NATIONAL EDUCATION CORP
SC 14D9/A, 1997-05-14
EDUCATIONAL SERVICES
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================================================================================
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
 
                            ------------------------
 
                                AMENDMENT NO. 2
 
                                       TO
 
                                 SCHEDULE 14D-9
                     SOLICITATION/RECOMMENDATION STATEMENT
                      PURSUANT TO SECTION 14(D)(4) OF THE
                        SECURITIES EXCHANGE ACT OF 1934
 
                            ------------------------
 
                         NATIONAL EDUCATION CORPORATION
                           (NAME OF SUBJECT COMPANY)
 
                         NATIONAL EDUCATION CORPORATION
                      (NAME OF PERSON(S) FILING STATEMENT)
 
                     COMMON STOCK, PAR VALUE $.01 PER SHARE
                         (TITLE OF CLASS OF SECURITIES)
 
                                    63577110
                     (CUSIP NUMBER OF CLASS OF SECURITIES)
 
                            ------------------------
 
                            PHILIP C. MAYNARD, ESQ.
                         NATIONAL EDUCATION CORPORATION
                          2601 MAIN STREET, SUITE 700
                            IRVINE, CALIFORNIA 92614
                                 (714) 474-9400
                (NAME AND ADDRESS AND TELEPHONE NUMBER OF PERSON
               AUTHORIZED TO RECEIVE NOTICE AND COMMUNICATIONS ON
                   BEHALF OF THE PERSON(S) FILING STATEMENT)
 
                                WITH A COPY TO:
 
                              ALVIN G. SEGEL, ESQ.
                              IRELL & MANELLA LLP
                      1800 AVENUE OF THE STARS, SUITE 900
                       LOS ANGELES, CALIFORNIA 90067-4276
                                 (310) 277-1010
 
================================================================================
<PAGE>   2
 
     This Statement, which is being filed by National Education Corporation, a
Delaware corporation, constitutes Amendment No. 2 to the
Solicitation/Recommendation Statement on Schedule 14D-9 ("Schedule 14D-9"),
filed with the Securities and Exchange Commission (the "Commission") on May 2,
1997, with respect to the Offer (as defined below). The item numbers and
responses thereto below are in accordance with the requirements of Schedule
14D-9.
 
ITEM 1. SECURITY AND SUBJECT COMPANY.
 
     The name of the subject company is National Education Corporation, a
Delaware corporation (the "Company"), and the address of the principal executive
offices of the Company is 2601 Main Street, Suite 700, Irvine, California 92614.
The title of the class of equity securities to which this Statement relates is
the common stock, par value $.01 per share, of the Company (the "Shares").
 
ITEM 2. TENDER OFFER OF THE PURCHASER.
 
     This Statement relates to a tender offer by Harcourt General, Inc., a
Delaware corporation ("Harcourt"), and Nick Acquisition Corporation, a Delaware
corporation and wholly owned subsidiary of Harcourt (the "Purchaser"), disclosed
in a Tender Offer Statement on Schedule 14D-1, dated April 21, 1997 (the
"Schedule 14D-1"), as amended by Amendment No. 1 to Schedule 14D-1, dated May 2,
1997, Amendment No. 2 to Schedule 14D-1, dated May 13, 1997 and Amendment No. 3
to Schedule 14D-1, dated May 14, 1997, to purchase all outstanding Shares at
$21.00 per Share, net to the seller in cash, upon the terms and subject to the
conditions set forth in the Offer to Purchase, dated April 21, 1997, as amended
and supplemented by the Supplement thereto dated May 14, 1997 (the
"Supplement"), and the related Letter of Transmittal (which together constitute
the "Offer").
 
     Based on the information in the Schedule 14D-1, the principal executive
offices of each of Harcourt and the Purchaser are located at 27 Boylston Street,
Chestnut Hill, Massachusetts 02167.
 
ITEM 3. IDENTITY AND BACKGROUND.
 
     (a) The name and address of the Company, which is the person filing this
statement, are set forth in Item 1 above.
 
     (b) Each material contract, agreement, arrangement and understanding
between the Company or its affiliates and its executive officers, directors or
affiliates is described in the attached Schedule I or set forth below. The
Company is a party to the Agreement and Plan of Merger dated May 12, 1997 among
the Company, the Purchaser and Harcourt (the "Harcourt Merger Agreement"), and
the Letter Agreement and Mutual Release dated May 12, 1997 among the Company,
Sylvan Learning Systems, Inc. ("Sylvan") and Harcourt (the "Settlement
Agreement") copies of which are filed as Exhibits (c)(7) and (c)(8),
respectively, to this Statement and incorporated herein by reference in their
entirety. Other than the Harcourt Merger Agreement and the Settlement Agreement,
there are no material contracts, arrangements or understandings between the
Company or its affiliates and Harcourt, its executive officers, directors or
                                  affiliates.
 
                         THE HARCOURT MERGER AGREEMENT
 
     The following summary of the Harcourt Merger Agreement is qualified in its
entirety by reference to the Harcourt Merger Agreement. Capitalized terms used
and not otherwise defined have the meaning ascribed to them in the Harcourt
Merger Agreement.
 
     The Offer.  In the Harcourt Merger Agreement, the Purchaser has agreed
subject to certain conditions to, among other things, amend the Offer (i) to
increase the purchase price offered to $21.00 per Share, (ii) to modify the
conditions of the Offer to conform to the Tender Offer Conditions (as defined in
and set forth in the Introduction and Section 6 of the Supplement) and (iii) to
extend the Offer to May 27, 1997. The obligations of the Purchaser to accept for
payment any Shares tendered will be subject to the satisfaction of the Tender
Offer Conditions any of which may be waived; provided, however, that, without
the consent of the Company, the Purchaser will not (i) reduce the Offer Price,
(ii) change the form of consideration payable in
 
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the Offer (other than by adding consideration), (iii) reduce the number of
Shares to be purchased in the Offer or (iv) impose conditions to the Offer in
addition to the Tender Offer Conditions which are adverse to the holders of the
Shares. Subject to the terms and conditions of the Harcourt Merger Agreement,
and unless the Company otherwise consents in writing, Harcourt and the Purchaser
agree that the Purchaser will accept for payment and pay for Shares as soon as
it is permitted to do so under applicable law, subject to the prior satisfaction
of the Tender Offer Conditions. Notwithstanding the foregoing, the Purchaser may
extend the Offer, notwithstanding the prior satisfaction of the Tender Offer
Conditions, for up to five business days and then thereafter on a day-to-day
basis for up to another five business days if as of the expiration date of the
Offer (including as a result of any extensions thereof), there shall have been
tendered more than 80% but less than 90% of the outstanding Shares so that the
Merger could not be effected without a meeting of the Company's stockholders in
accordance with the applicable provisions of the DGCL; provided that, after the
initial extension pursuant to this sentence, the Offer shall not be subject to
any conditions other than (i) the conditions set forth in clauses (a)(i) or (ii)
or (d)(ii) of the Tender Offer Conditions and (ii) the absence of any
intentional breach by the Company of the representations, warranties, covenants
or agreements set forth in the Harcourt Merger Agreement which has a material
adverse effect on the business, assets (whether tangible or intangible),
financial condition, results of operations or business prospects of the Company
and its subsidiaries, taken as a whole.
 
     Pursuant to the Harcourt Merger Agreement, the Company has approved and
consented to the Offer and represented and warranted that (a) its Board of
Directors (at a meeting duly called and held on May 9, 1997) has unanimously (1)
determined that the Offer and the Merger are fair to and in the best interests
of the holders of Shares, (2) approved the Harcourt Merger Agreement, the Offer
and the Merger, (3) resolved to recommend acceptance of the Offer by the
stockholders of the Company and approval and adoption of the Harcourt Merger
Agreement and the Merger by the stockholders of the Company, and (4) taken all
other action necessary to render Section 203 of the Delaware General Corporation
Law ("DGCL") inapplicable to the Offer and the Merger; and (b) BZW has delivered
to the Board of Directors of the Company its opinion that the consideration to
be received by the holders of Shares (other than Harcourt and the Purchaser)
pursuant to the Offer and the Merger is fair to the holders of Shares from a
financial point of view.
 
     The Merger.  The Harcourt Merger Agreement provides that at the Effective
Time the Purchaser will be merged with and into the Company. By virtue of the
Merger, at the Effective Time, each outstanding Share (other than (i) any Shares
which are held by any direct or indirect wholly-owned subsidiary of the Company
or in the treasury of the Company, or which are held by Harcourt or any of its
direct or indirect wholly-owned subsidiaries (including the Purchaser), all of
which will be canceled, and (ii) Dissenting Shares) will be cancelled and
converted into the right to receive an amount in cash, without interest, equal
to the price paid for each Share pursuant to the Offer (the "Merger
Consideration") payable to the holder thereof less any required withholding
taxes. At the Effective Time, each share of outstanding common stock of the
Purchaser will become one share of common stock of the Company (the "Surviving
Corporation"). Immediately prior to the Effective Time, each outstanding option
of the Company exercisable into Shares, whether or not then exercisable, shall
be cancelled by the Company, and the holder thereof shall be entitled to receive
at the Effective Time or as soon as practicable thereafter from the Company in
consideration of such cancellation an amount in cash equal to the product of (a)
the number of Shares previously subject to such outstanding option and (b) the
excess, if any, of the Merger Consideration over the exercise price per Share
previously subject to such outstanding option. For a description of certain
rights available to stockholders upon consummation of the Offer or the Merger,
see Section 11 of the Offer to Purchase.
 
     Agreements of the Company, the Purchaser and Harcourt.  In the Harcourt
Merger Agreement, the Company has agreed that during the period from the date of
the Harcourt Merger Agreement to the earlier of termination of the Harcourt
Merger Agreement or the Effective Time, except as otherwise approved in writing
by Harcourt, the Company and each of its subsidiaries will conduct their
respective business only in the ordinary course of business consistent with past
practice and will use all reasonable efforts consistent with past practices and
policies to preserve intact their respective business organization (including
the services of their existing employees) and preserve their relationships with
customers, suppliers and others having business
 
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dealings with them, to the end that their goodwill and ongoing business shall be
unimpaired at the Effective Time.
 
     The Harcourt Merger Agreement provides that neither the Company nor any of
its subsidiaries will (i) amend or propose to amend its Certificate of
Incorporation or By-Laws; (ii) authorize for issuance, issue or sell any shares
of its stock (other than in connection with the conversion of the Debentures
outstanding on May 12, 1997 (the "Outstanding Debentures") and the exercise of
currently outstanding stock options) or any of its other securities or equity
equivalents, or make any amendments to such securities; (iii) split, combine or
reclassify any shares of its capital stock, declare, set aside or pay any
dividend or other distribution in respect of its capital stock, or redeem or
otherwise acquire any of its securities or any securities of the Company's
subsidiaries, except that the Company may repurchase Outstanding Debentures to
the extent necessary to satisfy its 1997 sinking fund obligation under the
indenture by which the Debentures were issued; (iv) (A) incur or assume any debt
or issue any debt securities except for borrowings under existing lines of
credit in the ordinary course of business; (B) assume, guarantee, endorse or
otherwise become liable or responsible (whether directly, contingently or
otherwise) for the obligations of any other person or entity except in the
ordinary course of business consistent with past practice, and except for
obligations of wholly-owned subsidiaries of it; (C) make any loans, advances or
capital contributions to, or investments in, any other person or entity (other
than to wholly-owned subsidiaries of it or advances to employees in the ordinary
course of business consistent with past practice and in amounts not material to
the maker of such loan or advance); (D) pledge or otherwise encumber shares of
its capital stock or any of its subsidiaries; or (E) mortgage or pledge any of
its material assets, or create or suffer to exist any material lien thereupon;
(v) except as may be required by law or as contemplated by the Harcourt Merger
Agreement or subject to certain exceptions, enter into, adopt or amend or
terminate any bonus, profit sharing, compensation, severance, termination, stock
option, stock appreciation right, restricted stock, performance unit, stock
equivalent, stock purchase agreement, pension, retirement, deferred
compensation, employment, severance or other employee benefit agreement, trust,
plan, fund or other arrangement for the benefit or welfare of any director,
officer, employee or former employee or independent contractor in any manner, or
(except for normal increases in the ordinary course of business consistent with
past practice that, in the aggregate, do not result in a material increase in
benefits or compensation expense to it and as required under existing
agreements) increase in any manner the compensation or fringe benefits of any
director, officer or employee or pay any benefit not required by any plan and
arrangement as in effect as of May 12, 1997; (vi) acquire, sell, lease, license
to others or dispose of any assets outside the ordinary course of business which
individually or in the aggregate are material to the Company and its
subsidiaries, or enter into any commitment or transaction outside the ordinary
course of business consistent with past practice which would be material to the
Company and its subsidiaries; (vii) except as may be required as a result of a
change in law or in generally accepted accounting principles, change any of the
accounting principles or practices used by it; (viii) revalue in any material
respect any of its assets, including, without limitation, writing down the value
of inventory or writing-off notes or accounts receivable other than in the
ordinary course of business; (ix) (A) subject to certain exceptions, acquire or
agree to acquire any corporation, partnership or other business organization or
division thereof or any equity interest therein; (B) enter into any contract or
agreement other than in the ordinary course of business consistent with past
practice which would be material to it; (C) authorize any new capital
expenditure or expenditures which, individually, is in excess of $250,000 or, in
the aggregate, are in excess of $2,500,000; or (D) enter into or amend any
contract, agreement, commitment or arrangement providing for the taking of any
action that would be prohibited by the Harcourt Merger Agreement; (x) make any
tax election or settle or compromise any income tax liability material to the
Company; (xi) pay, discharge or satisfy any claims, liabilities or obligations,
other than the payment, discharge or satisfaction in the ordinary course of
business of liabilities reflected or reserved against in, or contemplated by,
the consolidated financial statements (or the notes thereto) of the Company and
the Company's subsidiaries or incurred in the ordinary course of business
consistent with past practice or customary fees and expenses relating to the
transactions contemplated by the Merger Agreement; (xii) settle or compromise
any pending or threatened suit, action or claim relating to the transactions
contemplated by the Harcourt Merger Agreement; or (xiii) take, or agree to take,
any of the foregoing actions or any action which would make any of the
representations or warranties of the Company untrue or incorrect as of the date
when made.
 
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     The Harcourt Merger Agreement provides that promptly after the consummation
of the Offer, unless the Merger is effected under Section 253 of the DGCL (the
"short form merger provisions"), the Company will convene a meeting of its
stockholders for the purpose of voting upon the Harcourt Merger Agreement and
the Merger. Unless the Company's Board of Directors has received the written
opinion of Irell & Manella LLP to the effect that the taking of any of the
following actions would constitute a violation of the Board of Directors'
fiduciary responsibilities to the holders of the Shares under applicable law,
the Company has agreed to (A) include in the Proxy Statement (i) the
recommendation of its Board of Directors that holders of the Shares approve and
adopt the Harcourt Merger Agreement and approve the Merger and (ii) the written
opinion of BZW that the consideration to be received by such holders (other than
Harcourt and the Purchaser) pursuant to the Merger is fair to such holders and
(B) use its reasonable best efforts to obtain the necessary approval and
adoption of the Harcourt Merger Agreement and the Merger by its stockholders.
For a description of the short-form merger provisions, which under certain
circumstances could be applicable to the Merger, see Section 11 of the Offer to
Purchase.
 
     The Harcourt Merger Agreement provides that, unless the Merger is effected
pursuant to the short form merger provisions, as promptly as practicable
following Harcourt's request, the Company will prepare and file a preliminary
proxy statement with the Commission and will use its reasonable best efforts to
have it cleared by the Commission at the earliest practicable time.
 
     Pursuant to the Harcourt Merger Agreement, promptly following the purchase
by the Purchaser of Shares pursuant to the Offer, the Purchaser will be entitled
to designate up to such number of directors, rounded up to the next whole
number, of the Company as will give the Purchaser representation on the Board of
Directors equal to the product of the total number of directors on the Board of
Directors of the Company (giving effect to the directors elected pursuant to the
Merger Agreement) multiplied by the percentage that the aggregate number of
Shares beneficially owned by the Purchaser and its affiliates bears to the total
number of Shares then outstanding. At such times, the Company will use its best
efforts to cause persons designated by the Purchaser to constitute the same
percentage as is on the Board of Directors of the Company of (i) each committee
of the Board of Directors of the Company, (ii) each board of directors of each
domestic subsidiary of the Company and (iii) each committee of each such board.
Until the Effective Time, the Company will use its reasonable best efforts to
ensure that all the members of the Board of Directors of the Company as of the
date of the Merger Agreement who are not employees of the Company will remain
members of the Board of Directors of the Company. For a further discussion of
the possible designation by the Purchaser, pursuant to the Harcourt Merger
Agreement, of persons to be elected to the Board of Directors, see Schedule II
to this Statement.
 
     The Company has agreed to take all actions required pursuant to Section
14(f) and Rule 14f-1 under the Exchange Act in order to fulfill its obligations
under the Harcourt Merger Agreement described in the preceding paragraph and
will include in the Schedule 14D-9 or a separate Rule 14f-1 information
statement provided to stockholders such information with respect to the Company
and its officers and directors and affiliates required by Section 14(f) and Rule
14f-1 under the Exchange Act.
 
     Following the appointment of the Purchaser's designees as described above
and prior to the Effective Time, any amendment (or recommendation thereof) by
the Board of Directors of the Company of the Harcourt Merger Agreement, the
Certificate of Incorporation or By-Laws of the Company, any termination of the
Harcourt Merger Agreement by the Company, any extension by the Company of the
time for the performance of any obligations or other acts of the Purchaser or
waiver of any of the Company's rights thereunder, and any other consent or
action by the Board of Directors of the Company thereunder, will require the
concurrence of a majority of the directors of the Company then in office who are
not designated by the Purchaser.
 
     Pursuant to the Harcourt Merger Agreement, from the date of the Harcourt
Merger Agreement to the Effective Time, the Company will afford Harcourt and its
representatives and advisers reasonable access to the officers, employees,
agents, properties, offices, plants and other facilities and to all books and
records of the Company and its subsidiaries, and shall furnish Harcourt with
such financial, operating and other data and information as Harcourt may from
time to time reasonably request.
 
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     Under the Harcourt Merger Agreement, the Company has agreed that it, its
affiliates and their respective officers, directors, employees, representatives
and agents (i) will immediately cease any existing discussions or negotiations
with any parties with respect to any acquisition (other than the transactions
contemplated by the Harcourt Merger Agreement) of all or any material portion of
the assets of, or any equity interest in, the Company or any of its subsidiaries
or any business combination with the Company or any of its subsidiaries, (ii)
will not, directly or indirectly, solicit, initiate, encourage, or furnish
information in response to any inquiries or proposals that constitute, or could
reasonably be expected to lead to, a proposal or offer for a merger,
consolidation, business combination, sale of substantial assets, sale of shares
of capital stock (including without limitation by way of a tender offer or
similar transactions involving the Company) (any of the foregoing transactions
being referred to as an "Acquisition Transaction"), (iii) will not engage in
negotiations or discussions concerning, or provide any non-public information to
any person or entity relating to, any Acquisition Transaction, and (iv) will not
agree to, approve or recommend any Acquisition Transaction; except, with respect
to clauses (ii) (as to the furnishing of information only), (iii) and (iv),
where any such person or entity has submitted a written proposal to the
Company's Board of Directors relating to an Acquisition Transaction and the
Company's Board of Directors has received the written opinion of Irell & Manella
LLP to the effect that the failure of the Company's Board of Directors to so act
would constitute a violation of the Board of Directors' fiduciary
responsibilities to the holders of the Shares under applicable law (it being
understood that for this purpose, the failure to respond to an Acquisition
Proposal which in the judgment of the Company's Board of Directors and BZW is
superior, from a financial point of view, to the Company's stockholders may be
deemed to be a breach of such fiduciary duty). If the Company nevertheless
receives any indications of interest or proposals with respect to any
Acquisition Transactions, it will provide a copy of any such written proposal to
the Purchaser immediately after receipt thereof by the Company or any of its
representatives or agents, will notify Harcourt immediately if any such proposal
(whether oral or written) is made and will keep Harcourt promptly advised of all
developments which could reasonably be expected to culminate in the Board of
Directors of the Company withdrawing, modifying or amending its recommendation
of the Offer, the Merger and the other transactions contemplated by the Harcourt
Merger Agreement. Except with Harcourt's consent, the Company has agreed not to
release any third party from, or waive any provisions of, any confidentiality or
standstill agreement to which the Company is a party.
 
     The Harcourt Merger Agreement provides that each of the Company, Harcourt
and the Purchaser will cooperate and use their respective reasonable best
efforts to take all appropriate action to consummate the Merger, including
cooperation in the preparation and filing of the Offer Documents, the Schedule
14D-9, the Proxy Statement, any required filings under the HSR Act, any required
foreign filings and obtaining all licenses, permits, consents, approvals,
authorizations, qualifications and orders of governmental authorities and
parties to contracts with the Company and its subsidiaries as are necessary for
consummation of the Merger and fulfillment of the conditions to the Offer and
the Merger.
 
     Certain Employee Benefits Matters.  In the Harcourt Merger Agreement,
Harcourt and the Company agreed that (i) the condition in Section 8 of the
Company's supplemental executive retirement plan, as amended (the "SERP"), that
a participant's employment with the Company must be terminated voluntarily or
involuntarily within two years of a change of control in order to receive
accelerated vesting and payout of SERP retirement benefits will be waived for
Gary Keisling and Charles Moran; (ii) Messrs. Keisling and Moran will be
entitled to payment of SERP retirement benefits, with interest from the
consummation of the Offer, only when their employment terminates; (iii) there
will be no further accrual of additional benefits under the SERP from and after
the consummation of the Offer with respect to Messrs. Keisling and Moran and
(iv) Messrs. Keisling and Moran will not participate in any of Harcourt's
retirement plans. In addition, Harcourt and the Company acknowledged that the
option committee of the board of directors of Steck-Vaughn Publishing Corp.
("SVPC") may amend all options exercisable for common stock of SVPC to provide
for the acceleration of vesting and the mandatory cash-out of such options upon
the initiation of any going-private transaction for SVPC.
 
     Indemnification; Directors' and Officers' Insurance.  The Harcourt Merger
Agreement provides that the Company will, and Harcourt will cause the Surviving
Corporation to, from and after the Effective Time, indemnify, defend and hold
harmless each person who was, or has been at any time prior to the date of the
 
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Harcourt Merger Agreement or who becomes prior to the Effective Time, an officer
or director of the Company or any of its subsidiaries against all losses,
claims, damages, costs, expenses, liabilities or judgments or amounts that are
paid in settlement with the approval of the indemnifying party (which approval
shall not be unreasonably withheld) of or in connection with any claim, action,
suit, proceeding or investigation based in whole or in part on or arising in
whole or in part out of the fact that such person is or was a director or
officer, of the Company or any of its subsidiaries, whether pertaining to any
matter existing or occurring at or prior to the Effective Time and whether
asserted or claimed prior to, or at or after, the Effective Time.
 
     For a period of five years after the Effective Time, Harcourt will cause
the Surviving Corporation to use reasonable efforts to maintain in effect, if
available, directors' and officers' liability insurance covering those persons
who are currently covered by the Company's directors' and officers' liability
insurance policy on terms and in an amount comparable to those now applicable to
directors and officers of the Company; provided, however, that in no event shall
the Surviving Corporation be required to expend in any year in excess of 125% of
the current premium being paid by the Company for such coverage.
 
     Disposition of Litigation.  The Company will give Harcourt the opportunity
to participate in the defense or settlement of any litigation against the
Company or any of its subsidiaries and their respective directors; provided,
however, that no such settlement shall be agreed to without Harcourt's consent,
which consent shall not be unreasonably withheld.
 
     Postponement of SVPC Annual Meeting.  The Company will as soon as possible
cause SVPC to indefinitely postpone its annual meeting of stockholders currently
scheduled for May 29, 1997, and will cause SVPC to take no action unless
compelled by legal process to reschedule such annual meeting or to call a
special meeting of stockholders of SVPC except in accordance with the Harcourt
Merger Agreement unless and until the Harcourt Merger Agreement has been
terminated in accordance with its terms.
 
     Representations and Warranties.  The Harcourt Merger Agreement contains
customary representations and warranties with respect to the Company, including
with respect to the Company's and SVPC's financial statements and financial
condition; the accuracy of the documents and reports filed by the Company and
SVPC with the Commission; the absence of any material undisclosed liabilities;
the absence of certain changes or events which could have a material adverse
effect on the business, assets (whether tangible or intangible), financial
condition, results of operations or business prospects of the Company and its
subsidiaries taken as a whole; the absence of certain defaults and legal
violations; the absence of certain litigation; with respect to the Company's
intellectual property, material contracts, tax matters, environmental matters,
regulatory and compliance matters, labor matters, customers and suppliers and
employee benefit plans; the absence of conflicts with other documents; the
absence of certain liens and encumbrances; and with respect to the effect of the
Offer on the outstanding options of NETG Holding, Inc., a wholly-owned
subsidiary of the Company.
 
     In the Harcourt Merger Agreement, Harcourt and the Purchaser have made
customary representations and warranties, including that the Purchaser has or
will have sufficient funds available to pay for all Shares tendered in the Offer
or otherwise acquired in the Merger.
 
     Conditions to the Merger.  The respective obligations of Harcourt, the
Purchaser and the Company to effect the Merger are subject to the satisfaction
or waiver (subject to applicable law) at or prior to the Effective Time of each
of the following conditions: (i) if required by the DGCL, the Harcourt Merger
Agreement and the Merger will have been approved and adopted by holders of a
majority of the outstanding Shares; (ii) any waiting period (and any extension
thereof) under the HSR Act applicable to the Merger will have expired or been
terminated; (iii) no statute, rule, regulation, executive order, decree, ruling,
injunction or other order will have been enacted, entered, promulgated or
enforced by any court or governmental authority which prohibits, restrains,
enjoins or restricts the consummation of the Merger; and (iv) the Purchaser will
have accepted for payment and paid for the Shares tendered pursuant to the
Offer.
 
