  Cash collateral may be invested in cash
equivalents.  To the extent that cash collateral is invested in other investment
securities,   such  collateral  will  be  subject  to  market   depreciation  or
appreciation,  and the Fund will be  responsible  for any loss that might result
from its investment of the borrowers' collateral.  The Fund may experience delay
in the recovery of its  securities  if the  borrowing  institution  breaches its
agreement  with the  Fund.  If the  investment  manager  decides  to  engage  in
securities loan transactions,  the value of the securities loaned may not exceed
one-third  of the value of the  total  assets  of the Fund  (including  the loan
collateral).


                                       5
<PAGE>

Options on Securities  Transactions.  The Fund may engage in option transactions
in accordance with its investment  objective and policies  although it currently
does not intend to do so. The Fund may  purchase  and write  (sell) put and call
options on equity securities that are traded on national  securities  exchanges.
The Fund will not purchase an option if, as a result of such purchase, more than
10% of its total assets would be invested in premiums for such options. The Fund
may write  (sell)  covered put options to the extent that cover for such options
does not exceed 15% of its net assets.  The Fund may write  (sell)  covered call
options having an aggregate market value of less than 25% of its net assets.

A put option gives the purchaser of the option the right to sell,  and obligates
the writer to buy, the  underlying  securities at the exercise price at any time
during the option period. A put option is covered when, among other things,  the
Fund  segregates  permissible  liquid  assets having a value equal to or greater
than the  exercise  price of the option to fulfill  the  obligation  undertaken.
Writing listed put options may be a useful  portfolio  investment  strategy when
the Fund has cash or other  reserves  available  for  investment  as a result of
sales of Fund shares or when the  investment  manager  believes a more defensive
and less fully invested position is desirable in light of market conditions.

A call option gives the  purchaser of the option the right to buy, and obligates
the writer to sell, the underlying  securities at the exercise price at any time
during the option  period.  When the Fund writes a covered call option,  it owns
the underlying  security or has an absolute and immediate  right to acquire that
security,  without additional cash consideration.  The Fund generally intends to
write listed covered call options during periods when it anticipates declines in
the market values of portfolio securities.

The  purchase  and  writing of options is a highly  specialized  activity  which
involves  special  investment  risks.   Options  may  be  used  for  hedging  or
cross-hedging purposes, or to seek to increase total return (which is considered
a speculative  activity).  The successful use of options  depends in part on the
ability of the investment  manager to manage future price  fluctuations  and the
degree of  correlation  between  the  options  and  securities  markets.  If the
investment  manager is incorrect in its  expectation of changes in market prices
or determination of the correlation  between the securities on which options are
based and the Fund's  portfolio  securities,  the Fund may incur  losses that it
would not  otherwise  incur.  The use of options  can also  increase  the Fund's
transaction costs.

Preferred  Stock,  Warrants and Rights.  The Fund may invest in preferred stock,
warrants and rights. Preferred stocks are securities that represent an ownership
interest  providing  the holder with claims on the issuer's  earnings and assets
before common  stockholders but after bond owners.  Unlike debt securities,  the
obligations  of an issuer  of  preferred  stock,  including  dividend  and other
payment  obligations,  may not typically be  accelerated  by the holders of such
preferred stock on the occurrence of an event of default or other non-compliance
by the issuer of the preferred stock.

Warrants  are  options  to buy a stated  number of  shares of common  stock at a
specified price at any time during the life of the warrant.  Rights  represent a
privilege  offered  to  holders  of  record of issued  securities  to  subscribe
(usually on a pro rata basis) for additional  securities of the same class, of a
different  class or of a  different  issuer,  as the case may be. The holders of
warrants  and rights have no voting  rights,  receive no  dividends  and have no
rights with respect to the assets of the issuer. The value of a warrant or right
may not necessarily change with the value of the underlying securities. Warrants
and  rights  cease  to have  value  if they  are not  exercised  prior  to their
expiration date.

Short-Term Fixed Income Securities. The Fund is authorized to invest temporarily
in various  short-term fixed income  securities.  Such securities may be used to
invest  uncommitted  cash balances,  to maintain  liquidity to meet  shareholder
redemptions,  or to take a temporary defensive position against market declines.
These securities include:


     o    Obligations   of  the   U.S.   Government   and   its   agencies   and
          instrumentalities

     o    Commercial paper

     o    Bank certificates of deposit and time deposits

     o    Bankers' acceptances

     o    Repurchase agreements collateralized by these securities.


                                       6
<PAGE>


                                       3.
                             Management of the Fund

The Board of  Trustees  of the Fund is  responsible  for the  management  of the
business and affairs of the Fund.

The  following  Trustee is the  managing  partner of Lord,  Abbett & Co.  ("Lord
Abbett"),  90 Hudson  Street,  Jersey City, New Jersey  07302-3973.  He has been
associated  with  Lord  Abbett  for  over  five  years  and is also an  officer,
director, or trustee of thirteen other Lord Abbett-sponsored funds.

*Robert S. Dow, age 55, Chairman and President

* Mr. Dow is an "interested person" as defined in the Act.

The following  outside Trustees are also directors or trustees of thirteen other
Lord Abbett-sponsored funds referred to above.

E. Thayer Bigelow, Trustee
245 Park Avenue, Suite 2414
New York, New York

Senior Adviser, Time Warner Inc. (since 1998); Acting Chief Executive Officer of
Courtroom  Television  Network  (1997 - 1998).  President  and  Chief  Executive
Officer of Time Warner Cable Programming, Inc. (1991 - 1997). Age 59.

William H.T. Bush, Trustee
Bush-O'Donnell & Co., Inc.
101 South Hanley Road, Suite 1025
St. Louis, Missouri

Co-founder   and   Chairman  of  the  Board  of  financial   advisory   firm  of
Bush-O'Donnell & Company (since 1986). Age 62.

