LORD ABBETT LARGE CAP GROWTH FUND
497, 2000-01-13
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                                   LORD ABBETT
                             LARGE-CAP GROWTH FUND
                                   PROSPECTUS

                                December 30, 1999

[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.

     Class P shares of the Fund are neither  offered to the  general  public nor
     are  available  in  all  states.   Please  call  800-821-5129  for  further
     information.


<PAGE>

                               Table of Contents

                                                          Page

                                    The Fund

What you should know about the Fund

Goal/Principal Strategy                                    2
Main Risks                                                 2
Performance                                                3
Fees and Expenses                                          3

                                Your Investment

Information for managing your Fund account

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

                              For More Information

How to learn more about the Fund

Other Investment Techniques                                12
Glossary of Shaded Terms                                   13

Compensation For Your Dealer                               15

How to learn more about the Fund
and other Lord Abbett funds

Back Cover


<PAGE>

                                    The Fund

Goal / Principal Strategy

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

     Under normal circumstances,  the Fund will invest at least 65% of its total
     assets in equity  securities of large,  established  companies  with market
     capitalizations of at least $8 billion.  To identify  attractive  companies
     for investment,  the Fund uses a "bottom up" investment  research  approach
     that seeks to identify  individual  companies with expected earnings growth
     potential  and  consistency  that may not be  recognized  by the  market at
     large. This approach is based on the following steps:

     o    We  identify  large-capitalization  companies  with  at  least  a  10%
          consistent, sustainable growth rate;

     o    We  focus on  those  companies  demonstrating  a  positive  historical
          performance as well as favorable earnings prospects for the future;

     o    We focus on companies also demonstrating successful strategic business
          plan selection,  strategy and execution,  reflecting strong management
          leadership; and

     o    We focus on companies demonstrating  leadership positions within their
          industries.

     The Fund maintains a long-term investment approach,  generally expecting to
     hold stocks for an average of over three years.  This strategy supports our
     style  of  reaping  the  rewards  of  successful,  well-run  companies  and
     investing in seasoned  managements  for the long term.  The Fund may take a
     temporary  defensive position by investing some of its assets,  most likely
     not more than 30%, in  short-term  debt  securities.  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,  as well as the particular  risks associated with growth
     stocks.  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.  Growth  stocks may grow
     faster than other  stocks and may be more  volatile.  In  addition,  if the
     Fund's  assessment of a company's  potential for growth is wrong, the price
     of the  company's  stock  may  decrease  below  the price at which the Fund
     purchased the stock. 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 the Lord Abbett Large-Cap Growth 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 mutual funds,  it cannot  guarantee  results.

Large   companies  are   established   companies  that  are  considered   "known
quantities." Large companies often have the resources to weather economic shifts
although they can be slower to innovate than small companies.

Bottom-up  research  looks for  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 an 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>

                                     Large-Cap Growth Fund   Symbols:  Class A -
                                                                       Class B -
                                                                       Class C -
                                                                       Class P -


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

<TABLE>
<CAPTION>
                                 Class A     Class B      Class C     Class P

<S>                               <C>         <C>         <C>         <C>
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    1.00%(1)    5.00%(2)    1.00%       none
- --------------------------------------------------------------------------------
Annual Fund Operating  Expenses  (Expenses
deducted from fund assets) (as a % of average
net assets)(3)
- --------------------------------------------------------------------------------
Management Fees (See "Management")0.75%       0.75%       0.75%       0.75%
Distribution  (12b-1) and Service
  Fees(4)                         0.35%       1.00%       1.00%       0.45%
Other  Expenses                   0.35%       0.35%       0.35%       0.35%
Total Annual Fund Operating
  Expenses                        1.45%       2.10%       2.10%       1.55%

(1)  A  contingent  deferred  sales  charge of 1.00% may be  assessed on certain
     redemptions of class A shares made within 24 months following any purchases
     made without a sales charge.
(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 on-going  basis,  over time they will
     increase  the cost of your  investment  and may cost you more  than  paying
     other types of sales charges.
</TABLE>

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                                        $714             $1,007

- --------------------------------------------------------------------------------
Class B shares                                        $713             $ 958
- --------------------------------------------------------------------------------
Class C shares                                        $313             $ 658
Class P shares                                        $158             $ 490

You would pay the following expenses if you
did not redeem your shares:

Class A shares                                        $714             $1,007
- --------------------------------------------------------------------------------
Class B shares                                        $213             $ 658
Class C shares                                        $213             $ 658
- --------------------------------------------------------------------------------
Class P shares                                        $158             $ 490

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>

Purchases

     The Fund offers in this prospectus four classes of shares: classes 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 is added to the NAV in the case of the  class A shares.  There is no
     front-end  sales  charge in the case of the  class B and C shares  although
     there is 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    Normally 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 convert to class A shares after eight years
          o    asset-based sales charge of 1.00% - See "Sales Compensation"

 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
          o    asset-based sales charge of 1.00% - See "Sales Compensation"

 Class P  o    available  to certain  pension or  retirement  plans  pursuant to
               Mutual Fund Fee Based Program

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------
Front-End Sales Charges - Class A Shares
- --------------------------------------------------------------------------------
                                                                 To Compute
                             As a % of          As a % of        Offering Price
Your Investment           Offering Price       Your Investment   Divide NAV by
- --------------------------------------------------------------------------------
<S>                           <C>                     <C>                <C>
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
- --------------------------------------------------------------------------------
</TABLE>


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.


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    Statement  of  Intention -- A Purchaser of class A shares may 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 statement of intention can be backdated 90 days.
          Current  holdings  under rights of  accumulation  may be included in a
          statement 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    purchases by Retirement Plans with at least 100 eligible employees *

     o    purchases under a Special Retirement Wrap Program *

     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

     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 (*)
     categories  listed  above and you redeem any  within 24 months after
     the month in which you  initially  purchased  them,  the Fund normally will
     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>


     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
     conditions:

     o    benefit  payments  under  Retirement  Plans  such as  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 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 and service fees

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 one year or more (class C)

3.   shares  held the longest  before the sixth  anniversary  of their  purchase
     (class B) or before the first anniversary of their purchase (class C)


6 Your Investment


<PAGE>



     that are paid out of the Fund's  assets.  Service  compensation  originates
     from 12b-1 service fees.  The 12b-1 fees payable with respect to each share
     class are .35% of class A shares,  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 a 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                                                 $1,000

     o    Individual  Retirement  Accounts  and 403(b)  Plans
          under the Internal Revenue Code                                   $250

     o    Uniform Gift to Minor Account                                     $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 that 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 Large-Cap Growth Fund
     P.O. Box 419100
     Kansas City, MO 64141

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

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

12b-1 fees are payable  regardless  of expenses.The amounts  payable by the Fund
need not be directly related to expenses.  If Lord Abbett  Distributor's  actual
expenses exceed the fee  payable  to it, the Fund will not have to pay more than
that  fee.  If Lord  Abbett  Distributor's  expenses  are  less  than the fee it
receives, Lord Abbett Distributor will keep the full amount of the fee.

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.


                                                               Your Investment 7


<PAGE>

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 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
     the Fund unless you instruct the Fund to pay them to you in cash. There are
     no sales charges on  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.

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      You may make fixed,  periodic investments ($50 minimum) into
(Dollar-cost        your Fund account by means of automatic money transfers from
averaging)          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          You may make  regular  withdrawals  from  most  Lord  Abbett
Withdrawal          funds.  Automatic cash  withdrawals will be paid to you from
Plan ("SWP")        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.

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
                    SWP  request.  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         Redemption  proceeds  due to a SWP for  class B and  class C
C shares            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.

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>



     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 767 Fifth
     Avenue,  New York, NY  10153-0203.  On or about  January 17, 2000,  the new
     address will be 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 funds,  see the  Statement of Additional  Information.  The
     Fund pays Lord  Abbett a monthly  fee of .75%  based on  average  daily net
     assets  for each  month.  In  addition,  the Fund  pays  all  expenses  not
     expressly assumed by Lord Abbett.

     PORTFOLIO MANAGER.  Stephen Humphrey serves as Executive Vice President and
     Portfolio Manager of the Lord Abbett Large-Cap Growth Fund and is primarily
     responsible for the day-to-day  management of the Fund. Mr. Humphrey joined
     Lord Abbett in 1999;  prior to that he was a Vice  President  and Portfolio
     Manager at Chase Manhattan Bank from 1976 - 1999, managing private accounts
     from 1981 and pooled investment funds from 1985.

     HISTORICAL PERFORMANCE OF PORTFOLIO MANAGER. From March 17, 1997
     until August 17, 1999, Mr. Humphrey was primarily  responsible for
     the day-to-day  management of the Chase Vista Select Large Cap Growth Fund,
     a registered investment company. As the portfolio manager of this fund, Mr.
     Humphrey had full discretionary authority over the selection of investments
     for the fund. From the Fund's inception on January 1, 1997 until March 17,
     1997, a team of investment professionals at Chase Manhattan Bank,
     including Mr. Humphrey, was responsible for the management of the fund's
     portfolio.


10 Your Investment


<PAGE>

     The  cumulative  total  return for the Chase Vista  Select Large Cap Growth
     Fund from March 17, 1997 through  July 31, 1999 was 109.01%.  At July 31,
     1999,  this Fund had $825.2  million in net  assets.  As shown in the table
     below,  average annual total returns for the one year period ended July 31,
     1999 and for the  period  during  which Mr.  Humphrey  managed  that  Fund,
     compared with the  performance  of the Standard & Poor's  500(R)  Composite
     Stock Price Index ("S&P 500(R) Index") and the Lipper Large Cap Growth Fund
     average, were:

<TABLE>
<CAPTION>

- --------------------------------------------------------------------------------
Average Annual Total Returns
- --------------------------------------------------------------------------------
                         Chase Vista Select              Lipper Large Cap
                         Large-Cap Growth   S&P 500      Growth Fund
                         Growth Fund(a)     Index(b)     Average
<S>                                <C>         <C>          <C>
One Year Ending July 31, 1999      32.58%     20.20%       24.02%
- --------------------------------------------------------------------------------
March 20, 1997
through July 31, 1999              36.59%(c)  27.05%(d)   29.41%(e)
- --------------------------------------------------------------------------------

(a)  Average  annual  total  return   reflects   changes  in  share  prices  and
     reinvestment of dividends and distributions and is net of Fund expenses.
(b)  The S&P 500 Index is an unmanaged index of common stocks that is considered
     to be generally representative of the United States stock market. The Index
     is adjusted to reflect reinvestment of dividends.
(c)  The average annual total return for the period from March 17, 1997
     through July 31, 1999 was 35.52%.
(d)  This  percentage  represents  the average  annual  return of the S&P 500(R)
     Index  during the period from March 20, 1997 through July 31, 1999
     that Mr.  Humphrey  managed the Chase Vista Select Large Cap Growth Fund.
(e)  This  percentage  represents  the average annual return of the Lipper Large
     Cap Growth Fund  average  during the period from March 20, 1997 through
     July 31, 1999 that Mr.  Humphrey  managed the
     Chase Vista Select Large Cap Growth Fund.

