LORD ABBETT INVESTMENT TRUST
485APOS, 1995-12-22
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                                                     1933 Act File No. 33-68090
                                                     1940 Act File No. #811-7988


                        SECURITIES & EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM N-1A

          REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933           [X]
                         Post-Effective Amendment No. 6
                                                                            [X]
                                      And

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

                                Amendment No. 6
                                                                            [X]


                          LORD ABBETT INVESTMENT TRUST
                Exact Name of Registrant as Specified in Charter

                  767 FIFTH AVENUE, NEW YORK, N. Y. 10153-0203
                     Address of Principal Executive Office

                  Registrant's Telephone Number (212) 848-1800

                 Kenneth B. Cutler, Vice President & Secretary
                    767 FIFTH AVENUE, NEW YORK, N. Y. 10153
                    (Name and Address of Agent for Service)


It is proposed that this filing will become effective (check  appropriate box)

          immediately on filing pursuant to paragraph (b) of Rule 485

          on April 1, 1995 pursuant to paragraph (b) of Rule 485

          60 days after filing pursuant to paragraph (a) (1) of Rule 485

          on (date) pursuant to paragraph (a) (1) of Rule 485

 X        75 days after filing pursuant to paragraph (a) (2) of Rule 485
- --                                                                      

          on (date) pursuant to paragraph (a) (2) of Rule 485

If appropriate, check the following box:

     this  post-effective  amendment  designates  a  new  effective  date  for a
previously filed post-effective amendment

In  accordance  with Rule 24f-2 under the  Investment  Company  Act of 1940,  an
indefinite amount of Registrant's  shares of U.S.  Government  Securities Series
are being registered by this registration  statement under the Securities Act of
1933. Amount of Registration Fee: $500 for Securities Act of 1933 Registration.

Registrant  has  registered on behalf of its Limited  Duration  U.S.  Government
Securities  Series and Balanced Series an indefinite  amount of securities under
the Securities Act of 1933 pursuant to Rule  24f-2(a)(1) and a Rule 24f-2 Notice
for  these  two  series  for the most  recent  fiscal  year was  filed  with the
Commission on or about December 22, 1994.
                                   

<PAGE>


                                EXPLANATORY NOTE

     This  Post-Effective  Amendment No. 6 (the "Amendment") to the Registrant's
Registration  Statement relates to the U.S. Government  Securities Series of the
Registrant.

          The other series of shares of the  Registrant are listed below and are
offered  by the  Prospectus  in Part A of the  Post-Effective  Amendment  to the
Registrants'  Registration Statement as identified.  The following is a separate
series of shares of the Registrant.  This Amendment does not relate to, amend or
otherwise affect the Prospectus contained in the prior Post-Effective Amendment,
and pursuant to Rule 485(d) under the  Securities  Act of 1933,  does not affect
the effectiveness of such Post-Effective Amendment.

Limited Duration U.S.                                  Post-Effective
Government Securities Series                           Amendment No. 5
Balanced Series




                          LORD ABBETT INVESTMENT TRUST
                                   FORM N-1A
                             Cross Reference Sheet
                         Post-Effective Amendment No. 6
                            Pursuant to Rule 481(a)


Form N-1A                        Location In Prospectus or
Item No.                         Statement of Additional Information

1                                Cover Page
2                                Fee Table
3                                N/A
4 (a) (i)                        Cover Page
4 (a) (ii)                       Investment Objective; How We Invest
4 (b) (c)                        How We Invest
5 (a) (b) (c)                    Our Management; Back Cover Page
5 (d)                            N/A
5 (e)                            Back Cover Page
5 (f)                            Our Management
5 (g)                            N/A
5 A                              N/A
6 (a)                            Cover Page
6 (b) (c) (d)                    N/A
6 (e)                            Cover Page
6 (f) (g)                        Dividends, Capital Gains
                                 Distributions and Taxes
6 (h)                            N/A
7 (a)                            Back Cover Page
7 (b) (c) (d)
  (f)                            Purchases
7 (e)                            N/A
8                                Redemptions and Repurchases
9                                N/A
10                               Cover Page
11                               Cover Page - Table of Contents

<PAGE>

Form N-1A                        Location In Prospectus or
Item No.                         Statement of Additional Information
- ----------                       ------------------------------------

12                               N/A
13 (a) (b) (c)                   Investment Objective and Policies
13 (d)                           N/A
14                               Trustees and Officers
15 (a) (c)                       N/A
15 (b)                           Trustees and Officers
16 (a) (i)                       Investment Advisory and Other Services
16 (a) (ii)                      Trustees and Officers
16 (a) (iii)                     Investment Advisory and Other Services
16 (b)                           Investment Advisory and Other Services
16 (c) (d) (e)
   (g)                           N/A
16 (f)                           Purchases, Redemptions
                                 and Shareholder Services
16 (h)                           Investment Advisory and Other Services
16 (i)                           N/A
17 (a)                           Portfolio Transactions
17 (b)                           N/A
17 (c)                           Portfolio Transactions
17 (d) (e)                       N/A
18 (a)                           Cover Page
18 (b)                           N/A
19 (a) (b)                       Purchases, Redemptions
                                 and Shareholder Services
19 (c)                           N/A
20                               Taxes
21 (a)                           Purchases, Redemptions
                                 and Shareholder Services
21 (b) (c)                       N/A
22 (a)                           N/A
22 (b)                           Past Performance
23                               Financial Statements



<PAGE>


                          LORD ABBETT INVESTMENT TRUST
                          The General Motors Building
                                767 Fifth Avenue
                            New York, NY 10153-0203
                                  800-426-1130


                  The Lord Abbett U.S. Government Securities Series ("we" or the
"Series") is a separate series of Lord Abbett  Investment Trust (the "Fund"),  a
diversified,  open-end  management  investment  company  organized as a Delaware
business  trust on  August  16,  1993.  Currently,  the Fund  consists  of three
separate series -- the Lord Abbett Limited Duration U.S.  Government  Securities
Series,  the Lord Abbett  Balanced  Series,  and the Series,  which is effective
immediately. Only shares of the Series are being offered in this prospectus.

                  The Series'  investment  objective is high current income with
relatively  low risk of price  decline.  The Series will seek its  objective  by
investing primarily in intermediate- and long-term U.S.  Government  securities.
The Series will not change this objective  without first  obtaining  shareholder
approval.
There can be no assurance that the Series will achieve its objective.

                  This Prospectus sets forth concisely the information about the
Series that a  prospective  investor  should know before  investing.  Additional
information about the Fund and the Series has been filed with the Securities and
Exchange  Commission and is available upon request without charge. The Statement
of Additional  Information is incorporated by reference into this Prospectus and
may  be  obtained,  without  charge,  by  writing  to  the  Fund  or by  calling
800-874-3733.  Ask for "Part B of the  Prospectus -- the Statement of Additional
Information".

     The date of this  Prospectus  and the date of the  Statement of  Additional
Information is March 6, 1996.

                                   PROSPECTUS

                  Investors should read and retain this Prospectus.  Shareholder
inquiries should be made in writing to the Fund or by calling 800-821-5129.  You
can also make inquiries through your broker-dealer.

                  Shares of the Series are not  deposits or  obligations  of, or
guaranteed or endorsed by, any bank and the shares are not federally  insured by
the Federal  Deposit  Insurance  Corporation,  the Federal Reserve Board, or any
other agency. An investment in the Series involves risks, including the possible
loss of principal.

THESE  SECURITIES  HAVE NOT BEEN APPROVED OR  DISAPPROVED  BY THE SECURITIES AND
EXCHANGE  COMMISSION OR ANY STATE  SECURITIES  COMMISSION NOR HAS THE SECURITIES
AND  EXCHANGE  COMMISSION  OR ANY STATE  SECURITIES  COMMISSION  PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.

INVESTMENT OBJECTIVE                                   3

FEE TABLE                                              4

HOW WE INVEST                                          5

PURCHASES                                              8

SHAREHOLDER SERVICES                                   13

OUR MANAGEMENT                                         14

DIVIDENDS, CAPITAL GAINS DISTRIBUTIONS AND TAXES       16

REDEMPTIONS                                            17

PERFORMANCE                                            18









<PAGE>


1    INVESTMENT OBJECTIVE

                  The investment  objective of the Series is high current income
with  relatively  low  risk of price  decline.  The  shares  of the  Series  can
fluctuate  in value more than  short-duration  U.S.  Government  securities  and
consistent with  intermediate-duration  U.S. Government securities like those we
hold. For example,  assuming a portfolio duration of eight years, an increase in
interest  rates of 1%, a parallel  shift in the yield curve and no change in the
spread  relationships  among  mortgage-related  securities,  the  value  of  the
portfolio  would  decline 8%.  Using the same  assumptions,  if  interest  rates
decrease 1%, the value of the  portfolio  would  increase  8%. This  volatility,
while not eliminated,  is managed by the investment policy of Lord, Abbett & Co.
("Lord  Abbett") to  maintain  the average  duration of  securities  held by the
Series at between three and eight years. "Duration" is the weighted average time
to receipt of all cash flows due by maturity from an obligation.




<PAGE>


2    FEE TABLE

                  A summary of the  Series'  expenses  is set forth in the table
below.  The example is not a representation  of past or future expenses.  Actual
expenses may be greater or less than those shown.
<TABLE>
<CAPTION>
<S>                                                                            <C>
Shareholder Transaction Expenses
(as a percentage of offering price)
Maximum Sales Load(1) on Purchases (See "Purchases")                               4.75%
Redemption Fee (See "Purchases")                                                   None(2)
Deferred Sales Load(1)                                                             None(2)
Annual Fund Operating Expenses (as a percentage of average net assets)
Management Fee (See "Our Management")                                              .50%(3)
12b-1 Fees (See "Purchases")                                                       .__%(3)
Other Expenses (See "Our Management")                                              .__%(3)
Total Operating Expenses                                                           .__%(3)
<FN>

Example:  Assume an  annual  return of 5% and there is no change in the level of
expenses  described above. For every $1,000 invested,  with  reinvestment of all
distributions,  you would pay the  following  total  expenses if you closed your
account after the number of years indicated.

                  1 year   3 years
                  $56(4)   $75(4)

(1) Sales "load" is referred to as sales  "charge" and "deferred  sales load" is
referred  to as  "contingent  deferred  reimbursement  charge"  throughout  this
Prospectus.

(2) Redemptions of shares on which the Series' 1% Rule 12b-1 sales  distribution
fee for  purchases  of $1  million  or more has been  paid are  subject  to a 1%
contingent  deferred  reimbursement  charge,  if the redemption occurs within 24
months  after the month of  purchase,  subject to certain  exceptions  described
herein. See "12b-1 Plan" under "Purchases" for a description of the Plan.

(3) The  Series  expenses  are  estimated  for the  fiscal  year.  Although  not
obligated  to,  Lord  Abbett  may waive its  management  fee and  subsidize  the
operating expenses with respect to the Series.

(4)        Based on total estimated operating expenses shown in the table above.

The  foregoing  is provided  to give  investors  a better  understanding  of the
expenses that are incurred by an investment In the Series.

