Document:

Amendment No. 3 to Stockholders' Agreement

      Amendment No. 3 dated as of March 31, 1998, to the Stockholders'
Agreement, dated as of March 4, 1997 (the "Stockholders' Agreement"), by and
among Packard BioScience Company, a Delaware corporation ("Packard"), the
Management Stockholders listed in Schedule 1 thereto, the Non-Management
Stockholders listed in Schedule 2 thereto, Merrill Lynch KECALP L.P. 1994,
KECALP Inc. and Stonington Capital Appreciation 1994 Fund, L.P.

      WHEREAS, pursuant to, and in accordance with, Section 6.4 of the
Stockholders' Agreement, the parties hereto wish to amend the Stockholders'
Agreement on the terms contained herein.

      WHEREAS, pursuant to Section 6.4 of the Stockholders' Agreement only the
consent of Packard is required to add parties who become holders of stock,
options or other securities of Packard;

      WHEREAS, pursuant to the Stock Purchase Agreement by and between Packard
and Richard A. Carl, an individual resident of Rancho Palos Verdes, dated March
31, 1998, Richard A. Carl is the holder of 81, 662 shares of Packard common
stock; and

      WHEREAS, pursuant to the Agreement and Release by and among Packard, Carl
Creative Systems, Inc., a California corporation, and Daniel B. Roark, an
individual resident of Redmond, Washington, dated March 31, 1998, Daniel B.
Roark is the holder of 27,221 shares of Packard common stock.

      NOW THEREFORE, the parties hereto agree as follows:

      1. Amendments. The Stockholders' Agreement is hereby amended as follows:

            Richard A. Carl and Daniel B. Roark shall be added to Schedule 1 to
the Stockholders' Agreement as Management Stockholders.

      2. Governing Law. This Amendment shall be governed by and construed in
accordance with the internal laws of the State of Delaware without reference to
the application of principles of conflicts law.

      3. Reaffirmation. In all respect not inconsistent with the terms and
provisions of this Amendment No. 3, the Stockholders' Agreement shall continue
to be in full force and effect in accordance with the terms and conditions
thereof, and is hereby ratified, adopted, approved and confirmed. From and after
the date hereof, each reference to the Stockholders' Agreement in any other
instrument or document shall be deemed a reference to the Stockholders'
Agreement as amended hereby, unless the context otherwise requires.

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                                      -2-

      4. No Waiver. None of the execution, delivery or performance of this
Amendment No. 3 shall operate as waiver of any condition, power, remedy or right
exercisable in accordance with the Stockholders' Agreement, or constitute a
waiver of any provision of the Stockholders' Agreement, except as expressly
provided herein.

      IN WITNESS WHEREOF, each of the parties hereto has duly executed this
Amendment No. 3 as of the date first above written.

                                    PACKARD BIOSCIENCE COMPANY

                                    By: /s/ Richard T. McKernan
                                        ----------------------------------------
                                    Name:  Richard T. McKernan
                                    Title: Senior Vice PresidentFIRST AMENDMENT TO
                              EMPLOYMENT AGREEMENT

THIS FIRST AMENDMENT TO EMPLOYMENT AGREEMENT (this "Amendment"), dated this __
day of October, 1998, is made and entered into by and between Packard BioScience
Company, a Delaware corporation (the "Company"), and Ben D. Kaplan (the
"Executive").

WHEREAS, the Company and the Executive entered into an employment agreement,
dated March 4, 1997 (the "Employment Agreement"); and

WHEREAS, the Company and Executive desire to amend the Employment Agreement to
provide for automatic renewals of the Employment Agreement as set forth herein.