Robert B. Calhoun, Jr., Trustee
Monitor Clipper Partners
650 Madison Avenue, 9th Floor
New York, New York

Managing  Director of Monitor Clipper Partners (since 1997) and President of The
Clipper Group L.P., both private equity investment funds (since 1990). Age 57.

Stewart S. Dixon, Trustee
Wildman, Harrold, Allen & Dixon
225 W. Wacker Drive (Suite 2800)
Chicago, Illinois

Partner in the law firm of Wildman, Harrold, Allen & Dixon (since 1990). Age 69.

John C. Jansing, Trustee
162 S. Beach Road
Hobe Sound, Florida

Retired. Former Chairman of Independent Election Corporation of America, a proxy
tabulating firm. Age 74.


                                       7
<PAGE>

C. Alan MacDonald, Trustee
415 Round Hill Road
Greenwich, Connecticut

President  of  Club  Management  Co.,  LLC,   consultants  on  golf  development
management  (since 1999);  Managing  Director of The Directorship  Group Inc., a
consultancy in board management and corporate  governance  (1997-1999);  General
Partner of The Marketing Partnership,  Inc., a full service marketing consulting
firm (1995-1997). Age 67.

Hansel B. Millican, Jr., Trustee
The Rochester Button Co.
1350 Broadway (Suite 1906)
New York, New York

President and Chief Executive  Officer of Rochester Button Company (since 1991).
Age 72.

Thomas J. Neff, Trustee
Spencer Stuart, U.S.
277 Park Avenue
New York, New York

Chairman of Spencer  Stuart U.S.,  an executive  search  consulting  firm (since
1976). Age 62.


Compensation Disclosure
The   following   table   summarizes   the   compensation   for   each   of  the
Directors/Trustees for the Fund and for all Lord Abbett-sponsored funds.

The second column of the following table sets forth the compensation  accrued by
the Fund for outside  directors.  The third column sets forth  information  with
respect to the benefits accrued by all Lord  Abbett-sponsored  funds for outside
directors/trustees  under the Fund's  retirement  plans,  which were  terminated
effective October 31, 2000. The fourth column sets forth the total  compensation
paid by all Lord Abbett-sponsored funds to the outside  directors/trustees,  and
amounts payable but deferred at the option of the director/trustee, but does not
include amounts accrued under the third column. No director/trustee of the funds
associated   with  Lord  Abbett  and  no  officer  of  the  funds  received  any
compensation from the funds for acting as a director/trustee or officer.

<TABLE>
<CAPTION>

                           For the Fiscal Year July 31


       (1)                 (2)                       (3)                        (4)

                                                     Equity-Based               For Year Ended
                                                     Retirement Benefits        December 31, 1999
                                                     Accrued by the             Total Compensation
                           Aggregate                 Fund and                   Paid by the Fund and
                           Compensation              Thirteen Other Lord        Thirteen Other Lord
                           Accrued by                Abbett-sponsored           Abbett-sponsored
Name of Trustee            the Fund/1                Funds/2                    Funds/3
---------------            ----------------          -------------------        ------------------------
<S>                       <C>                       <C>                        <C>
E. Thayer Bigelow          New Fund                  $17,622                    $57,720
William H.T. Bush          New Fund                  $15,846                    $58,000
Robert B. Calhoun, Jr.     New Fund                  $12,276                    $57,000
Stewart S. Dixon           New Fund                  $32,420                    $58.500
John C. Jansing            New Fund                  $41,108 (4)                $57,250
C. Alan MacDonald          New Fund                  $26,763                    $57,500
Hansel B. Millican, Jr.    New Fund                  $37,822                    $57,500
Thomas J. Neff             New Fund                  $20,313                    $59,660
</TABLE>


                                       8
<PAGE>

1.   Outside  directors'/trustees' fees, including attendance fees for board and
     committee  meetings,  are allocated among all Lord  Abbett-sponsored  funds
     based on the net assets of each fund.  A portion of the fees payable by the
     Fund to its outside  directors/trustees  may be deferred at the option of a
     director/trustee under an equity-based (the "equity-based plan") that deems
     the  deferred  amounts  to be  invested  in  shares  of the Fund for  later
     distribution to the  directors/trustees.  Effective  November 1, 2000, each
     director/trustee  will receive an additional  annual  $25,000  retainer the
     full  amount of which must be deferred  under the  equity-based  plan.  The
     amounts   ultimately   received   by  the   directors/trustees   under  the
     equity-based plan will be directly linked to the investment  performance of
     the funds.  Since the Fund is new, no compensation has yet been paid to its
     Trustee.

2.   The amounts in Column 3 were accrued by the Lord Abbett-sponsored funds for
     the 12  months  ended  July 31,  2000.  In  1996,  the  equity-based  plans
     superseded  the  retirement  plans  for  all  directors/trustees,  although
     accruals continued under the retirement plan until October 31, 2000. All of
     the current  directors/trustees  elected to convert their accrued  benefits
     under the retirement  plan into amounts  deemed  invested in shares of Lord
     Abbett-sponsored funds.

3.   The    fourth    column    shows    aggregate    compensation,    including
     directors'/trustees'  fees and  attendance  fees for  board  and  committee
     meetings,  of a nature  referred  to in footnote  one,  accrued by the Lord
     Abbett-sponsored  funds during the year ended December 31, 1999,  including
     fees  directors/trustees have chosen to defer, but does not include amounts
     accrued under the equity-based plans and shown in Column 3.

4.   Except where indicated,  the following  executive officers of the Fund have
     been  associated  with Lord  Abbett for over five  years.  Messrs.  Carper,
     Hilstad,  and Morris and Ms.  Binstock  are  partners of Lord  Abbett;  the
     others are employees. None have received compensation from the Fund.


