PEARSON INC
SC 13D, 1999-11-24
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<PAGE>

                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549
                              --------------------

                                  SCHEDULE 13D

                                 (Rule 13d-101)

                           INFORMATION TO BE INCLUDED
                          IN STATEMENTS FILED PURSUANT
                         TO RULE 13d-1(a) AND AMENDMENTS
                     THERETO FILED PURSUANT TO RULE 13d-2(a)



                          DATA BROADCASTING CORPORATION
- --------------------------------------------------------------------------------
                                (Name of Issuer)


                    Common Stock, par value $ .01 per share.
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    237596101
- --------------------------------------------------------------------------------
                                 (CUSIP Number)


                                c/o Pearson Inc.
                     1330 Avenue of the Americas, 7th Floor
                            New York, New York 10019
                                 (212) 641-2421
- --------------------------------------------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)


                                 With Copies To:
                               Anne E. Gold, Esq.
                           Morgan, Lewis & Bockius LLP
                                 101 Park Avenue
                            New York, New York 10178
                                 (212) 309-6000

                                November 14, 1999
- --------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of This Statement)


         If the filing person has previously filed a statement on Schedule 13D
to report the acquisition that is the subject of this Schedule 13D, and is
filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the
following box / /.

         NOTE: Schedules filed in paper format shall include a signed original
and five copies of the schedule, including all exhibits. SEE Rule 13d-7(b) for
other parties to whom copies are to be sent.

                         (Continued on following pages)
                              (Page 1 of 23 Pages)

         1The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter disclosures provided in a prior cover page.

         The information required on the remainder of this cover page shall not
be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, SEE the
Notes).




<PAGE>





CUSIP No. 237596101                   13D         Page   2   of   23     Pages
- -------------------                               ----------------------------

- --------------------------------------------------------------------------------
     1  NAME OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
                 PEARSON PLC                 EIN:
- --------------------------------------------------------------------------------
     2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*            (A) / /
                                                                     (B) /X/
- --------------------------------------------------------------------------------
     3  SEC USE ONLY
- --------------------------------------------------------------------------------
     4  SOURCE OF FUNDS*

                 NOT APPLICABLE
- --------------------------------------------------------------------------------
     5  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
        TO ITEM 2(d) OR 2(e)                                             / /
- --------------------------------------------------------------------------------
     6  CITIZENSHIP OR PLACE OF ORGANIZATION

                 ENGLAND & WALES
- --------------------------------------------------------------------------------
                      7     SOLE VOTING POWER

       NUMBER OF                      0
        SHARES       -----------------------------------------------------------
     BENEFICIALLY     8      SHARED VOTING POWER
       OWNED BY
         EACH                    SEE ITEM 5 OF ATTACHED SCHEDULE
       REPORTING     -----------------------------------------------------------
      PERSON WITH     9      SOLE DISPOSITIVE POWER

                                      0
                     -----------------------------------------------------------
                     10      SHARED DISPOSITIVE POWER

                               SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
              CERTAIN SHARES*                                            / /
- --------------------------------------------------------------------------------
     13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     14       TYPE OF REPORTING PERSON*

                       CO
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                       -2-

<PAGE>






CUSIP No. 237596101                   13D         Page   3   of   23     Pages
- -------------------                               ----------------------------

- --------------------------------------------------------------------------------
     1  NAME OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
                 PEARSON OVERSEAS HOLDINGS LTD.    EIN:
- --------------------------------------------------------------------------------
     2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*            (A) / /
                                                                     (B) /X/
- --------------------------------------------------------------------------------
     3  SEC USE ONLY
- --------------------------------------------------------------------------------
     4  SOURCE OF FUNDS*

                 NOT APPLICABLE
- --------------------------------------------------------------------------------
     5  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
        TO ITEM 2(d) OR 2(e)                                             / /
- --------------------------------------------------------------------------------
     6  CITIZENSHIP OR PLACE OF ORGANIZATION

                 ENGLAND & WALES
- --------------------------------------------------------------------------------
                      7     SOLE VOTING POWER

       NUMBER OF                      0
        SHARES       -----------------------------------------------------------
     BENEFICIALLY     8      SHARED VOTING POWER
       OWNED BY
         EACH                    SEE ITEM 5 OF ATTACHED SCHEDULE
       REPORTING     -----------------------------------------------------------
      PERSON WITH     9      SOLE DISPOSITIVE POWER

                                      0
                     -----------------------------------------------------------
                     10      SHARED DISPOSITIVE POWER

                               SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
              CERTAIN SHARES*                                            / /
- --------------------------------------------------------------------------------
     13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     14       TYPE OF REPORTING PERSON*

                       CO
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                       -3-

<PAGE>





CUSIP No. 237596101                   13D         Page   4   of   23     Pages
- -------------------                               ----------------------------

- --------------------------------------------------------------------------------
     1  NAME OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
                 PEARSON NETHERLANDS BV  EIN:
- --------------------------------------------------------------------------------
     2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*            (A) / /
                                                                     (B) /X/
- --------------------------------------------------------------------------------
     3  SEC USE ONLY
- --------------------------------------------------------------------------------
     4  SOURCE OF FUNDS*

                 NOT APPLICABLE
- --------------------------------------------------------------------------------
     5  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
        TO ITEM 2(d) OR 2(e)                                             / /
- --------------------------------------------------------------------------------
     6  CITIZENSHIP OR PLACE OF ORGANIZATION

                 NETHERLANDS
- --------------------------------------------------------------------------------
                      7     SOLE VOTING POWER

       NUMBER OF                      0
        SHARES       -----------------------------------------------------------
     BENEFICIALLY     8      SHARED VOTING POWER
       OWNED BY
         EACH                    SEE ITEM 5 OF ATTACHED SCHEDULE
       REPORTING     -----------------------------------------------------------
      PERSON WITH     9      SOLE DISPOSITIVE POWER

                                      0
                     -----------------------------------------------------------
                     10      SHARED DISPOSITIVE POWER

                               SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
              CERTAIN SHARES*                                            / /
- --------------------------------------------------------------------------------
     13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     14       TYPE OF REPORTING PERSON*

                       CO
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                       -4-

<PAGE>



CUSIP No. 237596101                   13D         Page   5   of   23     Pages
- -------------------                               ----------------------------

- --------------------------------------------------------------------------------
     1  NAME OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                 PEARSON AG                   EIN:
- --------------------------------------------------------------------------------
     2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*            (A) / /
                                                                     (B) /X/
- --------------------------------------------------------------------------------
     3  SEC USE ONLY
- --------------------------------------------------------------------------------
     4  SOURCE OF FUNDS*

                 NOT APPLICABLE
- --------------------------------------------------------------------------------
     5  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
        TO ITEM 2(d) OR 2(e)                                             / /
- --------------------------------------------------------------------------------
     6  CITIZENSHIP OR PLACE OF ORGANIZATION

                 SWITZERLAND
- --------------------------------------------------------------------------------
                      7     SOLE VOTING POWER

       NUMBER OF                      0
        SHARES       -----------------------------------------------------------
     BENEFICIALLY     8      SHARED VOTING POWER
       OWNED BY
         EACH                    SEE ITEM 5 OF ATTACHED SCHEDULE
       REPORTING     -----------------------------------------------------------
      PERSON WITH     9      SOLE DISPOSITIVE POWER

                                      0
                     -----------------------------------------------------------
                     10      SHARED DISPOSITIVE POWER

                               SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
              CERTAIN SHARES*                                            / /
- --------------------------------------------------------------------------------
     13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     14       TYPE OF REPORTING PERSON*

                       CO
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                                       -5-

<PAGE>



CUSIP No. 237596101                   13D         Page   6   of   23     Pages
- -------------------                               ----------------------------

- --------------------------------------------------------------------------------
     1  NAME OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                 PEARSON INC.                EIN:51-0261654
- --------------------------------------------------------------------------------
     2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*            (A) / /
                                                                     (B) /X/
- --------------------------------------------------------------------------------
     3  SEC USE ONLY
- --------------------------------------------------------------------------------
     4  SOURCE OF FUNDS*

                 NOT APPLICABLE
- --------------------------------------------------------------------------------
     5  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
        TO ITEM 2(d) OR 2(e)                                             / /
- --------------------------------------------------------------------------------
     6  CITIZENSHIP OR PLACE OF ORGANIZATION

                 DELAWARE
- --------------------------------------------------------------------------------
                      7     SOLE VOTING POWER

       NUMBER OF                      0
        SHARES       -----------------------------------------------------------
     BENEFICIALLY     8      SHARED VOTING POWER
       OWNED BY
         EACH                    SEE ITEM 5 OF ATTACHED SCHEDULE
       REPORTING     -----------------------------------------------------------
      PERSON WITH     9      SOLE DISPOSITIVE POWER

                                      0
                     -----------------------------------------------------------
                     10      SHARED DISPOSITIVE POWER

                               SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
              CERTAIN SHARES*                                            / /
- --------------------------------------------------------------------------------
     13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     14       TYPE OF REPORTING PERSON*

                       CO
- --------------------------------------------------------------------------------

                   *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                       -6-

<PAGE>

CUSIP No. 237596101                   13D         Page   7   of   23     Pages
- -------------------                               ----------------------------

- --------------------------------------------------------------------------------
     1  NAME OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                 PEARSON HOLDINGS INC.            EIN:52-2119613
- --------------------------------------------------------------------------------
     2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*            (A) / /
                                                                     (B) /X/
- --------------------------------------------------------------------------------
     3  SEC USE ONLY
- --------------------------------------------------------------------------------
     4  SOURCE OF FUNDS*

                 NOT APPLICABLE
- --------------------------------------------------------------------------------
     5  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
        TO ITEM 2(d) OR 2(e)                                             / /
- --------------------------------------------------------------------------------
     6  CITIZENSHIP OR PLACE OF ORGANIZATION

                 DELAWARE
- --------------------------------------------------------------------------------
                      7     SOLE VOTING POWER

       NUMBER OF                      0
        SHARES       -----------------------------------------------------------
     BENEFICIALLY     8      SHARED VOTING POWER
       OWNED BY
         EACH                    SEE ITEM 5 OF ATTACHED SCHEDULE
       REPORTING     -----------------------------------------------------------
      PERSON WITH     9      SOLE DISPOSITIVE POWER

                                      0
                     -----------------------------------------------------------
                     10      SHARED DISPOSITIVE POWER

                               SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
              CERTAIN SHARES*                                            / /
- --------------------------------------------------------------------------------
     13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     14       TYPE OF REPORTING PERSON*

                       CO
- --------------------------------------------------------------------------------

                   *SEE INSTRUCTIONS BEFORE FILLING OUT!

                                       -7-

<PAGE>




CUSIP No. 237596101                   13D         Page   8   of   23     Pages
- -------------------                               ----------------------------

- --------------------------------------------------------------------------------
     1  NAME OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                 PEARSON LONGMAN, INC.            EIN:13-2971110
- --------------------------------------------------------------------------------
     2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*            (A) / /
                                                                     (B) /X/
- --------------------------------------------------------------------------------
     3  SEC USE ONLY
- --------------------------------------------------------------------------------
     4  SOURCE OF FUNDS*

                 NOT APPLICABLE
- --------------------------------------------------------------------------------
     5  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
        TO ITEM 2(d) OR 2(e)                                             / /
- --------------------------------------------------------------------------------
     6  CITIZENSHIP OR PLACE OF ORGANIZATION

                 DELAWARE
- --------------------------------------------------------------------------------
                      7     SOLE VOTING POWER

       NUMBER OF                      0
        SHARES       -----------------------------------------------------------
     BENEFICIALLY     8      SHARED VOTING POWER
       OWNED BY
         EACH                    SEE ITEM 5 OF ATTACHED SCHEDULE
       REPORTING     -----------------------------------------------------------
      PERSON WITH     9      SOLE DISPOSITIVE POWER

                                      0
                     -----------------------------------------------------------
                     10      SHARED DISPOSITIVE POWER

                               SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
              CERTAIN SHARES*                                            / /
- --------------------------------------------------------------------------------
     13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                       SEE ITEM 5 OF ATTACHED SCHEDULE
- --------------------------------------------------------------------------------
     14       TYPE OF REPORTING PERSON*

                       CO
- --------------------------------------------------------------------------------

                   *SEE INSTRUCTIONS BEFORE FILLING OUT!


                                       -8-

<PAGE>


CUSIP No. 237596101                   13D         Page   9   of   23     Pages
- -------------------                               ----------------------------

- --------------------------------------------------------------------------------
     1  NAME OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                 INTERACTIVE DATA CORPORATION           EIN:13-2784145
- --------------------------------------------------------------------------------
     2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*            (A) / /
                                                                     (B) /X/
- --------------------------------------------------------------------------------
     3  SEC USE ONLY
- --------------------------------------------------------------------------------
     4  SOURCE OF FUNDS*

                 NOT APPLICABLE
- --------------------------------------------------------------------------------
     5  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
        TO ITEM 2(d) OR 2(e)                                             / /
- --------------------------------------------------------------------------------
     6  CITIZENSHIP OR PLACE OF ORGANIZATION

                 DELAWARE
- --------------------------------------------------------------------------------
                      7     SOLE VOTING POWER

       NUMBER OF                      0
        SHARES       -----------------------------------------------------------
     BENEFICIALLY     8      SHARED VOTING POWER
       OWNED BY
         EACH                   2,714,704
       REPORTING     -----------------------------------------------------------
      PERSON WITH     9      SOLE DISPOSITIVE POWER

                                      0
                     -----------------------------------------------------------
                     10      SHARED DISPOSITIVE POWER

                                2,714,704
- --------------------------------------------------------------------------------
     11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                        2,714,704
- --------------------------------------------------------------------------------
     12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
              CERTAIN SHARES*                                            / /
- --------------------------------------------------------------------------------
     13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                       7.97%
- --------------------------------------------------------------------------------
     14       TYPE OF REPORTING PERSON*

                       CO
- --------------------------------------------------------------------------------

                   *SEE INSTRUCTIONS BEFORE FILLING OUT!


                                       -9-

<PAGE>

ITEM 1.           SECURITY AND ISSUER

                  This Statement on Schedule 13D (the "Statement") relates to
the common stock, par value $.01 per share (the "Common Stock"), of Data
Broadcasting Corporation, a Delaware corporation (the "Company"). The principal
executive office of the Company is 3490 Clubhouse Drive, I-2, Jackson, Wyoming
83001. Information given in response to each item shall be deemed incorporated
by reference in all other items.


ITEM 2.           IDENTITY AND BACKGROUND

                  (a) This Statement is being filed by each of the following
persons pursuant to Rule 13d-1(a) promulgated by the Securities and Exchange
Commission (the "Commission"): (i) Pearson plc, a corporation organized under
the laws of England & Wales ("Pearson"); (ii) Pearson Overseas Holdings Ltd.,
a corporation organized under the laws of England & Wales ("Pearson
Overseas"); (iii) Pearson Netherlands BV, a corporation organized under the
laws of the Netherlands ("Pearson Netherlands"); (iv) Pearson AG, a
corporation organized under the laws of Switzerland ("Pearson AG"); (v)
Pearson Inc., a corporation organized under the laws of Delaware ("Pearson
Inc."); (vi) Pearson Holdings Inc., a corporation organized under the laws of
Delaware ("Pearson Holdings"); (vii) Pearson Longman, Inc., a corporation
organized under the laws of Delaware ("Pearson Longman"); and (viii)
Interactive Data Corporation, a corporation organized under the laws of
Delaware ("Interactive" and, collectively with Pearson, Pearson Overseas,
Pearson Netherlands, Pearson AG, Pearson Inc., Pearson Holdings and Pearson
Longman, the "Reporting Persons").

                  Pearson is an international media company which is the
majority stockholder of Pearson Overseas. Pearson Overseas is an investment
holding company which owns 100% of Pearson Netherlands. Pearson Netherlands
is a holding company which owns 100% of Pearson AG. Pearson AG is a holding
company which is the majority stockholder of Pearson Inc. Pearson Inc. is a
holding company which owns 100% of Pearson Holdings. Pearson Holdings is a
holding company which owns 100% of Pearson Longman. Pearson Longman is a
holding company which, prior to the Merger (as defined below), owns 100% of
Interactive. Interactive is an asset valuation business.

                  (b) The addresses of the principal offices of each of the
Reporting Persons are as set forth on Schedule A. Schedule A is incorporated
into and made a part of this Statement.

                  (c) Attached as Schedule B is the name, principal occupation
(where applicable) and business address of each member, executive officer and/or
director of each of the Reporting Persons. Schedule B is incorporated into and
made a part of this Statement.

                  (d) During the last five years, none of the Reporting Persons
nor any person listed on Schedule B has been convicted in a criminal proceeding
(excluding traffic violations or similar misdemeanors).

                  (e) During the last five years, none of the Reporting Persons
nor any person listed on Schedule B has been a party to a civil proceeding of a
judicial or administrative body of competent jurisdiction and as a result of
such proceeding was or is subject to a judgment, decree or final order enjoining
future violations of, or prohibiting or mandating activities subject to, federal
or state securities laws or finding any violation with respect to such laws.


ITEM 3.           SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION


         In connection with the Merger Agreement (as described in the response
to Item 4), Interactive has entered



                                      -10-
<PAGE>

into Voting and Standstill Agreements, dated as of November 14, 1999 (the
"Voting and Standstill Agreements"), with each of Alan J. Hirschfield Living
Trust and AFT/FGT Family Partners and Tessler Family Limited Partnership,
stockholders of the Company (each a "Stockholder" and, collectively, the
"Stockholders"), with respect to an aggregate of 2,741,704 shares of Common
Stock and any additional shares of Common Stock acquired by the Stockholders of
record or beneficially after November 14, 1999 (the "Shares"). Each Stockholder
separately is the beneficial owner of a portion of the total number of Shares.
Neither Interactive nor any of the other persons listed in the response to Item
2 have expended any funds in connection with the Voting and Standstill
Agreements, which were entered into as partial consideration for the Merger
Agreement.


ITEM 4.           PURPOSES OF TRANSACTIONS

                  On November 14, 1999, the Company, Pearson Longman,
Detective Merger-Sub, Inc., a wholly-owned subsidiary of the Company
("Merger-Sub"), and Interactive entered into the Merger Agreement, a copy of
which has been filed as an exhibit hereto. The Merger Agreement provides,
among other things, for the merger of Merger-Sub with and into Interactive
(the "Merger"), with Interactive to be the surviving corporation and a
wholly-owned subsidiary of the Company following the Merger. Under the terms
of the Merger Agreement, which is subject to the conditions discussed below,
upon the Merger, each issued and outstanding share of capital stock of
Merger-Sub shall be converted into and become one fully paid and
nonassessable share of common stock of Interactive. Further, upon the Merger,
the issued and outstanding shares of capital stock of Interactive shall be
converted into the right to receive 56,453,800 shares of Common Stock (as
adjusted pursuant to the Merger Agreement). The Merger will become effective
at such time as the certificate of merger is duly filed with the Secretary of
State of the State of Delaware or at such later time as is specified in the
certificate of merger (the "Effective Time"). The Merger is subject to the
approval of the Company's shareholders, regulatory approvals and other
conditions to closing as listed in the Merger Agreement.

         In connection with the execution of the Merger Agreement, Interactive
entered into a Voting and Standstill Agreement with each Stockholder. Under its
Voting and Standstill Agreement, each Stockholder has agreed that, until the
first to occur of (a) the Effective Time or (b) the date of an uncontested
termination of the Merger Agreement (the "Termination Date"), at any meeting of
the stockholders of the Company, however called, or in connection with any
action by written consent of the stockholders of the Company, such Stockholder
shall vote (or cause to be voted) or act by written consent with respect to its
Shares (i) in favor of the Merger, the amended charter of the Company (the
"Amended Charter"), the election of the slate of directors as described in the
Merger Agreement, the execution and delivery by the Company of the Merger
Agreement and the agreements ancillary thereto and the approval of the terms
thereof and each of the other actions contemplated by the Merger Agreement and
its Voting and Standstill Agreement and any actions required in furtherance
thereof; (ii) against any action or agreement that would result in a breach of
any covenant, representation or warranty or any other obligation or agreement of
the Company under the Merger Agreement or the agreements ancillary thereto; and
(iii) against the following actions (other than the Merger and the transactions
contemplated by the Merger Agreement or any such actions identified in writing
by Interactive in advance): (A) any extraordinary corporate transaction,
including, without limitation, a merger, consolidation or other business
combination involving the Company or any of its Subsidiaries (as defined in the
Merger Agreement); (B) a sale, lease or transfer of a material amount of assets
of the Company or any of its Subsidiaries or a reorganization, recapitalization,
dissolution or liquidation of the Company or any of its Subsidiaries; (C) any
change in the majority of the board of directors of the Company; (D) any change
in the present capitalization of the Company or any amendment of the Company's
certificate of incorporation or by-laws (other than as contemplated by the
Amended Charter); (E) any other change in the Company's corporate structure or
business; or (F) any other action which is intended, or could reasonably be


                                      -11-
<PAGE>





expected, to impede, interfere with, delay, postpone, discourage or materially
adversely affect the Merger or the transactions contemplated by the Merger
Agreement or the agreements ancillary thereto. Each Stockholder further agrees
not to enter into any contract or understanding with any person to vote or give
instructions in any manner inconsistent with the terms of its Voting and
Standstill Agreement.

         Under its Voting and Standstill Agreement, each Stockholder grants to
Interactive and any designee of Interactive an irrevocable proxy (until the
Termination Date) to vote the Stockholder's Shares as described above. Each
Stockholder further agrees to revoke any proxy previously granted by such
Stockholder with respect to its Shares.

         Prior to the Termination Date, each Stockholder has agreed to not (a)
in its capacity as such, directly or indirectly (including through advisors,
agents or other intermediaries), (i) solicit, initiate or encourage (including
by way or furnishing information) or respond to (or take any other action
designed to facilitate) any inquiries or the making of any proposal by any
person (other than Interactive or any affiliate thereof) with respect to the
Company that constitutes or could reasonably be expected to lead to any bona
fide inquiry, proposal or offer from any person relating to any direct or
indirect acquisition or purchase of a business that constitutes 20% or more of
the net revenues, net income or the assets of the Company and its Subsidiaries,
taken as a whole, or 20% or more of any class of equity securities of the
Company or any of its Subsidiaries, any tender offer or exchange offer that if
consummated would result in any person beneficially owning 20% or more of any
class of equity securities of the Company or any of its Subsidiaries, or any
merger, consolidation, business combination, recapitalization, liquidation,
dissolution or similar transaction involving the Company or any of its
Subsidiaries, other than the transactions contemplated by the Merger Agreement
(a "Company Takeover Proposal") or (ii) engage in any discussions or
negotiations with regard to any Company Takeover Proposal; or (b)(i) except
pursuant to the terms of the Merger Agreement or its Voting and Standstill
Agreement, offer for sale, sell, transfer, tender, pledge, encumber, assign or
otherwise dispose of, enforce or permit the execution of the provisions of any
redemption agreement with the Company or enter into any contract, option or
other arrangement or understanding with respect to, or consent to the offer for
sale, transfer, tender, pledge, encumbrance, assignment or other disposition of,
or exercise any discretionary powers to distribute, any or all of its Shares or
any interest therein, including any trust income or principal, except in each
case to a Permitted Transferee (as defined in the Voting and Standstill
Agreement) who is or agrees to become bound by the Stockholder's Voting and
Standstill Agreement; (ii) except as contemplated by its Voting and Standstill
Agreement, grant any proxies or powers of attorney with respect to any of its
Shares, deposit any of its Shares into a voting trust or enter into a voting
agreement with respect to any of its Shares; or (iii) take any action that would
make any representation or warranty of such Stockholder contained in its Voting
and Standstill Agreement untrue or incorrect or have the effect of preventing or
disabling such Stockholder from performing its obligations under its Voting and
Standstill Agreement.

         Unless the Shares held by any trust which is presently subject to the
terms of either Voting and Standstill Agreement are transferred to one or more
Permitted Transferees who upon receipt of such Shares become signatories to such
Voting and Standstill Agreement, such Stockholder acting as a trustee shall not
take any action to terminate, close or liquidate any such trust and shall take
all steps necessary to maintain the existence thereof at least until the
Termination Date.


ITEM 5.           INTEREST IN SECURITIES OF THE ISSUER

         (a) Pursuant to the Voting and Standstill Agreements, Interactive,
for purposes of Rule 13d-3 promulgated under the Exchange Act, may be deemed
to beneficially own 2,741,704 shares of Common Stock, representing
approximately 7.97% of the issued and outstanding shares of Common Stock.
Pearson, Pearson Overseas, Pearson Netherlands, Pearson AG, Pearson Inc.,
Pearson Holdings and Pearson Longman, which are

                                      -12-
<PAGE>



affiliates of Interactive, may be deemed to beneficially own the Shares
indirectly as a result of their control relationship with Interactive. Any such
beneficial ownership would represent the same shared voting and dispositive
power exercised by Interactive over the Shares. Each of the Reporting Persons,
other than Interactive, disclaims beneficial ownership of the Shares.

         (b) The responses of the Reporting Persons to Items (7) through (11) of
the portions of pages 2 through 9 hereto which relate to shares of Common Stock
beneficially owned are incorporated herein by reference.

         (c) Except as described in the response to Item 4, there have been no
transactions in the shares of Common Stock during the past sixty days by any
Reporting Person or any other person listed on Schedule B.

         (d) Except for the Stockholders, no person is known to have the right
to receive or the power to direct the receipt of dividends from, or the proceeds
from the sale of, the shares of Common Stock beneficially owned by Interactive.

         (e)      Not applicable

         Except as described in this response to Item 5, none of the persons
listed on Schedule B beneficially own any shares of Common Stock.


ITEM 6.           CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH
                  RESPECT TO SECURITIES OF THE ISSUER

         As a condition to the Merger, the Company and Pearson Longman will
enter into a Registration Rights Agreement (the "Registration Rights
Agreement").

         As a condition to the execution of the Merger Agreement by Interactive
and Pearson Longman, the Company and Interactive have entered into an Option
Agreement, dated as of November 14, 1999 (the "Option Agreement"). A summary of
certain provisions contained in the Option Agreement is set forth below:

                  a) GRANT OF OPTION. Subject to the terms and conditions set
         forth in the Option Agreement, the Company grants to Interactive an
         irrevocable option (the "Option") to purchase up to 6,889,293.63
         shares, as adjusted therein (the "Option Shares"), of Common Stock at a
         purchase price of $7.65 per Option Share, as adjusted therein.

                  b) EXERCISE OF OPTION. Interactive may, at any time or times,
         exercise the Option, in whole or in part, after the occurrence of
         any event as a result of which Interactive is entitled to receive
         the Termination Fee (as defined in the Merger Agreement) pursuant to
         Section 5.08 of the Merger Agreement (a "Purchase Event"); PROVIDED,
         HOWEVER, that (i) the Option will terminate and be of no further
         force and effect upon the earliest to occur of (A) the Effective
         Time, (B) twelve (12) months after the first occurrence of a
         Purchase Event, and (C) termination of the Merger Agreement in
         accordance with its terms prior to the occurrence of a Purchase
         Event, unless, in the case of clause (C), Interactive has the right
         to receive a Termination Fee following such termination upon the
         occurrence of certain events, in which case the Option will not
         terminate until the later of (x) twelve (12) months following the
         time such Termination Fee becomes payable and (y) the expiration of
         the period in which Interactive has such right to receive a
         Termination Fee, and (ii) any purchase of Option Shares upon
         exercise of the Option will be subject to compliance with all
         applicable laws and regulations which may prohibit the purchase of
         the Option Shares specified in

                                      -13-
<PAGE>



         the Exercise Notice (as defined therein) without first obtaining or
         making necessary approvals.

                  c) REGISTRATION RIGHTS. The Company will, if requested by
         Interactive at any time within two (2) years of the exercise of the
         Option, as expeditiously as possible prepare and file up to three
         (3) registration statements under the Securities Act of 1933 if such
         registration is necessary in order to permit the sale or other
         disposition of any or all shares of securities that have been
         acquired by or are issuable to Interactive upon exercise of the
         Option in accordance with the intended method of sale or other
         disposition stated by Interactive. The Company will use its
         reasonable efforts to qualify such shares or other securities under
         any applicable state securities laws, provided that the Company
         shall not be required to effect such registration if less than 10%
         of the Option Shares subject to the Option will be offered for sale
         pursuant thereto.

                  If, within two (2) years of the exercise of the Option, the
         Company effects a registration under the Securities Act of 1933 of the
         Company's Common Stock for its own account or for any other
         stockholders of the Company (other than on Form S-4 or Form S-8, or
         any successor form), it will allow Interactive the right to
         participate in such registration, and such participation will not
         affect the obligation of the Company to effect demand registration
         statements, as described above, for Interactive; PROVIDED THAT, if
         the managing underwriters of such offering advise the Company in
         writing that in their opinion the number of the Company's Common
         Stock requested to be included in such registration exceeds the
         number which can be sold in such offering, the Company will include
         the shares requested to be included therein by Interactive pro rata
         with the shares intended to be included therein by the Company or
         any other stockholders who may have priority as to the Company.

                  d) QUOTATION. If the Company's Common Stock or any other
         securities to be acquired upon exercise of the Option are then approved
         for quotation on The Nasdaq National Market (or any other national
         securities exchange or national securities quotation system), the
         Company, upon the request of Interactive, will promptly file an
         application to have approved for quotation the shares of the Company's
         Common Stock or other securities to be acquired upon exercise of the
         Option on The Nasdaq National Market (and any such other national
         securities quotation system) and will use reasonable efforts to obtain
         approval of such quotation as promptly as practicable.

                  See the response to Item 4 regarding the Merger Agreement and
         Voting and Standstill Agreements.

         Except for the agreements described in the response to Item 4 and this
Item 6, none of the Reporting Persons, nor, to the best of their knowledge, any
persons listed on Schedule B hereto has any contracts, arrangements,
understandings or relationships (legal or otherwise) with any person, with
respect to any securities of the Company.

         A copy of each of the Merger Agreement, the Voting and Standstill
Agreements and the Option Agreement have been filed as exhibits hereto and are
incorporated herein by reference.


ITEM 7.          MATERIALS TO BE FILED AS EXHIBITS

         The following materials are filed as Exhibits to this Statement:


                                      -14-
<PAGE>



         Exhibit A: Agreement and Plan of Merger, dated as of November 14, 1999,
among Data Broadcasting Corporation, Detective Merger-Sub, Inc., Pearson
Longman, Inc. and Interactive Data Corporation.

         Exhibit B: Option Agreement, dated as of November 14, 1999, by and
between Data Broadcasting Corporation and Interactive Data Corporation.

         Exhibit C: Voting and Standstill Agreement, dated as of November 14,
1999, by and between Interactive Data Corporation and Alan J. Hirschfield Living
Trust.

         Exhibit D: Voting and Standstill Agreement, dated as of November 14,
1999, by and between Interactive Data Corporation and AFT/FGT Family Partners
Ltd and Tessler Family Limited Partnership.




                                      -15-
<PAGE>



                                    SIGNATURE


                  After reasonable inquiry and to the best of the knowledge and
belief of each of the undersigned, each of the undersigned certifies that the
information set forth in this statement is true, complete and correct.

Dated:  November 24, 1999

                            Pearson plc


                            By:  /s/ Julia Casson
                                --------------------------------
                                 Name:  Julia Casson
                                 Title: Company Secretary


                            Pearson Overseas Holdings Ltd.


                            By:  /s/ Josephine Gomm
                                --------------------------------
                                 Name:  Josephine Gomm
                                 Title: Company Secretary


                            Pearson Netherlands BV


                            By:  /s/ D.H. Colville
                                --------------------------------
                                 Name:  D.H. Colville
                                 Title: Director


                            Pearson AG


                            By:  /s/ Martin Frey
                                --------------------------------
                                 Name:  Martin Frey
                                 Title: Director


                            By:  /s/ Peter Gill
                                --------------------------------
                                 Name:  Peter Gill
                                 Title: Chairman


                            Pearson Inc.


                            By:  /s/ Philip Hoffman
                                --------------------------------
                                 Name:  Philip Hoffman
                                 Title: President





                                      -16-
<PAGE>



                            Pearson Holdings Inc.


                            By:  /s/ Philip Hoffman
                                --------------------------------
                                 Name:  Philip Hoffman
                                 Title: President


                            Pearson Longman, Inc.


                            By:  /s/ William Lincoln
                                --------------------------------
                                 Name:  William Lincoln
                                 Title: President


                            Interactive Data Corporation


                            By:  /s/ Stuart J. Clark
                                --------------------------------
                                 Name:  Stuart J. Clark
                                 Title: President








                                      -17-
<PAGE>



                                                                      SCHEDULE A
                                                                      ----------
<TABLE>
<CAPTION>
Name of Reporting Person     Address of the Principal Office
- ------------------------     -------------------------------

<S>                          <C>
Pearson                      3 Burlington Gardens, London W1X 1LE, England

Pearson Overseas             3 Burlington Gardens, London W1X 1LE, England

Pearson Netherlands          Media Centre, 4th Floor, Room 405, Sumatralaan 45, 1217 GP
                             Hilversum, The Netherlands

Pearson AG                   Chollerstrasse 37, CH-6301 Zug, Switzerland

Pearson Inc.                 1330 Avenue of the Americas, 7th Floor, New York, New York
                             10019

Pearson Holdings             1330 Avenue of the Americas, 7th Floor, New York, New York
                             10019

Pearson Longman              c/o Headland Digital Media, Inc., 444 Spear Street, San Francisco,
                             California  94105

Interactive                  22 Crosby Drive, Bedford, Massachusetts  01730

</TABLE>

                                      -18-
<PAGE>



                                                                     SCHEDULE B
                                                                     ----------

                                   PEARSON PLC

<TABLE>
<CAPTION>

Name                         Position                         Principal Occupation/Business Address
- -----------------------      -------------------------------  --------------------------------------------------------------------
<S>                       <C>                              <C>
Lord Stevenson               Chairman                         Director/Cloaca Maxima, 2nd Floor, 68 Pall Mall, London   SW1Y SES

Marjorie M. Scardino         Chief Executive                  Director/Pearson plc, 3 Burlington Gardens, London W1X 1LE

David C. M. Bell             Executive Director               Director/Pearson plc, 3 Burlington Gardens, London W1X 1LE

John C. Makinson             Finance Director                 Finance Director/Pearson plc, 3 Burlington Gardens, London W1X 1LE

Lord Burns                   Non-Executive Director           Member of House of Lords/13 North Avenue, London W13 8AP

Michel David-Weill           Non- Executive Director          Banker/Lazard Freres & Co LLC, 30 Rockefeller Plaza, New York, NY
                                                              10020

Gill M. Lewis                Non-Executive Director           Managing Partner/Heidrick & Struggles, 100 Picaddilly, London  W1V
                                                              9FN

Reuben Mark                  Non-Executive Director           Chairman and Chief Executive Officer/Colgate-Palmolive Co, 300 Park
                                                              Avenue, New York, NY  10022-7499

Vernon L. Sankey             Non- Executive Director          Director/67 Alma Road, Windsor, Berkshire SL4 3HD

David J. Verey               Non-Executive Director           Merchant Banker/Lazard Brothers & Co Ltd., 21 Moorfields, London
                                                              EC2P 2HT

Julia M. Casson              Secretary                        Secretary/Pearson plc, 3 Burlington Gardens, London  W1X 1LE

</TABLE>


                         PEARSON OVERSEAS HOLDINGS LTD.