NOW, THEREFORE, in consideration of the mutual promises contained herein, and
for other good and valuable consideration the receipt and sufficiency of which
are hereby acknowledged, the Company and Executive hereby amend the Employment
Agreement as follows:

1.    Section 1 of the Employment Agreement is hereby amended by adding the
      following language to the end of such Section 1:

      "; provided, however, that commencing on the date two years after the date
      of this Employment Agreement (the "Initial Renewal Date"), and on the
      first day of each calendar month thereafter (each such date and the
      Initial Renewal Date shall be hereinafter referred to as a "Renewal
      Date"), unless previously terminated, the Employment Period shall be
      automatically extended so as to terminate thirteen calendar months after
      such Renewal Date, unless at least sixty days prior to the Renewal Date
      the Company shall give notice to the Executive that the Employment Period
      shall not be so extended."

2.    Except as specifically amended hereby, the Employment Agreement shall
      remain in full force and effect.

3.    The Company and the Executive acknowledge that this Agreement supersedes
      any other agreement between them with respect to the subject matter
      hereof, and that this Amendment shall be incorporated into and shall form
      an integral part of the Employment Agreement.

4.    This Amendment may be executed in several counterparts, each of which
      shall be deemed an original, and said counterparts shall constitute but
      one and the same instrument.

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IN WITNESS WHEREOF, the Executive has executed this Amendment and, pursuant to
the authorization of its Board of Directors, the Company has caused this
Amendment to be executed on its behalf, all as of the date first above written.

EXECUTIVE

---------------------------------
Ben D. Kaplan

PACKARD BIOSCIENCE COMPANY

----------------------------------
Emery G. Olcott, PresidentExhibit No. 10(24)

                     Description Of Employment Arrangements
                             For Gilbert K. Gailius

The Board of Directors of American Biltrite Inc. (the "Company") recently
approved employment arrangements for Gilbert K. Gailius, formerly the Company's
Chief Financial Officer. These arrangements are effective as of January 1, 2000.
Under these arrangements, the Company has agreed to employ Mr. Gailius for a
period of two years as its Vice President of Strategic Planning at a salary of
$150,000 per year. In his new position, Mr. Gailius continues to participate in
the Company's annual bonus program at a level 50% lower than the level at which
he participated in that program for the Company's 1999 fiscal year. Mr. Gailius
also is eligible for pension benefits equal to $100,000 per year, consisting of
(a) the dollar amount of retirement benefits actually payable to Mr. Gailius
under The Retirement Plan for Salaried Employees of American Biltrite Inc. (the
"Pension Plan"); (b) an amount equal to the difference between (i) the dollar
amount of retirement benefits to which Mr. Gailius would have been entitled to
at age 65 under the Pension Plan absent any limit on credited compensation
imposed by the Internal Revenue Code of 1986, as amended, and (ii) the dollar
amount of retirement benefits actually payable to Mr. Gailius under the Pension
Plan; and (c) an additional cash payment from the Company. The payment
referenced in clause (c) of the immediately preceding sentence is guaranteed for
at least five years after Mr. Gailius's two-year term expires on January 1,
2002.

Mr. Gailius's duties and responsibilities as Vice President of Strategic
Planning will be as determined from time to time by the Company's President.

                                       68MONSTERDAATA.COM, INC.

             CERTIFICATE OF DESIGNATIONS, PREFERENCES AND RIGHTS OF

                 SERIES B CUMULATIVE CONVERTIBLE PREFERRED STOCK

                         Pursuant to Section 151 of the
                General Corporation Law of the State of Delaware

            MONSTERDAATA.COM, INC., a corporation organized and existing under
the laws of the State of Delaware (the "Corporation"), does hereby certify that,
pursuant to the authority conferred on the Board of Directors of the Corporation
by the Certificate of Incorporation of the Corporation and in accordance with
Section 151 of the General Corporation Law of the State of Delaware, the Board
of Directors of the Corporation adopted the following resolution establishing a
series of Preferred Stock of the Corporation designated as "Series B Cumulative
Convertible Preferred Stock":

            RESOLVED, that pursuant to the authority conferred on the Board of
            Directors of this Corporation by the Certificate of Incorporation,
            as amended, a series of Preferred Stock, par value $.01 per share,
            of the Corporation is hereby established and created, and that the
            designation and number of shares thereof and the voting and other
            powers, preferences and relative, participating, optional or other
            rights of the shares of such series and the qualifications,
            limitations and restrictions thereof are as follows:

                      Series B Convertible Preferred Stock

            Section 1. Designation and Amount. The shares of such series shall
be designated as "Series B Cumulative Convertible Preferred Stock" (the "Series
B Preferred Stock") and the number of shares constituting such series shall be
2,000.