Executive Vice President:   (To be determined)



Vice Presidents:

Joan A. Binstock,  age 46 (with Lord Abbett since 1999, formerly Chief Operating
Officer of Morgan Grenfell from 1996 to 1999, prior thereto Principal of Ernst &
Young LLP)

Daniel E. Carper, age 48

Paul A. Hilstad, age 57, Vice President and Secretary

Lawrence  H.  Kaplan,  age 43 (with  Lord  Abbett  since  1997 -  formerly  Vice
President and Chief Counsel of Salomon  Brothers Asset Management Inc. from 1995
to 1997,  prior thereto Senior Vice  President,  Director and General Counsel of
Kidder Peabody Asset Management, Inc.)

Robert G. Morris, age 55

A. Edward Oberhaus, age 40

Tracie E. Richter,  age 32 (with Lord Abbett since 1999, formerly Vice President
- Head of Fund  Administration  of  Morgan  Grenfell  from  1998 to  1999,  Vice
President of Bankers  Trust from 1996 to 1998,  prior  thereto Tax  Associate of
Goldman Sachs).

Christina T. Simmons,  age 42 (with Lord Abbett since 1999,  formerly  Assistant
General  Counsel of  Prudential  Investments  from 1998 to 1999,  prior  thereto
Counsel of Drinker, Biddle & Reath LLP, a law firm, from 1985 to 1998)


                                       9
<PAGE>

Treasurer:
Francie W. Tai, age 35 (with Lord Abbett since 2000, formerly Manager of Goldman
Sachs from 1997 to 2000, prior thereto Assistant Vice President of Bankers Trust
from 1994 to 1997).


Code of Ethics
The directors,  trustees and officers of Lord  Abbett-sponsored  funds, together
with the partners and  employees of Lord Abbett,  are  permitted to purchase and
sell securities for their personal investment accounts.  In engaging in personal
securities  transactions,  however, such persons are subject to requirements and
restrictions  contained  in  the  Fund's  Code  of  Ethics  which  complies,  in
substance,   with  each  of  the   recommendations  of  the  Investment  Company
Institute's  Advisory Group on Personal Investing.  Among other things, the Code
requires that Lord Abbett partners and employees  obtain advance approval before
buying or selling  securities,  submit  confirmations and quarterly  transaction
reports,  and obtain approval before becoming a director of any company;  and it
prohibits  such persons from  investing in a security 7 days before or after any
Lord Abbett-sponsored  fund or Lord Abbett-managed  account considers a trade or
trades in such  security,  prohibiting  profiting on trades of the same security
within 60 days and  trading on material  and  non-public  information.  The Code
imposes  certain  similar  requirements  and  restrictions  on  the  independent
directors  and  trustees  of  each  Lord  Abbett-sponsored  fund  to the  extent
contemplated by the recommendations of such Advisory Group.


                                       4.
               Control Persons and Principal Holders of Securities

It  is  anticipated  that  our  officers  and  trustees,   as  a  group,   owned
approximately  100% of the Fund's  outstanding  Class A shares. As of December ,
2000 there were no other record holders of 5% or more of the Fund's  outstanding
shares. The ownership of the Fund's outstanding shares of Class Y represents the
initial  investment.  It is  anticipated  that  over  time  this  percentage  of
ownership will decrease.


                                       5.
                     Investment Advisory And Other Services

Investment Manager

As described under  "Management"  in the  Prospectus,  Lord Abbett is the Fund's
investment  manager.  Of the general partners of Lord Abbett,  the following are
officers and/or trustees of the Fund: Joan A. Binstock, Daniel E. Carper, Robert
S. Dow, Paul A. Hilstad,  and Robert G. Morris.  The other general partners are:
Stephen I. Allen,  Zane E.  Brown,  John E.  Erard,  Robert P.  Fetch,  Daria L.
Foster,  Robert I. Gerber,  W. Thomas Hudson,  Stephen J.  McGruder,  Michael B.
McLaughlin,  Robert J. Noelke, R. Mark Pennington, Eli Salzmann, and Christopher
J. Towle.  The address of each partner is 90 Hudson  Street,  Jersey  City,  New
Jersey 07302-3973.

The services  performed by Lord Abbett are described  under  "Management" in the
Prospectus.  Under the Management Agreement, the Fund pays Lord Abbett a monthly
fee,  based on average  daily net  assets  for each  month at an annual  rate of
________.  This fee is  allocated  among the  classes  of the Fund  based on the
Fund's average daily net assets.

The Fund pays all expenses  not  expressly  assumed by Lord  Abbett,  including,
without  limitation,  12b-1  expenses,  outside  trustees'  fees  and  expenses,
association  membership  dues,  legal and  auditing  fees,  taxes,  transfer and
dividend disbursing agent fees,  shareholder  servicing costs, expenses relating
to  shareholder  meetings,  expenses of  preparing,  printing and mailing  stock
certificates and shareholder  reports,  expenses of registering our shares under
federal and state securities laws,  expenses of preparing,  printing and mailing
prospectuses to existing shareholders,  insurance premiums,  brokerage and other
expenses connected with executing portfolio transactions.

Although  not  obligated  to do so,  Lord  Abbett may waive all or a part of its
management fees and or may assume other expenses of the Fund.


                                       10
<PAGE>

Principal Underwriter
Lord Abbett Distributor LLC, a New York limited liability company and subsidiary
of Lord Abbett, 90 Hudson Street, Jersey City, New Jersey 07302-3973,  serves as
the principal underwriter for the Fund.

Custodian
The Bank of New York ("BNY"),  48 Wall Street, New York, New York, is the Fund's
custodian.  In accordance with the  requirements of Rule 17f-5, the Fund's Board
of Trustees has approved  arrangements  permitting the Fund's foreign assets not
held by BNY or its  foreign  branches  to be held by certain  qualified  foreign
banks and depositories.

Transfer Agent
United  Missouri  Bank of Kansas  City,  N.A.,  Tenth and  Grand,  Kansas  City,
Missouri, acts as the transfer agent and dividend disbursing agent for the Fund.