     Historical  performance is not indicative of future  performance.  Although
     the Lord Abbett  Large-Cap Growth Fund and the Chase Vista Select Large Cap
     Growth Fund have substantially similar investment objectives,  policies and
     strategies, the Chase Vista Select Large Cap Growth Fund is a separate Fund
     and its historical  performance is not indicative of the future performance
     of the Lord Abbett  Large-Cap Growth Fund. For the periods shown above, the
     anticipated expenses of the Lord Abbett Large-Cap Growth Fund may have been
     higher than the  expenses of the Chase Vista  Select Large Cap Growth Fund.
     Higher expenses,  of course,  would reduce a fund's performance.  The Chase
     Vista Select Large Cap Growth Fund was the only investment vehicle that Mr.
     Humphrey  managed during the period he was employed at Chase Manhattan Bank
     that has or had substantially similar investment  objectives,  policies and
     strategies as those of the Lord Abbett  Large-Cap Growth Fund. Share prices
     and investment returns will fluctuate reflecting market conditions, as well
     as changes in company-specific fundamentals of portfolio securities.
</TABLE>

                                                              Your Investment 11


                              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.  Also,  these  strategies could
     result in losses if the  counterparty to a transaction  does not perform as
     promised.

     DIVERSIFICATION. The Fund is a diversified fund, which generally means that
     with  respect to 75% of its total  assets,  it will not purchase a security
     if, as a result,  more than 5% of the fund's total assets would be invested
     in  securities  of a single  issuer or the fund would hold more than 10% of
     the outstanding voting securities of the issuer. U.S. government securities
     are not subject to these requirements.

     FUTURES CONTRACTS AND OPTIONS ON FUTURES CONTRACTS. The Fund may enter into
     financial  futures  transactions.  A financial  futures  transaction is the
     purchase or sale of an exchange-traded  contract to buy or sell a specified
     financial instrument or index at a specific future date and price. The Fund
     will not enter  into any  futures  contracts,  or options  thereon,  if the
     aggregate market value of the securities  covered by futures contracts plus
     options on such financial futures exceeds 50% of its total assets.

     OPTIONS TRANSACTIONS.  The Fund may purchase and write put and call options
     on  equity  securities  or  stock  indices  that  are  traded  on  national
     securities exchanges.

     A put  option  gives the  buyer of the  option  the right to sell,  and the
     seller of the option  the  obligation  to buy,  the  underlying  instrument
     during the option  period.  The Fund may write only  covered put options to
     the extent  that cover for such  options  does not exceed 15% of the Fund's
     net  assets.  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.

     A call  option  gives the  buyer of the  option  the right to buy,  and the
     writer  (seller)  of the  option the  obligation  to sell,  the  underlying
     instrument. The Fund may only sell (write) covered call options. This means
     that the Fund may only sell call options on  securities  it owns.  When the
     Fund  writes  a call  option,  it gives  up the  potential  for gain on the
     underlying  securities in excess of the exercise price of the option during
     the period that the option is open.

     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


12 For More Information


<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 on futures is potentially unlimited and may exceed the
     amount of the premium received.

     PORTFOLIO   SECURITIES   LENDING.   The  Fund  may   lend   securities   to
     broker-dealers  and financial  institutions  as a means of earning income.
     This  practice  could  result in a loss or delay in  recovering  the Fund's
     securities  if the borrower  defaults.  The Fund will limit its securities
     loans to 5% of its total assets and all loans will be fully collateralized.

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 a  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 Equity Fund;  (3) Lord Abbett  Series Fund;  (4)
     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 mandatory  distribution which bears the same relation to
     the entire  mandatory  distribution as the 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

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

            John Doe
- --------------------------------------------------
                            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

            John Doe
- --------------------------------------------------
                            AUTHORIZED SIGNATURE
(960)                            X 9 6 0 3 4 7 0
SECURITIES TRANSFER AGENTS MEDALLION PROGRAM'sm'


                                                         For More Information 13


<PAGE>

     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.

     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.

YEAR 2000 ISSUES.  The Fund could be adversely affected if the computers used by
the Fund  and its  service  providers  do not  properly  process  and  calculate
date-related  information from and after January 1, 2000.

Lord Abbett is working to avoid such problems and has received  assurances  from
the Fund's service providers that they are taking similar steps. Of course,  the
Year 2000 problem is unprecedented and, therefore,  Lord Abbett cannot eliminate
altogether the possibility that it or the Fund will be affected.

In  addition,  companies  in  which  the Fund  invests  may  experience  similar
difficulties.  These problems could negatively  affect the value of the issuer's
securities, which in turn could impact the Fund's performance.


14 For More Information


<PAGE>

COMPENSATION FOR YOUR DEALER

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------
                                                       FIRST YEAR COMPENSATION

           Front-end
           sales charge       Dealer's
           paid by investors  concession      Service fee(1)   Total
      (% of offering price)   (% of offering (% of net      Compensation(2)
                               price)         investment)   (% of offering
Class A investments                                              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
All amounts   no front-end
               sales charge           none           0.25%            0.25%
- --------------------------------------------------------------------------------
Class B investments(4)             Percentage of average net assets(5)
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  fee for  class A and P shares  is paid  quarterly.  The first
     year's service fee on class B and C shares is 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 statement
     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 class 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.


                                                        Financial Information 15


<PAGE>

                       THIS PAGE INTENTIONALLY LEFT BLANK


<PAGE>



     More  information  on the Fund is or will be 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).

Lord Abbett Large-Cap Growth Fund
767 Fifth Avenue New York, NY 10153-0203

On or about January 17, 2000, the new address will be:
90 Hudson Street Jersey City, NJ 07302-3973
- ------------------------------------------
SEC file number: 811-9597


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  The  General
Motors Building 767 Fifth Avenue New York, NY 10153-0203 On or about January 17,
2000, the new address will be: 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].

LALCG-1-1299 (12/99)


<PAGE>

LORD ABBETT

Statement of Additional Information                         December 30, 1999

                                   LORD ABBETT

                              Large-Cap Growth 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 The General Motors  Building,  767 Fifth Avenue,
New York,  New York  10153-0203.  On or about January 17, 2000,  the new address
will be 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 30, 1999.


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.




                    1.       Investment Policies                         2
                    2.       Trustees and Officers                       5
                    3.       Investment Advisory and Other Services      9
                    4.       Portfolio Transactions                      9
                    5.       Purchases, Redemptions
                             and Shareholder Services                    11
                    6.       Performance                                 18
                    7.       Taxes                                       19
                    8.       Information About The Company               20
                    9.       Financial Statements                        20



                                        1


<PAGE>

                                       1.
                               Investment Policies


The Lord  Abbett  Large-Cap  Growth  Fund (the  "Company"  or the  "Fund")  is a
diversified   open-end  management   investment  company  registered  under  the
Investment Company Act of 1940, as amended (the "Act").


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 in this section 1 will be determined
at the time of the purchase or sale of the portfolio investments.

NON-FUNDAMENTAL  INVESTMENT  RESTRICTIONS.   In  addition  to  policies  in  the
Prospectus and the investment restrictions above which cannot be changed without
shareholder approval, the Fund is also 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;



                                       2


<PAGE>

     (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.

Rights And  Warrants.  The Fund may invest in rights and  warrants  to  purchase
securities,  including  warrants  which are not  listed on the NYSE or  American
Stock  Exchange  in an amount not to exceed 5% of the value of the Fund's  gross
assets.


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.
Warrants  represent the privilege to purchase  securities at a stipulated  price
and are usually valid for several  years.  Rights and warrants  generally do not
entitle a holder to  dividends or voting  rights with respect to the  underlying
securities  nor do they  represent  any  rights  in the  assets  of the  issuing
company.

Also, the value of a right or warrant may not necessarily  change with the value
of the underlying securities and rights and warrants cease to have value if they
are not exercised prior to their expiration date.

OPTIONS AND FINANCIAL FUTURES  TRANSACTIONS.  The Fund may engage in options and
financial futures  transactions in accordance with its investment  objective and
policies.  Although  the  Fund  is not  currently  employing  such  options  and
financial futures transactions, it may engage in such transactions in the future
if it appears  advantageous  to us to do so, in order to cushion  the effects of
fluctuating interest rates and adverse market conditions. The use of options and
financial  futures,  and possible  benefits and attendant  risks,  are discussed
below, along with information  concerning certain other investment  policies and
techniques.

FINANCIAL  FUTURES  CONTRACTS.  The Fund may enter into contracts for the future
delivery  of a financial  instrument,  such as a security or the cash value of a
securities  index.  This  investment  technique  is designed  primarily to hedge
(i.e.,  protect) against  anticipated future changes in interest rates or market
conditions  which otherwise might adversely affect the value of securities which
the Fund holds or intends to purchase.  A "sale" of a futures contract means the
undertaking  of a contractual  obligation to deliver the  securities or the cash
value of an index  called for by the  contract  at a  specified  price  during a
specified  delivery  period.  A  "purchase"  of a  futures  contract  means  the
undertaking of a contractual  obligation to acquire the securities or cash value
of an index at a specified price during a specified delivery period. At the time
of  delivery  pursuant  to the  contract,  adjustments  are  made  to  recognize
differences  in value arising from the delivery of securities  which differ from
those  specified  in the  contract.  In some cases,  securities  called for by a
futures  contract may not have been issued at the time the contract was written.
The Fund will not  enter  into any  futures  contracts  or  options  on  futures
contracts if the aggregate of the market value of the securities covered by such
outstanding contracts and options would exceed 50% of its total assets.

Although  some  financial  futures  contracts by their terms call for the actual
delivery or acquisition of securities, in most cases, a party will close out the
contractual  commitment  before delivery without having to make or take delivery
of the security by purchasing (or selling,  as the case may be) on a commodities
exchange an identical  futures  contract calling for delivery in the same month.
Such a  transaction,  if effected  through a member of an exchange,  cancels the
obligation to make or take delivery of the securities.  All  transactions in the
futures market are made, offset or fulfilled through a clearing house associated
with the  exchange  on which the  contracts  are  traded.  The Fund  will  incur
brokerage  fees when it  purchases  or sells  contracts  and will be required to
maintain margin deposits.  At the time it enters into a futures contract,  it is
required to deposit  with the  custodian,  on behalf of the broker,  a specified
amount of cash or  eligible  securities  called  "initial  margin."  The initial
margin  required  for a futures  contract  is set by the  exchange  on which the
contract is traded.  Subsequent payments, called "variation margin," to and from
the broker are made on a daily basis as the market price of the futures contract
fluctuates.  The costs incurred in connection  with futures  transactions  could


                                       3


<PAGE>

reduce our return.  Futures contracts entail risks. If the investment  adviser's
judgment about the general  direction of interest rates or markets is wrong, the
overall  performance  may be poorer than if no such  contracts  had been entered
into.