            Section 2. Issuance of Additional Shares. The number of authorized
shares of the Series B Preferred Stock may be reduced or eliminated by the Board
of Directors of the Corporation or a duly-authorized committee thereof in
compliance with the General Corporation Law of the State of Delaware stating
that such reduction has been authorized, but the number of authorized shares of
Series B Preferred Stock shall not be increased.

            Section 3. Certain Definitions. For purposes hereof the following
definitions shall apply:

            "Board" shall mean the Board of Directors of the Corporation.

            "Business Day" shall mean any day excluding Saturday, Sunday and any
day which shall be in the State of New York a legal holiday or a day on which
banking institutions in the State of New York are authorized by law to close.

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                                                                               2

            "Common Stock" shall mean the Common Stock, par value $.01 per
share, of the Corporation.

            "Conversion Adjustment Condition" shall mean the receipt by the
Corporation of net proceeds of at least $3,000,000 from the private or public
sale of Junior Stock issued on terms which fairly value the Corporation's Common
Stock at a price in excess of $2.50 per share (or, if applicable, the adjusted
value per share that proportionally reflects any stock split, combination,
dividend, reclassification or similar event involving the Corporation's Common
Stock, in each case in accordance with the principles set forth in Section 7).

            "Corporation" shall mean MonsterDaata.com, Inc., a Delaware
corporation.

            "Issuance Date" shall mean the date of original issuance of the
Series B Preferred Stock.

            "Junior Stock" shall mean the Common Stock and any shares of
Preferred Stock of any series or class of the Corporation, whether presently
outstanding or hereafter issued, which are by their terms expressly made junior
to the shares of Series B Preferred Stock at the time outstanding as to the
distribution of assets on any voluntary or involuntary liquidation, dissolution
or winding up of the Corporation and are not subject to mandatory redemption or
repurchase prior to the date on which no shares of Series B Preferred Stock are
outstanding.

            "Majority of the Series B Preferred Stock" shall mean more than 50%
of the outstanding shares of Series B Preferred Stock.

            "Preferred Stock" shall mean the unclassified Preferred Stock, par
value $.01 per share, of the Corporation.

            "Redemption Date" shall have the meaning assigned to such term in
Section 6(b) hereof.

            "Redemption Price" shall have the meaning assigned to such term in
Section 6(c) hereof.

            "Redemption Notice" shall have the meaning assigned to such term in
Section 6(d) hereof.

            "Series B Conversion Ratio" shall have the meaning assigned to such
term in Section 8(b) hereof.

            "Series A Preferred Stock" shall mean the Series A Convertible
Preferred Stock, par value $.01 per share, of the Corporation.

            "Series B Preferred Stock" shall mean the Series B Convertible
Preferred Stock, par value $.01 per share, of the Corporation.

            "Supermajority of the Series B Preferred Stock" shall mean more than
90% of the outstanding shares of Series B Preferred Stock.

<PAGE>
                                                                               3

            "Voting Stock" shall mean any shares having general voting power in
electing the Board (irrespective of whether or not at the time stock of any
other class or classes has or might have voting power by reason of the
occurrence of any contingency). The Common Stock is Voting Stock.

            Section 4. Dividends.

            (a) Dividends and Distributions. Subject to the prior and superior
rights of the holders of any shares of any series or class of capital stock
ranking prior and superior to the shares of Series B Preferred Stock with
respect to dividends, the holders of shares of Series B Preferred Stock shall be
entitled to receive out of assets legally available for that purpose, a
quarterly cumulative dividend equal to 1.5% of the then applicable liquidation
preference (i.e., 6% per annum, compounded quarterly).