     Termination.  The Harcourt Merger Agreement may be terminated and the
transactions contemplated thereby may be abandoned, at any time prior to the
Effective Time, whether before or after approval of the Merger by the Company's
stockholders: (a) by mutual written consent of the Company, Harcourt and the
 
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<PAGE>   8
 
Purchaser; (b) by the Company if the Offer shall not have been consummated
within 90 days following the date of the Harcourt Merger Agreement; (c) by
either Harcourt or the Company, if any governmental or regulatory agency located
or having jurisdiction within the United States or any country or economic
region in which either the Company or Harcourt has material assets or operations
will have issued an order, decree or ruling or taken any other action
permanently enjoining, restraining or otherwise prohibiting the acceptance for
payment of, or payment for, Shares pursuant to the Offer or the Merger and such
order, decree or ruling or other action will have become final and
nonappealable, except if the party relying on the provision described in this
clause (c) to terminate the Harcourt Merger Agreement is in breach of any of its
material obligations under the Harcourt Merger Agreement; (d) by Harcourt if due
to a failure to satisfy any of the Tender Offer Conditions, the Purchaser will
have (i) terminated the Offer or (ii) failed to pay for Shares pursuant to the
Offer within 90 days of the date of the Harcourt Merger Agreement unless such
termination or failure has been caused by or results from the failure of
Harcourt or the Purchaser to perform in any material respect any of its
respective covenants or agreements contained in the Merger Agreement; (e) by the
Company if (i) due to a failure of any of the Tender Offer Conditions, the
Purchaser shall have terminated the Offer, unless such termination has been
caused by or results from the failure of the Company to perform in any material
respect any of its covenants or agreements contained in the Merger Agreement,
(ii) prior to the purchase of Shares pursuant to the Offer, any person shall
have made a bona fide offer to acquire the Company (A) that the Board of
Directors of the Company determines in its good faith judgment is more favorable
to the Company's stockholders from a financial point of view than the Offer and
the Merger and (B) as a result of which the Company's Board of Directors has
received the written opinion of Irell & Manella LLP to the effect that the
failure of the Company's Board of Directors to terminate the Merger Agreement
would constitute a violation of the Board of Directors' fiduciary
responsibilities to the holders of the Common Stock under applicable law (it
being understood that for this purpose, the failure to respond to a bona fide
offer to acquire the Company which in the judgment of the Company's Board of
Directors and BZW is superior, from a financial point of view, to the Company's
stockholders may be deemed to be a breach of such fiduciary duty) or (iii) prior
to the purchase of Shares pursuant to the Offer (A) there shall have been a
breach of any representation or warranty on the part of Harcourt or the
Purchaser contained in the Merger Agreement which could reasonably be expected
to materially adversely affect (or materially delay) the consummation of the
Offer or (B) there shall have been a breach of any covenant or agreement on the
part of Harcourt or the Purchaser contained in the Harcourt Merger Agreement
which could reasonably be expected to materially adversely affect (or materially
delay) the consummation of the Offer, which in the case of (A) or (B) shall not
have been cured prior to the earlier of (x) 10 business days following notice of
such breach and (y) two business days prior to the date on which the Offer
expires (including any extensions thereof); provided that such termination under
the immediately preceding clause (ii) shall not be effective until the Company
has made payment of the full fee and expense and other reimbursement described
under "Sylvan Termination Fee" and "Fees and Expenses" below; (f) by Harcourt
prior to the purchase of Shares pursuant to the Offer, if (i) there shall have
been a breach of any representation or warranty on the part of the Company
contained in the Merger Agreement that has a material adverse effect on the
business, assets (whether tangible or intangible), financial condition, results
of operations or business prospects of the Company and its subsidiaries, taken
as a whole, (ii) there shall have been a breach of any covenant or agreement on
the part of the Company contained in the Harcourt Merger Agreement that has a
material adverse effect on the business, assets (whether tangible or
intangible), financial condition, results of operations or business prospects of
the Company and its subsidiaries taken as a whole or which materially adversely
affects (or materially delays) the consummation of the Offer, which in the case
of (i) or (ii) shall not have been cured prior to the earlier of (A) 10 business
days following notice of such breach and (B) two business days prior to the date
on which the Offer expires (including any extensions thereof), (iii) the
Company's Board of Directors will have withdrawn or modified in a manner adverse
to the Purchaser its approval or recommendation of the Offer, the Harcourt
Merger Agreement or the Merger or shall have approved or recommended another
offer or transaction, or shall have resolved to effect any of the foregoing, or
(iv) the Minimum Condition shall not have been satisfied by the expiration date
of the Offer (including extensions thereof) and on or prior to such date (A) any
person (other than Harcourt or the Purchaser) shall have made a bona fide
proposal or public announcement or communication to the Company with respect to
a Third Party Acquisition (as defined below) or (B) any person (including the
Company or
 
                                        8
<PAGE>   9
 
any of its affiliates or subsidiaries), other than Harcourt or any of its
affiliates, shall have become the beneficial owner of more than 30% of the
Shares.
 
     "Third Party Acquisition" is defined in the Harcourt Merger Agreement as
the occurrence of any of the following events: (i) the acquisition of the
Company by merger, tender offer or otherwise by any person other than Harcourt,
the Purchaser or any affiliate (a "Third Party"); (ii) the acquisition by a
Third Party of 30.0% or more of the assets of the Company and its subsidiaries
taken as a whole; (iii) the acquisition by a Third Party of more than 30.0% of
the outstanding Shares; (iv) the adoption by the Company of a plan of
liquidation or the declaration or payment of an extraordinary dividend; or (v)
the repurchase by the Company or any of its subsidiaries of 30.0% or more of the
outstanding Shares.
 
     In the event of the termination of the Harcourt Merger Agreement, the
Harcourt Merger Agreement will forthwith become void and there will be no
liability on the part of any party thereto or their respective officers,
directors, stockholders or affiliates, subject to limited exceptions; provided,
however, that nothing therein will relieve any party from liability for any
breach of the Harcourt Merger Agreement; provided, further, that neither
Harcourt nor the Purchaser shall be entitled to any punitive damages in the
event of any breach of the Harcourt Merger Agreement if the fee referred to in
"Fees and Expenses" below has been paid in full to Harcourt.
 
     Sylvan Termination Fee.  Pursuant to the Harcourt Merger Agreement,
Harcourt has provided the funds to the Company which has paid the $30,000,000
termination fee (the "Termination Fee") payable by the Company to Sylvan as a
result of the termination of the Agreement and Plan of Reorganization between
Sylvan and the Company (the "Sylvan Merger Agreement").
 
     The Company has agreed to reimburse Harcourt for such amount if: (i) the
Company intentionally breaches any of its representations, warranties, covenants
or agreements set forth in the Harcourt Merger Agreement and such breach has a
material adverse effect on the business, assets (whether tangible or
intangible), financial condition, results of operations or business prospects of
the Company and its subsidiaries taken as a whole and Harcourt terminates the
Harcourt Merger Agreement and the Offer pursuant to the provisions described
under clause (f)(i) or (ii) under "Termination" above; (ii) the Harcourt Merger
Agreement is terminated pursuant to the provisions described under "Termination"
and the Company is required to pay the fee pursuant to the provisions described
under "Fees and Expenses" below; or (iii) the Harcourt Merger Agreement is
terminated in accordance with its terms and, within eight months thereafter, the
Company enters into an agreement with respect to, or consummates, a Third Party
Acquisition with Sylvan (or any affiliate or associate thereof). If the Company
is required to reimburse Harcourt for any amount (the "Reimbursement Amount")
pursuant to the immediately preceding sentence and the Reimbursement Amount is
not paid within five business days after it is due, Harcourt, at its sole
option, may demand (the "Demand") that the Company tender to Harcourt,
immediately in satisfaction of the Reimbursement Amount, such number of Shares
equal to (x) the Reimbursement Amount divided by (y) the average market price of
the Common Stock on each of the five consecutive trading days immediately
preceding the trading day prior to the Demand.
 
     Fees and Expenses.  Under the Harcourt Merger Agreement, if: (i) Harcourt
terminates the Harcourt Merger Agreement pursuant to the provisions described in
clauses (f)(i), (ii) or (iv)(A) under "Termination" above, or if the Company
terminates the Harcourt Merger Agreement pursuant to the provision described in
clause (e)(i) under "Termination" above under circumstances that would have
permitted Harcourt to terminate the Harcourt Merger Agreement pursuant to the
provisions described in clauses (f)(i), (ii) or (iv)(A) under "Termination"
above, and within eight months thereafter, the Company enters into an agreement
with respect to (and thereafter consummates), or consummates, a Third Party
Acquisition; or (ii) the Company terminates the Harcourt Merger Agreement
pursuant to the provisions described in clause (e)(ii) under "Termination" above
or Harcourt terminates the Harcourt Merger Agreement pursuant to the provisions
described in clauses (f)(iii) or (iv)(B) under "Termination" above; then the
Company will pay to Harcourt, within one business day following any termination
by Harcourt pursuant to the provisions described in clauses (f)(iii) or (iv)(B)
under "Termination" above or simultaneously with the consummation of any such
Third Party Acquisition or any termination by the Company pursuant to the
provisions described in
 
                                        9
<PAGE>   10
 
clause (e)(ii) under "Termination" above, a cash fee of (x) in any case
involving a Third Party Acquisition with Sylvan (including any termination
pursuant to such clauses (e)(ii) or (f)(iii) or (iv)(B)), $30 million and (y) in
all other cases, $10 million, provided, however, that the Company in no event
shall be obligated to pay more than one such fee with respect to all such
agreements and occurrences and such termination. The Company's obligations
described under "Fees and Expenses" are in addition to any other payment
obligations of the Company which may arise under the provisions described under
"Sylvan Termination Fee."
 
     Except as otherwise specifically provided herein, each party shall bear its
own expenses in connection with the Harcourt Merger Agreement and the
transactions contemplated thereby.
 
     Amendment and Modification.  Subject to the terms of the Harcourt Merger
Agreement and applicable law, the Harcourt Merger Agreement may be amended,
modified and supplemented in writing by the parties thereto in any and all
respects before the Effective Time (notwithstanding any stockholder approval of
the Merger), by action taken by the respective Boards of Directors of Harcourt,
the Purchaser and the Company or by the respective officers authorized by such
Boards of Directors, provided, however, that after any such stockholder
approval, no amendment will be made which by law requires further approval by
such stockholders without such further approval.
 
ITEM 4. THE SOLICITATION OR RECOMMENDATION.
 
     (a) RECOMMENDATION OF THE BOARD OF DIRECTORS. For the reasons discussed in
Item 4(b) below, the Board of Directors of the Company (the "Board of
Directors") has unanimously approved the Harcourt Merger Agreement and
determined that the Offer and the Merger and the transactions contemplated
thereby are fair to and in the best interests of the Company's stockholders. The
Board of Directors unanimously recommends that the stockholders of the Company
accept the Offer and tender their Shares pursuant to the Offer.
 
     (b) BACKGROUND; REASONS FOR THE RECOMMENDATION.
 
     On March 12, 1997, the Company entered into the Sylvan Merger Agreement
with Sylvan pursuant to which stockholders of the Company would receive common
stock of Sylvan in exchange for the common stock of the Company based on an
initial conversion ratio of 0.58 shares of Sylvan common stock for each Share
(the "Initial Conversion Ratio"). On April 16, 1997, Harcourt announced its
intention to commence, and on April 21, 1997, Harcourt and the Purchaser
commenced, a cash tender offer for all of the Shares at $19.50 per Share. Such
price represented a premium of approximately 15.4% over the value of the Sylvan
common stock to be issued in the Sylvan merger based upon the April 15, 1997
closing price of Sylvan's common stock. Subsequently, Harcourt indicated to the
Company that it was prepared to increase its offer to $20.25 per Share in cash
as part of an acquisition proposal. After further discussion and negotiation,
Harcourt indicated its willingness to increase its offer to, but in no event
more than, $21.00 per Share as part of an overall acquisition transaction,
subject to being permitted to conduct confirmatory due diligence. The Board of
Directors authorized Harcourt to undertake such due diligence and Harcourt
entered into a confidentiality agreement with the Company.
 
     Beginning on May 2, 1997, representatives of Harcourt conducted a due
diligence review of the Company, which included visits to the Company's
headquarters and various of its facilities and discussions with various Company
executives and representatives. On May 7, 1997, after Harcourt had substantially
completed its due diligence review of the Company, Harcourt told the Company
that, subject to termination of the Sylvan Merger Agreement, it was willing to
increase its offer from $19.50 per Share to $21.00 per Share, pursuant to an
agreement with the Company regarding the Offer and the Merger. A draft of the
Harcourt Merger Agreement was prepared by representatives of Harcourt and was
delivered to the Company on May 2, 1997. From May 7, 1996 through May 12, 1996,
representatives of both Harcourt and the Company had numerous telephone
conversations to negotiate the Harcourt Merger Agreement. Under the terms of the
proposed Harcourt Merger Agreement, Harcourt agreed that it would provide the
funds to the Company for the Termination Fee that would be payable to Sylvan if
the Sylvan Merger Agreement was terminated in connection with the Harcourt
Merger Agreement, subject to certain conditions and rights of reimbursement as
described above. See "THE HARCOURT MERGER AGREEMENT -- Sylvan Termination Fee."
 
                                       10
<PAGE>   11
 
     On May 8, 1997, Sam Yau, President and Chief Executive Officer of the
Company, called Douglas L. Becker, Chairman of the Board of Sylvan, to determine
whether, in light of Harcourt's proposed $21.00 per Share offer, Sylvan was
prepared to improve its offer and, if not, whether Sylvan would agree to
terminate the Sylvan Merger Agreement in consideration of the payment of the
Termination Fee. During such telephone conversation, Mr. Becker indicated that
Sylvan would agree to terminate the Sylvan Merger Agreement and accept the
Termination Fee in full satisfaction of its rights under that agreement, subject
to negotiation of the terms and conditions of such termination. Thereafter,
Sylvan, Harcourt and the Company negotiated the Settlement Agreement regarding
termination of the Sylvan Merger Agreement and payment to Sylvan of the
Termination Fee.
 
     On May 9, 1997, the Board of Directors of the Company held a meeting to
consider and review the terms of the proposed Harcourt Merger Agreement. In
addition, the Company's financial adviser BZW, the investment banking division
of Barclays Bank PLC ("BZW"), made a presentation to the Board of Directors and
delivered its oral opinion, subsequently confirmed in writing (the "Fairness
Opinion"), that the $21.00 per Share cash consideration to be received by
stockholders of the Company (other than Harcourt and the Purchaser) pursuant to
the Offer and the Merger was fair to such stockholders from a financial point of
view. The full text of the Fairness Opinion received by the Company from BZW is
attached and filed as Exhibit (a)(3) to this Statement. STOCKHOLDERS ARE URGED
TO READ SUCH OPINION IN ITS ENTIRETY.
 
     After discussion and further analysis and subject to termination of the
Sylvan Merger Agreement, the Board of Directors unanimously approved the
Harcourt Merger Agreement and the transactions contemplated thereby, including
the Offer and the Merger, unanimously approved the execution of the Harcourt
Merger Agreement after termination of the Sylvan Merger Agreement, and
unanimously recommended that the stockholders of the Company accept the Offer
and tender their Shares pursuant thereto. The Board of Directors unanimously
recommended that, subject to termination of the Sylvan Merger Agreement, the
stockholders of the Company vote in favor of approval and adoption of the
Harcourt Merger Agreement and the Merger, to the extent their vote is required.
 
     On May 12, 1997, Harcourt, the Company and Sylvan entered into the
Settlement Agreement whereby (i) Sylvan agreed that the Sylvan Merger Agreement
would automatically terminate immediately prior to execution of the Harcourt
Merger Agreement and receipt by Sylvan of the Termination Fee, (ii) Harcourt and
the Company jointly and severally agreed to have the Company pay Sylvan the
Termination Fee and (iii) Sylvan, on the one hand, and Harcourt and the Company,
on the other hand, agreed to release all claims they might have against the
other.
 
     On May 12, 1997, following telephonic negotiations during which
representatives of Harcourt and the Company reached agreement on all of the
remaining terms of the Harcourt Merger Agreement, the Company, Harcourt and the
Purchaser executed and delivered the Harcourt Merger Agreement. On May 13, 1997,
Harcourt and the Company issued a joint press release announcing the execution
of the Harcourt Merger Agreement. Pursuant to the Harcourt Merger Agreement,
Harcourt increased the price to be paid pursuant to the Offer to $21.00 per
Share and extended the Offer to 12:00 midnight, New York City time, on Tuesday,
May 27, 1997.
 
     Among other things, in arriving at its decision regarding its
recommendation set forth above, the Board of Directors considered the following:
 
     - The determination that the Offer and the Merger were superior to the
       merger contemplated by the Sylvan Merger Agreement insofar as the $21.00
       per Share price represented a premium of approximately 9.3% over the
       effective price per Share being offered under the Sylvan Merger Agreement
       (based on the closing price per share of Sylvan common stock on May 8,
       1997);
 
     - Absent a negotiated deal, Harcourt might not have increased its offer
       above $19.50 per Share or, if it had done so, might have increased it to
       less than $21.00 per Share;
 
     - The determination that the Offer and the Merger presented less risk to
       the stockholders of the Company than the merger contemplated by the
       Sylvan Merger Agreement insofar as, under the latter agreement, (a) there
       existed a risk that the average closing price of Sylvan's common stock
       (the
 
                                       11
<PAGE>   12
 
       "Average Share Price") during the period of ten days preceding
       consummation of the Sylvan merger (the "Pricing Period") could fall to as
       low as $29.86 without the Company having a right to terminate the Sylvan
       Merger Agreement and without an adjustment to the Initial Conversion
       Ratio per Share, resulting in decreased value of the consideration to be
       received by the Company's stockholders for each Share of as low as $17.32
       per Share; and (b) there existed a risk that, if the Average Share Price
       of Sylvan's common stock during the Pricing Period fell below $29.86,
       pursuant to the Sylvan Merger Agreement, (i) Sylvan could elect to
       terminate the Sylvan Merger Agreement in which event the Company's
       stockholders might not have the opportunity to realize the benefits
       either under such agreement or under Harcourt's offer in the event
       Harcourt chose to terminate its proposal, (ii) the Board of Directors of
       the Company could elect not to terminate the Sylvan Merger Agreement in
       which case the Initial Conversion Ratio would remain in place and the
       implied value per Share would be less than $17.32, significantly less
       than the $21.00 per Share price to be paid by Harcourt pursuant to the
       Offer and the Merger, or (iii) the Board of Directors of the Company
       could elect to terminate the Sylvan Merger Agreement in which case the
       Board of Directors of Sylvan could either (a) allow the Sylvan Merger
       Agreement to terminate or (b) increase the Initial Conversion Ratio,
       provided, however, that the Board of Directors of Sylvan would not
       increase the Initial Conversion Ratio beyond .5945 regardless of the
       Average Share Price for Sylvan's common stock during the Pricing Period,
       resulting in a price per Share of no higher than $17.75 (assuming an
       Average Share Price of Sylvan's common stock of $29.85);
 
     - The fact that, even though the Company invited Sylvan management to
       improve its proposal for acquiring the Shares in light of the Offer,
       Sylvan showed no willingness or inclination to do so and declined to do
       so on May 8, 1997;
 
     - The fact that, since the public announcement of the Offer on April 21,
       1997, no unsolicited expressions of interest had been received by the
       Company or BZW from any third party;
 
     - The Fairness Opinion of BZW to the effect that, as of the date of such
       opinion, the $21.00 in cash per Share to be received by the stockholders
       of the Company pursuant to the Offer and the Merger is fair to such
       stockholders (other than Harcourt and the Purchaser) from a financial
       point of view. In addition the Board of Directors considered the
       presentation made to them by BZW, which included BZW's analysis of the
       various factors upon which its opinion is based; and
 
     - The terms and conditions of the Harcourt Merger Agreement, including the
       amount and form of the consideration being offered to the Company
       stockholders, the conditions to the Purchaser's obligations to consummate
       the Offer and the Merger, which the Board of Directors believes provide
       greater certainty to the Company's stockholders than the Sylvan Merger
       Agreement, and Harcourt's agreement to provide funds to the Company for
       the Company's payment of the Termination Fee.
 
     The foregoing discussion of factors considered by the Board of Directors is
not intended to be exhaustive but summarizes all material factors considered.
The Board of Directors did not assign relative or specific weights to the
factors to determine that any factor was of particular importance, but
individual members of the Board of Directors may have given differing weights to
differing factors and may have viewed certain factors more positively or
negatively than others. The Board of Directors viewed its recommendation as
being based upon the totality of the information presented to and considered by
them. Throughout its deliberations, the Board of Directors received the advice
of its financial and legal advisers.
 
ITEM 5. PERSONS RETAINED, EMPLOYED OR TO BE COMPENSATED.
 
     The Company has retained BZW, the investment banking division of Barclays
Bank PLC, to act as financial adviser to the Board of Directors for the purpose
of evaluating the fairness, from a financial point of view, of the consideration
to be received by the Company's stockholders pursuant to the Offer and the
Merger. BZW had previously been retained by the Company to provide similar
services in connection with the Sylvan Merger Agreement. As compensation for
BZW's services as financial adviser, the Company pays BZW a retainer fee of
$30,000 per month and will pay BZW a transaction fee of $4,000,000 upon
consummation of a sale of all or substantially all of the Company's stock or
assets. The monthly retainer fee will be credited
 
                                       12
<PAGE>   13
 
against the transaction fee. In addition, the Company has agreed to reimburse
BZW for all reasonable travel and other out-of-pocket expenses incurred by BZW
in connection with its activities as financial adviser, regardless of whether
any such sale is consummated. The Company has also agreed to indemnify BZW and
certain related persons against certain liabilities and expenses in connection
with its role as financial adviser.
 
     Except as disclosed herein, neither the Company nor any person acting on
its behalf currently intends to employ, retain or compensate any other persons
to make solicitations or recommendations to security holders on its behalf
concerning the Offer.
 
ITEM 6. RECENT TRANSACTIONS AND INTENT WITH RESPECT TO SECURITIES.
 
     (a) No transaction in the Shares has been effected during the past 60 days
by the Company, or to the best of the Company's knowledge, by any executive
officer, director, affiliate or subsidiary of the Company.
 
     (b) To the best of the Company's knowledge, to the extent permitted by
applicable securities laws, rules or regulations, each executive officer,
director and affiliate of the Company presently intends to tender in the Offer
all Shares over which he or she has sole dispositive power.
 
ITEM 7. CERTAIN NEGOTIATIONS AND TRANSACTIONS BY THE SUBJECT COMPANY.
 
     (a) Except as set forth herein, the Company is not engaged in any
negotiation in response to the Offer that relates to or would result in (i) an
extraordinary transaction, such as a merger or reorganization, involving the
Company or any subsidiary of the Company; (ii) a purchase, sale or transfer of a
material amount of assets by the Company or any subsidiary of the Company; (iii)
a tender offer for or other acquisition of securities by or of the Company; or
(iv) any material change in the present capitalization or dividend policy of the
Company.
 
     (b) Except as set forth herein, there are no transactions, Board of
Director resolutions, agreements in principle or signed contracts in response to
the Offer that relate to or would result in one or more of the events referred
to in Item 7(a) above.
 
ITEM 8. ADDITIONAL INFORMATION TO BE FURNISHED.
 
     The Information Statement attached as Schedule II hereto is being furnished
in connection with the possible designation by the Purchaser, pursuant to the
Harcourt Merger Agreement, of certain persons to be appointed to the Board of
Directors of the Company other than at a meeting of the Company's stockholders.
 
ITEM 9. MATERIAL TO BE FILED AS EXHIBITS.
 
<TABLE>
<CAPTION>
                                                                                     SEQUENTIALLY
                                                                                       NUMBERED
EXHIBIT NUMBER                               DESCRIPTION                                 PAGE
- ---------------    ----------------------------------------------------------------  ------------
<S>                <C>                                                               <C>
Exhibit (a)(1)     Press Release, dated May 1, 1997, issued by National Education
                   Corporation.....................................................     *
Exhibit (a)(2)     President's Letter to the Stockholders, dated May 2, 1997.......     *
Exhibit (a)(3)     Fairness Opinion of BZW, dated May 12, 1997.....................    --
Exhibit (a)(4)     Joint Press Release, dated May 13, 1997, issued by National
                   Education Corporation and Harcourt General, Inc. ...............    **
Exhibit (a)(5)     President's Letter to the Stockholders, dated May 14, 1997......    --
Exhibit (c)(1)     1986 Stock Option and Incentive Plan, as amended................     *
Exhibit (c)(2)     Amended and Restated 1990 Stock Option and Incentive Plan.......     *
Exhibit (c)(3)     Amended and Restated 1991 Directors' Stock Option and Award
                   Plan............................................................     *
Exhibit (c)(4)     National Education Corporation Supplemental Executive Retirement
                   Plan, as amended................................................     *
</TABLE>
 
                                       13
<PAGE>   14
 
<TABLE>
<CAPTION>
                                                                                     SEQUENTIALLY
                                                                                       NUMBERED
EXHIBIT NUMBER                               DESCRIPTION                                 PAGE
- ---------------    ----------------------------------------------------------------  ------------
<S>                <C>                                                               <C>
Exhibit (c)(5)     Supplemental Benefit Plan for Non-Employee Directors............     *
Exhibit (c)(6)     Executive Employment Agreement between National Education
                   Corporation and Sam Yau.........................................     *
Exhibit (c)(7)     Agreement and Plan of Merger, dated as of May 12, 1997, among
                   National Education Corporation, Harcourt General, Inc. and Nick
                   Acquisition Corporation.........................................    --
Exhibit (c)(8)     Settlement Agreement, dated May 12, 1997, among National
                   Education Corporation, Sylvan Learning Systems, Inc. and
                   Harcourt General, Inc. .........................................    --
</TABLE>
 
- ---------------
 
 * Previously filed as an exhibit to, or incorporated by reference to a
   previously filed document in, the Schedule 14D-9
 
** Previously filed as an exhibit to Amendment No. 1 to the Schedule 14D-9
 
                                       14
<PAGE>   15
 
                                   SIGNATURE
 
     After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
 
Dated: May 14, 1997
                                          NATIONAL EDUCATION CORPORATION
 
                                          By:      /s/ PHILIP C. MAYNARD
 
                                            ------------------------------------
                                            Name: Philip C. Maynard
                                            Title: Vice President, Secretary and
                                                   General Counsel
 
                                       15
<PAGE>   16
 
                                   SCHEDULE I
 
     In considering the recommendation of the Board of Directors set forth in
Item 4(a) of the amended Schedule 14D-9 of which this Schedule I is a part, the
Company's stockholders should be aware of material contracts, agreements,
arrangements and understandings between the Company or its affiliates and its
executive officers, directors or affiliates, which are described below and which
may present such persons with certain conflicts of interest regarding the Offer
and the Merger. Capitalized terms used herein and not otherwise defined have the
meaning ascribed to them in the Statement of which this Schedule I is a part.
 
Merger Nominees.
 
     Pursuant to the Harcourt Merger Agreement, promptly upon the purchase by
the Purchaser of Shares pursuant to the Offer, and from time to time thereafter,
the Purchaser shall be entitled to designate a certain number of persons to
serve as directors on the Board of Directors of the Company. For a discussion of
the foregoing right of the Purchaser, see Schedule II, "Right to Designate
Directors; Purchaser Designees." In addition, at the Effective Time, the
directors of the Purchaser immediately prior to such time will be the initial
directors of the Surviving Corporation, and the Company will use its reasonable
best efforts to cause each current director of the Company to resign from the
Board of Directors at or prior to the Effective Time.
 
Directors' and Officers' Insurance; Limitation of Liability of Directors and
Officers.
 