There may be an  imperfect  correlation  between  movements in prices of futures
contracts and  portfolio  securities  being hedged.  The degree of difference in
price  movements  between  futures  contracts and the  securities (or securities
indices)  being  hedged  depends  upon such things as  variations  in demand for
futures  contracts and  securities  underlying  the  contracts  and  differences
between  the  liquidity  of the markets for such  contracts  and the  securities
underlying  them.  In addition,  the market  prices of futures  contracts may be
affected by certain factors not directly  related to the underlying  securities.
At any given  time,  the  availability  of futures  contracts,  and hence  their
prices, are influenced by credit conditions and margin requirements.  Due to the
possibility  of price  distortions  in the  futures  market  and  because of the
imperfect  correlation  between  movements  in  the  prices  of  securities  and
movements  in the  prices of futures  contracts,  a correct  forecast  of market
trends  by the  investment  adviser  may  not  result  in a  successful  hedging
transaction.

CALL OPTIONS ON STOCK.  The Fund may,  from time to time,  write call options on
its  portfolio  securities.  The Fund may  write  only  call  options  which are
"covered,"  meaning that the Fund either owns the underlying  security or has an
absolute and immediate right to acquire that security,  without  additional cash
consideration, upon conversion or exchange of other securities currently held in
its  portfolio.  In  addition,  the Fund  will  not  permit  the call to  become
uncovered prior to the expiration of the option or termination through a closing
purchase  transaction as described below. If the Fund writes a call option,  the
purchaser of the option has the right to buy (and the Fund has the obligation to
sell) the underlying  security at the exercise price  throughout the term of the
option.  The  amount  paid to the Fund by the  purchaser  of the  option  is the
"premium."  The Fund's  obligation to deliver the  underlying  security  against
payment of the exercise  price would  terminate  either upon  expiration  of the
option or earlier if the Fund were to effect a  "closing  purchase  transaction"
through the purchase of an  equivalent  option on an  exchange.  There can be no
assurance that a closing purchase transaction can be effected. The Fund does not
intend  to write  covered  call  options  with  respect  to  securities  with an
aggregate market value of more than 5% of its gross assets at the time an option
is written.

The Fund  will not be able to  effect a closing  purchase  transaction  after it
receives  notice  of  exercise.  In order to  write a call  option,  the Fund is
required to comply with the rules of The Options  Clearing  Corporation  and the
various  exchanges  with respect to  collateral  requirements.  The Fund may not
purchase call options except in connection with a closing purchase  transaction.
It is possible that the cost of effecting a closing purchase  transaction may be
greater than the premium received by the Fund for writing the option.

Generally,  the Fund intends to write listed covered call options during periods
when it  anticipates  declines  in the  market  values of  portfolio  securities
because  the  premiums  received  may offset to some  extent the  decline in the
Fund's net asset value  occasioned by such  declines in market value.  Except as
part of the "sell discipline" described below, the Fund will generally not write
listed  covered call options when it  anticipates  that the market values of its
portfolio securities will increase.

One reason for the Fund to write call options is as part of a "sell discipline."
If the Fund decides that a portfolio  security would be overvalued and should be
sold at a certain price higher than the current price,  it could write an option
on the stock at the higher price. Should the stock subsequently reach that price
and the option be  exercised,  the Fund would,  in effect,  have  increased  the
selling  price of that  stock,  which it would  have  sold at that  price in any
event, by the amount of the premium.  In the event the market price of the stock
declined and the option were not exercised, the premium would offset all or some
portion  of the  decline.  It is  possible  that the  price of the  stock  could
increase  beyond the exercise  price;  in that event,  the Fund would forego the
opportunity to sell the stock at that higher price.

In  addition,  call  options  may be used as part  of a  different  strategy  in
connection with sales of portfolio  securities.  If, in the judgment of the Fund
Management, the market price of a stock is overvalued and it should be sold, the
Fund may elect to write a call option with an exercise price substantially below
the  current  market  price.  As long as the  value of the  underlying  security
remains above the exercise price during the term of the option, the option will,
in all  probability,  be  exercised,  in which case the Fund will be required to
sell the stock at the exercise price. If the sum of the premium and the exercise
price  exceeds  the  market  price of the  stock at the time the call  option is
written,  the Fund would,


                                       4


<PAGE>

in effect,  have  increased the selling  price of the stock.  The Fund would not
write a call  option in these  circumstances  if the sum of the  premium and the
exercise price were less than the current market price of the stock.

PUT OPTIONS ON STOCK.  The Fund may also write listed put  options.  If the Fund
writes a put option, it is obligated to purchase a given security at a specified
price at any time during the term of the option.

Writing listed put options is 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,  more  importantly,  because  Fund  Management  believes a more
defensive  and less fully  invested  position  is  desirable  in light of market
conditions.  If the Fund  Management  wishes to invest its cash or reserves in a
particular  security at a price lower than current market value,  it may write a
put option on that security at an exercise  price which reflects the lower price
it is willing to pay.  The buyer of the put option  generally  will not exercise
the option  unless the market  price of the  underlying  security  declines to a
price near or below the  exercise  price.  If the Fund writes a listed put,  the
price of the underlying stock declines and the option is exercised, the premium,
net of transaction charges,  will reduce the purchase price paid by the Fund for
the  stock.  The price of the stock  may  decline  by an amount in excess of the
premium,  in which event the Fund would have foregone an opportunity to purchase
the stock at a lower price.

If, prior to the exercise of a put option, the Fund determines that it no longer
wishes to invest in the stock on which the put option had been written, the Fund
may be  able  to  effect  a  closing  purchase  transaction  on an  exchange  by
purchasing  a put option of the same  series as the one which it has  previously
written.  The cost of effecting a closing  purchase  transaction  may be greater
than the premium  received  on writing the put option and there is no  guarantee
that a closing purchase transaction can be effected.


The Fund may only write  covered  put  options to the extent that cover for such
options  does not exceed 15% of its net  assets.  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.


Unless the Fund has other  liquid  assets  that are  sufficient  to satisfy  the
exercise of a call, the Fund would be required to liquidate portfolio securities
in order to satisfy the  exercise.  Because an exercise  must be settled  within
hours after receiving the notice of exercise, if the Fund fails to anticipate an
exercise,  it may have to borrow (in  amounts  not  exceeding  20% of the Fund's
total assets) pending  settlement of the sale of securities in its portfolio and
would incur interest charges thereon.

When the Fund has  written  a call,  there is also a risk  that the  market  may
decline  between  the time the call is written  and the time the Fund is able to
sell stocks in its  portfolio.  As with stock  options,  the Fund will not learn
that an index option has been  exercised  until the day  following  the exercise
date but,  unlike a call on stock  where the Fund would be able to  deliver  the
underlying securities in settlement, the Fund may have to sell part of its stock
portfolio  in order to make  settlement  in cash,  and the price of such  stocks
might decline before they can be sold. This timing risk makes certain strategies
involving more than one option  substantially more risky with index options than
with  stock  options.  For  example,  even if an index  call  which the Fund has
written  is  "covered"  by an index  call held by the Fund with the same  strike
price,  the Fund will  bear the risk  that the  level of the  index may  decline
between the close of trading on the date the  exercise  notice is filed with the
clearing corporation and the close of trading on the date the Fund exercises the
call it holds or the time the Fund  sells the call  which in either  case  would
occur no earlier than the day following the day the exercise notice was filed.

                                       2.

                              Trustees And Officers


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

The following  trustee is a partner of Lord,  Abbett & Co. ("Lord Abbett"),  The
General Motors Building, 767 Fifth Avenue, New York, New York 10153-0203. 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.


                                       5


<PAGE>

*Robert S. Dow, age 54, 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
Time Warner Inc.
1271 Avenue of the Americas
New York, New York

Senior Adviser, Time Warner Inc. (since 1998). Formerly,  Acting Chief Executive
Officer of Courtroom Television Network (1997 - 1998).  Formerly,  President and
Chief Executive  Officer of Time Warner Cable  Programming,  Inc. (1991 - 1997).
Prior to that,  President and Chief Operating  Officer of Home Box Office,  Inc.
Age 58.

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 61.

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 68.

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 73.

C. Alan MacDonald, Trustee
Directorship Inc.
8 Sound Shore Drive
Greenwich, Connecticut

Currently involved in golf development  management on a consultancy basis (since
1999).  Formerly,  Managing Director of The Directorship  Inc., a consultancy in
board management and corporate  governance  (1997-1999).  Prior to that, General
Partner of The Marketing Partnership,  Inc., a full service marketing consulting
firm (1994-1997). Prior to that, Chairman and Chief Executive Officer of Lincoln
Snacks, Inc., manufacturer of branded snack foods (1992-1994).  His


                                       6


<PAGE>

career  spans 36 years at  Stouffers  and  Nestle  with 18 of the years as Chief
Executive  Officer.  Currently  serves as Director of  DenAmerica  Corp.,  J. B.
Williams Company, Inc., Fountainhead Water Company and Exigent Diagnostics.  Age
66.

Hansel B. Millican, Jr., Trustee


Rochester Button Company
1328 Broadway (Suite 816)
New York, New York


President and Chief Executive  Officer of Rochester Button Company (since 1991).
Age 71.

Thomas J. Neff, Trustee


Spencer Stuart
277 Park Avenue
New York, New York


Chairman of Spencer Stuart,  an executive  search  consulting firm (since 1976).
Currently serves as a Director of Ace, Ltd. (NYSE). Age 62.

The second column of the following table sets forth the compensation accrued for
outside  trustees.  The third column sets forth  information with respect to the
pension or retirement benefits accrued for outside directors/trustees maintained
by the Lord Abbett-sponsored  funds. 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.