            (b) All dividends or distributions declared upon the Series B
Preferred Stock shall be declared pro rata per share.

            Section 5. Liquidation Rights of Series B Preferred Stock. In the
event of a liquidation, dissolution or winding up of the Corporation, whether
voluntary or involuntary (a "Liquidation Event"), after payment or provision for
payment of debts and other liabilities of the Corporation, the holders of the
Series B Preferred Stock then outstanding shall first be entitled to be paid out
of the assets of the Corporation available for distribution to its shareholders,
whether such assets are capital, surplus, or earnings, before any payment or
declaration and setting apart for payment of any amount shall be made in respect
of Junior Stock, but pari passu with shares of other series of preferred stock
ranking on a parity with the Series B Preferred Stock including, without
limitation, shares of Series A Preferred Stock (on the basis of the relative
liquidation amounts for each such series), an amount equal to $1,000 per share
(subject to appropriate adjustment to reflect any stock split, combination,
reclassification or reorganization of the Series B Preferred Stock) plus an
amount equal to all declared and unpaid dividends thereon. If upon any
Liquidation Event, whether voluntary or involuntary, the assets to be
distributed to the holders of the Series B Preferred Stock shall be insufficient
to permit the payment to such shareholders of the full preferential amounts
aforesaid, then all of the assets of the Corporation to be distributed shall be
so distributed ratably to the holders of the Series B Preferred Stock on the
basis of the number of shares of Series B Preferred Stock held. All shares of
Series B Preferred Stock shall rank as to payment, upon the occurrence of a
Liquidation Event, senior to the Common Stock as provided herein and, unless the
terms of such series shall provide otherwise, senior to all other series of the
Corporation's preferred stock.

            Section 6. Redemption.

            (a) Restriction on Redemption and Purchase. Except as expressly
provided in this Section 6, the Corporation shall not have the right to
purchase, call, redeem or otherwise acquire for value any or all of the Series B
Preferred Stock.

            (b) Optional Redemption. At any time after the first anniversary of
the Issuance Date, the Corporation may, at its option, redeem the Series B
Preferred Stock in whole, but not in

<PAGE>
                                                                               4

part, at the Redemption Price hereinafter specified; provided, however, that the
Corporation shall not redeem Series B Preferred Stock or give notice of any
redemption unless the Corporation has sufficient and lawful funds to redeem all
of the then outstanding Series B Preferred Stock. The date on which the Series B
Preferred Stock is to be redeemed pursuant to this Section 6(b) is herein called
the "Redemption Date."

            (c) Redemption Price. The Redemption Price of the Series B Preferred
Stock (the "Redemption Price") shall be an amount per share equal to $1,100
(subject to appropriate adjustment to reflect any stock split, combination,
reclassification or reorganization of the Series B Preferred Stock) plus all
declared and unpaid dividends thereon, to and including the Redemption Date.

            (d) Redemption Notice. The Corporation shall, not less than thirty
(30) days nor more than sixty (60) days prior to the Redemption Date, give
written notice ("Redemption Notice") to each holder of record of Series B
Preferred Stock to be redeemed. The Redemption Notice shall state:

                  (1)   that all of the outstanding shares of Series B Preferred
                        Stock are to be redeemed and the total number of shares
                        being redeemed;

                  (2)   the number of shares of Series B Preferred Stock held by
                        the holder which the Corporation intends to redeem;

                  (3)   the Redemption Date and Redemption Price;

                  (4)   that the holder's right to convert the Series B
                        Preferred Stock into shares of the Common Stock as
                        provided in Section 8 hereof will terminate on the
                        Redemption Date; and

                  (5)   the time, place and manner in which the holder is to
                        surrender to the Corporation the certificate or
                        certificates representing the shares of Series B
                        Preferred Stock to be redeemed.