     The Harcourt Merger Agreement provides that the Company shall, and Harcourt
shall cause the Surviving Corporation to, from and after the Effective Time,
indemnify, defend and hold harmless each person who is now, or has been at any
time prior to the date of this Agreement or who becomes prior to the Effective
Time, an officer or director of the Company or any of the Company subsidiaries
(the "Indemnified Parties") against all losses, claims, damages, costs,
expenses, liabilities or judgments or amounts that are paid in settlement with
the approval of the indemnifying party (which approval shall not be unreasonably
withheld) of or in connection with any claim, action, suit, proceeding or
investigation based in whole or in part on or arising in whole or in part out of
the fact that such person is or was a director or officer, of the Company or any
of ICS Learning Systems, Inc., National Education Training Group, Inc. and
Steck-Vaughn Publishing Corp. (collectively, the "Company Subsidiaries") whether
pertaining to any matter existing or occurring at or prior to the Effective Time
and whether asserted or claimed prior to, or at or after, the Effective Time
("Indemnified Liabilities") including, without limitation, all losses, claims,
damages, costs, expenses, liabilities or judgments based in whole or in part on,
or arising in whole or in part out of, or pertaining to the Harcourt Merger
Agreement or the transactions contemplated thereby, in each case to the full
extent a corporation is permitted under the DGCL to indemnify its own directors
and officers. The Company or the Surviving Corporation, as the case may be, will
pay expenses in advance of the final disposition of any such action or
proceeding to each Indemnified Party to the full extent permitted by law upon
receipt of any undertaking contemplated by Section 145(e) of the DGCL. Without
limiting the foregoing, in the event any such claim, action, suit, proceeding or
investigation (whether arising before or after the Effective Time), (i) Harcourt
or the Surviving Corporation shall have the right to assume the defense thereof
and Harcourt shall not be liable to such Indemnified Parties for any legal
expenses of other counsel or any other expenses subsequently incurred by such
Indemnified Parties in connection with the defense thereof, except that if
Harcourt or the Surviving Corporation elects not to assume such defense or
counsel for the Indemnified Parties advises that there are issues that raise
conflicts of interest between Harcourt or the Surviving Corporation and the
Indemnified Parties, the Indemnified Parties may retain counsel satisfactory to
them, and Harcourt or the Surviving Corporation shall pay all reasonable fees
and expenses of such counsel for the Indemnified Parties promptly as statements
therefor are received; provided, however that Harcourt shall be obligated to pay
for only one firm of counsel for all Indemnified Parties in any jurisdiction
unless the use of one counsel for such Indemnified Parties would present such
counsel with a conflict of interest, (ii) the Indemnified Parties will cooperate
in the defense of any such matter and (iii) Harcourt shall not be liable for any
settlement of any claim effected without its written consent, which consent
shall not be unreasonably withheld; and provided, further, that Harcourt shall
not have any obligation to any Indemnified Party when and if a court of
competent jurisdiction shall ultimately determine, and such determination shall
have become
 
                                       I-1
<PAGE>   17
 
final and unappealable, that the indemnification of such Indemnified Party in
the manner contemplated by the Harcourt Merger Agreement is prohibited by
applicable law. Any Indemnified Party wishing to claim indemnification under the
Harcourt Merger Agreement, upon learning of any such claim, action, suit,
proceeding or investigation, shall promptly notify the Company (or the Surviving
Corporation after the Effective Time) (but the failure so to notify an
Indemnifying Party shall not relieve it from any liability which it may have for
liability except to the extent such failure prejudices such party), and shall
deliver to the Company (or the Surviving Corporation after the Effective Time)
the undertaking contemplated by the DGCL. The by-laws of the Company also
provide for the indemnification of the Company's directors and officers to the
fullest extent permitted by law.
 
     The Harcourt Merger Agreement requires that, for a period of five years
after the Effective Time, Harcourt shall cause the Surviving Corporation to use
reasonable efforts to maintain in effect, if available, directors' and officers'
liability insurance covering those persons who are, currently covered by the
Company's directors, and officers, liability insurance policy on terms and in an
amount comparable to those now applicable to directors and officers of the
Company; provided, however, that in no event shall the Surviving Corporation be
required to expend in any year in excess of 125% of the current premium being
paid by the Company for such coverage. The Harcourt Merger Agreement also
provides that in the event that the Surviving Corporation is not the surviving
corporation of a merger or consolidation with, or transfers all or substantially
all of its assets to, another entity, proper provisions would be made so that
the successors and assigns of the Surviving Corporation assume the foregoing
indemnification and insurance obligations.
 
Employment Arrangements.
 
     1. WITH MR. SAM YAU
 
     As of March 1, 1995, the Company entered into an Executive Employment
Agreement with Mr. Sam Yau (the "Yau Agreement"), naming him President, Chief
Executive Officer and a Director of the Company. The Yau Agreement provides for
a term of three years at a base salary not less than $350,000 per year. (Mr.
Yau's 1997 base salary is $367,000). Mr. Yau will be entitled to earn an annual
bonus based upon achievement of financial goals established annually by the
Compensation Committee of the Board of Directors. Mr. Yau's targeted bonus is
75% of his annual salary; however, Mr. Yau's bonus may be less or more than the
targeted amount based on achievement of the established goals. Mr. Yau is also
entitled to receive all Company benefits that historically have been made
available to the Company's Chief Executive Officer. The Yau Agreement may be
terminated at any time by the Company with or without cause; however, if the
Company terminates the Yau Agreement without cause, or Mr. Yau is terminated
following a change in control of the Company, Mr. Yau will be entitled to two
years' continuation of base salary, bonus and benefits. Consummation of the
Offer will constitute a change in control of the Company under the Yau
Agreement.
 
     2. WITH OTHER COMPANY EXECUTIVES
 
     The employment of Messrs. Keith Ogata, the Company's Vice President and
Chief Financial Officer, and Philip C. Maynard, the Company's Vice President,
Secretary and General Counsel, will terminate following a reasonable and
mutually agreeable transition period after consummation of the Offer. Messrs.
Ogata and Maynard have agreed to enter into agreements with Harcourt with
respect to their provision of services during such transition period and
continuation of certain of their benefits after the Offer. It is anticipated
that such terms will include the continuation of Messrs. Ogata's and Maynard's
respective salaries at their current level and the payment of a pro rata portion
of their respective 1997 target bonuses. Assuming that the Offer is consummated
on May 27, 1997, Messrs. Ogata and Maynard will receive approximately $50,000
and $37,500, respectively, as payment of such pro rata target bonuses.
 
Stock Option Plans and Stock Options.
 
     1. COMPANY PLANS.
 
     Each of the four executive officers of the Company (Mr. David C. Jones, the
Company's Chairman of the Board, and Messrs. Yau, Ogata and Maynard) hold
certain options (the "Company Options") to purchase
 
                                       I-2
<PAGE>   18
 
shares of common stock of the Company, par value $.01 per share (the "Company
Common Stock"). Upon consummation of the Offer, all such options will become
immediately vested and otherwise free from restrictions in their entirety. In
addition, immediately prior to the Effective Time, the Company stock option
plans and the Company Options granted thereunder will be cancelled by the
Company, and the holder thereof will be entitled to receive at the Effective
Time or as soon as practicable thereafter from the Company in consideration for
such cancellation an amount in cash equal to the product of (A) the number of
shares of Company Common Stock previously subject to each such Company Option
and (B) the excess, if any, of the Merger Consideration over the exercise price
per Share previously subject to such Company Option. After the Effective Time,
no further grants will be made under any of the Company stock option plans.
 
     2. NETG PLANS.
 
     The stock option plans of NETG provide that upon a change of control of the
Company all options granted pursuant to such plans shall immediately terminate.
Under the Harcourt Merger Agreement, upon consummation of the Offer, the
then-outstanding options to purchase shares of NETG common stock and the related
NETG stock option plans will terminate in accordance with their terms.
 
     3. SVPC PLANS.
 
     Harcourt and the Company have agreed that the Option Committee and the
Board of Directors of Steck-Vaughn Publishing Corp. ("SVPC") may amend all
options to purchase shares of SVPC common stock under any SVPC stock option
plans to provide for accelerated vesting upon consummation of the Offer and the
mandatory cash-out of such options upon the initiation of a going-private
transaction for SVPC.
 
     4. OPTIONS GRANTED IN CONNECTION WITH EMPLOYMENT.
 
          A. GRANTS TO MR. YAU
 
     On March 17, 1995, Mr. Yau was granted options (the "Initial Options") to
purchase 500,000 shares of Company Common Stock at the March 17, 1995 closing
price of $3.00 per share. The Initial Options vest in 36 equal monthly
installments commencing on June 1, 1995. In addition, for a period of 30 days
commencing on May 8, 1995, Mr. Yau was granted an opportunity to purchase up to
240,000 shares of Company Common Stock at the March 17, 1995 closing price with
a concomitant grant of options to Mr. Yau (the "Additional Options") to purchase
two and one-half shares of Company Common Stock at the same $3.00 per share
price for every share of Company Common Stock purchased during the 30-day
period. Mr. Yau purchased all of the 240,000 shares of Company Common Stock
offered to him and was granted Additional Options to purchase 600,000 shares of
Company Common Stock at $3.00 per share. The Additional Options have all vested
and remain exercisable through May 1, 2005. Subsequently, in February 1997, Mr.
Yau was granted options (the "Recent Options") to purchase 37,500 shares of
Company Common Stock at $14.95 per share, none of which have vested.
 
     Upon consummation of the Offer, the unvested portion of the Initial Options
and the Recent Options would vest. Accordingly, Mr. Yau would be entitled to
exercise Initial Options for approximately 153,000 shares, which would not
otherwise be exercisable until July 1, 1997, and monthly thereafter until May 1,
1998, all such options having an exercise price of $3.00 per share, and would be
entitled to exercise immediately the Recent Options. Exercise of the Initial,
Additional and Recent Options would be settled by payment of cash in the same
manner as the settlement of Company Options described above.
 
          B. GRANTS TO MESSRS. OGATA AND MAYNARD.
 
     On July 25, 1995, Messrs. Ogata and Maynard purchased 30,000 and 20,000
shares, respectively, of Company Common Stock at the July 25, 1995 closing price
of $5.25 per share, with a concomitant grant of options to each of them to
purchase two shares of Company Common Stock for every one purchased share, at
the price per share of $5.2875 (the average closing price of the Company Common
Stock for the ten immediately preceding trading days). Such stock options have
all vested and remain exercisable through July 26, 2005.
 
                                       I-3
<PAGE>   19
 
     The Company has granted other options to each of Messrs. Ogata and Maynard
to purchase shares of Company Common Stock, as discussed in paragraph 4(c)
below.
 
          C. OTHER GRANTS TO OFFICERS, KEY EMPLOYEES AND INSIDE DIRECTORS.
 
     Executive and key employees, including employee-directors, of the Company
are eligible to receive stock options and shares of restricted stock pursuant to
the Company's Amended and Restated 1990 Stock Option and Incentive Plan. Upon
consummation of the Offer, all such outstanding awards would become immediately
vested or otherwise free from restrictions in their entirety. Accordingly,
immediately after consummation of the Offer, plan participants would be entitled
to exercise options to purchase approximately 965,390 shares of Company Common
Stock (which would be cancelled in exchange for cash as described above) at a
weighted average exercise price per share of $8.47. Absent accelerated vesting
of such options, options to purchase 142,022, 339,755, 192,188, 174,015 and
57,410 shares of Company Common Stock would otherwise have become exercisable
during calendar year 1997, 1998, 1999, 2000 and 2001, respectively. In the event
the Merger is consummated, such options would be settled by payment of cash in
the same manner as described above regarding the Company Options.
 
          D. GRANTS TO OUTSIDE DIRECTORS.
 
     Options to purchase an aggregate of 142,000 shares of Company Common Stock,
at a weighted average exercise price per share of $7.76, have been granted to
the Company's non-employee directors pursuant to the Company's Amended and
Restated 1991 Directors' Stock Option and Award Plan. Upon consummation of the
Offer, all outstanding but unvested options granted under such plan
(specifically, options to purchase 22,500 shares of Company Common Stock, having
a weighted average exercise price per share of $14.16) would become immediately
exercisable. In the event the Merger is consummated, such options would be
settled by payment of cash in the same manner as described above regarding the
Company Options.
 
Severance Benefits.
 
     Pursuant to Company policy, in the event the employment of any of Messrs.
Ogata, Maynard, Keisling and Moran and Ms. Kopec is terminated without cause or
after a change of control of the Company, such executive officer is entitled to
continuation of his salary and fringe benefits for one year or, at such
executive officer's option, a lump sum payment equal to one year's salary.
Consummation of the Offer would constitute a change of control of the Company
for these purposes.
 
Supplemental Executive Retirement Plan.
 
     The Company has in effect an unfunded Supplemental Executive Retirement
Plan (the "SERP"), which provides for supplemental retirement income benefits as
early as age 60 for certain of its current and former executive officers and
presidents of Company Subsidiaries who have completed at least six years of
credited service. Each of Messrs. Yau, Ogata and Maynard is a SERP participant.
Each SERP participant is entitled to receive maximum lifetime retirement income
benefits in the amount of 60% of average earnings (reduced by the amount of a
participant's primary social security benefits), multiplied by the participant's
credited service percentage under the SERP. The credited service percentage
vests at a rate of 10% per year beginning with the sixth year of credited
service and becomes fully vested after 15 years of credited service. As of
February 28, 1997, the estimated years of credited service and credited service
percentage for the current participating executive officers are as follows: Mr.
Yau - 1 year (0%), Mr. Ogata - 11 years (60%) and Mr. Maynard - 3 years (0%). In
addition, the SERP provides for a death benefit of between two and three times
the average earnings of a participant, and a surviving spouse and minor children
also receive certain benefits under the SERP. The SERP also provides for
disability benefits of up to 60% of a participant's average earnings.
 
     The SERP further provides that, if a participant's employment is terminated
voluntarily or involuntarily within two years of a change of control of the
Company ("Timely Termination"), such participant is entitled to accelerated
vesting and payout of SERP benefits in a single lump sum. Consummation of the
Offer would
 
                                       I-4
<PAGE>   20
 
constitute a change of control of the Company for these purposes. Such lump sum
settlement shall be equal to the actuarial present value of full retirement
benefits, assuming that (i) such participant's employment had continued to age
65, (ii) such participant's earnings had remained unchanged to age 65 and (iii)
such participant was 65 for purposes of calculating social security benefits.
For these purposes, earnings are determined by using such participant's highest
annual earnings during the three-year period prior to the change of control.
Harcourt has agreed that, in the event of and upon consummation of the Offer,
the presidents of NETG and SVPC would be entitled to accelerated vesting and
payout of SERP benefits without Timely Termination, provided that (i) if they
remain employees after consummation of the Offer, they would be entitled to
payment of SERP benefits, with interest from consummation of the Offer, only
upon termination of employment, (ii) no additional SERP benefits would accrue
from and after consummation of the Offer and (iii) they would not participate in
any of Harcourt's retirement plans. Estimated lump sum payments to which Messrs.
Yau, Ogata and Maynard would be expected to be entitled are approximately
$2,171,000, $805,000 and $586,000, respectively, and to which all SERP
participants as a group would be expected to be entitled are $5,323,000.
 
DIRECTORS' FEES AND BENEFITS.
 
     In addition to certain immaterial fees, the Company pays each of its
non-employee directors an annual fee of $15,000, payable in the form of Company
Common Stock, valued at the fair market thereof. The Company also periodically
grants to each eligible non-employee director option(s) to purchase shares of
Company Common Stock pursuant to the Company's Amended and Restated 1991
Directors' Stock Option and Award Plan, as described above. Furthermore, subject
to certain exceptions, the Company accrues a retirement benefit for each
eligible non-employee director of the Company, pursuant to the Supplemental
Benefit Plan for Non-Employee Directors, equal to the director's fees received
for the given calendar year, subject to a maximum annual accrual of $25,000 for
each year on and after 1991, and a maximum accrual of $15,000 for 1990 and prior
years. For a more detailed discussion of directors' fees and benefits, see
Schedule II, "THE BOARD OF DIRECTORS AND COMMITTEES OF THE BOARD -- Directors'
Fees and Benefits."
 
                                       I-5
<PAGE>   21
 
                                  SCHEDULE II
 
                         NATIONAL EDUCATION CORPORATION
                                2601 MAIN STREET
                            IRVINE, CALIFORNIA 92614
 
                       INFORMATION STATEMENT PURSUANT TO
                    SECTION 14(F) OF THE SECURITIES EXCHANGE
                     ACT OF 1934 AND RULE 14F-1 THEREUNDER.
 
     This Information Statement is being mailed on or about May 14, 1997, as a
part of the Company's Amendment No. 2 to the Solicitation/Recommendation
Statement on Schedule 14D-9 ("Schedule 14D-9") to the holders of record of the
Shares at the close of business on or about May 12, 1997. You are receiving this
Information Statement in connection with the possible election of persons
designated by the Purchaser to a majority of the seats on the Board of Directors
of the Company. The Harcourt Merger Agreement requires the Company to use all
reasonable efforts to cause the Purchaser Designees (as defined below) to be
elected to the Board of Directors of the Company under the circumstances
described therein. This Information Statement is required by Section 14(f) of
the Exchange Act and Rule 14f-l thereunder. See "Board of Directors and
Executive Officers -- Right to Designate Directors; Purchaser Designees." You
are urged to read this Information Statement carefully. You are not, however,
required to take any action in connection with this information statement.
Capitalized terms used herein and not otherwise defined herein shall have the
meanings set forth in the attached Schedule 14D-9.
 
     Pursuant to the Harcourt Merger Agreement, the Purchaser amended the Offer
on May 13, 1997. The Offer is scheduled to expire at 12:00 midnight, New York
City time, on May 27, 1997, unless the Offer is further extended.
 
     The information contained in this Information Statement concerning the
Parent and the Parent Designees has been furnished to the Company by Harcourt
and the Purchaser, and the Company assumes no responsibility for the accuracy or
completeness of such information.
 
                   BOARD OF DIRECTORS AND EXECUTIVE OFFICERS
 
GENERAL
 
     The Shares are the only class of voting securities of the Company
outstanding. Each Share has one vote. As of May 12, 1997, there were 35,853,545
Shares outstanding. The Board of Directors is divided into three classes, with
each class elected for a term of three years and consisting, as nearly as
possible, of one-third of the total number of directors on the Board of
Directors. The Board of Directors currently consists of eleven members.
 
RIGHT TO DESIGNATE DIRECTORS; PURCHASER DESIGNEES
 
     Pursuant to the Harcourt Merger Agreement, promptly upon the purchase by
the Purchaser of Shares pursuant to the Offer, and from time to time thereafter,
the Purchaser shall be entitled to designate up to such number of directors,
rounded to the next whole number, on the Board of Directors of the Company as
shall give Purchaser representation on the Board of Directors equal to the
product of the total number of directors on such Board (giving effect to the
directors elected pursuant to this sentence) multiplied by the percentage that
the aggregate number of Shares beneficially owned by the Purchaser or any
affiliate of the Purchaser bears to the total number of Shares then outstanding,
and the Company shall, at such time, promptly take all action necessary to cause
Purchaser's designees to be so elected, including either increasing the size of
the Board of Directors or securing the resignations of incumbent directors or
both. At such times, the Company will use its best efforts to cause persons
designated by the Purchaser to constitute the same percentage as is on the Board
of Directors of the Company of (i) each committee of the Board of Directors of
the Company, (ii) each board of directors of each domestic subsidiary of the
Company and (iii) each committee of each such board, in each case to the extent
permitted by law. Until the effective time of the Merger, the Company
 
                                      II-1
<PAGE>   22
 
shall use its reasonable best efforts to ensure that all the members of the
Board of Directors of the Company as of the date hereof who are not employees of
the Company shall remain members of the Board of Directors of the Company.
 
     The Purchaser has informed the Company that each of the Purchaser Designees
has consented to act as a director. It is expected that the Purchaser Designees
may assume office as described above and that, upon assuming office, the
Purchaser Designees will thereafter constitute at least a majority of the Board
of Directors of the Company. It is further expected that none of the Purchaser
Designees will receive any compensation for services performed in his or her
capacity as a director of the Company.
 
     Biographical information concerning each of the Purchaser Designees and
directors and executive officers of the Company is presented in the following
pages.
 
PURCHASER DESIGNEES
 
     The Company has been advised by Harcourt that the Purchaser will choose the
Purchaser Designees from among the directors and officers of Harcourt and the
Purchaser listed in Schedule I of the Offer to Purchase, a copy of which is
being mailed to stockholders of the Company together with this Schedule 14D-9.
The information on such Schedule I with respect to such directors and officers
is incorporated herein by reference. As of May 13, 1997, the ages of such
directors and officers are as follows: William F. Connell -- 59, Gary L.
Countryman -- 57, Jack M. Greenberg -- 54, Brian J. Knez -- 39, Jeffrey R.
Lurie -- 45, Lynn Morley Martin -- 57, Maurice Segall -- 67, Richard A.
Smith -- 72, Robert A. Smith -- 38, Dr. Paula Stern -- 52, Hugo
Utyerhoeven -- 65, Dr. Clifton R. Wharton, Jr. -- 70, John R. Cook -- 55, Paul
F. Gibbons -- 45, Eric P. Geller -- 50, Peter Farwell -- 54, Gerald T.
Hughes -- 40, Michael F. Panutich -- 49, and Stephen C. Richards -- 41. Harcourt
has advised the Company that all such persons have consented to act as directors
of the Company if so designated. Harcourt has informed the Company that none of
the Purchaser Designees (i) is currently a director of, or holds any position
with, the Company, (ii) has a familial relationship with any of the directors or
executive officers of the Company, or (iii) to the best knowledge of Harcourt
and the Purchaser, beneficially owns any securities (or rights to acquire any
securities) of the Company. The Company has been advised by Harcourt that, to
the best knowledge of Harcourt and the Purchaser, none of the Purchaser
Designees has been involved in any transactions with the Company or any of its
directors, executive officers or affiliates which are required to be disclosed
pursuant to the rules and regulations of the Commission except as may be
disclosed herein or in the Schedule 14D-9.
 
                                      II-2
<PAGE>   23
 
                   BOARD OF DIRECTORS AND EXECUTIVE OFFICERS
 
CURRENT DIRECTORS
 
     The persons listed below currently are the directors of the Company.
 
     Richard C. Blum, 61 (director since 1987; term expires 1998)
 
     David Bonderman, 54 (director since 1993; term expires 1999)
 
     David R. Dukes, 53 (director since 1995; term expires 1997)
 
     Leonard W. Jaffe, 78 (director since 1976; term expires 1997)
 
     David C. Jones, 75 (director since 1983; term expires 1998)
 
     Michael R. Klein, 54 (director since 1991; term expires 1999)
 
     Paul B. MacCready, 71 (director since 1992; term expires 1998)
 
     Frederic V. Malek, 60 (director since 1984; term expires 1997)
 
     John J. McNaughton, 74 (director since 1954; term expires 1999)
 
     William D. Walsh, 66 (director since 1997; term expires 1997)
 
     Sam Yau, 48 (director since 1995; term expires 1998)
 
     Richard C. Blum is Chairman of Richard C. Blum & Associates, L.P., a
     merchant banking firm. Mr. Blum also is Vice Chairman of URS Corporation
     and a director of Sumitomo Bank of California, Shaklee Corporation,
     Northwest Airlines Corporation and C.B. Commercial Holdings, Inc. In
     addition, he is a special foreign advisor to Shanghai International Trust
     and Investment Company (China).
 
     David Bonderman has been Managing General Partner of TPG Partners, L.P., an
     investment partnership, from December 1993 to the present. Mr. Bonderman
     was indirect managing general partner of various investment partnerships
     from August 1992 to December 1993. He also was Vice President and Chief
     Operating Officer of Keystone, Inc. (formerly, Robert M. Bass Group, Inc.)
     from July 1983 to August 1992. In addition, Mr. Bonderman is a director of
     Bell & Howell Holdings Company, Carr Realty Corporation, Continental
     Airlines, Inc., Washington Mutual, Inc. and Denbury Resources, Inc.
 
     David R. Dukes has been Co-Chairman of Ingram Micro Inc., a personal
     computer products wholesaler, since January 1993, and was President of
     Ingram Micro Inc. from September 1989 to January 1993. Mr. Dukes has also
     been Chief Executive Officer of Ingram Alliance-Reseller Company since its
     formation in July 1994.
 
     Leonard W. Jaffe has been Vice Chairman of the Board of Directors since
     July 1989. Mr. Jaffe is a private investor and consultant. He also has been
     a director of Steck-Vaughn Publishing Corporation since May 1993.
 
     David C. Jones was Acting Chief Executive Officer of the Company from July
     1989 to April 1990. Mr. Jones has been a consultant and lecturer since July
     1982 and was Chairman of the Joint Chiefs of Staff from June 1978 through
     June 1982. He also is a director of SRA International, Inc., an information
     technology company, Chairman of the Board of Advisors of the National
     Civilian Community Corps. and a director of Advisors of TF Purifiner, Inc.
 
     Michael R. Klein has been a partner with the law firm of Wilmer, Cutler &
     Pickering since 1974. Mr. Klein has been Chairman of the Board of Realty
     Information Corp., Inc. since 1987, director of Steck-Vaughn Publishing
     Corporation since May 1993, and director of Perini Corporation since
     January 1997.
 
                                      II-3
<PAGE>   24
 
     Paul B. MacCready is Chairman of the Board of AeroVironment, Inc. Mr.
     MacCready also is a director of MacNeal-Schwendler Corporation.
 
     Frederic V. Malek has been Chairman of Thayer Capital Partners since April
     1993. Mr. Malek was a director of CB Commercial Real Estate Group, Inc. and
     Co-Chairman from April 1989 through October 1996. He also was Vice Chairman
     of Northwest Airlines from June 1990 through December 1991, and President
     of Northwest Airlines, Inc. from September 1989 through June 1990. Prior to
     1989, Mr. Malek was President of Marriott Hotels and Resorts. Currently, he
     is a director of Automatic Data Processing, Inc., FPL Group, Inc., various
     PaineWebber Mutual Funds, American Management Systems, Inc., Manor Care,
     Inc., Intrav, Inc., Northwest Airlines, Inc. and Choice Hotels, Inc.
 
     Mr. John J. McNaughton was the founder of the Company. Mr. McNaughton was
     President and Chairman of the Board of the Company from 1954 to 1980 and
     Chairman of the Board from 1954 until retirement in 1988. He is a director
     of Intervisual Books International and owner of McNaughton Farms.
 
     Mr. William D. Walsh is General Partner of Sequoia Associates, an
     investment partnership. Mr. Walsh also is Chairman of the Boards of
     Consolidated Freightways Corporation, Newell Industrial Corporation, Newell
     Manufacturing Corporation, Clayton Group, Inc. and Golden Valley Produce,
     LLC. He also is a director of URS Corporation, Newcourt Credit Corporation,
     Crown Vantage, Inc. and Basic Vegetable Products Corporation. In addition,
     Mr. Walsh is a member of the Visiting Committee and co-chair of the Dean
     Advisory Board for Harvard Law School. Furthermore, he is a member of the
     Board of Trustees of Fordham University and the Trustee for the
     Neurosciences Research Foundation at Scripps University.
 
     Sam Yau has been President, Chief Executive Officer and a director of the
     Company since May 1995. Mr. Yau was Chief Operating Officer of Advacare,
     Inc., a medical management company, from May 1993 to November 1994. He also
     was Senior Vice President of Finance and Administration for Archive
     Corporation (currently part of Seagate Technologies, Inc.), a computer
     storage (tape) company, from May 1987 to May 1993. In addition, Mr. Yau is
     a director of Steck-Vaughn Publishing Corporation and Powerwave, Inc.
 
CURRENT EXECUTIVE OFFICERS
 
     The persons listed below currently are the executive officers of the
Company.
 