                        For the Fiscal Year July 31, 1998
                        ---------------------------------

<TABLE>
<CAPTION>
      (1)                (2)            (3)                 (4)

                                   Pension or             For Year Ended
                                   Retirement Benefits    December 31, 1998
                                   Accrued by the         Total Compensation
                  Aggregate        Company and          Paid by the Company and
                 Compensation      Thirteen Other Lord    Thirteen Other Lord
                 Accrued by        Abbett-sponsored       Abbett-sponsored
Name of          the Company(1)      Companies(2)         Companies(3)
Trustee

<S>                    <C>              <C>                         <C>
E. Thayer Bigelow      None            $17,622                    $57,400
William H.T. Bush*     None            $15,846                    $27,500
Robert B. Calhoun, Jr.** None          $12,276                    $33,500
Stewart S. Dixon         None          $32,420                    $56,500
John C. Jansing          None          $41,108(4)                 $55,500
C. Alan MacDonald        None          $26,763                    $55,000
Hansel B. Millican, Jr.  None          $37,822                    $55,500
Thomas J. Neff           None          $20,313                    $56,500


*Elected as of  August 13, 1998
**Elected as of June 17, 1998
</TABLE>


1.   Outside  directors/trustees'  fees, including attendance fees for board and
     committee meetings, are allocated among all Lord Abbett-sponsored companies
     based on the net assets of each fund.  A portion of the fees payable by the
     Company to its outside  trustees is being  deferred  under a plan  ("equity
     based  plan") that deems the  deferred  amounts to be invested in shares of
     the Company for later  distribution to the trustees.  Since the Lord Abbett
     Large-Cap  Growth  Fund is new,  no  compensation  has yet been paid to its
     trustees.


                                       7


<PAGE>

2.   The amounts in Column 3 were accrued by the Lord Abbett-sponsored Funds for
     the 12 months ended  October 31, 1999 with respect to the equity based plan
     established   for  independent   directors/trustees   in  1996.  This  plan
     supercedes  a   previously   approved   retirement   plan  for  all  future
     directors/trustees.  Current  directors  had the  option to  convert  their
     accrued  benefits under the retirement  plan. All of the outside  directors
     except  one  made  such  an  election.   Each  plan  also  provides  for  a
     pre-retirement  death benefit and  actuarially  reduced  joint-and-survivor
     spousal benefits.

3.   This column shows  aggregate  compensation,  including  directors/trustees'
     fees and  attendance  fees for board and  committee  meetings,  of a nature
     referred to in footnote one, paid by the Lord Abbett-sponsored funds during
     the year ended December 31, 1998 but does not include amounts accrued under
     the equity based plan and shown in Column 3.

4.   Mr.  Jansing  chose to continue to receive  benefits  under the  retirement
     plan,  which provides that outside  directors/  trustees may receive annual
     retirement 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 Company have
been associated with Lord Abbett for over five years. Messrs.  Carper,  Hilstad,
and Morris are  partners of Lord  Abbett;  the others are  employees.  None have
received compensation from the Fund.


Executive Vice President:


Stephen Humphrey,  age 55 (with Lord Abbett since 1999,  formerly Vice President
and Portfolio Manager at Chase Manhattan Bank from 1976 - 1999)

Vice Presidents:

Joan A. Binstock,  age 45 (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 47


Paul A. Hilstad,  age 56, Vice  President and Secretary  (with Lord Abbett since
1995;  formerly  Senior Vice President and General  Counsel of American  Capital
Management & Research, Inc.)

Lawrence  H.  Kaplan,  age 42 (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 54


A. Edward Oberhaus, age 39


Tracie E. Richter,  age 31 (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).


Treasurer:

Donna M. McManus, age 38 (with Lord Abbett since 1996, formerly a Senior Manager
at Deloitte & Touche LLP).


As of the date hereof, our officers and trustees, as a group, owned less than 1%
of the Fund's  outstanding shares and there were no record holders of 5% or more
of the Fund's outstanding shares, other than Lord Abbett Distributor.



                                       8


<PAGE>

                                       3.
                     Investment Advisory And Other Services


The services  performed by Lord Abbett are described  under  "Management" in the
Prospectus.  Under the Management Agreement, we are obligated to pay Lord Abbett
a monthly  fee,  based on  average  daily net assets for each month at an annual
rate of .75 of 1% for  the  Lord  Abbett  Large-Cap  Growth  Fund.  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.


Lord Abbett  Distributor  LLC, General Motors  Building,  767 Fifth Avenue,  The
General Motors Building,  New York, New York 10153-0203, serves as the principal
underwriter for the Company.

The Bank of New York  ("BNY"),  48 Wall  Street,  New  York,  New  York,  is the
Company's  custodian.  In accordance with the  requirements  of Rule 17f-5,  the
Company's  Board of Trustees have 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.


Deloitte & Touche LLP, Two World Financial  Center,  New York, New York, are the
independent  auditors of the  Company and must be approved at least  annually by
our Board of  Trustees  to  continue  in such  capacity.  Deloitte  & Touche LLP
perform  audit  services for the Fund,  including the  examination  of financial
statements included in the Fund's Annual Report to Shareholders.


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
Company.


                                       4.
                             Portfolio Transactions

The  Company'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,  we generally pay, 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 officers of each Lord Abbett-sponsored fund
and also are employees of Lord Abbett.  These traders do the trading as well for
other  accounts -- investment  companies  (of which they are also  officers) and
other  investment  clients -- managed by Lord Abbett.  They are  responsible for
obtaining best execution.


                                       9


<PAGE>

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.

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.

If two or more  broker-dealers are considered capable of offering the equivalent
likelihood  of  best  execution,   the  broker-dealer  who  has  sold  the  Lord
Abbett-sponsored  funds'  shares  and/or  shares of other Lord  Abbett-sponsored
funds may be preferred.

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.

The Lord Abbett-sponsored  funds will not seek "reciprocal" dealer business (for
the purpose of  applying  commissions  in whole or in part for their  benefit or
otherwise) from dealers as consideration  for the direction to them of portfolio
business.


                                       10


<PAGE>

                                       5.
                             Purchases, Redemptions
                            And Shareholder Services

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 Company  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 the NYSE or American Stock Exchange or on the
NASDAQ National  Market System 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  prices,  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.


The Fund has entered into a distribution  agreement with Lord Abbett Distributor
LLC, a New York  limited  liability  company  ("Lord  Abbett  Distributor")  and
subsidiary  of Lord Abbett 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. the

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.

ALTERNATIVE SALES ARRANGEMENTS


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.

CLASS A SHARES.  If you buy Class A shares,  you 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


                                       11


<PAGE>

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 "Buying Class A Shares" below.


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 LLC ("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 "Buying  Class B
Shares" below.

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 C shares are described in "Buying Class C Shares" below.

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 "Class P Rule 12b-1 Plan."
Class P shares are available to a limited number of investors.

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 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.

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.


                                       12


<PAGE>

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, as described below.

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 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.

Class A, B, C and P Rule 12b-1 Plans. 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  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,


                                       13


<PAGE>

maintaining   records,   and  assisting   shareholders  in  making  redemptions,
transfers,  additional  purchases  and  exchanges  and (ii) their  assistance in
distributing shares of the Fund.

Each Plan requires the 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")
(i) applies  regardless of class, (ii) will not apply to shares purchased by the
reinvestment of dividends or capital gains distributions; (iii) 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 (iv) 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 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  family of 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  family of 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 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 contingent  deferred sales charge will depend on the number of
years since you invested and the dollar amount being redeemed,  according to the
following schedule:

Anniversary of the Day on                     Contingent Deferred Sales Charge
Which the Purchase Order Was Accepted         on Redemptions (As % of Amount
                                              Subject to Charge)
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

In the table, an  "anniversary" is the 365th day subsequent to the acceptance of
a purchase  order or a prior  anniversary.  All purchases are considered to have
been made on the business day on which the purchase order was accepted.


                                       14


<PAGE>


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.


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.

The other funds and series which participate in the Telephone Exchange Privilege
(except (a) Lord Abbett U.S.  Government  Securities  Money  Market  Fund,  Inc.
("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) 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"
(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 family of 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.

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


                                       15


<PAGE>

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.

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) GSMMF or (iii) 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  prior to
the close of the NYSE in proper form. 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 Lord Abbett Series Fund  ("LASF")  which offers its
shares only in  connection  with certain  variable  annuity  contracts  and Lord
Abbett Equity Fund ("LAEF") which is not issuing shares.

STATEMENT  OF  INTENTION.  Under  the terms of the  Statement  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 LAEF,
LASF, LARF,  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 Statement 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  Statement  of  Intention is not  completed.  The  Statement of Intention is
neither a binding  obligation  on you to buy, nor on the Fund to sell,  the full
amount indicated.

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 LAEF, LARF,  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.

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


                                       16


<PAGE>

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 LARF,  LAEF and  LASF,  (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.

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


                                       17


<PAGE>

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.

                                       6.
                                   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.

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.


                                       18


<PAGE>

                                       7.
                                      Taxes


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  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  of its net  realized  short-term  capital  gains are  taxable  to
shareholders  as ordinary  income or capital gain,  whether  received in cash or
reinvested in additional shares of the Fund. The Fund will send each 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 U.S.  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.


                                       19


<PAGE>

If the Fund  purchases  shares in certain  foreign  investment  entities  called
"passive foreign investment  companies," the Fund may be subject to U.S. 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 either  the Fund or its  shareholders  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.

The  foregoing  discussion  relates  solely to U.S.  federal  income  tax law as
applicable  to U.S.  persons  (U.S.  citizens  or  residents  and United  States
domestic corporations,  partnerships,  trusts and estates). Each shareholder who
is not a U.S.  person  should  consult his tax adviser  regarding  the U.S.  and
foreign tax  consequences  of the  ownership of shares of a 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.



                                       20


<PAGE>

                                       8.
                          Information About the Company


The Company was formed as a business  trust under  Delaware law on September 29,
1999.  The  Company  offers five  classes of shares:  Class A, Class B, Class C,
Class P, and Class Y. Only the Fund's  Classes A, B, C and P are offered in this
Statement of Additional Information.  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
Company 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  public
accountants,  the approval of a contract  with a principal  underwriter  and the
election of trustees from the separate voting requirements.

The Company  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
Company's  Declaration of Trust,  shareholder meetings may be called at any time
by certain  officers of the Company or by a majority of the trustees (i) for the
purpose of taking action upon any matter  requiring the vote or authority of the
Company'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
shares of the Company's outstanding and entitled to vote at the meeting.


The  directors,  trustees and officers of Lord  Abbett-sponsored  mutual  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 mutual fund
to the extent contemplated by the recommendations of such Advisory Group.


                                       9.
                              Financial Statements

The  Statement  of Net Assets at December  14, 1999 and the report of Deloitte &
Touche LLP, independent auditors, on such statements are attached hereto.