            (e) Payment of Redemption Price and Surrender of Stock. On the
Redemption Date, the Redemption Price of the Series B Preferred Stock scheduled
to be redeemed or called for redemption shall be payable to the holders of the
Series B Preferred Stock. On or before the Redemption Date, each holder of
Series B Preferred Stock to be redeemed, unless the holder has exercised his
right to convert the shares as provided in Section 8 hereof, shall surrender the
certificate or certificates representing such shares to the Corporation, in the
manner and at the place designated in the Redemption Notice, and thereupon the
Redemption Price for such shares shall be payable to the order of the person or
entity whose name appears on such certificate or certificates as the owner
thereof, and each surrendered certificate shall be cancelled and retired.

            (f) Termination of Rights. If the Redemption Notice is duly given,
and, if at least ten (10) days prior to the Redemption Date, the Redemption
Price is either paid or made available for payment through the arrangement
specified in subsection (g) below, then notwithstanding that the certificates
evidencing any of the shares of Series B Preferred Stock so

<PAGE>
                                                                               5

called or scheduled for redemption have not been surrendered, all rights with
respect to such shares shall forthwith after the Redemption Date cease and
terminate, except only (i) the right of the holders to receive the Redemption
Price without interest upon surrender of their certificates therefor or (ii) the
right to receive shares of Common Stock upon exercise of the conversion rights
provided in Section 8 hereof on or before the Redemption Date.

            (g) Deposit of Funds. At least ten (10) days prior to the Redemption
Date, the Corporation shall deposit with any bank or trust company in New York,
New York, a sum equal to the aggregate Redemption Price of all shares of the
Series B Preferred Stock scheduled to be redeemed or called for redemption and
not yet redeemed, with irrevocable instructions and authority to the bank or
trust company to pay the Redemption Price to the respective holders upon the
surrender of their share certificates. The deposit shall constitute full payment
for the shares of Series B Preferred Stock to the holders thereof, and from and
after the later of the date of such deposit and the Redemption Date, the shares
of Series B Preferred Stock shall be deemed to be redeemed and no longer
outstanding, and the holders thereof shall cease to be shareholders with respect
to such shares of Series B Preferred Stock and shall have no rights with respect
thereto, except the right to receive from the back or trust company payment of
the Redemption Price of the shares of Series B Preferred Stock, without
interest, upon surrender of their certificates therefor and the right, prior to
the Redemption Date, to convert such shares of Series B Preferred Stock into
shares of Common Stock as provided in Section 8 hereof. Any monies so deposited
and unclaimed at the end of one year from the Redemption Date shall be released
or repaid to the Corporation, after which time the holder of shares of Series B
Preferred Stock called for redemption shall be entitled to receive payment of
the Redemption Price only from the Corporation.

            Section 7.  Voting Rights.

            (a) Series B Preferred Stock. Except as set forth in paragraph (b)
of this Section, the holders of Series B Preferred Stock shall have no voting
rights on any matters.

            (b) Amendment of Certificate of Incorporation. Any amendment to the
Certificate of Incorporation of the Corporation that adversely affects the
conversion terms or other economic rights or preferences of the Series B
Preferred Stock shall require the approval of the holders of a Supermajority of
the Series B Preferred Stock. The adoption of a Certificate of Designations for
a senior class of Preferred Stock by itself shall be deemed to not constitute an
amendment to the Certificate of Incorporation of the Corporation for the
purposes of this Section.

            Section 8. Conversion. The holders of Series B Preferred Stock shall
have the following conversion rights:

            (a) Right to Convert. Each share of Series B Preferred Stock shall
be convertible, at any time at the option of the holder thereof, into validly
issued, fully paid and nonassessable shares of Common Stock.

            (b) Series B Conversion Ratio. Each share of Series B Preferred
Stock shall be convertible into shares of Common Stock at a ratio (the "Series B
Conversion Ratio") equal to

<PAGE>
                                                                               6

267 shares of Common Stock for each share of Series B Preferred Stock, subject
to adjustment as hereinafter provided; provided, however, that if the Conversion
Adjustment Condition has not been satisfied on or prior to December 1, 2000, the
Series B Conversion Ratio shall be equal to 334 shares of Common Stock for each
outstanding share of Series B Preferred Stock from and after such December 1,
2000 date, subject to adjustment as hereinafter provided.