<TABLE>
<CAPTION>

Name                         Position                         Principal Occupation/Business Address
- -----------------------      -------------------------------  --------------------------------------------------------------------
<S>                       <C>                              <C>
David H. Colville            Director                         Chartered Accountant/Pearson plc, 3 Burlington Gardens,  London  W1X
                                                              1LE

John C. Makinson             Director                         Finance Director/Pearson plc, 3 Burlington Gardens,  London  W1X 1LE

Peter R. Gill                Director                         Director, Financial Operations/Pearson plc, 3 Burlington Gardens,
                                                              London  W1X 1LE

J.E. Gomm                    Secretary                        Secretary/Pearson plc, 3 Burlington Gardens,  London  W1X 1LE

Marjorie M. Scardino         Director                         Director/Pearson plc, 3 Burlington Gardens,  London  W1X 1LE

Alan C. Miller               Director                         Accountant/Pearson plc, 3 Burlington Gardens,  London  W1X 1LE


</TABLE>

                                      -19-
<PAGE>




                               PEARSON NETHERLANDS


<TABLE>
<CAPTION>

Name                         Position                         Principal Occupation/Business Address
- -----------------------      -------------------------------  --------------------------------------------------------------------
<S>                       <C>                              <C>

George F. Nicolai                      Director               Director/MeesPierson Trust, Aert van Nesstraat 45, P.O. Box 548, 3000
                                                              AM Rotterdam

Jan Francis van der Drift              Director               Businessman/Leeteinde 20-22, 1151 AK Broek in Waterland, Holland

Matthieu van Sint Truiden              Director               Attorney/Nauta Dutilh, Postbus 7113, 1007 JC  Amsterdam

David H. Colville                      Director               Group Tax Director/Pearson plc, 3 Burlington Gardens, London  W1X
                                                              1LE

</TABLE>


                                   PEARSON AG

<TABLE>
<CAPTION>

Name                         Position                         Principal Occupation/Business Address
- -----------------------      -------------------------------  --------------------------------------------------------------------
<S>                       <C>                              <C>

Peter R. Gill                Chairman                         Director, Financial Operations/Pearson plc, 3 Burlington Gardens,
                                                              London W1X 1KE

Josef Grand                  Vice - Chairman                  Certified Public Accountant/Bundtacherstrasse 35, 8127 Forch,
                                                              Switzerland

Martin Frey                  Member                           Attorney/Baker & McKenzie, Zollikerstrasse 225, Postfach 57, 8034
                                                              Zurich

Philip J. Hoffman            Member                           President/Pearson Inc., 1330 Avenue of the Americas, 7th Floor, NY
                                                              10019

</TABLE>


                                      -20-
<PAGE>



                                  PEARSON INC.

<TABLE>
<CAPTION>

Name                         Position                               Principal Occupation/Business Address
- -----------------------      -------------------------------        --------------------------------------------------------------
<S>                       <C>                              <C>

Philip J. Hoffman            Director, President                    President/Pearson Inc., 1330 Avenue of the Americas, 7th Floor,
                                                                    New York, NY  10019

Randall Keller               Director, Executive Vice President     Head of Human Resource Dept./Pearson Inc., 1330 Avenue of the
                             - Human Resources                      Americas, 7th Floor, New York, NY  10019

John C. Makinson             Director                               Finance Director/Pearson plc, 3 Burlington Gardens, London
                                                                    W1X 1LE

Thomas Wharton               Director, Vice President of            Vice President of Taxation/Pearson Inc., 1330 Avenue of the
                             Taxation, Secretary                    Americas, 7th Floor, New York, NY  10019

Mike Fortini                 Vice President                         Vice President of Finance/Pearson Inc., 1330 Avenue of the
                                                                    Americas, 7th Floor, New York, NY  10019

Shaheda Sayed                Assistant Secretary                    Director of Taxation/Pearson Inc., 1330 Avenue of the Americas,
                                                                    7th Floor, New York, NY  10019

Ken Lockhart                 Vice President of Real Estate          Vice President of Real Estate/Pearson Inc., 1330 Avenue of the
                                                                    Americas, 7th Floor, New York, NY  10019

Dick Koplitz                 Vice President of Global               Vice President of Global Purchasing/Pearson Inc., 1330 Avenue
                             Purchasing                             of the Americas, 7th Floor, New York, NY  10019

Susan Costomiris             Controller                             Controller/Pearson Inc., 1330 Avenue of the Americas, 7th Floor,
                                                                    New York, NY  10019

</TABLE>


                              PEARSON HOLDINGS INC.


<TABLE>
<CAPTION>

Name                         Position                         Principal Occupation/Business Address
- -----------------------      -------------------------------  --------------------------------------------------------------------
<S>                       <C>                              <C>
Philip J. Hoffman            Director, President              President/Pearson Inc., 1330 Avenue of the Americas, 7th Floor,
                                                              New York, NY  10019

Randall Keller               Director, Vice President -       Head of Human Resource Dept./Pearson Inc., 1330 Avenue of the
                             Human Resources                  Americas, 7th Floor, New York, NY  10019

John C. Makinson             Director, Treasurer              Finance Director/Pearson plc, 3 Burlington Gardens, London W1X 1LE

Thomas Wharton               Director, Vice President -       Vice President of Taxation/Pearson Inc., 1330 Avenue of the Americas,
                             Finance, Secretary               7th Floor, New York, NY  10019

Arieh Flemenbaum             Assistant Secretary              Attorney/Cowan & Minetz, 180 N LaSalle St., Suite 1922, Chicago,
                                                              IL 60601


</TABLE>

                                      -21-
<PAGE>



                              PEARSON LONGMAN, INC.


<TABLE>
<CAPTION>

Name                         Position                         Principal Occupation/Business Address
- -----------------------      -------------------------------  --------------------------------------------------------------------
<S>                       <C>                              <C>

William Lincoln              President                        Vice President of Operations at Pearson Television North America/2700
                                                              Colorado Ave., Suite 450, Santa Monica, CA  90404

Mark Nieker                  Treasurer                        President of Headland Digital Media, Inc./444 Spear Street,  San
                                                              Francisco, CA  94105

Debra Garber                 Secretary                        Controller of Headland Digital Media, Inc./444 Spear Street,  San
                                                              Francisco, CA  94105

William Cowan                Assistant Secretary              Attorney/Cowan & Minetz, 180 N. LaSalle St., Suite 1922, Chicago, IL
                                                              60601
</TABLE>


                          INTERACTIVE DATA CORPORATION


<TABLE>
<CAPTION>

Name                         Position                         Principal Occupation/Business Address
- -----------------------      -------------------------------  --------------------------------------------------------------------
<S>                       <C>                              <C>
Philip J. Hoffman            Director                         President of Pearson Inc./1330 Avenue of the Americas, 7th Floor, New
                                                              York, NY  10011

Stuart J. Clark              Director, President, Asst.       President of Interactive Data Corporation-AssetManagement, 22 Crosby
                             Secretary                        Drive, Bedford, MA  01730

William W. Grieve            Director, Vice President,        Senior Vice President- Finance and Administration/ 22 Crosby Drive,
                             Treasurer, Asst. Secretary       Bedford, MA  01730

Joan Carlton                 Vice President                   Vice President-Data Systems/22 Crosby Drive, Bedford, MA  01730

Howard Barnstone             Vice President                   Vice President- US Business Operations/22 Crosby Drive, Bedford, MA
                                                              01730

Paul Conley                  Vice President                   Vice President-Data Center/22 Crosby Drive, Bedford, MA  01730

Raymond L. D'Arcy            Vice President                   Senior Vice President-Sales, Marketing and Customer Service/22 Crosby
                                                              Drive, Bedford, MA  01730

Richard W. Lindeman          Vice President                   Vice President-Marketing/22 Crosby Drive, Bedford, MA  01730

John L. King                 Vice President                   Chief Operating Officer/22 Crosby Drive, Bedford, MA  01730

Andrea H. Loew               Vice President, Secretary        Vice President and Group General Counsel/22 Crosby Drive, Bedford,
                                                              MA 01730

Norbert V. Schwartz          Vice President                   Vice President-Customer Service/22 Crosby Drive, Bedford, MA  01730

</TABLE>


                                      -22-
<PAGE>


                                  EXHIBIT INDEX

         The following materials are filed as Exhibits to this Statement:

         Exhibit A: Agreement and Plan of Merger, dated as of November 14,
1999, among Data Broadcasting Corporation, Detective Merger-Sub, Inc.,
Pearson Longman, Inc. and Interactive Data Corporation.

         Exhibit B: Option Agreement, dated as of November 14, 1999, by and
between Data Broadcasting Corporation and Interactive Data Corporation.

         Exhibit C: Voting and Standstill Agreement, dated as of November 14,
1999, by and between Interactive Data Corporation and Alan J. Hirschfield Living
Trust.

         Exhibit D: Voting and Standstill Agreement, dated as of November 14,
1999, by and between Interactive Data Corporation and AFT/FGT Family Partners
Ltd and Tessler Family Limited Partnership.



                                      -23-


<PAGE>

                                                                  Exhibit A

                                                                  EXECUTION COPY




                          AGREEMENT AND PLAN OF MERGER

                          dated as of November 14, 1999

                                      among

                          INTERACTIVE DATA CORPORATION

                              PEARSON LONGMAN, INC.

                          DATA BROADCASTING CORPORATION

                                       and

                           DETECTIVE MERGER-SUB, INC.



<PAGE>

<TABLE>
<CAPTION>

                                TABLE OF CONTENTS
                                -----------------
                                                                                           Page
                                                                                           ----

<S>                                                                                          <C>
ARTICLE I

DEFINITIONS...................................................................................1
         SECTION 1.01.     Certain Defined Terms..............................................1
         SECTION 1.02.     Other Defined Terms................................................8
         SECTION 1.03.     Terms Generally....................................................9


ARTICLE II

THE MERGER....................................................................................9
         SECTION 2.01.     The Merger.........................................................9
         SECTION 2.02.     Closing............................................................9
         SECTION 2.03.     Effective Time....................................................10
         SECTION 2.04.     Effects of the Merger.............................................10
         SECTION 2.05.     Certificate of Incorporation; By-laws.............................10
         SECTION 2.06.     Directors and Officers............................................10
         SECTION 2.07.     Conversion of Securities..........................................10
         SECTION 2.08.     Closing Deliveries by Lynx........................................10
         SECTION 2.09.     Closing Deliveries by Detective and Acquisition Sub...............12
         SECTION 2.10.     Adjustments.......................................................13


ARTICLE III

REPRESENTATIONS AND WARRANTIES OF LYNX AND LYNX PARENT.......................................13
         SECTION 3.01.     Authority of Lynx.................................................13
         SECTION 3.02.     Incorporation and Capital Stock of the Lynx Companies.............13
         SECTION 3.03.     No Conflict.......................................................14
         SECTION 3.04.     Consents and Approvals............................................14
         SECTION 3.05.     Financial Information.............................................15
         SECTION 3.06.     Absence of Certain Changes or Events..............................15
         SECTION 3.07.     Absence of Litigation.............................................17
         SECTION 3.08.     Compliance with Laws..............................................17
         SECTION 3.09.     Governmental Licenses and Permits.................................17
         SECTION 3.10.     Tangible Personal Property........................................17
         SECTION 3.11.     Real Property.....................................................18
         SECTION 3.12.     Intellectual Property.............................................18
         SECTION 3.13.     Employee Benefits Matters.........................................19
         SECTION 3.14.     Taxes.............................................................20

</TABLE>


<PAGE>

<TABLE>
<CAPTION>

                                                                                           Page
                                                                                           ----
<S>                                                                                          <C>
         SECTION 3.15.     Environmental Matters.............................................21
         SECTION 3.16.     Material Contracts................................................21
         SECTION 3.17.     Brokers...........................................................22
         SECTION 3.18.     Questionable Payments.............................................22
         SECTION 3.19.     Nondistributive Intent............................................23
         SECTION 3.20.     Exclusivity of Representations....................................23


ARTICLE IV

REPRESENTATIONS AND WARRANTIES OF
DETECTIVE AND ACQUISITION SUB................................................................24
         SECTION 4.01.     Incorporation and Authority of Detective and Acquisition Sub......24
         SECTION 4.02.     Capital Stock of Detective; Detective's Subsidiaries..............24
         SECTION 4.03.     No Conflict.......................................................26
         SECTION 4.04.     Consents and Approvals............................................26
         SECTION 4.05.     SEC Documents; Financial Information..............................26
         SECTION 4.06.     Absence of Certain Changes or Events..............................27
         SECTION 4.07.     Absence of Litigation.............................................29
         SECTION 4.08.     Compliance with Laws..............................................29
         SECTION 4.09.     Governmental Licenses and Permits.................................29
         SECTION 4.10.     Tangible Personal Property........................................29
         SECTION 4.11.     Real Property.....................................................30
         SECTION 4.12.     Intellectual Property.............................................30
         SECTION 4.13.     Employee Benefits Matters.........................................31
         SECTION 4.14.     Taxes.............................................................32
         SECTION 4.15.     Environmental Matters.............................................33
         SECTION 4.16.     Material Contracts................................................33
         SECTION 4.17.     Brokers...........................................................34
         SECTION 4.18.     Insurance.........................................................34
         SECTION 4.19.     Registration Rights...............................................35
         SECTION 4.20.     NASD Matters......................................................35
         SECTION 4.21.     State Anti-Takeover Statutes; Anti-Takeover Defenses..............35
         SECTION 4.22.     Vote Required.....................................................35
         SECTION 4.23.     Opinion of Financial Advisers.....................................35
         SECTION 4.24.     Questionable Payments.............................................35
         SECTION 4.25.     Representations Relating to Marksman..............................36
         SECTION 4.26.     Exclusivity of Representations....................................36

</TABLE>


                                       ii
<PAGE>

<TABLE>
<CAPTION>

                                                                                           Page
                                                                                           ----
<S>                                                                                          <C>
ARTICLE V

ADDITIONAL AGREEMENTS........................................................................36
         SECTION 5.01.     Access to Information.............................................36
         SECTION 5.02.     Confidentiality...................................................37
         SECTION 5.03.     Regulatory and Other Authorizations; Consents.....................37
         SECTION 5.04.     Further Action....................................................38
         SECTION 5.05.     Ancillary Agreements..............................................38
         SECTION 5.06.     Stockholders'Meeting..............................................38
         SECTION 5.07.     NASDAQ National Market............................................39
         SECTION 5.08.     Fees and Expenses.................................................39
         SECTION 5.09.     Public Announcements..............................................40
         SECTION 5.10.     Tax Treatment.....................................................40
         SECTION 5.11.     Reorganization; Intercompany Transactions.........................40
         SECTION 5.12.     Advice of Changes.................................................41
         SECTION 5.13.     Board of Directors................................................41
         SECTION 5.14.     Indemnification, Exculpation and Insurance........................41
         SECTION 5.15.     Repayment of Indebtedness.........................................42
         SECTION 5.16.     Letter Agreements.................................................42


ARTICLE VI

CONDUCT OF BUSINESS PENDING CLOSING..........................................................42
         SECTION 6.01.     Conduct of Business of Detective and its Subsidiaries
                               Prior to the Closing..........................................42
         SECTION 6.02.     Conduct of Business of the Lynx Companies Prior to the Closing....45
         SECTION 6.03.     No Solicitation by Detective......................................48


ARTICLE VII

CONDITIONS TO CLOSING........................................................................50
         SECTION 7.01.     Conditions to Each Party's Obligations............................50
         SECTION 7.02.     Conditions to Obligations of Lynx.................................51
         SECTION 7.03.     Conditions to Obligations of Detective and Acquisition Sub........52
         SECTION 7.04.     Frustration of Closing Conditions.................................52

</TABLE>


                                      iii
<PAGE>

<TABLE>
<CAPTION>

                                                                                           Page
                                                                                           ----
<S>                                                                                          <C>
ARTICLE VIII

TERMINATION, AMENDMENT AND WAIVER............................................................52
         SECTION 8.01.     Termination.......................................................52
         SECTION 8.02.     Effect of Termination.............................................53
         SECTION 8.03.     Amendment.........................................................53
         SECTION 8.04.     Extension; Waiver.................................................53


ARTICLE IXGENERAL PROVISIONS.................................................................54
         SECTION 9.01.     Nonsurvival of Representations and Warranties.....................54
         SECTION 9.02.     Notices...........................................................54
         SECTION 9.03.     Headings..........................................................55
         SECTION 9.04.     Severability......................................................55
         SECTION 9.05.     Entire Agreement..................................................55
         SECTION 9.06.     Assignment........................................................55
         SECTION 9.07.     No Third-Party Beneficiaries......................................55
         SECTION 9.08.     Sections and Schedules............................................56
         SECTION 9.09.     Governing Law.....................................................56
         SECTION 9.10.     Counterparts......................................................56
         SECTION 9.11.     No Presumption....................................................56


         SCHEDULES

         Schedule I        Lynx Companies
         Schedule II       Detective Disclosure Schedule
         Schedule III      Lynx Disclosure Schedule
         Schedule IV       Parties to Voting and Standstill Agreements


         EXHIBITS

         Exhibit A         Form of Lynx Option Agreement
         Exhibit B         Form of Registration Rights Agreement
         Exhibit C         Form of Tax Cooperation Agreement
         Exhibit D         Form of Voting and Standstill Agreement
         Exhibit E         Form of Letter Agreements

</TABLE>


                                       iv
<PAGE>


                  AGREEMENT AND PLAN OF MERGER, dated as of November 14, 1999,
among Data Broadcasting Corporation, a Delaware corporation ("DETECTIVE"),
Pearson Longman, Inc. a Delaware corporation and the sole shareholder of Lynx
("LYNX PARENT"), Detective Merger-Sub, Inc., a Delaware corporation and a
wholly-owned subsidiary of Detective ("ACQUISITION SUB"), and Interactive Data
Corporation, a Delaware corporation ("LYNX").


                              W I T N E S S E T H :
                              - - - - - - - - - -

                  WHEREAS, the respective Boards of Directors of Detective,
Acquisition Sub and Lynx have approved and declared advisable this Agreement
and the merger of Acquisition Sub with and into Lynx (the "MERGER"), upon the
terms and subject to the conditions of this Agreement, whereby (a) Lynx will
survive the Merger as a wholly-owned subsidiary of Detective and (b) Lynx
Parent will receive 56,453,800 newly issued shares of Detective Common Stock
(the "DETECTIVE SHARES"); and

                  WHEREAS, the parties hereto intend that the Merger be treated
as a reorganization within the meaning of Section 368(a) of the Code; and

                  WHEREAS, Lynx owns, or prior to, or contemporaneously with,
the Effective Time shall own, either directly or indirectly, 100% of the
issued and outstanding shares of stock (the "LYNX COMPANY SHARES") of each of
the companies set forth in SCHEDULE I hereto (such companies, together with
Lynx, the "LYNX COMPANIES").

                  NOW, THEREFORE, the parties hereto hereby agree as follows:


                                    ARTICLE I

                                   DEFINITIONS

                  SECTION 1.01. CERTAIN DEFINED TERMS. As used in this
Agreement, the following terms shall have the following meanings:

                  "ACTION" means any claim, action, suit, arbitration, inquiry,
         proceeding or investigation by or before any Governmental Authority.

                  "ADVISERS ACT" means the Investment Advisers Act of 1940, as
         amended, and the rules and regulations promulgated thereunder.

                  "AFFILIATE" means, with respect to any specified Person, any
         other Person that, directly or indirectly through one or more
         intermediaries, Controls, is Controlled by or is


<PAGE>

         under common Control with such specified Person; PROVIDED, HOWEVER,
         that in the case of Detective the persons on SCHEDULE IV shall also
         constitute Affiliates.

                  "AGREEMENT" means this Agreement, including all Schedules and
         exhibits hereto and all amendments hereto made in accordance with
         Section 8.03.

                  "ANCILLARY AGREEMENTS" means the Registration Rights
         Agreement, the Voting and Standstill Agreements, the Tax Cooperation
         Agreement, the Certificate of Merger, the Letter Agreements and the
         Lynx Option Agreement.

                  "BUSINESS DAY" means any day that is not a Saturday, a Sunday
         or other day on which banks are required or authorized by Law to be
         closed in the City of New York.

                  "CLOSING DATE" means the date on which the Closing actually
         occurs which date shall be (a) the third Business Day after the date on
         which the last of the consents, approvals, actions, filings, notices or
         waiting periods described in or related to the filings described in
         Article VII have been obtained, made or given or have expired, as
         applicable, or (b) such other date as Lynx, Acquisition Sub and
         Detective may mutually agree upon in writing.

                  "CODE" means the Internal Revenue Code of 1986, as amended,
         and the rules and regulations promulgated thereunder.

                  "CONTRACT" means any agreement, arrangement, lease, license,
         evidence of indebtedness, mortgage, indenture, security agreement, deed
         of trust or other contract, commitment or obligation (whether written
         or oral).

                  "CONTROL" means, as to any Person, the power to direct or
         cause the direction of the management and policies of such Person,
         whether through the ownership of voting securities, by Contract or
         otherwise. The term "Controlled" shall have a correlative meaning.

                  "DETECTIVE ACQUISITION AGREEMENT" means any letter of intent,
         agreement in principle, acquisition agreement or other Contract related
         to any Detective Takeover Proposal.

                  "DETECTIVE DISCLOSURE SCHEDULE" means the Disclosure Schedule
         delivered by Detective and Acquisition Sub to Lynx on the date hereof
         and attached hereto as SCHEDULE II.

                  "DETECTIVE STOCKHOLDER APPROVAL" shall mean the affirmative
         vote at the Detective stockholder's meeting convened pursuant to
         Section 5.06 of the holders of a majority of the outstanding shares of
         Detective Common Stock to approve this Agreement, the Amended Charter,
         the election of the Post-Closing Directors to the Board of Directors of


                                       2
<PAGE>

         Detective and all other matters required to be approved by the
         stockholders of Detective pursuant to this Agreement and the Ancillary
         Agreements.

                  "ENVIRONMENTAL LAW" means any Law relating to pollution or
         protection of the environment, including the use, handling,
         transportation, treatment, storage, disposal, release or discharge of
         Hazardous Materials.

                  "ENVIRONMENTAL LIABILITY" means any claim or demand, order,
         suit, obligation, Action, liability, cost (including the cost of any
         investigation, testing, compliance or remedial action), damages
         (consequential or direct), Loss or expense (including reasonable
         attorneys' and consultants' fees and expenses) arising out of, relating
         to or resulting from any environmental matter or condition and related
         in any way to the businesses of Detective, Acquisition Sub or the Lynx
         Companies, the ownership of the Detective Shares or to this Agreement
         or its subject matter.

                  "ENVIRONMENTAL PERMIT" means any permit, approval,
         identification number, License and other authorization required under
         or issued pursuant to any Environmental Law.

                  "ERISA" means the Employee Retirement Income Security Act of
         1974, as amended, and the rules and regulations promulgated thereunder.

                  "EXCHANGE ACT" means the Securities Exchange Act of 1934, as
         amended, and the rules and regulations promulgated thereunder.

                  "FULLY DILUTED BASIS" means, with respect to the calculation
         of the number of shares of Detective Common Stock, as of each date of
         determination thereof, the sum of (i) all shares of Detective Common
         Stock outstanding at the time of determination and (ii) all shares of
         Detective Common Stock issuable upon the exchange, exercise or
         conversion of all Options (other than the Lynx Option) then outstanding
         (including those Options Detective has agreed to issue subject to
         receipt of shareholder approval) (whether or not such Options are then
         exercisable or subject to contingencies).

                  "GOVERNMENTAL AUTHORITY" means any United States federal,
         state or local or any foreign government, governmental, regulatory or
         administrative authority, agency or commission or any court, tribunal,
         or judicial or arbitral body or any arbitrator (including any private
         arbitrator) or any self-regulatory authority.

                  "GOVERNMENTAL ORDER" means any order, writ, judgment,
         injunction, decree, stipulation, determination or award entered by or
         with any Governmental Authority.

                  "HAZARDOUS MATERIALS" means (a) petroleum, petroleum products,
         by-products or breakdown products, radioactive materials, friable
         asbestos or polychlorinated biphenyls,


                                       3
<PAGE>

         and (b) any chemical, material or substance defined or regulated as
         toxic or as a pollutant, contaminant or waste under any Environmental
         Law.

                  "HSR ACT" means the Hart-Scott-Rodino Antitrust Improvements
         Act of 1976, as amended, and the rules and regulations promulgated
         thereunder.

                  "INTELLECTUAL PROPERTY" means United States and international:
         (i) patents, patent applications and statutory invention registrations,
         including reissues, divisions, continuations, continuations in part,
         extensions and reexaminations thereof, all rights therein provided by
         international treaties or conventions, and all improvements thereto,
         (ii) trademarks, service marks, trade dress, logos, trade names,
         corporate names, and other source identifiers (whether or not
         registered) including all common law rights, and registrations and
         applications for registration thereof, all rights therein provided by
         international treaties or conventions, and all reissues, extensions and
         renewals of any of the foregoing, (iii) copyrightable works, copyrights
         (whether or not registered) and registrations and applications for
         registration thereof, and all rights therein provided by international
         treaties or conventions, (iv) confidential and proprietary information,
         including methodologies for generating evaluated prices and other trade
         secrets, (v) Software and Third Party Software, (vi) coded values,
         formats, data, historical or current databases, whether or not
         copyrightable and (vii) URLs, domain names, Internet web sites or
         identities used or held for use exclusively by the Lynx Companies or
         Detective or its Subsidiaries.

                  "KNOWLEDGE OF A GIVEN PERSON" or "KNOWLEDGE" or words of
         similar import means (i) with respect to Detective and Acquisition Sub,
         the actual knowledge of the individuals listed in SECTION 1.01 OF THE
         DETECTIVE DISCLOSURE SCHEDULE and (ii) with respect to any of the Lynx
         Companies and Lynx Parent, the actual knowledge of the individuals
         listed in SECTION 1.01 OF THE LYNX DISCLOSURE SCHEDULE, in each case
         without specific investigation or inquiry by such persons.

                  "LAW" means any federal, state, local or foreign statute, law,
         ordinance, regulation, rule, interpretation, code, common law, order,
         other requirement or rule of law of any Governmental Authority
         applicable in the relevant jurisdiction.

                  "LIABILITIES" means any and all debts, liabilities and
         obligations, whether accrued or fixed, absolute or contingent, matured
         or unmatured or determined or determinable, including, without
         limitation, those arising under any Law, Action or Governmental Order
         and those arising under any Contract, License, agreement, arrangement,
         commitment or undertaking or otherwise.

                  "LICENSES" means all licenses, permits, certificates of
         authority, authorizations, approvals, registrations, filings,
         qualifications, privileges, franchises and similar consents granted or
         issued by any Governmental Authority.



                                       4
<PAGE>

                  "LIEN" means any mortgage, deed of trust, pledge,
         hypothecation, security interest, encumbrance, claim, lien or charge of
         any kind.

                  "LYNX DISCLOSURE SCHEDULE" means the Disclosure Schedule
         delivered by Lynx and Lynx Parent to Detective and Acquisition Sub on
         the date hereof and attached hereto as SCHEDULE III.

                  "LYNX OPTION" means the Option granted by Detective to Lynx to
         purchase Detective Common Stock pursuant to the Lynx Option Agreement.

                  "LYNX OPTION AGREEMENT" means the Option Agreement, dated the
         date hereof, among Detective and Lynx in the form of EXHIBIT A, as such
         agreement may be amended, modified or restated from time to time.

                  "MARKSMAN" shall mean MarketWatch.com, Inc. (including its
         Subsidiaries), a Delaware company.

                  "MATERIAL ADVERSE EFFECT" means any occurrence, circumstance,
         change in, or effect on the Lynx Companies or Detective and its
         Subsidiaries (taken as a whole) or Marksman (including any
         Subsidiaries) (taken as a whole), as applicable, that, individually or
         in the aggregate has had or would reasonably be expected to have a
         material adverse effect on the businesses, results of operations or the
         financial condition or prospects of the Lynx Companies or Detective and
         its Subsidiaries (taken as a whole) or Marksman (including any
         Subsidiaries) (taken as a whole), as applicable, taken as a whole.

                  "NASD" means the National Association of Securities Dealers,
         Inc.

                  "OPTION" with respect to any Person means any security, right,
         subscription, warrant, option, "phantom" stock right or other Contract
         that gives the right to (i) purchase or otherwise receive or be issued
         any shares of capital stock or share capital of such Person or any
         security of any kind convertible into or exchangeable or exercisable
         for any shares of capital stock or share capital of such Person or (ii)
         receive any benefits or rights similar to any rights enjoyed by or
         accruing to the holder of shares of capital stock or share capital of
         such Person, including without limitation any rights to participate in
         the equity, income or election of directors or officers of such Person.

                  "PERMITTED LIENS" means the following Liens: (a) Liens for
         Taxes, assessments or other governmental charges or levies not yet due
         or payable or that are being contested in good faith by appropriate
         proceedings; (b) statutory Liens of landlords and Liens of carriers,
         warehousemen, mechanics, materialmen, repairmen and other Liens imposed
         by Law for amounts not yet due; (c) Liens incurred or deposits made in
         the ordinary course of business and on a basis consistent with past
         practice in connection with worker's compensation, unemployment
         insurance or other types of social security; (d) minor


                                       5
<PAGE>

         defects of title, easements, rights-of-way, restrictions and other
         similar charges or encumbrances not materially detracting from the
         value of the Lynx Companies, or Detective, its Subsidiaries or the
         Detective Shares, as applicable, or interfering with the ordinary
         conduct of businesses of the Lynx Companies or Detective or its
         Subsidiaries, as applicable; and (e) Liens not created by the Lynx
         Companies or Detective or its Subsidiaries, as applicable, which affect
         the underlying fee interest of any Detective Leased Real Property or
         Lynx Company Leased Real Property, as applicable.

                  "PERSON" shall mean any natural person, general or limited
         partnership, corporation, limited liability company, firm, association
         or other legal entity.

                  "REGISTRATION RIGHTS AGREEMENT" means the Registration Rights
         Agreement among Detective and Lynx Parent, substantially in the form
         and to the effect of EXHIBIT B, as such agreement may be amended,
         modified or restated from time to time.

                  "REORGANIZATION" means the transaction or series of
         transactions as more fully described in Section 5.11 (which shall be in
         form and substance reasonably satisfactory to Detective) pursuant to
         which Lynx shall acquire prior to the Effective Time, either directly
         or indirectly, 100% of the capital stock or issued share capital of
         each of the Lynx Companies (other than any such stock that Lynx owns as
         of the date of this Agreement and other than the stock of Lynx which is
         owned by Lynx Parent), it being understood, however, that prior to, or
         simultaneously with, the consummation of the Reorganization (i) certain
         assets and properties will be conveyed by the Lynx Companies to
         non-Lynx Company Affiliates of the Lynx Companies, (ii) certain assets
         and properties will be conveyed to the Lynx Companies by non-Lynx
         Company Affiliates of the Lynx Companies, and (iii) the Lynx Companies
         shall enter into certain Contracts to specify operating procedures
         and/or trade practices among the Lynx Companies and certain non-Lynx
         Company Affiliates of the Lynx Companies, which Contracts shall provide
         for charges to the Lynx Companies for goods and services which are no
         higher than the rates being charged on the date hereof (other than
         pricing changes in the ordinary course of business consistent with past
         practice and other than with regard to tax, treasury, human resources,
         legal and accounting arrangements, the terms of which shall be agreed
         upon by the parties) and which shall otherwise be in form and substance
         reasonably satisfactory to Detective.

                  "SEC" means the United States Securities and Exchange
         Commission.

                  "SECURITIES ACT" means the Securities Act of 1933, as amended,
         and the rules and regulations promulgated thereunder.

                  "SOFTWARE" means all computer software developed or currently
         being developed by or on behalf of the Lynx Companies or Detective or
         its Subsidiaries, as applicable, for use exclusively by the Lynx
         Companies or Detective or its Subsidiaries, as applicable, including
         source code, object code, comments, user interfaces, menus, buttons and
         icons,


                                       6
<PAGE>


         and all files, data, manuals, design notes and other items and
         documentation related thereto or associated therewith, but excluding
         Third Party Software.

                  "SUBSIDIARY" of any Person means any corporation, partnership,
         joint venture, limited liability company, trust or estate of which (or
         in which) more than 50% of (a) the issued and outstanding capital stock
         or the issued share capital having ordinary voting power to elect a
         majority of the board of directors of such corporation (irrespective of
         whether at the time capital stock or share capital of any other class
         or classes of such corporation shall or might have voting power upon
         the occurrence of any contingency), (b) the interest in the capital or
         profits of such partnership, joint venture or limited liability company
         or (c) the beneficial interest in such trust or estate, is at the time
         directly or indirectly owned or controlled by such Person, by such
         Person and one or more of its other Subsidiaries or by one or more of
         such Person's other Subsidiaries; PROVIDED, HOWEVER, that (i) in the
         case of Lynx, the other Lynx Companies shall each be deemed a
         Subsidiary of Lynx for the purposes of the representations and
         warranties hereunder and the defined terms used therein and (ii) all
         Subsidiaries of a Person shall also be Affiliates of that Person.

                  "TAX" or "TAXES" means all income, excise, gross receipts, ad
         valorem, sales, use, employment, franchise, profits, gains, property,
         transfer, payroll, intangibles or other taxes, fees, stamp taxes,
         duties, charges, levies or assessments of any kind whatsoever (whether
         payable directly or by withholding), together with any interest and any
         penalties, additions to tax or additional amounts imposed by any Tax
         authority with respect thereto.

                  "TAX COOPERATION AGREEMENT" means the Tax Cooperation
         Agreement between Detective and Lynx Parent in the form of EXHIBIT C,
         as such agreement may be amended, modified or restated from time to
         time.

                  "TAX RETURNS" means all returns and reports (including
         elections, declarations, disclosures, schedules, estimates, statements,
         and information returns) required to be supplied to a Tax authority
         relating to Taxes.

                  "THIRD PARTY SOFTWARE" means all computer software used by or
         on behalf of the Lynx Companies or Detective or its Subsidiaries, as
         applicable, developed by a third party that was not developed by or on
         behalf of the Lynx Companies or Detective or its Subsidiaries, as
         applicable, (including source code, object code, comments, user
         interfaces, menus, buttons and icons and all files, data, manuals,
         design notes and other items and documentation related thereto), but
         excluding commercially available shrink-wrapped software.

                  "VOTING AND STANDSTILL AGREEMENTS" means the Voting and
         Standstill Agreements, dated the date hereof, among Lynx and each of
         the Persons listed in SCHEDULE IV hereto,


                                       7
<PAGE>

         each in the form of EXHIBIT D, as such agreements may be amended,
         modified or restated from time to time.

                  "YEAR 2000 COMPLIANT" means, with respect to any of the
         services, operations or businesses of the Lynx Companies or Detective
         or its Subsidiaries, as applicable, as demonstrated through appropriate
         testing of the same, design and performance capabilities (including,
         without limitation, the ability of services and products distributed by
         Detective or its Subsidiaries or the Lynx Companies, as applicable, to
         recognize the century and to manage and manipulate data involving
         dates, including single century and multi-century formulas and date
         values, without resulting in the generation of incorrect values
         involving such dates or causing any abnormal endings) such that prior
         to, during, and after the calendar year 2000, none of the assets,
         services or operations of Detective or its Subsidiaries, or the Lynx
         Companies, as applicable, will malfunction, produce errors, cause or
         suffer premature cancellation or expiration of contractual rights,
         cause or suffer deletion of data or invalid or incorrect results, or
         abnormally cease to function or exhibit any other problems in
         connection with (i) the year 2000 (and all subsequent years) as
         distinct from 1900s years, (ii) the date February 29, 2000, and all
         subsequent leap years, (iii) the date September 9, 1999, or (iv) any
         other calendar date (such failures and other problems, the "YEAR 2000
         PROBLEM").