Independent Auditors
(To be provided)


                                       6.
                    Brokerage Allocations and Other Practices

The Fund's policy is to obtain best execution on all our portfolio transactions,
which means that it seeks to have  purchases  and sales of portfolio  securities
executed at the most favorable prices, considering all costs of the transaction,
including brokerage commissions and dealer markups and markdowns and taking into
account the full range and quality of the  brokers'  services.  Consistent  with
obtaining best execution,  the Fund generally pays, as described below, a higher
commission  than some brokers might charge on the same  transaction.  Our policy
with respect to best  execution  governs the selection of brokers or dealers and
the market in which the transaction is executed. To the extent permitted by law,
we may, if considered advantageous, make a purchase from or sale to another Lord
Abbett-sponsored fund without the intervention of any broker-dealer.

Broker-dealers  are selected on the basis of their  professional  capability and
the value and quality of their brokerage and research  services.  Normally,  the
selection is made by traders who are employees of Lord Abbett.  These traders do
the  trading  as well for  other  accounts  --  investment  companies  and other
investment clients -- managed by Lord Abbett. They are responsible for obtaining
best execution.

We pay a  commission  rate  that we  believe  is  appropriate  to  give  maximum
assurance that our brokers will provide us, on a continuing  basis,  the highest
level of brokerage  services  available.  While we do not always seek the lowest
possible  commissions on particular trades, we believe that our commission rates
are in line with the rates that many other  institutions  pay.  Our  traders are
authorized  to pay brokerage  commissions  in excess of those that other brokers
might  accept  on the  same  transactions  in  recognition  of the  value of the
services  performed  by the  executing  brokers,  viewed in terms of either  the
particular  transaction  or the  overall  responsibilities  of Lord  Abbett with
respect to us and the other accounts they manage.  Such services include showing
us trading  opportunities  including  blocks,  a willingness and ability to take
positions in  securities,  knowledge of a particular  security or market  proven
ability to handle a particular type of trade, confidential treatment, promptness
and reliability.

Some of these brokers also provide research  services at least some of which are
useful to Lord Abbett in their overall  responsibilities  with respect to us and
the other accounts they manage. Research includes the furnishing of analyses and
reports concerning issuers, industries, securities, economic factors and trends,
portfolio  strategy and the  performance  of accounts and trading  equipment and
computer software  packages,  acquired from third-party  suppliers,  that enable
Lord Abbett to access various  information  bases.  Such services may be used by
Lord Abbett in servicing all their  accounts,  and not all of such services will
necessarily  be used by Lord Abbett in connection  with their  management of the
Fund. Conversely,  such services furnished in connection with brokerage on other
accounts  managed by Lord Abbett may be used in connection with their management
of the  Fund,  and not all of such  services  will  necessarily  be used by Lord
Abbett in connection  with their advisory  services to such other  accounts.  We
have been advised by Lord Abbett that  research  services  received from brokers
cannot be allocated to any  particular  account,  are not a substitute  for Lord
Abbett's  services but are  supplemental  to their own research effort and, when
utilized,  are subject to internal  analysis  before being  incorporated by Lord
Abbett into their investment  process.  As a practical  matter,  it would not be
possible for Lord Abbett to generate all of the information  presently  provided
by brokers.  While  receipt of research  services from  brokerage  firms has not
reduced Lord Abbett's  normal research  activities,  the expenses of Lord Abbett
could be  materially  increased  if it  attempted  to generate  such  additional
information  through its own staff and  purchased  such  equipment  and software
packages directly from the suppliers.


                                       11
<PAGE>

No commitments  are made  regarding the  allocation of brokerage  business to or
among brokers, and trades are executed only when they are dictated by investment
decisions  of the Lord  Abbett-sponsored  funds to  purchase  or sell  portfolio
securities.

When,  in the opinion of Fund  Management,  two or more  broker-dealers  (either
directly or through their  correspondent  clearing  agents) are in a position to
obtain the best price and execution, preference may be given to brokers who have
sold shares of the Fund and/or shares of other Lord  Abbett-sponsored  funds, or
who have provided investment research, statistical, or other related services to
the Fund.

If other  clients of Lord Abbett buy or sell the same  security at the same time
as  a  Lord  Abbett-sponsored  fund  does,  transactions  will,  to  the  extent
practicable,  be allocated among all participating accounts in proportion to the
amount  of each  order  and will be  executed  daily  until  filled so that each
account shares the average price and commission  cost of each day. Other clients
who direct that their brokerage  business be placed with specific brokers or who
invest  through wrap accounts  introduced to Lord Abbett by certain  brokers may
not participate with a Lord  Abbett-sponsored  fund in the buying and selling of
the same securities as described above. If these clients wish to buy or sell the
same  security  as a Lord  Abbett-sponsored  fund  does,  they  may  have  their
transactions  executed at times different from our transactions and thus may not
receive  the  same  price  or  incur  the  same   commission   cost  as  a  Lord
Abbett-sponsored fund does.



                                       7.
                       Capital Stock and Other Securities

Classes of Shares.  The Fund offers investors five different  classes of shares,
only Class Y shares are offered in this Statement of Additional Information. The
different  classes of shares  represent  investments  in the same  portfolio  of
securities but are subject to different  expenses and will likely have different
share prices.

All shares have equal noncumulative  voting rights and equal rights with respect
to  dividends,  assets  and  liquidation,   except  for  certain  class-specific
expenses.  They  are  fully  paid  and  nonassessable  when  issued  and have no
preemptive or conversion rights. Additional classes or funds may be added in the
future.  The Act requires  that where more than one class or fund  exists,  each
class or fund must be  preferred  over all other  classes or funds in respect of
assets specifically allocated to such class or fund.