            (c) Dividends Upon Conversion. Upon conversion, all accrued and
unpaid dividends (whether or not declared), if any, on the Series B Preferred
Stock shall be canceled.

            (d)  Automatic Conversion.

                  (1) The Series B Preferred Stock will be automatically
converted into shares of Common Stock (i) in the event of (A) any consolidation
or merger of the Corporation with or into any other unrelated corporation or
other entity in which the Corporation is not the surviving entity, or any other
corporate reorganization or transaction or series of related transactions by the
Corporation in which in excess of 75% of the Corporation's voting power is
transferred to an unrelated person or entity, or (B) a sale or other disposition
of all or substantially all of the assets of the Corporation (any such event in
(A) or (B), a "Merger Transaction") or (ii) upon receipt by the Corporation of a
written notice from the holders of a Supermajority of the Series B Preferred
Stock electing to convert their shares of Series B Preferred Stock.

                  (2) Upon the occurrence of any of the events specified in
paragraph (d)(1) above, the outstanding shares of Series B Preferred Stock shall
be converted automatically without any further action by the holders of such
shares and whether or not the certificates representing such shares are
surrendered to the Corporation or its transfer agent; provided, however, that
the Corporation shall not be obligated to issue certificates evidencing the
shares of Common Stock issuable upon such conversion unless the certificates
evidencing such shares of Series B Preferred Stock are either delivered to the
Corporation or its transfer agent as provided below, or the holder thereof
notifies the Corporation or its transfer agent that such certificates have been
lost, stolen, mutilated or destroyed and executes an agreement satisfactory to
the Corporation to indemnify the Corporation from any loss incurred by it in
connection with such certificates. Upon the occurrence of such automatic
conversion of the Series B Preferred Stock, the holders of Series B Preferred
Stock shall surrender the certificates representing such shares at the office of
the Corporation or any transfer agent for the Series B Preferred Stock.
Thereupon, there shall be issued and delivered to such holder promptly at such
office and in its name as shown on such surrendered certificate or certificates,
a certificate or certificates for the number of shares of Common Stock into
which the share of Series B Preferred Stock surrendered were convertible on the
date on which such automatic conversion occurred.

            (e) Mechanics of Conversion. Each holder of Series B Preferred Stock
that desires to convert its shares of Series B Preferred Stock into shares of
Common Stock shall surrender the certificate or certificates therefor, duly
endorsed, at the office of the Corporation or of any transfer agent for the
Series B Preferred Stock or Common Stock, and shall give written notice to the
Corporation at such office that such holder elects to convert the same and shall
state therein the number of shares of Series B Preferred Stock being converted.
Thereupon the Corporation shall promptly issue and deliver to such holder a
certificate or certificates for the

<PAGE>
                                                                               7

number of shares of Common Stock to which such holder is entitled. Such
conversion shall be deemed to have been made immediately prior to the close of
business on the date of such surrender of the certificate or certificates
representing the shares of Series B Preferred Stock to be converted, and the
person or entity entitled to receive the shares of Common Stock issuable upon
such conversion shall be treated for all purposes as the record holder of such
shares of Common Stock on such date. In the event that a notice to convert is
given following a Redemption Notice and such redemption is not consummated, the
conversion shall, at the option of the holder of the Series B Preferred Stock
who tendered for conversion, be voidable and such holder shall have the right to
maintain ownership of the shares of Series B Preferred Stock tendered for
conversion.