                                       21


<PAGE>


                        LORD ABBETT LARGE-CAP GROWTH FUND

                             STATEMENT OF NET ASSETS

                                December 14, 1999

<TABLE>
<CAPTION>
Assets:

<S>                                                                                     <C>
Cash                                                                                    $   100,000
Prepaid offering costs (3)..............................................................      3,000
                                                                                            -------
Total Assets............................................................................$   103,000
                                                                                            =======
Liabilities:

Liabilities and accrued expenses                                                              3,000
                                                                                            -------
Net Assets:.............................................................................$   100,000

Net Assets Consist of:

Class A Shares of beneficial interest, $0.00 par value,
   100,000,000 shares authorized........................................................$      0.00
Class B Shares of beneficial interest, $0.00 par value,
   100,000,000 shares authorized........................................................       0.00
Class C Shares of beneficial interest, $0.00 par value,
   100,000,000 shares authorized........................................................       0.00
Class P Shares of beneficial interest, $0.00 par value,
   100,000,000 shares authorized........................................................       0.00
Class Y Shares of beneficial interest, $0.00 par value,
   100,000,000 shares authorized........................................................       0.00
Paid-in Capital in excess of par........................................................    100,000
                                                                                            -------
Net Assets:.............................................................................$   100,000
                                                                                            =======

Net Asset Value:

Class A - Based on net assets of $ 96,000 and 9,600 shares outstanding                  $     10.00
                                                                                              =====
Class B - Based on net assets of $ 1,000 and 100 shares outstanding.....................$     10.00
                                                                                              =====
Class C - Based on net assets of $ 1,000 and 100 shares outstanding.....................$     10.00
                                                                                              =====
Class P - Based on net assets of $ 1,000 and 100 shares outstanding.....................$     10.00
                                                                                              =====
Class Y - Based on net assets of $ 1,000 and 100 shares outstanding.....................$     10.00
                                                                                              =====
</TABLE>

Notes to Financial Statements

(1)  Lord Abbett  Large-Cap Growth Fund (the "Fund") was organized as a Delaware
     business trust on September 29, 1999 and is registered under the Investment
     Company Act of 1940. To date, the Fund


                                       22


<PAGE>

     has not had any  transactions  other than those relating to  organizational
     matters  and the sale of Class A,  Class B,  Class C,  Class P and  Class Y
     shares to Lord, Abbett & Co. ("LA").
(2)  The Fund has entered into an investment  advisory  agreement  with LA and a
     distribution   agreement   with   Lord,   Abbett   Distributor,   LLC  (the
     "Distributor").  (See  "Management  of the Funds - Management  and Advisory
     Arrangements" in the Statement of Additional Information.)
(3)  Prepaid  offering  cost  consist of legal fees  related  to  preparing  the
     initial  registration  statement,  and  will be  amortized  over a 12 month
     period  beginning  with the  commencement  of operations  of the Fund.  The
     Investment Adviser has agreed to bear all the costs of organizing the Fund,
     estimated to be $13,200.


<PAGE>

                                  LORD ABBETT
                             LARGE-CAP GROWTH FUND
                                 CLASS Y SHARES
                                   PROSPECTUS

                                December 30, 1999

[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.

     Class Y shares of the Fund are neither  offered to the  general  public nor
     are  available  in  all  states.   Please  call  800-821-5129  for  further
     information.

<PAGE>

                               TABLE OF CONTENTS

                                   The Fund

What you should know about the Fund

Goal/Principal Strategy                                    2
Main Risks                                                 2
Performance                                                3
Fees and Expenses

                                Your Investment

Information for managing your Fund account

Purchases                                                  4
Redemptions                                                5
Distributions and Taxes                                    5
Services For Fund Investors                                6
Management                                                 6

                              For More Information

How to learn more about the Fund

Other Investment Techniques                                8
Glossary of Shaded Terms                                   9

How to learn more about the Fund
and other Lord Abbett funds

Back Cover


<PAGE>


                                    The Fund

GOAL/PRINCIPAL STRATEGY

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

     Under normal circumstances,  the Fund will invest at least 65% of its total
     assets in equity  securities of large,  established  companies  with market
     capitalizations of at least $8 billion.  To identify  attractive  companies
     for investment,  the Fund uses a "bottom up" investment  research  approach
     that seeks to identify  individual  companies with expected earnings growth
     potential  and  consistency  that may not be  recognized  by the  market at
     large. This approach is based on the following steps:

     o    We  identify  large-capitalization  companies  with  at  least  a  10%
          consistent, sustainable growth rate;

     o    We  focus on  those  companies  demonstrating  a  positive  historical
          performance as well as favorable earnings prospects for the future;

     o    We focus on companies also demonstrating successful strategic business
          plan selection,  strategy and execution,  reflecting strong management
          leadership; and

     o    We focus on companies demonstrating  leadership positions within their
          industries.

     The fund maintains a long-term investment approach,  generally expecting to
     hold stocks for an average of over three years.  This strategy supports our
     style  of  reaping  the  rewards  of  successful,  well-run  companies  and
     investing in seasoned  managements  for the long term.  The Fund may take a
     temporary  defensive position by investing some of its assets,  most likely
     not more than 30%, in  short-term  debt  securities.  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,  as well as the particular  risks associated with growth
     stocks.  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.  Growth  stocks may grow
     faster than other  stocks and may be more  volatile.  In  addition,  if the
     Fund's  assessment of a company's  potential for growth is wrong, the price
     of the  company's  stock  may  decrease  below  the price at which the Fund
     purchased the stock. 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 the Lord Abbett Large-Cap Growth 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 mutual funds, it cannot guarantee results.

LARGE   COMPANIES  are   established   companies  that  are  considered   "known
quantities." Large companies often have the resources to weather economic shifts
although they can be slower to innovate than small companies. Bottom-up research
looks for 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 an industry
that, as a whole, is not performing well.

BOTTOM-UP RESEARCH looks for 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 an 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>

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)(1)

Management Fees (See "Management")                                         0.75%
Other Expenses                                                             0.35%
Total Annual Fund Operating  Expenses                                      1.10%

(1)  The annual  operating  expenses  are based on  estimated  expenses  for the
     current fiscal year.

- --------------------------------------------------------------------------------
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           $112                $350
- --------------------------------------------------------------------------------

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 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-advisors  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 security 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  (P.O.  Box  419100,  Kansas  City,  Missouri
     64141). The minimum initial investment is $1 million except for Mutual Fund
     Fee Based Programs,  which have 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 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.

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.


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.

     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.

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  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 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.

     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
     the 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 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.

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.

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.



MANAGEMENT

     The Fund's  investment  adviser is Lord, Abbett & Co., located at 767 Fifth
     Avenue,  New York, NY  10153-0203.  On or about  January 17, 2000,  the new
     address will be 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.

     The Fund pays Lord Abbett a monthly fee of .75% based on average  daily net
     assets  for each  month.  In  addition,  the Fund  pays  all  expenses  not
     expressly assumed by Lord Abbett.

     PORTFOLIO MANAGER.  Stephen Humphrey serves as Executive Vice President and
     Portfolio Manager of the Lord Abbett Large-Cap Growth Fund and is primarily
     responsible for the day-to-day  management of the Fund. Mr. Humphrey joined
     Lord Abbett in 1999;  prior to that he was a Vice  President  and Portfolio
     Manager at Chase Manhattan Bank from 1976 - 1999, managing private accounts
     from 1981 and pooled investment funds from 1985.

HISTORICAL PERFORMANCE OF THE PORTFOLIO MANAGER. From March 17, 1997
until August 17, 1999, Mr. Humphrey was primarily
responsible for the day-to-day management of the Chase Vista Select Large
Cap Growth Fund, a separate series of the Mutual Fund Select Group, a registered
investment company. As the portfolio manager of this fund, Mr. Humphrey had full
discretionary authority over the selection of investments for the fund. From the
fund's inception on January 1, 1997 until March 17, 1997, a team of investment
professionals at Chase Manhattan Bank, including Mr. Humphrey, was responsible
for the management of the fund's portfolio.


6 Your Investment


<PAGE>

     The  cumulative  total  return for the Chase Vista  Select Large Cap Growth
     fund from March 17, 1997  through  July 31, 1999 was  109.01%.  At July 31,
     1999,  this fund had $825.2  million in net  assets.  As shown in the table
     below,  average annual total returns for the one year period ended July 31,
     1999 and for the  period  during  which Mr.  Humphrey  managed  that  fund,
     compared with the  performance  of the Standard & Poor's  500(R)  Composite
     Stock Price Index ("S&P 500(R) Index") and the Lipper Large Cap Growth Fund
     average, were:

<TABLE>
<CAPTION>
<S>
- ---------------------------------------------------------------------------------------------
Average Annual Total Returns

- ---------------------------------------------------------------------------------------------
                             Chase Vista Select                           Lipper Large Cap
                          Large Cap Growth Fund(a)  S&P 500(R) Index(b)  Growth Fund Average
                             <C>                  <C>                 <C>
One Year Ending July 31, 1999  32.58%           20.20%              24.02%
March 20, 1997
 through July 31, 1999         36.59%(c)        27.05%(d)           29.41%(e)

</TABLE>

(a)  Average  annual  total  return   reflects   changes  in  share  prices  and
     reinvestment of dividends and distributions and is net of fund expenses.
(b)  The S&P 500 Index is an unmanaged index of common stocks that is considered
     to be generally representative of the United States stock market. The Index
     is adjusted to reflect reinvestment of dividends.
(c)  The average annual total return for the period from March 17, 1997
     through July 31, 1999 was 35.52%.
(d)  This  percentage  represents  the average  annual  return of the S&P 500(R)
     Index  during the period from March 20, 1997 through July 31, 1999 that
     Mr.  Humphrey  managed the Chase Vista Select Large Cap Growth Fund.
(e)  This  percentage  represents  the average annual return of the Lipper Large
     Cap Growth Fund  average  during the period from March 20, 1997
     through July 31, 1999 that Mr.  Humphrey  managed the Chase Vista Select
     Large Cap Growth Fund.

     Historical  performance is not indicative of future  performance.  Although
     the Lord Abbett  Large-Cap Growth Fund and the Chase Vista Select Large Cap
     Growth Fund have substantially similar investment objectives,  policies and
     strategies, the Chase Vista Select Large Cap Growth Fund is a separate fund
     and its historical  performance is not indicative of the future performance
     of the Lord Abbett  Large-Cap Growth Fund. For the periods shown above, the
     anticipated expenses of the Lord Abbett Large-Cap Growth Fund may have been
     higher than the  expenses of the Chase Vista  Select Large Cap Growth Fund.
     Higher expenses,  of course,  would reduce a fund's performance.  The Chase
     Vista Select Large Cap Growth Fund was the only investment vehicle that Mr.
     Humphrey  managed during the period he was employed at Chase Manhattan Bank
     that has or had substantially similar investment  objectives,  policies and
     strategies as those of the Lord Abbett  Large-Cap Growth Fund. Share prices
     and investment returns will fluctuate reflecting market conditions, as well
     as changes in company-specific fundamentals of portfolio securities.