</FN>
</TABLE>

<PAGE>


3    HOW WE INVEST

                  The Series seeks high current income with  relatively low risk
of price  decline.  To  achieve  this  goal,  the  Series  will  invest  in U.S.
Government  securities.  U.S.  Government  securities  include:  (1) obligations
issued by the U.S. Treasury,  differing only in their interest rates, maturities
and time of issuance, and including Treasury bills maturing in one year or less,
Treasury notes  maturing in one to ten years and Treasury bonds with  maturities
of over ten years and (2)  obligations  issued or guaranteed by U.S.  Government
agencies and instrumentalities which are supported by any of the following:  (a)
the full faith and  credit of the United  States  (such as  Government  National
Mortgage  Association  ("GNMA")  certificates),  (b) the right of the  issuer to
borrow from the U.S. Treasury or (c) the credit of the instrumentality. Agencies
and  instrumentalities  include the Federal  Home Loan Bank,  Federal  Home Loan
Mortgage Corporation, Federal National Mortgage Association, Federal Farm Credit
Bank, Student Loan Marketing Association,  Tennessee Valley Authority, Financing
Corporation and Resolution Funding  Corporation.  Obligations issued by the U.S.
Treasury and by U.S. Government agencies and instrumentalities  include those so
issued in a form  separated into their  component  parts of principal and coupon
payments,  i.e., "component  securities." A security backed by the U.S. Treasury
or a U.S. Government agency,  although providing substantial  protection against
credit  risk,  is  guaranteed  only as to the  timely  payment of  interest  and
principal when held to maturity.  The market prices for such  securities are not
guaranteed and will fluctuate and, accordingly, such securities will not protect
investors against price changes due to changing interest rates.  Longer maturity
U.S.  Government  securities may exhibit greater price volatility in response to
changes in interest rates than shorter maturity securities. In addition, certain
U.S. Government securities may show even greater volatility if, for example, the
interest  payment  component  has been removed,  as with zero coupon bonds.  The
value of shares of the Series  will  change as the  general  levels of  interest
rates  fluctuate.  When interest rates  decline,  share value can be expected to
rise.  Conversely,  when  interest  rates  rise,  share value can be expected to
decline.

                  Investments  in GNMA  certificates,  which  are  pools of home
mortgages  and other  mortgage-backed  securities,  are subject to prepayment of
principal as mortgages are prepaid.  The Series must reinvest these  prepayments
at prevailing  rates,  which may be lower than the yield of the GNMA certificate
or other mortgage-backed securities.  These prepayments will result in a further
reduction in principal if the GNMA certificate or other mortgage-backed security
is  trading  over par.  Mortgage  prepayments  generally  increase  in a falling
interest  rate  environment  and,  accordingly,  often  result in a reduction of
principal.  In a rising interest rate  environment,  prepayments tend to decline
which increases the duration and volatility of such GNMA certificates.

                  The   Series   may   invest   in  liquid   interest-only   and
principal-only  mortgage-backed  securities backed by fixed-rate mortgages under
guidelines  established by the Board of Trustees of the Fund to assure that they
may be sold  promptly in the ordinary  course of business at a value  reasonably
close to that used in calculating the Series' net asset value per share.

                  Although the longer maturity U.S. Government securities,  zero
coupon bonds, GNMA certificates and other  mortgage-backed  securities mentioned
above may be volatile, this volatility,  while not eliminated, is managed by the
above-mentioned  policy of Lord  Abbett to  maintain  the  average  duration  of
securities held by the Series at between three and eight years.

                  While  growth of capital is not an  objective  of the  Series,
capital appreciation may result from efforts to secure high current income.

                  The  Series  may  purchase  U.S.  Government  securities  on a
when-issued  basis and,  while  awaiting  delivery  and  before  paying for them
("settlement"),  normally may invest in short-term U.S.  Government.  The Series
does not start earning interest on these when-issued securities until settlement
and often they are sold prior to settlement.  While this investment strategy may
contribute significantly to a portfolio turnover rate in excess of 100%, it will
have little or no transaction  cost or adverse tax  consequences for the Series.
Transaction  costs  normally  do  not  involve  brokerage  because  the  Series'
fixed-income  portfolio transactions usually are on a principal basis and at the
time of purchase we normally  anticipate  that any markups  charged will be more
than offset by the anticipated economic benefits of the transaction.  During the
period  between  purchase  and  settlement,  the  value of the  securities  will
fluctuate and assets consisting of cash and/or  marketable  securities marked to
market  daily in an amount  sufficient  to make  payment at  settlement  will be
segregated at the Series' custodian in order to pay for the commitment. There is
a risk that market  yields  available  at  settlement  may be higher than yields
obtained on the purchase date which could result in depreciation of value.

                  The  Series  may  engage  in  the  lending  of  its  portfolio
securities.  These  loans may not exceed 30% of the value of the  Series'  total
assets. In such an arrangement the Series lends securities from its portfolio to
registered  broker-dealers.  Such loans are  continuously  collateralized  by an
amount at least equal to 100% of the market value of the securities loaned. Cash
collateral  is  invested  in  obligations  issued  or  guaranteed  by  the  U.S.
Government  or its  agencies,  or  repurchase  agreements  with  respect  to the
foregoing.  As with  other  extensions  of  credit,  there are risks of delay in
recovery and market loss should the borrowers of the portfolio  securities  fail
financially.

                  The Series will not borrow money except as a temporary measure
for  extraordinary  or  emergency  purposes  and then not in excess of 5% of its
gross  assets  (at cost or  market  value,  whichever  is  lower) at the time of
borrowing.

                  The Series may enter into  repurchase  agreements with respect
to a security.  A  repurchase  agreement  is a  transaction  by which the Series
acquires a security and  simultaneously  commits to resell that  security to the
seller (a bank or  securities  dealer) at an agreed upon price on an agreed upon
date. Such repurchase agreement must, at all times, be collateralized by cash or
U.S.  Government  securities having a value equal to, or in excess of, the value
of the repurchase agreement.

4    PURCHASES

                  You may buy  shares  of the  Series  through  any  independent
securities  dealer  having a sales  agreement  with Lord Abbett,  our  exclusive
selling agent.  Place your order with your investment  dealer or send it to Lord
Abbett  Investment  Trust--U.S.  Government  Securities Series (P.O. Box 419100,
Kansas City,  Missouri 64141). The minimum initial investment is $500 except for
Invest-A-Matic   and  Div-Move  ($250  initial  and  $50  monthly  minimum)  and
Retirement  Plans  ($250  minimum).  Subsequent  investments  may be made in any
amount. See "Shareholder Services".

                  The net asset value of the Series' shares is calculated  every
business day as of the close of the New York Stock Exchange ("NYSE") by dividing
net assets by the number of shares  outstanding.  Securities are valued at their
market value as more fully described in the Statement of Additional Information.

                  Orders for shares received by the Series prior to the close of
the NYSE or received by dealers  prior to such close and received by Lord Abbett
prior to the close of its business  day,  will be  confirmed  at the  applicable
public offering price  effective at such NYSE close.  Orders received by dealers
after the NYSE  closes and  received  by Lord Abbett in proper form prior to the
close of its next business day are executed at the  applicable  public  offering
price  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.  A
business day is a day on which the NYSE is open for trading.

                  For  information  regarding  the proper  form of a purchase or
redemption order, call the Fund at 800-821-5129. This offering may be suspended,
changed or withdrawn. Lord Abbett reserves the right to reject any order.

                  The offering  price is based on the  per-share net asset value
calculated as of the times described above plus a sales charge as follows:
<TABLE>
<CAPTION>
                                          Sales Charge as a               Dealer's          To Compute
                                           Percentage of:              Concession as a    Offering Price,
                                                                        Percentage of      Divide NAV by
                                                                       Offering Price*
      Size of Investment          Offering Price      Net Amount
                                                      Invested
<S>                                <C>                <C>                <C>                <C>            
Less than $50,000                   4.75%              4.99%              4.00%              .9525
$50,000 to $99,999                  4.75%              4.99%              4.25%              .9525
$100,000 to $249,999                3.75%              3.90%              3.25%              .9625
$250,000 to $499,999                2.75%              2.83%              2.50%              .9725
$500,000 to $999,999                2.00%              2.04%              1.75%              .9800
$1,000,000 or more                      No Sales Charge                   1.00%             1.0000
<FN>
*    Lord Abbett may, for  specified  periods,  allow dealers to retain the full
     sales charge for sales of shares during such periods,  or pay an additional
     concession  to a dealer  who,  during a specified  period,  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.  Lord
     Abbett may, from time to time, implement promotions under which Lord Abbett
     will pay a fee to dealers with respect to certain  purchases  not involving
     the imposition of a sales charge. Additional payments may be paid from Lord
     Abbett's  own  resources  and  will  be made In the  form  of cash  or,  if
     permitted,  non-cash payments.  The non-cash payments will include business
     seminars at resorts or other locations,  including meals and entertainment,
     or the receipt of  merchandise.  The cash payments will include  payment of
     various business expenses of the dealer.
</FN>
</TABLE>
         In selecting dealers to execute portfolio transactions,  if two or more
dealers are considered  capable of providing best  execution,  we may prefer the
dealer who has sold our  shares  and/or  shares of other  Lord  Abbett-sponsored
funds.

         Volume Discounts.  This section describes several ways to qualify for a
lower sales  charge if you inform Lord Abbett or the Fund that you are  eligible
at the time of purchase.

         (1) Any purchaser (as described  below) may aggregate a purchase in the
Series with purchases of any other eligible Lord Abbett-sponsored fund, together
with the current value at maximum  offering  price of any shares in the Fund and
in any eligible Lord Abbett-sponsored funds held by the purchaser.  (Holdings in
the following funds are not eligible for the above rights of accumulation:  Lord
Abbett  Equity Fund  ("LAEF"),  Lord Abbett  Series Fund  ("LASF"),  Lord Abbett
Research Fund if not offered to the general public ("LARF") and Lord Abbett U.S.
Government Securities Money Market Fund ("GSMMF"),  except for existing holdings
in GSMMF which are attributable to shares exchanged from a Lord Abbett-sponsored
fund  offered  with a front-end  sales  charge or from a fund in the Lord Abbett
Counsel  Group.) (2) A purchaser  may sign a non-binding  13 month  statement of
intention to invest $100,000 or more in the Fund or in any of the above eligible
funds. If the intended purchases are completed during the period,  each purchase
will  be at the  sales  charge,  if any,  applicable  to the  aggregate  of such
purchaser's intended purchases.  If not completed,  each purchase will be at the
sales  charge for the  aggregate  of the actual  purchases.  Shares  issued upon
reinvestment of dividends or distributions  are not included in the statement of
intention.  The term "purchaser" includes (i) an individual,  (ii) an individual
and his or her  spouse and  children  under the age of 21 and (iii) 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.

         Shares of the Series may be purchased at net asset value by trustees of
the Fund, 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 trustee or custodian  under any pension
or  profit-sharing  plan or Payroll Deduction IRA established for the benefit of
such persons or for the benefit of 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 "trustees" and "employees"  include a trustee's or
employee's  spouse  (including  the  surviving  spouse of a deceased  trustee or
employee).  The terms  "trustees"  and  "employees  of Lord Abbett" also include
other family members and retired  trustees and  employees.  Shares of the Series
also may be  purchased  at net asset  value (a) at $1 million or more,  (b) with
dividends and distributions from other Lord  Abbett-sponsored  funds, except for
dividends  and  distributions  on shares  of LARF,  LAEF,  LASF and Lord  Abbett
Counsel Group, (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 in  accordance  with  certain  standards  approved  by Lord  Abbett,
providing  specifically  for  the  use  of  the  Series'  shares  in  particular
investment  products  made  available  for a fee to  clients  of  such  brokers,
dealers, registered investment advisers and other financial institutions, (e) by
employees,  partners and owners of unaffiliated consultants and advisers to Lord
Abbett or Lord  Abbett-sponsored  funds who  consent  to such  purchase  if such
persons provide  services to Lord Abbett or such funds on a continuing basis and
are  familiar  with such  funds and (f)  subject to  appropriate  documentation,
through a securities  dealer  where the amount  invested  represents  redemption
proceeds from shares  ("Redeemed  Shares") of a registered  open-end  management
investment company not distributed or managed by Lord Abbett (other than a money
market fund),  if such  redemptions  have occurred no more than 60 days prior to
the purchase of the Series'  shares,  the Redeemed Shares were held for at least
six months prior to redemption and the proceeds of redemption were maintained in
cash or a money market fund prior to purchase.  Purchasers  should  consider the
impact, if any, of contingent  deferred sales charges in determining  whether to
redeem shares for subsequent  investment in our shares.  Lord Abbett may suspend
or terminate the purchase option referred to in (f) above at any time.