Rule 18f-2 under the Act provides that any matter  required to be submitted,  by
the provisions of the Act or applicable state law, or otherwise,  to the holders
of the outstanding  voting securities of an investment  company such as the Fund
shall not be deemed to have been  effectively  acted upon unless approved by the
holders of a majority of the  outstanding  shares of each class affected by such
matter.  Rule 18f-2 further provides that a class shall be deemed to be affected
by a  matter  unless  the  interests  of each  class or fund in the  matter  are
substantially identical or the matter does not affect any interest of such class
or fund.  However,  the Rule  exempts  the  selection  of  independent auditors,
the approval of a contract  with a principal  underwriter  and the election of
trustees from the separate voting requirements.

The Fund  does not hold  annual  meetings  of  shareholders  unless  one or more
matters are  required to be acted on by  shareholders  under the Act.  Under the
Fund's Declaration of Trust,  shareholder  meetings may be called at any time by
certain  officers  of the  Fund or by a  majority  of the  trustees  (i) for the
purpose of taking action upon any matter  requiring the vote or authority of the
Fund's shareholders or upon other matters deemed to be necessary or desirable or
(ii) upon the  written  request of the  holders of at least  one-quarter  of the
Fund's outstanding shares and entitled to vote at the meeting.



                                       12
<PAGE>


                                       8.
                       Purchases, Redemptions and Pricing

Information  concerning  how we value our shares for the purchase and redemption
of  our  shares  is  contained  in  the   Prospectus   under   "Purchases"   and
"Redemptions," respectively.

As disclosed in the Prospectus, we calculate our net asset value as of the close
of the New York Stock  Exchange  ("NYSE")  on each day that the NYSE is open for
trading by dividing our total net assets by the number of shares  outstanding at
the time of  calculation.  The NYSE is closed on  Saturdays  and Sundays and the
following  holidays -- New Year's Day, Martin Luther King, Jr. Day,  Presidents'
Day, Good Friday,  Memorial Day,  Independence Day, Labor Day,  Thanksgiving and
Christmas.

The Fund values its portfolio  securities at market value as of the close of the
NYSE. Market value will be determined as follows:  securities listed or admitted
to trading privileges on any national securities exchange are valued at the last
sales  price,  or, if there is no sale on that day, at the mean between the last
bid and asked price,  or, in the case of bonds, in the  over-the-counter  market
if, in the judgment of the Fund's officers, that market more accurately reflects
the market value of the bonds.  Over-the-counter  securities,  not traded on the
NASDAQ National  Market System,  are valued at the mean between the last bid and
asked  prices.  Securities  for which market  quotations  are not  available are
valued at fair market value under procedures approved by the Board of Trustees.

The net asset  value per share  for the  Class Y shares  will be  determined  by
taking the net assets and dividing by the number of Class Y shares  outstanding.
Our Class Y shares will be offered at net asset value.

Class Y Share Exchanges. The Prospectus briefly describes the Telephone Exchange
Privilege.  You may  exchange  some or all of your  Class Y shares  for  Class Y
shares of any Lord  Abbett-sponsored  funds currently offering Class Y shares to
the public.  You should read the prospectus of the other fund before exchanging.
In  establishing a new account by exchange,  shares of the fund being  exchanged
must have a value equal to at least the minimum initial investment  required for
the other fund into which the exchange is made.

Redemptions.  A  redemption  order is in proper form when it contains all of the
information and  documentation  required by the order form or  supplementally by
Lord Abbett Distributor or the Fund to carry out the order. The signature(s) and
any legal capacity of the signer(s) must be guaranteed by an eligible guarantor.
See the Prospectus for expedited redemption procedures.

The right to redeem and receive payment, as described in the Prospectus,  may be
suspended if the NYSE is closed  (except for  weekends or  customary  holidays),
trading on the NYSE is  restricted  or the  Securities  and Exchange  Commission
deems an emergency to exist.

Our Board of  Trustees  may  authorize  redemption  of all of the  shares in any
account  in which  there are  fewer  than 25  shares.  Before  authorizing  such
redemption, the Board must determine that it is in our economic best interest or
necessary  to  reduce   disproportionately   burdensome  expenses  in  servicing
shareholder  accounts.  At least 6 months'  prior  written  notice will be given
before any such redemption,  during which time shareholders may avoid redemption
by bringing their accounts up to the minimum set by the Board.


                                       9.
                              Taxation of the Fund

The Fund  intends to elect and to qualify  for special  tax  treatment  afforded
regulated  investment  companies  under the  Internal  Revenue Code of 1986 (the
"Code").  If it so  qualifies,  the  Fund  (but  not its  shareholders)  will be
relieved  of  federal  income  taxes on the  amount  it  timely  distributes  to
shareholders.  If in any  taxable  year the Fund does not qualify as a regulated
investment  company,  all of its  taxable  income  will be  taxed to the Fund at
regular corporate rates.


                                       13
<PAGE>

The  Fund  contemplates  declaring  as  dividends  substantially  all of its net
investment  income.  Dividends paid by the Fund from its  investment  income and
distributions out of short-term capital gains are taxable to its shareholders as
ordinary  income  from  dividends,  whether  received in cash or  reinvested  in
additional  shares  of the  Fund.  Distributions  paid  by the  Fund  of its net
realized  long-term  capital gains are taxable to shareholders as capital gains,
also whether  received in cash or reinvested  in shares.  The Fund will send its
shareholder  annual  information  concerning  the tax treatment of dividends and
other distributions.

Upon sale,  exchange or  redemption  of shares of the Fund, a  shareholder  will
recognize  short-  or  long-term  capital  gain  or  loss,  depending  upon  the
shareholder's  holding period in the Fund's shares.  However, if a shareholder's
holding  period in his shares is six months or less,  any capital loss  realized
from a sale or exchange of such shares must be treated as long-term capital loss
to the extent of dividends classified as "capital gains dividends" received with
respect to such shares.  The maximum tax rates  applicable  to net capital gains
recognized by individuals and other non- corporate taxpayers are (i) the same as
ordinary  income rates for capital assets held for one year or less and (ii) 20%
for  capital  assets  held  for more  than one  year.  Capital  gains or  losses
recognized by corporate  shareholders  are subject to tax at the ordinary income
tax rates applicable to corporations.