<TABLE>
<CAPTION>
    NAME AND AGE                            OFFICES AND LENGTH OF SERVICE
- --------------------   -----------------------------------------------------------------------
<S>                    <C>
David C. Jones, 75     Chairman of the Board since July 1989
Sam Yau, 48            President and Chief Executive Officer since May 1995
Philip Maynard, 42     Vice President, Secretary and General Counsel since February 1994
Keith K. Ogata, 42     Vice President, Chief Financial Officer and Treasurer since April 1991
</TABLE>
 
     Philip C. Maynard has been Vice President, Secretary and General Counsel of
the Company since February 1994. Mr. Maynard was the General Counsel of Orchids
Paper Products Company from February 1993 to January 1994, Chief Executive
Officer and a director of McClellan Development from April 1989 to May 1992 and
a principal and a director of McClellan Development until February 1993. He also
was the General Partner of the law firm of Urland, Morello, Dunn & Maynard from
February 1985 to April 1989.
 
     Keith K. Ogata has been Vice President, Chief Financial Officer and
Treasurer of the Company since April 1991. Mr. Ogata also was Vice President and
Treasurer of the Company from April 1989 to April 1991, and Treasurer since
January 1987.
 
     Background information concerning Messrs. Jones and Yau is set forth under
"Board of Directors and Executive Officers -- Current Directors."
 
     All officers of the Company serve at the pleasure of the Board of
Directors.
 
                                      II-4
<PAGE>   25
 
                         SECURITY OWNERSHIP OF CERTAIN
                        BENEFICIAL OWNERS AND MANAGEMENT
 
     The following information is furnished with respect to ownership of shares
of the Company's common stock (which is the only class of stock of the Company
outstanding) beneficially owned, as of May 12, 1997, together with the
percentage of the outstanding shares which such ownership represents, by (i)
each beneficial owner of more than 5% of the outstanding shares of common stock
of the Company, (ii) each current director, (iii) each Named Executive Officer
(as defined under "Executive Compensation") and (iv) all current directors and
executive officers of the Company as a group. The persons named on the following
table have sole voting and investment power (or shares such powers with his or
her spouse) with respect to the shares owned by them unless otherwise indicated.
Beneficial ownership includes any shares the individual has the right to acquire
within 60 days following May 12, 1997, through the exercise of any stock option
or other right. As of May 12, 1997, there were 35,853,545 issued and outstanding
shares of Common Stock of the Company, not including treasury shares or shares
issuable on exercise of options or conversion of debentures.
 
<TABLE>
<CAPTION>
                                                                                  AMOUNT
                                                                                    AND
                                                                                 NATURE OF
     NAME OF INDIVIDUAL OR ENTITY                                                BENEFICIAL     PERCENT
     OR NUMBER OF PERSONS IN GROUP             POSITION WITH THE COMPANY         OWNERSHIP(1)   OF CLASS
- ---------------------------------------   ------------------------------------   ---------      --------
<S>                                       <C>                                    <C>            <C>
Westport Asset Management, Inc.                                                  4,856,700(2)     13.5%
Denver Investment Advisors LLC                                                   4,521,975(3)     12.6%
Richard C. Blum & Associates, L.P. and
  Richard C. Blum & Associates, Inc.                                             2,603,305(4)      7.3%
Richard C. Blum                           Director                               2,625,471(5)      7.3%
David Bonderman                           Director                                  73,841(6)      *
David R. Dukes                            Director                                   4,617         *
Leonard W. Jaffe                          Director                                  27,326         *
David C. Jones                            Chairman of the Board                     95,201         *
Michael R. Klein                          Director                                  27,326         *
Paul B. MacCready                         Director                                  15,326         *
Frederic V. Malek                         Director                                  36,379(7)      *
John J. McNaughton                        Director                                  31,544         *
William D. Walsh                          Director                                  24,240         *
Sam Yau                                   President, Chief Executive Officer
                                          and Director                           1,231,573         3.3%
Philip C. Maynard                         Vice President, Secretary and
                                          General Counsel                           68,443         *
Keith K. Ogata                            Vice President, Chief Financial
                                          Officer and Treasurer                    162,906         *
All Current Directors and Executive
  Officers as a Group (13 persons)                                               4,424,193(1)    11.9%
</TABLE>
 
- ---------------
 
 *  Less than 1%.
 
(1) The shares listed in the table include the following stock options
    exercisable on or within 60 days after May 12, 1997: Mr. Blum -- 15,000
    shares; Mr. Bonderman -- 9,000 shares; Mr. Dukes -- 2,500 shares; Mr.
    Jaffe -- 15,744 shares; Mr. Jones -- 63,750 shares; Mr. Klein -- 13,000
    shares; Mr. MacCready -- 11,000 shares; Mr. Malek -- 15,744 shares; Mr.
    McNaughton -- 9,000 shares; Mr. Walsh -- 15,744 shares; Mr. Yau -- 961,114
    shares; Mr. Maynard -- 47,500 shares; Mr. Ogata -- 121,906 shares; and all
    Directors and officers as a group -- 1,259,335 shares.
 
     The shares listed in the table also include the following debentures
     convertible into Common Stock of the Company: (a) 4,000 shares issuable on
     conversion of 6 1/2% Convertible Subordinated Debentures due 2011 (the
     "Company Debentures") owned by Mr. Jaffe; (c) 4,000 shares issuable on
     conversion of
 
                                      II-5
<PAGE>   26
 
     Company Debentures owned by Mr. Jones; and (d) 6,000 shares issuable on
     conversion of Company Debentures owned by Mr. Ogata. All current directors
     and officers as a group hold Company Debentures convertible into an
     aggregate of 14,000 shares.
 
(2) According to a Schedule 13G dated February 13, 1997, and filed with the SEC,
    Westport Asset Management, Inc., 253 Riverside Avenue, Westport, Connecticut
    06880 ("Westport") has sole voting and dispositive power over 318,400 shares
    and shared voting and dispositive power over 4,538,300 shares. From the
    Schedule 13G, it appears that the 4,538,300 shares are held in discretionary
    accounts managed by Westport, while the 318,400 shares are beneficially
    owned by officers and stockholders of Westport. Westport disclaims
    beneficial ownership of such shares and disclaims the existence of a group.
 
(3) According to a Schedule 13G dated February 10, 1997, and filed with the
    Securities and Exchange Commission ("SEC"), Denver Investment Advisors LLC,
    1225 17th Street, 26th Floor, Denver, Colorado 80202 has sole voting power
    over 2,989,775 shares and sole dispositive power over 4,521,975 shares.
 
(4) Richard C. Blum & Associates, L.P. ("RCBA L.P."), 909 Montgomery Street,
    Suite 400, San Francisco, California 94133, holds 15,478 shares directly and
    is the sole general partner in the following partnerships, which hold the
    specified number of shares: (a) BK Capital Partners II, L.P., 355,601
    shares; (b) BK Capital Partners III, L.P., 425,700 shares; (c) BK Capital
    Partners IV, L.P., 20,900 shares; and (d) BK-NEC, L.P., 368,556 shares. In
    addition, RCBA L.P. is investment adviser to The Common Fund, which holds
    1,417,070 shares. Richard C. Blum & Associates, Inc. ("RCBA Inc."), also at
    909 Montgomery Street, Suite 400, San Francisco, California 94133, is the
    sole general partner of RCBA L.P. RCBA L.P. and RCBA Inc. each disclaims
    beneficial ownership of all securities reported in the table, except to the
    extent of its pecuniary interest therein.
 
(5) Mr. Blum, the Chairman of the Board and substantial shareholder of RCBA
    Inc., directly owns 22,166 shares (including 15,000 shares issuable upon the
    exercise of stock options). Of the securities listed in the table, 2,603,305
    shares also are reported in the table as indirectly owned by RCBA L.P. and
    RCBA Inc. (see fn. 4 above). Mr. Blum disclaims beneficial ownership of all
    securities reported in the table except to the extent of his pecuniary
    interest therein.
 
(6) Incudes 60,515 shares held by Bonderman Family Limited Partnership, of which
    Mr. Bonderman is the general partner.
 
(7) Excludes Mr. Malek's 1.308% interest in BK Capital Partners II, L.P., which
    owns 355,601 shares of Common Stock (see fn. 4 above).
 
               THE BOARD OF DIRECTORS AND COMMITTEES OF THE BOARD
 
     The Board of Directors is responsible for the overall affairs of the
Company. During the fiscal year ended December 31, 1996, the Board of Directors
met five times.
 
     To assist it in carrying out its duties, the Board of Directors has
delegated certain authority to the following five committees: the Executive
Committee, the Compensation and Option Committee, the Audit Committee, the
Education and Technology Committee and the Nominating Committee. Members of each
standing committee are appointed by the Board of Directors at its organizational
meeting following each annual meeting of stockholders. The following sets forth
information concerning each committee, including membership as of December 31,
1996:
 
     The Executive Committee was comprised of Messrs. Jaffe (Chairman), Blum,
Jones, McNaughton and Yau. The Executive Committee exercises the power of the
Board of Directors (except for certain powers that by law may only be exercised
by the full Board) in monitoring the management of the business between meetings
of the Board of Directors. The Executive Committee held ten meetings during
1996.
 
     The Compensation and Option Committee, which held five meetings during
1996, was comprised of Messrs. Walsh (Chairman), Blum, Jaffe and Malek. The
Compensation and Option Committee reviews and
 
                                      II-6
<PAGE>   27
 
recommends the salaries and bonuses of officers and certain key employees of the
Company, establishes compensation and incentive plans, authorizes and approves
the granting of stock options and restricted stock in accordance with the
Company's stock option and incentive plans, and determined other fringe
benefits.
 
     The Audit Committee was comprised of Messrs. Klein (Chairman), Bonderman,
Jaffe and Dukes. The Audit Committee recommends engagement of the Company's
independent accountants and is primarily responsible for approving the services
performed by the Company's independent accountants and for reviewing and
evaluating the Company's accounting principles and its system of internal
controls. The Audit Committee held two meetings during 1996.
 
     The Education and Technology Committee, which met one time during 1996, was
comprised of Messrs. MacCready (Chairman), Jones, McNaughton, Yau, Dukes and
Klein. The Education and Technology Committee examines the application of the
latest technologies to the Company's business.
 
     The Nominating Committee makes recommendations to the Board of Directors
regarding the composition of the Board of Directors and the selection of
individual candidates for election to the Board of Directors. The committee
comprised of Messrs. Malek (Chairman), Jones, MacCready and, effective June
1996, Walsh, and met for one formal meeting during 1996. Nominees may be
recommended by stockholders and should be submitted to the Secretary of the
Company for consideration by the Nomination Committee.
 
     No incumbent director attended fewer than 75% of the aggregate 1996
meetings of the Board of Directors and meetings of the committees of the Board
on which he served, except for Mr. Bonderman, who attended three of the five
Board of Directors meetings and one of the two Audit Committee meetings.
 
     Directors' Fees and Benefits. The Company pays each of its directors who is
not an employee of the Company an annual fee of $15,000. Pursuant to the
Company's Amended and Restated 1991 Directors' Stock Option and Award Plan, such
annual fee is paid in the form of Common Stock of the Company, valued at the
fair market value of such Common Stock (in addition, $15,000 of the Chairman of
the Board's annual salary is paid in Common Stock of the Company rather than in
cash). In addition, each director who is not an employee of the Company receives
$1,500 for each Board meeting attended. Nonemployee directors serving on the
Executive Committee receive an additional $6,000 each year, but do not receive
compensation for attending Executive Committee meetings. Nonemployee directors
serving on Board committees other than the Executive Committee receive $1,000
for each committee meeting attended (unless the committee meeting is in
conjunction with a Board meeting, in which case the Director receives $500 per
committee meeting attended). Mr. Jaffe receives an additional $6,000 for serving
as Vice Chairman of the Board and $6,000 for serving as Chairman of the
Executive Committee; in addition, Mr. Jaffe receives a monthly automobile
allowance of $500 (for an aggregate of $6,000 during 1996). Other committee
chairmen receive an additional $3,000 each year. All directors are entitled to a
$2,500 annual financial planning allowance.
 
     Under a supplemental benefit plan, the Company accrues a retirement benefit
for each eligible director equal to the director's fees received for that year,
subject to a maximum annual accrual of $25,000 for 1991 and future years, and a
maximum annual accrual of $15,000 for 1990 and prior years (the "Retirement
Accrual"); however, any director failing to attend in a calendar year at least
50% of the aggregate number of meetings of the Board of Directors and of
committees on which he serves does not receive any Retirement Accrual for such
year. Each director's Retirement Accrual vests at 20% per year starting from
when a director first joins the Board of Directors, and fully vests after five
years of service on the Board of Directors. Upon retirement from the Board of
Directors, each director will be paid monthly installments totalling $25,000
annually until his vested Retirement Accrual is exhausted; however, if his
vested Retirement Accrual is less than $125,000, it will be paid over five
years. If a director dies prior to retirement, his beneficiary will receive the
greater of $15,000 per year for ten years or the director's retirement benefit.
If a director becomes disabled prior to retirement, the Company will pay him the
retainer through the end of the elected term and thereafter will pay retirement
benefits.
 
     All of the directors of the Company are eligible to participate in the
supplemental benefit plan, except Messrs. Yau and McNaughton. Mr. McNaughton
receives annual retirement payments from the Company based on his prior service
as an executive officer of the Company.
 
                                      II-7
<PAGE>   28
 
     Under the Amended and Restated 1991 Directors' Stock Option and Award Plan,
each eligible Director receives an initial stock option at fair market value to
purchase 5,000 shares of the Company's common stock. The initial option vests
and first becomes exercisable in two equal annual installments of 2,500 shares
each, commencing one year from the date of grant. In addition, at the first
regular Board meeting each calendar year through the year 2001, each eligible
director receives a stock option at fair market value, exercisable in full one
year from the date of grant, to purchase 2,000 shares of the Company's common
stock; however, a director does not receive the annual option grant in the first
year following receipt of the initial 5,000 share option grant if he received
the initial grant at a meeting later than the first regular Board meeting of the
prior calendar year.
 
     All of the directors of the Company are eligible to participate in the
Amended and Restated 1991 Directors' Stock Option and Award Plan, except Mr.
Yau. Mr. McNaughton became an eligible Director as of February 1, 1994.
Reference is made to the Schedule 14D-9 (and Schedule I thereto) for a
discussion of certain interests of directors in the Harcourt Merger Agreement.
 
                             EXECUTIVE COMPENSATION
 
     The following table sets forth certain summary information concerning
compensation for the periods indicated therein of the Company's Chief Executive
Officer and each of the other most highly compensated executive officers whose
annual salary and bonus for the last fiscal year exceeded $100,000 (the "Named
Executive Officers").
 
<TABLE>
<CAPTION>
                                                                                 LONG-TERM
                                                                            COMPENSATION AWARDS
                                                                            --------------------
                                                      ANNUAL COMPENSATION              NUMBER OF
                                                      -------------------   RESTRICTED SECURITIES   ALL OTHER
                                                       SALARY                STOCK     UNDERLYING  COMPENSATION
         NAME AND PRINCIPAL POSITION           YEAR     (1)       BONUS      AWARDS     OPTIONS        (2)
- ---------------------------------------------  ----   --------   --------   --------   ---------   ------------
<S>                                            <C>    <C>        <C>        <C>        <C>         <C>
Sam Yau......................................  1996   $350,000   $262,500   $      0           0      $6,200
President and Chief Executive                  1995   $285,386   $218,750   $120,000   1,100,000           0
Officer (from May 8, 1995)
Keith K. Ogata...............................  1996   $195,049   $116,400   $      0           0      $6,200
Vice President, Chief Financial Officer        1995   $184,842   $148,812   $      0      96,000      $6,000
and Treasurer                                  1994   $171,789   $      0   $      0      23,000      $6,000
Philip C. Maynard............................  1996   $143,667   $ 85,800   $      0           0      $5,429
Vice President, Secretary and                  1995   $133,547   $127,750   $      0      60,000      $4,765
General Counsel (from February 1, 1994)        1994   $112,019   $      0   $      0      10,000      $    0
David C. Jones...............................  1996   $ 89,000   $      0   $ 15,000       2,000      $    0
Chairman of the Board                          1995   $ 96,861   $      0   $ 26,865      12,000      $    0
                                               1994   $104,000   $      0   $      0       7,000      $    0
</TABLE>
 
- ---------------
 
(1) Amounts shown include cash and noncash compensation earned and received by
    executive officers as well as amounts earned but deferred at the election of
    these officers under the Company's 401(k) Retirement Plan.
 
(2) Consists of matching contributions made by the Company on behalf of such
    officers to the Company's 401(k) Retirement Plan.
 
                                      II-8
<PAGE>   29
 
OPTION GRANTS AND RELATED INFORMATION
 
     The following table sets forth information concerning stock option grants
to the Named Executive Officers during the fiscal year ended December 31, 1996.
 
                       OPTION GRANTS IN LAST FISCAL YEAR
 
<TABLE>
<CAPTION>
                                                                                                 POTENTIAL
                                                                                                REALIZABLE
                                                                                             VALUE AT ASSUMED
                                                                                                  ANNUAL
                                                      INDIVIDUAL GRANTS                       RATES OF STOCK
                                   -------------------------------------------------------         PRICE
                                   NUMBER OF    PERCENT OF TOTAL                             APPRECIATION FOR
                                   SECURITIES       OPTIONS                                   OPTION TERM (10
                                   UNDERLYING      GRANTED TO       EXERCISE    EXPIRATION       YEARS)(3)
                                    OPTIONS       EMPLOYEES IN     PRICE (PER      DATE      -----------------
            NAME (1)                GRANTED       FISCAL YEAR        SHARE)      (M/D/Y)       5%        10%
- ---------------------------------  ----------   ----------------   ----------   ----------   -------   -------
<S>                                <C>          <C>                <C>          <C>          <C>       <C>
David C. Jones...................     2,000(2)         .72%         $ 10.375      2/13/06    $13,050   $33,070
</TABLE>
 
- ---------------
 
(1) Messrs. Yau, Ogata and Maynard were not granted any options in 1996.
 
(2) These options are exercisable in full one year from the date of grant and
    become exercisable in full after a change of control of the Company.
 
(3) In accordance with Instruction 6 to Item 402(c) of Regulation S-K
    promulgated under the Securities Act of 1933, as amended, and the Securities
    Exchange Act of 1934, as amended, stock price appreciation has been
    calculated using a base price of the per share exercise price for each
    option, which exercise price equals the average closing price for the
    Company's Common Stock for the ten trading days prior to the date of grant.
    Annual 5% and 10% appreciation represents the following per share increases:
    from $10.375 per share to $16.90 (5%) and $26.91 (10%).
 
                                   TABLE III
 
                      AGGREGATED OPTION EXERCISES IN LAST
                 FISCAL YEAR AND FISCAL YEAR-END OPTION VALUES
 
<TABLE>
<CAPTION>
                                                                     NUMBER OF                     VALUE OF
                                                               SECURITIES UNDERLYING       UNEXERCISED IN-THE-MONEY
                                    NUMBER OF                   UNEXERCISED OPTIONS               OPTIONS AT
                                     SHARES                    AT DECEMBER 31, 1996          DECEMBER 31, 1996(1)
                                   ACQUIRED ON    VALUE     ---------------------------   ---------------------------
              NAME                  EXERCISE     REALIZED   EXERCISABLE   UNEXERCISABLE   EXERCISABLE   UNEXERCISABLE
- ---------------------------------  -----------   --------   -----------   -------------   -----------   -------------
<S>                                <C>           <C>        <C>           <C>             <C>           <C>
Sam Yau..........................          0     $      0     863,891        236,109      $10,582,665    $ 2,892,335
Keith K. Ogata...................     42,250     $424,256     104,656         42,250      $ 1,107,632    $   466,650
Philip C. Maynard................      8,750     $143,578      41,250         20,000      $   412,422    $   230,625
David C. Jones...................          0     $      0      56,750         13,250      $   632,138    $   133,625
</TABLE>
 
- ---------------
 
(1) Based upon the difference between the closing price on the New York Stock
    Exchange on December 31, 1996 of $15.25 and the option exercise price.
 
COMPLIANCE WITH SECTION 16(A) OF THE EXCHANGE ACT
 
     Section 16(a) of the Exchange Act requires the Company's directors and
executive officers and persons who own more than ten percent of the Shares to
file with the Commission initial reports relating to beneficial ownership and
reports of changes in beneficial ownership of such Shares. Copies of these
reports must also be furnished to the Company. Based solely on a review of
copies of such reports furnished to the Company and on written representations
from the reporting persons, the Company believes that all applicable Section
16(a) reporting requirements were complied with in the fiscal year ended
December 31, 1996.
 
                                      II-9
<PAGE>   30
 
COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION IN COMPENSATION
DECISIONS
 
     The Company's Compensation and Option Committee for the fiscal year ended
December 31, 1996 was comprised of Messrs. Walsh (Chairman), Blum, Jaffe and
Malek. There are no interlocking relationships between any executive officers of
the Company and any entity whose directors or executive officers serve on the
Board of Directors or the Compensation and Option Committee.
 
     Mr. Blum is the Chairman of Richard C. Blum & Associates, L.P. ("RCBA
L.P.") and is a substantial stockholder of Richard C. Blum & Associates, Inc.
("RCBA Inc."). Mr. Blum, RCBA L.P. and RCBA Inc. are deemed beneficial owners of
more than 5% of the Company's outstanding Common Stock (see "Security Ownership
of Certain Beneficial Owners and Management" above). In the past, RCBA L.P. has
provided consulting and investment banking services on behalf of the Company,
including its subsidiaries, on a variety of strategic issues relating to
enhancement of stockholder values. For example, RCBA L.P. was actively involved
in the public offering of SVPC in 1993 for which RCBA L.P. was paid a fee of
$393,000. RCBA L.P. did not provide any compensable services to the Company (or
any of its subsidiaries) in fiscal year 1996.
 
                                      II-10

<PAGE>   1
                                                                EXHIBIT (A).(3)
BZW
222 Broadway, New York, NY 10038
Telephone (212) 412-4000

May 12, 1997


Board of Directors                                                [BZW LOGO]
National Education Corporation
2601 Main Street, Suite 700
Irvine, CA 92614


Members of the Board of Directors:


You have requested us to confirm our oral opinion rendered on May 9, 1997 with
respect to the fairness, from a financial point of view and as of the date
hereof, of the consideration to be received by holders of common stock ("NEC
Common Stock") of National Education Corporation ("NEC"), other than Harcourt
General, Inc. ("Harcourt") and Nick Acquisition Corporation (the "Purchaser"), a
wholly-owned subsidiary of Harcourt, pursuant to the Agreement and Plan of
Merger, dated as of May 12, 1997, by and among Harcourt, the Purchaser and NEC
(the "Agreement").

The Agreement provides for a tender offer by the Purchaser for all shares of NEC
Common Stock (the "Tender Offer") pursuant to which the Purchaser will pay
$21.00 per share of NEC Common Stock accepted. Following completion of the
Tender Offer, the Purchaser will be merged with and into NEC (the "Merger"), and
each then outstanding share of NEC Common Stock will be converted into the right
to receive $21.00 in cash.

For purposes of this opinion we have: (i) reviewed financial information with
respect to NEC furnished to us by NEC, including certain internal financial
analyses and forecasts prepared by the management of NEC; (ii) reviewed publicly
available information regarding NEC; (iii) held discussions with the senior
management of NEC concerning the business, past and current business operations,
financial condition and future prospects of NEC; (iv) reviewed the stock price
and trading history of NEC; (v) reviewed the valuations of publicly traded
companies which we deemed comparable to NEC; (vi) compared the financial terms
of the Tender Offer with other transactions which we deemed relevant; (vii)
prepared discounted cash flow analyses with respect to NEC; (viii) reviewed the
Agreement; and (ix) made such other studies and inquiries, and reviewed such
other data, as we deemed relevant.
<PAGE>   2
National Education Corporation
May 12, 1997
page -2-


In connection with our opinion, we have not, however, independently verified any
of the foregoing information and have relied on all such information being
complete and accurate in all material respects. Furthermore, we did not obtain
any independent appraisal of the properties or assets and liabilities of NEC.
With respect to the financial and operating forecasts of NEC which we have
reviewed, we have assumed that such forecasts have been reasonably prepared in
good faith on the basis of reasonable assumptions and reflect the best currently
available estimates and judgments of NEC's management, and that such projections
and forecasts will be realized in the amounts and in the time periods currently
estimated by the management of NEC. This opinion is necessarily based upon
market, economic, and other conditions that exist and can be evaluated as of the
date of this letter, and on information available to us as of the date hereof.

BZW has provided certain investment banking and corporate banking services to
NEC from time to time, and has received fees for those services. Furthermore,
BZW has acted as financial advisor to NEC in connection with the Tender Offer,
and is entitled to receive fees contingent upon the closing of the Tender Offer.

Based upon and subject to the foregoing considerations, it is our opinion that,
as of May 9, 1997 (the date we rendered our oral opinion) and as of the date
hereof, the consideration to be received in the Tender Offer and the Merger by
holders of NEC Common Stock, other than Harcourt and the Purchaser, is fair to
such holders from a financial point of view.


Very truly yours,


BZW
A division of Barclays Bank PLC


By:  /s/ RICHARD J. ADUBATO
    ---------------------------
    Richard J. Adubato
    Director

<PAGE>   1
 
[NATIONAL EDUCATION CORPORATION LOGO]
 

                                  May 14, 1997
 
Dear Stockholder:
 
     I am pleased to inform you that, on May 12, 1997, National Education
Corporation entered into an Agreement and Plan of Merger (the "Harcourt Merger
Agreement") with Harcourt General, Inc. ("Harcourt") and Nick Acquisition
Corporation, a wholly-owned subsidiary of Harcourt (the "Purchaser"), and
contemporaneously entered into a settlement agreement with Harcourt and Sylvan
Learning Systems, Inc. ("Sylvan") to terminate the Agreement and Plan of
Reorganization between NEC and Sylvan. Pursuant to the Harcourt Merger
Agreement, the Purchaser has amended its tender offer (as amended, the "Offer")
to purchase all of the outstanding shares of NEC Common Stock (the "Shares") to
increase the offer price from $19.50 per Share to $21.00 per Share. The Offer
will be followed by a merger (the "Merger") in which any remaining Shares will
be converted into the right to receive $21.00 per Share in cash, without
interest.
 
     YOUR BOARD OF DIRECTORS HAS UNANIMOUSLY DETERMINED THAT THE OFFER AND THE
MERGER ARE FAIR TO, AND IN THE BEST INTERESTS OF, THE STOCKHOLDERS OF NEC, HAS
APPROVED THE OFFER AND THE MERGER, AND UNANIMOUSLY RECOMMENDS THAT NEC
STOCKHOLDERS ACCEPT THE OFFER AND TENDER THEIR SHARES PURSUANT TO THE OFFER.
 
     In arriving at its recommendation, your Board of Directors gave careful
consideration to a number of factors described in the attached amended Schedule
14D-9 that is being filed today with the Securities and Exchange Commission,
including, among other things, the opinion of BZW, the investment banking
division of Barclays Bank PLC, NEC's financial adviser, that the consideration
to be received by holders of NEC Common Stock in the Offer and the Merger is
fair to such holders from a financial point of view.
 