         The Series' assets may be issued at net asset value in exchange for the
assets, subject to possible tax adjustment,  of a personal holding company or an
investment company.

         Rule 12b-1 Plan. The Fund, on behalf of the Series,  has adopted a Rule
12b-1 Plan (the "Plan") which authorizes Lord Abbett to pay distribution fees to
dealers  in order  to  provide  additional  incentives  for them (a) to  provide
continuing information and investment services to their shareholder accounts and
otherwise to encourage  their accounts to remain  invested in the Series and (b)
to sell shares of the  Series.  Under the Plan  (except as to certain  accounts,
such as those for which  tracking  data is not  available)  the Series pays Lord
Abbett, who passes on to dealers,  (1) an annual service fee (payable quarterly)
of .25% of the average daily net asset value of the Series' shares  attributable
to sales by dealers on or after  September 1, 1985 and .15% of the average daily
net asset value of shares sold by dealers  prior to that date and (2) a one-time
1% sales  distribution fee, at the time of sale, on all shares at the $1 million
level sold by dealers  including sales qualifying at such level under the rights
of accumulation and statement of intention  privileges.  Lord Abbett is required
to pay the sales  distribution  fee to dealers as  compensation  for selling our
shares.

         Holders of shares on which the 1% sales  distribution fee has been paid
will be required to pay to the Series a contingent deferred reimbursement charge
of 1% of the original  cost or the then net asset value,  whichever is less,  of
all shares so  purchased  which are  redeemed  out of the Lord  Abbett-sponsored
family of funds on or before the end of the twenty-fourth  month after the month
in which  the  purchase  occurred.  (An  exception  is made for  redemptions  by
tax-qualified  plans under Section 401 of the Internal  Revenue Code for benefit
payments  due  to  plan  loans,  hardship  withdrawals,   death,  retirement  or
separation from service with respect to plan  participants.)  If the shares have
been exchanged into another Lord Abbett fund and are thereafter  redeemed out of
the Lord Abbett  family on or before the end of such  twenty-fourth  month,  the
charge  will be  collected  for the Series by the other  fund.  The Series  will
collect  such a charge  for  other  Lord  Abbett-sponsored  funds  in a  similar
situation. Shares of a fund or series on which the 1% sales distribution fee has
been paid may not be exchanged  into a fund or series with a Rule 12b-1 Plan for
which the payment provisions have not been in effect for at least one year.

5    SHAREHOLDER SERVICES

We offer the following shareholder services:
         Telephone  Exchange  Privilege:  Shares  may be  exchanged,  without  a
service charge, for those of any other Lord Abbett-sponsored fund except for (i)
LAEF, LASF and Lord Abbett Counsel Group and (ii) certain tax-free  single-state
series where the  exchanging  shareholder is a resident of a state in which such
series is not offered for sale (together, "Eligible Funds").

         You or your representative with proper  identification can instruct the
Fund  to  exchange  uncertificated  shares  (held  by  the  transfer  agent)  by
telephone.  Shareholders  have this privilege  unless they refuse it in writing.
The Fund will not be liable for following instructions communicated by telephone
that it reasonably believes to be genuine and will employ reasonable  procedures
to confirm that instructions  received are genuine,  including requesting proper
identification,  and  recording all telephone  exchanges.  Instructions  must be
received  by the Fund in Kansas  City  (800-521-5315)  prior to the close of the
NYSE to obtain  each  fund's  net asset  value per share on that day.  Expedited
exchanges  by  telephone  may be  difficult  to  implement  in times of  drastic
economic or market  change.  The exchange  privilege  should not be used to take
advantage of  short-term  swings in the market.  The Fund  reserves the right to
terminate  or  limit  the  privilege  of  any  shareholder  who  makes  frequent
exchanges.  The Fund can revoke the privilege for all shareholders upon 60 days'
prior written  notice.  A prospectus  for the other Lord  Abbett-sponsored  fund
selected by you should be obtained and read before an exchange.  Exercise of the
Exchange  Privilege  will be treated as a sale for federal  income tax  purposes
and, depending on the circumstances, a capital gain or loss may be recognized.

         Systematic Withdrawal Plan: Except for retirement plans for which there
is no such minimum,  if the maximum offering price value of your  uncertificated
shares is at least $10,000, you may have periodic cash withdrawals automatically
paid to you in either fixed or variable amounts.

         Div-Move:  You can  invest  the  dividends  paid on your  account  ($50
minimum monthly investment) into an existing account 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:  You can make  fixed,  periodic  investments  ($50  minimum
monthly  investment)  into  the  Series  and/or  any  Eligible  Fund by means of
automatic money transfers from your bank checking  account.  You should read the
prospectus of the other fund before investing.

         Retirement Plans: Lord Abbett makes available the retirement plan forms
and custodial  agreements for IRAs  (Individual  Retirement  Accounts  including
Simplified  Employee  Pensions),  403(b)  plans and pension  and  profit-sharing
plans.

     All correspondence should be directed to Lord Abbett Investment Trust--U.S.
Government  Securities  Series (P.O. Box 419100,  Kansas City,  Missouri  64141;
800-821-5129).

6    OUR MANAGEMENT

         Our business is managed by our officers on a day-to-day basis under the
overall direction of our Board of Trustees.  We employ Lord Abbett as investment
manager pursuant to a Management  Agreement.  Lord Abbett has been an investment
manager for over 60 years and currently  manages  approximately $18 billion in a
family  of  mutual  funds  and other  advisory  accounts.  Under the  Management
Agreement,  Lord Abbett  provides us with  investment  management  services  and
personnel,  pays the  remuneration of our officers and our Trustees  affiliated
with Lord  Abbett,  provides  us with  office  space and pays for  ordinary  and
necessary office and clerical  expenses  relating to research,  statistical work
and  supervision of our portfolio and certain other costs.  Lord Abbett provides
similar services to fifteen other funds having various investment objectives and
also  advises  other  investment  clients.   Zane  E.  Brown,  Trustee  of  the
fixed-income group, will serve as portfolio manager of the Series. Mr. Brown has
over 19 years of investment experience and has been with Lord Abbett since 1992.
Mr.  Brown is assisted  by, and may  delegate  management  duties to, other Lord
Abbett employees who may be Fund officers.

         Under the Management  Agreement,  we are obligated to pay Lord Abbett a
monthly fee based on average  daily net assets for each month.  In addition,  we
pay all expenses not expressly assumed by Lord Abbett.

     We will not hold annual meetings of shareholders  unless required to by the
Investment  Company Act of 1940, the Board of Trustees or the shareholders  with
one-quarter  of the  outstanding  stock  entitled to vote.  See the Statement of
Additional Information for more details.

         The Fund was organized as a Delaware business trust on August 16, 1993.
Each  outstanding  share  has one  vote  and an equal  right  to  dividends  and
distributions of its series. All shares have noncumulative voting rights for the
election of Trustees. At _________,  1996, Lord Abbett owned 100% of the Series'
shares.

7    DIVIDENDS, CAPITAL GAINS DISTRIBUTIONS AND TAXES

         You begin earning dividends on the business day that payment for shares
purchased is received.  Dividends from net investment  income are declared daily
and paid on the 15th of each month, or if the 15th is not a business day, on the
first business day after the 15th.  Dividends may be taken in cash or reinvested
in additional shares at net asset value without a sales charge.

         Checks   representing   dividends  paid  in  cash  will  be  mailed  to
shareholders as soon as practicable after the payment date.

         A long-term capital gains distribution is made when we have net profits
during the year from sales of securities  which we have held more than one year.
If we realize net short-term  capital gains, they also will be distributed.  Any
capital  gains  distribution  will  be  made  in  January.   You  may  take  the
distribution  in cash or  reinvest  it in  additional  shares at net asset value
without a sales charge.

         Supplemental  dividends and distributions  also may be paid in December
or  January.  Dividends  and  distributions  declared  in  October,  November or
December of any year to shareholders of record as of a date in such a month will
be  treated  for  federal  income  tax  purposes  as  having  been  received  by
shareholders  in that year if they are paid before  February 1 of the  following
year.

         We intend to continue to meet the  requirements  of Subchapter M of the
Internal  Revenue Code. We will try to  distribute to  shareholders  all our net
investment  income and net realized  capital gains, so as to avoid the necessity
of the Series paying  federal  income tax.  Shareholders,  however,  must report
dividends  and capital  gains  distributions  as taxable  income.  Distributions
derived from net  long-term  capital  gains which are  designated by the Fund as
"capital gains  dividends" will be taxable to shareholders as long-term  capital
gains, whether received in cash or shares, regardless of how long a taxpayer has
held the shares. Under current law, net long-term capital gains are taxed at the
rates applicable to ordinary income,  except that the maximum rate for long-term
capital gains for individuals is 28%. See  "Performance" for a discussion of the
purchase  of  high-coupon  securities  at a  premium  and  the  distribution  to
shareholders as ordinary income of all interest income on those securities. This
practice  increases  current  income  of the  Series,  but may  result in higher
taxable income to Series shareholders than other portfolio management practices.

         Shareholders may be subject to a $50 penalty under the Internal Revenue
Code and we may be required to withhold and remit to the U.S. Treasury a portion
(31%) of any redemption  proceeds  (including the value of shares exchanged into
another Lord Abbett-sponsored  fund), and of any dividend or distribution on any
account,  where the payee  (shareholder)  failed to  provide a correct  taxpayer
identification number or to make certain required certifications.

         We will inform  shareholders of the federal tax status of each dividend
and  distribution  after  the end of each  calendar  year.  Shareholders  should
consult their tax advisers  concerning  applicable state and local taxes as well
as the tax  consequences  of gains or losses from the  redemption or exchange of
our shares.

8    REDEMPTIONS

         To obtain the proceeds of an expedited  redemption  of $50,000 or less,
you or your  representative  with proper  identification can telephone the Fund.
The Fund will not be liable for following instructions communicated by telephone
that it reasonably believes to be genuine and will employ reasonable  procedures
to confirm that instructions  received are genuine,  including requesting proper
identification,  recording  all telephone  redemptions  and mailing the proceeds
only  to  the  named  shareholder  at  the  address  appearing  on  the  account
registration.

         If you do not qualify for the expedited  procedures described above, to
redeem shares directly,  send your request to Lord Abbett Investment Trust--U.S.
Government Securities Series (P.O. Box 419100, Kansas City, Missouri 64141) with
signature(s)  and any legal capacity of the signer(s)  guaranteed by an eligible
guarantor,  accompanied by any  certificates for shares to be redeemed and other
required documentation. The Fund will make payment of the net asset value of the
shares on the date the  redemption  order was received in proper  form.  Payment
will be made  within  three  business  days.  The Fund may  suspend the right to
redeem shares for not more than seven days or longer under unusual circumstances
as permitted by Federal law. If you have purchased shares of the Series by check
and subsequently submit a redemption  request,  redemption proceeds will be paid
upon  clearance of your purchase  check,  which may take up to 15 days. To avoid
delays you may arrange for the bank upon which a check was drawn to  communicate
to the Fund that the check has cleared.  Shares also may be redeemed by the Fund
at net asset value  through  your  securities  dealer  who,  as an  unaffiliated
dealer,  may charge you a fee. If your dealer  receives  your order prior to the
close of the NYSE and communicates it to Lord Abbett, as our agent, prior to the
close of Lord Abbett's business day, you will receive the net asset value of the
shares  being  redeemed  as of the close of the NYSE on that day.  If the dealer
does not  communicate  such an order to Lord Abbett until the next business day,
you will  receive  the net asset  value as of the close of the NYSE on that next
business day.

         Shareholders  who have redeemed  their shares have a one-time  right to
reinvest into another account having the identical  registration,  in any of the
Eligible  Funds,  at the then  applicable  net asset  value of the shares  being
purchased without the payment of a sales charge.  Such reinvestment must be made
within 60 days of the  redemption  and is  limited  to no more  than the  dollar
amount of the redemption proceeds.

         Under certain  circumstances  and subject to prior written notice,  our
Board of Trustees may  authorize  redemption of all of the shares in any account
in which there are fewer than 50 shares.