                  SECTION 1.02. OTHER  DEFINED  TERMS.  The  following  terms
have the  meanings  defined  for such terms in the Sections set forth below:

<TABLE>
<CAPTION>

                  Term                                            Section
                  ----                                            -------

                  <S>                                             <C>
                  Acquisition Sub                                 Preamble
                  Amended Charter                                 5.06
                  Certificate of Merger                           2.03
                  Closing                                         2.02
                  Confidentiality Agreement                       5.02
                  Detective                                       Preamble
                  Detective Common Stock                          4.02
                  Detective Leased Real Property                  4.11
                  Detective Licensed Intellectual Property        4.12(a)
                  Detective Loan Agreements                       5.15
                  Detective Material Contracts                    4.16(a)
                  Detective Owned Intellectual Property           4.12(a)
                  Detective Plans                                 4.13(a)
                  Detective Shares                                Recitals
                  Detective Shrink-Wrapped Software               4.12(a)
                  Detective Superior Proposal                     6.03(a)
                  Detective Takeover Proposal                     6.03(a)
                  Detective Year 2000 Plan                        4.12(f)
                  DGCL                                            2.01

</TABLE>


                                       8
<PAGE>

<TABLE>

                  <S>                                             <C>
                  Effective Time                                  2.03
                  FTAM                                            3.05(a)
                  FTRP                                            3.05(a)
                  Interim FTAM Financial Statements               3.05(a)
                  Letter Agreements                               5.16
                  Lynx                                            Preamble
                  Lynx Companies                                  Recitals
                  Lynx Company Audited Financial Statements       3.05(a)
                  Lynx Company Leased Real Property               3.11
                  Lynx Company Licensed Intellectual Property     3.12(a)
                  Lynx Company Material Contracts                 3.16(a)
                  Lynx Company Owned Intellectual Property        3.12(a)
                  Lynx Company Plans                              3.13(a)
                  Lynx Company Shares                             Recitals
                  Lynx Company Shrink-Wrapped Software            3.12(a)
                  Lynx Company Year 2000 Plan                     3.12(f)
                  Lynx Parent                                     Preamble
                  Merger                                          Recitals
                  1998 Financial Statements                       3.05(a)
                  Other Filings                                   5.06
                  Pearson                                         3.05(b)
                  Post-Closing Directors                          5.13
                  Proxy Material                                  5.06
                  Reference Balance Sheet                         3.05(a)
                  Restraints                                      7.01(e)
                  SEC Documents                                   4.05
                  Section 1018 Approval                           5.03(b)
                  Surviving Corporation                           2.01
                  Termination Fee                                 5.08(b)
                  Year 2000 Problem                               1.01

</TABLE>


                  SECTION 1.03. TERMS GENERALLY. (a) Words in the singular shall
be held to include the plural and vice versa and words of one gender shall be
held to include the other genders as the context requires, (b) the term
"hereof," "herein," and "herewith" and words of similar import shall, unless
otherwise stated, be construed to refer to this Agreement and not to any
particular provision of this Agreement, and Article, Section, paragraph, Exhibit
and Schedule references are to the Articles, Sections, paragraphs, Exhibits and
Schedules to this Agreement unless otherwise specified, (c) the word "including"
and words of similar import when used in this Agreement shall mean "including,
without limitation," unless otherwise specified, (d) provisions shall apply,
when appropriate, to successive events and transactions, and (e) references to
amounts stated in dollars shall mean U.S. dollars and shall include reference to
amounts in other denominations of equal value based upon prevailing exchange
rates.


                                       9
<PAGE>

                                   ARTICLE II

                                   THE MERGER

                  SECTION 2.01. THE MERGER. Upon the terms and subject to the
conditions set forth in this Agreement, and in accordance with the Delaware
General Corporation Law (the "DGCL"), Acquisition Sub shall be merged with and
into Lynx at the Effective Time. Following the Effective Time, Lynx shall be the
surviving corporation (the "SURVIVING CORPORATION") and shall succeed to and
assume all the rights and obligations of Acquisition Sub in accordance with the
DGCL.

                  SECTION 2.02. CLOSING. Subject to the terms and conditions of
this Agreement, the closing of the Merger shall take place at a closing (the
"CLOSING") to be held at 10:00 a.m., New York City time, on the Closing Date,
concurrently with the Effective Time at the offices of Morgan, Lewis & Bockius
LLP, New York, New York, or at such other place as Lynx, Detective and
Acquisition Sub may mutually agree upon in writing.

                  SECTION 2.03. EFFECTIVE TIME. Subject to the provisions of
this Agreement, on or prior to the Closing Date, the parties shall file a
certificate of merger or other appropriate documents (in any such case, the
"CERTIFICATE OF MERGER") executed in accordance with the relevant provisions of
the DGCL and shall at such time or thereafter, as appropriate, make all other
filings or recordings required under the DGCL. The Merger shall become effective
at such time as the Certificate of Merger is duly filed with the Delaware
Secretary of State, or at such other time as Lynx and Acquisition Sub shall
agree and specify in the Certificate of Merger (the time the Merger becomes
effective being hereinafter referred to as the "EFFECTIVE TIME").

                  SECTION 2.04. EFFECTS OF THE MERGER. The Merger shall have the
effects set forth in Section 259 of the DGCL.

                  SECTION 2.05. CERTIFICATE OF INCORPORATION; BY-LAWS. The
Certificate of Incorporation and by-laws of Lynx, as in effect immediately prior
to the Effective Time, shall be the Certificate of Incorporation and by-laws of
the Surviving Corporation, in each case until thereafter changed or amended as
provided therein or by applicable law.

                  SECTION 2.06. DIRECTORS AND OFFICERS. The directors of Lynx
immediately prior to the Effective Time shall be the initial directors of the
Surviving Corporation, each to hold office in accordance with the Certificate of
Incorporation and by-laws of the Surviving Corporation, and the officers of Lynx
immediately prior to the Effective Time shall be the initial officers of the
Surviving Corporation, in each case until their respective successors are duly
elected or appointed and qualified.

                  SECTION 2.07. CONVERSION OF SECURITIES. At the Effective Time,
by virtue of the Merger and without any action on the part of Detective,
Acquisition Sub, Lynx, Lynx Parent or the holders of any of the following
securities:


                                       10
<PAGE>


                  (a) CAPITAL STOCK OF ACQUISITION SUB. Each issued and
outstanding share of capital stock of Acquisition Sub shall be converted into
and become one fully paid and nonassessable share of common stock, par value
$1.00 per share, of the Surviving Corporation.

                  (b) CONVERSION OF LYNX SHARES. The issued and outstanding
shares of capital stock of Lynx shall be converted into the right to receive the
Detective Shares. As of the Effective Time, all such Lynx shares shall
automatically be canceled and shall cease to be outstanding, and each holder of
a certificate that immediately prior to the Effective Time represented any such
Lynx shares shall cease to have any rights with respect thereto, except the
right to receive the Detective Shares.

                  SECTION 2.08. CLOSING DELIVERIES BY LYNX. At the Closing, Lynx
shall deliver or cause to be delivered to Detective and Acquisition Sub:

                  (a) executed copies of the Certificate of Merger and the
         Registration Rights Agreement;

                  (b) the minute books, stock books and stock ledgers (to the
         extent such exist) of the Lynx Companies;

                  (c) a certificate of the Secretary or an Assistant Secretary
         of Lynx certifying the names and signatures of the officers of Lynx or
         an Affiliate of Lynx authorized to sign this Agreement, the Ancillary
         Agreements to which it is a party and the other documents to be
         delivered hereunder with a true and complete copy of the by-laws of
         each Lynx Company in full force and effect on the Closing Date,
         attached thereto;

                  (d) a certificate of an officer of Lynx and Lynx Parent as
         reasonably requested by Detective certifying that (i) the
         representations and warranties of Lynx and Lynx Parent contained in
         Article III are true and correct in all material respects as of the
         Closing Date as though made on and as of the Closing Date except (A)
         for changes specifically permitted by this Agreement and (B) that those
         representations and warranties that address matters only as of a
         particular date remain true and correct in all material respects as of
         such date (PROVIDED, HOWEVER, that any representation or warranty that
         is qualified by materiality or by reference to a Material Adverse
         Effect shall be true and correct in all respects as of the Closing Date
         or as of such earlier date, as the case may be); and (ii) the covenants
         contained in this Agreement to be complied with by Lynx and Lynx Parent
         on or before the Closing Date shall have been complied with in all
         material respects;

                  (e) a true and complete copy, certified by the Secretary or an
         Assistant Secretary of Lynx, of the resolutions duly and validly
         adopted by the Board of Directors of Lynx evidencing its authorization
         of the execution and delivery of this Agreement and the Ancillary
         Agreements to which it is a party and the consummation of the
         transactions


                                       11
<PAGE>

         contemplated hereby and thereby as well as a true and complete copy,
         certified by the Secretary or an Assistant Secretary of Lynx Parent,
         of its consent to the Merger in its capacity as the sole shareholder
         of Lynx;

                  (f) Lynx Parent's receipt for the Detective Shares;

                  (g) copies of the certificates or articles of incorporation
         (or other comparable corporate charter documents), including all
         amendments thereto, of each of the Lynx Companies, certified by the
         Secretary of State or other appropriate official of the applicable
         jurisdictions of incorporation; and

                  (h) such other documents and instruments as Detective,
         Acquisition Sub and Lynx mutually agree to be reasonably necessary to
         consummate the transactions described herein.

                  SECTION 2.09. CLOSING DELIVERIES BY DETECTIVE AND ACQUISITION
SUB. At the Closing, Detective and Acquisition Sub shall deliver or cause to be
delivered to Lynx (or Lynx Parent, where specified):

                  (a) stock certificates evidencing all of the Detective Shares
         issued in the name of Lynx Parent or its designees and delivered to
         Lynx Parent or its designees as specified by Lynx Parent;

                  (b) executed copies of the Registration Rights Agreement;

                  (c) certificates of the Secretary or an Assistant Secretary of
         Detective and Acquisition Sub, as applicable, certifying the names and
         signatures of the officers of Detective and Acquisition Sub or their
         Affiliates authorized to sign this Agreement, the Ancillary Agreements
         to which either is a party and the other documents to be delivered
         hereunder with a true and complete copy of the by-laws of Detective and
         each of its Subsidiaries, as in full force and effect on the Closing
         Date, attached thereto;

                  (d) certificates of officers of Detective and Acquisition Sub,
         as applicable, certifying that (i) the representations and warranties
         of Detective and Acquisition Sub contained in Article IV are true and
         correct in all material respects as of the Closing Date as though made
         on and as of the Closing Date, except (A) for changes specifically
         permitted by this Agreement and (B) that those representations and
         warranties that address matters only as of a particular date remain
         true and correct in all material respects as of such date (PROVIDED,
         HOWEVER, that any representation or warranty that is qualified by
         materiality or by reference to a Material Adverse Effect shall be true
         and correct in all respects as of the Closing Date or as of such
         earlier date, as the case may be); and (ii) the covenants contained in
         this Agreement to be complied with by Detective and Acquisition Sub on
         or before the Closing Date have been complied with in all material
         respects,


                                       12
<PAGE>

         except that Detective and Acquisition Sub shall have complied in all
         respects with their obligations regarding the delivery of the Detective
         Shares;

                  (e) true and complete copies, certified by the Secretary or an
         Assistant Secretary of Detective and Acquisition Sub, as applicable, of
         the resolutions duly and validly adopted by the Board of Directors of
         Detective and Acquisition Sub, evidencing the authorization of the
         execution and delivery of this Agreement, the Amended Charter and the
         Ancillary Agreements to which they are a party and the consummation of
         the transactions contemplated hereby and thereby;

                  (f) copies of the certificates or articles of incorporation
         (or other comparable corporate charter documents), including all
         amendments thereto (as well as the Amended Charter), of Detective and
         each of its Subsidiaries, certified by the Secretary of State or other
         appropriate officials of the applicable jurisdictions of incorporation;

                  (g) a copy of the listing application prepared by Detective,
         and approved by the NASD, pursuant to Section 5.07 of this Agreement;

                  (h) the resignations from Detective's and Marksman's (if so
         requested by Lynx) Boards of Directors contemplated pursuant to Section
         5.13; and

                  (i) such other documents and instruments as Detective,
         Acquisition Sub and Lynx mutually agree to be reasonably necessary to
         consummate the transactions described herein.

                  SECTION 2.10. ADJUSTMENTS. If at any time during the period
between November 10, 1999 and the Closing, any change in the number of shares of
capital stock of Detective (on a Fully Diluted Basis) shall occur by reason of
any reclassification, recapitalization, stock split or combination, issuance,
exchange or readjustment of shares or Options, or any similar transaction, or
any stock dividend thereon with a record date during such period, the number of
shares of Detective Common Stock (or Options to acquire such shares) issuable
pursuant to this Agreement or the Lynx Option Agreement shall be appropriately
adjusted to provide Lynx and Lynx Parent the same economic effect as
contemplated by this Agreement or the Lynx Option Agreement prior to such event.


                                   ARTICLE III

             REPRESENTATIONS AND WARRANTIES OF LYNX AND LYNX PARENT

                  Lynx Parent and Lynx each represent and warrant to Detective
and Acquisition Sub as follows:


                                       13
<PAGE>


                  SECTION 3.01. AUTHORITY OF LYNX AND LYNX PARENT. Each of Lynx
and Lynx Parent has all necessary corporate power and authority to enter into
this Agreement and the Ancillary Agreements to which it is a party, to carry out
its obligations hereunder and thereunder and to consummate the transactions
contemplated hereby and thereby. The execution and delivery of this Agreement
and such Ancillary Agreements by Lynx and Lynx Parent, the performance by Lynx
and Lynx Parent of their respective obligations hereunder and thereunder and the
consummation by Lynx and Lynx Parent of the transactions contemplated hereby and
thereby have been duly authorized by all requisite corporate action on the part
of Lynx and Lynx Parent. This Agreement has been, and upon execution such
Ancillary Agreements will be, duly executed and delivered by Lynx and Lynx
Parent, and (assuming due authorization, execution and delivery by Detective and
each Affiliate of Detective executing this Agreement or one or more of such
Ancillary Agreements) this Agreement constitutes, and upon execution such
Ancillary Agreements will constitute, legal, valid and binding obligations of
Lynx and Lynx Parent enforceable against Lynx and Lynx Parent in accordance with
their terms.

                  SECTION 3.02. INCORPORATION AND CAPITAL STOCK OF THE LYNX
COMPANIES. (a) Each Lynx Company is a corporation duly organized, validly
existing and in good standing under the Laws of its jurisdiction of
incorporation and has full corporate power and authority to conduct its business
as and to the extent now conducted, and to own, use and lease its assets and
properties. Except as set forth on SECTION 3.02 OF THE LYNX DISCLOSURE SCHEDULE,
each Lynx Company is duly qualified, licensed or admitted to do business and is
in good standing in those jurisdictions in which the ownership, use or leasing
of such Lynx Company's assets and properties, or the conduct or nature of its
business, makes such qualification, licensing or admission necessary except
where the failure to be so qualified, licensed or admitted would not have a
Material Adverse Effect. SECTION 3.02 OF THE LYNX DISCLOSURE SCHEDULE lists for
each Lynx Company the amount of its authorized and outstanding capital stock or
issued share capital. The Lynx Company Shares have been duly authorized and
validly issued, are fully paid and nonassessable, and are owned, or prior to the
Effective Time will be owned, beneficially and of record, in the case of Lynx by
Lynx Parent, and in the case of the other Lynx Companies by Lynx or another Lynx
Company, free and clear of all Liens. Except as set forth on SECTION 3.02 OF THE
LYNX DISCLOSURE SCHEDULE, there are no outstanding Options with respect to any
such Lynx Company and no agreements, arrangements or understandings to issue
Options with respect to any such Lynx Company and there are no preemptive rights
or agreements, arrangements or understandings to issue preemptive rights with
respect to any such Lynx Company. Other than as listed in SECTION 3.02 OF THE
LYNX DISCLOSURE SCHEDULE, and except for the capital stock or issued share
capital of such other Lynx Companies, neither Lynx nor such Subsidiaries hold
any equity, partnership, joint venture or other interest in any Person.

                  SECTION 3.03. NO CONFLICT. Assuming all consents, approvals,
authorizations and other actions described in Section 3.04 have been obtained,
and except as may result from any facts or circumstances relating solely to
Detective, Acquisition Sub or any of their Affiliates or as described in SECTION
3.03 OF THE LYNX DISCLOSURE SCHEDULE, the execution, delivery and performance of
this Agreement and the Ancillary Agreements to which it is a party by Lynx and
Lynx Parent does not and will not (a) violate or conflict with the Certificate
of Incorporation,


                                       14
<PAGE>

other constitutive documents or by-laws of Lynx and Lynx Parent, (b) conflict
with or violate any Law or Governmental Order applicable to Lynx Parent or any
Lynx Company, or (c) result in any breach of, or constitute a default (or event
which with the giving of notice or lapse of time, or both, would become a
default) under, or give to any Person any rights of termination, amendment,
acceleration or cancellation of, or result in the creation of any Lien on any
Lynx Company pursuant to, any Contract, License or other material instrument to
which any Lynx Company is a party or by which any such company or its assets is
bound or affected, except, in the case of clauses (b) and (c) above, (i) for
conflicts, violations, breaches, defaults, rights of termination, amendment,
acceleration or cancellation, or Liens as would not, individually or in the
aggregate, (A) have a Material Adverse Effect, (B) impair the ability of any
Lynx Company or Lynx Parent to perform its obligations under this Agreement or
any of the Ancillary Agreements to which it is a party or (C) prevent or
materially delay the consummation of the transactions contemplated by this
Agreement or any of the Ancillary Agreements, or (ii) for Liens created by or
through Detective, Acquisition Sub or any of their Affiliates.

                  SECTION 3.04. CONSENTS AND APPROVALS. The execution and
delivery of this Agreement and each Ancillary Agreement to which it is a party
by Lynx and Lynx Parent does not, and the performance of this Agreement and each
such Ancillary Agreement by Lynx and Lynx Parent will not, require any consent,
approval, authorization or other action by, or filing with or notification to,
any Governmental Authority, except (a) as described in SECTION 3.04 OF THE LYNX
DISCLOSURE SCHEDULE, (b) the notification requirements of the HSR Act and
applicable filings, notifications or receipts of any required clearances under
foreign antitrust and competition Laws, (c) where failure to obtain such
consent, approval, authorization or action, or to make such filing or
notification, would not, individually or in the aggregate, (A) have a Material
Adverse Effect, (B) impair the ability of Lynx or Lynx Parent to perform its
obligations under this Agreement or any of the Ancillary Agreements to which it
is a party or (C) prevent or materially delay the consummation of the
transactions contemplated by this Agreement or any of the Ancillary Agreements,
and (d) as may be necessary as a result of any facts or circumstances relating
solely to Detective, Acquisition Sub or any of their Affiliates.

                  SECTION 3.05. FINANCIAL INFORMATION. (a) Set forth in SECTION
3.05(a) OF THE LYNX DISCLOSURE SCHEDULE are (i) the unaudited consolidated
balance sheet as of December 31, 1998 and the unaudited consolidated income
statement for the fiscal year then ended for Financial Times Asset Management
Group ("FTAM") and Financial Times Research Products ("FTRP"), FTRP having been
sold on February 19, 1999 (the "1998 FINANCIAL STATEMENTS"), (ii) the unaudited
consolidated balance sheet as of September 30, 1999 (the "REFERENCE BALANCE
SHEET") and the unaudited consolidated profit and loss statement for the
nine-month period then ended for FTAM (the "INTERIM FTAM FINANCIAL STATEMENTS")
and (iii) the audited statutory balance sheet as of December 31, 1998 and the
audited statutory profit and loss statements for the fiscal year then ended for
each of ExShare Financial Limited (including FTRP), Financial Times Information
(H.K.) Limited, Financial Times Information Australia Pty Limited and Financial
Times Information (Singapore) PTE Limited, and the audited balance sheet as of
December 31, 1998 for Interactive Data Corporation (the "LYNX COMPANY AUDITED
FINANCIAL STATEMENTS").


                                       15
<PAGE>


                  (b) The 1998 Financial Statements constitute the year-end
consolidating financial statements for FTAM and FTRP provided to Pearson plc, a
company organized under the laws of England and Wales ("PEARSON") by the
management of FTAM and FTRP and incorporated by Pearson in its consolidated
audited financial statements as of December 31, 1998 and for the fiscal year
then ended.

                  (c) The Interim FTAM Financial Statements have been extracted
from the books and records of FTAM and have been prepared by the management of
FTAM in the ordinary course of business for incorporation into the management
accounts of Pearson as of September 30, 1999 and for the nine-month period then
ended.

                  (d) The Lynx Company Financial Statements were prepared in
accordance with the generally accepted accounting principles stated to be
applicable thereto and fairly present for each Lynx Company covered thereby the
consolidated financial position as of December 31, 1998 and the results of
operations for the fiscal year then ended.

                  SECTION 3.06. ABSENCE OF CERTAIN CHANGES OR EVENTS. Since
September 30, 1999, except (i) as disclosed in SECTION 3.06 OF THE LYNX
DISCLOSURE SCHEDULE, or (ii) as contemplated by this Agreement (including,
without limitation, the Reorganization), the businesses of the Lynx Companies
have been conducted in the ordinary course and there has not been any Material
Adverse Effect. None of the other representations or warranties set forth in
this Agreement shall be deemed to limit the foregoing. In addition, without
limiting the foregoing, except (i) as disclosed in SECTION 3.06 OF THE LYNX
DISCLOSURE SCHEDULE, or (ii) as contemplated by this Agreement (including,
without limitation, the Reorganization) there has not occurred since September
30, 1999:

                  (a) any declaration, setting aside or payment of any dividend
         or other distribution in respect of the capital stock or share capital
         of the Lynx Companies, or any direct or indirect redemption, purchase
         or other acquisition by any of the Lynx Companies of any such capital
         stock or share capital of, or any Option with respect to, the Lynx
         Companies;

                  (b) except for the execution, delivery and performance by Lynx
         or Lynx Parent of this Agreement and the transactions contemplated
         hereby, any authorization, issuance, sale or other disposition by the
         Lynx Companies of any shares of capital stock or share capital of, or
         any Option with respect to, the Lynx Companies, or any modification or
         amendment of any right of any holder of any outstanding shares of
         capital stock or share capital of, or any Option with respect to, the
         Lynx Companies;

                  (c) incurrences by the Lynx Companies of indebtedness or any
         voluntary purchase, cancellation, prepayment or complete or partial
         discharge in advance of a scheduled payment date with respect to, or
         waiver of any right of the Lynx Companies under, any indebtedness of or
         owing to the Lynx Companies (in either case other than in


                                       16
<PAGE>

         the ordinary course of business or any indebtedness of the Lynx
         Companies owing to the Lynx Companies or any Affiliate of the Lynx
         Companies);

                  (d) any physical damage, destruction or other casualty loss
         (whether or not covered by insurance) affecting any of the real or
         personal property or equipment of the Lynx Companies in an aggregate
         amount exceeding $100,000;

                  (e) any write-off or write-down of or any determination to
         write off or write down any of the assets and properties of the Lynx
         Companies in an aggregate amount exceeding $100,000;

                  (f) any acquisition of any assets and properties of any Person
         or license or disposition of, or incurrence of a Lien (other than a
         Permitted Lien or any Lien in aggregate amount less than $100,000) on,
         any assets and properties of the Lynx Companies, in each case, other
         than acquisitions, licenses or dispositions of products and services in
         the ordinary course of business of such Lynx Company consistent with
         past practice or any Lien in aggregate amount less than $100,000);

                  (g) any commencement, termination or change by any Lynx
         Company of any line of business;

                  (h) any transaction by any Lynx Company with any officer,
         director, stockholder, Affiliate or associate of any Lynx Company,
         other than pursuant to any Contract in effect on September 30, 1999 and
         disclosed to Detective and Acquisition Sub pursuant to Section 3.16(a)
         other than pursuant to any arrangement with regard to intercompany
         indebtedness between the Lynx Companies and any non-Lynx Company
         Affiliate of the Lynx Companies, or other than pursuant to any contract
         of employment listed pursuant to SECTION 3.16(a) OF THE LYNX DISCLOSURE
         SCHEDULE or other than in the ordinary course of business consistent
         with past practice;

                  (i) any change in accounting or Tax principles, methods or
         practices; or

                  (j) (i) any granting by any of the Lynx Companies to any
         current or former director, executive officer or other employee of the
         Lynx Companies of any increase in compensation, bonus or other
         benefits, except for normal increases in cash compensation in the
         ordinary course of business consistent with past practice or as was
         required under any employment agreements in effect as of the date of
         the Reference Balance Sheet, (ii) any granting by any of the Lynx
         Companies to any such current or former director, executive officer or
         employee of any increase in severance or termination pay, (iii) any
         entry by any of the Lynx Companies into, or any amendments of, any
         employment, deferred compensation, consulting, severance, termination
         or indemnification agreement with any such current or former director,
         executive officer or employee or (iv) any amendment to, or modification
         of, any Option, or the benefits under any Lynx Company Plan.


                                       17
<PAGE>


                  SECTION 3.07. ABSENCE OF LITIGATION. As of the date hereof,
except as set forth in SECTION 3.07 OF THE LYNX DISCLOSURE SCHEDULE, there are
no Actions pending or, to the knowledge of the Lynx Companies or Lynx Parent
threatened, against Lynx Parent or any Lynx Company, that would reasonably be
expected to have, individually or in the aggregate, a Material Adverse Effect or
that would materially impair Lynx's ability to consummate the Merger.

                  SECTION 3.08. COMPLIANCE WITH LAWS. Neither Lynx Parent nor
any of the Lynx Companies is in violation of any Laws (including, without
limitation, the Advisers Act) or any Governmental Orders applicable to the Lynx
Companies, or by which any of them is bound, except (i) as set forth in SECTION
3.08 OF THE LYNX DISCLOSURE SCHEDULE and (ii) for violations the existence of
which would not, individually or in the aggregate, have a Material Adverse
Effect.

                  SECTION 3.09. GOVERNMENTAL LICENSES AND PERMITS. The Lynx
Companies hold all Licenses necessary to the operation of their businesses as
currently operated and are in compliance with the terms of such Licenses, except
(a) as set forth in SECTION 3.09 OF THE LYNX DISCLOSURE SCHEDULE or (b) for
violations, the existence of which would not, individually or in the aggregate,
have a Material Adverse Effect.

                  SECTION 3.10. TANGIBLE PERSONAL PROPERTY. Except as disclosed
in SECTION 3.10 OF THE LYNX DISCLOSURE Schedule, the Lynx Companies are in
possession of and have good and marketable title to, or have valid leasehold
interests in or valid rights under Contract to use, all tangible personal
property used in the conduct of their businesses, including all tangible
personal property reflected on the Reference Balance Sheets and tangible
personal property acquired since September 30, 1999 other than property disposed
of since such date in the ordinary course of business consistent with past
practice and the terms of this Agreement. Except as disclosed in SECTION 3.10 OF
THE LYNX DISCLOSURE SCHEDULE, all such tangible personal property is free and
clear of all Liens, other than Permitted Liens or Liens created by or through
Detective, Acquisition Sub or any of their Affiliates, and is in good working
order and condition, ordinary wear and tear excepted, and its use complies in
all material respects with all applicable Laws and, to the knowledge of Lynx, is
adequate and suitable for the conduct by the Lynx Companies of the businesses
presently conducted by them.

                  SECTION 3.11. REAL PROPERTY. None of the Lynx Companies owns
any real property. Each parcel of real property leased by the Lynx Companies and
used exclusively in the business of such Lynx Company, including, without
limitation, those properties set forth in SECTION 3.11 OF THE LYNX DISCLOSURE
SCHEDULE (the "LYNX COMPANY LEASED REAL PROPERTY"), is leased, free and clear of
all Liens, except (i) as disclosed in SECTION 3.11 OF THE LYNX DISCLOSURE
SCHEDULE, (ii) Permitted Liens and (iii) Liens created by or through Detective,
Acquisition Sub or any of their Affiliates.

                  SECTION 3.12. INTELLECTUAL PROPERTY. (a) The Lynx Companies
own exclusively or have the right to use all Intellectual Property and
commercially available shrink-wrapped software that is material to the operation
of the Lynx Companies ("LYNX


                                       18
<PAGE>

COMPANY OWNED INTELLECTUAL PROPERTY", "LYNX COMPANY LICENSED INTELLECTUAL
PROPERTY" or "LYNX COMPANY SHRINK-WRAPPED SOFTWARE", as applicable). SECTION
3.12(a) OF THE LYNX DISCLOSURE SCHEDULE sets forth a true and complete list of
all material registered patents and patent applications, common law trademarks,
registered trademarks and trademark applications, copyright registrations,
domain name registrations and Software owned by the Lynx Companies. Except as
would not have a Material Adverse Effect, the Lynx Company Owned Intellectual
Property, the Lynx Company Licensed Intellectual Property and Lynx Company
Shrink-Wrapped Software collectively constitute all of the Intellectual Property
necessary for the continued operation of the businesses of the Lynx Companies.

                  (b) Except for such infringements as would not, individually
or in the aggregate, have a Material Adverse Effect (i) the Lynx Company Owned
Intellectual Property does not infringe upon the Intellectual Property rights of
any third party, and (ii) no written claim has been asserted to the Lynx
Companies which is currently pending or, to the knowledge of Lynx or Lynx Parent
threatened that the use of such Lynx Company Owned Intellectual Property or Lynx
Company Licensed Intellectual Property in a manner consistent with past practice
does or may infringe upon the Intellectual Property rights of any third party.

                  (c) To the knowledge of Lynx and Lynx Parent, the Lynx
Companies are the exclusive owners of the entire right, title and interest in
and to all Lynx Company Owned Intellectual Property and are entitled to use all
Lynx Company Owned Intellectual Property, Lynx Company Licensed Intellectual
Property and Lynx Company Shrink-Wrapped Software in the continued operation of
their businesses in a manner consistent in all material respects with past
practice.

                  (d) To the knowledge of Lynx and Lynx Parent, except as set
forth in SECTION 3.12(d) OF THE LYNX DISCLOSURE SCHEDULE, no Person is engaging
in any activity that infringes upon the Lynx Company Owned Intellectual
Property. Except as would not, individually or in the aggregate, have a Material
Adverse Effect, the consummation of the transactions contemplated by this
Agreement will not result in the termination or impairment of any of the Lynx
Company Owned Intellectual Property, Lynx Company Licensed Intellectual Property
or Lynx Company Shrink-Wrapped Software, or any license relating thereto.

                  (e) None of the Lynx Companies is in breach of, or default
under, any material term of any license or sublicense of the Lynx Company Owned
Intellectual Property, Lynx Company Licensed Intellectual Property or Lynx
Company Shrink-Wrapped Software, and, to the knowledge of Lynx and Lynx Parent,
no other party to such license or sublicense is in breach thereof or default
thereunder, except in any such case as would not, individually or in the
aggregate, have a Material Adverse Effect.

                  (f) Except as set forth in Section 3.12(f) of the Lynx
Disclosure Schedule, the Lynx Companies have (i) initiated a review and
assessment of the business operations of the Lynx Companies (including those
areas affected by suppliers and vendors) that could reasonably be affected by
the Year 2000 Problem, (ii) developed a comprehensive plan, which has been


                                       19
<PAGE>

delivered to Detective on or before the date hereof (the "LYNX COMPANY YEAR 2000
PLAN"), to address the Lynx Company Year 2000 Problem, and (iii) implemented and
complied with (including dates by which steps and actions are to be taken and
performed by) the Lynx Company Year 2000 Plan in accordance with the terms
thereof. Except as set forth in Section 3.12(f) of the Lynx Disclosure Schedule,
the Lynx Company Year 2000 Plan includes all appropriate, necessary and timely
steps, actions and plans to make the Lynx Companies Year 2000 Compliant in
accordance with the methods and the time frames set forth therein. Except as set
forth in Section 3.12(f) of the Lynx Disclosure Schedule, as of the date hereof,
there are no issues or events that prevent the Lynx Companies from fully
addressing the Year 2000 Problem consistent with the terms of the Lynx Company
Year 2000 Plan. Except as set forth in SECTION 3.12(f) OF THE LYNX DISCLOSURE
SCHEDULE, all Third Party Software and all hardware used by the Lynx Companies
has been certified by the providers thereof to be Year 2000 Compliant for the
intended uses and purposes of such Third Party Software and such hardware.

                  (g) To the knowledge of Lynx and Lynx Parent, except as set
forth in SECTION 3.12(g) OF THE LYNX DISCLOSURE SCHEDULE, there are no Contracts
of any of the Lynx Companies under which such Lynx Companies make a Year 2000
warranty that do not limit or cap the Liability of such Lynx Companies with
respect to any Year 2000 Problem.

                  SECTION 3.13 EMPLOYEE BENEFITS MATTERS. (a) SECTION 3.13(a)
OF THE LYNX DISCLOSURE SCHEDULE contains a true and complete list of all
employee benefit plans (within the meaning of Section 3(3) of ERISA), all bonus,
stock option, stock purchase, restricted stock, incentive, deferred
compensation, supplemental retirement, severance or other benefit plans,
programs or arrangements, and all employment, termination, severance or other
Contracts or agreements with respect to which any Lynx Company or any of its
Affiliates has any obligation and which are maintained, contributed to or
sponsored by any Lynx Company or any of its Affiliates for the benefit of any
current or former employee of any Lynx Company (collectively, the "LYNX COMPANY
PLANS").

                  (b) Except as otherwise disclosed in SECTION 3.13(b) OF THE
LYNX DISCLOSURE SCHEDULE, none of the Lynx Company Plans (i) is a "multiemployer
plan", within the meaning of Section 3(37) or 4001(a)(3) of ERISA, or a
"single-employer plan", within the meaning of Section 4001(a)(15) of ERISA, or
(ii) provides or promises to provide retiree medical or life insurance benefits.

                  (c) None of the Lynx Companies or any of their Affiliates has
incurred any liability under, arising out of or by operation of Title IV of
ERISA (other than liability for premiums to the Pension Benefit Guaranty
Corporation arising in the ordinary course). None of the assets of the Lynx
Companies or any of their Affiliates is the subject of any lien arising under
Section 302(f) of ERISA or Section 412(n) of the Code; none of the Lynx
Companies or any of their Affiliates has been required to post any security
under Section 307 of ERISA or Section 401(a)(29) of the Code; and no fact or
event exists which could give rise to any such lien or requirement to post any
such security.


                                       20
<PAGE>

                  (d) Except as set forth in SECTION 3.13(d) OF THE LYNX
DISCLOSURE SCHEDULE, (i) no benefit or any right to a benefit under any Lynx
Company Plan will become payable, accelerated or be enhanced in any way solely
by reason of the consummation of the transactions contemplated by this Agreement
or by reason of the consummation of the transactions contemplated by this
Agreement coupled with another event (e.g., termination of employment), and (ii)
any tax deduction otherwise allowable in respect of remuneration to current or
former Lynx Company employees or Affiliates payable upon or after the Closing
will not be disallowed by operation of Section 280G of the Code in respect of
the consummation of the transactions contemplated by this Agreement.