     Accompanying the attached amended Schedule 14D-9 relating to the Offer, is
the Offer to Purchase, dated April 21, 1997, as amended by a supplement dated
May 14, 1997, of Purchaser, together with related materials, including a related
Letter of Transmittal to be used for tendering your Shares. These documents set
forth the terms and conditions of the Offer and provide instructions as to how
to tender your Shares. I urge you to read the enclosed material carefully.
 
                                          Sincerely,
 

                                          /s/ Sam Yau
                                          Sam Yau
                                          President and Chief Executive Officer

<PAGE>   1
- ---------------------------------------------------------------------------






                          AGREEMENT AND PLAN OF MERGER


                                      Among


                             HARCOURT GENERAL INC.,

                          NICK ACQUISITION CORPORATION

                                       and

                         NATIONAL EDUCATION CORPORATION


                            Dated as of May 12, 1997





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





<PAGE>   2
                                TABLE OF CONTENTS

                                                                            Page

                                    ARTICLE I

                           THE OFFER ...................................      1
               
SECTION 1.1    The Offer ...............................................      1
SECTION 1.2    Company Action ..........................................      3
               
                                   ARTICLE II
               
                           THE MERGER ..................................      4
               
SECTION 2.1    The Merger ..............................................      4
SECTION 2.2    Effective Time ..........................................      5
SECTION 2.3    Effects of the Merger ...................................      5
SECTION 2.4    Certificate of Incorporation; By-Laws ...................      5
SECTION 2.5    Directors and Officers ..................................      5
SECTION 2.6    Conversion of Securities ................................      6
SECTION 2.7    Treatment of Company Outstanding
                  Options ..............................................      6
SECTION 2.8    Dissenting Shares and Section 262
                  Shares ...............................................      7
SECTION 2.9    Surrender of Shares; Stock Transfer
                  Books ................................................      7
            
                                   ARTICLE III

           REPRESENTATIONS AND WARRANTIES OF THE COMPANY .............        9

SECTION 3.1    Organization and Standing; Subsidiaries .................      9
SECTION 3.2    Capitalization of the Company ...........................     10
SECTION 3.3    Financial Statements; Exchange Act
                  Filings ..............................................     11
SECTION 3.4    No Undisclosed Liabilities ..............................     13
SECTION 3.5    Absence of Certain Changes, Events or
                  Conditions ...........................................     13
SECTION 3.6    No Default ..............................................     14
SECTION 3.7    Litigation, Etc .........................................     14
SECTION 3.8    Intellectual Property ...................................     14
SECTION 3.9    Environmental Laws and Regulations ......................     15
SECTION 3.10   Compliance ..............................................     16
SECTION 3.11   Labor Matters ...........................................     16
SECTION 3.12   Offer Documents; Proxy Statement ........................     17
SECTION 3.13   No Conflict With Other Documents ........................     17
SECTION 3.14   Authority; Consents .....................................     18
SECTION 3.15   Contracts ...............................................     19
SECTION 3.16   Customers and Suppliers .................................     20
SECTION 3.17   Tax Matters .............................................     20
SECTION 3.18   Title to Properties; Absence of Liens
                  and Encumbrances, Etc ................................     21
SECTION 3.19   Pension and Employee Benefit Plans ......................     22
SECTION 3.20   Foreign Corrupt Practices Act ...........................     24
SECTION 3.21   Insurance ...............................................     24
SECTION 3.22   No Pending Transactions .................................     24
<PAGE>   3
                                                                            Page

SECTION 3.23   Disclosure ..............................................     25
SECTION 3.24   Transactions with Affiliates ............................     25
SECTION 3.25   Opinion of Financial Advisor ............................     25
SECTION 3.26   Brokers .................................................     26
SECTION 3.27   Section 203 of the DGCL Not Applicable ..................     26
SECTION 3.28   NETG Options ............................................     26

                                   ARTICLE IV

  REPRESENTATIONS AND WARRANTIES OF PARENT AND PURCHASER ...............     26

SECTION 4.1   Corporate Organization ...................................     26
SECTION 4.2   Authority Relative to This Agreement .....................     26
SECTION 4.3   No Conflict; Required Filings and
                 Consents ..............................................     27
SECTION 4.4   Offer Documents; Proxy Statement .........................     27
SECTION 4.5   Brokers ..................................................     28
SECTION 4.6   Sufficient Funds .........................................     28
            
                                    ARTICLE V

           CONDUCT OF BUSINESS PENDING THE MERGER ......................     28

SECTION 5.1   Conduct of Business of the Company
                 Pending the Merger ....................................     28

                                   ARTICLE VI

                           ADDITIONAL AGREEMENT ........................     31

SECTION 6.1   Stockholders Meeting .....................................     31
SECTION 6.2   Proxy Statement ..........................................     32
SECTION 6.3   Company Board Representation; Section
                 14(f) .................................................     32
SECTION 6.4   Access to Information; Confidentiality ...................     34
SECTION 6.5   No Solicitation of Transactions ..........................     34
SECTION 6.6   SERP; Steck-Vaughn Options ...............................     35
SECTION 6.7   Indemnification ..........................................     35
SECTION 6.8   Amendment to Indenture ...................................     37
SECTION 6.9   Notification of Certain Matters ..........................     37
SECTION 6.10  Further Action; Reasonable Best Efforts ..................     38
SECTION 6.11  Public Announcements .....................................     38
SECTION 6.12  Disposition of Litigation ................................     38
SECTION 6.13  Postponement of Steck-Vaughn Annual
                 Meeting ...............................................     38
             
                                   ARTICLE VII

                           CONDITIONS OF MERGER ........................     39

SECTION 7.1   Conditions to Obligation of Each Party
                 to Effect the Merger ..................................     39

                                  ARTICLE VIII
<PAGE>   4
                                                                            Page

           TERMINATION, AMENDMENT AND WAIVER ...........................     39

SECTION 8.1   Termination ..............................................     39
SECTION 8.2   Effect of Termination ....................................     41
SECTION 8.3   Fees and Expenses ........................................     42
SECTION 8.4   Amendment ................................................     44
SECTION 8.5   Waiver ...................................................     44
            
                                   ARTICLE IX

                           GENERAL PROVISIONS ..........................     44

SECTION 9.1   Non-Survival of Representations,
                 Warranties and Agreements .............................     44
SECTION 9.2   Notices ..................................................     44
SECTION 9.3   Certain Definitions ......................................     45
SECTION 9.4   Severability .............................................     46
SECTION 9.5   Entire Agreement; Assignment .............................     47
SECTION 9.6   Parties in Interest ......................................     47
SECTION 9.7   Governing Law ............................................     47
SECTION 9.8   Headings .................................................     47
SECTION 9.9   Counterparts .............................................     47
            

ANNEX A    Offer Conditions ...........................................      49

<PAGE>   5



                          AGREEMENT AND PLAN OF MERGER


      AGREEMENT AND PLAN OF MERGER, dated as of May 12, 1997 (the "Agreement"),
among HARCOURT GENERAL, INC., a Delaware corporation ("Parent"), NICK
ACQUISITION CORPORATION, a Delaware corporation and a wholly-owned subsidiary of
Parent ("Purchaser"), and NATIONAL EDUCATION CORPORATION, a Delaware corporation
(the "Company").

      WHEREAS, Purchaser has outstanding an offer (such offer as amended
pursuant to this Agreement is hereinafter referred to as the "Offer") to
purchase all of the outstanding shares of Common Stock, par value $0.01 per
share, of the Company (the "Company Common Stock"; all of the outstanding shares
of Company Common Stock being hereinafter collectively referred to as the
"Shares"), at a purchase price of $19.50 per Share, net to the seller in cash,
without interest thereon, upon the terms and subject to the conditions set forth
in the Offer to Purchase dated April 21, 1997, and in the related letter of
transmittal;

      WHEREAS, in consideration of the Company's entering into this Agreement,
Parent is willing to cause Purchaser to increase the price to be paid pursuant
to the Offer to $21.00 per Share;

      WHEREAS, the Board of Directors of the Company has (i) determined that
this Agreement and the transactions contemplated hereby, including each of the
Offer and the Merger (as defined below), is fair to and in the best interests of
the stockholders of the Company, (ii) approved this Agreement and the
transactions contemplated hereby and (iii) resolved to recommend acceptance of
the Offer and the Merger and approval of this Agreement by such stockholders;
and

      WHEREAS, the Board of Directors of Parent and Purchaser have each approved
this Agreement and the merger (the "Merger") of Purchaser with the Company in
accordance with the General Corporation Law of the State of Delaware ("DGCL")
upon the terms and subject to the conditions set forth herein.

      NOW, THEREFORE, in consideration of the foregoing and the mutual covenants
and agreements herein contained, and intending to be legally bound hereby,
Parent, Purchaser and the Company hereby agree as follows:

                                    ARTICLE I

                                    THE OFFER

      SECTION 1.1 The Offer. (a) Provided that no event shall have occurred and
no circumstance shall exist which would result in a failure to satisfy any of
the conditions or events set forth in Annex A hereto (the "Offer Conditions"),
Purchaser shall amend the Offer as soon as practicable after


<PAGE>   6

the date hereof, and in any event within five business days from the date
hereof, (i) to increase the purchase price offered to $21.00 per Share, (ii) to
modify the conditions of the Offer to conform to the Offer Conditions and (iii)
to make such other amendments as are required to conform the Offer to this
Agreement and provisions of applicable laws. The obligation of Purchaser to
accept for payment Shares tendered shall be subject to the satisfaction of the
Offer Conditions. Purchaser expressly reserves the right, in its sole
discretion, to waive any such condition (other than the Minimum Condition as
defined in the Offer Conditions) and make any other changes in the terms and
conditions of the Offer, provided that, unless previously approved by the
Company in writing, no change may be made which decreases the price per Share
payable in the Offer, changes the form of consideration payable in the Offer
(other than by adding consideration), reduces the maximum number of Shares to be
purchased in the Offer, or imposes conditions to the Offer in addition to those
set forth herein which are adverse to holders of the Shares. Purchaser covenants
and agrees that, subject to the terms and conditions of this Agreement,
including but not limited to the Offer Conditions, it will accept for payment
and pay for Shares as soon as it is permitted to do so under applicable law,
subject to the prior satisfaction of the Offer Conditions. Notwithstanding the
immediately preceding sentence, Purchaser may extend the Offer, notwithstanding
the prior satisfaction of the Offer Conditions, for up to five business days and
then thereafter on a day-to-day basis for up to another five business days, if
as of the expiration date of the Offer (including as a result of any extensions
thereof), there shall have been tendered more than 80% but less than 90% of the
outstanding Shares so that the Merger could not be effected without a meeting of
the Company's stockholders in accordance with the applicable provisions of the
DGCL; provided that, after the initial extension pursuant to this sentence, the
Offer shall not be subject to any conditions other than (i) the conditions set
forth in clauses (a)(i) or (ii) or (d)(ii) of the Offer Conditions and (ii) the
absence of any intentional breach by the Company of the representations,
warranties, covenants or agreements set forth in this Agreement which has a
Material Adverse Effect on the Corporation. It is agreed that the Offer
Conditions are for the benefit of Purchaser and may be asserted by Purchaser
regardless of the circumstances giving rise to any such condition (other than
any action or inaction by Purchaser or Parent constituting a breach of this
Agreement) or, except with respect to the Minimum Condition, may be waived by
Purchaser, in whole or in part at any time and from time to time, in its sole
discretion. Purchaser shall terminate the Offer upon termination of this
Agreement pursuant to its terms.

            (b) As soon as reasonably practicable after the date hereof, and in
any event within five business days from the date hereof, Purchaser and Parent
shall amend their Tender Offer Statement on Schedule 14D-1 (the "Schedule
14D-1") with respect to the Offer which was originally filed with the 


<PAGE>   7

Securities and Exchange Commission (the "SEC" or "Commission") on April 21,
1997, and shall file such amendment with the SEC. The Company and its counsel
shall be given the opportunity to review the Schedule 14D-1 before it is filed
with the Commission, and shall be given copies of any comment letters from the
Commission regarding the Schedule 14D-1 and the opportunity to participate in
conversations with the Commission staff. The Schedule 14D-1 will contain a
supplement to the Offer to Purchase dated April 21, 1997 and revised forms of
the related letter of transmittal (which Schedule 14D-1, Offer to Purchase and
other documents, together with any further supplements or amendments thereto,
are referred to herein collectively as the "Offer Documents"). The Schedule
14D-1 and all amendments thereto will comply in all material respects with the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules
and regulations promulgated thereunder. Parent, Purchaser and the Company each
agrees promptly to correct any information provided by it for use in the Offer
Documents that shall have become false or misleading in any material respect,
and Parent and Purchaser further agree to take all steps necessary to cause the
Schedule 14D-1 as so corrected to be filed with the SEC and the other Offer
Documents as so corrected to be disseminated to holders of Shares, in each case
as and to the extent required by applicable federal securities laws.

      SECTION 1.2 Company Action. (a) The Company hereby approves of and
consents to the Offer and represents and warrants that: (i) its Board of
Directors, at a meeting duly called and held on May 9, 1997, has unanimously (A)
determined that this Agreement and the transactions contemplated hereby,
including each of the Offer and the Merger, are fair to and in the best
interests of the holders of Shares, (B) approved this Agreement and the
transactions contemplated hereby and (C) resolved to recommend that the
stockholders of the Company accept the Offer, tender their Shares to Purchaser
thereunder and approve this Agreement and the transactions contemplated hereby;
and (ii) BZW, the investment banking division of Barclays Bank PLC (the
"Financial Adviser" or "BZW"), has delivered to the Board of Directors of the
Company its written opinion that the consideration to be received by holders of
Shares, other than Parent and Purchaser, pursuant to each of the Offer and the
Merger is fair to such holders from a financial point of view. The Company has
been authorized by the Financial Adviser to permit, subject to prior review and
consent by the Financial Adviser (such consent not to be unreasonably withheld),
the inclusion of such fairness opinion (or a reference thereto) in the Offer
Documents and in the Schedule 14D-9 referred to below and the Proxy Statement
referred to in Section 3.12. The Company hereby consents to the inclusion in the
Offer Documents of the recommendations of the Company's Board of Directors
described in this Section 1.2(a).

            (b) The Company shall file with the SEC, contemporaneously with the
amendment to the Offer pursuant to Section 1.1, a Solicitation/Recommendation
Statement on 
<PAGE>   8
Schedule 14D-9 (together with all amendments and supplements thereto, the
"Schedule 14D-9"), containing the recommendations of the Company's Board of
Directors described in Section 1.2(a)(i) and shall promptly mail the Schedule
14D-9 to the stockholders of the Company. Parent and its counsel shall be given
the opportunity to review the Schedule 14D-9 before it is filed with the
Commission, and shall be given copies of any comment letters from the Commission
regarding the Schedule 14D-9 and the opportunity to participate in conversations
with the Commission staff. The Schedule 14D-9 and all amendments thereto will
comply in all material respects with the Exchange Act and the rules and
regulations promulgated thereunder. The Company, Parent and Purchaser each
agrees promptly to correct any information provided by it for use in the
Schedule 14D-9 that shall have become false or misleading in any material
respect, and the Company further agrees to take all steps necessary to cause the
Schedule 14D-9 as so corrected to be filed with the SEC and disseminated to
holders of Shares, in each case as and to the extent required by applicable
federal securities laws.

            (c) In connection with the Offer, if requested by Purchaser, the
Company shall promptly furnish Purchaser with mailing labels, security position
listings, any non-objecting beneficial owner lists and any available listings or
computer files containing the names and addresses of the record holders of
Shares, each as of a recent date, and shall promptly furnish Purchaser with such
additional information (including but not limited to updated lists of
stockholders, mailing labels, security position listings and non-objecting
beneficial owner lists) and such other assistance as Parent, Purchaser or their
agents may reasonably require in communicating the Offer to the record and
beneficial holders of Shares.

                                   ARTICLE II

                                   THE MERGER

      SECTION 2.1 The Merger. Upon the terms and subject to the conditions of
this Agreement and in accordance with the DGCL, at the Effective Time (as
defined in Section 2.2), Purchaser shall be merged with and into the Company. As
a result of the Merger, the separate corporate existence of Purchaser shall
cease and the Company shall continue as the surviving corporation of the Merger
(the "Surviving Corporation"). At Parent's election, the Merger may
alternatively be structured so that (i) the Company is merged with and into
Parent, Purchaser or any other direct or indirect subsidiary of Parent (provided
that in such event the Company makes no representation as to whether any
consents are required, or any agreements are adversely affected, thereby) or
(ii) any direct or indirect subsidiary of Parent other than Purchaser is merged
with and into the Company. In the event of such an election, the parties agree
to execute an appropriate amendment to this Agreement in order to reflect such
election.

<PAGE>   9

      SECTION 2.2 Effective Time. As soon as practicable after the satisfaction
or waiver of the conditions set forth in Article VII, the parties hereto shall
cause the Merger to be consummated by filing this Agreement or a certificate of
merger or a certificate of ownership and merger (the "Certificate of Merger")
with the Secretary of State of the State of Delaware, in such form as required
by and executed in accordance with the relevant provisions of the DGCL (the date
and time of the filing of the Certificate of Merger with the Secretary of State
of the State of Delaware (or such later time as is specified in the Certificate
of Merger) being the "Effective Time").

      SECTION 2.3 Effects of the Merger. The Merger shall have the effects set
forth in the applicable provisions of the DGCL. Without limiting the generality
of the foregoing and subject thereto, at the Effective Time all the property,
rights, privileges, immunities, powers and franchises of the Company and
Purchaser shall vest in the Surviving Corporation, and all debts, liabilities
and duties of the Company and Purchaser shall become the debts, liabilities and
duties of the Surviving Corporation.

      SECTION 2.4 Certificate of Incorporation; By-Laws. (a) At the Effective
Time and without any further action on the part of the Company and Purchaser,
the Certificate of Incorporation of the Company as in effect immediately prior
to the Effective Time shall be amended so as to read in its entirety in the form
set forth as Exhibit A hereto, and, as so amended, until thereafter further
amended as provided therein and under the DGCL it shall be the certificate of
incorporation of the Surviving Corporation.

            (b) At the Effective Time and without any further action on the part
of the Company and Purchaser, the By-Laws of Purchaser shall be the By-Laws of
the Surviving Corporation and thereafter may be amended or repealed in
accordance with their terms or the Certificate of Incorporation of the Surviving
Corporation and as provided by law.

      SECTION 2.5 Directors and Officers. The directors of Purchaser 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
Purchaser 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 (as the case may be) and qualified. The Company shall
use reasonable best efforts to cause each director of the Company (other than
any directors appointed pursuant to Section 6.3(a)) to resign from its Board of
Directors at or prior to the Effective Time.

      SECTION 2.6 Conversion of Securities. At the Effective Time, by virtue of
the Merger and without any action on the 
<PAGE>   10

part of Purchaser, the Company or the holders of any of the following
securities:

            (a) Each Share issued and outstanding immediately prior to the
      Effective Time (other than any Shares to be cancelled pursuant to Section
      2.6(b) and any Dissenting Shares (as defined in Section 2.8(a))) shall be
      cancelled, extinguished and converted into the right to receive $21.00 in
      cash or any higher price that may be paid pursuant to the Offer (the
      "Merger Consideration") payable to the holder thereof, without interest,
      upon surrender of the certificate formerly representing such Share in the
      manner provided in Section 2.9, less any required withholding taxes.

            (b) Each share of Company Common Stock held in the treasury of the
      Company and each Share owned by Parent, Purchaser or any other direct or
      indirect wholly-owned subsidiary of Parent or of the Company, in each case
      immediately prior to the Effective Time, shall be cancelled and retired
      without any conversion thereof and no payment or distribution shall be
      made with respect thereto.

            (c) Each share of common, preferred or other capital stock of
      Purchaser issued and outstanding immediately prior to the Effective Time
      shall be converted into and become one validly issued, fully paid and
      nonassessable share of identical common, preferred or other capital stock
      of the Surviving Corporation.

      SECTION 2.7 Treatment of Company Outstanding Options. Prior to the
Effective Time, the Board of Directors of the Company (or, if appropriate, any
Committee thereof) shall adopt appropriate resolutions and take all other
actions necessary to provide that immediately prior to the Effective Time, each
Company Outstanding Option (as defined herein) then outstanding, whether or not
then exercisable, shall be cancelled by the Company, and the holder thereof
shall be entitled to receive at the Effective Time or as soon as practicable
thereafter from the Company in consideration for such cancellation an amount in
cash equal to the product of (a) the number of Shares previously subject to such
Company Outstanding Option and (b) the excess, if any, of the Merger
Consideration over the exercise price per Share previously subject to such
Company Outstanding Option.

      SECTION 2.8 Dissenting Shares and Section 262 Shares. (a) Notwithstanding
anything in this Agreement to the contrary, shares of Company Common Stock that
are issued and outstanding immediately prior to the Effective Time and which are
held by stockholders who have not voted in favor of or consented to the Merger
and shall deliver a written demand for appraisal of such shares of Company
Common Stock in the time and manner provided in Section 262 of the DGCL and
shall not fail to perfect or shall not effectively withdraw or lose their rights
to appraisal and payment under the DGCL (the

<PAGE>   11

"Dissenting Shares") shall not be converted into the right to receive the Merger
Consideration, but shall be entitled to receive the consideration as shall be
determined pursuant to Section 262 of the DGCL; provided, however, that if such
holder shall fail to perfect or shall effectively withdraw or lose his, her or
its right to appraisal and payment under the DGCL, such holder's shares of
Company Common Stock shall thereupon be deemed to have been converted, at the
Effective Time, into the right to receive the Merger Consideration set forth in
Section 2.6(a) of this Agreement, without any interest thereon.

            (b) The Company shall give Parent (i) prompt notice of any demands
for appraisal pursuant to Section 262 received by the Company, withdrawals of
such demands, and any other instruments served pursuant to the DGCL and received
by the Company and (ii) the opportunity to direct all negotiations and
proceedings with respect to demands for appraisal under the DGCL. The Company
shall not, except with the prior written consent of Parent (which consent shall
not be unreasonably withheld or delayed), make any payment with respect to any
such demands for appraisal or offer to settle or settle any such demands.

      SECTION 2.9 Surrender of Shares; Stock Transfer Books. (a) Prior to the
Effective Time, Purchaser shall designate a bank or trust company to act as
agent for the holders of Shares in connection with the Merger (the "Paying
Agent") to receive the Merger Consideration to which holders of Shares shall
become entitled pursuant to Section 2.6(a). When and as needed, Parent or
Purchaser will make available to the Paying Agent sufficient funds to make all
payments pursuant to Section 2.9(b). Such funds shall be invested by the Paying
Agent as directed by Purchaser or, after the Effective Time, the Surviving
Corporation, provided that such investments shall be in obligations of or
guaranteed by the United States of America, in commercial paper obligations
rated A-1 or P-1 or better by Moody's Investors Service, Inc. or Standard &
Poor's Corporation, respectively, or in certificates of deposit, bank repurchase
agreements or banker's acceptances of commercial banks with capital exceeding
$500 million. Any net profit resulting from, or interest or income produced by,
such investments will be payable to the Surviving Corporation or Parent, as
Parent directs.

            (b) Promptly after the Effective Time, the Surviving Corporation
shall cause to be mailed to each record holder, as of the Effective Time, of an
outstanding certificate or certificates which immediately prior to the Effective
Time represented Shares (the "Certificates"), a form of letter of transmittal
(which shall specify that delivery shall be effected, and risk of loss and title
to the Certificates shall pass, only upon proper delivery of the Certificates to
the Paying Agent) and instructions for use in effecting the surrender of the
Certificates for payment of the Merger Consideration therefor. Upon surrender to
the Paying Agent of a Certificate, together with such letter of 

<PAGE>   12

transmittal, duly completed and validly executed in accordance with the
instructions thereto, and such other documents as may be required pursuant to
such instructions, the holder of such Certificate shall be entitled to receive
in exchange therefor the Merger Consideration for each Share formerly
represented by such Certificate, and such Certificate shall then be cancelled.
No interest shall be paid or accrued for the benefit of holders of the
Certificates on the Merger Consideration payable upon the surrender of the
Certificates. If payment of the Merger Consideration is to be made to a person
other than the person in whose name the surrendered Certificate is registered,
it shall be a condition of payment that the Certificate so surrendered shall be
properly endorsed or shall be otherwise in proper form for transfer and that the
person requesting such payment shall have paid any transfer and other taxes
required by reason of the payment of the Merger Consideration to a person other
than the registered holder of the Certificate surrendered or shall have
established to the satisfaction of the Surviving Corporation that such tax
either has been paid or is not applicable.

            (c) At any time following one year after the Effective Time, the
Surviving Corporation shall be entitled to require the Paying Agent to deliver
to it any funds (including any interest received with respect thereto) which had
been made available to the Paying Agent and which have not been disbursed to
holders of Certificates, and thereafter such holders shall be entitled to look
to the Surviving Corporation (subject to abandoned property, escheat or other
similar laws) only as general creditors thereof with respect to the Merger
Consideration payable upon due surrender of their Certificates. Notwithstanding
the foregoing, neither the Surviving Corporation nor the Paying Agent shall be
liable to any holder of a Certificate for Merger Consideration delivered to a
public official pursuant to any applicable abandoned property, escheat or
similar law.

            (d) At the Effective Time, the stock transfer books of the Company
shall be closed and thereafter there shall be no further registration of
transfers of shares of Company Common Stock on the records of the Company. From
and after the Effective Time, the holders of Certificates evidencing ownership
of Shares outstanding immediately prior to the Effective Time shall cease to
have any rights with respect to such Shares except as otherwise provided for
herein or by applicable law.

                                   ARTICLE III

               REPRESENTATIONS AND WARRANTIES OF THE COMPANY

      The Company hereby represents and warrants to the Purchaser that the
statements contained in this Article III are true and correct, except as set
forth in the disclosure schedule delivered by the Company to the Purchaser on or
before the date of this Agreement (the "Company Disclosure Schedule"). The
Company Disclosure Schedule shall be arranged

<PAGE>   13

in sections corresponding to the numbered and lettered sections contained in
this Article III. The disclosure in any paragraph shall be deemed to constitute
disclosure for all sections in this Article III.

      SECTION 3.1 Organization and Standing; Subsidiaries. (a) Each of the
Company and its subsidiaries whose business or assets are material to the
Company either individually or on a consolidated basis (collectively, the
"Company Subsidiaries", and, together with the Company, collectively the
"Corporation") is a corporation duly organized, validly existing and in good
standing under the laws of the jurisdiction of its incorporation and has all
requisite corporate power and authority to own, lease and operate its properties
and to carry on its businesses as now being conducted, except where the failure
to be so organized, existing and in good standing or to have such power and
authority would not, and reasonably could not be expected to, individually or in
the aggregate, have a Material Adverse Effect on the Corporation. When used in
connection with the Company or any of its subsidiaries, the term "Material
Adverse Effect" means any change or effect that would be materially adverse to
the business, assets (whether tangible or intangible), financial condition,
results of operations or business prospects of the Company and its subsidiaries
taken as a whole. The Company has heretofore delivered to Purchaser accurate and
complete copies of the Company's Certificate of Incorporation and By-Laws, as
currently in effect, and promptly will deliver to Purchaser accurate and
complete copies of the Certificate of Incorporation and By-Laws, as currently in
effect, of each of the Company Subsidiaries. The Company Disclosure Schedule
includes a list of each of the Company's subsidiaries.