         Tax-qualified  Plans: For redemptions of $50,000 or less, follow normal
redemption  procedures.  Redemptions  over  $50,000  must be in writing from the
employer,  broker or plan  administrator  stating the reason for the redemption.
The  reason  for the  redemption  must be  received  by the Fund  prior  to,  or
concurrent with, the redemption request.

         We will  calculate our average annual total return for the Series for a
given  period by  determining  an annual  compounded  rate that would  cause the
hypothetical initial investment made on the first day of the period to equal the
ending  redeemable  value.  The  calculation  assumes  for the  period  a $1,000
hypothetical  initial  investment in the Series,  the reinvestment of all income
and  capital  gains  distributions  on the  reinvestment  dates  at  the  prices
calculated as stated in the Prospectus,  and a complete redemption at the end of
the period to determine the ending redeemable value.  Further  information about
the Series'  performance will be in its annual report to shareholders  which may
be obtained without charge.

9    PERFORMANCE

         Yield and Total  Return.  Yield and total return data may, from time to
time, be included in advertisements  about the Series.  "Yield" is calculated by
dividing the Series'  annualized net investment income per share during a recent
30-day period by the maximum public  offering price per share on the last day of
that period.  The Series' yield  reflects the  deduction of the maximum  initial
sales  charge  and  reinvestment  of all  income  dividends  and  capital  gains
distributions.   "Total  return"  for  the  one-,  five-  and  ten-year  periods
represents  the average  annual  compounded  rate of return on an  investment of
$1,000 in the Series at the maximum public offering price. Total return also may
be presented  for other  periods or based on  investment at reduced sales charge
levels or net asset value.  Any  quotation of total  return not  reflecting  the
maximum  initial  sales  charge would be reduced if such sales charge were used.
Quotations of yield or total return for any period when an expense limitation is
in effect will be greater than if the limitation had not been in effect.

         The Series'  dividend  distribution  rate may differ from its SEC yield
primarily   because  the  Series  may  purchase  short-  and   intermediate-term
high-coupon  securities  at  a  premium  and,  consistent  with  applicable  tax
regulations,  distribute  to  shareholders  all of the interest  income on these
securities  without  amortizing the premiums.  This practice also is used by the
Series for  financial  statement  purposes and is in accordance  with  generally
accepted  accounting  principles.  In other words,  the Series may pay more than
face value for a security that pays a  greater-than-market  rate of interest and
then  distribute  all such interest as dividends.  The principal  payable on the
security at maturity  will equal the  security's  face value,  and so the market
value of the security will gradually decrease to face value, assuming no changes
in  the  market  rate  of  interest  or in the  credit  quality  of the  issuer.
Shareholders  should  recognize  that  such  dividends  will  therefore  tend to
decrease the net asset value of the Series.  Dividends  paid from this  interest
income are taxable to shareholders at ordinary income tax rates.

         The Series may make  distributions  in excess of net investment  income
from time to time to provide more stable  dividends.  Such  distributions  could
cause slight decreases in net asset values over time, but historically  have not
resulted in a return of capital for tax purposes.

         See "Past Performance" in the Statement of Additional Information for a
more detailed discussion  concerning the computation of the Series' total return
and yield.

         This Prospectus does not constitute an offering in any  jurisdiction in
which such offer is not  authorized  or in which the person making such offer is
not qualified to do so or to anyone to whom it is unlawful to make such offer.

         No  person  is  authorized  to give  any  information  or to  make  any
representations  not  contained in this  Prospectus,  or in  supplemental  sales
material  authorized  by the Fund and no  person  is  entitled  to rely upon any
information or representation not contained herein or therein.


<PAGE>


LORD ABBETT
Statement of Additional Information March 6, 1996


                                  Lord Abbett
                                Investment Trust



This Statement of Additional  Information is not a Prospectus.  A Prospectus may
be  obtained  from  your  securities  dealer or from  Lord,  Abbett & Co. at The
General Motors Building,  767 Fifth Avenue, New York, New York 10153-0203.  This
Statement  relates to, and should be read in  conjunction  with,  the Prospectus
dated March 6, 1996.

Lord Abbett  Investment  Trust  (referred  to as the "Fund") was  organized as a
Delaware  business trust on August 16, 1993. The Fund's  trustees have authority
to create separate classes and series of shares of beneficial interest,  without
further action by shareholders. To date, the Fund has three series consisting of
three  classes  of  shares  -  Lord  Abbett  Limited  Duration  U.S.  Government
Securities Series,  Lord Abbett Balanced Series and Lord Abbett U.S.  Government
Securities  Series (a new  series  effective  immediately).  Further  classes or
series  may be added in the  future.  The  Investment  Company  Act of 1940,  as
amended (the "Act"),  requires that where more than one class or series  exists,
each  class or series  must be  preferred  over all other  classes  or series of
assets  specifically  allocated  to such  class or series.  Only  shares of Lord
Abbett U.S.  Government  Securities Series (sometimes referred to as "we" or the
"Series") are described in this Statement of Additional Information.

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

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


                  TABLE OF CONTENTS                                     Page

1.       Investment Objective and Policies                             3

2.       Trustees and Officers                                         6

3.       Investment Advisory and Other Services                        9

4.       Portfolio Transactions                                        10

5.       Purchases, Redemptions
         and Shareholder Services                                      11

6.       Past Performance                                              16

7.       Taxes                                                         16

8.       Information About The Fund                                    16


<PAGE>





                                       1.
                       Investment Objective and Policies

The Series' investment objective and policies are described in the Prospectus on
the  cover  page and  under  "How We  Invest".  In  addition  to those  policies
described in the Prospectus,  the Series is subject to the following fundamental
investment restrictions which cannot be changed without shareholder approval. We
may not:  (1) sell short or buy on margin;  (2)  borrow  securities;  (3) borrow
money except as a temporary measure for extraordinary or emergency  purposes and
then not in excess of 5% of our gross assets (at cost or market value, whichever
is  lower)  at  the  time  of  borrowing;  (4)  engage  in the  underwriting  of
securities;  (5) lend money or securities to any person, except through entering
into  short-term  repurchase  agreements  with  sellers  of  securities  we have
purchased and by lending our portfolio  securities to registered  broker-dealers
where the loan is 100%  secured by cash or its  equivalent  as long as we comply
with regulatory requirements and management deems such loans not to expose us to
significant  risk or adversely  affect our  qualification  for  pass-through tax
treatment under the Internal Revenue Code; (6) pledge,  mortgage, or hypothecate
our assets; (7) deal in real estate,  commodities,  or commodity contracts;  (8)
invest in  securities  issued by other  investment  companies  as defined in the
Investment  Company Act of 1940;  (9) buy  securities of any issuer unless it or
its predecessor has a record of three years' continuous  operation,  except that
we may buy  securities  of such  issuers  through  subscription  offers or other
rights we receive as a security holder of companies  offering such subscriptions
or rights, and such purchases will then be limited in the aggregate to 5% of our
net assets at the time of investment;  (10) buy securities if the purchase would
then cause us to have more than 5% of our gross  assets,  at market value at the
time  of  investment,  invested  in the  securities  of any one  issuer,  except
securities  issued  or  guaranteed  by the  U.S.  Government,  its  agencies  or
instrumentalities,  or to own more  than  10% of the  voting  securities  of any
issuer;  (11)  hold  securities  of any  issuer  when more than 1/2 of 1% of its
securities are owned beneficially by one or more of our officers or Trustees or
by one or more partners of our underwriter or investment manager if these owners
in the aggregate own beneficially  more than 5% of such securities;  (12) engage
in  security  transactions  with our  underwriter  or  investment  manager,  our
officers or  Trustees,  or firms (acting as  principals)  with which any of the
foregoing are associated;  however, this provision does not apply to our shares,
or to  securities  we may  become  entitled  to by  reason of our  ownership  of
securities  already held, or to transactions on a securities  exchange when only
the regular  exchange  commissions and charges are imposed (we have not had, nor
do we intend to have, any such  transactions  on an exchange) or to transactions
in accordance with Investment Company Act of 1940 Rule 17a-7 or (13) concentrate
our investments in any one industry.

Of course,  as a matter of fundamental  policy,  we may not invest in securities
other  than  U.S.  Government  securities,  even  though  several  of the  above
restrictions may imply otherwise.

If we enter into repurchase  agreements as provided in clause (5) above, we will
do so only with those  primary  reporting  dealers  that  report to the  Federal
Reserve Bank of New York and with the 100 largest United States commercial banks
and the underlying  securities  purchased  under the repurchase  agreements will
consist only of U.S. Government securities in which we may otherwise invest.

As  stated  in  the  Prospectus,  we may  purchase  Government  securities  on a
when-issued   basis.   Under  no   circumstance   will   delivery   and  payment
("settlement")  for such  securities  take  place  more than 120 days  after the
purchase date.

Lending Portfolio Securities

The Series may lend its portfolio securities to registered broker-dealers. These
loans,  if and when made,  may not exceed 30% of the Series' total  assets.  The
Series'  loans  of  securities  will be  collateralized  by  cash or  marketable
securities  issued or guaranteed by the U.S.  Government or its agencies  ("U.S.
Government  Securities")  or other  permissible  means.  The cash or instruments
collateralizing the Fund's lending of securities will be maintained at all times
in an  amount  at  least  equal  to the  current  market  value  of  the  loaned
securities.  From time to time,  the  Series  may  allow a part of the  interest
received with respect to the investment of collateral to be paid to the borrower
and/or a third  party  that is not  affiliated  with the Fund and is acting as a
"placing broker". No fee will be paid to affiliated persons of the Fund.

By  lending  portfolio  securities,  the  Series  can  increase  its  income  by
continuing  to receive  interest on the loaned  securities  as well as by either
investing  the  cash  collateral  in  permissible  investments,   such  as  U.S.
Government  Securities,  or  obtaining  yield in the form of interest  paid by a
borrower when such U.S. Government Securities are used as collateral. The Series
will comply with the following conditions whenever it loans securities:  (i) the
Series  must  receive  at least  100%  collateral  from the  borrower;  (ii) the
borrower  must  increase  the  collateral  whenever  the  market  value  of  the
securities loaned rises above the level of the collateral; (iii) the Series must
be able to  terminate  the  loan at any  time;  (iv)  the  Series  must  receive
reasonable  compensation  with  respect to the loan,  as well as any  dividends,
interest or other distributions on the loaned securities; (v) the Series may pay
only  reasonable  fees in connection with the loan and (vi) voting rights on the
loaned  securities  may pass to the  borrower,  except that if a material  event
adversely  affecting the investment in the loaned securities  occurs, the Fund's
Board of  Trustees  must  terminate  the loan and  regain  the right to vote the
securities.

When-Issued Transactions

As stated in the Prospectus,  the Series may purchase portfolio  securities on a
when-issued basis.  When-issued  transactions involve a commitment by the Series
to purchase securities,  with payment and delivery  ("settlement") to take place
in the future, in order to secure what is considered to be an advantageous price
or yield at the time of entering  into the  transaction.  When the Series enters
into a when-issued  purchase, it becomes obligated to purchase securities and it
assumes all the rights and risks attendant to ownership of a security,  although
settlement  occurs at a later date.  The value of  securities to be delivered in
the future will  fluctuate as interest  rates vary. At the time the Series makes
the commitment to purchase a security on a when-issued basis, it will record the
transaction  and reflect the  liability  for the  purchase  and the value of the
security in  determining  its net asset value.  The Series,  generally,  has the
ability to close out a purchase  obligation  on or before the  settlement  date,
rather than take delivery of the security. Under no circumstance will settlement
for such securities take place more than 120 days after the purchase date.