Losses on the sale of shares are not deductible if, within a period beginning 30
days  before the date of the sale and ending 30 days after the date of the sale,
the taxpayer acquires shares that are substantially identical.

Some  shareholders  may  be  subject  to a 31%  withholding  tax  on  reportable
dividends,   capital  gains   distributions  and  redemption  payments  ("backup
withholding").  Generally,  shareholders  subject to backup  withholding will be
those for whom a certified  taxpayer  identification  number is not on file with
the Fund or who, to the Fund's  knowledge,  have furnished an incorrect  number.
When  establishing  an account,  an investor  must  certify  under  penalties of
perjury  that such  number is correct  and that he is not  otherwise  subject to
backup withholding.

The writing of call options and other investment  techniques and practices which
the Fund may utilize may affect the character and timing of the  recognition  of
gains and  losses.  Such  transactions  may  increase  the amount of  short-term
capital  gain  realized  by the Fund,  which is taxed as  ordinary  income  when
distributed to shareholders.

The Fund may be subject to foreign  withholding  taxes,  which would  reduce the
yield on its investments.  It is generally  expected that Fund  shareholders who
are subject to United States  federal income tax will not be entitled to claim a
federal  income tax credit or  deduction  for foreign  income  taxes paid by the
Fund.

The Fund will also be  subject  to a 4%  non-deductible  excise  tax on  certain
amounts not distributed or treated as having been  distributed on a timely basis
each calendar year. The Fund intends to distribute to shareholders  each year an
amount adequate to avoid the imposition of such excise tax.

Dividends paid by the Fund will qualify for the dividends-received deduction for
corporations  to the extent they are  derived  from  dividends  paid by domestic
corporations. Corporate shareholders must have held their shares in the Fund for
more than 45 days to qualify for the deduction on dividends paid by the Fund.

Gain and loss realized by the Fund on certain  transactions,  including sales of
foreign debt securities and certain  transactions  involving  foreign  currency,
will be treated as ordinary  income or loss for federal  income tax  purposes to
the  extent,  if any,  that  such gain or loss is  attributable  to  changes  in
exchange rates for foreign  currencies.  Accordingly,  distributions  taxable as
ordinary  income will include the net amount,  if any, of such foreign  exchange
gain and will be reduced by the net  amount,  if any, of such  foreign  exchange
loss.

If the Fund  purchases  shares in certain  foreign  investment  entities  called
"passive foreign investment companies," the Fund may be subject to United States
federal  income tax on a portion of any "excess  distribution"  or gain from the
disposition  of such  shares,  even if such income is  distributed  as a taxable
dividend by the Fund to its  shareholders.  Additional  charges in the nature of
interest  may be imposed on the Fund in respect of deferred  taxes  arising from
such  distributions  or gains.  If the Fund were to make a  "qualified  electing
fund"  election with respect to its investment in a passive  foreign  investment
company,  in lieu of the foregoing  requirements,  the Fund might be required to
include in income each year a portion of the  ordinary  earnings and net capital
gains of the qualified  electing fund,  even if such amount were not distributed
to the Fund. Alternatively, if the Fund were to make a "mark-to-market" election
with respect to its investment in a passive foreign investment company,  gain or
loss with respect to the investment  would be considered  realized at the end of
each taxable year of the Fund even if the Fund continued to hold the investment,
and would be treated as ordinary income or loss to the Fund.


                                       14
<PAGE>

The  foregoing  discussion  relates  solely to U.S.  federal  income  tax law as
applicable to United States  persons  (United  States  citizens or residents and
United States domestic  corporations,  partnerships,  trusts and estates).  Each
shareholder  who is not a United States  person  should  consult his tax adviser
regarding  the U.S. and foreign tax  consequences  of the ownership of shares of
the Fund,  including the applicable  rate of U.S.  withholding  tax on dividends
representing   ordinary  income  and  net  short-term  capital  gains,  and  the
applicability of U.S. gift and estate taxes.


                                       10.
                                   Underwriter

Lord Abbett Distributor LLC, a New York limited liability company and subsidiary
of Lord Abbett, 90 Hudson Street, Jersey City, New Jersey 07302-3973,  serves as
the principal underwriter for the Fund. The Fund has entered into a distribution
agreement with Lord Abbett  Distributor,  under which Lord Abbett Distributor is
obligated to use its best efforts to find purchasers for the shares of the Fund,
and to make  reasonable  efforts to sell Fund  shares so long as, in Lord Abbett
Distributor's judgment, a substantial distribution can be obtained by reasonable
efforts.


                                       11.
                                   Performance

The Fund computes the average annual compounded rate of total return for Class Y
shares during specified periods that would equate the initial amount invested to
the ending  redeemable  value of such  investment  by adding one to the computed
average  annual total return,  raising the sum to a power equal to the number of
years  covered by the  computation  and  multiplying  the result by one thousand
dollars,  which represents a hypothetical  initial  investment.  The calculation
assumes  deduction  of no sales  charge from the  initial  amount  invested  and
reinvestment  of all income  dividends  and capital gains  distributions  on the
reinvestment dates at prices calculated as stated in the Prospectus.  The ending
redeemable  value is determined by assuming a complete  redemption at the end of
the period(s) covered by the average annual total return computation.

In calculating total returns for Class Y shares no sales charge is deducted from
the  initial  investment  and the  return is shown at net  assets  value.  Total
returns also assume that all dividends and capital  gains  distributions  during
the period are reinvested at net asset value per share,  and that the investment
is redeemed at the end of the period.