            (b) Each of the Company and the Company Subsidiaries is duly
qualified or licensed and in good standing to do business in each jurisdiction
in which the property owned, leased or operated by it or the nature of the
business conducted by it makes such qualification or licensing necessary, except
in such jurisdictions where the failure to be so duly qualified or licensed and
in good standing would not, individually or in the aggregate, have a Material
Adverse Effect on the Corporation.

      SECTION 3.2 Capitalization of the Company. (a) The Company's entire
authorized capital stock consists of 70,000,000 shares, of which 65,000,000
shares are classified as Company Common Stock, and 5,000,000 of which are
classified as Preferred Stock, par value $.10 per share (the "Preferred Stock").
As of the date hereof, there are no shares of Preferred Stock issued and
outstanding, 35,853,545 shares of Company Common Stock issued and outstanding
(not including 697,556 shares of Company Common Stock held in the Company's
treasury), 4,996,131 shares reserved for issuance in connection with the
Company's stock option plans (of which options to purchase 2,902,357 shares are
outstanding (the "Company Outstanding Options")); and 2,184,760 shares reserved

<PAGE>   14

for issuance upon conversion of the Company's 6 1/2% Convertible Debentures (the
"Debentures") outstanding on the date hereof (the "Outstanding Debentures").
Except as set forth above or in the Company Disclosure Schedule, there are
outstanding (i) no shares of capital stock or other voting securities of the
Company, (ii) no securities of the Company or any of the Company Subsidiaries
convertible into or exchangeable for shares of capital stock or other voting
securities of the Company, (iii) no options, warrants or other rights to acquire
from the Company or any of the Company Subsidiaries (including any rights issued
or issuable under a shareholders rights plan or similar arrangement), and no
obligations of the Company or any of the Company Subsidiaries to issue, any
capital stock, voting securities or securities convertible into or exchangeable
for capital stock or voting securities of the Company, (iv) no equity
equivalents, interests in the ownership or earnings of the Company or any of the
Company Subsidiaries or other similar rights (with the securities listed in
clauses (i) through (iv) referred to collectively as the "Corporation's
Securities"), and (v) no outstanding obligations of the Company or any of the
Company Subsidiaries to repurchase, redeem or otherwise acquire any of the
Corporation's Securities or to make any investment (by loan, capital
contribution or otherwise) in any other entity. The Company Disclosure Statement
sets forth a list of all Company Outstanding Options, including the shares of
each holder thereof, which such options are currently vested and which such
options will vest as a result of the Merger.

            (b) All of the outstanding capital stock of, or other ownership
interests in, each of the Company Subsidiaries, is owned by the Company,
directly or indirectly, free and clear of any Lien or any other limitation or
restriction (including any restriction on the right to vote or sell the same,
except as may be provided as a matter of law). For purposes of this Agreement,
"Lien" means, with respect to any asset (including, without limitation, any
security) any mortgage, lien, pledge, charge, security interest or encumbrance
of any kind in respect of such asset. There are no securities of the Company or
any of the Company Subsidiaries convertible into or exchangeable for, no options
or other rights to acquire from the Company or any of the Company Subsidiaries,
and no other contract, understanding, arrangement or obligation (whether or not
contingent) providing for the issuance or sale, directly or indirectly, of any
capital stock or other ownership interests in, or any other securities of, any
of the Company Subsidiaries. There are no outstanding contractual obligations of
the Company or any of the Company Subsidiaries to repurchase, redeem or
otherwise acquire any outstanding shares of capital stock or other ownership
interests in any subsidiary of the Company.

            (c) All issued and outstanding shares of the capital stock of the
Company and each of the Company Subsidiaries have been duly authorized and
validly issued and are fully paid and non-assessable, free of any preemptive
rights. The Company Outstanding Options and the Outstanding 
<PAGE>   15

Debentures have been duly authorized and validly issued and are in full force
and effect. As of the date hereof, there are $54,619,000 principal amount of
Outstanding Debentures; and $2,875,000 principal amount of Debentures have
heretofore been repurchased by the Company.

      SECTION 3.3 Financial Statements; Exchange Act Filings. (a) The Company
has heretofore delivered to the Purchaser copies of: (i) the Company's
consolidated financial statements as of and for the years ended December 31,
1994, 1995 and 1996, which have been audited by Price Waterhouse, independent
public accountants (the "Company Audited Financial Statements"), and (ii) the
Company's unaudited consolidated financial statements as of and for the three
months ended March 31, 1997, (the "Company Unaudited Financial Statements"). The
Company Audited Financial Statements and Company Unaudited Financial Statements
(collectively, the "Company Financial Statements") fairly present, in conformity
with generally accepted accounting principles applied on a consistent basis by
the Company (except as may be indicated in the notes thereto) and in conformity
with the Commission's Regulation S-X, the consolidated financial position of the
Company and its consolidated subsidiaries as of the dates thereof and their
consolidated results of operations and cash flows for the periods then ended
(subject in the case of any unaudited financial statements to normal recurring
year-end audit adjustments, which are not expected to be material in amount).
Since January 1, 1997, the Company has not made any changes in the accounting
policies applied to the Company Audited Financial Statements, and no such
changes are currently contemplated nor, to the best of the Company's knowledge,
required under generally accepted accounting principles or the Commission's
Regulation S-X. The restructuring charges and losses from discontinued
operations shown on the Company Financial Statements have been properly recorded
in accordance with generally accepted accounting principles, represent
management's best estimate of the cost of discontinuing the operations to which
such charges relate, and to the best of the Company's knowledge, there will be
no further charges other than those already accrued on the Company Financial
Statements as a result of the discontinuation of such operations.

            (b) The Company has heretofore delivered to the Purchaser copies of:
(i) the financial statements of Steck-Vaughn Publishing Corporation
("Steck-Vaughn") as of and for the years ended December 31, 1994, 1995 and 1996,
which have been audited by Price Waterhouse, independent public accountants (the
"Steck-Vaughn Audited Financial Statements"), and (ii) Steck-Vaughn's unaudited
consolidated financial statements as of and for the three months ended March 31,
1997 (the "Steck-Vaughn Unaudited Financial Statements"). The Steck-Vaughn
Audited Financial Statements and Steck-Vaughn Unaudited Financial Statements
(collectively, the "Steck-Vaughn Financial Statements") fairly present, in
conformity with generally accepted accounting principles applied on a consistent
basis by the Company (except as may be indicated in 


<PAGE>   16



the notes thereto) and in conformity with the Commission's Regulation S-X, the
consolidated financial position of Steck-Vaughn and its consolidated
subsidiaries as of the dates thereof and their consolidated results of
operations and cash flows for the periods then ended (subject in the case of any
unaudited interim financial statements to normal recurring year-end audit
adjustments, which are not expected to be material in amount). Since January 1,
1997, Steck-Vaughn has not made any changes in the accounting policies applied
to the Steck-Vaughn Audited Financial Statements, and no such changes are
currently contemplated nor, to the best of the Company's knowledge, required
under generally accepted accounting principles or the Commission's Regulation
S-X.

            (c) The Company has heretofore delivered to the Purchaser complete
copies of all periodic reports, statements and other documents (including
Exhibits thereto) that the Company and Steck-Vaughn have filed with the
Commission under the Exchange Act since January 1, 1993 (collectively, the
"Company SEC Reports"). All Company SEC Reports required to be filed with the
Commission by the Company and Steck-Vaughn during the twelve months preceding
the date of this Agreement were filed in a timely manner and complied in all
material respects with the applicable requirements of the Exchange Act and the
rules and regulations promulgated thereunder. At the time filed with the SEC, no
Company SEC Report contained any untrue statement of a material fact or omitted
to state any material fact required to be stated therein or necessary in order
to make the statements therein, in light of the circumstances under which they
were made, not misleading.

      SECTION 3.4 No Undisclosed Liabilities. (a) Except as and to the extent
reflected or reserved against in the consolidated balance sheets included within
the Company Financial Statements, at the date of such statements, the
Corporation had no material liabilities or obligations (whether accrued,
absolute or contingent), of the character which, under generally accepted
accounting principles, should be accrued, shown, disclosed or indicated in a
consolidated balance sheet of the Company or explanatory notes or information
supplementary thereto, including without limitation, any liabilities resulting
from failure to comply with any law or any federal, state, local or foreign tax
liabilities due or to become due whether (i) incurred in respect of or measured
by income for any period ending on or prior to the close of business on such
dates, or (ii) arising out of transactions entered into, or any state of facts
existing, on or prior thereto.

            (b) Except as and to the extent reflected or reserved against the
consolidated balance sheets included within the Steck-Vaughn Financial
Statements, at the date of such statements, Steck-Vaughn had no material
liabilities or obligations (whether accrued, absolute or contingent), of the
character which, under generally accepted accounting principles, should be
accrued, shown, disclosed or indicated in a consolidated balance sheet of
Steck-Vaughn or explanatory 


<PAGE>   17



notes or information supplementary thereto, including without limitation, any
liabilities resulting from failure to comply with any law or any federal, state,
local or foreign tax liabilities due or to become due whether (i) incurred in
respect of or measured by income for any period prior to the close of business
on such dates, or (ii) arising out of transactions entered into, or any state of
facts existing, prior thereto.

      SECTION 3.5 Absence of Certain Changes, Events or Conditions. Since
January 1, 1997, (i) the Company has not incurred any liabilities of any nature,
whether or not accrued, contingent or otherwise, which would have a Material
Adverse Effect on the Company, and (ii) there have been no events, changes or
effects with respect to the Company and the Company Subsidiaries having or which
could have, individually or in the aggregate, a Material Adverse Effect on the
Company, and (iii) the Company and the Company Subsidiaries have conducted their
businesses only in the ordinary course and in a manner consistent with prior
practice. 

      SECTION 3.6 No Default. Neither the Company nor any of the Company
Subsidiaries is in default or violation (and no event has occurred which with
notice or the lapse of time or both would constitute a default or violation) of
any term, condition or provision of (i) its Certificate of Incorporation or
By-Laws (or similar governing documents), (ii) any note, bond, mortgage,
indenture, lease, license, contract, agreement or other instrument or obligation
to which the Company or any of the Company Subsidiaries is now a party or by
which any of them or any of their respective properties or assets may be bound,
or (iii) any order, writ, injunction, decree, law, statute, rule or regulation
applicable to the Company, any of the Company Subsidiaries or any of their
respective properties or assets, except in the case of (ii) or (iii) for
violations, breaches or defaults that would not, individually or in the
aggregate, have a Material Adverse Effect on the Corporation.

      SECTION 3.7 Litigation, Etc. (i) There is no suit, claim, action,
proceeding or investigation pending or, to the knowledge of the Company,
threatened against the Company or any of the Company Subsidiaries or any of
their respective properties or assets before any court, administrative agency or
commission or other governmental authority or instrumentality ("Governmental
Entity") which, individually or in the aggregate, could have a Material Adverse
Effect on the Corporation if decided adversely to the Corporation or could
prevent or delay the consummation of the transactions contemplated by this
Agreement, and (ii) neither the Company nor any of the Company Subsidiaries is
subject to any outstanding order, writ, injunction or decree which, insofar as
can be reasonably foreseen, individually or in the aggregate, in the future
could have a Material Adverse Effect on the Corporation or could prevent or
delay the consummation of the transactions contemplated hereby. Except as noted
on the Company Disclosure Schedule, all claims listed thereon are covered by the
Company's liability insurance (subject in each 

<PAGE>   18

case to applicable deductibles not in excess of $500,000 ($1,000,000 in the case
of the Company's directors' and officers' liability insurance)) and are being
defended by and at the cost of the Company's liability insurance carrier.

      SECTION 3.8 Intellectual Property. (a) The Company or one of the Company
Subsidiaries owns, or is licensed or otherwise possesses legally enforceable
rights to use, all patents, trademarks, trade names, service marks, copyrights,
and any applications for such patents, trademarks, trade names, service marks
and copyrights, processes, formulae, methods, schematics, technology, know-how,
computer software programs or applications and tangible or intangible
proprietary information or material that are necessary to conduct the business
of the Corporation as currently conducted, or proposed to be conducted, the
absence of which would be reasonably likely to have a Material Adverse Effect on
the Corporation (the "Company Intellectual Property Rights"). The Company
Disclosure Schedule lists (i) all patents and patent applications and all
trademarks, registered copyrights, trade names and service marks, which the
Company considers to be material to the business of the Corporation and included
in the Company Intellectual Property Rights, including the jurisdictions in
which each such Company Intellectual Property Right has been issued or
registered or in which any such application for such issuance and registration
has been filed, (ii) all material licenses, sublicenses and other agreements as
to which the Company or any of the Company Subsidiaries is a party and pursuant
to which any person is authorized to use any Company Intellectual Property
Rights, and (iii) all material licenses, sublicenses and other agreements as to
which the Company or any of the Company Subsidiaries is a party and pursuant to
which the Company or any of the Company Subsidiaries is authorized to use any
third party patents, trademarks or copyrights, including software ("Company
Third Party Intellectual Property Rights") which are incorporated in or form a
part of any Corporation product that is material to its business.

            (b) Neither the Company nor any of the Company Subsidiaries is, nor
will any of them be as a result of the execution and delivery of this Agreement
or the performance of its obligations under this Agreement, in breach of any
license, sublicense or other agreement relating to the Company Intellectual
Property Rights or Company Third Party Intellectual Property Rights, the breach
of which could have a Material Adverse Effect on the Corporation.

            (c) To the Company's knowledge, all patents, registered trademarks,
service marks and copyrights held by the Company or any of the Company
Subsidiaries are valid and subsisting. Neither the Company nor any of the
Company Subsidiaries (i) has been sued (or threatened with suit or notified of a
claim) involving a claim of infringement of any patents, trademarks, service
marks, copyrights or violation of any trade secret or other proprietary right of
any third party; and (ii) has any knowledge that the manufacturing, 

<PAGE>   19

marketing, licensing or sale of its products or services infringes any patent,
trademark, service mark, copyright, trade secret or other proprietary right of
any third party, which infringement could have a Material Adverse Effect on the
Corporation.

      SECTION 3.9 Environmental Laws and Regulations. (i) The Company and each
of the Company Subsidiaries is in compliance with all applicable Federal, state,
foreign and local laws and regulations relating to pollution or protection of
human health or the environment (including, without limitation, ambient air,
surface water, ground water, land surface or subsurface strata) (collectively,
"Environmental Laws"), except for non-compliance that individually or in the
aggregate would not have a Material Adverse Effect on the Corporation, which
compliance includes, but is not limited to, the possession by the Company and
the Company Subsidiaries of all material permits and other governmental
authorizations required under applicable Environmental Laws, and compliance with
the terms and conditions thereof; (ii) neither the Company nor any of the
Company Subsidiaries has received written notice of, or is the subject of, any
action, cause of action, claim, investigation, demand or notice by any person or
entity alleging liability under or non-compliance with any Environmental Law (an
"Environmental Claim") that individually or in the aggregate would have a
Material Adverse Effect on the Corporation; and (iii) there are no circumstances
that are reasonably likely to prevent or interfere with such compliance in the
future or give rise to an Environmental Claim in the future.

      SECTION 3.10 Compliance. (i) The Company and each of the Company
Subsidiaries hold all licenses, permits, variances, exemptions, orders,
approvals and other authorizations of all Governmental Entities necessary for
the lawful conduct of their respective businesses (the "Company Permits"),
except for failures to hold such permits, licenses, variances, exemptions,
orders, approvals and other authorizations which would not, individually or in
the aggregate, have a Material Adverse Effect on the Corporation; (ii) the
Company and the Company Subsidiaries are in compliance with the terms of each of
the Company Permits, except where the failure so to comply would not have a
Material Adverse Effect on the Corporation, (iii) the businesses of the Company
and the Company Subsidiaries are not being conducted in violation of any law,
ordinance or regulation of any Governmental Entity, except for violations or
possible violations which individually or in the aggregate do not, and, insofar
as reasonably can be foreseen, in the future will not, have a Material Adverse
Effect on the Corporation, and (iv) no investigation or review by any
Governmental Entity with respect to the Company or any of the Company
Subsidiaries is pending or, to the best knowledge of the Company, threatened,
nor, to the best knowledge of the Company, has any Governmental Entity indicated
an intention to conduct the same, other than, in each case, those which the

<PAGE>   20

Company reasonably believes will not have a Material Adverse Effect on the
Corporation.

      SECTION 3.11 Labor Matters. Neither the Company nor any of the Company
Subsidiaries is a party to any collective bargaining agreement relating to its
employees. No labor dispute, strike, work stoppage, employee action,
organizational activity or labor relations problem of any kind which has
affected or may affect the Company, any of the Company Subsidiaries or any of
their respective businesses or operations has occurred during the past five
years or currently is pending or, to the knowledge of the Company, threatened.

      SECTION 3.12 Offer Documents; Proxy Statement. Neither the Schedule 14D-9,
nor any of the information supplied by the Company in writing for inclusion in
the Offer Documents, shall, at the respective times such Schedule 14D-9, the
Offer Documents or any amendments or supplements thereto are filed with the SEC
or are first published, sent or given to stockholders, as the case may be,
contain any untrue statement of a material fact or omit to state any material
fact required to be stated therein or necessary in order to make the statements
therein, in the light of the circumstances under which they were made, not
misleading. Neither the proxy statement to be sent to the stockholders of the
Company in connection with the Stockholders Meeting (as defined in Section 6.1)
or the information statement to be sent to such stockholders, as appropriate
(such proxy statement or information statement, as amended or supplemented, is
herein referred to as the "Proxy Statement"), shall, at the date the Proxy
Statement (or any amendment thereof or supplement thereto) is first mailed to
stockholders and at the time of the Stockholders Meeting and at the Effective
Time, be false or misleading with respect to any material fact, or omit to state
any material fact required to be stated therein or necessary in order to make
the statements made therein, in the light of the circumstances under which they
are made, not misleading or necessary to correct any statement in any earlier
communication with respect to the solicitation of proxies for the Stockholders
Meeting which has become false or misleading. Notwithstanding the foregoing, the
Company makes no representation or warranty with respect to any information
supplied by Parent or Purchaser or any of their respective representatives in
writing which is contained in the Schedule 14D-9 or the Proxy Statement. The
Schedule 14D-9 and the Proxy Statement will comply in all material respects as
to form with the requirements of the Exchange Act and the rules and regulations
promulgated thereunder.

      SECTION 3.13 No Conflict With Other Documents. Neither the execution,
delivery or performance of this Agreement by the Company nor the consummation by
the Company of the transactions contemplated hereby will (i) conflict with or
result in any breach of any provision of the respective Certificate of
Incorporation or By-Laws (or similar governing documents) of the Company or of
any of the Company

<PAGE>   21

Subsidiaries; (ii) trigger the rights of the Company or any of the Company
Subsidiaries or any holder of the Corporation's Securities under any shareholder
rights plan or similar arrangement; (iii) restrict any business combination
between the Purchaser or any of its subsidiaries and the Company or any of its
subsidiaries; (iv) result in a violation or breach of, or constitute (with or
without due notice or lapse of time or both) a default (or give rise to any
right of termination, amendment, cancellation or acceleration) under, or result
in the material modification of, any of the terms, conditions or provisions of
any note, bond, mortgage, indenture, lease, license, contract, agreement or
other instrument or obligation to which the Company or any of the Company
Subsidiaries is a party or by which any of them or any of their respective
properties or assets may be bound; or (v) violate any order, writ, injunction,
decree, law, statute, rule or regulation applicable to the Company or any of the
Company Subsidiaries or any of their respective properties or assets, except in
the case of (iv) or (v) for violations, breaches or defaults which could not,
individually or in the aggregate, have a Material Adverse Effect on the
Corporation.

      SECTION 3.14 Authority; Consents. (a) The Company has all necessary
corporate power and authority to enter into this Agreement, to perform its
obligations hereunder and to consummate the transactions contemplated hereby.
The execution, delivery and performance of this Agreement and the consummation
of the transactions contemplated hereby have been duly and validly authorized by
the Company's Board of Directors and no other corporate proceedings on the part
of the Company or any of the Company Subsidiaries are necessary to authorize
this Agreement or to consummate the transactions contemplated hereby (other
than, with respect to the Merger (unless effected pursuant to Section 253 of the
DGCL) the approval and adoption of this Agreement by the holders of a majority
of the then outstanding shares of Company Common Stock). This Agreement has been
duly and validly executed and delivered by the Company and constitutes a legal,
valid and binding obligation of the Company, enforceable against the Company in
accordance with its terms.

            (b) Upon Company Stockholder Approval (as defined below) (to the
extent the Merger is not effected pursuant to Section 253 of the DGCL), the
satisfaction of all other conditions contained herein and the filing of the
Certificate of Merger with the Secretary of State of the State of Delaware, this
Agreement will result in the valid, legally binding and enforceable statutory
merger of Purchaser with and into the Company.

            (c) Under the Company's Certificate of Incorporation, By-Laws, the
regulations of the New York Stock Exchange, Inc. and other laws and regulations
applicable to the Company and the Company Subsidiaries only the affirmative vote
of the holders of at least a majority of the outstanding shares of Company
Common Stock voting together as a single class ("Company Stockholder Approval")
is required and 

<PAGE>   22

sufficient for the approval by the Company's stockholders of the transactions
contemplated by this Agreement (to the extent the Merger is not effected
pursuant to Section 253 of the DGCL).

            (d) No consent, approval, order or authorization of, or
registration, declaration or filing with (i) any Governmental Entity or (ii) any
individual, corporation or other entity (including any holder of the
Corporation's Securities) is required by or with respect to the Company in
connection with the execution and delivery of this Agreement or the consummation
of the transactions contemplated hereby, except for (A) the Company Stockholder
Approval, (B) the filing of the Certificate of Merger with the Delaware
Secretary of State, (C) if applicable, the filing of the Proxy Statement with
the Commission in accordance with the Exchange Act, (D) satisfaction of all
information and waiting period requirements of the Hart-Scott-Rodino Antitrust
Improvements Act of 1976, as amended ("HSR") and any regulations promulgated
thereunder, (E) such consents, approvals, orders, authorizations, registrations,
declarations and filings as may be required under applicable state "blue sky",
or securities laws and the securities laws of any foreign country, (F) those set
forth in the Company Disclosure Schedule, and such other consents,
authorizations, filings, approvals and registrations which, if not obtained or
made, would not be reasonably likely to have a Material Adverse Effect on the
Corporation.

      SECTION 3.15 Contracts. (a) Neither the Company nor any of the Company
Subsidiaries is a party to or subject to: (i) any employment contract or
independent contractor arrangements with any officer, consultant, director or
employee or former employee or any other person; (ii) any plan or contract or
arrangement providing for bonuses, pensions, options, deferred compensation,
retirement payments, profit sharing, or the like; (iii) any contract or
agreement with any labor union; (iv) any contract, agreement, instrument or
other document that would be required to be filed as an exhibit to a
Registration Statement on Form S-1 were the Company or any of the Company
Subsidiaries to file such a Registration Statement on the date of this
Agreement, (v) any contract, agreement, instrument or other document not entered
into by the Company or any of the Company Subsidiaries in the ordinary course of
business, under which the Company or any of the Company Subsidiaries is required
to make annual payments to any third party in excess of $500,000 or (vi) any
agreement, voting trust, understanding or arrangement, written or oral,
concerning the election of directors. Neither the Company nor any of the Company
Subsidiaries has breached, or received in writing any claim or threat that it
has breached, any of the terms or conditions of any agreement, contract or
commitment referred to in the prior sentence ("Company Material Contracts") in
such a manner as would permit any other party to cancel or terminate the same or
would permit any other party to seek material damages from the Company or any of
the Company Subsidiaries under any Company Material Contract. Each Company
Material Contract that has not expired or been 

<PAGE>   23

terminated is in full force and effect and is not subject to any material
default thereunder of which the Company is aware by any party obligated to the
Company or any of the Company Subsidiaries pursuant to the Company Material
Contract.

            (b) The consummation of the Merger and the transactions contemplated
by this Agreement will not cause a default under, or provide any right of
termination or modification with respect to, any Company Material Contract which
default, termination or modification would have a Material Adverse Effect on the
Corporation.

      SECTION 3.16 Customers and Suppliers. Neither the Company nor any of the
Company Subsidiaries has received notice that, nor do any of them have knowledge
or any reason to believe that, any customer that represented 5% or more of the
Company's consolidated revenues in any of the past three years will not continue
to do business with the Company or the Company Subsidiaries at volumes
consistent with past practices subsequent to the Merger. Neither the Company nor
any of the Company Subsidiaries has any outstanding purchase contracts or
commitments or unaccepted purchase orders which are in excess of the normal,
ordinary and usual requirements of its business. No entity which is now
supplying, or during 1996 supplied, to the Company or the Company Subsidiaries
products and services has reduced or otherwise discontinued, or threatened to
reduce or discontinue, supplying such items to the Company or the Company
Subsidiaries on reasonable terms, except for such reductions or discontinuations
which would not have a Material Adverse Effect on the Corporation.

      SECTION 3.17 Tax Matters. (a) For the purposes of this Agreement, a "Tax"
or, collectively, "Taxes," means any and all federal, state, local and foreign
taxes, assessments and other governmental charges, duties, impositions and
liabilities, including taxes based upon or measured by gross receipts, income,
profits, sales, use and occupation, and value added, ad valorem, transfer,
franchise, withholding, payroll, recapture, employment, excise and property
taxes, together with all interest, penalties and additions imposed with respect
to such amounts and any obligations under any agreements or arrangements with
any other person or entity with respect to such amounts and including any
liability for taxes of a predecessor entity.

            (b) The Company and the Company Subsidiaries have accurately
prepared and timely filed all material federal, state, local and foreign
returns, estimates, information statements and reports required to be filed at
or before the Effective Time ("Returns") relating to any and all Taxes
concerning or attributable to the Company, any of the Company Subsidiaries or
any of their operations or assets, and such Returns are true and correct in all
material respects and have been completed in all material respects in accordance
with applicable law; and copies of all Returns of the Company and the Company
Subsidiaries for the past three years have been or will be provided by the
Company to Purchaser.
<PAGE>   24
              (c) The Company and each of the Company Subsidiaries as of the
Effective Time: (i) will have paid all Taxes any of them is required to pay
prior to the Effective Time, (ii) will have withheld with respect to their
employees all federal and state income taxes, FICA, FUTA and other Taxes
required to be withheld, and (iii) will have collected all sales and use taxes
on account of sales by the Company or any Company Subsidiary or use of any of
their products, except in each instance where any failure to make such payment
or withholding would not be reasonably likely to have a Material Adverse Effect
on the Corporation.

              (d) There is no Tax deficiency outstanding, proposed or assessed
against the Company or any of the Company Subsidiaries that is not reflected as
a liability on the Company Financial Statements nor has the Company or any of
the Company Subsidiaries executed any waiver of any statute of limitations on or
extending the period for the assessment or collection of any Tax.