                                       2.
                             Trustees and Officers

The  following  trustees  of the Fund are  partners of Lord,  Abbett & Co.,  The
General Motors Building,  767 Fifth Avenue, New York, New York 10153-0203.  They
have been  associated with Lord Abbett for over five years and are also officers
and/or Trustees or trustees of the fifteen other Lord  Abbett-sponsored  funds.
They are "interested  persons" as defined in the Investment Company Act of 1940,
as  amended,  and as  such,  may be  considered  to have an  indirect  financial
interest in the Rule 12b-1 Plan described in the Prospectus.

Ronald P. Lynch, age 59, Chairman
Robert S. Dow, age 50, President

The  following  outside  trustees are also  Trustees or trustees of the fifteen
other Lord  Abbett-sponsored  funds  referred  to above  except for Lord  Abbett
Research Fund, Inc., of which only Messrs. Millican and Neff are Trustees.

E. Thayer Bigelow
Time Warner Cable
300 First Stamford Place
Stamford, Connecticut

President and Chief  Executive  Officer of Time Warner Cable  Programming,  Inc.
Formerly President and Chief Operating Officer of Home Box Office, Inc. Age 53.

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

Partner in the law firm of Wildman, Harrold, Allen & Dixon. Age 64.

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

Retired. Former Chairman of Independent Election Corporation of America, a proxy
tabulating firm. Age 69.

C. Alan MacDonald
The Marketing Partnership, Inc.
27 Signal Road
Stamford, Connecticut

General  Partner,  The  Marketing  Partnership,  Inc., a full service  marketing
consulting  firm that  specializes in strategic  planning and customer  specific
marketing. Formerly Acquisition Consultant, The Noel Group, a private consulting
firm (1994).  Formerly  Chairman and Chief Executive  Officer of Lincoln Snacks,
Inc.,  manufacturer of branded snack foods  (1992-1994).  Formerly President and
Chief Executive Officer of Nestle Foods Corporation, a subsidiary of Nestle S.A.
(Switzerland). Age 61.

Hansel B. Millican, Jr.
Rochester Button Company
1100 Noblin Avenue
South Boston, Virginia

President and Chief Executive Officer of Rochester Button Company.  Age 65.

Thomas J. Neff
277 Park Avenue
New York, New York

President of Spencer Stuart & Associates,  an executive search  consulting firm.
Age 57.

The second column of the following table sets forth the compensation accrued for
the Fund's outside trustees.  The third and fourth columns set forth information
with respect to the retirement plan for outside trustees  maintained by the Lord
Abbett-sponsored  funds.  The fifth  column  sets  forth the total  compensation
payable by such funds to the  outside  trustees.  The first  four  columns  give
information  for the Fund's fiscal year ended October 31, 1995; the fifth column
gives  information  for the year ended December 31, 1995. No trustee of the Fund
associated with Lord Abbett and no officer of the Fund received any compensation
from the Fund for acting as a trustee or officer.





<PAGE>


<TABLE>
<CAPTION>

                  For the Fiscal Year Ended October 31, 1995
(1)                             (2)               (3)                     (4)                      (5)
                                               Pension or             Estimated Annual       For Year Ended
                                               Retirement Benefits    Benefits Upon          December 31, 1995
                                               Accrued as Expenses    Retirement Proposed    Total Compensation
                                               by the Fund and         to be Paid by the     Accrued by the Fund
                          Aggregate            Fifteen Other Lord     Fund and Fifteen       and Fifteen Other Lord
                          Compensation         Abbett-sponsored       Other Lord Abbett-     Abbett-sponsored
Name of Trustee           from the Fund1       Funds2                 sponsored Funds2       Funds3
- ---------------           --------------       ------                 ----------------       ------
<S>                      <C>                  <C>                   <C>                     <C>    <C>
E. Thayer Bigelow          $                   $                      $33,600                $______

Stewart S. Dixon           $                   $                      $33,600                $______

John C. Jansing            $                   $                      $33,600                $______

C. Alan MacDonald          $                   $                      $33,600                $______

Hansel B. Millican, Jr.    $                   $                      $33,600                $______

Thomas J. Neff             $                   $                      $33,600                $______

<FN>

1.   Outside trustees' fees,  including  attendance fees for board and committee
     meetings,  are allocated among all Lord Abbett-sponsored funds based on net
     assets of each fund.  Fees payable by the Fund to its outside  trustees are
     being deferred under a plan that deems the deferred  amounts to be invested
     in shares of the Fund for later  distribution to the trustees.  The amounts
     accrued by the Fund for the year ended  October 31, 1995,  are as set forth
     after each outside  trustee's name above. The total amount accrued for each
     outside  trustee since the beginning of his tenure with the Fund,  together
     with dividends reinvested and changes in net asset value applicable to such
     deemed  investments,  were as follows as of October 31, 1995: Mr.  Bigelow;
     $_____; Mr. Dixon, $_____; Mr. Jansing, $_____; Mr. MacDonald,  $_____; Mr.
     Millican, $_____; and Mr. Neff, $_____.

2.   Each  Lord  Abbett-sponsored  fund has a  retirement  plan  providing  that
     outside Trustees and trustees will receive annual retirement  benefits for
     life equal to 80% of their final annual retainers  following  retirement at
     or after age 72 with at least 10 years of service.  Each plan also provides
     for a reduced benefit upon early retirement under certain circumstances,  a
     pre-retirement  death benefit and  actuarially  reduced  joint-and-survivor
     spousal  benefits.  The amounts stated would be payable annually under such
     retirement  plans if the  trustee  were to retire at age 72 and the  annual
     retainers  payable  by such  funds  were the same as they  are  today.  The
     amounts accrued in column 3 were accrued by the Lord Abbett-sponsored funds
     during  the  fiscal  year  ended  October  31,  1995  with  respect  to the
     retirement benefits in column 4.

3.   This column shows  aggregate  compensation,  including  trustees'  fees and
     attendance fees for board and committee  meetings,  of a nature referred to
     in footnote one, accrued by the Lord Abbett-sponsored funds during the year
     ended December 31, 1995.
</FN>
</TABLE>

Except where indicated,  the following  executive officers of the Fund have been
associated  with Lord  Abbett for over five  years.  Of the  following,  Messrs.
Allen,  Carper,  Cutler,  Nordberg and Walsh are  partners of Lord  Abbett;  the
others are employees:  Kenneth B. Cutler,  age 63, Vice President and Secretary;
Stephen I. Allen, age 41, Daniel E. Carper,  age 43, E. Wayne Nordberg,  age 59,
John J. Walsh,  age 58, Paul A.  Hilstad,  age 53 (with Lord Abbett since 1995 -
formerly  Senior  Vice  President  and  General  Counsel  of  American   Capital
Management & Research, Inc.), John J. Gargana, Jr., age 64, Thomas F. Konop, age
53, Victor W. Pizzolato, age 63, Vice Presidents; and Keith F. O'Connor, age 40,
Treasurer.

The Fund  does not hold  annual  meetings  of  shareholders  unless  one or more
matters are  required to be acted on by  shareholders  under the Act.  Under the
Fund's Declaration of Trust,  shareholder  meetings may be called at any time by
certain  officers  of the  Fund or by a  majority  of the  Trustees  (i) for the
purpose of taking action upon any matter  requiring the vote or authority of the
Fund's  shareholders or upon 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 Series outstanding and entitled to vote at the meeting.

As of March 6, 1996, our officers and trustees,  as a group,  owned less than 1%
of our outstanding shares.


                                       3.
                     Investment Advisory and Other Services

As  described  under "Our  Management"  in the  Prospectus,  Lord  Abbett is the
investment manager for the Series. The nine general partners of Lord Abbett, all
of whom are officers and/or trustees of the Fund, are: Stephen I. Allen,  Daniel
E. Carper,  Kenneth B. Cutler,  Robert S. Dow,  Thomas S.  Henderson,  Ronald P.
Lynch,  Robert G. Morris,  E. Wayne  Nordberg and John J. Walsh.  The address of
each partner is The General  Motors  Building,  767 Fifth Avenue,  New York, New
York 10153-0203.

The services performed by Lord Abbett are described in the Prospectus under "Our
Management".  Under the Management Agreement,  we pay Lord Abbett a monthly fee,
based on average  daily net assets for each month,  at the annual rate of .50 of
1% of the portion of our net assets not in excess of $3,000,000,000 plus .45% of
1% of such assets over $3,000,000,000.

We pay 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  share
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 and  brokerage and
other expenses connected with executing portfolio transactions.

The Series has agreed with the State of California to limit  operating  expenses
(including  management fees but excluding  taxes,  interest,  extraordinary  and
brokerage  commissions) to 2 1/2% of the Series' average annual net assets up to
$30,000,000, 2% of the next $70,000,000 of such assets and 1 1/2% of such assets
in excess of $100,000,000.  However, as described in the Prospectus,  the Series
has adopted a Plan pursuant to Rule 12b-1 of the Act.  Annual Plan  distribution
expenses up to one percent of the Series'  average net assets  during its fiscal
year may be excluded from this expense  limitation.  The expense limitation is a
condition on the registration of investment company shares for sale in the State
and applies so long as our shares are registered for sale in the State.

Deloitte & Touche LLP, Two World Financial Center,  New York, New York 10281 are
the  independent  auditors of the Fund and must be approved at least annually by
our trustees to continue in such  capacity.  They perform audit services for the
Fund including the  examination of financial  statements  included in our annual
report to shareholders.

The Bank of New York ("BNY"),  48 Wall Street, New York, New York, is the Fund's
custodian.

                                       4.
                             Portfolio Transactions

Purchases  and  sales  of  portfolio   securities   usually  will  be  principal
transactions  and normally such securities  will be purchased  directly from the
issuer or from an  underwriter  or purchased  from or sold to a market maker for
the securities.  Therefore, the Series usually will pay no brokerage commissions
on such transactions.  Purchases from underwriters of portfolio  securities will
include a commission or  concession  paid by the issuer to the  underwriter  and
purchases  from or sales to dealers  serving  as market  makers  will  include a
dealer's  markup  or  markdown.   Principal  transactions,   including  riskless
principal  transactions,  are not afforded the  protection of the safe harbor in
Section 28(e) of the Securities Exchange Act of 1934.

Our policy is to obtain best execution on all our portfolio transactions,  which
means that we seek to have purchases and sales of portfolio  securities executed
at the most favorable prices, considering all costs of the transaction including
dealer markups and markdowns and any brokerage commissions.  This policy governs
the selection of dealers and brokers 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.

We select  broker-dealers on the basis of their professional  capability and the
value and  quality of their  brokerage  and  research  services.  Normally,  the
selection  is made by our  traders  who are  officers  of the  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 the
negotiation of prices and commissions.

We may pay a brokerage  commission  on the  purchase or sale of a security  that
could  be  purchased  from or  sold to a  market  maker  if our net  cost of the
purchase or the net  proceeds to us of the sale are at least as  favorable as we
could obtain on a direct purchase or sale.  Brokers who receive such commissions
may 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 trading equipment and computer software
packages, acquired from third-party suppliers, that enable Lord Abbett to access
various information bases and may include the furnishing of analyses and reports
concerning  issuers,  industries,   securities,  economic  factors  and  trends,
portfolio strategy and the performance of accounts. 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
Series;  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 Series,  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 purchased such equipment and software
packages  directly from the suppliers and attempted to generate such  additional
information  through  its own  staff.  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 Fund 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 our 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 we do, 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.

We will not seek  "reciprocal"  dealer  business  (for the  purpose of  applying
commissions   in  whole  or  in  part  for  our  benefit  or   otherwise)   from
broker-dealers as consideration for the direction to them of portfolio business.


                                       5.
                             Purchases, Redemptions
                            and Shareholder Services


The Series  values its  portfolio  securities at market value as of the close of
the New York  Stock  Exchange.  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 Fund's officers, that market more accurately reflects
the market  value of the bonds.  Over-the-counter  securities  not traded on the
NASDAQ  National  Market  System are valued at the mean between the last bid and
asked  prices.  Securities  for which market  quotations  are not  available are
valued at fair market value under procedures approved by the Board of Trustees.