                                                               Your Investment 7


<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.  Also,  these  strategies could
     result in losses if the  counterparty to a transaction  does not perform as
     promised.

     DIVERSIFICATION. The Fund is a diversified fund, which generally means that
     with  respect to 75% of its total  assets,  it will not purchase a security
     if, as a result,  more than 5% of the fund's total assets would be invested
     in  securities  of a single  issuer or the fund would hold more than 10% of
     the outstanding voting securities of the issuer. U.S. government securities
     are not subject to these requirements.

     FUTURES CONTRACTS AND OPTIONS ON FUTURES CONTRACTS. The Fund may enter into
     financial  futures  transactions.  A financial  futures  transaction is the
     purchase or sale of an exchange-traded  contract to buy or sell a specified
     financial instrument or index at a specific future date and price. The Fund
     will not enter  into any  futures  contracts,  or options  thereon,  if the
     aggregate market value of the securities  covered by futures contracts plus
     options on such financial futures exceeds 50% of its total assets.

     OPTIONS TRANSACTIONS.  The Fund may purchase and write put and call options
     on  equity  securities  or  stock  indices  that  are  traded  on  national
     securities exchanges.

     A put  option  gives the  buyer of the  option  the right to sell,  and the
     seller of the option  the  obligation  to buy,  the  underlying  instrument
     during the option  period.  The Fund may write only  covered put options to
     the extent  that cover for such  options  does not exceed 15% of the Fund's
     net  assets.  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.

     A call  option  gives the  buyer of the  option  the right to buy,  and the
     writer  (seller)  of the  option the  obligation  to sell,  the  underlying
     instrument. The Fund may only sell (write) covered call options. This means
     that the Fund may only sell call options on  securities  it owns.  When the
     Fund  writes  a call  option,  it gives  up the  potential  for gain on the
     underlying  securities in excess of the exercise price of the option during
     the period that the option is open.

     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 also involves the risk of loss if Lord Abbett
     is incorrect in its expectation of fluctuations


8 For More Information


<PAGE>

     in  securities  prices.  In addition,  the loss that may be incurred by the
     Fund in entering  into  futures  contracts  and in writing  call options on
     futures is  potentially  unlimited and may exceed the amount of the premium
     received.

     PORTFOLIO   SECURITIES   LENDING.   The  Fund  may   lend   securities   to
     broker-dealers  and financial  institutions as a means of earning income.
     This  practice  could  result in a loss or delay in  recovering  the Fund's
     securities,  if the borrower  defaults.  The Fund will limit its securities
     loans to 5% of its total assets and all loans will be fully collateralized.

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 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

           John Doe
- --------------------------------------------------
                            AUTHORIZED SIGNATURE
(960)                            X 9 6 0 3 4 7 0
SECURITIES TRANSFER AGENTS MEDALLION PROGRAM

  In the case of the corporation --
  ABC Corporation

    Mary B. Doe

    By Mary B. Doe, President

    [Date]

             SIGNATURE GUARANTEED
             MEDALLION GUARANTEED
              NAME OF GUARANTOR

            John Doe
- --------------------------------------------------
                            AUTHORIZED SIGNATURE
(960)                            X 9 6 0 3 4 7 0
SECURITIES TRANSFER AGENTS MEDALLION PROGRAM


YEAR 2000 ISSUES.  The Fund could be adversely affected if the computers used by
the Fund  and its  service  providers  do not  properly  process  and  calculate
date-related information from and after January 1, 2000.

Lord Abbett is working to avoid such problems and has received  assurances  from
the Fund's service providers that they are taking similar steps. Of course,  the
Year 2000 problem is unprecedented and, therefore,  Lord Abbett cannot eliminate
altogether the possibility that it or the Fund will be affected.

In  addition,  companies  in  which  the Fund  invests  may  experience  similar
difficulties.  These problems could negatively  affect the value of the issuer's
securities, which in turn could impact the Fund's performance.


                                                          For More Information 9


<PAGE>

                       THIS PAGE INTENTIONALLY LEFT BLANK


<PAGE>



     More information on this 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).

Lord Abbett Large-Cap Growth Fund
767 Fifth Avenue New York, NY 10153-0203

On or about January 17, 2000, the new address will be:

90 Hudson Street
Jersey City, NJ 07302-3973
- --------------------------
SEC file number: 811-9597

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
The General Motors Building
767 Fifth Avenue
New York, NY 10153-0203
On or about January 17, 2000, the
new address will be:
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].

laLcg-Y-1-1299

(12/99)


<PAGE>


LORD ABBETT

STATEMENT OF ADDITIONAL INFORMATION                           DECEMBER 30, 1999

                        LORD ABBETT LARGE-CAP GROWTH FUND

                                    Y SHARES

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 The General Motors  Building,  767 Fifth Avenue,
New York,  New York  10153-0203.  On or about January 17, 2000,  the new address
will be 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 30, 1999.

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.       Investment Policies                          2
                   2.       Trustees and Officers                        5
                   3.       Investment Advisory and Other Services       9
                   4.       Portfolio Transactions                       9
                   5.       Purchases, Redemptions
                            and Shareholder Services                    10
                   6.       Performance                                 12
                   7.       Taxes                                       12
                   8.       Information About The Company               13
                   9.       Financial Statements                        14


                                       1


<PAGE>

                                       1.
                               INVESTMENT POLICIES

The Lord  Abbett  Large-Cap  Growth  Fund (the  "Company"  or the  "Fund")  is a
diversified   open-end  management   investment  company  registered  under  the
Investment Company Act of 1940, as amended (the "Act").

FUNDAMENTAL  INVESTMENT  RESTRICTIONS.  The  Fund is  subject  to the  follo7ing
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 in this section 1 will be determined
at the time of the purchase or sale of the portfolio investments.

NON-FUNDAMENTAL  INVESTMENT  RESTRICTIONS.   In  addition  to  policies  in  the
Prospectus and the investment restrictions above which cannot be changed without
shareholder approval, the Fund is also 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


<PAGE>

     (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.

RIGHTS AND  WARRANTS.  The Fund may invest in rights and  warrants  to  purchase
securities,  including  warrants  which are not  listed on the NYSE or  American
Stock  Exchange  in an amount not to exceed 5% of the value of the Fund's  gross
assets.

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.
Warrants  represent the privilege to purchase  securities at a stipulated  price
and are usually valid for several  years.  Rights and warrants  generally do not
entitle a holder to  dividends or voting  rights with respect to the  underlying
securities  nor do they  represent  any  rights  in the  assets  of the  issuing
company.

Also, the value of a right or warrant may not necessarily  change with the value
of the underlying securities and rights and warrants cease to have value if they
are not exercised prior to their expiration date.

OPTIONS AND FINANCIAL FUTURES  TRANSACTIONS.  The Fund may engage in options and
financial futures  transactions in accordance with its investment  objective and
policies.  Although  the  Fund  is not  currently  employing  such  options  and
financial futures transactions, it may engage in such transactions in the future
if it appears  advantageous  to us to do so, in order to cushion  the effects of
fluctuating interest rates and adverse market conditions. The use of options and
financial  futures,  and possible  benefits and attendant  risks,  are discussed
below, along with information  concerning certain other investment  policies and
techniques.

FINANCIAL  FUTURES  CONTRACTS.  The Fund may enter into contracts for the future
delivery  of a financial  instrument,  such as a security or the cash value of a
securities  index.  This  investment  technique  is designed  primarily to hedge
(i.e.,  protect) against  anticipated future changes in interest rates or market
conditions  which otherwise might adversely affect the value of securities which
the Fund holds or intends to purchase.  A "sale" of a futures contract means the
undertaking  of a contractual  obligation to deliver the  securities or the cash
value of an index  called for by the  contract  at a  specified  price  during a
specified  delivery  period.  A  "purchase"  of a  futures  contract  means  the
undertaking of a contractual  obligation to acquire the securities or cash value
of an index at a specified price during a specified delivery period. At the time
of  delivery  pursuant  to the  contract,  adjustments  are  made  to  recognize
differences  in value arising from the delivery of securities  which differ from
those  specified  in the  contract.  In some cases,  securities  called for by a
futures  contract may not have been issued at the time the contract was written.
The Fund will not  enter  into any  futures  contracts  or  options  on  futures
contracts if the aggregate of the market value of the securities covered by such
outstanding contracts and options would exceed 50% of its total assets.

Although  some  financial  futures  contracts by their terms call for the actual
delivery or acquisition of securities, in most cases, a party will close out the
contractual  commitment  before delivery without having to make or take delivery
of the security by purchasing (or selling,  as the case may be) on a commodities
exchange an identical  futures  contract calling for delivery in the same month.
Such a  transaction,  if effected  through a member of an exchange,  cancels the
obligation to make or take delivery of the securities.  All  transactions in the
futures market are made, offset or fulfilled through a clearing house associated
with the  exchange  on which the  contracts  are  traded.  The Fund  will  incur
brokerage  fees when it  purchases  or sells  contracts  and will be required to
maintain margin deposits.  At the time it enters into a futures contract,  it is
required to deposit  with the  custodian,  on behalf of the broker,  a specified
amount of cash or  eligible  securities  called  "initial  margin."  The initial
margin  required  for a futures  contract  is set by the  exchange  on which the


                                       3


<PAGE>

contract is traded.  Subsequent payments, called "variation margin," to and from
the broker are made on a daily basis as the market price of the futures contract
fluctuates.  The costs incurred in connection  with futures  transactions  could
reduce our return.  Futures contracts entail risks. If the investment  adviser's
judgment about the general  direction of interest rates or markets is wrong, the
overall  performance  may be poorer than if no such  contracts  had been entered
into.

There may be an  imperfect  correlation  between  movements in prices of futures
contracts and  portfolio  securities  being hedged.  The degree of difference in
price  movements  between  futures  contracts and the  securities (or securities
indices)  being  hedged  depends  upon such things as  variations  in demand for
futures  contracts and  securities  underlying  the  contracts  and  differences
between  the  liquidity  of the markets for such  contracts  and the  securities
underlying  them.  In addition,  the market  prices of futures  contracts may be
affected by certain factors not directly  related to the underlying  securities.
At any given  time,  the  availability  of futures  contracts,  and hence  their
prices, are influenced by credit conditions and margin requirements.  Due to the
possibility  of price  distortions  in the  futures  market  and  because of the
imperfect  correlation  between  movements  in  the  prices  of  securities  and
movements  in the  prices of futures  contracts,  a correct  forecast  of market
trends  by the  investment  adviser  may  not  result  in a  successful  hedging
transaction.