            (f) Adjustment for Stock Splits and Combinations. If the Corporation
at any time or from time to time after the Issuance Date effects a subdivision
of the outstanding Common Stock, the Series B Conversion Ratio then in effect
immediately before that subdivision shall be proportionately increased (and the
Series B Conversion Ratio that would apply after December 1, 2000, if the
Conversion Adjustment Condition is not satisfied, shall be proportionately
increased), and conversely, if the Corporation at any time or from time to time
after the Issuance Date combines the outstanding shares of Common Stock into a
smaller number of shares, the Series B Conversion Ratio then in effect
immediately before the combination shall be proportionately decreased (and the
Series B Conversion Ratio that would apply after December 1, 2000, if the
Conversion Adjustment Condition is not satisfied, shall be proportionately
decreased). Any adjustment under this subsection (f) shall become effective at
the close of business on the date the subdivision or combination becomes
effective.

            (g) Adjustment for Certain Dividends and Distributions. If the
Corporation at any time or from time to time after the Issuance Date makes, or
fixes a record date for the determination of holders of Common Stock entitled to
receive, a dividend or other distribution payable in additional shares of Common
Stock, then and in each such event the Series B Conversion Ratio then in effect
shall be increased (and the Series B Conversion Ratio that would apply after
December 1, 2000, if the Conversion Adjustment Condition is not satisfied, shall
be proportionately increased) as of the time of such issuance or, in the event
such record date is fixed, as of the close of business on such record date, by
multiplying the Series B Conversion Ratio then in effect by a fraction (1) the
numerator of which shall be the total number of shares of Common Stock issued
and outstanding immediately prior to the time of such issuance or the close of
business on such record date plus the number of shares of Common Stock issuable
in payment of such dividend or distribution, and (2) the denominator of which
shall be the total number of shares of Common Stock issued and outstanding
immediately prior to the time of such issuance or the close of business on such
record date; provided, however, that, if such record date is fixed and such
dividend is not fully paid or if such distribution is not fully made on the date
fixed therefor, the Series B Conversion Ratio shall be recomputed accordingly as
of the close of business on such record date and thereafter the Series B
Conversion Ratio shall be adjusted pursuant to this subsection (g) as of the
time of actual payment of such dividends or distributions.

            (h) Adjustment for Reclassification, Exchange and Substitution. In
the event that at any time or from time to time after the Issuance Date, the
Common Stock issuable upon the conversion of the Series B Preferred Stock is
changed into the same or a different number of

<PAGE>
                                                                               8

shares of any class or classes of stock, whether by recapitalization,
reclassification or otherwise (other than a subdivision or combination of shares
of stock dividend or a reorganization, merger, consolidation or sale or assets,
provided for elsewhere in this Section 8), then and in any such event each
holder of Series B Preferred Stock shall have the right thereafter to convert
such Series B Preferred Stock into the kind and amount of stock and other
securities and property receivable upon such recapitalization, reclassification
or other change, by holders of the maximum number of shares of Common Stock into
which such shares of Series B Preferred Stock could have been converted
immediately prior to such recapitalization, reclassification or change, all
subject to further adjustment as provided herein.

            (i) Certificate of Adjustment. In each case of an adjustment or
readjustment of the Series B Conversion Ratio, the Corporation, at its expense,
shall cause its Chief Financial Officer or Chief Accounting Officer to compute
such adjustment or readjustment in accordance with the provisions hereof and
prepare a certificate showing such adjustment or readjustment, and shall mail
such certificate, by certified mail, return receipt requested, postage prepaid,
to cash registered holder of Series B Preferred Stock at the holder's address as
shown in the Corporation's books. The certificate shall set forth such
adjustment or readjustment, showing in detail the facts upon which such
adjustment or readjustment is based, including a statement of (1) the Series B
Conversion Ratio at the time in effect and (2) the type and amount, if any, of
other property which at the time would be received upon conversion of the Series
B Preferred Stock.

            (j) Fractional Shares. No fractional shares of Common Stock shall be
issuable upon conversion of the Series B Preferred Stock. In lieu of any
fractional share to which the holder would otherwise be entitled, the
Corporation shall pay cash equal to the product of such fraction multiplied by
the fair market value of one share of Common Stock on the date of conversion, as
determined in good faith by the Board.