The Series is expected to commence  operations on , 1996. Based on estimated net
asset value and maximum  offering  price per share as of such date,  the maximum
offering price of our shares on , 1996 will be computed as follows:

Net asset value per share (net assets divided by
shares outstanding)..........................................$

Maximum offering price per share (net asset value
divided by .9525)................................................$

The Fund has entered into a distribution  agreement with Lord Abbett under which
Lord Abbett is  obligated  to use its best  efforts to find  purchasers  for the
shares of the Series and to make  reasonable  efforts to sell Series shares,  so
long as, in Lord Abbett's judgment,  a substantial  distribution can be obtained
by reasonable efforts.

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

The Plan requires the Board of Trustees to review, on a quarterly basis, written
reports of all amounts  expended  pursuant to the Plan and the purpose for which
such  expenditures  were made.  The Plan shall  continue  in effect  only if its
continuance  is  specifically  approved at least  annually by vote of the Fund's
Board of Trustees and of the Fund's  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 such Plan and
agreements.  The Plan may not be amended to increase materially the amount spent
for  distribution  expenses  without  approval  by a  majority  of  the  Series'
outstanding  voting  securities  and the approval of a majority of the trustees,
including a majority of the Series' outside trustees. The Plan may be terminated
at any time by vote of a majority of the Fund's outside trustees or by vote of a
majority of the Series' outstanding voting securities.

As stated in the  Prospectus,  a 1%  contingent  deferred  reimbursement  charge
("CDRC")  is imposed  with  respect to those  shares (or shares of another  Lord
Abbett-sponsored  fund or series  acquired  through  exchange of such shares) on
which the Series has paid the one-time 1% 12b-1 sales  distribution  fee 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.

No CDRC is payable on  redemptions  by tax qualified  plans under section 401 of
the  Internal  Revenue  Code for benefit  payments  due to plan loans,  hardship
withdrawals,  death,  retirement or separation from service with respect to plan
participants.  The CDRC is received  by the Series and is intended to  reimburse
all or a portion  of the amount  paid by the  Series if the shares are  redeemed
before the Series has had an opportunity to realize the anticipated  benefits of
having a large, long-term shareholder account in the Series. Shares of a fund or
series  on  which  such 1%  sales  distribution  fee has  been  paid  may not be
exchanged  into a fund or series  with a Rule 12b-1  plan for which the  payment
provisions have not been in effect for at least one year.

The other  Lord  Abbett-sponsored  funds and  series  which  participate  in the
Telephone  Exchange  Privilege  (except Lord Abbett U.S.  Government  Securities
Money Market Fund,  Inc.  ("GSMMF") and certain  series of Lord Abbett  Tax-Free
Income Fund,  Inc. and Lord Abbett  Tax-Free Income Trust for which a Rule 12b-1
Plan is not yet in effect (collectively, the "Non-Plan Series")) have instituted
a CDRC on the same terms and conditions.  No CDRC will be charged on an exchange
of shares between Lord Abbett funds.  Upon  redemption of shares out of the Lord
Abbett  family of funds,  the CDRC will be  charged on behalf of and paid to the
fund in which the  original  purchase  (subject to a CDRC)  occurred.  Thus,  if
shares of a Lord Abbett fund are  exchanged  for shares of another such fund and
the shares  tendered  ("Exchanged  Shares") are subject to a CDRC, the CDRC will
carry over to the shares being acquired,  including GSMMF  ("Acquired  Shares").
Any CDRC 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  GSMMF and the  Non-Plan
Series will not pay a 1% sales distribution fee on $1 million purchases of their
own shares, and will therefore not impose their own CDRC, GSMMF will collect the
CDRC on behalf of other Lord Abbett funds.  Acquired  shares held in GSMMF which
are  subject to a CDRC will be  credited  with the time such  shares are held in
that fund.

In no event will the  amount of the CDRC  exceed 1% 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 CDRC will be
imposed when the  investor  redeems (i) amounts  derived  from  increases in the
value of the  account  above the  total  cost of shares  being  redeemed  due to
increases in net asset  value,  (ii) shares with respect to which no Lord Abbett
fund paid a 1% sales  distribution  fee on issuance  (including  shares acquired
through  reinvestment  of dividend  income and capital gains  distributions)  or
(iii) 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
determining  whether a CDRC is payable,  (a) shares not subject to the CDRC will
be redeemed  before  shares  subject to the CDRC and (b) of shares  subject to a
CDRC, those held the longest will be the first to be redeemed.

Under the terms of the Statement of Intention to invest  $100,000 or more over a
13-month period as described in the Prospectus,  shares of Lord Abbett-sponsored
funds (other than shares of Lord Abbett Equity Fund ("LAEF"), Lord Abbett Series
Fund  ("LASF"),  Lord Abbett  Research Fund if not offered to the general public
("LARF"),  and  GSMMF,  unless  holdings  in GSMMF  are  attributable  to shares
exchanged  from a Lord  Abbett-sponsored  fund  offered  with  a  sales  charge)
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. 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  is not  completed.  The  Statement  of Intention is neither a binding
obligation on you to buy, nor on the Series to sell, the full amount indicated.

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,  and GSMMF,  unless  holdings in GSMMF are  attributable  to shares
exchanged  from a Lord  Abbett-sponsored  fund  offered  with a front-end  sales
charge or from Lord Abbett Counsel Group) 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.

As stated in the  Prospectus,  our 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 trustee or custodian  under any
pension or  profit-sharing  plan or Payroll  Deduction IRA  established  for the
benefit  of such  persons  or for  the  benefit  of  employees  of any  national
securities  trade  organization to which Lord Abbett belongs or any company with
an  account(s)   in  excess  of  $10  million   managed  by  Lord  Abbett  on  a
private-advisory-account  basis.  For  purposes  of this  paragraph,  the  terms
"trustees" and "employees"  include a trustee's or employee's  spouse (including
the  surviving  spouse of a  deceased  trustee  or  employee).  The  terms  "our
trustees" and  "employees of Lord Abbett" also include other family  members and
retired trustees and employees.

Our shares also may be  purchased  at net asset value (a) at $1 million or more,
(b) with dividends and  distributions  from other Lord  Abbett-sponsored  funds,
except for LARF,  LAEF,  LASF and Lord Abbett Counsel Group,  (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 in accordance  with certain
standards  approved by Lord Abbett,  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,  and  (e)  by  employees,  partners  and  owners  of  unaffiliated
consultants  and  advisors  to Lord  Abbett or Lord  Abbett-sponsored  funds who
consent to such purchase if such persons  provide service to Lord Abbett or such
funds on a continuing basis and are familiar with such funds. Shares are offered
at net asset value to these investors for the purpose of promoting goodwill with
employees  and  others  with  whom Lord  Abbett  and/or  the Fund have  business
relationships.

Our shares also may be  purchased  at net asset  value,  subject to  appropriate
documentation,  through a securities dealer where the amount invested represents
redemption  proceeds from shares  ("Redeemed  Shares") of a registered  open-end
management  investment  company not distributed or managed by Lord Abbett (other
than a money market fund),  if such redemption has occurred no more than 60 days
prior to the purchase of our shares,  the Redeemed Shares were held for at least
six months prior to redemption and the proceeds of redemption were maintained in
cash or a money market fund prior to purchase.  Purchasers  should  consider the
impact, if any, of contingent  deferred sales charges in determining  whether to
redeem shares for subsequent  investment in our shares. Lord Abbett may suspend,
change or terminate this purchase option at any time.

Our shares may be issued at net asset value in exchange for the assets,  subject
to possible  tax  adjustment,  of a personal  holding  company or an  investment
company.  There are economies of selling efforts and sales-related expenses with
respect to offers to these investors and those referred to above.

The  Prospectus  briefly  describes the Telephone  Exchange  Privilege.  You may
exchange  some or all of your  shares for those of Lord  Abbett-sponsored  funds
currently  offered to the public  with a sales  charge and GSMMF,  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 Series  being  exchanged  must have a value  equal to at least the
minimum  initial  investment  required  for the fund into which the  exchange is
made.

Shareholders  in such other funds have the same right to exchange  their  shares
for the Series' 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 (unless a sales charge was
paid on the initial  investment).  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 other Lord Abbett-sponsored funds which are eligible for the exchange
privilege,  except LASF which offers its shares only in connection  with certain
variable  annuity  contracts,  LAEF which is not issuing  shares,  LARF and Lord
Abbett Counsel Group.

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 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 50  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 60 days'  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.

Under the  Div-Move  service  described  in the  Prospectus,  you can invest the
dividends  paid on your account into an existing  account 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.

The  Invest-A-Matic  method of investing in the Series and/or any other Eligible
Fund is  described  in the  Prospectus.  To avail  yourself  of this  method you
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.

The Systematic  Withdrawal Plan (the "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.  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.

The  Prospectus  indicates the types of  retirement  plans for which Lord Abbett
provides forms and explanations. Lord Abbett makes available the retirement plan
forms  and  custodial  agreements  for  IRAs  (Individual   Retirement  Accounts
including Simplified Employee Pensions),  403(b) plans and qualified pension and
profit-sharing plans, including 401(k) plans. The forms name Investors Fiduciary
Trust Company as custodian  and contain  specific  information  about the 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.
                                Past Performance

The Series will  compute  its average  annual  compounded  rate of total  return
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 from the initial  amount  invested  and
reinvestment  of all income  dividends  and capital gains  distributions  on the
reinvestment dates at prices calculated as stated in the Prospectus.  The ending
redeemable  value is determined by assuming a complete  redemption at the end of
the period(s) covered by the average annual total return computation.

Our yield  quotation will be 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 our  maximum  offering  price per share on the last day of the period.
This is determined by finding the following quotient: take the Series' 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 Series  shares
outstanding  during the period that were entitled to receive  dividends and (ii)
the Series' maximum  offering price per share 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.

These figures represent past  performance,  and an investor should be aware that
the investment  return and principal value of a Series 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 such performance will
be repeated in the future.


                                       7.
                                     Taxes

The value of any shares  redeemed,  repurchased or otherwise sold may be more or
less than your tax basis in the shares at the time the redemption, repurchase or
sale is made.  Any gain or loss will generally be taxable for federal income tax
purposes.  Any loss  realized on the sale,  redemption  or  repurchase of Series
shares  which you have  held for six  months  or less  will be  treated  for tax
purposes  as a  long-term  capital  loss  to the  extent  of any  capital  gains
distributions which you received with respect to such shares. Losses on the sale
of stock or securities 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 stock or securities that are substantially identical.

The Series will be subject to a 4% non-deductible  excise tax on certain amounts
not distributed  (and not treated as having been  distributed) on a timely basis
in accordance with a calendar-year distribution requirement.  The Series intends
to  distribute  to  shareholders  each  year an  amount  adequate  to avoid  the
imposition of such excise tax. Dividends paid by the Series will qualify for the
dividends-received  deduction  for  corporations  to the extent they are derived
from dividends paid by domestic corporations.

                                       8.
                           Information About the Fund

The  Trustees,  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 Trustee  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,  from  profiting on trades of the
same  security  within  60 days and from  trading  on  material  and  non-public
information.  The Code imposes certain similar  requirements and restrictions on
the independent Trustees and trustees of each Lord Abbett-sponsored mutual fund
to the extent contemplated by the recommendations of the Advisory Group.



<PAGE>


PART C              OTHER INFORMATION

Item 24.            Financial Statements and Exhibits

                    (a)     Financial Statements
                            None.

                    (b)     Exhibits -
                    99.B4  Form of Specimen Certificate*

                    99.B5  Form of Addendum to Management Agreement*

                    99.B6  Distribution agreement between  Registrant  and  Lord
                           Abbett & Co.****

                    99.B7  Retirement Plan for Non-interested  Person  Trustees
                           and Trustees of Lord Abbett Funds.**
                           Lord Abbett Prototype  Retirements  Plans***
                              (1) 401(k)
                              (2) IRA
                              (3) 403(b)
                              (4)  Profit-Sharing,  and
                              (5) Money Purchases 

                    99.B15 Form of Rule 12b-1 Distribution Plan and Agreement.*

*    Filed herewith.
**   Incorporated  by  reference  to  Post-Effective  Amendment  No.  7 to the
     Registration  Statement  (on Form N1-A) of Lord Abbett  Equity Fund (File
     No. 811-6033).
***  Incorporated  by reference to  Post-Effective  Amendment  No. 6 to
     the Registration  Statement  (on  Form  N1-A) of Lord  Abbett  Securities
     Trust (File No. 811-7538).
**** Previously filed.