Yield  quotation  for  Class Y shares  is based  on a 30-day  period  ended on a
specified date,  computed by dividing the net investment income per share earned
during the period by the net asset value per share of such class on the last day
of the period.  This is determined by finding the following  quotient:  Take the
dividends and interest earned during the period for the class minus its expenses
accrued for the period and divide by the product of (i) the average daily number
of class  shares  outstanding  during the period  that were  entitled to receive
dividends  and (ii) the net asset  value per share of such class on the last day
of the period.  To this  quotient add one. This sum is multiplied by itself five
times.  Then one is subtracted from the product of this  multiplication  and the
remainder is multiplied by two.  Yield for the Class Y shares do not reflect the
deduction of any sales charge.

Figures  represent past  performance,  and an investor  should be aware that the
investment  return and principal value of a Fund's  investment will fluctuate so
that an investor's shares,  when redeemed,  may be worth more or less than their
original cost.  Therefore,  there is no assurance that past  performance will be
repeated in the future.


                                       12.
                              Financial Statements
Not applicable.



                                       15
<PAGE>

                             LORD ABBETT DELTA FUND

                                     PART C

                                OTHER INFORMATION

Item 23       Exhibits

(a)      Declaration of Trust.  Filed herein.
(b)      By-Laws.  Filed herewith.
(c)      Instruments Defining Rights of Security Holders.  Not applicable.
(d)      Management Agreement.  To be filed.
(e)      Distribution Agreement.  To be filed.
(f)      Bonus or Profit Sharing Contracts.  To be filed.
(g)      Custodian Agreements.  To be filed.
(h)      Other Material Contracts.  To be filed.
(i)      Legal Opinion.  To be filed.
(j)      Other Opinion.  To be filed.
(k)      Omitted Financial Statements.  Not applicable.
(l)      Initial Capital Agreements.  To be filed.
(m)      Rule 12b-1 Plans  To be filed.
(n)      Financial Data Schedule.  Not applicable.
(o)      Rule 18f-3 Plan.  To be filed.
(p)      Code of Ethics.  To be filed.


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


              None.


<PAGE>

Item 25       Indemnification

              The  Registrant is a Delaware  Business  Trust  established  under
              Chapter  38 of Title 12 of the  Delaware  Code.  The  Registrant's
              Declaration  and  Instrument  of Trust at Section 4.3  relating to
              indemnification of Trustees,  officers, etc. states the following.
              The  Trust  shall  indemnify  each  of  its  Trustees,   officers,
              employees and agents  (including  any individual who serves at its
              request  as  director,  officer,  partner,  trustee or the like of
              another   organization   in  which  it  has  any   interest  as  a
              shareholder,  creditor or otherwise)  against all  liabilities and
              expenses,   including   but  not   limited  to  amounts   paid  in
              satisfaction   of  judgments,   in  compromise  or  as  fines  and
              penalties,  and counsel fees reasonably  incurred by him or her in
              connection with the defense or disposition of any action,  suit or
              other proceeding,  whether civil or criminal,  before any court or
              administrative  or  legislative  body in which he or she may be or
              may have been involved as a party or otherwise or with which he or
              she may be or may have been threatened, while acting as Trustee or
              as an officer,  employee or agent of the Trust or the Trustees, as
              the case may be, or  thereafter,  by reason of his or her being or
              having been such a Trustee,  officer,  employee  or agent,  except
              with  respect  to any matter as to which he or she shall have been
              adjudicated  not to have  acted in good  faith  in the  reasonable
              belief  that his or her  action was in the best  interests  of the
              Trust or any Series  thereof.  Notwithstanding  anything herein to
              the   contrary,   if  any   matter   which  is  the   subject   of
              indemnification  hereunder  relates only to one Series (or to more
              than  one  but not  all of the  Series  of the  Trust),  then  the
              indemnity  shall be paid only out of the  assets  of the  affected
              Series.  No individual shall be indemnified  hereunder against any
              liability to the Trust or any Series  thereof or the  Shareholders
              by reason of willful  misfeasance,  bad faith, gross negligence or
              reckless disregard of the duties involved in the conduct of his or
              her office. In addition,  no such indemnity shall be provided with
              respect to any matter  disposed of by  settlement  or a compromise
              payment by such Trustee, officer, employee or agent, pursuant to a
              consent  decree or  otherwise,  either for said payment or for any
              other  expenses  unless there has been a  determination  that such
              compromise  is  in  the  best   interests  of  the  Trust  or,  if
              appropriate,  of any affected  Series thereof and that such Person
              appears to have acted in good faith in the reasonable  belief that
              his or her  action was in the best  interests  of the Trust or, if
              appropriate, of any affected Series thereof, and did not engage in
              willful  misfeasance,  bad faith,  gross  negligence  or  reckless
              disregard  of the  duties  involved  in the  conduct of his or her
              office.  All  determinations  that  the  applicable  standards  of
              conduct have been met for indemnification  hereunder shall be made
              by (a) a majority  vote of a quorum  consisting  of  disinterested
              Trustees  who  are  not  parties  to the  proceeding  relating  to
              indemnification,  or (b) if such a quorum  is not  obtainable  or,
              even if obtainable,  if a majority vote of such quorum so directs,
              by independent  legal counsel in a written opinion,  or (c) a vote
              of Shareholders  (excluding Shares owned of record or beneficially
              by such individual).  In addition,  unless a matter is disposed of
              with a court  determination  (i) on the merits that such  Trustee,
              officer, employee or agent was not liable or (ii) that such Person
              was not guilty of willful misfeasance, bad faith, gross negligence
              or reckless disregard of the duties involved in the conduct of his
              or her office,  no  indemnification  shall be  provided  hereunder
              unless there has been a determination by independent legal counsel
              in a written  opinion  that such  Person did not engage in willful
              misfeasance,  bad faith, gross negligence or reckless disregard of
              the duties involved in the conduct of his or her office.