CALL OPTIONS ON STOCK.  The Fund may,  from time to time,  write call options on
its  portfolio  securities.  The Fund may  write  only  call  options  which are
"covered,"  meaning that the Fund either owns the underlying  security or has an
absolute and immediate right to acquire that security,  without  additional cash
consideration, upon conversion or exchange of other securities currently held in
its  portfolio.  In  addition,  the Fund  will  not  permit  the call to  become
uncovered prior to the expiration of the option or termination through a closing
purchase  transaction as described below. If the Fund writes a call option,  the
purchaser of the option has the right to buy (and the Fund has the obligation to
sell) the underlying  security at the exercise price  throughout the term of the
option.  The  amount  paid to the Fund by the  purchaser  of the  option  is the
"premium."  The Fund's  obligation to deliver the  underlying  security  against
payment of the exercise  price would  terminate  either upon  expiration  of the
option or earlier if the Fund were to effect a  "closing  purchase  transaction"
through the purchase of an  equivalent  option on an  exchange.  There can be no
assurance that a closing purchase transaction can be effected. The Fund does not
intend  to write  covered  call  options  with  respect  to  securities  with an
aggregate market value of more than 5% of its gross assets at the time an option
is written.

The Fund  will not be able to  effect a closing  purchase  transaction  after it
receives  notice  of  exercise.  In order to  write a call  option,  the Fund is
required to comply with the rules of The Options  Clearing  Corporation  and the
various  exchanges  with respect to  collateral  requirements.  The Fund may not
purchase call options except in connection with a closing purchase  transaction.
It is possible that the cost of effecting a closing purchase  transaction may be
greater than the premium received by the Fund for writing the option.

Generally,  the Fund intends to write listed covered call options during periods
when it  anticipates  declines  in the  market  values of  portfolio  securities
because  the  premiums  received  may offset to some  extent the  decline in the
Fund's net asset value  occasioned by such  declines in market value.  Except as
part of the "sell discipline" described below, the Fund will generally not write
listed  covered call options when it  anticipates  that the market values of its
portfolio securities will increase.

One reason for the Fund to write call options is as part of a "sell discipline."
If the Fund decides that a portfolio  security would be overvalued and should be
sold at a certain price higher than the current price,  it could write an option
on the stock at the higher price. Should the stock subsequently reach that price
and the option be  exercised,  the Fund would,  in effect,  have  increased  the
selling  price of that  stock,  which it would  have  sold at that  price in any
event, by the amount of the premium.  In the event the market price of the stock
declined and the option were not exercised, the premium would offset all or some
portion  of the  decline.  It is  possible  that the  price of the  stock  could
increase  beyond the exercise  price;  in that event,  the Fund would forego the
opportunity to sell the stock at that higher price.

In  addition,  call  options  may be used as part  of a  different  strategy  in
connection with sales of portfolio  securities.  If, in the judgment of the Fund
Management, the market price of a stock is overvalued and it should be sold, the
Fund may elect to write a call option with an exercise price substantially below
the  current  market  price.  As long as the  value of the  underlying  security
remains above the exercise price during the term of the option, the option will,
in all  probability,


                                       4


<PAGE>

be  exercised,  in which case the Fund will be required to sell the stock at the
exercise  price.  If the sum of the premium and the exercise  price  exceeds the
market  price of the  stock at the time the call  option  is  written,  the Fund
would, in effect,  have increased the selling price of the stock. The Fund would
not write a call option in these circumstances if the sum of the premium and the
exercise price were less than the current market price of the stock.

PUT OPTIONS ON STOCK.  The Fund may also write listed put  options.  If the Fund
writes a put option, it is obligated to purchase a given security at a specified
price at any time during the term of the option.

Writing listed put options is 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,  more  importantly,  because  Fund  Management  believes a more
defensive  and less fully  invested  position  is  desirable  in light of market
conditions.  If the Fund  Management  wishes to invest its cash or reserves in a
particular  security at a price lower than current market value,  it may write a
put option on that security at an exercise  price which reflects the lower price
it is willing to pay.  The buyer of the put option  generally  will not exercise
the option  unless the market  price of the  underlying  security  declines to a
price near or below the  exercise  price.  If the Fund writes a listed put,  the
price of the underlying stock declines and the option is exercised, the premium,
net of transaction charges,  will reduce the purchase price paid by the Fund for
the  stock.  The price of the stock  may  decline  by an amount in excess of the
premium,  in which event the Fund would have foregone an opportunity to purchase
the stock at a lower price.

If, prior to the exercise of a put option, the Fund determines that it no longer
wishes to invest in the stock on which the put option had been written, the Fund
may be  able  to  effect  a  closing  purchase  transaction  on an  exchange  by
purchasing  a put option of the same  series as the one which it has  previously
written.  The cost of effecting a closing  purchase  transaction  may be greater
than the premium  received  on writing the put option and there is no  guarantee
that a closing purchase transaction can be effected.

The Fund may only write  covered  put  options to the extent that cover for such
options  does not exceed 15% of its net  assets.  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.

Unless the Fund has other  liquid  assets  that are  sufficient  to satisfy  the
exercise of a call, the Fund would be required to liquidate portfolio securities
in order to satisfy the  exercise.  Because an exercise  must be settled  within
hours after receiving the notice of exercise, if the Fund fails to anticipate an
exercise,  it may have to borrow (in  amounts  not  exceeding  20% of the Fund's
total assets) pending  settlement of the sale of securities in its portfolio and
would incur interest charges thereon.

When the Fund has  written  a call,  there is also a risk  that the  market  may
decline  between  the time the call is written  and the time the Fund is able to
sell stocks in its  portfolio.  As with stock  options,  the Fund will not learn
that an index option has been  exercised  until the day  following  the exercise
date but,  unlike a call on stock  where the Fund would be able to  deliver  the
underlying securities in settlement, the Fund may have to sell part of its stock
portfolio  in order to make  settlement  in cash,  and the price of such  stocks
might decline before they can be sold. This timing risk makes certain strategies
involving more than one option  substantially more risky with index options than
with  stock  options.  For  example,  even if an index  call  which the Fund has
written  is  "covered"  by an index  call held by the Fund with the same  strike
price,  the Fund will  bear the risk  that the  level of the  index may  decline
between the close of trading on the date the  exercise  notice is filed with the
clearing corporation and the close of trading on the date the Fund exercises the
call it holds or the time the Fund  sells the call  which in either  case  would
occur no earlier than the day following the day the exercise notice was filed.


                                       2.
                              TRUSTEES AND OFFICERS

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


                                       5


<PAGE>

The following  trustee is a partner of Lord,  Abbett & Co. ("Lord Abbett"),  The
General Motors Building, 767 Fifth Avenue, New York, New York 10153-0203. 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 54, 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
Time Warner Inc.
1271 Avenue of the Americas
New York, New York

Senior Adviser, Time Warner Inc. (since 1998). Formerly,  Acting Chief Executive
Officer of Courtroom Television Network (1997 - 1998).  Formerly,  President and
Chief Executive  Officer of Time Warner Cable  Programming,  Inc. (1991 - 1997).
Prior to that,  President and Chief Operating  Officer of Home Box Office,  Inc.
Age 58.

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 61.

ROBERT B. CALHOUN, JR., TRUSTEE
Monitor Clipper Partners
650 MADISON AVENUE, 9TH Floor
New York, New York

Managing  Director of Monitor Clipper Partners (since 1977) 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 68.

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 73.

C. ALAN MACDONALD, TRUSTEE
Directorship Inc.
8 Sound Shore Drive
Greenwich, Connecticut


                                       6


<PAGE>

Currently involved in golf development  management on a consultancy basis (since
1999).  Formerly,  Managing Director of The Directorship  Inc., a consultancy in
board management and corporate  governance  (1997-1999).  Prior to that, General
Partner of The Marketing Partnership,  Inc., a full service marketing consulting
firm (1994-1997). Prior to that, Chairman and Chief Executive Officer of Lincoln
Snacks, Inc., manufacturer of branded snack foods (1992-1994).  His career spans
36  years at  Stouffers  and  Nestle  with 18 of the  years  as Chief  Executive
Officer.  Currently  serves as  Director of  DenAmerica  Corp.,  J. B.  Williams
Company, Inc., Fountainhead Water Company and Exigent Diagnostics. Age 66.

HANSEL B. MILLICAN, JR., TRUSTEE
Rochester Button Company
1328 Broadway (Suite 816)
New York, New York

President and Chief Executive  Officer of Rochester Button Company (since 1991).
Age 71.

THOMAS J. NEFF, TRUSTEE
Spencer Stuart
277 Park Avenue
New York, New York

Chairman of Spencer Stuart,  an executive  search  consulting firm (since 1976).
Currently serves as a Director of Ace, Ltd. (NYSE). Age 62.

The second column of the following table sets forth the compensation accrued for
outside  trustees.  The third column sets forth  information with respect to the
pension or retirement benefits accrued for outside directors/trustees maintained
by the Lord Abbett-sponsored  funds. 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.

                     FOR THE FISCAL YEAR ENDED JULY 31, 1998

<TABLE>
<CAPTION>
         (1)             (2)             (3)                  (4)

                                     Pension or             For Year Ended
                                     Retirement Benefits    December 31, 1998
                                     Accrued by the         Total Compensation
                    Aggregate        Company and         Accrued by the Company
                    Compensation     Twelve Other Lord      and Thirteen Other
                    Accrued by       Abbett-sponsored     Lord Abbett-sponsored
Name of Director    the Company(1)   Companies(2)              Companies (3)
- ----------------    --------------  ------------               ------------

<S>                        <C>         <C>                        <C>
E. Thayer Bigelow          None      $17,622                    $ 57,400
William H.T. Bush*         None      $15,846                    $ 27,500
Robert B. Calhoun, Jr.**   None      $12,276                    $ 33,500
Stewart S. Dixon           None      $32,420                    $ 56,500
John C. Jansing            None      $41,108(4)                 $ 55,500
C. Alan MacDonald          None      $26,763                    $ 55,000
Hansel B. Millican, Jr.    None      $37,822                    $ 55,500
Thomas J. Neff             None      $20,313                    $ 56,500
</TABLE>

*Elected as of  August 13, 1998
**Elected as of June 17, 1998

1.   Outside  directors/trustees'  fees, including attendance fees for board and
     committee  meetings,  are allocated among


                                       7


<PAGE>

     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  trustees is being
     deferred under a plan ("equity based plan") that deems the deferred amounts
     to be  invested  in  shares  of the  Fund  for  later  distribution  to the
     directors/trustees.