Item 25. Persons Controlled by or Under Common Control with Registrant

                  None.

Item 26. Number of Record Holders of Securities

                  At __________, 1996 - _______

Item 27. Indemnification

     Registrant is  incorporated  under the laws of the State of Maryland and is
     subject to Section 2-418 of the Corporations  and  Associations  Article of
     the Annotated Code of the State of Maryland controlling the indemnification
     of Trustees and officers.  Since  Registrant has its executive  offices in
     the State of New York,  and is  qualified  as a foreign  corporation  doing
     business in such State,  the persons  covered by the foregoing  statute may
     also be entitled to and subject to the  limitations of the  indemnification
     provisions of Section 721-726 of the New York Business Corporation Law.

     The general effect of these statutes is to protect officers,  Trustees and
     employees of Registrant  against legal  liability and expenses  incurred by
     reason of their  positions with the  Registrant.  The statutes  provide for
     indemnification  for liability for proceedings not brought on behalf of the
     corporation and for those brought on behalf of the corporation, and in each
     case  place  conditions  under  which  indemnification  will be  permitted,
     including requirements that the officer, Trustee or employee acted in good
     faith.  Under certain  conditions,  payment of expenses in advance of final
     disposition may be permitted.  The By-Laws of Registrant,  without limiting
     the authority of Registrant to indemnify any of its officers,  employees or
     agents  to  the  extent   consistent   with   applicable   law,  makes  the
     indemnification  of its Trustees  mandatory subject only to the conditions
     and limitations  imposed by the  above-mentioned  Section 2-418 of Maryland
     Law and by the provisions of Section 17(h) of the Investment Company Act of
     1940 as  interpreted  and  required  to be  implemented  by SEC Release No.
     IC-11330 of September 4, 1980.

     In  referring  in its By-Laws to, and making  indemnification  of Trustees
     subject to the  conditions  and  limitations  of, both Section 2-418 of the
     Maryland  Law and  Section  17(h) of the  Investment  Company  Act of 1940,
     Registrant  intends that  conditions  and  limitations on the extent of the
     indemnification  of Trustees  imposed by the  provisions of either Section
     2-418 or Section 17(h) shall apply and that any  inconsistency  between the
     two will be resolved by applying the  provisions  of said Section  17(h) if
     the condition or limitation imposed by Section 17(h) is the more stringent.
     In referring  in its By-Laws to SEC Release No.  IC-11330 as the source for
     interpretation  and  implementation  of  said  Section  17(h),   Registrant
     understands  that it would be required  under its By-Laws to use reasonable
     and fair means in determining whether  indemnification of a Trustee should
     be made and  undertakes to use either (1) a final decision on the merits by
     a court or other body  before  whom the  proceeding  was  brought  that the
     person to be indemnified  ("indemnitee") was not liable to Registrant or to
     its security  holders by reason of willful  malfeasance,  bad faith,  gross
     negligence,  or reckless disregard of the duties involved in the conduct of
     his office ("disabling  conduct") or (2) in the absence of such a decision,
     a  reasonable  determination,  based upon a review of the  facts,  that the
     indemnitee was not liable by reason of such disabling  conduct,  by (a) the
     vote of a majority of a quorum of  Trustees  who are  neither  "interested
     persons"  (as  defined in the 1940 Act) of  Registrant  nor  parties to the
     proceeding, or (b) an independent legal counsel in a written opinion. Also,
     Registrant will make advances of attorneys' fees or other expenses incurred
     by a Trustee in his defense  only if (in  addition to his  undertaking  to
     repay the advance if he is not ultimately entitled to indemnification)  (1)
     the indemnitee provides a security for his undertaking,

<PAGE>


     (2)  Registrant  shall be insured  against  losses arising by reason of any
     lawful  advances,  or (3) a  majority  of a quorum  of the  non-interested,
     non-party  Trustees of Registrant,  or an  independent  legal counsel in a
     written opinion,  shall determine,  based on a review of readily  available
     facts, that there is reason to believe that the indemnitee  ultimately will
     be found entitled to indemnification.

     Insofar as  indemnification  for liability arising under the Securities Act
     of 1933 may be permitted to Trustees,  officers and controlling persons of
     the  registrant  pursuant to the foregoing  provisions,  or otherwise,  the
     registrant  has been  advised  that in the  opinion of the  Securities  and
     Exchange  Commission  such  indemnification  is  against  public  policy as
     expressed in the Act and is, therefore,  unenforceable. In the event that a
     claim for indemnification  against such liabilities (other than the payment
     by the  registrant  of expense  incurred or paid by a Trustee,  officer or
     controlling  person of the  registrant  in the  successful  defense  of any
     action,  suit or  proceeding)  is  asserted  by such  Trustee,  officer or
     controlling person in connection with the securities being registered,  the
     registrant  will,  unless in the opinion of its counsel the matter has been
     settled  by  controlling  precedent,  submit  to  a  court  of  appropriate
     jurisdiction  the question  whether such  indemnification  by it is against
     public  policy as  expressed  in the Act and will be  governed by the final
     adjudication of such issue. In addition,  Registrant maintains a Trustees'
     and officers' errors and omissions  liability  insurance policy  protecting
     Trustees and officers against liability for breach of duty, negligent act,
     error or omission committed in their capacity as Trustees or officers. The
     policy contains certain exclusions,  among which is exclusion from coverage
     for active or  deliberate  dishonest or  fraudulent  acts and exclusion for
     fines or penalties imposed by law or other matters deemed uninsurable.


 Item 28.         Business and Other Connections of Investment Adviser

     Lord, Abbett & Co. acts as investment  advisor for seventeen other open-end
     investment  companies (of which it is principal  underwriter  for fifteen),
     and as investment  adviser to approximately  5,100 private accounts.  Other
     than acting as Trustees and/or officers of open-end  investment  companies
     managed by Lord,  Abbett & Co., none of Lord,  Abbett & Co.'s partners has,
     in the past two fiscal years,  engaged in any other  business,  profession,
     vocation or employment  of a  substantial  nature for his own account or in
     the  capacity of  Trustee,  officer,  employee,  partner or trustee of any
     entity except as follows:

         John J. Walsh
         Trustee
         The Brooklyn Hospital Center
         100 Parkside Avenue
         Brooklyn, N.Y.

Item 29. Principal Underwriter

         (a)     Affiliated Fund, Inc.
                 Lord Abbett U. S. Government Securities Fund, Inc.
                 Lord Abbett Bond-Debenture Fund, Inc.
                 Lord Abbett Value Appreciation Fund, Inc.
                 Lord Abbett Developing Growth Fund, Inc.
                 Lord Abbett Tax-Free Income Fund, Inc.
                 Lord Abbett California Tax-Free Income Fund, Inc.
                 Lord Abbett Fundamental Value Fund, Inc.
                 Lord Abbett Global Fund, Inc.
                 Lord Abbett U. S. Government Securities Money Market Fund, Inc.
                 Lord Abbett Series Fund, Inc.
                 Lord Abbett Equity Fund
                 Lord Abbett Tax-Free Income Trust
                 Lord Abbett Securities Trust
                 Lord Abbett Investment Trust
                 Lord Abbett Research Fund, Inc.

                Investment Adviser
                American Skandia Trust (Lord Abbett Growth and Income Portfolio)
                
         (b)      The partners of Lord, Abbett & Co. are:

              Name and Principal                   Positions and Offices
              Business Address (1)                 with Registrant
              --------------------                 ---------------
              Ronald P. Lynch                      Chairman
              Robert S. Dow                        President
              Kenneth B. Cutler                    Vice President & Secretary
              Stephen I. Allen                     Vice President
              Daniel E. Carper                     Vice President
              Thomas S. Henderson                  Vice President
              Robert G. Morris                     Vice President
              E. Wayne Nordberg                    Vice President
              John J. Walsh                        Vice President

(1)           Each of the above has a principal business address
              767 Fifth Avenue, New York, NY 10153

              (c)            Not applicable

Item 30.      Location of Accounts and Records

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

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

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

Item 31.      Management Services

              None

Item 32.      Undertakings

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

<PAGE>

Pursuant to the  requirements  of the  Securities Act of 1933 and the Investment
Company Act of 1940 the Registrant has duly caused this  Registration  Statement
and/or any  amendment  thereto  to be signed on its  behalf by the  undersigned,
thereunto duly authorized,  in the City of New York and State of New York on the
22th day of December 1995.

                                  LORD ABBETT INVESTMENT TRUST


                                  By  /S/ RONALD P. LYNCH
                                     Ronald P. Lynch, Chairman

Pursuant to the  requirements of the Securities Act of 1933,  this  Registration
Statement has been signed below by the following  persons in the  capacities and
on the dates indicated.



 
NAME                         TITLE                               DATE
- -----                        -----                               ----
                            Chairman,
/s/ Ronald P. Lynch         Trustee                           December 22, 1995


/s/ John J. Gargana, Jr.    Vice President &                  December 22, 1995
                            Chief Financial Officer
                       
/s/ E. Thayer Bigelow        Trustee                          December 22, 1995

/s/ Stewart S. Dixon         Trustee                          December 22, 1995


/s/ Robert S. Dow            Trustee & President              December 22, 1995


/s/ John C. Jansing          Trustee                          December 22, 1995


/s/ C. Alan MacDonald        Trustee                          December 22, 1995


/s/ Hansel B. Millican, Jr.  Trustee                          December 22, 1995
 

/s/ Thomas J. Neff           Trustee                          December 22, 1995

<PAGE>
 

                                 EXHIBIT INDEX


EXHIBIT
NO.                 DESCRIPTION
- -------             -----------
99.B1          Form of Articles Supplementary to Articles of Incorporation
99.B4          Form of Specimen Share Certificate
99.B15         Form of Rule 12b-1 Plan (California Series)


                                                              EXHIBIT 99.B4



                          LORD ABBETT INVESTMENT TRUST
              INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE
                        U.S. GOVERNMENT SECURITIES SERIES

CERTIFICATE NO.   DATE     SHARES      ACCOUNT NO.


         THIS IS TO CERTIFY THAT                                      CUSIP NO.



         is the registered  holder of fully paid and  non-assessable  Shares, of
beneficial  iterest,  of a series,  U.S.  Government  Securities  series (herein
called the "Series"),  of the LORD ABBETT INVESTMENT TRUST  (hereinafter  called
the  "Trust")  transferable  on the  books of the  Trust in  person,  or by duly
authorized attorney,  upon surrender of this Certificate properly endorsed. This
Cerificate is not valid until countersigned by a Transfer Agent and Registrar.
         WITNESS the seal of the Trust and the signatures of its duly authorized
officers.

Dated:

/s/ Keith O'Connor                    Ronald P. Lynch
    Treasurer                       Chairman of the Board


                 Countersigned:

                             UNITED MISSOURI BANK OF KANSAS CITY,
               National Association               Transfer Agent and Registrar

               By:     DST Systems, Inc.          SERVICE AGENT
                            (Kansas City, Missouri)


                              AUTHORIZED SIGNATURE


LORD ABBETT INVESTMENT TRUST
CORPORATE SEAL
1993
A DELAWARE BUSINESS TRUST


                                                                EXHIBIT 99.B5






                             Addendum to Management
                         Agreement between Lord Abbett
                    Investment Trust and Lord, Abbett & Co.
                    Dated October 20, 1993 (the "Agreement")


         Lord,  Abbett & Co. and Lord Abbett  Investment  Trust (the "Trust") on
behalf of Lord Abbett U.S.  Government  Series  ("Fund  Series") do hereby agree
that (a) the annual  management  fee rate for the Fund  Series  with  respect to
paragraph 2 of the Agreement shall be  three-quarters  (.50) of one percent (1%)
of the average daily net assets of the Fund Series and (b) the expense ratio for
the  determination  of the repayment by the Fund Series of expenses  voluntarily
paid or  reimbursed  by the  Investment  Manager  pursuant to paragraph 5 of the
Agreement  shall be ___%  for the  period  commencing  on the  first  day of the
calendar  quarter  after  the net  assets  of the Fund  Series  first  reach $50
million.  There shall be no change in such ratio on the  recalculation  date (as
defined in the Agreement).