              The Trustees  may make  advance  payments out of the assets of the
              Trust or, if  appropriate,  of the affected  Series in  connection
              with the expense of  defending  any action  with  respect to which
              indemnification  might be  sought  under  this  Section  4.3.  The
              indemnified  Trustee,  officer,  employee  or agent  shall  give a
              written  undertaking  to reimburse  the Trust or the Series in the
              event it is subsequently determined that he or she is not entitled
              to such indemnification and (a) the indemnified Trustee,  officer,
              employee  or  agent  shall   provide   security  for  his  or  her
              undertaking, (b) the Trust shall be insured against losses arising
              by reason of lawful  advances,  or (c) a  majority  of a quorum of
              disinterested  Trustees  or  an  independent  legal  counsel  in a
              written  opinion  shall  determine,  based on a review of  readily
              available  facts (as opposed to a full trial-type  inquiry),  that
              there is reason to believe that the indemnitee  ultimately will be
              found  entitled  to  indemnification.  The rights  accruing to any
              Trustee,  officer,  employee or agent under these provisions shall
              not  exclude  any other  right to which he or she may be  lawfully
              entitled  and  shall  inure to the  benefit  of his or her  heirs,
              executors, administrators or other legal representatives.

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

<PAGE>

Item 26       Business and Other Connections of Investment Adviser

              Lord, Abbett & Co. acts as investment  adviser for the Lord Abbett
              registered investment companies and provides investment management
              services to various pension plans,  institutions  and individuals.
              Lord  Abbett  Distributor  LLC, a limited  liability  corporation,
              serves as their distributor and principal underwriter.  Other than
              acting  as  trustees,   directors   and/or  officers  of  open-end
              investment  companies managed by Lord, Abbett & Co., none of Lord,
              Abbett & Co.'s partners has, in the past two fiscal years, engaged
              in any other  business,  profession,  vocation or  employment of a
              substantial  nature for his or her own account or in the  capacity
              of director, trustee, officer, employee, or partner of any entity.


Item 27       Principal Underwriters

       (a)    Lord Abbett  Distributor  LLC serves as principal  underwriter for
              the  Registrant.  Lord  Abbett  Distributor  LLC  also  serves  as
              principal  underwriter  for the  following  Lord  Abbett-sponsored
              funds:

              Lord Abbett Affiliated Fund, Inc.
              Lord Abbett Bond-Debenture Fund, Inc.
              Lord Abbett Developing Growth Fund, Inc.
              Lord Abbett Global Fund, Inc.
              Lord Abbett Investment Trust
              Lord Abbett Large-Cap Growth Fund
              Lord Abbett Mid-Cap Value Fund, Inc.
              Lord Abbett Research Fund, Inc.
              Lord Abbett Securities Trust
              Lord Abbett Series Fund, Inc.
              Lord Abbett Tax-Free Income Fund, Inc.
              Lord Abbett Tax-Free Income Trust
              Lord Abbett U.S. Government Money Market Fund, Inc.

       (b)    Lord Abbett Distributor LLC is a wholly-owned  subsidiary of Lord,
              Abbett &  Co. The  partners of  Lord, Abbett & Co.  who  are  also
              officers of the Registrant are:

              Name and Principal            Positions and Offices
              Business Address              with Registrant
              -------------------           ---------------
              Robert S. Dow                 Chairman and President
              Paul A. Hilstad               Vice President & Secretary
              Joan A. Binstock              Vice President
              Daniel E. Carper              Vice President
              Robert G. Morris              Vice President

              The other general partners of Lord,  Abbett & Co. who are neither
              officers nor  directors of the  Registrant  are Stephen I. Allen,
              Zane E. Brown, John E. Erard,  Robert P. Fetch,  Daria L. Foster,
              Robert I. Gerber,  W. Thomas  Hudson,  Jr.,  Stephen I. McGruder,
              Michael B. McLaughlin,  Robert J. Noelke, R. Mark Pennington, Eli
              M. Salzmann and Christopher J. Towle.

              Each of the above has a principal business address:
              90 Hudson Street, Jersey City, New Jersey  07302-3973

       (c)    Not applicable


<PAGE>


Item 28  Location of Accounts and Records

              Registrant maintains the records, required by Rules 31a - 1(a) and
              (b), and 31a - 2(a) at its main office.

              Lord,  Abbett & Co. maintains the records required by Rules 31a -
              1(f) and 31a - 2(e) at its main office.

              Certain   records  such  as  cancelled  stock   certificates   and
              correspondence may be physically  maintained at the main office of
              the  Registrant's  Transfer  Agent,   Custodian,   or  Shareholder
              Servicing Agent within the requirements of Rule 31a-3.


Item 29       Management Services

              None


Item 30       Undertakings

              The  Registrant  undertakes  to  furnish  each  person  to  whom a
              prospectus  is delivered  with a copy of the  Registrant's  latest
              annual report to shareholders, upon request and without charge.

              The Registrant undertakes, if requested to do so by the holders of
              at least 10% of the  Registrant's  outstanding  shares,  to call a
              meeting  of  shareholders  for the  purpose  of  voting  upon  the
              question  of removal of a director or  directors  and to assist in
              communications  with other  shareholders  as  required  by Section
              16(c) of the Investment Company Act of 1940, as amended.



<PAGE>


                                   SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended,  and the
Investment  Company  Act of 1940,  as amended,  Registrant  has duly caused this
Registration  Statement to be signed on its behalf by the  undersigned,  thereon
duly authorized,  in the City of Jersey City, State of New Jersey, on the 13 day
of October, 2000.

<TABLE>
<CAPTION>

                             LORD ABBETT DELTA FUND

SIGNATURE                 TITLE                               DATE
<S>                      <C>                                 <C>
/s/ PAUL S. HILSTAD       Trustee                             October 13, 2000
Paul A. Hilstad           (Chief Executive Officer)


/s/ CHRISTINA T. SIMMONS  Trustee                             October 13, 2000
Christina T. Simmons      (Chief Financial and Account Officer


</TABLE>



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