2.   The amounts in Column 3 were accrued by the Lord Abbett-sponsored Funds for
     the 12 months ended  October 31, 1999 with respect to the equity based plan
     established   for  independent   directors/trustees   in  1996.  This  plan
     supercedes  a   previously   approved   retirement   plan  for  all  future
     directors/trustees.  Current  directors  had the  option to  convert  their
     accrued  benefits under the retirement  plan. All of the outside  directors
     except  one  made  such  an  election.   Each  plan  also  provides  for  a
     pre-retirement  death benefit and  actuarially  reduced  joint-and-survivor
     spousal benefits.

3.   This column shows  aggregate  compensation,  including  directors/trustees'
     fees and  attendance  fees for board and  committee  meetings,  of a nature
     referred to in footnote one, paid by the Lord Abbett-sponsored funds during
     the year ended December 31, 1998 but does not include amounts accrued under
     the equity based plan and shown in Column 3.

4.   Mr.  Jansing  chose to continue to receive  benefits  under the  retirement
     plan,  which provides that outside  directors/  trustees may receive annual
     retirement 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 Company have
been associated with Lord Abbett for over five years. Of the following,  Messrs.
Carper,  Hilstad  and  Morris  are  partners  of Lord  Abbett;  the  others  are
employees:

EXECUTIVE VICE PRESIDENT:

Stephen Humphrey,  age 55, (with Lord Abbett since 1999, formerly Vice President
& Portfolio Manager at Chase Manhattan Bank from 1976-1999)

VICE PRESIDENTS:

Joan Binstock,  age 45, (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 47

Paul A. Hilstad,  age 56, Vice  President and Secretary  (with Lord Abbett since
1995;  formerly  Senior Vice President and General  Counsel of American  Capital
Management & Research, Inc.)

Lawrence  H.  Kaplan,  age 42 (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 54

A. Edward Oberhaus, III, age 39

Tracie Richter,  age 31, (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).

TREASURER:

Donna M. McManus, age 38 (with Lord Abbett since 1996, formerly a Senior Manager
at Deloitte & Touche LLP).


                                       8


<PAGE>

As of the date hereof,  our officers and directors,  as a group, owned less than
1% of the Fund's  outstanding  shares and there were no record  holders of 5% or
more of the Fund's outstanding shares, other than Lord Abbett Distributor.

                                       3.
                     INVESTMENT ADVISORY AND OTHER SERVICES

The services  performed by Lord Abbett are described  under  "Management" in the
Prospectus.  Under the Management Agreement, we are obligated to pay Lord Abbett
a monthly  fee,  based on  average  daily net assets for each month at an annual
rate of .75 of 1% for Large-Cap  Growth Fund. These fees are allocated among the
classes  of the fund  based on the  classes'  proportionate  share of 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  directors'  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.

Lord Abbett Distributor LLC serves as the principal underwriter for the Company.

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

Deloitte & Touche LLP, Two World Financial  Center,  New York, New York, are the
independent  auditors of the  Company and must be approved at least  annually by
our Board of  Trustees  to  continue  in such  capacity.  Deloitte  & Touche LLP
perform audit  services for each Fund,  including the  examination  of financial
statements included in our Annual Report to Shareholders.

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
Funds.

                                       4.
                             PORTFOLIO TRANSACTIONS

The  Company'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,  we generally pay, 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 officers of each Lord Abbett-sponsored fund
and also are employees of Lord Abbett.  These traders do the trading as well for
other  accounts -- investment  companies  (of which they are also  officers) 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


                                       9


<PAGE>

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.

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.

If two or more  broker-dealers are considered capable of offering the equivalent
likelihood  of  best  execution,   the  broker-dealer  who  has  sold  the  Lord
Abbett-sponsored  funds'  shares  and/or  shares of other Lord  Abbett-sponsored
funds may be preferred.

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.

The Lord Abbett-sponsored  funds will not seek "reciprocal" dealer business (for
the purpose of  applying  commissions  in whole or in part for their  benefit or
otherwise) from dealers as consideration  for the direction to them of portfolio
business.

                                       5.
                             PURCHASES, REDEMPTIONS
                            AND SHAREHOLDER SERVICES

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

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 --


                                       10


<PAGE>

New Year's Day,  Martin  Luther King,  Jr. Day,  Presidents'  Day,  Good Friday,
Memorial Day, Independence Day, Labor Day, Thanksgiving and Christmas.

The Company  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 the New York or American Stock Exchange or on
the NASDAQ  National  Market  System 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 prices,
or, in the case of bonds, in the over-the-counter  market if, in the judgment of
the Funds'  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 Directors.

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

The Fund has entered into a distribution  agreement with Lord Abbett Distributor
LLC, a New York  limited  liability  company  ("Lord  Abbett  Distributor")  and
subsidiary  of Lord Abbett under which Lord Abbett  Distributor  is obligated to
use its best efforts to find purchasers for the shares of each 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.

CLASS Y  SHARE  EXCHANGES.  The  Prospectus  describes  the  Telephone  Exchange
Privilege.  You may  exchange  some or all of your Y shares  for Y shares of any
Lord  Abbett-sponsored  funds  currently  offering Class Y shares to the public.
Currently those other funds consist of Lord Abbett  Affiliated Fund, Lord Abbett
Investment Trust - High Yield Fund, Core Fixed Income Fund, Strategic Core Fixed
Income Fund,  Bond-Debenture  Fund,  Developing  Growth Fund,  and Mid-Cap Value
Fund, Growth Opportunities Fund,  International Fund, Small-Cap Value Fund, Lord
Abbett Securities Trust - Micro-Cap Growth Fund and Micro-Cap Value Fund.

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 each 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.


                                       11


<PAGE>

                                       6.
                                   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 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 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.

Our 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.  Yields for Class Y shares do not reflect the
deduction of any sales charge.

These 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 this  performance will be repeated in the
future.

                                       7.
                                      TAXES

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  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  of its net  realized  short-term  capital  gains are  taxable  to
shareholders  as ordinary  income or capital gain,  whether  received in cash or
reinvested in additional shares of the Fund. The Fund will send each 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.


                                       12


<PAGE>

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 U.S.  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 U.S. 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 either  the Fund or its  shareholders  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.

The  foregoing  discussion  relates  solely to U.S.  federal  income  tax law as
applicable  to U.S.  persons  (U.S.  citizens  or  residents  and United  States
domestic corporations,  partnerships,  trusts and estates). Each shareholder who
is not a U.S.  person  should  consult his tax adviser  regarding  the U.S.  and
foreign tax  consequences  of the  ownership of shares of a 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.

                                       8.
                          INFORMATION ABOUT THE COMPANY

The Company was formed as a business  trust under  Delaware law on September 29,
1999.  The  Company  offers five  classes of shares:  Class A, Class B, Class C,
Class P, and  Class  Y.  Only the  Fund's  Class Y shares  are  offered  in this
Statement of Additional Information.  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


                                       13


<PAGE>

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
Company 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  public
accountants,  the approval of a contract  with a principal  underwriter  and the
election of trustees from the separate voting requirements.

The Company  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
Company's  Declaration of Trust,  shareholder meetings may be called at any time
by certain  officers of the Company or by a majority of the trustees (i) for the
purpose of taking action upon any matter  requiring the vote or authority of the
Company'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
shares of the Company's outstanding and entitled to vote at the meeting.

The  directors,  trustees and officers of Lord  Abbett-sponsored  mutual  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 mutual fund
to the extent contemplated by the recommendations of such Advisory Group.

                                       9.
                              FINANCIAL STATEMENTS

The  Statement  of Net Assets at December  14, 1999 and the report of Deloitte &
Touche LLP, independent auditors, on such statements are attached hereto.


                                       14


<PAGE>

                        LORD ABBETT LARGE-CAP GROWTH FUND

                             STATEMENT OF NET ASSETS

                                DECEMBER 14, 1999

<TABLE>
<CAPTION>
ASSETS:

<S>                                                                                     <C>
Cash                                                                                    $ 100,000
PREPAID OFFERING COSTS (3)..............................................................    3,000
                                                                                          -------
TOTAL ASSETS............................................................................$ 103,000
                                                                                          =======
LIABILITIES:

LIABILITIES AND ACCRUED EXPENSES                                                            3,000
                                                                                          -------
NET ASSETS:.............................................................................$ 100,000
                                                                                          =======

NET ASSETS CONSIST OF:

Class A Shares of beneficial interest, $0.00 par value,

   100,000,000 shares authorized........................................................$    0.00
Class B Shares of beneficial interest, $0.00 par value,
   100,000,000 shares authorized........................................................     0.00
Class C Shares of beneficial interest, $0.00 par value,
   100,000,000 shares authorized........................................................     0.00
Class P Shares of beneficial interest, $0.00 par value,
   100,000,000 shares authorized........................................................     0.00
Class Y Shares of beneficial interest, $0.00 par value,
   100,000,000 shares authorized........................................................     0.00
PAID-IN CAPITAL IN EXCESS OF PAR........................................................  100,000
                                                                                          -------
NET ASSETS:.............................................................................$ 100,000
                                                                                          =======

NET ASSET VALUE:

CLASS A - BASED ON NET ASSETS OF $ 96,000 AND 9,600 SHARES OUTSTANDING..................$       10.00
                                                                                                =====
CLASS B - BASED ON NET ASSETS OF $ 1,000 AND 100 SHARES OUTSTANDING.....................$       10.00
                                                                                                =====
CLASS C - BASED ON NET ASSETS OF $ 1,000 AND 100 SHARES OUTSTANDING.....................$       10.00
                                                                                                =====
CLASS P - BASED ON NET ASSETS OF $ 1,000 AND 100 SHARES OUTSTANDING.....................$       10.00
                                                                                                =====
CLASS Y - BASED ON NET ASSETS OF $ 1,000 AND 100 SHARES OUTSTANDING.....................$       10.00
                                                                                                =====
</TABLE>

Notes to Financial Statements

(1)  Lord Abbett  Large-Cap Growth Fund (the "Fund") was organized as a Delaware
     business trust on September 29, 1999 and is registered under the Investment
     Company Act of 1940. To date, the Fund


                                       22


<PAGE>

     has not had any  transactions  other than those relating to  organizational
     matters  and the sale of Class A,  Class B,  Class C,  Class P and  Class Y
     shares to Lord, Abbett & Co. ("LA").
(2)  The Fund has entered into an investment  advisory  agreement  with LA and a
     distribution   agreement   with   Lord,   Abbett   Distributor,   LLC  (the
     "Distributor").  (See  "Management  of the Funds - Management  and Advisory
     Arrangements" in the Statement of Additional Information.)
(3)  Prepaid  offering  cost  consist of legal fees  related  to  preparing  the
     initial  registration  statement,  and  will be  amortized  over a 12 month
     period  beginning  with the  commencement  of operations  of the Fund.  The
     Investment Adviser has agreed to bear all the costs of organizing the Fund,
     estimated to be $13,200.

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