         For  purposes  of  Section  15 (a) of the Act,  this  Addendum  and the
Agreement  shall together  constitute the  investment  advisory  contract of the
Series.





                                            LORD, ABBETT & CO.


                                    BY:     ________________________
                                            Managing Partner


                          LORD ABBETT INVESTMENT TRUST
               (on behalf of Lord Abbett U.S. Government Series)


                                    BY:  _______________________
                                            Vice President




Dated: December   , 1995



                                                                 EXHIBIT 99.B15


                   Rule 12b-1 Distribution Plan and Agreement


         RULE  12b-1  DISTRIBUTION  PLAN  AND  AGREEMENT  dated as of the day of
December 1995 by and between LORD ABBETT  INVESTMENT  TRUST, a Delaware business
trust (the  "Company") on behalf of its Lord Abbett U.S.  Government  Securities
Series (the "Fund Series"),  and LORD, ABBETT & CO., a New York partnership (the
"Distributor").

         WHEREAS,  the Company is an open-end management  investment company and
is registered as such under the Investment  Company Act of 1940, as amended (the
"Act");  and the Distributor acts as the Company's  distributor  pursuant to the
Distribution  Agreement between the Company and the Distributor,  dated the 20th
day of October, 1993.

         WHEREAS, the Company desires to adopt a Distribution Plan and Agreement
(the  "Plan") for the Fund Series with the  Distributor,  as  permitted  by Rule
12b-1 under the Act, pursuant to which the Fund Series may make certain payments
to  the  Distributor  for  payment  to   broker-dealers   with  respect  to  the
distribution of shares of the Fund Series.

         WHEREAS,  the  Company's  Trustees  have  determined  that  there  is a
reasonable  likelihood  that the Plan  will  benefit  the  Fund  Series  and its
shareholders.

         NOW,  THEREFORE,  in consideration of the mutual covenants and of other
good and valuable consideration,  receipt of which is hereby acknowledged, it is
agreed as follows:

         1.  The  Company  hereby  authorizes  the  Distributor  to  enter  into
distributor's  agreements  (the  "Distributor's  Agreements")  with  independent
broker-dealers  appointed by the  Distributor  providing for the payment to such
broker-dealers  of fees which the  Distributor  receives from the Fund Series in
order to provide incentives to the broker-dealers (i) to sell shares of the Fund
Series and (ii) to maintain Fund Series  shareholder  accounts and/or to provide
Fund Series  shareholders with service,  including  shareholder liaison services
such as  responding  to customer  inquires and  providing  information  on their
investments.  The Plan goes into effect (the "effective  date") on the first day
of the calendar  quarter  subsequent to the Fund Series' net assets reaching $50
million, with respect to all accounts,  including those existing at the time and
covered by Distributor's Agreements, except with respect to certain accounts for
which tracking data is not available.  The  Distributor  may, from time to time,
waive or defer  payment of fees  payable at the time of sale of shares  provided
for under paragraph 2 hereof.

         2. The Fund Series shall pay to the  Distributor  pursuant to this Plan
(i) fees for  services  at an annual rate not to exceed .25 of 1% of the average
daily  net  asset  value  of the  shares  of the  Fund  Series,  sold  from  the
commencement  of the Fund  Series'  public  offering,  and held in each  account
covered by the  Distributor's  Agreement;  and (ii) with respect to sales at the
breakpoint of $1 million or more, a one-time  distribution  fee of 1% of the net
asset value of shares sold on or after the effective date. The fees mentioned in
(i) and (ii) of this  paragraph are for the purposes  mentioned in (ii) and (i),


<PAGE>

respectively,  of paragraph 1 of this Plan. In determining whether a shareholder
has made an investment of the above breakpoint,  the investment may be deemed to
include the value of other shares of the Fund Series and the value of the shares
of any other  Lord  Abbett  managed  fund or series  that has a Rule  12b-1 plan
deemed  comparable  to this Plan for this purpose by the Trustees of the Company
(a "Lord Abbett Rule 12b-1 Fund") which the shareholder could include within the
right of  accumulation  or statement of  intention  privileges  described in the
Company's  Prospectus  as in effect at such time.  Such fees shall be calculated
and paid  quarterly,  subject to change by the  Trustees  of the  Company in the
manner contemplated in paragraph 11 of this Plan.

         3. If any shares as to which a distribution  fee described in paragraph
2 has been paid are redeemed out of the Lord Abbett family of funds on or before
the end of the  twenty-fourth  month  after the month in which the  shares  were
purchased (the  "twenty-fourth-month  end"), the shareholder will be required to
pay the Fund Series involved a contingent deferred reimbursement charge of 1% of
the lesser of the cost or then net asset value of the shares; provided, however,
that such  reimbursement  charge shall not apply to redemptions by tax qualified
retirement  plans under  Section 401 of the  Internal  Revenue  Code due to plan
loans, hardship withdrawals,  death,  retirement or separation from service with
respect to plan  participants.  If such shares in the Fund Series are  exchanged
for shares of another  Fund series or of another Lord Abbett Rule 12b-1 Fund and
the  shares of the other  fund or series  are later  redeemed  out of the family
before the  twenty-fourth-month  end, the 1% contingent  deferred  reimbursement
charge will be collected by the other Lord Abbett Rule 12b-1 Fund at the time of
redemption and will be paid to the Fund Series.  Effective the date hereof,  the
Fund Series also will  collect  such a charge for another Lord Abbett Rule 12b-1
Fund in a similar situation.  Adoption of this provision in similar Plans by the
other  Lord  Abbett  Rule  12b-1  Funds and their  shareholders  represents  the
agreement of such funds to collect such  charges  from their  shareholders.  The
timing,  categories  and  calculation  of  this  charge  may be  changed  by the
Company's Trustees in the manner contemplated in paragraph 11 of this Plan.

         4. Subject to the limits in paragraph 2, the  Distributor  may use such
amounts received from the Fund Series to finance any activity which is primarily
intended to result in the sale of shares of the Fund Series  including,  but not
limited to,  commissions  or other  payments  relating  to selling or  servicing
efforts,  provided:  (i) that the Company's Trustees (in the manner contemplated
in paragraph 11 of this Plan) shall have  approved  the timing,  categories  and
calculation of such payments,  and (ii) the Distributor shall neither retain any
portion of such payments,  nor use such payments for its  obligations  under the
above-mentioned Distribution Agreement.

         5. The value of the net assets of the Fund Series  shall be  determined
as provided  in the  Declaration  of Trust of the  Company.  If the  Distributor
waives  all or a  portion  of  fees  which  are to be paid  by the  Fund  Series
hereunder,  the Distributor  shall not be deemed to have waived its rights under
this Agreement to have the Fund Series pay such fees in the future.


<PAGE>


         6. The  Secretary of the Trust,  or in his absence the Chief  Financial
Officer,  is hereby  authorized  to direct  the  disposition  of monies  paid or
payable  by the  Fund  Series  hereunder  and  shall  provide  to the  Company's
Trustees, and the Trustees shall review, at least quarterly, a written report of
the amounts so expended  pursuant to this Plan and the  purposes  for which such
expenditures were made.

         7.  Neither  this Plan nor any other  transaction  between  the parties
hereto  pursuant to this Plan shall be invalidated or in any way affected by the
fact  that  any or  all  of  the  Trustees,  officers,  shareholders,  or  other
representatives  of  the  Company  are or may  be  "interested  persons"  of the
Distributor,  or any  successor or assignee  thereof,  or that any or all of the
directors,  trustees,  officers,  partners,  or  other  representatives  of  the
Distributor  are or may be  "interested  persons"  of  the  Company,  except  as
otherwise may be provided in the Act.

         8.  The  Distributor   shall  give  the  Company  the  benefit  of  the
Distributor's  best judgment and good faith efforts in rendering  services under
this Plan. Other than to abide by the provisions  hereof and render the services
called for hereunder in good faith,  the Distributor  assumes no  responsibility
under this Plan and, having so acted,  the Distributor  shall not be held liable
or held  accountable  for any mistake of law or fact,  or for any loss or damage
arising or resulting  therefrom suffered by the Company,  the Fund Series or any
of the shareholders,  creditors,  Trustees, or officers of the Company; provided
however,  that nothing herein shall be deemed to protect the Distributor against
any  liability  to the  Company or the Fund  Series'  shareholders  by reason of
willful  misfeasance,  bad faith or gross  negligence in the  performance of its
duties hereunder,  or by reason of the reckless  disregard of its obligation and
duties hereunder.

         9. This  Agreement  shall be effective  on the date  hereof,  and shall
continue  in  effect  for a period  of more than one year from such date only so
long as such continuance is specifically approved at least annually by a vote of
the  Trustees of the Company,  including  the vote of a majority of the Trustees
who are not  "interested  persons"  of the  Company  and who have no  direct  or
indirect  financial  interest in the  operation of this Plan or in any agreement
related  to the Plan,  cast in person at a meeting  called  for the  purpose  of
voting on such renewal.

         10. This Plan may not be amended to increase  materially  the amount to
be spent by the Fund  Series  hereunder  without  the vote of a majority  of its
outstanding  voting securities and each material amendment must be approved by a
vote of the  Trustees of the  Company,  including  the vote of a majority of the
Trustees who are not "interested  persons" of the Company and who have no direct
or indirect financial interest in the operation of this Plan or in any agreement
related  to the Plan,  cast in person at a meeting  called  for the  purpose  of
voting on such amendment.


<PAGE>


         11. Amendments to this Plan other than material  amendments of the kind
referred  to in  the  forgoing  paragraph  10 may be  adopted  by a vote  of the
Trustees of the  Company,  including  the vote of a majority of the Trustees who
are not  "interested  persons" of the Company and who have no direct or indirect
financial  interest in the operation of this Plan or in any agreement related to
this Plan. The Trustees of the Company may, by such a vote,  interpret this Plan
and make all determinations necessary or advisable for its administration.

         12. The Plan may be  terminated  at any time without the payment of any
penalty by (a) the vote of a majority of the Trustees of the Company who are not
"interested  persons" of the  Company  and have no direct or indirect  financial
interest in the operation of this Plan or in any agreement  related to the Plan,
or (b) by vote of a majority of the outstanding voting securities of the Series.
This Plan shall  automatically  terminate  in the event of its  assignment.  The
terms  "interested  persons,"  "assignment"  and  "vote  of a  majority  of  the
outstanding  voting  securities"  shall have the same meaning as those terms are
defined in the Act.

         13. The obligations of the Company, including those imposed hereby, are
not personally binding upon, nor shall resort be had to the private property of,
any of the Trustees, shareholders,  officers, employees or agents of the Company
individually,  but are binding only upon the assets and property of the Company.
Any and all personal liability, either at common law or in equity, or by statute
or constitution, of every such Trustee, shareholder,  officer, employee or agent
for any  breach of the  Company of any  agreement,  representation  or  warranty
hereunder is hereby expressly waived as a condition of and in consideration  for
the execution of this Agreement by the Company.

         IN WITNESS  WHEREOF,  each of the parties has caused this instrument to
be executed in its name and on its behalf by its duly authorized  representative
as of the date first above written.


                                    LORD ABBETT INVESTMENT TRUST


                                    By:
                                    Chairman


ATTEST:



Assistant Secretary


                                    LORD, ABBETT & CO.


                                    By:
Partner




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