                  (e) Except as disclosed in SECTION 3.13(e) OF THE LYNX
DISCLOSURE SCHEDULE, none of the Lynx Companies is a party to any collective
bargaining or other labor union Contract applicable to any Lynx Company
employees. As of the date hereof, there is, to the knowledge of Lynx, no
material labor strike, slowdown or work stoppage pending or, to the knowledge of
Lynx, threatened in writing, which may interfere in any material respect with
the business activities of any of the Lynx Companies.

                  SECTION 3.14. TAXES. Each of the Lynx Companies has timely
filed or been included in, or will timely file or be included in, all material
Tax Returns required to be filed by it or in which it is to be included with
respect to Taxes for any period ending on or before the Closing Date and such
Tax Returns are or will be, as the case may be, accurate, complete and correct
in all material respects. All Taxes shown to be payable on such material Tax
Returns have been paid or will be paid except to the extent the same are being
contested in good faith and have been adequately reserved for. As of the date
hereof, there are no pending or threatened actions or proceedings for the
proposed assessment or assessment or collection of Taxes against any of the Lynx
Companies. There are no material Liens or other encumbrances for Taxes (other
than for Taxes not yet due and payable) upon the assets of the Lynx Companies.

                  SECTION 3.15. ENVIRONMENTAL MATTERS. Except as disclosed in
SECTION 3.15 OF THE LYNX DISCLOSURE SCHEDULE, to the knowledge of Lynx and Lynx
Parent, the Lynx Companies are in compliance with all applicable Environmental
Laws and have obtained and are in compliance with all applicable Environmental
Permits other than any non-compliance that would not have a Material Adverse
Effect.

                  SECTION 3.16. MATERIAL CONTRACTS. (a) SECTION 3.16(a) OF THE
LYNX DISCLOSURE SCHEDULE lists and briefly describes (including the parties to
and the date and subject matter of) as of the date hereof each of the following
Contracts of any of the Lynx Companies (such Contracts being "LYNX COMPANY
MATERIAL CONTRACTS"):

                  (i) each Contract for the purchase of materials or real or
         personal property with any supplier or for the furnishing of services
         to the Lynx Companies under the terms of which any of the Lynx
         Companies: (I) is likely to pay or otherwise give consideration of more
         than $100,000 in the aggregate during the calendar year ending December
         31,


                                       21
<PAGE>

         1999 or (II) is likely to pay or otherwise give consideration of
         more than $300,000 in the aggregate over the remaining term of such
         Contract;

                  (ii) each Contract for the sale of personal property or for
         the furnishing of services by any of the Lynx Companies which: (I) is
         likely to involve consideration of more than $250,000 in the aggregate
         during the calendar year ending December 31, 1999 or (II) is likely to
         involve consideration of more than $750,000 in the aggregate over the
         remaining term of the Contract;

                  (iii) all broker, distributor, dealer, manufacturer's
         representative, franchise, agency, sales promotion, market research,
         marketing consulting and advertising Contracts requiring payments in
         excess of $250,000, to which any Lynx Company is a party;

                  (iv) all management Contracts and Contracts with independent
         contractors or consultants (or similar arrangements) to which any Lynx
         Company is a party requiring payments in excess of $250,000 and which
         are not cancelable without penalty or further payment and without more
         than 30 days' notice;

                  (v) all Contracts relating to indebtedness of any Lynx Company
         which individually are in excess of $250,000;

                  (vi) all Contracts with any Governmental Authority to which
         any Lynx Company is a party;

                  (vii) all Contracts that limit or purport to limit the ability
         of any Lynx Company or any Person to compete in any line of business or
         with any other Person or in any geographic area or during any period of
         time;

                  (viii) all Contracts between or among any Lynx Company and any
         Affiliate of any Lynx Company;

                  (ix) all Contracts relating in whole or in part to
         Intellectual Property pursuant to which any Lynx Company obtains from a
         third party the right to sell, distribute, display or otherwise use
         data or works owned or controlled by such third party and that is (I)
         likely to involve consideration of more than $100,000 in the aggregate
         during the calendar year ending December 31, 1999 or (II) that does not
         involve any cash consideration but is otherwise material to any Lynx
         Company;

                  (x) all Contracts relating in whole or in part to Intellectual
         Property pursuant to which any Lynx Company grants to a third party the
         right to sell, distribute, display or otherwise use data or works owned
         or controlled by such Lynx Company and that is (I) likely to involve
         consideration of more than $100,000 in the aggregate during the
         calendar year ending December 31, 1999 or (II) that does not involve
         any cash consideration but is otherwise material to any Lynx Company;


                                       22
<PAGE>

                  (xi) all Contracts relating to employment of any Person by any
         of the Lynx Companies; and

                  (xii) all other Contracts whether or not made in the ordinary
         course of business, which are material to the conduct of the businesses
         of the Lynx Companies taken as a whole or the absence of which would
         have a Material Adverse Effect.

                  (b) Except as disclosed in SECTION 3.16(b) OF THE LYNX
DISCLOSURE SCHEDULE and except as would not, individually or in the aggregate,
have a Material Adverse Effect, each such Lynx Company Material Contract is
valid and binding on the Lynx Companies and is in full force and effect. Except
as would not, individually or in the aggregate, have a Material Adverse Effect,
no Lynx Company, or to the knowledge of Lynx or Lynx Parent, any other party
thereto, is in breach of, or in default under, any such Lynx Company Material
Contract.

                  (c) Except as disclosed in SECTION 3.16(c) OF THE LYNX
DISCLOSURE SCHEDULE, there is no Contract granting any Person any preferential
right to purchase any of the properties or assets of any Lynx Company.

                  SECTION 3.17. BROKERS. Other than Goldman Sachs & Co., no
broker, finder or investment banker is entitled to any brokerage, finder's or
other fee or commission in connection with the transactions contemplated by this
Agreement and the Ancillary Agreements based upon arrangements made by or on
behalf of the Lynx Companies or their Affiliates.

                  SECTION 3.18. QUESTIONABLE PAYMENTS. None of the Lynx
Companies nor, to the knowledge of Lynx or Lynx Parent, any director, officer,
agent, employee or other Person associated with or acting on behalf of the Lynx
Companies has, directly, or indirectly: used any corporate funds for unlawful
contributions, gifts, entertainment, or other unlawful expenses relating to
political activity; made any unlawful payment to foreign or domestic government
officials or employees or to foreign or domestic political parties or campaigns
from corporate funds; established or maintained any unlawful or unrecorded fund
of corporate monies or other assets; made any false or fictitious entry on the
books or records of the Lynx Companies; or made any bribe, kickback, or other
payment of a similar or comparable nature, whether lawful or not, to any Person
or entity, private or public, regardless of form, whether in money, property, or
services, to obtain favorable treatment in securing business or to obtain
special concessions, or to pay for favorable treatment for business secured or
for special concessions already obtained.

                  SECTION 3.19. NONDISTRIBUTIVE INTENT. Lynx Parent is acquiring
the Detective Shares to be issued pursuant to Section 2.07 hereof for its own
account (and not for the account of others) for investment and not with a view
to the distribution thereof. Lynx Parent acknowledges that the Detective Shares
are being issued to it pursuant to an exemption from registration under the
Securities Act and, accordingly, are restricted (as defined by the Securities
Act) and may not be resold without either subsequent registration under the
Securities Act or an appropriate exemption therefrom.


                                       23
<PAGE>


                  SECTION 3.20. EXCLUSIVITY OF REPRESENTATIONS. (a) THE
REPRESENTATIONS AND WARRANTIES MADE BY LYNX AND LYNX PARENT IN THIS AGREEMENT
AND THE ANCILLARY AGREEMENTS ARE IN LIEU OF AND ARE EXCLUSIVE OF ALL OTHER
REPRESENTATIONS AND WARRANTIES, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES. LYNX AND LYNX PARENT HEREBY DISCLAIM ANY SUCH OTHER OR IMPLIED
REPRESENTATIONS OR WARRANTIES, NOTWITHSTANDING THE DELIVERY OR DISCLOSURE TO
DETECTIVE, ACQUISITION SUB OR THEIR RESPECTIVE OFFICERS, DIRECTORS, EMPLOYEES,
AGENTS OR REPRESENTATIVES OF ANY DOCUMENTATION OR OTHER INFORMATION (INCLUDING
ANY FINANCIAL PROJECTIONS OR OTHER SUPPLEMENTAL DATA).

                  (b) Detective and Acquisition Sub acknowledge that (i) the
representations and warranties contained in Sections 3.05(b), 3.06, 3.07, 3.12,
3.13, 3.14, 3.15 and 3.16 are the only representations and warranties being made
with respect to (A) Intellectual Property, (B) compliance with or liability
under ERISA, (C) Taxes and (D) compliance with or liability under Environmental
Laws, respectively, or with respect to any Intellectual Property, employee
benefit, Tax or environmental, health or safety matter related in any way to the
Lynx Companies and their Affiliates or to this Agreement or its subject matter,
and (ii) no other representation or warranty contained in this Agreement shall
apply to any such matters and no other representation or warranty, express or
implied, is being made with respect thereto.


                                   ARTICLE IV

                        REPRESENTATIONS AND WARRANTIES OF
                          DETECTIVE AND ACQUISITION SUB

                  Detective and Acquisition Sub jointly and severally represent
and warrant to Lynx as follows:

                  SECTION 4.01. INCORPORATION AND AUTHORITY OF DETECTIVE AND
ACQUISITION SUB. Detective and Acquisition Sub are corporations duly
incorporated, validly existing and in good standing under the laws of their
jurisdiction of incorporation and have all necessary corporate power and
authority to enter into this Agreement and the Ancillary Agreements to which it
is a party, to carry out their obligations hereunder and thereunder and to
consummate the transactions contemplated hereby and thereby. The execution and
delivery of this Agreement and such Ancillary Agreements by Detective and
Acquisition Sub, the performance by Detective and Acquisition Sub of their
obligations hereunder and thereunder and the consummation by Detective and
Acquisition Sub of the transactions contemplated hereby and thereby have been
duly authorized by all requisite corporate action on the part of Detective and
Acquisition Sub. This Agreement has been, and upon execution such Ancillary
Agreements will be, duly executed and delivered by Detective and Acquisition
Sub, and (assuming due authorization, execution and


                                       24
<PAGE>

delivery by Lynx and each Affiliate of Lynx executing this Agreement or one or
more of such Ancillary Agreements) this Agreement constitutes, and upon
execution such Ancillary Agreements will constitute, legal, valid and binding
obligations of Detective and Acquisition Sub enforceable against Detective and
Acquisition Sub in accordance with their terms.

                  SECTION 4.02. CAPITAL STOCK OF DETECTIVE; DETECTIVE'S
SUBSIDIARIES. (a) As of the date hereof, the authorized capital stock of
Detective consists of 75,000,000 shares of common stock, par value $.01 per
share (the "DETECTIVE COMMON STOCK"), and 5,000,000 shares of Preferred Stock,
par value $.01 per share. As of November 10, 1999, 34,463,700 shares of
Detective Common Stock are validly issued, outstanding, fully paid and
nonassessable, and have been issued in compliance with all applicable federal
and, to the knowledge of Detective, state securities laws. 2,981,350 shares of
Detective Common Stock are held as treasury stock. No other shares of capital
stock of Detective have been issued or are outstanding. SECTION 4.02 OF THE
DETECTIVE DISCLOSURE SCHEDULE describes the nature, holder, exercise price and
other material terms of each outstanding Option of Detective, in each case, as
of the date hereof. Except as disclosed in SECTION 4.02 OF THE DETECTIVE
DISCLOSURE SCHEDULE, there are no outstanding Options or agreements,
arrangements or understandings to issue Options with respect to Detective and
there are no preemptive rights or agreements, arrangements or understandings to
issue preemptive rights with respect to the issuance or sale of Detective's
capital stock. On the Closing Date, the delivery to Lynx Parent of the
certificate or certificates representing the Detective Shares will vest in Lynx
Parent good and valid title to such Detective Shares, free and clear of all
Liens, and such Detective Shares will have been duly authorized, validly issued,
fully paid and nonassessable. Detective has taken all necessary corporate
actions to reserve the full number of shares of Detective Common Stock issuable
upon exercise of the Lynx Option. The Detective Common Stock issuable upon
exercise of the Lynx Option, when issued, will be duly authorized, validly
issued, fully paid and nonassessable. Except as set forth herein or in SECTION
4.02 OF THE DETECTIVE DISCLOSURE SCHEDULE, neither the execution, delivery or
performance by Detective or Acquisition Sub of this Agreement or the Ancillary
Agreements, the issuance of the Detective Shares or the Lynx Option as
contemplated hereby, the issuance of shares of Detective Common Stock upon
conversion of the Lynx Option, the performance by Detective or Acquisition Sub
of its respective obligations under the Ancillary Agreements nor the exercise by
any holder of the Detective Shares of the rights granted to such holder under
the Ancillary Agreements, will give rise to or result in (with or without
notice, lapse of time or both) any antidilution adjustment (other than as
disclosed in SECTION 4.02 OF THE DETECTIVE DISCLOSURE SCHEDULE), acceleration of
vesting or other change under or to any Option. Neither Detective nor
Acquisition Sub is a party or subject to any agreement or understanding and, to
the knowledge of Detective, there is no agreement or understanding between or
among Persons which relates to the voting or giving of written consents or
nominating directors, with respect to Detective, any of its Subsidiaries or any
of their respective securities.


                  (b) Each Subsidiary of Detective is a corporation duly
organized, validly existing and in good standing under the Laws of its
jurisdiction of incorporation and has full corporate power and authority to
conduct its business as and to the extent now conducted, to own, use and lease
its assets and properties and to enter into this Agreement and/or the Ancillary


                                       25
<PAGE>

Agreements to which it is a party. SECTION 4.02(b) OF THE DETECTIVE DISCLOSURE
SCHEDULE lists each Detective Subsidiary. Except as set forth in SECTION 4.02(b)
OF THE DETECTIVE DISCLOSURE SCHEDULE, each such Subsidiary is duly qualified,
licensed or admitted to do business and is in good standing in those
jurisdictions in which the ownership, use or leasing of such Subsidiary's assets
and properties, or the conduct or nature of its business, makes such
qualification, licensing or admission necessary except where the failure to be
so qualified, licensed or admitted would not have a Material Adverse Effect.
SECTION 4.02(b) OF THE DETECTIVE DISCLOSURE SCHEDULE lists for each Detective
Subsidiary and, to Detective's knowledge for Marksman, the amount of its
authorized and outstanding capital stock or issued share capital. All of the
outstanding shares of capital stock or issued share capital, of each Detective
Subsidiary, and those shares of the capital stock of Marksman owned by
Detective, have been duly authorized and validly issued, are fully paid and
nonassessable, and, except as set forth in SECTION 4.02(b) OF THE DETECTIVE
DISCLOSURE SCHEDULE, are wholly owned, beneficially and of record, by Detective
or its Subsidiaries free and clear of all Liens. Except as set forth in SECTION
4.02(b) OF THE DETECTIVE DISCLOSURE SCHEDULE, there are no outstanding Options
with respect to any Detective Subsidiary and no agreements, arrangements or
understandings to issue Options with respect to any Detective Subsidiary and
there are no preemptive rights or agreements, arrangements or understandings to
issue preemptive rights with respect to any Detective Subsidiary. Other than as
listed in SECTION 4.02(b) OF THE DETECTIVE DISCLOSURE SCHEDULE, and except for
the capital stock of the Detective Subsidiaries and Marksman, neither Detective
nor the Detective Subsidiaries hold any equity, partnership, joint venture or
other interest in any Person. There are no Liens on any shares of capital stock
of any of the Detective Subsidiaries or on those shares of the capital stock of
Marksman owned by Detective other than Permitted Liens or Liens created by Lynx
or its Affiliates, except as set forth as SECTION 4.02(b) OF THE DETECTIVE
DISCLOSURE SCHEDULE.

                  (c) Other than in connection with the transactions
contemplated by this Agreement, since its date of incorporation, Acquisition Sub
has not conducted any business, has not owned, leased or operated any real
property or other assets and has not incurred and is not subject to any
liabilities or obligations of any nature, whether or not accrued, contingent or
otherwise.

                  SECTION 4.03. NO CONFLICT. Assuming all consents, approvals,
authorizations and other actions described in Section 4.04 have been obtained,
and except as may result from any facts or circumstances relating solely to the
Lynx Companies or any of their Affiliates or as described in SECTION 4.03 OF THE
DETECTIVE DISCLOSURE SCHEDULE, the execution, delivery and performance of this
Agreement and the Ancillary Agreements to which either is a party by Detective
or Acquisition Sub does not and will not (a) violate or conflict with the
Certificate of Incorporation, other constitutive documents or by-laws of
Detective or Acquisition Sub, (b) conflict with or violate any Law or
Governmental Order applicable to Detective or any of its Subsidiaries, or (c)
result in any breach of, or constitute a default (or event which with the giving
of notice or lapse of time, or both, would become a default) under, or give to
any Person any rights of termination, amendment, acceleration or cancellation
of, or result in the creation of any Lien on Detective or any of its
Subsidiaries pursuant to, any Contract, License or other material instrument to
which Detective or any of its Subsidiaries is a party or by which Detective, any
of


                                       26
<PAGE>

its Subsidiaries or any of their assets are bound or affected, except, in the
case of clauses (b) and (c) above, (i) for conflicts, violations, breaches,
defaults, rights of termination, amendment, acceleration or cancellation, or
Liens as would not, individually or in the aggregate, (A) have a Material
Adverse Effect, (B) impair the ability of Detective or Acquisition Sub to
perform their respective obligations under this Agreement or any of the
Ancillary Agreements to which either is a party or (C) prevent or materially
delay the consummation of the transactions contemplated by this Agreement or any
of the Ancillary Agreements, or (ii) for Liens created by or through Lynx or any
of its Affiliates.

                  SECTION 4.04. CONSENTS AND APPROVALS. The execution and
delivery of this Agreement and each Ancillary Agreement to which either is a
party by Detective or Acquisition Sub, does not, and the performance of this
Agreement and each such Ancillary Agreement by Detective or Acquisition Sub will
not, require any consent, approval, authorization or other action by, or filing
with or notification to, any Governmental Authority, except (a) as described in
SECTION 4.04 OF THE DETECTIVE DISCLOSURE SCHEDULE, (b) the notification
requirements of the HSR Act and applicable filings, notifications or receipts of
any required clearances under foreign antitrust and competition Laws, (c) where
failure to obtain such consent, approval, authorization or action, or to make
such filing or notification, would not, individually or in the aggregate, (A)
have a Material Adverse Effect, (B) impair the ability of Detective or
Acquisition Sub to perform their respective obligations under this Agreement or
any of the Ancillary Agreements to which either is a party or (C) prevent or
materially delay the consummation of the transactions contemplated by this
Agreement or any of the Ancillary Agreements, and (d) as may be necessary as a
result of any facts or circumstances relating solely to Lynx or any of its
Affiliates.

                  SECTION 4.05. SEC DOCUMENTS; FINANCIAL INFORMATION. (a) Each
report, schedule, form, statement and other document required to be filed by
Detective with the SEC (each an "SEC DOCUMENT", and collectively, the "SEC
DOCUMENTS") has been so filed. As of its filing date, each SEC Document, and any
SEC Documents that will be filed prior to or after the Closing, complied or will
comply in all material respects with the applicable requirements of the
Securities Act and the Exchange Act. None of the SEC Documents, except to the
extent that information contained therein has been revised or superseded by an
SEC Document subsequently filed with the SEC, contains or will contain any
untrue statement of a material fact or omits, omitted or will omit to state a
material fact (x) necessary in order to make the statements therein, in light of
the circumstances under which they were made, not misleading or (y) required to
be stated therein or necessary to make the statements therein not misleading.
The financial statements of Detective and the Subsidiaries included in the SEC
Documents comply in all material respects with applicable requirements under the
Securities Act and the Exchange Act and any other published rules and
regulations of the SEC with respect to accounting requirements, have been
prepared in accordance with U.S. generally accepted accounting principles
(except as may be indicated in the notes thereto) and fairly present the
consolidated financial position of Detective and its Subsidiaries as of the
respective dates thereof and the consolidated results of their operations and
cash flows for the respective periods then ended (subject, in the case of
unaudited statements, to normal year-end audit adjustments which will not have
or reflect a Material Adverse Effect).



                                       27
<PAGE>

                  (b) Except as set forth in SECTION 4.05(b) OF THE DETECTIVE
DISCLOSURE SCHEDULE and except for Liabilities incurred in the ordinary course
of business since June 30, 1999, there are no material Liabilities of Detective
or any of its Subsidiaries which are not reflected or disclosed in the SEC
Documents.

                  (c) To the knowledge of Detective, each report, schedule, form
and other document filed by Marksman with the SEC complies in all material
respects with the applicable requirements of the Securities Act and the Exchange
Act. To the knowledge of Detective, none of such documents, except to the extent
information contained therein has been revised or superseded by another such
document subsequently filed with the SEC, contains or will contain any untrue
statement of a material fact or omits, omitted or will omit to state a material
fact (x) necessary in order to make the statements therein, in light of the
circumstances under which they were made, not misleading or (y) required to be
stated therein to make the statements therein not misleading. To the knowledge
of Detective, except as set forth in SECTION 4.05(c) OF THE DETECTIVE DISCLOSURE
SCHEDULE and except for liabilities incurred in the ordinary course of business
since June 30, 1999, there are no material liabilities of Marksman which are not
reflected or disclosed in such documents.

                  SECTION 4.06. ABSENCE OF CERTAIN CHANGES OR EVENTS. Since June
30, 1999, except (i) as disclosed in SECTION 4.06 OF THE DETECTIVE DISCLOSURE
SCHEDULE, or (ii) as contemplated by this Agreement, the businesses of Detective
and its Subsidiaries have been conducted in the ordinary course and there has
not been any Material Adverse Effect. None of the other representations or
warranties set forth in this Agreement shall be deemed to limit the foregoing.
In addition, without limiting the foregoing, except (i) as disclosed in SECTION
4.06 OF THE DETECTIVE DISCLOSURE SCHEDULE, or (ii) as contemplated by this
Agreement there has not occurred since June 30, 1999:

                  (a) any declaration, setting aside or payment of any dividend
         or other distribution in respect of the capital stock or share capital
         of Detective or any of its Subsidiaries, or any direct or indirect
         redemption, purchase or other acquisition by Detective or any of its
         Subsidiaries of any such capital stock or share capital of, or any
         Option with respect to, Detective or any of its Subsidiaries;

                  (b) except for the execution, delivery and performance by
         Detective and Acquisition Sub of this Agreement and the transactions
         contemplated hereby, any authorization, issuance, sale or other
         disposition by Detective or any of its Subsidiaries of any shares of
         capital stock or issued shares of, or any Option with respect to,
         Detective or any of its Subsidiaries, or any modification or amendment
         of any right of any holder of any outstanding shares of capital stock
         or issued shares of, or any Option with respect to, Detective or any of
         its Subsidiaries;

                  (c) incurrences by Detective or any of its Subsidiaries of
         indebtedness or any voluntary purchase, cancellation, prepayment or
         complete or partial discharge in advance


                                       28
<PAGE>

         of a scheduled payment date with respect to, or waiver of any right of
         Detective or any of its Subsidiaries under, any indebtedness of or
         owing to Detective or any of its Subsidiaries (in either case other
         than any indebtedness of Detective or any of its Subsidiaries owing to
         Detective or any of its Subsidiaries);

                  (d) any physical damage, destruction or other casualty loss
         (whether or not covered by insurance) affecting any of the real or
         personal property or equipment of Detective or any of its Subsidiaries
         in an aggregate amount exceeding $100,000;

                  (e) any write-off or write-down of or any determination to
         write off or write down any of the assets and properties of Detective
         or any of its Subsidiaries in an aggregate amount exceeding $100,000;

                  (f) any acquisition of any assets and properties of any Person
         or license or disposition of, or incurrence of a Lien (other than a
         Permitted Lien or any Lien in aggregate amount less than $100,000) on,
         any assets and properties of Detective or any of its Subsidiaries, in
         each case, other than acquisitions, licenses or dispositions of
         products and services in the ordinary course of business of Detective
         or any of its Subsidiaries consistent with past practice or any Lien in
         aggregate amount less than $100,000);

                  (g) any commencement, termination or change by Detective or
         any of its Subsidiaries of any line of business;

                  (h) any transaction by Detective or any of its Subsidiaries
         with any officer, director, stockholder, Affiliate or associate of
         Detective or any of its Subsidiaries, other than pursuant to any
         Contract in effect on June 30, 1999 and disclosed to Lynx pursuant to
         SECTION 4.16(a) OF THE DETECTIVE DISCLOSURE SCHEDULE or other than
         pursuant to any contract of employment listed pursuant to SECTION
         4.16(a) OF THE DETECTIVE DISCLOSURE SCHEDULE;

                  (i) any change in accounting or Tax principles, methods or
         practices; or

                  (j) (i) any granting by Detective or any of its Subsidiaries
         to any current or former director, executive officer or other employee
         of Detective or any of its Subsidiaries of any increase in
         compensation, bonus or other benefits, except for normal increases in
         cash compensation in the ordinary course of business consistent with
         past practice or as was required under any employment agreements in
         effect as of the date of the most recent financial statements included
         in the SEC Documents, (ii) any granting by Detective or any of its
         Subsidiaries to any such current or former director, executive officer
         or employee of any increase in severance or termination pay, (iii) any
         entry by Detective or any of its Subsidiaries into, or any amendments
         of, any employment, deferred compensation, consulting, severance,
         termination or indemnification agreement with any such current or
         former director, executive officer or employee or (iv) any amendment
         to, or modification of, any Option or the benefits under any Detective
         Plan.


                                       29
<PAGE>


                  SECTION 4.07. ABSENCE OF LITIGATION. As of the date hereof,
except as set forth in SECTION 4.07 OF THE DETECTIVE DISCLOSURE SCHEDULE, there
are no Actions pending or, to the knowledge of Detective threatened, against
Detective or any of its Subsidiaries, or to which any of the Detective Shares
are subject, that (a) would reasonably be expected to have, individually or in
the aggregate, a Material Adverse Effect or that would materially impair
Detective's or Acquisition Sub's ability to consummate the Merger or (b) are
required under the Exchange Act to be described in any SEC Documents.

                  SECTION 4.08. COMPLIANCE WITH LAWS. Neither Detective nor any
of its Subsidiaries is in violation of any Laws (including, without limitation,
the Advisers Act, the Exchange Act and the rules of the NASD) or any
Governmental Orders applicable to Detective or any of its Subsidiaries, the
Detective Shares or by which any of them is bound, except (i) as set forth in
SECTION 4.08 OF THE DETECTIVE DISCLOSURE SCHEDULE and (ii) for violations the
existence of which would not, individually or in the aggregate, have a Material
Adverse Effect.

                  SECTION 4.09. GOVERNMENTAL LICENSES AND PERMITS. Detective or
its Subsidiaries hold all Licenses necessary to the operation of their
businesses as currently operated and are in compliance with the terms of such
Licenses, except (a) as set forth in SECTION 4.09 OF THE DETECTIVE DISCLOSURE
SCHEDULE or (b) for violations, the existence of which would not, individually
or in the aggregate, have a Material Adverse Effect.

                  SECTION 4.10. TANGIBLE PERSONAL PROPERTY. Except as disclosed
in SECTION 4.10 OF THE DETECTIVE DISCLOSURE SCHEDULE, Detective or its
Subsidiaries are in possession of and have good and marketable title to, or have
valid leasehold interests in or valid rights under Contract to use, all tangible
personal property used in the conduct of their businesses, including all
tangible personal property reflected on the financial statements contained in
the SEC Documents and tangible personal property acquired since June 30, 1999
other than property disposed of since such date in the ordinary course of
business consistent with past practice and the terms of this Agreement. Except
as disclosed in SECTION 4.10 OF THE DETECTIVE DISCLOSURE SCHEDULE, all such
tangible personal property is free and clear of all Liens, other than Permitted
Liens or Liens created by or through Lynx or any of its Affiliates, and is in
good working order and condition, ordinary wear and tear excepted, and its use
complies in all material respects with all applicable Laws and, to the knowledge
of Detective, is adequate and suitable for the conduct by Detective and its
Subsidiaries of the businesses presently conducted by them.

                  SECTION 4.11. REAL PROPERTY. Neither Detective nor any of its
Subsidiaries owns any real property. Each parcel of real property leased by
Detective or any of its Subsidiaries including, without limitation, those
properties set forth in SECTION 4.11 OF THE DETECTIVE DISCLOSURE SCHEDULE (the
"DETECTIVE LEASED REAL PROPERTY"), is leased, free and clear of all Liens,
except (i) as disclosed in SECTION 4.11 OF THE DETECTIVE DISCLOSURE SCHEDULE,
(ii) Permitted Liens and (iii) Liens created by or through Lynx or any of its
Affiliates.


                                       30
<PAGE>


                  SECTION 4.12. INTELLECTUAL PROPERTY. (a) Detective or its
Subsidiaries own exclusively or have the right to use all Intellectual Property
and commercially available shrink-wrapped software that is material to the
operation of Detective or any of its Subsidiaries ("DETECTIVE OWNED INTELLECTUAL
PROPERTY", "DETECTIVE LICENSED INTELLECTUAL PROPERTY" or "DETECTIVE
SHRINK-WRAPPED SOFTWARE", as applicable). SECTION 4.12(a) OF THE DETECTIVE
DISCLOSURE SCHEDULE sets forth a true and complete list of all material
registered patents and patent applications, common law trademarks, registered
trademarks and trademark applications, copyright registrations, domain name
registrations and Software owned by Detective or any of its Subsidiaries. Except
as would not have a Material Adverse Effect, the Detective Owned Intellectual
Property, the Detective Licensed Intellectual Property and the Detective
Shrink-Wrapped Software collectively constitute all of the Intellectual Property
necessary for the continued operation of the businesses of Detective or any of
its Subsidiaries.

                  (b) Except for such infringements as would not, individually
or in the aggregate, have a Material Adverse Effect (i) the Detective Owned
Intellectual Property does not infringe upon the Intellectual Property rights of
any third party, and (ii) no written claim has been asserted to Detective or any
of its Subsidiaries which is currently pending or, to the knowledge of
Detective, threatened that the use of such Detective Owned Intellectual Property
or Detective Licensed Intellectual Property in a manner consistent with past
practice does or may infringe upon the Intellectual Property rights of any third
party.

                  (c) To the knowledge of Detective, Detective or its
Subsidiaries are the exclusive owners of the entire right, title and interest in
and to all Detective Owned Intellectual Property and are entitled to use all
Detective Owned Intellectual Property, Detective Licensed Intellectual Property
and Detective Shrink-Wrapped Software in the continued operation of its
businesses in a manner consistent in all material respects with past practice.

                  (d) To the knowledge of Detective, except as set forth in
SECTION 4.12(d) OF THE DETECTIVE DISCLOSURE SCHEDULE, no Person is engaging in
any activity that infringes upon the Detective Owned Intellectual Property.
Except as would not, individually or in the aggregate, have a Material Adverse
Effect, the consummation of the transactions contemplated by this Agreement will
not result in the termination or impairment of any of the Detective Owned
Intellectual Property, Detective Licensed Intellectual Property or Detective
Shrink-Wrapped Software, or any license relating thereto.

                  (e) Neither Detective nor any of its Subsidiaries is in breach
of, or default under, any material term of any license or sublicense of the
Detective Owned Intellectual Property, Detective Licensed Intellectual Property
or Detective Shrink-Wrapped Software, and, to the knowledge of Detective, no
other party to such license or sublicense is in breach thereof or default
thereunder, except in any such case as would not, individually or in the
aggregate, have a Material Adverse Effect.

                  (f) Detective or its Subsidiaries have (i) initiated a review
and assessment of the business operations of Detective and its Subsidiaries
(including those areas affected by


                                       31
<PAGE>

suppliers and vendors) that could reasonably be affected by the Year 2000
Problem, (ii) developed a comprehensive plan, which has been delivered to Lynx
on or before the date hereof (the "DETECTIVE YEAR 2000 PLAN"), to address the
Year 2000 Problem, and (iii) implemented and complied with (including dates by
which steps and actions are to be taken and performed by) the Detective Year
2000 Plan in accordance with the terms thereof. The Detective Year 2000 Plan
includes all appropriate, necessary and timely steps, actions and plans to make
Detective and its Subsidiaries Year 2000 Compliant in accordance with the
methods and the time frames set forth therein. As of the date hereof, there are
no issues or events that prevent Detective and its Subsidiaries from fully
addressing the Year 2000 Problem consistent with the terms of the Detective Year
2000 Plan. All Third Party Software and all hardware used by Detective or its
Subsidiaries has been certified by the providers thereof to be Year 2000
Compliant for the intended uses and purposes of such Third Party Software and
such hardware.

                  (g) To the knowledge of Detective, except as set forth in
SECTION 4.12(g) OF THE DETECTIVE DISCLOSURE SCHEDULE, there are no Contracts of
Detective or any of its Subsidiaries under which such company makes a Year 2000
warranty that do not limit or cap the Liability of Detective or any of its
Subsidiaries with respect to any Year 2000 Problem.

                  SECTION 4.13. EMPLOYEE BENEFITS MATTERS. (a) SECTION 4.13(a)
OF THE DETECTIVE DISCLOSURE SCHEDULE contains a true and complete list of all
employee benefit plans (within the meaning of Section 3(3) of ERISA), all bonus,
stock option, stock purchase, restricted stock, incentive, deferred
compensation, supplemental retirement, severance or other benefit plans,
programs or arrangements, and all employment, termination, severance or other
Contracts or agreements with respect to which Detective or any of its
Subsidiaries has any obligation and which are maintained, contributed to or
sponsored by Detective or any of its Subsidiaries for the benefit of any current
or former employee of Detective or any of its Subsidiaries (collectively, the
"DETECTIVE PLANS").

                  (b) Except as otherwise disclosed in SECTION 4.13(b) OF THE
DETECTIVE DISCLOSURE SCHEDULE, none of the Detective Plans (i) is a
"multiemployer plan", within the meaning of Section 3(37) or 4001(a)(3) of
ERISA, or a "single-employer plan", within the meaning of Section 4001(a)(15) of
ERISA, or (ii) provides or promises to provide retiree medical or life insurance
benefits.

                  (c) Neither Detective nor any of its Affiliates has incurred
any liability under, arising out of or by operation of Title IV of ERISA (other
than liability for premiums to the Pension Benefit Guaranty Corporation arising
in the ordinary course). None of the assets of Detective or any of its
Affiliates is the subject of any lien arising under Section 302(f) of ERISA or
Section 412(n) of the Code; neither Detective nor any of its Affiliates has been
required to post any security under Section 307 of ERISA or Section 401(a)(29)
of the Code; and no fact or event exists which could give rise to any such lien
or requirement to post any such security.

                  (d) Except as set forth in SECTION 4.13(d) OF THE DETECTIVE
DISCLOSURE SCHEDULE, (i) no benefit or any right to a benefit under any
Detective Plan will become payable,


                                       32
<PAGE>

accelerated or be enhanced in any way solely by reason of the consummation of
the transactions contemplated by this Agreement or by reason of the consummation
of the transactions contemplated by this Agreement coupled with another event
(E.G., termination of employment), and (ii) any tax deduction otherwise
allowable in respect of remuneration to current or former Detective employees or
Affiliates payable upon or after the Closing will not be disallowed by operation
of Section 280G of the Code in respect of the consummation of the transactions
contemplated by this Agreement.