         SECTION 3.18 Title to Properties; Absence of Liens and Encumbrances,
Etc. The Company Disclosure Schedule sets forth a true and complete list of all
real property owned by the Company or the Company Subsidiaries and real property
leased by the Company or the Company Subsidiaries pursuant to leases providing
for the occupancy, in each case, of not less than 18,000 square feet ("Material
Leases") and the name of the lessor, the date of the Material Lease and each
amendment to the Material Lease and the aggregate annual rental or other fee
payable under any such Material Lease. The Company and the Company Subsidiaries
have good and marketable title to all their owned properties and assets, real
and personal, in each case free and clear of all liens, encumbrances, and
imperfections of title, except those liens, encumbrances or imperfections of
title which individually or in the aggregate would not have a Material Adverse
Effect on the Corporation. Neither the Company nor any of the Company
Subsidiaries has received any notice of violation of any applicable zoning laws,
orders, regulations, or requirements relating to its operations or properties it
owns or leases which has not been complied with, nor any proposed changes in any
such laws, orders or regulations which might have a Material Adverse Effect on
the Corporation. The Company has no knowledge of any threatened or impending
condemnation by any Government Entity of any properties owned or leased by the
Company or the Company Subsidiaries. All Material Leases are in good standing,
valid and effective in accordance with their respective terms, and neither the
Company nor any Company Subsidiary is in default under any of such leases and to
the best knowledge of the Company, no landlord or third party is in default
under any of such leases, except where the lack of such good standing, validity
and effectiveness or the existence of such default would not have a Material
Adverse Effect on the Corporation.

         SECTION 3.19 Pension and Employee Benefit Plans. (a) The Company has
set forth on the Company Disclosure
<PAGE>   25
Schedule all employee benefit plans (including "employee benefit plans" as
defined in Section 3(3) of the Employee Retirement Income Security Act of 1974,
as amended ("ERISA")), whether or not subject to ERISA, and all bonus, stock
option, stock purchase, incentive, deferred compensation, supplemental
retirement, severance and other similar employee benefit plans, and all
unexpired severance agreements, written or otherwise, for the benefit of, or
relating to, any current or former employee of the Company or any of the Company
Subsidiaries or any trade or business (whether or not incorporated) which is a
member or which is under common control with the Company within the meaning of
Section 414 of the Code (an "ERISA Affiliate") (together, the "Company Employee
Plans").

              (b) With respect to each Company Employee Plan, the Company has
made or will make available to Parent, a true and correct copy of (i) the most
recent annual report (Form 5500) filed with the Internal Revenue Service
("IRS"), (ii) such Company Employee Plan, (iii) each trust agreement and group
annuity contract, if any, relating to such Company Employee Plan and (iv) the
most recent actuarial report or valuation relating to a Company Employee Plan
subject to Title IV of ERISA.

              (c) With respect to the Company Employee Plans, individually and
in the aggregate, no event has occurred, and to the knowledge of the Company
there exists no condition or set of circumstances, in connection with which the
Company or any subsidiary of the Company could be subject to any liability under
ERISA, the Code or any other applicable law that is reasonably likely to have a
Material Adverse Effect on the Corporation.

              (d) With respect to the Company Employee Plans, individually and
in the aggregate, there are no funded benefit obligations for which
contributions have not been made or properly accrued and there are no unfunded
benefit obligations which have not been accounted for by reserves, or otherwise
properly footnoted in accordance with generally accepted accounting principles,
on the Company Financial Statements, which obligations are reasonably expected
to have a Material Adverse Effect on the Corporation.

              (e) Except as provided for in this Agreement, neither the Company
nor any of the Company Subsidiaries is a party to any oral or written (i) union
or collective bargaining agreement, (ii) agreement with any officer or other key
employee of the Company or any of the Company Subsidiaries, the benefits of
which are contingent, or the terms of which are materially altered, upon the
occurrence of a transaction involving the Company of the nature contemplated by
this Agreement, (iii) agreement with any officer providing any term of
employment or compensation guarantee extending for a period longer than one year
from the date hereof, providing for the payment of compensation in excess of
$100,000 per annum or providing for severance benefits or other benefits
<PAGE>   26
upon or following termination of employment, or (iv) agreement or plan,
including any stock option plan, stock appreciation right plan, restricted stock
plan or stock purchase plan, any of the benefits of which will be increased, or
the vesting of the benefits of which will be accelerated, by the occurrence of
any of the transactions contemplated by this Agreement or the value of any of
the benefits of which will be calculated on the basis of any of the transactions
contemplated by this Agreement.

              (f) Each of the Company Employee Plans which is intended to
qualify under Section 401 of the Code is designated on the Company Disclosure
Schedule as being a qualified plan (the Plans so designated being hereinafter
referred to as the "Company Qualified Plans"). Each Company Qualified Plan is
qualified under Section 401(a) of the Code and is the subject of a currently
effective determination letter from the Internal Revenue Service confirming such
qualification. True and correct copies of all determination letters from the
Internal Revenue Service with respect to the Company Qualified Plans which were
issued after the effective date of ERISA have been or will be delivered to the
Purchaser. With respect to each Company Qualified Plan, the Company has not
obtained a waiver of any minimum funding requirements imposed by ERISA or the
Code in respect of such Company Qualified Plan, and has not incurred any
liability to the Pension Benefit Guaranty Corporation in connection with any
such Company Qualified Plan. As of the date hereof, the value of the assets in
each of the Company Qualified Plans which is a defined benefit plan exceeds the
present value of accrued benefits of all participants in such Plan when such
benefits are valued on a termination basis using Pension Benefit Guaranty
Corporation interest and other assumptions. No "reportable event," as such term
is defined in ERISA and in regulations issued thereunder, has occurred with
respect to any of the Company Qualified Plans since the effective date of ERISA.

              (g) The Company has identified to the Purchaser which, if any, of
the Company Employee Plans are multi-employer pension plans (as defined by
ERISA) and the number of employees of the Corporation who participated in
multi-employer plans during the year ended December 31, 1996. Since April 29,
1980, neither the Company nor any of the Company Subsidiaries has, with respect
to any multi-employer plan, suffered or otherwise caused a "complete withdrawal"
or "partial withdrawal" (as such terms are defined by ERISA) nor has the Company
engaged in any transaction that would be deemed to avoid or evade liabilities
related to such withdrawal.

         SECTION 3.20 Foreign Corrupt Practices Act. Neither the Company nor any
of the Company Subsidiaries, nor any director, officer, agent, employee,
consultant, or any other person associated with or acting on behalf of any of
them, has engaged or is engaged in any course of conduct, or is a party to any
agreement or involved in any transaction, which has or
<PAGE>   27
would give rise to a violation of the Foreign Corrupt Practices Act of 1977 or
any other United States statute or regulation governing the conduct of business
abroad by United States corporations and their subsidiaries.

         SECTION 3.21 Insurance. The Company Disclosure Schedule lists the
insurance currently carried by the Company and the Company Subsidiaries in
respect of their respective properties and operations, including, without
limitation, information as to limits of coverage, deductibles, annual premium
requirements and expiration dates with respect to product liability, general
liability, umbrella liability, contractual liability, employers' liability,
automobile liability, workers' compensation, property and casualty, business
interruption and other insurance carried by the Company and the Company
Subsidiaries (collectively, the "Company Insurance"). All Company Insurance
continues to be in full force and effect, and the Company and the Company
Subsidiaries are in compliance with all requirements and provisions thereof.
None of the Company Insurance is subject to any retroactive rate or audit
adjustments or co-insurance arrangements. The Company has no reason to believe
that any such Company Insurance will not be renewed upon the expiration thereof
at premiums substantially equivalent to those currently being paid by the
Company and the Company Subsidiaries. The Company Insurance heretofore and
currently carried by the Company and the Company Subsidiaries were and are
consistent with types and amounts of coverage customarily carried by similarly
situated companies.

         SECTION 3.22 No Pending Transactions. (a) Except for the transactions
contemplated by this Agreement and the acquisition agreements or negotiations
described on the Company Disclosure Statement or in the Company's SEC Reports,
neither the Company nor any of the Company Subsidiaries is a party to or bound
by or the subject of any agreement, undertaking, commitment or discussion with
another party with respect to a proposal or offer for a merger, consolidation,
business combination, sale of substantial assets, sale of shares of capital
stock (including without limitation by way of a tender offer or similar
transactions involving the Company, other than the transactions contemplated by
this Agreement) (any of the foregoing transactions being referred to in this
Agreement as an "Acquisition Transaction").

              (b) The Agreement and Plan of Reorganization dated as of March 12,
1997 (the "Sylvan Merger Agreement") between the Company and Sylvan Learning
Systems, Inc., a Maryland corporation ("Sylvan"), has been terminated without
any payments by or penalties or any liability to the Company (other than any
applicable payments pursuant to Section 6.3 of the Sylvan Merger Agreement).

              (c) Neither of the Company nor any of the Company Subsidiaries has
entered into or effectuated any new or amended agreements with Sylvan or any
other person or entity or otherwise has taken any action, including, without
<PAGE>   28
limitation, the declaration or payment of any dividend or distribution on the
Shares, which would have the effect of impairing the ability of Purchaser to
consummate the Offer or the Merger or otherwise diminishes the expected economic
value to Purchaser of the acquisition of the Company.

         SECTION 3.23 Disclosure. No representation or warranty made by the
Company in this Agreement and no statement contained in a certificate, schedule,
list or other instrument or document specified in or delivered pursuant to this
Agreement, whether heretofore furnished to the Purchaser or hereafter required
to be furnished to the Purchaser, contains or will contain any untrue statement
of a material fact or omits or will omit to state any material fact necessary to
make the statements contained herein or therein not misleading.

         SECTION 3.24 Transactions with Affiliates. Neither the Company nor any
of the Company Subsidiaries is a party to any transaction with any (i) current
or former officer or director of the Company or any of the Company Subsidiaries,
or (ii) any parent, spouse, child, brother, sister or other family relation of
any such officer or director or (iii) any corporation, partnership or other
entity of which any such officer or director or any such family relation is an
officer, director, partner or greater than 10% stockholder (based on percentage
ownership of voting stock) or (iv) any "affiliate" or "associate" of any such
persons or entities (as such terms are defined in the rules and regulations
promulgated under the Securities Act of 1933, as amended), including, without
limitation, any transaction involving a contract, agreement or other arrangement
providing for the employment of, furnishing of materials, products or services
by, rental of real or personal property from, or otherwise requiring payments
to, any such person or entity.

         SECTION 3.25 Opinion of Financial Advisor. BZW has delivered to the
Company its written opinion dated the date of this Agreement that the
consideration to be received by the holders of the Shares, other than Parent and
Purchaser, pursuant to each of the Offer and the Merger, is fair to such holders
from a financial point of view.

         SECTION 3.26 Brokers. No broker, finder or investment banker (other
than BZW, the engagement letter with which is attached as Section 3.26 of the
Disclosure Schedule) is entitled to any brokerage, finder's or other fee or
commission in connection with the transactions contemplated by this Agreement
based upon arrangements made by and on behalf of the Company.

         SECTION 3.27 Section 203 of the DGCL Not Applicable. The Boards of
Directors of the Company and the Company Subsidiaries have taken all action so
that the restrictions contained in Section 203 of the DGCL applicable to a
"business combination" (as defined in Section 203) will not apply to the
execution, delivery or performance of this Agreement or the
<PAGE>   29
consummation of the Offer or the Merger, the other transactions contemplated by
this Agreement or any other transaction between the Parent or any of its
subsidiaries and the Company or any of its subsidiaries.

         SECTION 3.28 NETG Options. All outstanding stock options granted by
NETG Holding, Inc., a Delaware corporation and wholly-owned subsidiary of the
Company ("NETG"), for shares of NETG common stock will terminate upon
consummation of the Offer (assuming the Minimum Condition is satisfied).

                                   ARTICLE IV

                        REPRESENTATIONS AND WARRANTIES OF
                              PARENT AND PURCHASER

         Parent and Purchaser hereby, jointly and severally, represent and
warrant to the Company that:

         SECTION 4.1 Corporate Organization. Each of Parent and Purchaser is a
corporation duly organized, validly existing and in good standing under the laws
of the State of Delaware and has all requisite corporate power and authority to
own, lease and operate its properties and to carry on its businesses as now
being conducted, except where the failure to be so organized, existing and in
good standing or to have such power and authority would not, and reasonably
could not be expected to, individually or in the aggregate, prevent the
consummation of the Offer or the Merger.

         SECTION 4.2 Authority Relative to This Agreement. Each of Parent and
Purchaser has all necessary corporate power and authority to enter into this
Agreement, to perform its obligations hereunder and to consummate the
transactions contemplated hereby. The execution, delivery and performance of
this Agreement by each of Parent and Purchaser and the consummation by each of
Parent and Purchaser of the transactions contemplated hereby have been duly
authorized by the Board of Directors of each of Parent and Purchaser and by
Parent as the sole stockholder of Purchaser and no other corporate proceedings
on the part of Parent or Purchaser are necessary to authorize this Agreement or
to consummate the transactions contemplated hereby. This Agreement has been duly
and validly executed and delivered by Parent and Purchaser and, assuming due
authorization, execution and delivery by the Company, constitutes a legal, valid
and binding obligation of each such corporation enforceable against such
corporation in accordance with its terms.

         SECTION 4.3 No Conflict; Required Filings and Consents. (a) The
execution, delivery and performance of this Agreement by Parent and Purchaser do
not and will not: (i) conflict with or violate the respective certificates of
incorporation or by-laws of Parent or Purchaser; (ii) assuming that all
consents, approvals and authorizations contemplated by clauses (i), (ii) and
(iii) of subsection (b) below have been obtained and all filings described in
such clauses have been made, 
<PAGE>   30
conflict with or violate any law, rule, regulation, order, judgment or decree
applicable to Parent or Purchaser or by which either of them or their respective
properties are bound or affected; or (iii) result in any breach or violation of
or constitute a default (or an event which with notice or lapse of time or both
could become a default) or result in the loss of a material benefit under, or
give rise to any right of termination, amendment, acceleration or cancellation
of, or result in the creation of a Lien on any of the property or assets of
Parent or Purchaser pursuant to, any note, bond, mortgage, indenture, contract,
agreement, lease, license, permit, franchise or other instrument or obligation
to which Parent or Purchaser is a party or by which Parent or Purchaser or any
of their respective properties are bound or affected, except, in the case of
clauses (ii) and (iii), for any such conflicts, violations, breaches, defaults
or other occurrences which could not, individually or in the aggregate,
reasonably be expected to prevent the consummation of the Offer or the Merger.

              (b) The execution, delivery and performance of this Agreement by
Parent and Purchaser do not and will not require any consent, approval,
authorization or permit of, action by, filing with or notification to, any
governmental or regulatory authority, domestic or foreign, except (i) for
applicable requirements, if any, of the Exchange Act and the rules and
regulations promulgated thereunder, the HSR Act, certain foreign filings and
approvals, state securities, takeover and Blue Sky laws, (ii) the filing of the
Certificate of Merger with the Delaware Secretary of State, and (iii) such
consents, approvals, authorizations, permits, actions, filings or notifications
the failure of which to make or obtain would not, individually or in the
aggregate, reasonably be expected to prevent the consummation of the Offer or
the Merger.

         SECTION 4.4 Offer Documents; Proxy Statement. The Offer Documents, as
amended pursuant to Section 1.1, will not, at the time such Offer Documents as
so amended are filed with the SEC or are first published, sent or given to
stockholders, as the case may be, contain any untrue statement of a material
fact or omit to state any material fact required to be stated or incorporated by
reference therein or necessary in order to make the statements therein, in light
of the circumstances under which they were made, not misleading. The information
supplied by Parent or Purchaser in writing for inclusion in the Proxy Statement
shall not, on the date the Proxy Statement is first mailed to stockholders, at
the time of the Stockholders Meeting (as defined in Section 6.1) or at the
Effective Time, contain any statement which, at such time and in light of the
circumstances under which it shall be made, is false or misleading with respect
to any material fact, or shall omit to state a material fact required to be
stated therein or necessary in order to make the statements therein not false or
misleading or necessary to correct any statement in any earlier communication
with respect to the solicitation of proxies for the Stockholders Meeting which
has become false or misleading. Notwithstanding the foregoing, Parent and
<PAGE>   31
Purchaser make no representation or warranty with respect to any information
supplied by the Company or any of its representatives which is contained in or
incorporated by reference in the Proxy Statement or the Offer Documents. The
Offer Documents, as amended and supplemented, will comply in all material
respects as to form with the requirements of the Exchange Act and the rules and
regulations promulgated thereunder.

         SECTION 4.5 Brokers. No broker, finder or investment banker (other than
Goldman, Sachs & Co.) is entitled to any brokerage, finder's or other fee or
commission in connection with the transactions contemplated by this Agreement
based upon arrangements made by and on behalf of Parent or Purchaser.

         SECTION 4.6 Sufficient Funds. The Purchaser has or will have sufficient
funds available to pay for all Shares tendered in the Offer (as amended pursuant
to Section 1(a) hereof) or otherwise acquired in the Merger.

                                    ARTICLE V

                     CONDUCT OF BUSINESS PENDING THE MERGER

         SECTION 5.1 Conduct of Business of the Company Pending the Merger.
Except as contemplated by this Agreement, during the period from the date hereof
to the earlier of termination of this Agreement or the Effective Time, the
Company agrees to conduct its business and that of its subsidiaries only in the
ordinary course of business consistent with past practice and to use all
reasonable efforts consistent with past practices and policies to preserve
intact its present business organization (including the services of its existing
employees) and preserve its relationships with customers, suppliers and others
having business dealings with it, to the end that its goodwill and ongoing
business shall be unimpaired at the Effective Date. Without limiting the
generality of the foregoing, and except as otherwise expressly provided in this
Agreement, neither the Company nor any of its subsidiaries will, without the
prior written consent of the Purchaser:

                  (a) amend or propose to amend its Certificate of Incorporation
         or By-Laws;

                  (b) (i) authorize for issuance, issue, sell, deliver or agree
         or commit to issue, sell or deliver (whether through the issuance or
         granting of options, warrants, commitments, subscriptions, rights to
         purchase or otherwise) any stock of any class or any other securities
         or equity equivalents (including, without limitation, any stock options
         or stock appreciation rights), except (x) shares of Company Common
         Stock issuable upon conversion of the Outstanding Debentures (at a
         conversion rate of one share of Company Common Stock for every $25.00
         of Outstanding Debentures) and (y) shares of Company 
<PAGE>   32
         Common Stock issuable upon exercise of the Company Outstanding Options
         or (ii) amend any of the terms of any such securities or agreements
         outstanding as of the date hereof, except as specifically contemplated
         by this Agreement;

                  (c) split, combine or reclassify any shares of its capital
         stock, declare, set aside or pay any dividend or other distribution
         (whether in cash, stock or property or any combination thereof) in
         respect of its capital stock, or redeem or otherwise acquire any of its
         securities or any securities of the Company's subsidiaries, except that
         the Company may repurchase Outstanding Debentures to the extent
         necessary to satisfy its 1997 sinking fund obligation under the
         Indenture by which the Debentures were issued;

                  (d) (i) incur or assume any long-term or short-term debt or
         issue any debt securities except for borrowings under existing lines of
         credit in the ordinary course of business; (ii) assume, guarantee,
         endorse or otherwise become liable or responsible (whether directly,
         contingently or otherwise) for the obligations of any other person or
         entity except in the ordinary course of business consistent with past
         practice, and except for obligations of wholly-owned subsidiaries of
         it; (iii) make any loans, advances or capital contributions to, or
         investments in, any other person or entity (other than to wholly-owned
         subsidiaries of it or advances to employees in the ordinary course of
         business consistent with past practice and in amounts not material to
         the maker of such loan or advance); (iv) pledge or otherwise encumber
         shares of its capital stock or any of its subsidiaries; or (v) mortgage
         or pledge any of its material assets, tangible or intangible, or create
         or suffer to exist any material Lien thereupon;

                  (e) except as may be required by law or as contemplated by
         this Agreement or described on the Company Disclosure Schedule, enter
         into, adopt or amend or terminate any bonus, profit sharing,
         compensation, severance, termination, stock option, stock appreciation
         right, restricted stock, performance unit, stock equivalent, stock
         purchase agreement, pension, retirement, deferred compensation,
         employment, severance or other employee benefit agreement, trust, plan,
         fund or other arrangement for the benefit or welfare of any director,
         officer, employee or former employee or independent contractor in any
         manner, or (except for normal increases in the ordinary course of
         business consistent with past practice that, in the aggregate, do not
         result in a material increase in benefits or compensation expense to it
         and as 
<PAGE>   33
         required under existing agreements) increase in any manner the
         compensation or fringe benefits of any director, officer or employee or
         pay any benefit not required by any plan and arrangement as in effect
         as of the date hereof (including, without limitation, the granting of
         stock appreciation rights or performance units);

                  (f) acquire, sell, lease, license to others or dispose of any
         assets outside the ordinary course of business which individually or in
         the aggregate are material to the Corporation, or enter into any
         commitment or transaction outside the ordinary course of business
         consistent with past practice which would be material to the
         Corporation;

                  (g) except as may be required as a result of a change in law 
         or in generally accepted accounting principles, change any of the
         accounting principles or practices used by it;

                  (h) revalue in any material respect any of its assets,
         including, without limitation, writing down the value of inventory or
         writing-off notes or accounts receivable other than in the ordinary
         course of business;

                  (i) (i) acquire or agree to acquire (by merger, consolidation,
         acquisition of stock or assets or otherwise) any corporation,
         partnership or other business organization or division thereof or any
         equity interest therein, other than as specifically described on the
         Company Disclosure Schedule; (ii) enter into any contract or agreement
         other than in the ordinary course of business consistent with past
         practice which would be material to it; (iii) authorize any new capital
         expenditure or expenditures which, individually, is in excess of
         $250,000 or, in the aggregate, are in excess of $2,500,000; or (iv)
         enter into or amend any contract, agreement, commitment or arrangement
         providing for the taking of any action that would be prohibited
         hereunder;

                  (j) make any tax election or settle or compromise any income
         tax liability material to the Company;

                  (k) pay, discharge or satisfy any claims, liabilities or
         obligations (absolute, accrued, asserted or unasserted, contingent or
         otherwise), other than the payment, discharge or satisfaction in the
         ordinary course of business of liabilities reflected or reserved
         against in, or contemplated by, the consolidated financial statements
         (or the notes thereto) of the Company and the Company Subsidiaries or
         incurred in the ordinary course of business consistent with past
         practice or customary 
<PAGE>   34
         fees and expenses relating to the transactions contemplated by this
         Agreement;

                  (l) settle or compromise any pending or threatened suit, 
         action or claim relating to the transactions contemplated hereby; or

                  (m) take, or agree in writing or otherwise to take, any of the
         actions described in this Section 5.1(a) through 5.1(l) or any action
         which would make any of the representations or warranties of the
         Company contained in this Agreement untrue or incorrect as of the date
         when made.


                                   ARTICLE VI

                              ADDITIONAL AGREEMENTS

         SECTION 6.1 Stockholders Meeting. (a) The Company, acting through its
Board of Directors, shall, unless the Merger is effected under Section 253 of
the DGCL, (i) duly call, give notice of, convene and hold a meeting of its
stockholders as soon as practicable following consummation of the Offer for the
purpose of considering and taking action on this Agreement and the transactions
contemplated hereby (the "Stockholders Meeting") and (ii) unless the Company's
Board of Directors has received the written opinion of Irell & Manella LLP to
the effect that the taking of any of the following actions would constitute a
violation of the Board of Directors' fiduciary responsibilities to the holders
of the Company Common Stock under applicable law, (A) include in the Proxy
Statement the recommendation of the Board of Directors that the stockholders of
the Company vote in favor of the approval and adoption of this Agreement and the
transactions contemplated hereby and the written opinion of the Financial
Adviser that the consideration to be received by the stockholders of the Company
pursuant to the Offer and the Merger is fair to such stockholders and (B) use
its reasonable best efforts to obtain the necessary approval and adoption of
this Agreement and the transactions contemplated hereby by its stockholders. At
the Stockholders Meeting, Parent and Purchaser shall cause all Shares then owned
by them and their subsidiaries to be voted in favor of approval of this
Agreement and the transactions contemplated hereby.

         (b)  Notwithstanding the foregoing, in the event that Purchaser shall
acquire at least 90% of the outstanding Shares, Purchaser may cause the Merger
to become effective as soon as reasonably practicable after such acquisition,
without a meeting of the Company's stockholders, in accordance with Section 253
of the DGCL.

         SECTION 6.2 Proxy Statement. Unless the Merger is effected under
Section 253 of the DGCL, as soon as practicable following Parent's request, the
Company shall file with the SEC under the Exchange Act and the rules and
regulations 
<PAGE>   35
promulgated thereunder, and shall use its reasonable best efforts to have
cleared by the SEC, the Proxy Statement with respect to the Stockholders
Meeting. Parent, Purchaser and the Company will cooperate with each other in the
preparation of the Proxy Statement; without limiting the generality of the
foregoing, each of Parent and Purchaser will furnish to the Company the
information relating to it required by the Exchange Act and the rules and
regulations promulgated thereunder to be set forth in the Proxy Statement. The
Company agrees to use its reasonable best efforts, after consultation with the
other parties hereto, to respond promptly to any comments made by the SEC with
respect to the Proxy Statement and any preliminary version thereof filed by it
and cause such Proxy Statement to be mailed to the Company's stockholders at the
earliest practicable time.

         SECTION 6.3 Company Board Representation; Section 14(f). (a) Promptly
upon the purchase by Purchaser of Shares pursuant to the Offer, and from time to
time thereafter, Purchaser shall be entitled to designate up to such number of
directors, rounded to the next whole number, on the Board of Directors of the
Company as shall give Purchaser representation on the Board of Directors equal
to the product of the total number of directors on such Board (giving effect to
the directors elected pursuant to this sentence) multiplied by the percentage
that the aggregate number of Shares beneficially owned by Purchaser or any
affiliate of Purchaser bears to the total number of Shares then outstanding, and
the Company shall, at such time, promptly take all action necessary to cause
Purchaser's designees to be so elected, including either increasing the size of
the Board of Directors or securing the resignations of incumbent directors or
both. At such times, the Company will use its best efforts to cause persons
designated by Purchaser to constitute the same percentage as is on the Board of
Directors of the Company of (i) each committee of the Board of Directors of the
Company, (ii) each board of directors of each domestic subsidiary of the Company
and (iii) each committee of each such board, in each case to the extent
permitted by law. Until the Effective Time, the Company shall use its reasonable
best efforts to ensure that all the members of the Board of Directors of the
Company as of the date hereof who are not employees of the Company shall remain
members of the Board of Directors of the Company.

              (b) The Company's obligations to appoint Purchaser's designees to
its Board of Directors shall be subject to Section 14(f) of the Exchange Act and
Rule 14f-1 promulgated thereunder. The Company shall promptly take all actions
required pursuant to Section 14(f) and Rule 14f-1 in order to fulfill its
obligations under this Section 6.3 and shall include in the Schedule 14D-9 or a
separate Rule 14f-1 information statement provided to stockholders such
information with respect to the Company and its officers and directors as is
required under Section 14(f) and Rule 14f-1 to fulfill its obligations under
this Section 6.3. Parent or Purchaser will supply to the Company and be solely
responsible 
<PAGE>   36
for any information with respect to either of them and their nominees, officers,
directors and affiliates required by Section 14(f) and Rule 14f-1.