            (k) Reservation of Common Stock Issuable Upon Conversion. The
Corporation shall at all times reserve and keep available out of its authorized
but unissued shares of Common Stock, solely for the purpose of effecting the
conversion of the shares of the Series B Preferred Stock, such number of its
shares of Common Stock as shall from time to time be sufficient to effect the
conversion of all outstanding shares of the Series B Preferred Stock.

            (l) Notices. Any notice required or permitted by this Section 8 or
any other provision hereof to be given shall be deemed sufficient and effective
when received if in writing and sent by hand delivery, overnight courier or
certified or registered mail, return receipt requested, postage prepaid, and
addressed (x) to a holder of record of Series B Preferred Stock at the address
of such holder appearing on the books of the Corporation, or (y) to the
Corporation at 115 Stevens Avenue, Valhalla, NY, 10595 or (z) to the Corporation
or any such holder, at any other address for the giving of notice specified in a
written notice given to the other.

            (m) Payment of Taxes and Other Charges. The Corporation will pay all
taxes (other than taxes based upon income) and other governmental or third party
charges that may be imposed with respect to the issue or delivery of shares of
Common Stock upon conversion of shares of Series B Preferred Stock, including,
without limitation, any tax or other charge imposed in connection with any
transfer involved in the issue and delivery of shares of Common

<PAGE>
                                                                               9

Stock in a name other than that in which the shares of Series B Preferred Stock
so converted were registered.

             Section 9. No Amendment or Impairment. The Corporation shall not
amend its Certificate of Incorporation or participate in any reorganization,
transfer of assets, consolidation, merger, dissolution, issue or sale of
securities or any other voluntary action, for the purpose of avoiding or seeking
to avoid the observance or performance of any of the terms to be observed or
performed hereunder by the Corporation.

             Section 10. No Reissuance of Series B Preferred Stock. No share or
shares of Series B Preferred Stock acquired by the Corporation by reason of
redemption, purchase, conversion or otherwise shall be reissued.

             Section 11. Outstanding Shares. For the purpose of this Certificate
of Designations, all shares of Series B Preferred Stock issued shall be deemed
outstanding except (i) from the date, or the deemed date, of surrender of
certificates evidencing shares of Series B Preferred Stock, all shares of Series
B Preferred Stock converted into Common Stock, (ii) from the date of
registration of transfer, all shares of Series B Preferred Stock held of record
by the Corporation or any subsidiary of the Corporation and (iii) any and all
shares of Series B Preferred Stock held (in escrow or otherwise) prior to
delivery of such stock by the Corporation to the initial beneficial owners
thereof.

             Section 12. Status of Acquired Shares. Shares of Series B Preferred
Stock received upon redemption, purchase, conversion or otherwise acquired by
the Corporation will be restored to the status of authorized but unissued shares
of Preferred Stock, without designation as to class, and may thereafter be
issued, but not as shares of Series B Preferred Stock.

            Section 13. Preemptive Rights. The Series B Preferred Stock is not
entitled to any preemptive or subscription rights in respect of any securities
of the Corporation.

             Section 14. Severability of Provisions. Whenever possible, each
provision hereof shall be interpreted in a manner as to be effective and valid
under applicable law, but if any provision hereof is held to be prohibited by or
invalid under applicable law , such provision shall be ineffective only to the
extent of such prohibition or invalidity, without invalidating or otherwise
adversely affecting the remaining provisions hereof. If a court of competent
jurisdiction should determine that a provision hereof would be valid or
enforceable if a period of time were extended or shortened or a particular
percentage were increased or decreased, then such court may make such change as
shall be necessary to render the provision in question effective and valid under
applicable law.

<PAGE>
                                                                              10

            IN WITNESS WHEREOF, MonsterDaata.com, Inc. has caused this
certificate to be signed on its behalf by James Garfinkel, its Vice President
and Secretary, this 24th day of March, 2000.

                                     MONSTERDAATA.COM, INC.

                                     By:   /s/ James Garfinkel
                                        --------------------------------------
                                           Name: James Garfinkel
                                           Title: Vice President and Secretary

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