                  (e) Except as disclosed in SECTION 4.13(e) OF THE DETECTIVE
DISCLOSURE SCHEDULE, neither Detective nor any of its Subsidiaries is a party to
any collective bargaining or other labor union Contract applicable to any
employees of Detective or any of its Subsidiaries. As of the date hereof, there
is, to the knowledge of Detective, no material labor strike, slowdown or work
stoppage pending or, to the knowledge of Detective, threatened in writing, which
may interfere in any material respect with the business activities of Detective
or any of its Subsidiaries.

                  SECTION 4.14. TAXES. Detective and its Subsidiaries have
timely filed or been included in, or will timely file or be included in, all
material Tax Returns required to be filed by them or in which they are to be
included with respect to Taxes for any period ending on or before the Closing
Date and such Tax Returns are or will be, as the case may be, accurate, complete
and correct in all material respects. All Taxes shown to be payable on such
material Tax Returns have been paid or will be paid except to the extent the
same are being contested in good faith and have been adequately reserved for. As
of the date hereof, there are no pending or threatened actions or proceedings
for the proposed assessment or assessment or collection of Taxes against
Detective or any of its Subsidiaries. There are no material Liens or other
encumbrances for Taxes (other than for Taxes not yet due and payable) upon the
assets of Detective or any of its Subsidiaries.

                  SECTION 4.15. ENVIRONMENTAL MATTERS. Except as disclosed in
SECTION 4.15 OF THE DETECTIVE DISCLOSURE SCHEDULE, to Detective's knowledge,
Detective and its Subsidiaries are in compliance with all applicable
Environmental Laws and have obtained and are in compliance with all applicable
Environmental Permits other than any non-compliance that would not have a
Material Adverse Effect.

                  SECTION 4.16. MATERIAL CONTRACTS. (a) SECTION 4.16(a) OF THE
DETECTIVE DISCLOSURE SCHEDULE lists and briefly describes (including the parties
to and the date and subject matter of) as of the date hereof each of the
following Contracts of Detective or its Subsidiaries (such Contracts being
"DETECTIVE MATERIAL CONTRACTS"):

                  (i) each Contract for the purchase of materials or real or
         personal property with any supplier or for the furnishing of services
         to Detective or any of its Subsidiaries under the terms of which
         Detective or any of its Subsidiaries: (I) is likely to pay or otherwise
         give consideration of more than $100,000 in the aggregate during the
         calendar


                                       33
<PAGE>

         year ending December 31, 1999 or (II) is likely to pay or otherwise
         give consideration of more than $300,000 in the aggregate over the
         remaining term of such Contract;

                  (ii) each Contract for the sale of personal property or for
         the furnishing of services by Detective or any of its Subsidiaries
         which: (I) is likely to involve consideration of more than $250,000 in
         the aggregate during the calendar year ending December 31, 1999 or (II)
         is likely to involve consideration of more than $750,000 in the
         aggregate over the remaining term of the Contract;

                  (iii) all broker, distributor, dealer, manufacturer's
         representative, franchise, agency, sales promotion, market research,
         marketing consulting and advertising Contracts requiring payments in
         excess of $250,000, to which Detective or any of its Subsidiaries is a
         party;

                  (iv) all management Contracts and Contracts with independent
         contractors or consultants (or similar arrangements) to which Detective
         or any of its Subsidiaries is a party requiring payments in excess of
         $250,000 and which are not cancelable without penalty or further
         payment and without more than 30 days' notice;

                  (v) all Contracts relating to indebtedness of Detective or any
         of its Subsidiaries which individually are in excess of $250,000;

                  (vi) all Contracts with any Governmental Authority to which
         Detective or any of its Subsidiaries is a party;

                  (vii) all Contracts that limit or purport to limit the ability
         of Detective or any of its Subsidiaries or any Person to compete in any
         line of business or with any other Person or in any geographic area or
         during any period of time;

                  (viii) all Contracts between or among Detective or any of its
         Subsidiaries and any Affiliate of Detective;

                  (ix) all Contracts relating in whole or in part to
         Intellectual Property pursuant to which Detective or any of its
         Subsidiaries obtains from a third party the right to sell, distribute,
         display or otherwise use data or works owned or controlled by such
         third party and that is (I) likely to involve consideration of more
         than $100,000 in the aggregate during the calendar year ending December
         31, 1999 or (II) that does not involve any cash consideration but is
         otherwise material to Detective or any of its Subsidiaries;

                  (x) all Contracts relating in whole or in part to Intellectual
         Property pursuant to which Detective or any of its Subsidiaries grants
         to a third party the right to sell, distribute, display or otherwise
         use data or works owned or controlled by Detective or any of its
         Subsidiaries and that is (I) likely to involve consideration of more
         than $100,000 in the aggregate during the calendar year ending December
         31, 1999 or (II) that


                                       34
<PAGE>

         does not involve any cash consideration but is otherwise material
         to Detective or any of its Subsidiaries;

                  (xi) all Contracts relating to employment of any Person by
         Detective or its Subsidiaries; or

                  (xii) all other Contracts whether or not made in the ordinary
         course of business, which are material to the conduct of the businesses
         of Detective or any of its Subsidiaries taken as a whole or the absence
         of which would have a Material Adverse Effect.

                  (b) Except as disclosed in SECTION 4.16(b) OF THE DETECTIVE
DISCLOSURE SCHEDULE and except as would not, individually or in the aggregate,
have a Material Adverse Effect, each such Detective Material Contract is valid
and binding on Detective or its Subsidiaries and is in full force and effect.
Except as would not, individually or in the aggregate, have a Material Adverse
Effect, neither Detective nor any of its Subsidiaries, nor to the knowledge of
Detective any other party thereto, is in breach of, or in default under, any
such Detective Material Contract.

                  (c) There is no Contract granting any Person any preferential
right to purchase any of the properties or assets of Detective or any of its
Subsidiaries.

                  SECTION 4.17. BROKERS. Other than Hambrecht and Quist LLC, and
as described in SECTION 6.01 OF THE DETECTIVE DISCLOSURE SCHEDULE, no broker,
finder or investment banker is entitled to any brokerage, finder's or other fee
or commission in connection with the transactions contemplated by this Agreement
and the Ancillary Agreements based upon arrangements made by or on behalf of
Detective or its Affiliates.

                  SECTION 4.18. INSURANCE. Detective and its Subsidiaries carry
all liability, property, workers' compensation, directors' and officers'
liability and other insurance policies in amounts and have coverages that are
reasonable and customary for Persons engaged in the businesses and operations of
Detective and its Subsidiaries.

                  SECTION 4.19. REGISTRATION RIGHTS. Except as disclosed in
SECTION 4.19 OF THE DETECTIVE DISCLOSURE SCHEDULE and for the rights granted
pursuant to the Registration Rights Agreement, Detective has not granted
registration rights to any holder of any of the securities of Detective.

                  SECTION 4.20. NASD MATTERS. The Detective Common Stock is
listed on the NASDAQ National Market, and the listing agreement between the NASD
and Detective with respect thereto is in full force and effect. The Detective
Shares and the maximum number of shares of Detective Common Stock issuable upon
exercise of the Lynx Option will be approved for listing on the NASDAQ National
Market upon the approval by the NASD of the Company's listing application for
additional shares filed pursuant to the terms of Section 5.07.


                                       35
<PAGE>

                  SECTION 4.21. STATE ANTI-TAKEOVER STATUTES; ANTI-TAKEOVER
DEFENSES. No "fair price," "moratorium," "control share acquisition" or other
similar anti-takeover statute or regulation, including the restrictions
contained in Section 203 of the DGCL, or any anti-takeover provision in
Detective's Certificate of Incorporation or by-laws is, or at or after the
Effective Time will be, applicable to Lynx, Lynx Parent, any of the Lynx
Companies, the Merger or the other transactions contemplated by this Agreement
or the Ancillary Agreements (or the exercise of any rights hereunder or
thereunder). The Board of Directors of Detective has approved the Merger and the
other transactions contemplated by this Agreement and the Ancillary Agreements
for all purposes of the DGCL. Neither Detective nor any of its Subsidiaries has
adopted a stockholder rights plan, poison pill or other anti-takeover measure.

                  SECTION 4.22. VOTE REQUIRED. The only vote of the holders of
any class or series of capital stock necessary to approve this Agreement and the
transactions contemplated hereby (including, without limitation, the Amended
Charter) on behalf of Detective and Acquisition Sub is the affirmative vote of
the holders of a majority of the outstanding shares of Detective Common Stock
and the affirmative vote of the holders of a majority of the common stock of
Acquisition Sub.

                  SECTION 4.23. OPINION OF FINANCIAL ADVISERS. Detective has
received the opinion of its financial advisers, dated the date of this
Agreement, to the effect that, as of such date, the transactions contemplated by
this Agreement and the Ancillary Agreements are fair, from a financial point of
view, to the stockholders of Detective, a signed copy of which has been
delivered to Lynx.

                  SECTION 4.24. QUESTIONABLE PAYMENTS. Neither Detective, any of
its Subsidiaries, nor, to the knowledge of Detective, any director, officer,
agent, employee or other Person associated with or acting on behalf of Detective
or any of its Subsidiaries has, directly, or indirectly: used any corporate
funds for unlawful contributions, gifts, entertainment, or other unlawful
expenses relating to political activity; made any unlawful payment to foreign or
domestic government officials or employees or to foreign or domestic political
parties or campaigns from corporate funds; established or maintained any
unlawful or unrecorded fund of corporate monies or other assets; made any false
or fictitious entry on the books or records of Detective or any of its
Subsidiaries; or made any bribe, kickback, or other payment of a similar or
comparable nature, whether lawful or not, to any Person or entity, private or
public, regardless of form, whether in money, property, or services, to obtain
favorable treatment in securing business or to obtain special concessions, or to
pay for favorable treatment for business secured or for special concessions
already obtained.

                  SECTION 4.25. REPRESENTATIONS RELATING TO MARKSMAN. Except as
set forth in SECTION 4.25 OF THE DETECTIVE DISCLOSURE SCHEDULE, to the knowledge
of Detective, the representations and warranties contained in Sections 4.03,
4.06, 4.07, 4.08, 4.09, 4.10, 4.12 (except with regard to the second and third
sentences of Section 4.12(a)), 4.13(e), 4.14, 4.15, 4.16(c), 4.18 and 4.24,
insofar as they relate to Subsidiaries of Detective, are true and correct


                                       36
<PAGE>

with regard to Marksman (assuming Marksman is a Subsidiary of Detective for
purposes of such representations and warranties).

                  SECTION 4.26. EXCLUSIVITY OF REPRESENTATIONS. (a) THE
REPRESENTATIONS AND WARRANTIES MADE BY DETECTIVE AND ACQUISITION SUB IN THIS
AGREEMENT AND THE ANCILLARY AGREEMENTS ARE IN LIEU OF AND ARE EXCLUSIVE OF ALL
OTHER REPRESENTATIONS AND WARRANTIES, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES. DETECTIVE AND ACQUISITION SUB HEREBY DISCLAIM ANY SUCH OTHER OR
IMPLIED REPRESENTATIONS OR WARRANTIES, NOTWITHSTANDING THE DELIVERY OR
DISCLOSURE TO LYNX OR ITS OFFICERS, DIRECTORS, EMPLOYEES, AGENTS OR
REPRESENTATIVES OF ANY DOCUMENTATION OR OTHER INFORMATION (INCLUDING ANY
FINANCIAL PROJECTIONS OR OTHER SUPPLEMENTAL DATA).

                  (b) Lynx and Lynx Parent acknowledge that (i) the
representations and warranties contained in Sections 4.05(b) and (c), 4.06,
4.07, 4.12, 4.13, 4.14, 4.15 and 4.16 are the only representations and
warranties being made with respect to (A) Intellectual Property, (B) compliance
with or liability under ERISA, (C) Taxes and (D) compliance with or liability
under Environmental Laws, respectively, or with respect to any Intellectual
Property, employee benefit, Tax or environmental, health or safety matter
related in any way to Detective and its Affiliates or to this Agreement or its
subject matter, and (ii) no other representation or warranty contained in this
Agreement shall apply to any such matters and no other representation or
warranty, express or implied, is being made with respect thereto.


                                    ARTICLE V

                              ADDITIONAL AGREEMENTS

                  SECTION 5.01. ACCESS TO INFORMATION. From the date hereof
until the Closing (upon reasonable notice to Detective or Lynx, as applicable)
during normal business hours, Detective shall, and shall cause the officers,
directors, employees, auditors and agents of Detective and its Subsidiaries to;
and Lynx shall and shall cause the officers, directors, employees, auditors and
agents of the Lynx Companies to (i) afford the officers, employees and
authorized agents and representatives of Detective and its Subsidiaries (where
the undertaking is given by Lynx) and of the Lynx Companies (where the
undertaking is given by Detective) reasonable access to the offices, properties,
books and records of Detective and its Subsidiaries (where the undertaking is
given by Detective) and of the Lynx Companies (where the undertaking is given by
Lynx) and (ii) furnish to the officers, employees and authorized agents and
representatives of Detective and its Subsidiaries (where the undertaking is
given by Lynx) and of the Lynx Companies (where the undertaking is given by
Detective) such additional financial and operating data and other information
regarding Detective, its Subsidiaries and Marksman (where the undertaking is
given by Detective) and regarding the Lynx Companies (where the undertaking is
given by Lynx) as Detective and its Subsidiaries (where the


                                       37
<PAGE>

undertaking is given by Lynx) and as Lynx (where the undertaking is given by
Detective) may from time to time reasonably request; PROVIDED, HOWEVER, that
such investigation shall not unreasonably interfere with any of the businesses
or operations of Detective or its Subsidiaries (where the undertaking is given
by Detective) and of the Lynx Companies (where the undertaking is given by
Lynx); and PROVIDED FURTHER that Detective or its Subsidiaries (where the
undertaking is given by Detective) and the Lynx Companies (where the undertaking
is given by Lynx) shall not be required to provide any such information or
access to the extent that such information or access would cause Detective or
its Subsidiaries (where the undertaking is given by Detective) and the Lynx
Companies (where the undertaking is given by Lynx) to be in breach of any
confidentiality restrictions applicable to them.

                  SECTION 5.02. CONFIDENTIALITY. The terms of the letter
agreement (the "CONFIDENTIALITY AGREEMENT") between Detective and The Financial
Times Group are hereby incorporated herein by reference and shall continue in
full force and effect until the Closing, at which time the obligations of the
parties under this Section 5.02 and the Confidentiality Agreement shall
terminate but only in respect of that portion of the Evaluation Material (as
defined in the Confidentiality Agreement) exclusively relating to Detective, its
Subsidiaries and the Lynx Companies. If this Agreement is, for any reason,
terminated prior to the Closing, the Confidentiality Agreement shall nonetheless
continue in full force and effect in all respects.

                  SECTION 5.03. REGULATORY AND OTHER AUTHORIZATIONS; CONSENTS.
(a) Detective shall use its commercially reasonable efforts to promptly obtain
all authorizations, consents, orders and approvals of all Governmental
Authorities that may be or become necessary for its execution and delivery of,
and the performance of its obligations pursuant to, this Agreement and the
Ancillary Agreements, and Lynx will cooperate with Detective in promptly seeking
to obtain all such authorizations, consents, orders and approvals, including
providing any required information; it being understood that, except as set
forth in Section 5.03(c), Lynx shall not be required to pay any fees or other
payments to any such regulatory bodies or officials in order to obtain any such
authorization, consent, order or approval. Detective will not take any action
that would have the effect of delaying, impairing or impeding the receipt of any
required approvals.

                  (b) Detective agrees, if necessary, to promptly make an
appropriate Section 1018 filing (the "SECTION 1018 APPROVAL") with the NASD with
respect to the change of control of DBC Securities, Inc. and to respond promptly
to any request for any additional information and documentary material that may
be requested by the NASD. Detective further agrees to file any required notices
with, and obtain any required approvals from, state securities regulators in
connection with the change of control of DBC Securities, Inc. Detective shall
bear the filing fees in connection with such filings. Detective will not take
any action that would have the effect of delaying, impairing or impeding the
receipt of any required approvals.

                  (c) Each party hereto agrees to make an appropriate filing of
a Notification and Report Form pursuant to the HSR Act with respect to the
transactions contemplated hereby within 25 Business Days after the date hereof
and to respond promptly to any request for any additional information and
documentary material that may be requested pursuant to the HSR Act.


                                       38
<PAGE>

In addition, each party agrees to promptly make any other filing that may be
required under any antitrust Law or by any antitrust authority. Each party shall
bear its respective filing fees associated with the HSR filings and any other
similar filings required in any other jurisdictions.

                  (d) Each party hereto shall use its commercially reasonable
efforts to obtain all other consents, novations and approvals that may be
required in connection with the transactions contemplated by this Agreement and
the Ancillary Agreements.

                  SECTION 5.04. FURTHER ACTION. From and after the Closing Date,
each of the parties hereto shall execute and deliver such documents and other
papers and take such further actions as may be reasonably required to carry out
the provisions of this Agreement and the Ancillary Agreements and give effect to
the transactions contemplated hereby and thereby.

                  SECTION 5.05. ANCILLARY AGREEMENTS. On the Closing Date, Lynx
and Detective shall execute and deliver (or shall cause one or more of their
Affiliates to execute and deliver) the Certificate of Merger and the
Registration Rights Agreement, as applicable.

                  SECTION 5.06. STOCKHOLDERS' MEETING. Detective shall as
promptly as practicable following the date of this Agreement call and cause to
be held a stockholders meeting for the purpose of approving the Merger and the
issuance of the Detective Shares and the Lynx Option and the other matters
contemplated by this Agreement including, without limitation, the Amended and
Restated Certificate of Incorporation of Detective, which shall be in form and
substance reasonably satisfactory to Detective and Lynx (the "AMENDED CHARTER"),
and the election of the Post-Closing Directors. In connection therewith, subject
to Section 6.03(b), the Board of Directors of Detective shall declare advisable
and recommend the approval of the Merger, the Amended Charter, the election of
the Post-Closing Directors to Detective's Board of Directors and such other
matters necessary in connection with the consummation of the transactions
contemplated herein, and shall prepare and file with the SEC under the Exchange
Act, and shall use all reasonable efforts to have promptly cleared by the SEC,
and promptly thereafter shall mail to its stockholders, the proxy materials, as
they may be amended and supplemented, to be used in connection with such
stockholder meeting (the "PROXY MATERIAL"). Detective shall provide Lynx with a
reasonable opportunity to review and comment upon the Proxy Material prior to
its filing with the SEC and distribution to Detective's stockholders. Detective
shall promptly and properly prepare and file any other filings required under
the Exchange Act or any other Federal or state laws relating to the transactions
contemplated herein (collectively, the "OTHER FILINGS"). Detective shall notify
Lynx promptly of the receipt of any comments of the SEC and of any request by
the SEC for amendments or supplements to the Proxy Material or by any other
governmental official with respect to any Other Filings or for additional
information and will supply Lynx with copies of all correspondence between
Detective and its representatives, on the one hand, and the SEC or the members
of its staff or any other appropriate government official, on the other hand,
with respect to the Proxy Material and any Other Filings. Detective shall obtain
and furnish the information required to be included in the Proxy Material and
any Other Filings; and Detective, after consultation with Lynx, shall (and Lynx
agrees to reasonably cooperate with Detective in connection therewith) respond
promptly


                                       39
<PAGE>

to any comments made by the SEC with respect to the Proxy Material and any Other
Filings and any preliminary version thereof and cause the Proxy Material and
related form of proxy to be mailed to its stockholders at the earliest
practicable time. Detective shall notify Lynx of its intention to mail the Proxy
Material to the stockholders of Detective at least 48 hours prior to the
intended time of such mailing. Detective represents and warrants that the
information (other than information with respect to the Lynx Companies which is
supplied by Lynx in writing to Detective specifically for use in the Proxy
Material) contained in the Proxy Material will not, at the date of mailing to
Detective's stockholders or at the date of such stockholder meeting, contain any
statement which, at the time and in light of the circumstances under which it is
made, be false or misleading with respect to any material fact required to be
stated therein or necessary to correct any statement in any earlier
communication with respect to the solicitation of proxies for such stockholder
meeting. Detective represents and warrants that the Proxy Material will comply
as to form in all material respects with the Exchange Act and the rules and
regulations of the Commission thereunder. Lynx and Lynx Parent represent and
warrant that the information supplied by Lynx or Lynx Parent in writing to
Detective and Acquisition Sub specifically for use in the Proxy Material will
not, at the date of mailing to Detective's stockholders or at the date of such
stockholder meeting, contain any statement which, at the time and in light of
the circumstances under which it is made, be false or misleading with respect to
any material fact required to be stated therein or necessary to correct any
statement in any earlier communication with respect to the solicitation of
proxies for such stockholder meeting.

                  SECTION 5.07. NASDAQ NATIONAL MARKET. Prior to the Closing,
Detective shall cause the Detective Shares to be approved for listing on the
NASDAQ National Market.

                  SECTION 5.08. FEES AND EXPENSES. (a) Except as provided in
this Section 5.08, all fees and expenses incurred in connection with this
Agreement, the Ancillary Agreements and the transactions contemplated hereby and
thereby shall be paid by the party incurring such fees or expenses, whether or
not the Closing occurs.

                  (b) In the event that (1) a Detective Takeover Proposal shall
have been made to Detective or any of its Subsidiaries or shall have been made
directly to the stockholders of Detective generally or shall have otherwise
become publicly known or any Person shall have publicly announced an intention
(whether or not conditional) to make a Detective Takeover Proposal and
thereafter this Agreement is terminated by either Detective or Lynx pursuant to
Section 8.01(b)(i) or (ii) or this Agreement is terminated by Lynx pursuant to
Section 8.01(c), or (2) this Agreement is terminated by Lynx pursuant to Section
8.01(e), then Detective shall promptly, but in no event later than the date of
such termination, pay Lynx Parent or its designee a fee equal to $25,500,000
million (the "TERMINATION FEE"), payable by wire transfer of same day funds;
PROVIDED, HOWEVER, that no Termination Fee shall be payable to Lynx Parent or
its designee pursuant to clause (1) of this paragraph (b) unless and until
within 12 months of such termination Detective or any of its Subsidiaries enters
into any Detective Acquisition Agreement with respect to, or consummates, any
Detective Takeover Proposal, in which event the Termination Fee shall be payable
upon the first to occur of such events. Detective acknowledges that the
agreements contained in this Section 5.08(b) are an integral part of the
transactions


                                       40
<PAGE>

contemplated by this Agreement, and that, without these agreements, Lynx and
Lynx Parent would not enter into this Agreement; accordingly, if Detective fails
promptly to pay the amount due pursuant to this Section 5.08(b), and, in order
to obtain such payment, Lynx and Lynx Parent commence a suit which results in a
judgment against Detective for the fee set forth in this Section 5.08(b),
Detective shall pay to Lynx and Lynx Parent their reasonable costs and expenses
(including reasonable attorneys' fees of one counsel (as well as local counsel)
and expenses) in connection with such suit, together with interest on the amount
of the fee at the prime rate of Citibank, N.A. in effect on the date such
payment was required to be made.

                  SECTION 5.09. PUBLIC ANNOUNCEMENTS. Promptly after the date
hereof, Detective, Acquisition Sub and Lynx will develop a joint communications
plan and each party hereto shall use all reasonable best efforts to ensure that
all press releases and other public statements with respect to the transactions
contemplated by this Agreement and the Ancillary Agreements shall be consistent
with such joint communications plan. Detective, Acquisition Sub and Lynx will
consult with each other before issuing any press release or otherwise making any
written public statement with respect to the transactions contemplated by this
Agreement and the Ancillary Agreements, and shall not issue any such press
release or make any such written public statement prior to such consultation,
except as either party may determine is required by applicable law or by
obligations pursuant to any listing agreement with any securities exchange or
national trading system. The parties agree that the initial press release to be
issued with respect to the transactions contemplated by this Agreement and the
Ancillary Agreements shall be in the form theretofore agreed to by the parties.

                  SECTION 5.10. TAX TREATMENT. Each of Detective, Acquisition
Sub and Lynx shall use its best efforts to cause the Merger to qualify as a
reorganization under the provisions of Section 368(a) of the Code.

                  SECTION 5.11. REORGANIZATION; INTERCOMPANY TRANSACTIONS. On or
prior to the Effective Time, Lynx shall cause the Reorganization to be effected.
Except as set forth in SECTION 5.11 OF THE LYNX COMPANY DISCLOSURE SCHEDULE, the
assets and properties of the Lynx Companies following the consummation of the
Reorganization shall be all of those assets and properties necessary for the
conduct in all material respects of the businesses of FTAM as conducted on the
date hereof. Prior to the Effective Time, the Lynx Companies shall be rendered
cash-free and any inter-company indebtedness between any of the Lynx Companies,
on the one hand, and any non-Lynx Company Affiliates of the Lynx Companies, on
the other, shall be contributed to capital or otherwise eliminated (except for
the $19,224,000 intercompany receivable from Rycade Capital Corporation to
Interactive Data Corporation and the $20,000,000 intercompany payable from
Interactive Data Corporation to Pearson).

                  SECTION 5.12. ADVICE OF CHANGES. Detective, Acquisition Sub
and Lynx shall promptly advise the other parties orally and in writing to the
extent they have knowledge of (i) any representation or warranty made by them or
their Affiliates contained in this Agreement or any of the Ancillary Agreements
that is qualified as to materiality becoming untrue or inaccurate in any respect
or any such representation or warranty that is not so qualified becoming


                                       41
<PAGE>

untrue or inaccurate in any material respect or (ii) their failure to comply
with or satisfy in any material respect any covenant, condition or agreement to
be complied with or satisfied by such parties (or such parties' Affiliates)
under this Agreement or any of the Ancillary Agreements and (iii) any change or
event having, or which is reasonably likely to have, a Material Adverse Effect
on such parties (or such parties' Affiliates) or on the truth of their
respective representations and warranties or the ability of the conditions
contained in this Agreement or any of the Ancillary Agreements to be satisfied;
PROVIDED, HOWEVER, that no such notification shall affect the representations,
warranties, covenants or agreements of the parties or their Affiliates (or
remedies with respect thereto) or the conditions to the obligations of the
parties or their Affiliates under this Agreement or any of the Ancillary
Agreements.

                  SECTION 5.13. BOARD OF DIRECTORS. Detective shall employ its
best efforts to ensure that the Board of Directors of Detective is comprised of
ten members following the shareholders meeting convened pursuant to Section
5.06, it being understood that such membership will include (i) Allan R.
Tessler, Alan J. Hirschfield and Carl Spielvogel; (ii) 1 (one) other independent
director designated by Lynx, who shall be reasonably acceptable to Detective,
prior to the mailing of the Proxy Materials; and (iii) 6 (six) persons
designated by Lynx prior to the mailing of the Proxy Materials (the persons
described in clauses (i), (ii) and (iii) being, collectively, the "POST-CLOSING
DIRECTORS"). Detective shall also obtain, at the request of Lynx, the
resignations, effective at any time as of or after the Effective Time (as
requested by Lynx), of those persons designated by Detective as its
representatives on Marksman's Board of Directors.

                  SECTION 5.14. INDEMNIFICATION, EXCULPATION AND INSURANCE. (a)
The parties hereto agree that all rights to indemnification and exculpation from
liabilities for acts or omissions occurring at or prior to the Effective Time
(and rights for advancement of expenses) now existing in favor of the current or
former directors or officers of Detective or its Subsidiaries as provided in
their respective certificates of incorporation or by-laws (or comparable
organizational documents) and any indemnification or other agreements of
Detective as in effect on the date hereof shall be maintained by Detective after
the Merger, and shall survive the Merger and shall continue in full force and
effect in accordance with their terms.

                  (b) In the event that Detective or any of its successors or
assigns (i) consolidates with or merges into any other person and is not the
continuing or surviving corporation or entity of such consolidation or merger or
(ii) transfers or conveys all or substantially all its properties and assets to
any person, then, and in each such case, Detective shall cause proper provision
to be made so that the successors and assigns of Detective assume the
obligations set forth in this Section 5.14.

                  (c) For six years from and after the Effective Time, Detective
shall maintain in effect Detective's current directors' and officers' liability
insurance covering acts or omissions occurring prior to the Effective Time
covering each person currently covered by Detective's directors' and officers'
liability insurance policy on terms with respect to such coverage and amounts no
less favorable than those of such policy in effect on the date hereof; provided
that


                                       42
<PAGE>

Detective may substitute therefor policies of Lynx Parent or its Affiliates or
its subsidiaries containing terms with respect to coverage and amount no less
favorable to such directors or officers; provided, however, that in no event
shall Detective be required to pay aggregate premiums for insurance under this
Section 5.14(c) in excess of 200% of the amount of the aggregate premiums paid
by Detective in 1999 on an annualized basis for such purpose; provided that
Detective shall nevertheless be obligated to provide such coverage as may be
obtained for such 200% amount.

                  (d) The provisions of this Section 5.14 (i) are intended to be
for the benefit of, and will be enforceable by, each indemnified party, his or
her heirs and his or her representatives and (ii) are in addition to, and not in
substitution for, any other rights to indemnification or contribution that any
such person may have by contract or otherwise.

                  SECTION 5.15. REPAYMENT OF INDEBTEDNESS. Prior to the
Effective Time, Detective shall repay each of its outstanding obligations
pursuant to its loan with Society National Bank and any other similar agreement
required to be disclosed pursuant to Section 4.16(a)(v) (collectively, the
"DETECTIVE LOAN AGREEMENTS").

                  SECTION 5.16. LETTER AGREEMENTS. Contemporaneously with the
execution of this Agreement, Detective shall enter into and shall cause each of
Mark F. Imperiale, Allan R. Tessler and Alan J. Hirschfield to enter into Letter
Agreements, substantially in the form and to the effect of EXHIBIT E (the
"LETTER AGREEMENTS").


                                   ARTICLE VI

                       CONDUCT OF BUSINESS PENDING CLOSING

                  SECTION 6.01. CONDUCT OF BUSINESS OF DETECTIVE AND ITS
SUBSIDIARIES PRIOR TO THE CLOSING. (a) Unless Lynx otherwise agrees in writing
and except as otherwise set forth in SECTION 6.01 OR ANY OTHER SECTION OF THE
DETECTIVE DISCLOSURE SCHEDULE or as contemplated by this Agreement, between the
date of this Agreement and the Closing Date, Detective will, and will cause each
of its Subsidiaries to (i) operate only in the ordinary course, (ii) use
commercially reasonable efforts to keep available the services of the key
employees of Detective and such Subsidiaries, (iii) operate in compliance in all
material respects with all Laws and (iv) continue to pay their bills in the
ordinary course of business consistent with past practice.

                  (b) By way of amplification and not limitation, except as
disclosed in SECTION 6.01 OF THE DETECTIVE DISCLOSURE SCHEDULE or as
contemplated by this Agreement (including repayment of the Detective Loan
Agreements) or as required by Law, between the date of this Agreement and
Closing Date, Detective will not, and shall cause its Subsidiaries to not, do
any of the following without the prior written consent of Lynx (which consent
shall not be unreasonably withheld or delayed):


                                       43
<PAGE>

                  (i) grant any Liens (other than Permitted Liens);

                  (ii) establish or materially increase any bonus, insurance,
         severance, deferred compensation, pension, retirement, profit sharing,
         stock option (including the granting of stock options, stock
         appreciation rights, performance awards or restricted stock awards),
         stock purchase or other employee benefit plan, or otherwise materially
         increase the compensation payable to or to become payable to any
         officers or key employees of Detective or any of its Affiliates,
         except, in the case of salary, in the ordinary course of business or in
         any other case described above as may be required by Law or applicable
         employment agreement or collective bargaining agreement;

                  (iii) enter into any employment agreement with any Person
         whose annual compensation exceeds $75,000 or any severance agreement
         outside of the ordinary course of business consistent with past
         practice;

                  (iv) except in the ordinary course of business sell, assign,
         transfer, lease or otherwise dispose of any of the assets of Detective
         or any of its Subsidiaries;

                  (v) (A) acquire (by merger, consolidation, acquisition of
         stock or assets or otherwise) any corporation, partnership or other
         business organization or division thereof or (B) incur any indebtedness
         for borrowed money or issue any debt securities or assume, grant,
         guarantee or endorse, or otherwise as an accommodation become
         responsible for, the obligations of any Person, or make any loans,
         advances or distributions of cash;

                  (vi) take any action, other than reasonable actions in the
         ordinary course of business and consistent with past practice, with
         respect to accounting policies or procedures;

                  (vii) pay, discharge or satisfy any material claim, liability
         or obligation (absolute, accrued, asserted or unasserted, contingent or
         otherwise), other than as required by this Agreement or the payment,
         discharge or satisfaction, in the ordinary course of business and
         consistent with past practice, of liabilities reflected or reserved
         against in the financial statements referred to in Section 4.05 or
         subsequently incurred in the ordinary course of business and consistent
         with past practice;

                  (viii) make any material state, local or foreign Tax election
         or settle or compromise any material state, local or foreign Tax
         liability;

                  (ix) issue or sell any additional shares of the capital stock
         or share capital of, or other equity interests in, Detective or any of
         its Subsidiaries or securities convertible into or exchangeable for
         such shares or equity interests, or issue or grant any Options,
         warrants, calls, subscription rights or other rights of any kind to
         acquire additional shares of such capital stock or share capital, such
         other equity interests, or such securities (other


                                       44
<PAGE>

         than issuances of Detective Common Stock pursuant to the exercise of
         Options outstanding as of the date hereof);

                  (x) other than as required by this Agreement, amend the
         Certificate of Incorporation, other constitutive documents or by-laws
         of Detective or any of its Subsidiaries;

                  (xi) other than dividends and distributions (including
         liquidating distributions) by a direct or indirect wholly owned
         Subsidiary of Detective and dividends and distributions declared, set
         aside or paid by Detective as required by and in accordance with the
         respective terms of its capital stock or share capital as of the date
         hereof, (x) declare, set aside or pay any dividends on, or make any
         other distributions (whether in cash, stock, property or otherwise) in
         respect of, any of its capital stock or share capital, (y) split,
         combine or reclassify any of its capital stock or issue or authorize
         the issuance of any other securities in respect of, in lieu of or in
         substitution for shares of its capital stock, or (z) purchase, redeem
         or otherwise acquire, directly or indirectly, any shares of capital
         stock or share capital of Detective or any of its Subsidiaries or any
         other securities thereof or any rights, warrants or options to acquire
         any such shares or other securities (other than issuances of Detective
         Common Stock pursuant to the exercise of Options outstanding as of the
         date hereof);

                  (xii) make or agree to make any new capital expenditure or
         expenditures except in the ordinary cause of business consistent with
         past practice;

                  (xiii) except as required by Law or contemplated hereby, enter
         into, adopt or amend in any material respect or terminate any Detective
         Plan, collective bargaining agreement, employment agreement, deferred
         compensation agreement, consulting agreement, severance agreement,
         termination agreement, indemnification agreement or any other
         agreement, plan or policy involving Detective or any of its
         Subsidiaries, and one or more of its current or former directors,
         officers or employees, or change any actuarial or other assumption used
         to calculate funding obligations with respect to any pension plan, or
         change the manner in which contributions to any pension plan are made
         or the basis on which such contributions are determined;

                  (xiv) transfer or license to any person or entity or otherwise
         extend, amend or modify any rights to the Detective Owned Intellectual
         Property, the Detective Licensed Intellectual Property or the Detective
         Shrink-Wrapped Software other than in the ordinary course of business
         consistent with past practice or on a non-exclusive basis not
         materially different from past practice;

                  (xv) call or hold any meeting of stockholders of Detective
         other than in connection with the election of members of the Board of
         Directors of Detective or other routine matters in the ordinary course
         of business consistent with past practice;


                                       45
<PAGE>

                  (xvi) enter into any contract, agreement, obligation,
         commitment, arrangement or understanding with any Affiliate of
         Detective that would have been required to be filed as an exhibit to
         Detective's annual report on form 10-K for the fiscal year ended June
         30, 1999 had Detective or any of its Affiliates been a party thereto as
         of June 30, 1999;

                  (xvii) with respect to any Option or other award the value of
         which is based in whole or in part upon the performance of Detective
         Common Stock that is outstanding as of the date hereof, take any action
         that would cause any condition relating to the exercisability or full
         enjoyment of any such Option or other award to lapse in whole or in
         part;

                  (xviii) (I) take or agree or commit to take or agree or commit
         to omit any action that would make any representation or warranty of
         Detective or Acquisition Sub under this Agreement or the Ancillary
         Agreements inaccurate in any material respect (if not qualified by
         materiality) and in any respect (if qualified by materiality); or (II)
         take any action or course of action inconsistent with compliance with
         the covenants or agreements of Detective or Acquisition Sub under this
         Agreement or the Ancillary Agreements; or

                  (xix) authorize, or commit or agree to take, any of the
         foregoing actions.

                  (c) Detective shall (and shall cause its Affiliates to)
implement and remain in compliance with the Detective Year 2000 Plan in
accordance with the terms thereof. Detective shall not amend or modify (or cause
or permit to be amended or modified) the Detective Year 2000 Plan without the
prior written consent of Lynx (which shall not be unreasonably withheld or
delayed). Detective shall provide Lynx with written progress reports as
reasonably requested by Lynx, but no more frequently than monthly, describing in
reasonable detail the steps and measures taken to the date of the report to
implement the Detective Year 2000 Plan, and the status of and the progress made
in connection with the implementation of the Detective Year 2000 Plan. Detective
shall afford Lynx and its agents, representatives and advisors reasonable
access, upon reasonable notice to Detective, to those Persons involved with the
implementation of the Detective Year 2000 Plan in order to monitor the status of
the implementation of the Year 2000 Plan and the progress made in addressing the
Year 2000 Problem.

                  SECTION 6.02. CONDUCT OF BUSINESS OF THE LYNX COMPANIES PRIOR
TO THE CLOSING. (a) Unless Detective otherwise agrees in writing and except as
otherwise set forth in SECTION 6.02 OR ANY OTHER SECTION OF THE LYNX DISCLOSURE
SCHEDULE, or as contemplated by this Agreement (including, without limitation,
effecting the Reorganization) between the date of this Agreement and the Closing
Date, Lynx and Lynx Parent will cause the Lynx Companies to (i) operate only in
the ordinary course, (ii) use commercially reasonable efforts to keep available
the services of the key employees of the Lynx Companies, (iii) operate in
compliance in all material respects with all Laws and (iv) continue to pay their
bills in the ordinary course of business consistent with past practice.


                                       46
<PAGE>

                  (b) By way of amplification and not limitation, except as
disclosed in SECTION 6.02 OF THE LYNX DISCLOSURE SCHEDULE or as contemplated by
this Agreement (including effecting the Reorganization) or as required by Law,
between the date of this Agreement and the Closing Date, Lynx and Lynx Parent
will cause the Lynx Companies not to do any of the following without the prior
written consent of Detective (which consent shall not be unreasonably withheld
or delayed):

                  (i) grant any Liens (other than Permitted Liens);

                  (ii) establish or materially increase any bonus, insurance,
         severance, deferred compensation, pension, retirement, profit sharing,
         stock option (including the granting of stock options, stock
         appreciation rights, performance awards or restricted stock awards),
         stock purchase or other employee benefit plan, or otherwise materially
         increase the compensation payable to or to become payable to any
         officers or key employees of the Lynx Companies, except, in the case of
         salary, in the ordinary course of business or in any other case
         described above as may be required by Law or applicable employment
         agreement or collective bargaining agreement;

                  (iii) enter into any employment agreement with any Person
         whose annual compensation exceeds $75,000 or any severance agreement
         outside of the ordinary course of business consistent with past
         practice;

                  (iv) except in the ordinary course of business sell, assign,
         transfer, lease or otherwise dispose of any of the assets of the Lynx
         Companies;

                  (v) (A) acquire (by merger, consolidation, acquisition of
         stock or assets or otherwise) any corporation, partnership or other
         business organization or division thereof or (B) incur any indebtedness
         (other than indebtedness owing to any Affiliate of the Lynx Companies)
         for borrowed money or issue any debt securities or assume, grant,
         guarantee or endorse, or otherwise as an accommodation become
         responsible for, the obligations of any Person, or make any loans,
         advances or distributions of cash;

                  (vi) take any action, other than reasonable actions in the
         ordinary course of business and consistent with past practice, with
         respect to accounting policies or procedures;

                  (vii) other than with respect to transactions between the Lynx
         Companies and any of their Affiliates, pay, discharge or satisfy any
         material claim, liability or obligation (absolute, accrued, asserted or
         unasserted, contingent or otherwise), other than the payment, discharge
         or satisfaction, in the ordinary course of business and consistent with
         past practice, of liabilities reflected or reserved against in the
         Reference Balance Sheet referred to in Section 3.05(a) or subsequently
         incurred in the ordinary course of business and consistent with past
         practice;


                                       47
<PAGE>

                  (viii) make any material state, local or foreign Tax election
         or settle or compromise any material state, local or foreign Tax
         liability;

                  (ix) issue or sell any additional shares of the capital stock
         or share capital of, or other equity interests in, the Lynx Companies
         or securities convertible into or exchangeable for such shares or
         equity interests, or issue or grant any Options, warrants, calls,
         subscription rights or other rights of any kind to acquire additional
         shares of such capital stock or share capital, such other equity
         interests, or such securities.

                  (x) amend the Certificate of Incorporation, other constitutive
         documents or by-laws of any Lynx Company;

                  (xi) other than with respect to any dividends or distributions
         to any Affiliate of any Lynx Company, and other than for dividends and
         distributions (including liquidating distributions) by a direct or
         indirect wholly owned Subsidiary of any Lynx Company to its parent and
         dividends and distributions declared, set aside or paid by any Lynx
         Company as required by and in accordance with the respective terms of
         its capital stock or share capital as of the date hereof, (x) declare,
         set aside or pay any dividends on, or make any other distributions
         (whether in cash, stock, property or otherwise) in respect of, any of
         its capital stock or share capital, (y) split, combine or reclassify
         any of its capital stock or issue or authorize the issuance of any
         other securities in respect of, in lieu of or in substitution for
         shares of their capital stock, or (z) purchase, redeem or otherwise
         acquire, directly or indirectly, any shares of capital stock or share
         capital of any Lynx Company or any other securities thereof or any
         rights, warrants or options to acquire any such shares or other
         securities;

                  (xii) make or agree to make any new capital expenditure or
         expenditures except in the ordinary course of business consistent with
         past practice;

                  (xiii) except as required by Law or contemplated hereby, enter
         into, adopt or amend in any material respect or terminate any Lynx
         Company Plan, collective bargaining agreement, employment agreement,
         deferred compensation agreement, consulting agreement, severance
         agreement, termination agreement, indemnification agreement or any
         other agreement, plan or policy involving any Lynx Company and one or
         more of its current or former directors, officers or employees, or
         change any actuarial or other assumption used to calculate funding
         obligations with respect to any pension plan, or change the manner in
         which contributions to any pension plan are made or the basis on which
         such contributions are determined;

                  (xiv) transfer or license to any person or entity or otherwise
         extend, amend or modify any rights to the Lynx Company Owned
         Intellectual Property, Lynx Company Licensed Intellectual Property or
         Lynx Company Shrink-Wrapped Software other than in the ordinary course
         of business consistent with past practice or on a non-exclusive basis
         not materially different from past practice;


                                       48
<PAGE>


                  (xv) with respect to any Option or other award the value of
         which is based in whole or in part upon the performance of Lynx shares
         that are outstanding as of the date hereof, take any action that would
         cause any condition relating to the exercisability or full enjoyment of
         any such Option or other award to lapse in whole or in part;

                  (xvi) enter into any material contract, obligation,
         commitment, arrangement or understanding with any Affiliate of any Lynx
         Company not in the ordinary course of business;

                  (xvii) (I) take or agree or commit to take or agree or commit
         to omit any action that would make any representation or warranty of
         Lynx Parent or any of the Lynx Companies under this Agreement or the
         Ancillary Agreements inaccurate in any material respect (if not
         qualified by materiality) and in any respect (if qualified by
         materiality); or (II) take any action or course of action inconsistent
         with compliance with the covenants or agreements of Lynx Parent or any
         of the Lynx Companies under this Agreement or the Ancillary Agreements;
         or

                  (xviii) authorize, or commit or agree to take, any of the
         foregoing actions.

                  (c) Lynx shall implement and remain in compliance with the
Lynx Company Year 2000 Plan in accordance with the terms thereof. Lynx shall not
amend or modify (or cause or permit to be amended or modified) the Lynx Company
Year 2000 Plan without the prior written consent of Detective (which shall not
be unreasonably withheld or delayed). Lynx shall provide Detective with written
progress reports as reasonably requested by Detective, but no more frequently
than monthly describing in reasonable detail the steps and measures taken to the
date of the report to implement the Lynx Company Year 2000 Plan, and the status
of and the progress made in connection with the implementation of the Lynx
Company Year 2000 Plan. Lynx shall afford Detective and its agents,
representatives and advisors reasonable access, upon reasonable notice to Lynx,
to those Persons involved with the implementation of the Lynx Company Year 2000
Plan in order to monitor the status of the implementation of the Lynx Company
Year 2000 Plan and the progress made in addressing the Year 2000 Problem.

                  SECTION 6.03. NO SOLICITATION BY DETECTIVE. (a) From and after
the date of this Agreement, Detective shall not, nor shall it permit any of its
Subsidiaries to, nor shall it authorize or permit any of its directors, officers
or employees or any investment banker, financial advisor, attorney, accountant
or other representative retained by it or any of its Subsidiaries to, directly
or indirectly through another Person, (i) solicit, initiate or encourage
(including by way of furnishing information), or take any other action designed
to facilitate, any inquiries or the making of any proposal that constitutes, a
Detective Takeover Proposal or (ii) participate in any discussions or
negotiations (including by way of furnishing information) regarding any
Detective Takeover Proposal. Notwithstanding the foregoing, in the event that
Detective receives a Detective Superior Proposal, Detective may participate in
discussions regarding any Detective Superior Proposal in order to be informed
with respect thereto in order to make any


                                       49
<PAGE>

determination permitted pursuant to Section 6.03(b)(i). In such event, Detective
shall, no less than 48 hours prior to participating in any such discussions, (i)
inform Lynx of the material terms and conditions of such Detective Superior
Proposal, including the identity of the person making such Detective Superior
Proposal, (ii) inform Lynx of the substance of any discussions relating to such
Detective Superior Proposal and (iii) keep Lynx fully informed of the status,
including any change to the material terms and conditions of, any such Detective
Superior Proposal. For purposes of this Agreement, "DETECTIVE TAKEOVER PROPOSAL"
means any bona fide inquiry, proposal or offer from any person relating to any
direct or indirect acquisition or purchase of a business that constitutes 20% or
more of the net revenues, net income or the assets of Detective and its
Subsidiaries, taken as a whole, or 20% or more of any class of equity securities
of Detective or any of its Subsidiaries, any tender offer or exchange offer that
if consummated would result in any person beneficially owning 20% or more of any
class of equity securities of Detective or any of its Subsidiaries, or any
merger, consolidation, business combination, recapitalization, liquidation,
dissolution or similar transaction involving Detective or any of its
Subsidiaries, other than the transactions contemplated by this Agreement. For
purposes of this Agreement, "DETECTIVE SUPERIOR PROPOSAL" means any offer not
solicited by Detective made by a third party to consummate a tender offer,
exchange offer, merger, consolidation or similar transaction which would result
in such third party (or its shareholders) owning, directly or indirectly, more
than 50% of the shares of the Detective Common Stock then outstanding (or of the
surviving entity in a merger) or all or substantially all of the assets of
Detective and its Subsidiaries, taken together, and otherwise on terms which the
Board of Directors of Detective determines in good faith to be reasonably likely
to obtain the Detective Stockholder Approval and to provide consideration to the
holders of the Detective Common Stock with a greater value than the
consideration to be exchanged at the Closing.

                  (b) Neither the Board of Directors of Detective nor any
committee thereof shall (i) except as required by law as advised in writing by
outside counsel, withdraw or modify, or propose publicly to withdraw or modify,
in a manner adverse to Lynx, the approval or recommendation by such Board of
Directors or such committee of the transactions contemplated by this Agreement
or the Ancillary Agreements, PROVIDED, HOWEVER, the Board of Directors, or such
committee, may, if it believes it is in the best interest of its shareholders to
do so, withdraw or modify such recommendation or (ii) cause Detective to enter
into any Detective Acquisition Agreement.

                  (c) In addition to the obligations of Detective set forth in
paragraphs (a) and (b) of this Section 6.03, Detective shall immediately advise
Lynx orally and in writing of any request for information or of any Detective
Takeover Proposal, the material terms and conditions of such request or
Detective Takeover Proposal and the identity of the person making such request
or Detective Takeover Proposal. Detective will keep Lynx informed of the status
and details (including amendments or proposed amendments) of any such request or
Detective Takeover Proposal.

                  (d) Nothing contained in this Section 6.03 shall prohibit
Detective from taking and disclosing to its stockholders a position contemplated
by Rule 14d-9 or 14e-2 promulgated


                                       50
<PAGE>

under the Exchange Act or from making any disclosure to Detective's stockholders
if, in the good faith judgment of the Board of Directors of Detective, after
consultation with outside counsel, failure so to disclose would be inconsistent
with its obligations under applicable law; provided, however, that, except as
permitted pursuant to Section 6.03(b)(i), neither Detective nor its Board of
Directors nor any committee thereof shall withdraw or modify, or propose
publicly to withdraw or modify, its position with respect to the transactions
contemplated by this Agreement or the Ancillary Agreements.


                                   ARTICLE VII

                              CONDITIONS TO CLOSING

                  SECTION 7.01. CONDITIONS TO EACH PARTY'S OBLIGATIONS. The
respective obligations of each party to consummate the transactions contemplated
by this Agreement and the Ancillary Agreements are subject to the satisfaction
or waiver on or prior to the Closing Date of the following conditions:

                  (a) STOCKHOLDER APPROVAL. The Detective Stockholder Approval
shall have been obtained.

                  (b) HSR ACT. The waiting periods (and any extension thereof)
applicable to the transactions contemplated hereby under the HSR Act and any
applicable foreign antitrust and competition Laws shall have been terminated or
shall have expired, and any necessary consents or approvals with respect to such
transactions under any applicable foreign antitrust and competition Laws shall
have been obtained.

                  (c) SEC OR NASD CONSENTS; APPROVALS. All consents, approvals
or orders of authorization of, or actions by, the SEC or NASD shall have been
obtained including, without limitation, the Section 1018 Approval if necessary.

                  (d) OTHER CONSENTS. The consents or approvals set forth on
SECTION 7.01(d) OF THE LYNX COMPANY DISCLOSURE SCHEDULE shall have been
obtained.

                  (e) NO LITIGATION. No judgment, order, decree, statute, law,
ordinance, rule or regulation, entered, enacted, promulgated, enforced or issued
by any court or other Governmental Authority of competent jurisdiction or other
legal restraint or prohibition (collectively, "RESTRAINTS") shall be in effect,
and there shall not be pending or threatened any suit, action or proceeding by
any Governmental Authority, (i) preventing the consummation of the transactions
contemplated hereby or by the Ancillary Agreements or (ii) which otherwise is
reasonably likely to have a Material Adverse Effect; PROVIDED, HOWEVER, that
each of the parties shall have used its reasonable efforts to prevent the entry
of any such Restraints and to appeal as promptly as possible any such Restraints
that may be entered.


                                       51
<PAGE>

                  (f) THE REORGANIZATION. The Reorganization shall have been
effected (and Lynx or any of its Affiliates shall have received any tax
clearances or consents (including any UK Treasury consent) deemed necessary or
desirable by Lynx or any of its Affiliates in connection therewith).

                  SECTION 7.02. CONDITIONS TO OBLIGATIONS OF LYNX. The
obligation of Lynx to consummate the transactions contemplated hereby and the
Ancillary Agreements is further subject to satisfaction or waiver of the
following conditions:

                  (a) REPRESENTATIONS AND WARRANTIES. The representations and
warranties of Detective and Acquisition Sub set forth herein that are qualified
as to materiality shall be true and correct, and those that are not so qualified
shall be true and correct in all material respects, in each case as of the date
hereof and as of the Closing Date, with the same effect as if made at and as of
such time (except to the extent expressly made as of an earlier date, in which
case as of such date); PROVIDED, HOWEVER, that Section 4.25 need only be true
and correct in all material respects as of the date of this Agreement, except to
the extent expressly made as of an earlier date, which need only be true as of
such date. Lynx shall have received a certificate signed on behalf of Detective
and Acquisition Sub by the chief executive officer of Detective to such effect.

                  (b) PERFORMANCE OF OBLIGATIONS OF DETECTIVE AND ACQUISITION
SUB. Detective and Acquisition Sub shall have performed in all material respects
all obligations required to be performed by them under this Agreement and the
Ancillary Agreements at or prior to the Closing Date. Lynx shall have received a
certificate signed on behalf of Detective and Acquisition Sub by the chief
executive officer of Detective to such effect.

                  (c) NASD LISTING. The Detective Shares shall have been
approved for listing, subject to notice of issuance, on the NASDAQ National
Market.

                  (d) DETECTIVE COMMON STOCK PRICE. For the 10-trading-day
period preceding the Closing Date, the average daily closing price per share of
Detective Common Stock as reported on the NASDAQ National Market (or if not
listed on the NASDAQ National Market, as reported on any national securities
exchange or national securities quotation system on which the Detective Common
Stock is listed or quoted), as reported in the Wall Street Journal (Northeast
edition) shall be equal to or greater than $6.50.

                  (e) DETECTIVE LOAN AGREEMENTS. Lynx shall have received
evidence, in form and substance reasonably satisfactory to Lynx, of the
repayment of the Detective Loan Agreements and the release of all Liens in
connection therewith.

                  (f) TAX TREATMENT. Lynx and Lynx Parent shall have received an
opinion from tax counsel, reasonably acceptable in form and substance to them,
that the Merger will be treated as a "reorganization" under Section 368(a) of
the Code.


                                       52
<PAGE>

                  (g) The seven day revocation period under each of the Letter
Agreements shall have expired and the Letter Agreements shall not have been
revoked.

                  (h) MATTERS RELATING TO MARKSMAN. There shall not have
occurred without Lynx's prior consent (i) any change in the authorized or
outstanding capital stock of Marksman (or any Board authorization of any such
change) from June 30, 1999 other than pursuant to common stock options, bonuses
or awards to employees, consultants or directors in the ordinary course of
business consistent with past practice in an amount not exceeding 3 (three)
percent of the outstanding common stock of Marksman as of such date, (ii) any
Material Adverse Effect with respect to Marksman since June 30, 1999, (iii) any
entry by Marksman into any new line of business (or Board approval of such
entry) or (iv) the consummation of any acquisition of any company or business
(whether by merger, purchase of stock or assets or otherwise) by Marksman or the
entry by Marksman into any partnership or joint venture (regardless of legal
form) with any other party, or the entry by Marksman into any Contract to effect
any such transaction (or Board approval of such), in each case involving
payments or contributions by Marksman in excess of $5 million (whether in cash,
property or services).

                  SECTION 7.03. CONDITIONS TO OBLIGATIONS OF DETECTIVE AND
ACQUISITION SUB. The obligation of Detective and Acquisition Sub to consummate
the transactions, contemplated hereby and by the Ancillary Agreements is further
subject to satisfaction or waiver of the following conditions:

                  (a) REPRESENTATIONS AND WARRANTIES. The representations and
warranties of Lynx set forth herein that are qualified as to materiality shall
be true and correct, and those that are not so qualified shall be true and
correct in all material respects, in each case as of the date hereof and as of
the Closing Date, with the same effect as if made at and as of such time (except
to the extent expressly made as of an earlier date, in which case as of such
date). Detective shall have received a certificate signed on behalf of Lynx by
its chief executive officer to such effect.

                  (b) PERFORMANCE OF OBLIGATIONS OF LYNX. Lynx shall have
performed in all material respects all obligations required to be performed by
it under this Agreement at or prior to the Closing Date. Detective shall have
received a certificate signed on behalf of Lynx by its chief executive officer
to such effect.

                  SECTION 7.04. FRUSTRATION OF CLOSING CONDITIONS. None of Lynx,
Detective or Acquisition Sub may rely on the failure of any condition set forth
in Section 7.01, 7.02 or 7.03, as the case may be, to be satisfied if such
failure was caused by such party's failure to use its reasonable efforts to
consummate the transactions contemplated by this Agreement, and the Ancillary
Agreements, as required by and subject to Section 5.04.


                                  ARTICLE VIII

                        TERMINATION, AMENDMENT AND WAIVER


                                       53
<PAGE>



                  SECTION 8.01. TERMINATION. This Agreement may be terminated at
any time prior to the Closing (except as limited as to time in paragraph (b)
below):

                  (a) by mutual written consent of Lynx and Detective;

                  (b) by either Lynx or Detective:

                  (i) if the Closing shall not have occurred prior to May 31,
         2000; PROVIDED, FURTHER, HOWEVER, that the right to terminate this
         Agreement pursuant to this Section 8.01(b)(i) shall not be available to
         any party whose failure to perform any of its obligations under this
         Agreement results in the failure of the Closing to occur by such time;
         or

                  (ii) if the Detective Stockholder Approval shall not have been
         obtained at a Detective Shareholders Meeting duly convened therefor or
         at any adjournment or postponement thereof; or

                  (iii) if any Restraint having any of the effects set forth in
         Section 7.01(e) shall be in effect and shall have become final and
         nonappealable; provided that the party seeking to terminate this
         Agreement pursuant to this Section 8.01(b)(iii) shall have used
         reasonable efforts to prevent the entry of and to remove such
         Restraint.

                  (c) by Lynx, if Detective or any of its Affiliates shall have
breached or failed to perform in any material respect any of its
representations, warranties, covenants or other agreements contained in this
Agreement or the Ancillary Agreements, which breach or failure to perform (A)
would give rise to the failure of a condition set forth in Section 7.02(a) or
(b) and (B) has not been or is incapable of being cured by Detective or any of
its Affiliates within 30 calendar days after its receipt of written notice from
Lynx;

                  (d) by Detective, if Lynx or any of its Affiliates shall have
breached or failed to perform in any material respect any of its
representations, warranties, covenants or other agreements contained in this
Agreement or the Ancillary Agreements, which breach or failure to perform (A)
would give rise to the failure of a condition set forth in Section 7.03(a) or
(b) and (B) has not been or is incapable of being cured by Lynx or any of its
Affiliates within 30 calendar days after its receipt of written notice from or
Detective; or

                  (e) by Lynx, if there is any material breach of the
obligations set forth in Section 6.03 or if Detective withdraws its
recommendation of the Merger or the transactions contemplated by this Agreement
or the Ancillary Agreements.

                  SECTION 8.02. EFFECT OF TERMINATION. In the event of
termination of this Agreement by either Detective or Lynx as provided in Section
8.01, this Agreement shall forthwith become void and have no effect, without any
liability or obligation on the part of


                                       54
<PAGE>

Detective, Acquisition Sub or Lynx, other than the provisions of Section 3.17,
Section 4.17, Section 5.02, Section 5.08, this Section 8.02 and Article IX,
which provisions shall survive such termination, and except to the extent that
such termination results from the wilful and material breach by a party of any
of its representations, warranties, covenants or agreements set forth in this
Agreement. If this Agreement is terminated under circumstances in which Lynx is
entitled to receive the Termination Fee, the payment of such Termination Fee
shall be the sole and exclusive remedy (other than as provided for in the Lynx
Option Agreement) available to Lynx, except if there shall have been a willful
breach by Detective of Section 6.03.

                  SECTION 8.03. AMENDMENT. This Agreement may be amended by the
parties at any time before or after the Detective Stockholder Approval;
PROVIDED, HOWEVER, that after any such approval, there shall not be made any
amendment that by law requires further approval by the stockholders of Detective
without the further approval of such stockholders. This Agreement may not be
amended except by an instrument in writing signed on behalf of each of the
parties.

                  SECTION 8.04. EXTENSION; WAIVER. At any time prior to the
Closing, a party may (a) extend the time for the performance of any of the
obligations or other acts of the other parties, (b) waive any inaccuracies in
the representations and warranties of the other parties contained in this
Agreement or in any document delivered pursuant to this Agreement or (c) subject
to the proviso of Section 8.03, waive compliance by the other party with any of
the agreements or conditions contained in this Agreement. Any agreement on the
part of a party to any such extension or waiver shall be valid only if set forth
in an instrument in writing signed on behalf of such party. The failure of any
party to this Agreement to assert any of its rights under this Agreement or
otherwise shall not constitute a waiver of such rights.


                                   ARTICLE IX

                               GENERAL PROVISIONS

                  SECTION 9.01. NONSURVIVAL OF REPRESENTATIONS AND WARRANTIES.
None of the representations, warranties, covenants or agreements in this
Agreement or in any instrument delivered pursuant to this Agreement shall
survive the Closing. This Section 9.01 shall not limit any covenant or agreement
of the parties which by its terms contemplates performance after the Closing.

                  SECTION 9.02. NOTICES. All notices, requests, claims, demands
and other communications hereunder shall be in writing and shall be given or
made (and shall be deemed to have been duly given or made upon receipt) by
delivery in person, by overnight courier service, by cable, by facsimile, by
telegram, by telex or by registered or certified mail (postage prepaid, return
receipt requested) to the respective parties at the following addresses (or at
such other address for a party as shall be specified in a notice given in
accordance with this Section 9.02):


                                       55
<PAGE>

                  (a)      if to Detective or Acquisition Sub:

                           Data Broadcasting Corporation
                           3490 Clubhouse Drive
                           Jackson, WY 83001
                           Attention:  President
                           Telecopier:  (307) 733-4935

                           with a copy to:

                           Camhy Karlinsky & Stein LLP
                           1740 Broadway, 16th Floor
                           New York, NY  10019
                           Attention:  Alan I. Annex, Esq.
                           Telecopier:  (212) 977-8389

                  (b)      if to Lynx or Lynx Parent:

                           c/o Pearson Inc.
                           1330 Avenue of the Americas, 7th Floor
                           New York, NY  10019
                           Attention:  President
                           Telecopier:  (212) 641-2500

                           with a copy to:

                           Morgan, Lewis & Bockius LLP
                           101 Park Avenue
                           New York, New York  10178
                           Attention:  Anne E. Gold, Esq.
                           Telecopier:  (212) 309-6273

                  SECTION 9.03. HEADINGS. The headings contained in this
Agreement are for reference purposes only and shall not affect in any way the
meaning or interpretation of this Agreement.

                  SECTION 9.04. SEVERABILITY. If any term or other provision of
this Agreement is invalid, illegal or incapable of being enforced by any Law or
public policy, all other conditions and provisions of this Agreement shall
nevertheless remain in full force and effect so long as the economic or legal
substance of the transactions contemplated hereby is not affected in any manner
adverse to any party. Upon such determination that any term or other provision
is invalid, illegal or incapable of being enforced, the parties hereto shall
negotiate in good faith to modify this Agreement so as to effect the original
intent of the parties as closely as possible in a


                                       56
<PAGE>

mutually acceptable manner in order that the transactions contemplated hereby be
consummated as originally contemplated to the greatest extent possible.

                  SECTION 9.05. ENTIRE AGREEMENT. This Agreement and the
Ancillary Agreements constitute the entire agreement of the parties hereto with
respect to the subject matter hereof and supersede all prior agreements and
undertakings, both written and oral, other than the Confidentiality Agreement,
with respect to the subject matter hereof and thereof and except as otherwise
expressly provided herein and therein.

                  SECTION 9.06. ASSIGNMENT. This Agreement shall not be assigned
by operation of Law or otherwise, except that each of Lynx and Lynx Parent may
assign all or any of its respective rights and obligations hereunder to any of
its Affiliates, PROVIDED, HOWEVER, that no such assignment shall relieve the
assigning party of its obligations hereunder.

                  SECTION 9.07. NO THIRD-PARTY BENEFICIARIES. This Agreement is
for the sole benefit of the parties hereto and their permitted assigns and
nothing herein (other than as set forth in Section 5.14), express or implied, is
intended to or shall confer upon any other Person or entity any legal or
equitable right, benefit or remedy of any nature whatsoever under or by reason
of this Agreement.

                  SECTION 9.08. SECTIONS AND SCHEDULES. Any disclosure with
respect to a Section or Schedule of this Agreement shall be deemed to be
disclosure for all other Sections and Schedules of this Agreement.

                  SECTION 9.09. GOVERNING LAW. This Agreement shall be governed
by, and construed in accordance with, the Laws of the State of Delaware. All
actions and proceedings arising out of or relating to this Agreement shall be
heard and determined in a Delaware state or federal court sitting in the State
of Delaware, and the parties hereto hereby irrevocable submit to the exclusive
jurisdiction of such courts in any such action or proceeding and irrevocably
waive the defense of an inconvenient forum to the maintenance of any such action
or proceeding.

                  SECTION 9.10. COUNTERPARTS. This Agreement may be executed in
one or more counterparts, and by the different parties hereto in separate
counterparts, each of which when executed shall be deemed to be an original but
all of which taken together shall constitute one and the same agreement.
Delivery of an executed counterpart of a signature page to this Agreement by
telecopier shall be effective as delivery of a manually executed counterpart of
this Agreement.

                  SECTION 9.11. NO PRESUMPTION. This Agreement shall be
construed without regard to any presumption or rule requiring construction or
interpretation against the party drafting or causing any instrument to be
drafted.


                                       57
<PAGE>




                           [signature page to follow]




                                       58
<PAGE>


                  IN WITNESS WHEREOF, the parties hereto have caused this
Agreement to be executed as of the date first written above by their respective
officers thereunto duly authorized.


                                           INTERACTIVE DATA CORPORATION


                                           By: /s/ Philip J. Hoffman
                                              ----------------------------------
                                                 Name:       Philip J. Hoffman
                                                 Title:      Authorized Person


                                           PEARSON LONGMAN, INC.


                                           By: /s/ Philip J. Hoffman
                                              ----------------------------------
                                                 Name:       Philip J. Hoffman
                                                 Title:      Authorized Person


                                           DATA BROADCASTING CORPORATION


                                           By: /s/ Mark F. Imperiale
                                              ----------------------------------
                                                 Name:       Mark F. Imperiale
                                                 Title:      President

                                           and


                                           DETECTIVE MERGER-SUB, INC.


                                           By: /s/ Mark F. Imperiale
                                              ----------------------------------
                                                 Name:       Mark F. Imperiale
                                                 Title:      President




                      [Signature page to Merger Agreement]



<PAGE>
                                                                   Exhibit B

         OPTION AGREEMENT, dated as of November 14, 1999 (the "AGREEMENT"), by
and between DATA BROADCASTING CORPORATION, a Delaware corporation ("ISSUER"),
and INTERACTIVE DATA CORPORATION, a Delaware corporation ("Grantee").

                                    RECITALS

         WHEREAS, Issuer, Detective Merger-Sub, Inc., a Delaware corporation,
Pearson Longman, Inc., a Delaware corporation and Grantee have entered into an
Agreement and Plan of Merger dated as of the date hereof (the "MERGER
AGREEMENT"; defined terms used but not defined herein have the meanings set
forth in the Merger Agreement), providing for, among other things, the merger of
Acquisition Subsidiary, Inc. with and into Grantee which shall become a
wholly-owned subsidiary of Issuer as a result thereof; and

         WHEREAS, as a condition and inducement to Grantee's willingness to
enter into the Merger Agreement, Grantee has required that Issuer agree, and
Issuer has agreed, to grant Grantee the Option (as defined below).

         NOW, THEREFORE, the parties hereto hereby agree as follows:

         1. GRANT OF OPTION. Subject to the terms and conditions set forth
herein, Issuer hereby grants to Grantee an irrevocable option (the "OPTION") to
purchase up to 6,889,293.63 (as adjusted as set forth herein) shares (the
"OPTION SHARES") of Detective Common Stock at a purchase price of $7.65 (as
adjusted as set forth herein) per Option Share (the "PURCHASE PRICE").

         2. EXERCISE OF OPTION. (a) Grantee may, at any time or times, exercise
the Option, in whole or in part, subject to the provisions of Section 2(c),
after the occurrence of any event as a result of which the Grantee is entitled
to receive the Termination Fee pursuant to Section 5.08 of the Merger Agreement
(a "PURCHASE EVENT"); PROVIDED, HOWEVER, that (i) except as provided in the last
sentence of this Section 2(a), the Option will terminate and be of no further
force and effect upon the earliest to occur of (A) the Effective Time, (B) 12
months after the first occurrence of a Purchase Event, and (C) termination of
the Merger Agreement in accordance with its terms prior to the occurrence of a
Purchase Event, unless, in the case of clause (C), Grantee has the right to
receive a Termination Fee following such termination upon the occurrence of
certain events, in which case the Option will not terminate until the later of
(x) 12 months following the time such Termination Fee becomes payable and (y)
the expiration of the period in which the Grantee has such right to receive a
Termination Fee, and (ii) any purchase of Option Shares upon exercise of the
Option will be subject to compliance with the HSR Act and any applicable foreign
antitrust and competiton Laws, and the obtaining or making of any consents,
approvals, orders, notifications, filings or authorizations, the failure of
which to have obtained or made would violate any law, regulation or agreement to
which Issuer is subject (the "REGULATORY APPROVALS"). Notwithstanding the
foregoing, (A) if all necessary Regulatory Approvals have not been obtained
prior to the termination of the Option, such termination shall be extended to
the date that is the fifth Business Day after receipt of such Regulatory
Approvals,


<PAGE>

and (B) notwithstanding the termination of the Option, if Grantee has exercised
the Option in accordance with the terms hereof prior to the termination of the
Option, Grantee will be entitled to purchase the Option Shares and the
termination of the Option will not affect any rights hereunder.

                  (b) In the event that Grantee is entitled to and wishes to
exercise the Option, it will send to Issuer a written notice (an "EXERCISE
NOTICE"; the date of which being herein referred to as the "NOTICE DATE") to
that effect which Exercise Notice also specifies the number of Option Shares, if
any, Grantee wishes to purchase pursuant to this Section 2(b), the number of
Option Shares, if any, with respect to which Grantee wishes to exercise its
Cash-Out Right (as defined herein) pursuant to Section 6(c), the denominations
of the certificate or certificates evidencing the Option Shares which Grantee
wishes to purchase pursuant to this Section 2(b) and a date (an "OPTION CLOSING
DATE"), subject to the following sentence, not earlier than three Business Days
nor later than 20 Business Days from the Notice Date for the closing of such
purchase (an "OPTION CLOSING"). Any Option Closing will be at an agreed location
and time in New York, New York on the applicable Option Closing Date or at such
later date as may be necessary so as to comply with clause (ii) of the first
sentence of Section 2(a).

                  (c) Notwithstanding anything to the contrary contained herein,
any exercise of the Option and purchase of Option Shares shall be subject to
compliance with applicable laws and regulations, which may prohibit the purchase
of all the Option Shares specified in the Exercise Notice without first
obtaining or making certain Regulatory Approvals. In such event, if the Option
is otherwise exercisable and Grantee wishes to exercise the Option, the Option
may be exercised in accordance with Section 2(b) and Grantee shall acquire the
maximum number of Option Shares specified in the Exercise Notice that Grantee is
then permitted to acquire under the applicable laws and regulations, and if
Grantee thereafter obtains the Regulatory Approvals to acquire the remaining
balance of the Option Shares specified in the Exercise Notice, then Grantee
shall be entitled to acquire such remaining balance. Issuer agrees to use its
reasonable efforts to assist Grantee in seeking the Regulatory Approvals. In the
event (i) Grantee receives notice that a Regulatory Approval required for the
purchase of any Option Shares will not be issued or granted or (ii) such
Regulatory Approval has not been issued or granted within six months of the date
of the Exercise Notice, Grantee shall have the right to exercise its Cash-Out
Right pursuant to Section 6(c) with respect to the Option Shares for which such
Regulatory Approval will not be issued or granted or has not been issued or
granted.

         3. PAYMENT AND DELIVERY OF CERTIFICATES. (a) At any Option Closing,
Grantee will pay to Issuer in immediately available funds by wire transfer to a
bank account designated in writing by Issuer an amount equal to the Purchase
Price multiplied by the number of Option Shares to be purchased at such Option
Closing plus the amount of any transfer, stamp or other similar taxes or charges
imposed in connection therewith.

                  (b) At any Option Closing, simultaneously with the delivery of
immediately available funds as provided in Section 3(a), Issuer will deliver to
Grantee a certificate or



<PAGE>

certificates representing the Option Shares to be purchased at such Option
Closing, which Option Shares will be free and clear of all Liens, claims,
charges and encumbrances of any kind whatsoever, except pursuant to applicable
federal and state securities laws. If at the time of issuance of Option Shares
pursuant to an exercise of the Option hereunder, Issuer shall have issued any
securities similar to rights under a stockholder rights plan, then each Option
Share issued pursuant to such exercise will also represent such a corresponding
right with terms substantially the same as and at least as favorable to Grantee
as are provided under any such stockholder rights plan then in effect.

                  (c) Certificates for the Option Shares delivered at an Option
Closing will have typed or printed thereon a restrictive legend which will read
substantially as follows:

         "THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
         REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY BE
         REOFFERED OR SOLD ONLY IF SO REGISTERED OR IF AN EXEMPTION FROM SUCH
         REGISTRATION IS AVAILABLE."

It is understood and agreed that (i) the reference to restrictions arising under
the Securities Act in the above legend will be removed by delivery of substitute
certificate(s) without such reference if such Option Shares have been registered
pursuant to the Securities Act, such Option Shares have been sold in reliance on
and in accordance with Rule 144 under the Securities Act or Grantee has
delivered to Issuer a copy of a letter from the staff of the SEC, or an opinion
of counsel to the effect that such legend is not required for purposes of the
Securities Act and (ii) the reference to restrictions pursuant to this Agreement
in the above legend will be removed by delivery of substitute certificate(s)
without such reference if the Option Shares evidenced by certificate(s)
containing such reference have been sold or transferred in compliance with the
provisions of this Agreement under circumstances that do not require the
retention of such reference.

         4. REPRESENTATIONS AND WARRANTIES OF ISSUER. Issuer hereby represents
and warrants to Grantee as follows:

                  (a) INCORPORATION AND AUTHORITY OF ISSUER. Issuer is a
corporation duly incorporated, validly existing and in good standing under the
laws of Delaware and has all necessary corporate power and authority to enter
into this Agreement, to carry out its obligations hereunder and to consummate
the transactions contemplated hereby. The execution and delivery of this
Agreement by Issuer, the performance by Issuer of its obligations hereunder and
the consummation by Issuer of the transactions contemplated hereby have been
duly authorized by all requisite corporate action on the part of Issuer. This
Agreement has been duly executed and delivered by Issuer, and (assuming due
authorization, execution and delivery by Grantee) this Agreement constitutes
legal, valid and binding obligations of Issuer enforceable against Issuer in
accordance with their terms.


<PAGE>


                  (b) CAPITAL STOCK OF ISSUER. As of the date hereof, the
authorized capital stock of Issuer consists of 75,000,000 shares of common
stock, par value $.01 per share (the "COMMON STOCK"), and 5,000,000 shares of
Preferred Stock, par value $.01 per share. As of November 10, 1999, 34,463,700
shares of Detective Common Stock are validly issued, outstanding, fully paid and
nonassessable, and have been issued in compliance with all applicable federal
and, to the knowledge of Issuer, state securities laws. 2,981,350 shares of
Detective Common Stock are held as treasury stock. No other shares of capital
stock of Issuer have been issued or are outstanding. SECTION 4.02 OF THE
DETECTIVE DISCLOSURE SCHEDULE describes the nature, holder, exercise price and
other material terms of each outstanding Option of Detective, in each case, as
of the date hereof and as of the Closing Date. Except as disclosed in SECTION
4.02 OF THE DETECTIVE DISCLOSURE SCHEDULE, there are no outstanding Options or
agreements, arrangements or understandings to issue Options with respect to
Detective and there are no preemptive rights or agreements, arrangements or
understandings to issue preemptive rights with respect to the issuance or sale
of Detective's capital stock. Issuer has taken all necessary corporate and other
action to authorize and reserve and, subject to the expiration or termination of
any required waiting period under the HSR Act and other Regulatory Approvals
that are required, to permit it to issue, and, at all times from the date hereof
until the obligation to deliver Option Shares upon the exercise of the Option
terminates, shall have reserved for issuance, upon exercise of the Option,
shares of Detective Common Stock necessary for Grantee to exercise the Option,
and Issuer will take all necessary corporate action to authorize and reserve for
issuance all additional shares of Detective Common Stock or other securities
which may be issued pursuant to Section 6 upon exercise of the Option. The
shares of Detective Common Stock to be issued upon due exercise of the Option,
including all additional shares of Detective Common Stock or other securities
which may be issuable upon exercise of the Option or any other securities which
may be issued pursuant to Section 6, upon issuance pursuant hereto, will be duly
and validly issued, fully paid and nonassessable, and will be delivered free and
clear of all Liens, claims, charges and encumbrances of any kind or nature
whatsoever, including without limitation any preemptive rights of any
stockholder of Issuer, but will be subject to applicable securities laws.

                  (c) NO CONFLICT. The execution, delivery and performance of
this Agreement by Issuer does not and will not (a) violate or conflict with the
Certificate of Incorporation, other constitutive documents or by-laws of Issuer
or any of its Subsidiaries, (b) conflict with or violate any Law or Governmental
Order applicable to Issuer or any of its Subsidiaries, or (c) result in any
breach of, or constitute a default (or event which with the giving of notice or
lapse of time, or both, would become a default) under, or give to any Person any
rights of termination, amendment, acceleration or cancellation of, or result in
the creation of any Lien on Issuer pursuant to, any Contract, License or other
material instrument to which Issuer or any of its Subsidiaries is a party or by
which Issuer or any of its Subsidiaries is bound or affected, except, in the
case of clauses (b) and (c) above, (i) for conflicts, violations, breaches,
defaults, rights of termination, amendment, acceleration or cancellation, or
Liens as would not, individually or in the aggregate, have a Material Adverse
Effect on Issuer or (ii) for Liens created by or through Grantee or any of its
Affiliates.


<PAGE>


         5. REPRESENTATIONS AND WARRANTIES OF GRANTEE. Grantee hereby represents
and warrants to Issuer that:

                  PURCHASE NOT FOR DISTRIBUTION. Any Option Shares or other
         securities acquired by Grantee upon exercise of the Option will not be
         transferred or otherwise disposed of except in a transaction
         registered, or exempt from registration, under the Securities Act.

         6. ADJUSTMENT UPON CHANGES IN CAPITALIZATION, ETC. (a) In the event of
any change in Detective Common Stock by reason of a stock dividend, split-up,
merger, recapitalization, combination, exchange of shares, or similar
transaction, the type and number of shares or securities subject to the Option,
and the Purchase Price thereof, will be adjusted appropriately, and proper
provision will be made in the agreements governing such transaction, so that
Grantee will receive upon exercise of the Option the number and class of shares
or other securities or property that Grantee would have received in respect of
Detective Common Stock if the Option had been exercised immediately prior to
such event or the record date therefor, as applicable, provided that no such
adjustment shall be required in connection with the exercise of options or
similar rights under any stock option plan or benefit arrangement in effect on
the date hereof or in connection with the conversion of any convertible or
exchangeable securities outstanding on the date hereof.

                  (b) Without limiting the parties' relative rights and
obligations under the Merger Agreement, in the event that Issuer enters into an
agreement (i) to consolidate with or merge into any person, other than Grantee
or one of its Subsidiaries, and Issuer will not be the continuing or surviving
corporation in such consolidation or merger, (ii) to permit any Person, other
than Grantee or one of its Subsidiaries, to merge into Issuer and Issuer will be
the continuing or surviving corporation, but in connection with such merger, the
shares of Detective Common Stock outstanding immediately prior to the
consummation of such merger will be changed into or exchanged for stock or other
securities of Issuer or any other person or cash or any other property, or the
shares of Detective Common Stock outstanding immediately prior to the
consummation of such merger will, after such merger, represent less than 50% of
the outstanding voting securities of the merged company, or (iii) to sell or
otherwise transfer all or substantially all of its assets to any person, other
than Grantee or one of its Subsidiaries, then, and in each such case, the
agreement governing such transaction will make proper provision so that the
Option will, upon the consummation of any such transaction and upon the terms
and conditions set forth herein, be converted into, or exchanged for, an option
with identical terms appropriately adjusted to acquire the number and class of
shares or other securities or cash or other property that Grantee would have
received in respect of Detective Common Stock if the Option had been exercised
immediately prior to such consolidation, merger, sale, or transfer, or the
record date therefor, as applicable and make any other necessary adjustments.

                  (c) If, at any time during the period commencing on a Purchase
Event and ending on the termination of the Option in accordance with Section 2,
Grantee sends to Issuer an



<PAGE>


Exercise Notice indicating Grantee's election to exercise its right (the
"CASH-OUT RIGHT") pursuant to this Section 6(c), then Issuer shall pay to
Grantee, on the Option Closing Date, in exchange for the cancellation of the
Option with respect to such number of Option Shares as Grantee specifies in the
Exercise Notice, an amount in cash equal to such number of Option Shares
multiplied by the difference between (i) the average closing price, for the 10
trading days commencing on the 12th trading day immediately preceding the date
of delivery of such Exercise Notice, per share of Detective Common Stock as
reported on The NASDAQ National Market (or, if not listed on The NASDAQ National
Market, as reported on any other national securities exchange or national
securities quotation system on which the Detective Common Stock is listed or
quoted, as reported in The Wall Street Journal (Northeast edition), or, if not
reported thereby, any other authoritative source) (the "CLOSING PRICE") and (ii)
the Purchase Price. Notwithstanding the termination of the Option, Grantee will
be entitled to exercise its rights under this Section 6(c) if it has exercised
such rights in accordance with the terms hereof prior to the termination of the
Option.

         7. PROFIT LIMITATIONS. (a) Notwithstanding any other provision of this
Agreement, in no event shall the Total Option Profit (as defined herein) exceed
in the aggregate $3,600,000 million (such amount, the "PROFIT LIMIT") and, if
any payment to be made to Grantee otherwise would cause such aggregate amount to
be exceeded, the Grantee, at its sole election, shall either (i) reduce the
number of shares of Detective Common Stock subject to this Option, (ii) deliver
to Issuer for cancellation Option Shares previously purchased by Grantee, (iii)
pay cash to Issuer or (iv) any combination thereof, so that the Total Option
Profit shall not exceed the Profit Limit after taking into account the foregoing
actions.

                  (b) Notwithstanding any other provision of this Agreement, the
Option may not be exercised for a number of shares of Detective Common Stock as
would, as of the date of exercise, result in a Notional Total Option Profit (as
hereinafter defined) which would exceed in the aggregate the Profit Limit and,
if it otherwise would exceed such amount, the Grantee, at its sole election,
shall on or prior to the date of exercise either (i) reduce the number of shares
of Detective Common Stock subject to such exercise, (ii) deliver to Issuer for
cancellation Option Shares previously purchased by Grantee, (iii) pay cash to
Issuer or (iv) any combination thereof, so that the Notional Total Option Profit
shall not exceed the Profit Limit after taking into account the foregoing
actions, provided that this paragraph (b) shall not be construed as to terminate
the Option in whole or in part or to restrict any exercise of the Option that is
not prohibited hereby on any subsequent date.

                  (c) As used herein, the term "TOTAL OPTION PROFIT" shall mean
the aggregate amount (before taxes) of the following: (i) any amount received by
Grantee pursuant to the Cash-Out Right, (ii)(x) the net consideration, if any,
received by Grantee pursuant to the sale of Option Shares (or any other
securities into which such Option Shares are converted or exchanged) to any
unaffiliated party, valuing any non-cash consideration at its fair market value
(as defined below), less (y) the Exercise Price and any cash paid by Grantee to
Issuer pursuant to Section 7(a)(iii) or Section 7(b)(iii) and (iii) the net cash
amounts received by Grantee on the


<PAGE>

transfer (in accordance with Section 12(g)) of the Option (or any portion
thereof) to any unaffiliated party.

                  (d) As used herein, the term "NOTIONAL TOTAL OPTION PROFIT"
with respect to any number of shares of Option Shares as to which Grantee may
propose to exercise the Option shall be the aggregate of (i) the Total Option
Profit determined under paragraph (c) above with respect to prior exercises and
(ii) Total Option Profit with respect to such number of shares of Detective
Common Stock as to which Grantee proposes to exercise and all other Option
Shares held by Grantee and its affiliates as of such date, assuming that all
such shares were sold for cash at the closing market price for Detective Common
Stock as of the close of business on the preceding trading day (less customary
brokerage commissions or underwriting discounts).

                  (e) As used herein, the "fair market value" of any non-cash
consideration consisting of:

                           (i) securities listed on a national securities
         exchange or traded on The NASDAQ National Market shall be equal to the
         average closing price per share of such security as reported on such
         exchange or The NASDAQ National Market for the five trading days after
         the date of determination; and

                           (ii) consideration which is other than cash or
         securities of the form specified in clause (i) above shall be
         determined by a nationally recognized independent investment banking
         firm mutually agreed upon by the parties within five business days of
         the event requiring selection of such banking firm, provided that if
         the parties are unable to agree within two business days after the date
         of such event as to the investment banking firm, then the parties shall
         each select one firm, and those firms shall select a third nationally
         recognized independent investment banking firm, which third firm shall
         make such determination.

         8. REGISTRATION RIGHTS. Issuer will, if requested by Grantee at any
time and from time to time within two years of the exercise of the Option, as
expeditiously as possible prepare and file up to three registration statements
under the Securities Act if such registration is necessary in order to permit
the sale or other disposition of any or all shares of securities that have been
acquired by or are issuable to Grantee upon exercise of the Option in accordance
with the intended method of sale or other disposition stated by Grantee,
including a "shelf" registration statement under Rule 415 under the Securities
Act or any successor provision, and Issuer will use its reasonable efforts to
qualify such shares or other securities under any applicable state securities
laws, provided that Issuer shall not be required to effect such registration if
less than 10% of the Option Shares subject to the Option will be offered for
sale pursuant thereto. Issuer will use reasonable efforts to cause each such
registration statement to become effective, to obtain all consents or waivers of
other parties which are required therefor, and to keep such registration
statement effective for such period not in excess of 120 calendar days from the
day such registration statement first becomes effective as may be reasonably


<PAGE>


necessary to effect such sale or other disposition. The obligations of Issuer
hereunder to file a registration statement and to maintain its effectiveness may
be suspended for up to 120 calendar days in the aggregate if the Board of
Directors of Issuer shall have determined in good faith that the filing of such
registration statement or the maintenance of its effectiveness would require
premature disclosure of material nonpublic information that would materially and
adversely affect Issuer or otherwise interfere with or adversely affect any
pending or proposed offering of securities of Issuer or any other material
transaction involving Issuer. Any registration statement prepared and filed
under this Section 8, and any sale covered thereby, will be at Issuer's expense
except for underwriting discounts or commissions, brokers' fees and the fees and
disbursements of Grantee's counsel related thereto. Grantee will provide all
information reasonably requested by Issuer for inclusion in any registration
statement to be filed hereunder. If, during the time periods referred to in the
first sentence of this Section 8, Issuer effects a registration under the
Securities Act of Detective Common Stock for its own account or for any other
stockholders of Issuer (other than on Form S-4 or Form S-8, or any successor
form), it will allow Grantee the right to participate in such registration, and
such participation will not affect the obligation of Issuer to effect demand
registration statements for Grantee under this Section 8; provided that, if the
managing underwriters of such offering advise Issuer in writing that in their
opinion the number of shares of Detective Common Stock requested to be included
in such registration exceeds the number which can be sold in such offering,
Issuer will include the shares requested to be included therein by Grantee pro
rata with the shares intended to be included therein by Issuer or any other
stockholders who may have priority as to the Issuer. In connection with any
registration pursuant to this Section 8, Issuer and Grantee will provide each
other and any underwriter of the offering with customary representations,
warranties, covenants, indemnification, and contribution in connection with such
registration.

         9. QUOTATION. If Detective Common Stock or any other securities to be
acquired upon exercise of the Option are then approved for quotation on The
NASDAQ National Market (or any other national securities exchange or national
securities quotation system), Issuer, upon the request of Grantee, will promptly
file an application to have approved for quotation the shares of Detective
Common Stock or other securities to be acquired upon exercise of the Option on
The NASDAQ National Market (and any such other national securities exchange or
national securities quotation system) and will use reasonable efforts to obtain
approval of such quotation as promptly as practicable.

         10. LOSS OR MUTILATION. Upon receipt by Issuer of evidence reasonably
satisfactory to it of the loss, theft, destruction or mutilation of this
Agreement, and (in the case of loss, theft or destruction) of reasonably
satisfactory indemnification, and upon surrender and cancellation of this
Agreement, if mutilated, Issuer will execute and deliver a new Agreement of like
tenor and date. Any such new Agreement executed and delivered will constitute an
additional contractual obligation on the part of Issuer, whether or not the
Agreement so lost, stolen, destroyed, or mutilated shall at any time be
enforceable by anyone.


<PAGE>


         11. MISCELLANEOUS. (a) EXPENSES. Each of the parties hereto will bear
and pay all costs and expenses incurred by it or on its behalf in connection
with the transactions contemplated hereunder, including fees and expenses of its
own financial consultants, investment bankers, accountants, and counsel.

                  (b) AMENDMENT. This Agreement may not be amended, except by an
instrument in writing signed on behalf of each of the parties.

                  (c) EXTENSION; WAIVER. Any agreement on the part of a party to
waive any provision of this Agreement, or to extend the time for performance,
will be valid only if set forth in an instrument in writing signed on behalf of
such party. The failure of any party to this Agreement to assert any of its
rights under this Agreement or otherwise will not constitute a waiver of such
rights.

                  (d) ENTIRE AGREEMENT; NO THIRD-PARTY BENEFICIARIES. This
Agreement, the Merger Agreement (including the documents and instruments
attached thereto as exhibits or schedules or delivered in connection therewith),
the Registration Rights Agreement, the Voting and Standstill Agreements, the Tax
Cooperation Agreement and the Confidentiality Agreement constitute the entire
agreement, and supersede all prior agreements and understandings, both written
and oral, between the parties (and their Affiliates) with respect to the subject
matter hereof and thereof.

                  (e) GOVERNING LAW. This Agreement will be governed by, and
construed in accordance with, the laws of the State of Delaware, regardless of
the laws that might otherwise govern under applicable principles of conflict of
laws thereof.

                  (f) NOTICES. All notices, requests, claims, demands, and other
communications under this Agreement shall be sent in the manner, with the effect
and to the addresses set forth in the Merger Agreement.

                  (g) ASSIGNMENT. Neither this Agreement, the Option nor any of
the rights, interests, or obligations under this Agreement may be assigned or
delegated, in whole or in part, by operation of law or otherwise, by Issuer or
Grantee without the prior written consent of the other; PROVIDED, HOWEVER, that
Grantee may assign all or any of its rights and obligations hereunder to any
Affiliate or Affiliates of Grantee, PROVIDED, FURTHER, HOWEVER, that no such
assignment shall relieve Grantee of its obligations hereunder. Any assignment or
delegation in violation of the preceding sentence will be void. Subject to the
first and second sentences of this Section 11(g), this Agreement will be binding
upon, inure to the benefit of, and be enforceable by, the parties and their
respective successors and assigns.

                  (h) FURTHER ASSURANCES. In the event of any exercise of the
Option by Grantee, Issuer and Grantee will execute and deliver all other
documents and instruments and take all



<PAGE>


other actions that may be reasonably necessary in order to consummate the
transactions provided for by such exercise.

                  (i) ENFORCEMENT. The parties agree that irreparable damage
would occur and that the parties would not have any adequate remedy at law in
the event that any of the provisions of this Agreement were not performed in
accordance with their specific terms or were otherwise breached. It is
accordingly agreed that the parties will be entitled to an injunction or
injunctions to prevent breaches of this Agreement and to enforce specifically
the terms and provisions of this Agreement in any Federal court located in the
State of Delaware or in Delaware state court, the foregoing being in addition to
any other remedy to which they are entitled at law or in equity. In addition,
each of the parties hereto (i) consents to submit itself to the personal
jurisdiction of any Federal court located in the State of Delaware or any
Delaware state court in the event any dispute arises out of this Agreement or
any of the transactions contemplated by this Agreement, (ii) agrees that it will
not attempt to deny or defeat such personal jurisdiction by motion or other
request for leave from any such court, and (iii) agrees that it will not bring
any action relating to this Agreement or any of the transactions contemplated by
this Agreement in any court other than a Federal court sitting in the State of
Delaware or a Delaware state court.

                  (j) SEVERABILITY. If any term or other provision of this
Agreement is invalid, illegal or incapable of being enforced by any rule of law
or public policy, all other conditions and provisions of this Agreement shall
nevertheless remain in full force and effect. Upon such determination that any
term or other provision is invalid, illegal or incapable of being enforced, the
parties hereto shall negotiate in good faith to modify this Agreement so as to
effect the original intent of the parties as closely as possible to the fullest
extent permitted by applicable law in an acceptable manner to the end that the
transactions contemplated hereby are fulfilled to the extent possible.

                           [Signature Page to follow]

<PAGE>


         IN WITNESS WHEREOF, Issuer and Grantee have caused this Agreement to be
signed by their respective officers thereunto duly authorized as of the day and
year first written above.

                                    DATA BROADCASTING CORPORATION

                                    By:    /s/ Mark F. Imperiale
                                          ---------------------------------
                                          Name:       Mark F. Imperiale
                                          Title:      President

                                    INTERACTIVE DATA CORPORATION

                                    By:    /s/ Philip J. Hoffman
                                          ---------------------------------
                                          Name:       Philip J. Hoffman
                                          Title:      Authorized Person



                      [Signature Page to Option Agreement]

<PAGE>
                                                                   Exhibit C



         VOTING AND STANDSTILL AGREEMENT, dated as of November 14, 1999 (this
"AGREEMENT") by and between Interactive Data Corporation, a Delaware corporation
("LYNX"), and Alan J. Hirschfield Living Trust (the "STOCKHOLDER"). Capitalized
terms used but not defined herein shall have the meanings set forth in the
Agreement and Plan of Merger, dated the date hereof (as such agreement may be
amended from time to time, the "MERGER AGREEMENT").

         WHEREAS, concurrently herewith, Lynx, Pearson Longman, Inc., a Delaware
corporation, Detective Merger-Sub, Inc., a Delaware corporation ("ACQUISITION
SUB") and Data Broadcasting Corporation, a Delaware corporation ("DETECTIVE"),
are entering into the Merger Agreement, which provides for, among other things,
the merger of Acquisition Sub with and into Lynx.

         WHEREAS, as a condition to Lynx's entering into the Merger Agreement,
the Stockholder has agreed to enter into this Agreement with Lynx.

         NOW, THEREFORE, in order to implement the foregoing and in
consideration of the mutual agreements contained herein, the parties hereby
agree as follows:

         Section 1. CERTAIN DEFINITIONS. The following terms, when used in this
Agreement, shall have the following meanings (such definitions to be equally
applicable to both singular and plural terms of the terms defined):

         "BENEFICIALLY OWN" or "BENEFICIAL OWNERSHIP" with respect to any
securities shall mean having Abeneficial ownership" of such securities (as
determined pursuant to Rule 13d-3 under the Exchange Act), including pursuant to
any agreement, arrangement or understanding, whether or not in writing. Without
duplicative counting of the same securities by the same holder, securities
Beneficially Owned by a Person shall include securities Beneficially Owned by
all other Persons with whom such Person would constitute a "group" as described
in Section 13(d)(3) of the Exchange Act.

         "DETECTIVE" has the meaning ascribed thereto in the recitals of this
Agreement.

         "EXISTING SHARES" has the meaning ascribed thereto in Section 2(a)(i).

         "LYNX" has the meaning ascribed thereto in the introductory paragraph
of this Agreement.

         "MERGER AGREEMENT" has the meaning ascribed thereto in the introductory
paragraph of this Agreement.

         "PERMITTED TRANSFEREE" means (a) a spouse or lineal descendent
(including by adoption and stepchildren), heir, executor, testamentary trustee
or legatee of the Stockholder or (b) any trust or estate the beneficiaries of
which, or any corporation, limited liability company or


                                      -1-
<PAGE>

partnership, the stockholders, members or partners of which, include only the
Stockholder and the Persons described in clause (a) above.

         "SHARES" means the Existing Shares, together with any shares of
Detective Common Stock acquired of record or beneficially by the Stockholder in
any capacity after the date hereof and prior to the termination hereof, whether
upon exercise of options, conversion of convertible securities, purchase,
exchange or otherwise; PROVIDED, HOWEVER, that in the event of a stock dividend
or distribution, or any change in the Detective Common Stock by reason of any
stock dividend, split-up, recapitalization, combination, exchange of shares or
the like, the term AShares" shall be deemed to refer to and include the Shares
as well as all such stock dividends and distributions and any shares into which
or for which any or all of the Shares may be changed or exchanged.

         "STOCKHOLDER" has the meaning ascribed thereto in the introductory
paragraph to this Agreement.

         "TERMINATION DATE" has the meaning ascribed thereto in Section 9 of
this Agreement.

         "TRUSTEE" has the meaning ascribed thereto in Section 2(a)(i) of this
Agreement.

         Section 2. REPRESENTATIONS AND WARRANTIES OF THE STOCKHOLDER. The
Stockholder hereby represents and warrants to Lynx as follows:

                  (a) (i) The Stockholder is either (A) the record holder or
                  beneficial owner of the number of, or (B) trustee ("TRUSTEE")
                  of a trust that is the record holder or beneficial owner of,
                  and whose beneficiaries are the beneficial owners of the
                  shares of Detective Common Stock set forth opposite the
                  Stockholder's name on SCHEDULE I hereto (the "EXISTING
                  SHARES").

                           (ii) On the date hereof, the Existing Shares
                  constitute all of the outstanding shares of Detective Common
                  Stock owned of record or beneficially by the Stockholder.

                           (iii) The Stockholder has sole power of disposition
                  and sole voting power with respect to the matters set forth in
                  Section 4 hereof and sole power to demand dissenter's or
                  appraisal rights, in each case with respect to all of the
                  Existing Shares, with no restrictions on such rights, subject
                  to applicable securities laws and the terms of this Agreement.

                           (iv) The Stockholder will have sole power of
                  disposition and will have sole voting power with respect to
                  the matters set forth in Section 4 hereof and sole power to
                  demand dissenter's or appraisal rights, in each case with
                  respect to all Shares other than Existing Shares, if any,
                  which become beneficially owned by


                                      -2-
<PAGE>


                  the Stockholder, with no restrictions on such rights, subject
                  to applicable securities laws and the terms of this Agreement.

                  (b) The Stockholder has the legal capacity, power and
         authority to enter into and perform all of the Stockholder's
         obligations under this Agreement. The execution, delivery and
         performance of this Agreement by the Stockholder will not violate any
         other Contract to which the Stockholder is a party or by which the
         Stockholder is bound including, without limitation, any trust
         agreement, voting agreement, stockholders agreement, voting trust,
         partnership or other agreement. This Agreement has been duly and
         validly executed and delivered by the Stockholder and (assuming due
         authorization, execution and delivery by Lynx) constitutes a legal,
         valid and binding agreement of the Stockholder, enforceable against the
         Stockholder in accordance with its terms. All necessary consents of any
         beneficiary of or holder of interest in any trust of which the
         Stockholder is Trustee to the execution and delivery of this Agreement
         and the consummation of the transactions contemplated hereby have been
         obtained. If the Stockholder is married and the Stockholder's Shares
         constitute community property, this Agreement has been duly authorized,
         executed and delivered by, and constitutes a valid and binding
         agreement of, the Stockholder's spouse, enforceable against such person
         in accordance with its terms.

                  (c) Except for filings under the HSR Act, if applicable, (i)
         no filing with, and no permit, authorization, consent or approval of,
         any state or federal public body or authority is necessary for the
         execution of this Agreement by the Stockholder and the consummation by
         the Stockholder of the transactions contemplated hereby and (ii)
         neither the execution and delivery of this Agreement by the Stockholder
         nor the consummation by the Stockholder of the transactions
         contemplated hereby nor compliance by the Stockholder with the
         provisions hereof shall (x) conflict with or result in any breach of
         any applicable trust, partnership agreement or other Contracts or
         organizational documents applicable to the Stockholder, (y) result in a
         violation or breach of, or constitute (with or without notice or lapse
         of time or both) a default (or give rise to any right of termination,
         cancellation, material modification or acceleration), under any of the
         terms, conditions or provisions of any Contract to which the
         Stockholder is a party or by which the Stockholder or any of the
         Stockholder's properties or assets may be bound or (z) violate any
         Governmental Order applicable to the Stockholder or any of the
         Stockholder's properties or assets.

                  (d) Except for the shares of Detective Common Stock identified
         in SCHEDULE II hereto (the "PLEDGED SHARES"), the Stockholder's Shares
         and the certificates representing such Shares are now and at all times
         during the term hereof will be held by the Stockholder, or by a nominee
         or custodian for the benefit of the Stockholder, free and clear of all
         Liens, proxies, voting trusts or arrangements or any other encumbrances
         whatsoever, except for any of the same arising hereunder.


                                      -3-
<PAGE>


                  (e) No broker, investment banker, financial adviser or other
         Person is entitled to any broker's, finder's, financial adviser's or
         other similar fee or commission in connection with the transactions
         contemplated hereby based upon arrangements made by or on behalf of the
         Stockholder in his or her capacity as such.

                  (f) The Stockholder understands and acknowledges that Lynx is
         entering into the Merger Agreement in reliance upon the Stockholder's
         execution and delivery of this Agreement with Lynx.

         Section 3. REPRESENTATIONS AND WARRANTIES OF LYNX. Lynx hereby
represents and warrants to each the Stockholder as follows:

                  (a) Lynx is a corporation duly organized, validly existing and
         in good standing under the laws of the State of Delaware.

                  (b) Lynx has all necessary corporate power and authority to
         execute and deliver this Agreement and to consummate the transactions
         contemplated hereby. The execution, delivery and performance by Lynx of
         this Agreement and the consummation by Lynx of the transactions
         contemplated hereby have been duly and validly authorized and approved
         by all required corporate action. This Agreement has been duly executed
         and delivered by Lynx, and (assuming due authorization, execution and
         delivery by the Stockholder) constitutes a legal, valid and binding
         obligation of Lynx, enforceable against it in accordance with its
         terms.

                  (c) Except for filings under the HSR Act, if applicable, (i)
         no filing with and no permit, authorization, consent or approval of,
         any state or federal public body or authority is necessary for the
         execution of this Agreement by Lynx and the consummation by Lynx of the
         transactions contemplated hereby and (ii) neither the execution and
         delivery of this Agreement by Lynx nor the consummation by Lynx of the
         transactions contemplated hereby nor compliance by Lynx with the
         provisions hereof shall (x) conflict with or result in any breach of
         any applicable trust, partnership agreement or other Contracts or
         organizational documents applicable to Lynx, (y) result in a violation
         or breach of, or constitute (with or without notice or lapse of time or
         both) a default (or give rise to any right of termination,
         cancellation, material modification or acceleration) under any of the
         terms, conditions or provisions of any Contract to which Lynx is a
         party or by which Lynx or any of Lynx's properties or assets may be
         bound or (z) violate any Governmental Order applicable to Lynx or any
         of Lynx's properties or assets.

         Section 4. AGREEMENT TO VOTE; PROXY

                  (a) The Stockholder hereby agrees that, until the Termination
         Date (as defined in Section 9), at any meeting of the stockholders of
         Detective, however called, or in

                                      -4-
<PAGE>


         connection with any action by written consent of the stockholders of
         Detective, the Stockholder shall vote (or cause to be voted) or act by
         written consent with respect to the Shares (i) in favor of the Merger,
         the Amended Charter and the election of the Post-Closing Directors, the
         execution and delivery by Detective of the Merger Agreement and the
         Ancillary Agreements and the approval of the terms thereof and each of
         the other actions contemplated by the Merger Agreement and this
         Agreement and any actions required in furtherance hereof and thereof;
         (ii) against any action or agreement that would result in a breach of
         any covenant, representation or warranty or any other obligation or
         agreement of Detective under the Merger Agreement, the Ancillary
         Agreements or this Agreement; and (iii) against the following actions
         (other than the Merger and the transactions contemplated by the Merger
         Agreement or any such actions identified in writing by Lynx in
         advance): (A) any extraordinary corporate transaction, including,
         without limitation, a merger, consolidation or other business
         combination involving Detective or any of its Subsidiaries; (B) a sale,
         lease or transfer of a material amount of assets of Detective or any of
         its Subsidiaries or a reorganization, recapitalization, dissolution or
         liquidation of Detective or any of its Subsidiaries; (C) any change in
         the majority of the board of directors of Detective; (D) any change in
         the present capitalization of Detective or any amendment of Detective's
         Certificate of Incorporation or by-laws (other than as contemplated by
         the Amended Charter); (E) any other change in Detective's corporate
         structure or business; or (F) any other action which is intended, or
         could reasonably be expected, to impede, interfere with, delay,
         postpone, discourage or materially adversely affect the Merger or the
         transactions contemplated by the Merger Agreement, the Ancillary
         Agreements or this Agreement. The Stockholder shall not enter into any
         Contract or understanding with any Person to vote or give instructions
         in any manner inconsistent with the terms of this Agreement.

                  (b) STOCKHOLDER HEREBY GRANTS TO, AND APPOINTS, LYNX AND ANY
         DESIGNEE OF LYNX, EACH OF THEM INDIVIDUALLY, STOCKHOLDER'S IRREVOCABLE
         (UNTIL THE TERMINATION DATE) PROXY AND ATTORNEY-IN-FACT (WITH FULL
         POWER OF SUBSTITUTION) TO VOTE THE SHARES AS SET FORTH IN SECTION 4(a)
         ABOVE. STOCKHOLDER INTENDS THIS PROXY TO BE IRREVOCABLE (UNTIL THE
         TERMINATION DATE) AND COUPLED WITH AN INTEREST AND WILL TAKE SUCH
         FURTHER ACTION AND EXECUTE SUCH OTHER INSTRUMENTS AS MAY BE NECESSARY
         TO EFFECTUATE THE INTENT OF THIS PROXY AND HEREBY REVOKES ANY PROXY
         PREVIOUSLY GRANTED BY SUCH STOCKHOLDER WITH RESPECT TO SUCH SHARES.

         Section 5. CERTAIN COVENANTS OF THE STOCKHOLDER. Except in accordance
with the terms of this Agreement, the Stockholder hereby covenants and agrees as
follows:

                  (a) Prior to the Termination Date, the Stockholder shall not,
         in its capacity as such, directly or indirectly (including through
         advisors, agents or other intermediaries),


                                      -5-
<PAGE>


         solicit, initiate or encourage (including by way of furnishing
         information) or respond to (or take any other action designed to
         facilitate) any inquiries or the making of any proposal by any Person
         (other than Lynx or any Affiliate thereof) with respect to Detective
         that constitutes or could reasonably be expected to lead to a Detective
         Takeover Proposal or engage in any discussions or negotiations with
         regard to any Detective Takeover Proposal.

                  (b) Prior to the Termination Date, the Stockholder shall not,
         directly or indirectly (i) except pursuant to the terms of the Merger
         Agreement or this Agreement, offer for sale, sell, transfer, tender,
         pledge, encumber, assign or otherwise dispose of, enforce or permit the
         execution of the provisions of any redemption agreement with Detective,
         enter into any Contract, Option or other arrangement or understanding
         with respect to, or consent to the offer for sale, sale, transfer,
         tender, pledge, encumbrance, assignment or other disposition of, or
         exercise any discretionary powers to distribute, any or all of the
         Shares or any interest therein, including any trust income or
         principal, except in each case to a Permitted Transferee who is or
         agrees to become bound by this Agreement; (ii) except as contemplated
         hereby, grant any proxies or powers of attorney with respect to any
         Shares, deposit any Shares into a voting trust or enter into a voting
         agreement with respect to any Shares; or (iii) take any action that
         would make any representation or warranty of the Stockholder contained
         herein untrue or incorrect or have the effect of preventing or
         disabling the Stockholder from performing any of the Stockholder's
         obligations under this Agreement.

                  (c) The Stockholder hereby waives any rights of appraisal or
         rights to dissent from the Merger that the Stockholder may have. Each
         Trustee represents that no beneficiary who is a beneficial owner of
         Shares under any trust has any right of appraisal or right to dissent
         from the Merger which has not been so waived.

                  (d) Unless, in connection therewith, the Shares held by any
         trust which is presently subject to the terms of this Agreement are
         transferred to one or more Permitted Transferees who upon receipt of
         such Shares become signatories to this Agreement, the Stockholder
         acting as a Trustee shall not take any action to terminate, close or
         liquidate any such trust and shall take all steps necessary to maintain
         the existence thereof at least until the Termination Date.

         Section 6. FURTHER ASSURANCES. From time to time, at the other party's
request and without further consideration, each party hereto shall execute and
deliver such additional documents and take all such further action as may be
necessary or desirable to consummate and make effective, in the most expeditious
manner practicable, the transactions contemplated by this Agreement.

         Section 7. CERTAIN EVENTS. The Stockholder agrees that this Agreement
and the obligations hereunder shall attach to the Shares and shall be binding
upon any person or entity to


                                      -6-
<PAGE>


which legal or beneficial ownership of such Shares shall pass, whether by
operation of law or otherwise, including without limitation the Stockholder's
heirs, guardians, administrators or successors or as a result of any divorce.

         Section 8. STOP TRANSFER. The Stockholder agrees with, and covenants
to, Lynx that the Stockholder shall not request that Detective register the
transfer (book-entry or otherwise) of any certificate or uncertificated interest
representing any of the Shares, unless such transfer is made in compliance with
this Agreement.

         Section 9. TERMINATION. The obligations of the Stockholder and the
irrevocable proxy contained in Section 4(b) of this Agreement shall terminate
upon the first to occur of (a) the Effective Time and (b) the date the Merger
Agreement is terminated in accordance with its terms (unless such termination is
being contested in good faith by Lynx in a court of competent jurisdiction, in
which event this Agreement shall remain in full force and effect until the
resolution of such action from which there is no further right of appeal) (the
"TERMINATION DATE"); provided that the provisions of Sections 2, 3 and 10 and
any claim for breach of any representation, warranty, covenant or other
agreement under this Agreement shall survive the Termination Date.

         Section 10. MISCELLANEOUS.

                  (a) All notices, requests, claims, demands and other
         communications hereunder shall be in writing and shall be given or made
         (and shall be deemed to have been duly given or made upon receipt) by
         delivery in person, by overnight courier service, by cable, by
         facsimile, by telegram, by telex or by registered or certified mail
         (postage prepaid, return receipt requested) to the respective parties
         at the following addresses (or at such other address for a party as
         shall be specified in a notice given in accordance with this Section
         10(a)):

         If to the Stockholder:

                                    Alan J. Hirschfield Living Trust
                                    3490 Clubhouse Drive
                                    Jackson, Wyoming  83001
                                    Telecopier:   (307) 733-4935


                                      -7-
<PAGE>


         If to Lynx:

                                    c/o Pearson Inc.
                                    1330 Avenue of the Americas
                                    7th Floor
                                    New York, NY  10019
                                    Attention:  President
                                    Telecopier:   (212) 641-2500

         with a copy to:

                                    Morgan, Lewis & Bockius LLP
                                    101 Park Avenue
                                    New York, NY  10178
                                    Attn:   Anne E. Gold, Esq.
                                    Telecopier:  (212) 309-6273

                  (b) At any time prior to the Termination Date, any party
         hereto may, with respect to any other party hereto, (i) extend the time
         for the performance of any of the obligations or other acts, (ii) waive
         any inaccuracies in the representations and warranties contained herein
         or in any document delivered pursuant hereto or (iii) waive compliance
         with any of the agreements or conditions contained herein. Any such
         extension or waiver shall be valid if set forth in an instrument in
         writing signed by the party or parties to be bound thereby.

                  (c) The headings contained in this Agreement are for the
         convenience of reference purposes only and shall not affect in any way
         the meaning or interpretation of this Agreement.

                  (d) If any term or other provision of this Agreement is
         invalid, illegal or incapable of being enforced by any rule of Law or
         public policy, all other conditions and provisions of this Agreement
         shall nevertheless remain in full force and effect so long as the
         economic or legal substance of the transactions contemplated hereby is
         not affected in any manner adverse to any party. Upon such
         determination that any term or other provision is invalid, illegal or
         incapable of being enforced, the parties hereto shall negotiate in good
         faith to modify this Agreement so as to effect the original intent of
         the parties as closely as possible in a mutually acceptable manner in
         order that the transactions contemplated hereby be consummated as
         originally contemplated to the greatest extent possible.


                                      -8-
<PAGE>


                  (e) This Agreement constitutes the entire agreement of the
         parties hereto with respect to the subject matter hereof and supersede
         all prior agreements and undertakings, both written and oral with
         respect to the subject matter hereof and thereof and except as
         otherwise expressly provided herein.

                  (f) This Agreement shall not be assigned by operation of Law
         or otherwise, except that Lynx may assign all or any of their
         respective rights and obligations hereunder to any of its Affiliates,
         PROVIDED, HOWEVER, that no such assignment shall relieve the assigning
         party of its obligations hereunder.

                  (g) The parties hereto agree that irreparable damage would
         occur in the event that any of the provisions of this Agreement were
         not performed in accordance with their specific terms. It is
         accordingly agreed that the parties hereto (i) will waive, in any
         action for specific performance, the defense of adequacy of remedy at
         law and (ii) shall be entitled to specific performance of the terms
         hereof, this being in addition to any other remedy to which they are
         entitled at law or in equity.

                  (h) No failure or delay on the part of any party hereto in the
         exercise of any right hereunder shall impair such right or be construed
         to be a waiver of, or acquiescence in, any breach of any
         representation, warranty or agreement herein, nor shall any single or
         partial exercise of any such right preclude other or further exercise
         thereof or of any other right. All rights and remedies existing under
         this Agreement are cumulative to, and not exclusive of, any rights or
         remedies otherwise available.

                  (i) Notwithstanding anything herein to the contrary, no Person
         executing this Agreement who is, or becomes during the term hereof, a
         director of Detective makes any agreement or understanding herein in
         his or her capacity as such director, and the agreements set forth
         herein shall in no way restrict any director in the exercise of his or
         her fiduciary duties as a director of Detective in his or her capacity
         as a director of Detective. The Stockholder has executed this Agreement
         solely in his or her capacity as the record or beneficial holder of the
         Shares or as the trustee of a trust whose beneficiaries are the
         beneficial owners of the Shares.

                  (j) Each party agrees to bear its own expenses in connection
         with the transactions contemplated hereby.

                  (k) This Agreement shall be governed by, and construed in
         accordance with, the Laws of the State of Delaware. All actions and
         proceedings arising out of or relating to this Agreement shall be heard
         and determined in a Delaware state or federal court sitting in the
         State of Delaware, and the parties hereto hereby irrevocable submit to
         the exclusive jurisdiction of such courts in any such action or
         proceeding and irrevocably waive the defense of an inconvenient forum
         to the maintenance of any such action or proceeding.


                                      -9-
<PAGE>


                  (l) EACH OF THE PARTIES HERETO IRREVOCABLY AND UNCONDITIONALLY
         WAIVES TRIAL BY JURY IN ANY LEGAL ACTION OR PROCEEDING RELATING TO THIS
         AGREEMENT.

                  (m) This Agreement may be executed in one or more
         counterparts, and by the different parties hereto in separate
         counterparts, each of which when executed shall be deemed to be an
         original but all of which taken together shall constitute one and the
         same agreement. Delivery of an executed counterpart of a signature page
         to this Agreement by telecopier shall be effective as delivery of a
         manually executed counterpart of this Agreement.

                           [Signature Page to Follow]


                                      -10-
<PAGE>


                  IN WITNESS WHEREOF, the parties hereto have executed this
         Agreement as of the date first above written.

                                             INTERACTIVE DATA CORPORATION

                                             By:  /s/ Philip J. Hoffman
                                                -------------------------------
                                                   Name:  Philip J. Hoffman
                                                   Title: Authorized Person

                                             ALAN J. HIRSCHFIELD LIVING TRUST

                                             By:   /s/ Alan J. Hirschfield
                                                -------------------------------
                                                   Name:  Alan J. Hirschfield
                                                   Title: Trustee

               [Signature page to Voting and Standstill Agreement]


<PAGE>


                                                                     SCHEDULE I

                                 EXISTING SHARES

<TABLE>
<CAPTION>
STOCKHOLDER                                              NO. OF EXISTING SHARES
- -----------                                              ----------------------

<S>                                                      <C>
Alan J. Hirschfield Living Trust                                      1,212,145

</TABLE>


                                      -12-
<PAGE>



                                                                    SCHEDULE II

                                 PLEDGED SHARES

<TABLE>
<CAPTION>
NUMBER OF PLEDGED SHARES                                 PLEDGEE
- ------------------------                                 -------

<S>                                                      <C>
None

</TABLE>


                                      -13-

<PAGE>

                                                                   Exhibit D


         VOTING AND STANDSTILL AGREEMENT, dated as of November 14, 1999 (this
"AGREEMENT") by and between Interactive Data Corporation, a Delaware corporation
("LYNX"), and AFT/FGT Family Partners Ltd and Tessler Family Limited Partnership
(each a "STOCKHOLDER", collectively, the "STOCKHOLDERS"). Capitalized terms used
but not defined herein shall have the meanings set forth in the Agreement and
Plan of Merger, dated the date hereof (as such agreement may be amended from
time to time, the "MERGER AGREEMENT").

         WHEREAS, concurrently herewith, Lynx, Pearson Longman, Inc., a Delaware
corporation, Detective Merger-Sub, Inc., a Delaware corporation ("ACQUISITION
SUB") and Data Broadcasting Corporation, a Delaware corporation ("DETECTIVE"),
are entering into the Merger Agreement, which provides for, among other things,
the merger of Acquisition Sub with and into Lynx.

         WHEREAS, as a condition to Lynx's entering into the Merger Agreement,
the Stockholders have agreed to enter into this Agreement with Lynx.

         NOW, THEREFORE, in order to implement the foregoing and in
consideration of the mutual agreements contained herein, the parties hereby
agree as follows:

         Section 1. CERTAIN DEFINITIONS. The following terms, when used in this
Agreement, shall have the following meanings (such definitions to be equally
applicable to both singular and plural terms of the terms defined):

         "BENEFICIALLY OWN" or "BENEFICIAL OWNERSHIP" with respect to any
securities shall mean having "beneficial ownership" of such securities (as
determined pursuant to Rule 13d-3 under the Exchange Act), including pursuant to
any agreement, arrangement or understanding, whether or not in writing. Without
duplicative counting of the same securities by the same holder, securities
Beneficially Owned by a Person shall include securities Beneficially Owned by
all other Persons with whom such Person would constitute a "group" as described
in Section 13(d)(3) of the Exchange Act.

         "DETECTIVE" has the meaning ascribed thereto in the recitals of this
Agreement.

         "EXISTING SHARES" has the meaning ascribed thereto in Section 2(a)(i).

         "LYNX" has the meaning ascribed thereto in the introductory paragraph
of this Agreement.

         "MERGER AGREEMENT" has the meaning ascribed thereto in the introductory
paragraph of this Agreement.

         "PERMITTED TRANSFEREE" means (a) a spouse or lineal descendent
(including by adoption and stepchildren), heir, executor, testamentary trustee
or legatee of a Stockholder or (b) any trust or estate the beneficiaries of
which, or any corporation, limited liability company or partnership,


                                      -1-
<PAGE>

the stockholders, members or partners of which, include only the Stockholder and
the Persons described in clause (a) above.

         "SHARES" means the Existing Shares, together with any shares of
Detective Common Stock acquired of record or beneficially by the Stockholder in
any capacity after the date hereof and prior to the termination hereof, whether
upon exercise of options, conversion of convertible securities, purchase,
exchange or otherwise; PROVIDED, however, that in the event of a stock dividend
or distribution, or any change in the Detective Common Stock by reason of any
stock dividend, split-up, recapitalization, combination, exchange of shares or
the like, the term AShares" shall be deemed to refer to and include the Shares
as well as all such stock dividends and distributions and any shares into which
or for which any or all of the Shares may be changed or exchanged.

         "STOCKHOLDER" and "STOCKHOLDERS" have the meaning ascribed thereto in
the introductory paragraph to this Agreement.

         "TERMINATION DATE" has the meaning ascribed thereto in Section 9 of
this Agreement.

         "TRUSTEE" has the meaning ascribed thereto in Section 2(a)(i) of this
Agreement.

         Section 2. REPRESENTATIONS AND WARRANTIES OF THE STOCKHOLDERS. The
Stockholders hereby represent and warrant to Lynx as follows:

                  (a) (i) Each Stockholder is either (A) the record holder or
                  beneficial owner of the number of, or (B) trustee ("TRUSTEE")
                  of a trust that is the record holder or beneficial owner of,
                  and whose beneficiaries are the beneficial owners of the
                  shares of Detective Common Stock set forth opposite the
                  Stockholder's name on SCHEDULE I hereto (the "EXISTING
                  SHARES").

                      (ii) On the date hereof, the Existing Shares constitute
                  all of the outstanding shares of Detective Common Stock owned
                  of record or beneficially by each Stockholder.

                      (iii) Each Stockholder has sole power of disposition and
                  sole voting power with respect to the matters set forth in
                  Section 4 hereof and sole power to demand dissenter's or
                  appraisal rights, in each case with respect to all of the
                  Existing Shares, with no restrictions on such rights, subject
                  to applicable securities laws and the terms of this Agreement.

                      (iv) Each Stockholder will have sole power of disposition
                  and will have sole voting power with respect to the matters
                  set forth in Section 4 hereof and sole power to demand
                  dissenter's or appraisal rights, in each case with respect to
                  all Shares other than Existing Shares, if any, which become
                  beneficially owned by

                                      -2-
<PAGE>

                  the Stockholder, with no restrictions on such rights, subject
                  to applicable securities laws and the terms of this Agreement.

                  (b) Each Stockholder has the legal capacity, power and
         authority to enter into and perform all of such Stockholder's
         obligations under this Agreement. The execution, delivery and
         performance of this Agreement by each Stockholder will not violate any
         other Contract to which such Stockholder is a party or by which such
         Stockholder is bound including, without limitation, any trust
         agreement, voting agreement, stockholders agreement, voting trust,
         partnership or other agreement. This Agreement has been duly and
         validly executed and delivered by the Stockholders and (assuming due
         authorization, execution and delivery by Lynx) constitutes a legal,
         valid and binding agreement of the Stockholders, enforceable against
         the Stockholders in accordance with its terms. All necessary consents
         of any beneficiary of or holder of interest in any trust of which
         either Stockholder is Trustee to the execution and delivery of this
         Agreement and the consummation of the transactions contemplated hereby
         have been obtained. If a Stockholder is married and such Stockholder's
         Shares constitute community property, this Agreement has been duly
         authorized, executed and delivered by, and constitutes a valid and
         binding agreement of, such Stockholder's spouse, enforceable against
         such person in accordance with its terms.

                  (c) Except for filings under the HSR Act, if applicable, (i)
         no filing with, and no permit, authorization, consent or approval of,
         any state or federal public body or authority is necessary for the
         execution of this Agreement by the Stockholders and the consummation by
         the Stockholders of the transactions contemplated hereby and (ii)
         neither the execution and delivery of this Agreement by the
         Stockholders nor the consummation by the Stockholders of the
         transactions contemplated hereby nor compliance by the Stockholders
         with the provisions hereof shall (x) conflict with or result in any
         breach of any applicable trust, partnership agreement or other
         Contracts or organizational documents applicable to the Stockholders,
         (y) result in a violation or breach of, or constitute (with or without
         notice or lapse of time or both) a default (or give rise to any right
         of termination, cancellation, material modification or acceleration),
         under any of the terms, conditions or provisions of any Contract to
         which either Stockholder is a party or by which the Stockholders or any
         of the Stockholders' properties or assets may be bound or (z) violate
         any Governmental Order applicable to the Stockholders or any of the
         Stockholders' properties or assets.

                  (d) Except for the shares of Detective Common Stock identified
         in SCHEDULE II hereto (the "PLEDGED SHARES"), the Stockholder's Shares
         and the certificates representing such Shares are now and at all times
         during the term hereof will be held by the Stockholders, or by a
         nominee or custodian for the benefit of the Stockholders, free and
         clear of all Liens, proxies, voting trusts or arrangements or any other
         encumbrances whatsoever, except for any of the same arising hereunder.


                                      -3-
<PAGE>


                  (e) No broker, investment banker, financial adviser or other
         Person is entitled to any broker's, finder's, financial adviser's or
         other similar fee or commission in connection with the transactions
         contemplated hereby based upon arrangements made by or on behalf of
         either Stockholder in his or her capacity as such.

                  (f) Each Stockholder understands and acknowledges that Lynx is
         entering into the Merger Agreement in reliance upon such Stockholders'
         execution and delivery of this Agreement with Lynx.

         Section 3. REPRESENTATIONS AND WARRANTIES OF LYNX. Lynx hereby
represents and warrants to each Stockholder as follows:

                  (a) Lynx is a corporation duly organized, validly existing and
         in good standing under the laws of the State of Delaware.

                  (b) Lynx has all necessary corporate power and authority to
         execute and deliver this Agreement and to consummate the transactions
         contemplated hereby. The execution, delivery and performance by Lynx of
         this Agreement and the consummation by Lynx of the transactions
         contemplated hereby have been duly and validly authorized and approved
         by all required corporate action. This Agreement has been duly executed
         and delivered by Lynx, and (assuming due authorization, execution and
         delivery by the Stockholders) constitutes a legal, valid and binding
         obligation of Lynx, enforceable against it in accordance with its
         terms.

                  (c) Except for filings under the HSR Act, if applicable, (i)
         no filing with and no permit, authorization, consent or approval of,
         any state or federal public body or authority is necessary for the
         execution of this Agreement by Lynx and the consummation by Lynx of the
         transactions contemplated hereby and (ii) neither the execution and
         delivery of this Agreement by Lynx nor the consummation by Lynx of the
         transactions contemplated hereby nor compliance by Lynx with the
         provisions hereof shall (x) conflict with or result in any breach of
         any applicable trust, partnership agreement or other Contracts or
         organizational documents applicable to Lynx, (y) result in a violation
         or breach of, or constitute (with or without notice or lapse of time or
         both) a default (or give rise to any right of termination,
         cancellation, material modification or acceleration) under any of the
         terms, conditions or provisions of any Contract to which Lynx is a
         party or by which Lynx or any of Lynx's properties or assets may be
         bound or (z) violate any Governmental Order applicable to Lynx or any
         of Lynx's properties or assets.

         Section 4. AGREEMENT TO VOTE; PROXY

                  (a) Each Stockholder hereby agrees that, until the Termination
         Date (as defined in Section 9), at any meeting of the stockholders of
         Detective, however called, or


                                      -4-
<PAGE>

         in connection with any action by written consent of the stockholders of
         Detective, such Stockholder shall vote (or cause to be voted) or act by
         written consent with respect to the Shares (i) in favor of the Merger,
         the Amended Charter and the election of the Post-Closing Directors, the
         execution and delivery by Detective of the Merger Agreement and the
         Ancillary Agreements and the approval of the terms thereof and each of
         the other actions contemplated by the Merger Agreement and this
         Agreement and any actions required in furtherance hereof and thereof;
         (ii) against any action or agreement that would result in a breach of
         any covenant, representation or warranty or any other obligation or
         agreement of Detective under the Merger Agreement, the Ancillary
         Agreements or this Agreement; and (iii) against the following actions
         (other than the Merger and the transactions contemplated by the Merger
         Agreement or any such actions identified in writing by Lynx in
         advance): (A) any extraordinary corporate transaction, including,
         without limitation, a merger, consolidation or other business
         combination involving Detective or any of its Subsidiaries; (B) a sale,
         lease or transfer of a material amount of assets of Detective or any of
         its Subsidiaries or a reorganization, recapitalization, dissolution or
         liquidation of Detective or any of its Subsidiaries; (C) any change in
         the majority of the board of directors of Detective; (D) any change in
         the present capitalization of Detective or any amendment of Detective's
         Certificate of Incorporation or by-laws (other than as contemplated by
         the Amended Charter); (E) any other change in Detective's corporate
         structure or business; or (F) any other action which is intended, or
         could reasonably be expected, to impede, interfere with, delay,
         postpone, discourage or materially adversely affect the Merger or the
         transactions contemplated by the Merger Agreement, the Ancillary
         Agreements or this Agreement. No Stockholder shall enter into any
         Contract or understanding with any Person to vote or give instructions
         in any manner inconsistent with the terms of this Agreement.

                  (b) EACH STOCKHOLDER HEREBY GRANTS TO, AND APPOINTS, LYNX AND
         ANY DESIGNEE OF LYNX, EACH OF THEM INDIVIDUALLY, SUCH STOCKHOLDER'S
         IRREVOCABLE (UNTIL THE TERMINATION DATE) PROXY AND ATTORNEY-IN-FACT
         (WITH FULL POWER OF SUBSTITUTION) TO VOTE THE SHARES AS SET FORTH IN
         SECTION 4(a) ABOVE. EACH STOCKHOLDER INTENDS THIS PROXY TO BE
         IRREVOCABLE (UNTIL THE TERMINATION DATE) AND COUPLED WITH AN INTEREST
         AND WILL TAKE SUCH FURTHER ACTION AND EXECUTE SUCH OTHER INSTRUMENTS AS
         MAY BE NECESSARY TO EFFECTUATE THE INTENT OF THIS PROXY AND HEREBY
         REVOKES ANY PROXY PREVIOUSLY GRANTED BY SUCH STOCKHOLDER WITH RESPECT
         TO SUCH SHARES.

         Section 5. CERTAIN COVENANTS OF THE STOCKHOLDERS. Except in accordance
with the terms of this Agreement, the Stockholders hereby covenant and agree as
follows:

                  (a) Prior to the Termination Date, a Stockholder shall not, in
         its capacity as such, directly or indirectly (including through
         advisors, agents or other intermediaries),


                                      -5-
<PAGE>

         solicit, initiate or encourage (including by way of furnishing
         information) or respond to (or take any other action designed to
         facilitate) any inquiries or the making of any proposal by any Person
         (other than Lynx or any Affiliate thereof) with respect to Detective
         that constitutes or could reasonably be expected to lead to a Detective
         Takeover Proposal or engage in any discussions or negotiations with
         regard to any Detective Takeover Proposal.

                  (b) Prior to the Termination Date, a Stockholder shall not,
         directly or indirectly (i) except pursuant to the terms of the Merger
         Agreement or this Agreement, offer for sale, sell, transfer, tender,
         pledge, encumber, assign or otherwise dispose of, enforce or permit the
         execution of the provisions of any redemption agreement with Detective,
         enter into any Contract, Option or other arrangement or understanding
         with respect to, or consent to the offer for sale, sale, transfer,
         tender, pledge, encumbrance, assignment or other disposition of, or
         exercise any discretionary powers to distribute, any or all of the
         Shares or any interest therein, including any trust income or
         principal, except in each case to a Permitted Transferee who is or
         agrees to become bound by this Agreement; (ii) except as contemplated
         hereby, grant any proxies or powers of attorney with respect to any
         Shares, deposit any Shares into a voting trust or enter into a voting
         agreement with respect to any Shares; or (iii) take any action that
         would make any representation or warranty of such Stockholder contained
         herein untrue or incorrect or have the effect of preventing or
         disabling such Stockholder from performing any of such Stockholder's
         obligations under this Agreement.

                  (c) Each Stockholder hereby waives any rights of appraisal or
         rights to dissent from the Merger that such Stockholder may have. Each
         Trustee represents that no beneficiary who is a beneficial owner of
         Shares under any trust has any right of appraisal or right to dissent
         from the Merger which has not been so waived.

                  (d) Unless, in connection therewith, the Shares held by any
         trust which is presently subject to the terms of this Agreement are
         transferred to one or more Permitted Transferees who upon receipt of
         such Shares become signatories to this Agreement, the Stockholder
         acting as a Trustee shall not take any action to terminate, close or
         liquidate any such trust and shall take all steps necessary to maintain
         the existence thereof at least until the Termination Date.

         Section 6. FURTHER ASSURANCES. From time to time, at the other party's
request and without further consideration, each party hereto shall execute and
deliver such additional documents and take all such further action as may be
necessary or desirable to consummate and make effective, in the most expeditious
manner practicable, the transactions contemplated by this Agreement.

         Section 7. CERTAIN EVENTS. The Stockholders agree that this Agreement
and the obligations hereunder shall attach to the Shares and shall be binding
upon any person or entity to


                                      -6-
<PAGE>

which legal or beneficial ownership of such Shares shall pass, whether by
operation of law or otherwise, including without limitation the Stockholders'
heirs, guardians, administrators or successors or as a result of any divorce.

         Section 8. STOP TRANSFER. The Stockholders agree with, and covenant to,
Lynx that the Stockholders shall not request that Detective register the
transfer (book-entry or otherwise) of any certificate or uncertificated interest
representing any of the Shares, unless such transfer is made in compliance with
this Agreement.

         Section 9. TERMINATION. The obligations of the Stockholders and the
irrevocable proxy contained in Section 4(b) of this Agreement shall terminate
upon the first to occur of (a) the Effective Time and (b) the date the Merger
Agreement is terminated in accordance with its terms (unless such termination is
being contested in good faith by Lynx in a court of competent jurisdiction, in
which event this Agreement shall remain in full force and effect until the
resolution of such action from which there is no further right of appeal) (the
ATERMINATION DATE"); provided that the provisions of Sections 2, 3 and 10 and
any claim for breach of any representation, warranty, covenant or other
agreement under this Agreement shall survive the Termination Date.

         Section 10.       MISCELLANEOUS.

                  (a) All notices, requests, claims, demands and other
         communications hereunder shall be in writing and shall be given or made
         (and shall be deemed to have been duly given or made upon receipt) by
         delivery in person, by overnight courier service, by cable, by
         facsimile, by telegram, by telex or by registered or certified mail
         (postage prepaid, return receipt requested) to the respective parties
         at the following addresses (or at such other address for a party as
         shall be specified in a notice given in accordance with this Section
         10(a)):

         If to the Stockholders:

                                    Tessler Family FMC, LLC
                                    4020 Moose Wilson Rd.
                                    Jackson, Wyoming  83001
                                    Telecopier:   (307) 733-4935


                                      -7-
<PAGE>


         If to Lynx:

                                    c/o Pearson Inc.
                                    1330 Avenue of the Americas
                                    7th Floor
                                    New York, NY  10019
                                    Attention:  President
                                    Telecopier:   (212) 641-2500


         with a copy to             Morgan, Lewis & Bockius LLP
                                    101 Park Avenue
                                    New York, NY  10178
                                    Attn:   Anne E. Gold, Esq.
                                    Telecopier:  (212) 309-6273

                  (b) At any time prior to the Termination Date, any party
         hereto may, with respect to any other party hereto, (i) extend the time
         for the performance of any of the obligations or other acts, (ii) waive
         any inaccuracies in the representations and warranties contained herein
         or in any document delivered pursuant hereto or (iii) waive compliance
         with any of the agreements or conditions contained herein. Any such
         extension or waiver shall be valid if set forth in an instrument in
         writing signed by the party or parties to be bound thereby.

                  (c) The headings contained in this Agreement are for the
         convenience of reference purposes only and shall not affect in any way
         the meaning or interpretation of this Agreement.

                  (d) If any term or other provision of this Agreement is
         invalid, illegal or incapable of being enforced by any rule of Law or
         public policy, all other conditions and provisions of this Agreement
         shall nevertheless remain in full force and effect so long as the
         economic or legal substance of the transactions contemplated hereby is
         not affected in any manner adverse to any party. Upon such
         determination that any term or other provision is invalid, illegal or
         incapable of being enforced, the parties hereto shall negotiate in good
         faith to modify this Agreement so as to effect the original intent of
         the parties as closely as possible in a mutually acceptable manner in
         order that the transactions contemplated hereby be consummated as
         originally contemplated to the greatest extent possible.

                  (e) This Agreement constitutes the entire agreement of the
         parties hereto with respect to the subject matter hereof and supersede
         all prior agreements and undertakings, both written and oral with
         respect to the subject matter hereof and thereof and except as
         otherwise expressly provided herein.


                                      -8-
<PAGE>

                  (f) This Agreement shall not be assigned by operation of Law
         or otherwise, except that Lynx may assign all or any of its rights and
         obligations hereunder to any of its Affiliates, PROVIDED, HOWEVER, that
         no such assignment shall relieve the assigning party of its obligations
         hereunder.

                  (g) The parties hereto agree that irreparable damage would
         occur in the event that any of the provisions of this Agreement were
         not performed in accordance with their specific terms. It is
         accordingly agreed that the parties hereto (i) will waive, in any
         action for specific performance, the defense of adequacy of remedy at
         law and (ii) shall be entitled to specific performance of the terms
         hereof, this being in addition to any other remedy to which they are
         entitled at law or in equity.

                  (h) No failure or delay on the part of any party hereto in the
         exercise of any right hereunder shall impair such right or be construed
         to be a waiver of, or acquiescence in, any breach of any
         representation, warranty or agreement herein, nor shall any single or
         partial exercise of any such right preclude other or further exercise
         thereof or of any other right. All rights and remedies existing under
         this Agreement are cumulative to, and not exclusive of, any rights or
         remedies otherwise available.

                  (i) Notwithstanding anything herein to the contrary, no Person
         executing this Agreement who is, or becomes during the term hereof, a
         director of Detective makes any agreement or understanding herein in
         his or her capacity as such director, and the agreements set forth
         herein shall in no way restrict any director in the exercise of his or
         her fiduciary duties as a director of Detective in his or her capacity
         as a director of Detective. Each Stockholder has executed this
         Agreement solely in his or her capacity as the record or beneficial
         holder of the Shares or as the trustee of a trust whose beneficiaries
         are the beneficial owners of the Shares.

                  (j) Each party agrees to bear its own expenses in connection
         with the transactions contemplated hereby.

                  (k) This Agreement shall be governed by, and construed in
         accordance with, the Laws of the State of Delaware. All actions and
         proceedings arising out of or relating to this Agreement shall be heard
         and determined in a Delaware state or federal court sitting in the
         State of Delaware, and the parties hereto hereby irrevocable submit to
         the exclusive jurisdiction of such courts in any such action or
         proceeding and irrevocably waive the defense of an inconvenient forum
         to the maintenance of any such action or proceeding.

                  (l) EACH OF THE PARTIES HERETO IRREVOCABLY AND UNCONDITIONALLY
         WAIVES TRIAL BY JURY IN ANY LEGAL ACTION OR PROCEEDING RELATING TO THIS
         AGREEMENT.


                                      -9-
<PAGE>


                  (m) This Agreement may be executed in one or more
         counterparts, and by the different parties hereto in separate
         counterparts, each of which when executed shall be deemed to be an
         original but all of which taken together shall constitute one and the
         same agreement. Delivery of an executed counterpart of a signature page
         to this Agreement by telecopier shall be effective as delivery of a
         manually executed counterpart of this Agreement.




                           [Signature Page to Follow]



                                      -10-
<PAGE>



                  IN WITNESS WHEREOF, the parties hereto have executed this
Agreement as of the date first above written.


                                          INTERACTIVE DATA CORPORATION


                                          By: /s/ Philip J. Hoffman
                                             -----------------------------------
                                                Name:  Philip J. Hoffman
                                                Title:    Authorized Person


                                          AFT/FGT FAMILY PARTNERS LTD.

                                          By:  Tessler Family FMC, LLC


                                          By: /s/ Allan R. Tessler
                                             -----------------------------------
                                               Allan R. Tessler


                                          TESSLER FAMILY LIMITED PARTNERSHIP

                                          By:  Tessler Family FMC, LLC


                                          By: /s/ Allan R. Tessler
                                             -----------------------------------
                                               Allan R. Tessler









               [Signature page to Voting and Standstill Agreement]



<PAGE>

                                                                      SCHEDULE I


                                 EXISTING SHARES

<TABLE>
<CAPTION>

Stockholder                                               No. of Existing Shares
- -----------                                               ----------------------

<S>                                                              <C>
AFT/FGT Family Partners Ltd.                                     984,559

Tessler Family Limited Partnership                               545,000

</TABLE>




                                      -12-
<PAGE>


                                                                     SCHEDULE II

                                 PLEDGED SHARES

<TABLE>
<CAPTION>

Number of Pledged Shares                              Pledgee
- ------------------------                              -------

<S>                                                    <C>
None

</TABLE>




                                      -13-



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