              (c) Following the election or appointment of Purchaser's designees
pursuant to this Section 6.3 and prior to the Effective Time, any amendment (or
recommendation thereof) by the Board of Directors of the Company of this
Agreement or the Certificate of Incorporation or By-Laws of the Company, any
termination of this Agreement by the Company, any extension by the Company of
the time for the performance of any of the obligations or other acts of
Purchaser or waiver of any of the Company's rights hereunder, and any other
consent or action by the Board of Directors of the Company hereunder, will
require the concurrence of a majority of the directors of the Company then in
office who are not designated by Purchaser.

         SECTION 6.4 Access to Information; Confidentiality. (a) From the date
hereof to the Effective Time, the Company shall, and shall cause its
subsidiaries, officers, directors, employees, auditors and other agents to,
afford the officers, employees, auditors and other agents of Parent, reasonable
access at all reasonable times to its officers, employees, agents, properties,
offices, plants and other facilities and to all books and records, and shall
furnish Parent with such financial, operating and other data and information as
Parent, through its officers, employees or agents may from time to time
reasonably request.

              (b) Each of Parent and Purchaser will hold and will cause its
officers, employees, auditors and other agents to hold in confidence, unless
compelled to disclose by judicial or administrative process or, in the written
opinion of its legal counsel, by other requirements of law, all documents and
information concerning the Company and its subsidiaries furnished to Parent or
Purchaser in connection with the transactions contemplated in this Agreement in
accordance with the provisions of the letter dated May 1, 1997 between Parent
and the Company (the "Confidentiality Agreement"). In addition, all such
confidential documents and information shall promptly be redelivered to the
Company (whether in the possession of Parent, Purchaser or any other person
permitted by the terms of such letter to receive such documents and information)
and any copies, extracts or other reproductions, in whole or in part, of the
same will not be retained.

              (c) No investigation pursuant to this Section 6.4 shall affect any
representations or warranties of the parties herein or the conditions to the
obligations of the parties hereto.

         SECTION 6.5 No Solicitation of Transactions. The Company, its
affiliates and their respective officers, directors, employees, representatives
and agents (i) shall immediately cease any existing discussions or negotiations,
if any, with any parties with respect to any acquisition (other 
<PAGE>   37
than the transactions contemplated by this Agreement) of all or any material
portion of the assets of, or any equity interest in, the Company or any of the
Company Subsidiaries or any business combination with the Company or any of the
Company Subsidiaries, (ii) shall not, directly or indirectly, solicit, initiate,
encourage, or furnish information in response to any inquiries or proposals that
constitute, or could reasonably be expected to lead to, an Acquisition
Transaction, (iii) shall not engage in negotiations or discussions concerning,
or provide any non-public information to any person or entity relating to, any
Acquisition Transaction, or (iv) shall not agree to, approve or recommend any
Acquisition Transaction; except, with respect to clauses (ii) (as to the
furnishing of information only), (iii) and (iv), where any such person or entity
has submitted a written proposal to the Company's Board of Directors relating to
an Acquisition Transaction and the Company's Board of Directors has received the
written opinion of Irell & Manella LLP to the effect that the failure of the
Company's Board of Directors to so act would constitute a violation of the Board
of Directors' fiduciary responsibilities to the holders of the Company Common
Stock under applicable law (it being understood that for this purpose, the
failure to respond to an Acquisition Proposal which in the judgment of the
Company's Board of Directors and BZW is superior, from a financial point of
view, to the Company's stockholders may be deemed to be a breach of such
fiduciary duty). If the Company shall nevertheless receive any indications of
interest or proposals with respect to any Acquisition Transactions, it shall
provide a copy of any such written proposal to Purchaser immediately after
receipt thereof by the Company or any of its representatives or agents, shall
notify Parent immediately if any such proposal (whether oral or written) is made
and shall keep Parent promptly advised of all developments which could
reasonably be expected to culminate in the Board of Directors of the Company
withdrawing, modifying or amending its recommendation of the Offer, the Merger
and the other transactions contemplated by this Agreement. Except with Parent's
consent, the Company agrees not to release any third party from, or waive any
provisions of, any confidentiality or standstill agreement to which the Company
is a party.

         SECTION 6.6 SERP; Steck-Vaughn Options. (a) The parties hereto agree
that (i) the condition in Section 8 of the Company's supplemental executive
retirement plan, as amended (the "SERP"), that a participant's employment with
the Company must be terminated voluntarily or involuntarily within two years of
a change of control in order to receive accelerated vesting and payout of SERP
retirement benefits will be waived for Gary Keisling and Charles Moran; (ii)
Messrs. Keisling and Moran will be entitled to payment of SERP retirement
benefits, with interest from the consummation of the Offer, only when their
employment terminates; (iii) there will be no further accrual of additional
benefits under the SERP from and after the consummation of the Offer with
respect to Messrs. Keisling and Moran and (iv) Messrs. Keisling and
<PAGE>   38
Moran will not participate in any of Parent's retirement plans.

              (b) The parties hereto acknowledge that the Option Committee of
the Board of Directors of Steck-Vaughn may amend all options exercisable for
common stock of Steck-Vaughn to provide for the acceleration of vesting and the
mandatory cash-out of such options upon the initiation of a going-private
transaction for Steck-Vaughn.

         SECTION 6.7 Indemnification. (a) The Company shall and Parent shall
cause the Surviving Corporation to, from and after the Effective Time,
indemnify, defend and hold harmless each person who is now, or has been at any
time prior to the date of this Agreement or who becomes prior to the Effective
Time, an officer or director of the Company or any of the Company Subsidiaries
(the "Indemnified Parties") against all losses, claims, damages, costs,
expenses, liabilities or judgments or amounts that are paid in settlement with
the approval of the indemnifying party (which approval shall not be unreasonably
withheld) of or in connection with any claim, action, suit, proceeding or
investigation based in whole or in part on or arising in whole or in part out of
the fact that such person is or was a director or officer, of the Company or any
of the Company Subsidiaries, whether pertaining to any matter existing or
occurring at or prior to the Effective Time and whether asserted or claimed
prior to, or at or after, the Effective Time ("Indemnified Liabilities")
including, without limitation, all losses, claims, damages, costs, expenses,
liabilities or judgments based in whole or in part on, or arising in whole or in
part out of, or pertaining to this Agreement or the transactions contemplated
hereby, in each case to the full extent a corporation is permitted under the
DGCL to indemnify its own directors and officers. The Company or the Surviving
Corporation, as the case may be, will pay expenses in advance of the final
disposition of any such action or proceeding to each Indemnified Party to the
full extent permitted by law upon receipt of any undertaking contemplated by
Section 145(e) of the DGCL. Without limiting the foregoing, in the event of any
such claim, action, suit, proceeding or investigation (whether arising before or
after the Effective Time), (i) Parent or the Surviving Corporation shall have
the right to assume the defense thereof and Parent shall not be liable to such
Indemnified Parties for any legal expenses of other counsel or any other
expenses subsequently incurred by such Indemnified Parties in connection with
the defense thereof, except that if Parent or the Surviving Corporation elects
not to assume such defense or counsel for the Indemnified Parties advises that
there are issues that raise conflicts of interest between Parent or the
Surviving Corporation and the Indemnified Parties, the Indemnified Parties may
retain counsel satisfactory to them, and Parent or the Surviving Corporation
shall pay all reasonable fees and expenses of such counsel for the Indemnified
Parties promptly as statements therefor are received; provided, however, that
Parent shall be obligated pursuant to this paragraph (a) to pay for only one
firm of counsel for all Indemnified Parties 
<PAGE>   39
in any jurisdiction unless the use of one counsel for such Indemnified Parties
would present such counsel with a conflict of interest, (ii) the Indemnified
Parties will cooperate in the defense of any such matter and (iii) Parent shall
not be liable for any settlement effected without its prior written consent,
which consent shall not be unreasonably withheld; and provided, further, that
Parent shall not have any obligation hereunder to any Indemnified Party when and
if a court of competent jurisdiction shall ultimately determine, and such
determination shall have become final and nonappealable, that the
indemnification of such Indemnified Party in the manner contemplated hereby is
prohibited by applicable law. Any Indemnified Party wishing to claim
indemnification under this Section 6.7, upon learning of any such claim, action,
suit, proceeding or investigation, shall promptly notify the Company or the
Surviving Corporation (but the failure so to notify an Indemnifying Party shall
not relieve it from any liability which it may have under this Section 6.7
except to the extent such failure prejudices such party), and shall deliver to
the Company (or, after the Effective Time, the Surviving Corporation) the
undertaking contemplated by the DGCL.

              (b) For a period of five years after the Effective Time, Parent
shall cause the Surviving Corporation to use reasonable efforts to maintain in
effect, if available, directors', and officers', liability insurance covering
those persons who are currently covered by the Company's directors, and
officers, liability insurance policy (a copy of which has heretofore been
delivered to Purchaser) on terms and in an amount comparable to those now
applicable to directors and officers of the Company; provided, however, that in
no event shall the Surviving Corporation be required to expend in any year in
excess of 125% of the current premium being paid by the Company for such
coverage.

              (c) In the event that the Surviving Corporation or any of its
respective successors and assigns consolidates with or merges into any other
person and shall not be the continuing or surviving corporation or entity of
such consolidation or merger or transfers and conveys all or substantially all
of its property and assets to any person, then, and in each case, proper
provisions shall be made so that the successors and assigns of the Surviving
Corporation assume the obligations set forth in this Section 6.7.

              (d) The provisions of this Section 6.7 are intended to be for the
benefit of, and shall be enforceable by, each Indemnified Party, his or her
heirs and representatives, and may not be amended, altered or repealed without
the written consent of any affected Indemnified Party.

         SECTION 6.8 Amendment to Indenture. Each of Purchaser and the Company
will use its best efforts to cause the Trustee under the Indenture relating to
the Debentures to amend the Indenture, effective at the Effective Time, such
that the Surviving Corporation assumes the rights and obligations of the Company
thereunder.
<PAGE>   40
         SECTION 6.9 Notification of Certain Matters. The Company shall give
prompt notice to Parent, and Parent shall give prompt notice to the Company, of
(i) the occurrence or non-occurrence of any event the occurrence or
non-occurrence of which would be likely to cause any representation or warranty
contained in this Agreement to be untrue or inaccurate and (ii) any failure of
the Company, Parent or Purchaser, as the case may be, to comply with or satisfy
any covenant, condition or agreement to be complied with or satisfied by it
hereunder; provided, however, that the delivery of any notice pursuant to this
Section 6.9 shall not limit or otherwise affect the remedies available hereunder
to the party receiving such notice.

         SECTION 6.10 Further Action; Reasonable Best Efforts. Upon the terms
and subject to the conditions of this Agreement, each of the parties hereto
shall use reasonable best efforts to take, or cause to be taken, all appropriate
action, and to do or cause to be done, all things necessary, proper or advisable
under applicable laws and regulations to consummate and make effective the
transactions contemplated by this Agreement, including but not limited to (i)
cooperation in the preparation and filing of the Offer Documents, the Schedule
14D-9, the Proxy Statement, any required filings under the HSR Act, any required
foreign filings and any amendments to any thereof and (ii) using its reasonable
best efforts to make all required regulatory filings and applications and to
obtain all licenses, permits, consents, approvals, authorizations,
qualifications and orders of governmental authorities and parties to contracts
with the Company and its subsidiaries as are necessary for the consummation of
the transactions contemplated by this Agreement and to fulfill the conditions to
the Offer and the Merger. In case at any time after the Effective Time any
further action is necessary or desirable to carry out the purposes of this
Agreement, the proper officers and directors of each party to this Agreement
shall use their reasonable best efforts to take all such necessary action.

         SECTION 6.11 Public Announcements. Parent and the Company shall consult
with each other before issuing any press release or otherwise making any public
statements with respect to the Offer, the Merger or this Agreement and shall not
issue any such press release or make any such public statement prior to such
consultation, except as may be required by law or pursuant to the rules of the
Commission or any listing agreement with its securities exchange.

         SECTION 6.12 Disposition of Litigation. The Company shall give Parent
the opportunity to participate in the defense or settlement of any litigation
against the Company or any of its subsidiaries and their respective directors;
provided, however, that no such settlement shall be agreed to without Parent's
consent, which consent shall not be unreasonably withheld.
<PAGE>   41
         SECTION 6.13 Postponement of Steck-Vaughn Annual Meeting. The Company
shall as soon as possible cause Steck-Vaughn to indefinitely postpone its
annual meeting of stockholders currently scheduled for May 29, 1997, and shall
cause Steck-Vaughn to take no action unless compelled by legal process to
reschedule such annual meeting or to call a special meeting of stockholders of
Steck-Vaughn except in accordance with this Agreement unless and until this
Agreement has been terminated in accordance with its terms.

                                   ARTICLE VII

                              CONDITIONS OF MERGER

         SECTION 7.1 Conditions to Obligation of Each Party to Effect the
Merger. The respective obligations of each party to effect the Merger shall be
subject to the satisfaction at or prior to the Effective Time of the following
conditions:

                  (a) If required by the DGCL, this Agreement shall have been
         approved by the affirmative vote of the stockholders of the Company by
         the requisite vote in accordance with the Company's Certificate of
         Incorporation and the DGCL (which the Company has represented shall be
         solely the affirmative vote of a majority of the outstanding Shares).

                  (b) No statute, rule, regulation, executive order, decree,
         ruling, injunction or other order (whether temporary, preliminary or
         permanent) shall have been enacted, entered, promulgated or enforced by
         any United States or state court or governmental authority which
         prohibits, restrains, enjoins or restricts the consummation of the
         Merger.

                  (c) Any waiting period applicable to the Merger under the HSR
         Act shall have terminated or expired.

                  (d) Purchaser shall have purchased Shares pursuant to the
         Offer.

                                  ARTICLE VIII

                        TERMINATION, AMENDMENT AND WAIVER

         SECTION 8.1 Termination. This Agreement may be terminated and the
Merger contemplated hereby may be abandoned at any time prior to the Effective
Time, notwithstanding any approval thereof by the stockholders of the Company:

                  (a) By mutual written consent of Parent, Purchaser and the
         Company;

                  (b) By the Company if the Offer shall not have been
         consummated within 90 days following the date hereof;
<PAGE>   42
                  (c) By Parent or the Company if any court of competent
         jurisdiction or other governmental body located or having jurisdiction
         within the United States or any country or economic region in which
         either the Company or Parent, directly or indirectly, has material
         assets or operations, shall have issued a final order, decree or ruling
         or taken any other final action restraining, enjoining or otherwise
         prohibiting the Offer or the Merger and such order, decree, ruling or
         other action is or shall have become final and nonappealable, except if
         the party relying on this clause (c) to terminate this Agreement is in
         breach of any of its material obligations under this Agreement;

                  (d) By Parent if due to a failure of any of the Offer
         Conditions, Purchaser shall have (i) terminated the Offer or (ii)
         failed to pay for Shares pursuant to the Offer within 90 days following
         the date hereof, unless such termination or failure has been caused by
         or results from the failure of Parent or Purchaser to perform in any
         material respect any of its respective covenants or agreements
         contained in this Agreement;

                  (e) By the Company if (i) due to a failure of any of the Offer
         Conditions, Purchaser shall have terminated the Offer, unless such
         termination has been caused by or results from the failure of the
         Company to perform in any material respect any of its covenants or
         agreements contained in this Agreement, (ii) prior to the purchase of
         Shares pursuant to the Offer, any person shall have made a bona fide
         offer to acquire the Company (A) that the Board of Directors of the
         Company determines in its good faith judgment is more favorable to the
         Company's stockholders from a financial point of view than the Offer
         and the Merger and (B) as a result of which the Company's Board of
         Directors has received the written opinion of Irell & Manella LLP to
         the effect that the failure of the Company's Board of Directors to
         terminate this Agreement would constitute a violation of the Board of
         Directors' fiduciary responsibilities to the holders of the Company
         Common Stock under applicable law (it being understood that for this
         purpose, the failure to respond to a bona fide offer to acquire the
         Company which in the judgment of the Company's Board of Directors and
         BZW is superior, from a financial point of view, to the Company's
         stockholders may be deemed to be a breach of such fiduciary duty) or
         (iii) prior to the purchase of Shares pursuant to the Offer (A) there
         shall have been a breach of any representation or warranty on the part
         of Parent or Purchaser contained in this Agreement which could
         reasonably be expected to materially adversely affect (or materially
         delay) the consummation of the Offer or (B) there shall have been a
         breach of any covenant or agreement on the part of Parent or Purchaser
         contained in this Agreement which could reasonably be expected to
         materially adversely affect (or materially delay) the consummation of
         the Offer, which in the case
<PAGE>   43
         of (A) or (B) shall not have been cured prior to the earlier of (x) 10
         business days following notice of such breach and (y) two business days
         prior to the date on which the Offer expires (including any extensions
         thereof); provided that such termination under clause (ii) hereof shall
         not be effective until the Company has made payment of the full fee and
         expense reimbursement required by Sections 8.3(b) and (c) hereof; or

                  (f) By Parent prior to the purchase of Shares pursuant to the
         Offer, if (i) there shall have been a breach of any representation or
         warranty on the part of the Company contained in this Agreement that
         has a Material Adverse Effect on the Corporation, (ii) there shall have
         been a breach of any covenant or agreement on the part of the Company
         contained in this Agreement that has a Material Adverse Effect on the
         Corporation or which materially adversely affects (or materially
         delays) the consummation of the Offer, which in the case of (i) or (ii)
         shall not have been cured prior to the earlier of (A) 10 business days
         following notice of such breach and (B) two business days prior to the
         date on which the Offer expires (including any extensions thereof),
         (iii) the Company's Board of Directors shall have withdrawn or modified
         (including by amendment of the Schedule 14D-9) in a manner adverse to
         Purchaser its approval or recommendation of the Offer, this Agreement
         or the Merger or shall have approved or recommended another offer or
         transaction, or shall have resolved to effect any of the foregoing, or
         (iv) the Minimum Condition shall not have been satisfied by the
         expiration date of the Offer (including extensions thereof) and on or
         prior to such date (A) any person (other than Parent or Purchaser)
         shall have made a bona fide proposal or public announcement or
         communication to the Company with respect to a Third Party Acquisition
         or (B) any person (including the Company or any of its affiliates or
         subsidiaries), other than Parent or any of its affiliates shall have
         become the beneficial owner of more than 30% of the Shares.

         SECTION 8.2 Effect of Termination. In the event of the termination of
this Agreement pursuant to Section 8.1, this Agreement shall forthwith become
void and there shall be no liability on the part of any party hereto or their
respective officers, directors, stockholders or affiliates, except as set forth
in Section 8.3 and Section 9.1 hereof; provided, however, that nothing herein
shall relieve any party from liability for any breach hereof; provided, further,
that neither Parent nor Purchaser shall be entitled to any punitive damages in
the event of any breach hereof if the fee referred to in Section 8.3(c) has been
paid in full to Parent.

         SECTION 8.3 Fees and Expenses.

                  (a) Parent hereby agrees to immediately provide to the Company
which shall pay the $30,000,000 fee payable by the 
<PAGE>   44
Company to Sylvan as a result of the termination of the Sylvan Merger Agreement
in connection with the transactions contemplated hereby and in accordance with
the terms of that certain letter agreement dated the date hereof among Parent,
the Company and Sylvan (the "Letter Agreement").

              (b)  Parent and the Company hereby agree that if:

                   (i)   the Company intentionally breaches any of its
         representations, warranties, covenants or agreements set forth in this
         Agreement and such breach has a Material Adverse Effect on the
         Corporation and Parent terminates this Agreement and the Offer pursuant
         to Section 8.1(f) hereof;

                   (ii)  this Agreement is terminated pursuant to Section 8.1
         hereof and the Company is required to pay Parent the fee provided in
         Section 8.3(c) hereof; or

                   (iii) this Agreement is terminated in accordance with its
         terms and, within eight months thereafter, the Company enters into an
         agreement with respect to, or consummates, a Third Party Acquisition
         with Sylvan (or any affiliate or associate thereof);

then the Company shall reimburse Parent, within one business day following the
execution and delivery of such agreement or such occurrence, as the case may be,
for all amounts paid by Parent to the Company pursuant to Section 8.3(a) hereof.
The Company's obligations pursuant to this Section 8.3(b) shall be in addition
to any other payment obligations of the Company which may arise under this
Agreement, including, without limitation, Section 8.3(c).

              "Third Party Acquisition" means the occurrence of any of the
following events: (i) the acquisition of the Company by merger, tender offer or
otherwise by any person other than Parent, Purchaser or any affiliate thereof (a
"Third Party"); (ii) the acquisition by a Third Party of 30% or more of the
assets of the Company and its subsidiaries, taken as a whole; (iii) the
acquisition by a Third Party of more than 30% of the outstanding Shares; (iv)
the adoption by the Company of a plan of liquidation or the declaration or
payment of an extraordinary dividend; or (v) the repurchase by the Company or
any of its subsidiaries of 30% or more of the outstanding Shares.

              Upon the consummation of the Merger, the Company shall reimburse
Parent for all amounts paid by Parent to the Company pursuant to Section 8.3(a)
hereof.

              (c)  Parent and the Company hereby agree that if:

                   (i)   Parent terminates this Agreement pursuant to Section
         8.1(f)(i), (ii) or (iv)(A) hereof, or if the Company terminates this
         Agreement pursuant to Section 8.1(e)(i) hereof under circumstances that
         would have permitted Parent to terminate this Agreement pursuant to
         Section 8.1(f)(i), (ii) or (iv)(A) hereof, and within eight months
         thereafter, the Company enters into an 
<PAGE>   45
         agreement with respect to (and thereafter consummates), or consummates,
         a Third Party Acquisition; or

                   (ii)  the Company terminates this Agreement pursuant to
         8.1(e)(ii) hereof or Parent terminates this Agreement pursuant to
         Section 8.1(f)(iii) or (iv)(B) hereof;

then the Company shall pay to Parent, within one business day following any
termination by Parent pursuant to Section 8.1(f)(iii) or (iv)(B) above or
simultaneously with the consummation of any such Third Party Acquisition or any
termination by the Company pursuant to Section 8.1(e)(ii) above, a fee, in cash,
of (x) in any case involving a Third Party Acquisition with Sylvan (including
any termination pursuant to Section 8.1(e)(ii) or 8.1(f)(iii) or (iv)(B)), $30
million and (y) in all other cases, $10 million, provided, however, that the
Company in no event shall be obligated to pay more than one such fee to Parent
with respect to all such agreements and occurrences and such termination. The
Company's obligations pursuant to this Section 8.3(c) shall be in addition to
any other payment obligations of the Company which may arise under this
Agreement, including, without limitation, Section 8.3(b).

              (d) If the Company is required to reimburse Parent for any amount
(the "Reimbursement Amount") pursuant to Section 8.3(b) and the Reimbursement
Amount is not paid within five business days after the events set forth in
Section 8.3(b) requiring payment of the Reimbursement Amount occur, Parent, at
its sole option, may demand (the "Demand") that the Company tender to Parent,
immediately in satisfaction of the Reimbursement Amount, such number of Shares
(rounded to the nearest whole share) (which at the request of Parent shall be
issued in shares of treasury stock, if available) equal to (x) the Reimbursement
Amount divided by (y) the Average Market Price. For purposes of this Section
8.3(d) "Average Market Price" shall mean the average of the average of the high
and low prices of Company Common Stock as reported on the New York Stock
Exchange Composite Tape on each of the five consecutive trading days immediately
preceding the trading day prior to the Demand. The Company acknowledges that it
is obligated hereunder to pay the Reimbursement Amount in cash and that such
obligation is not abrogated in any respect by the existence of the option of
Parent to seek satisfaction of such obligation by means of the Demand.

              (e) Except as otherwise specifically provided herein, each party
shall bear its own expenses in connection with this Agreement and the
transactions contemplated hereby.

         SECTION 8.4 Amendment. Subject to Section 6.3, this Agreement may be
amended by the parties hereto, notwithstanding any approval thereof by the
stockholders of the Company, by action taken by or on behalf of their respective
Boards of Directors at any time prior to the Effective Time; provided, however,
that, after approval of the 
<PAGE>   46
Merger by the stockholders of the Company, no amendment may be made which under
applicable law requires further approval of such stockholders without obtaining
such required further approval. This Agreement may not be amended except by an
instrument in writing signed by the parties hereto.

         SECTION 8.5 Waiver. Subject to Section 6.3, at any time prior to the
Effective Time, any party hereto may, but shall not be required to, (a) extend
the time for the performance of any of the obligations or other acts of the
other parties hereto, (b) waive any inaccuracies in the representations and
warranties contained herein or in any document delivered pursuant hereto and (c)
waive compliance with any of the agreements or conditions contained herein. Any
such extension or waiver shall be valid only if set forth in an instrument in
writing signed by the party or parties to be bound thereby.

                                   ARTICLE IX

                               GENERAL PROVISIONS

         SECTION 9.1 Non-Survival of Representations, Warranties and Agreements.
The representations, warranties and agreements in this Agreement shall terminate
at the Effective Time or upon the termination of this Agreement pursuant to
Section 8.1, as the case may be, except that the agreements set forth in Article
II, Section 6.7, Section 6.10 and Article IX shall survive the Effective Time
and those set forth in Section 6.4(b), Section 8.3 and Article IX shall survive
termination of this Agreement.

         SECTION 9.2 Notices. All notices, requests, claims, demands and other
communications hereunder shall be in writing and shall be given (and shall be
deemed to have been duly given upon receipt) by delivery in person, by cable,
telecopy, telegram or 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 by like notice):

                  if to Parent or Purchaser:

                           Harcourt General, Inc.
                           27 Boylston Street
                           Chestnut Hill, Massachusetts 02167
                           Attention: Eric P. Geller, Esq.

                  with a copy to:

                           Simpson Thacher & Bartlett
                           425 Lexington Avenue
                           New York, NY 10017
                           Attention:  Robert L. Friedman, Esq.

                  if to the Company:
<PAGE>   47
                           National Education Corporation
                           2601 Main Street
                           Irvine, California  92714
                           Attention:  Philip C. Maynard, Esq.

                  with a copy to:

                           Irell & Manella LLP
                           1800 Avenue of the Stars, Suite 500
                           Los Angeles, CA 90067
                           Attention:  Alvin G. Segel, Esq.

         SECTION 9.3 Certain Definitions. For purposes of this Agreement, the
term:

                  (a) "affiliate" of a person means a person that directly or
         indirectly, through one or more intermediaries, controls, is controlled
         by, or is under common control with, the first mentioned person;

                  (b) "beneficial owner" with respect to any Shares means a
         person who shall be deemed to be the beneficial owner of such Shares
         (i) which such person or any of its affiliates or associates
         beneficially owns, directly or indirectly, (ii) which such person or
         any of its affiliates or associates (as such term is defined in Rule
         12b-2 of the Exchange Act) has, directly or indirectly, (A) the right
         to acquire (whether such right is exercisable immediately or subject
         only to the passage of time), pursuant to any agreement, arrangement or
         understanding or upon the exercise of consideration rights, exchange
         rights, warrants or options, or otherwise, or (B) the right to vote
         pursuant to any agreement, arrangement or understanding or (iii) which
         are beneficially owned, directly or indirectly, by any other persons
         with whom such person or any of its affiliates or person with whom such
         person or any of its affiliates or associates has any agreement,
         arrangement or understanding for the purpose of acquiring, holding,
         voting or disposing of any shares;

                  (c) "control" (including the terms "controlled by" and "under
         common control with") means the possession, directly or indirectly or
         as trustee or executor, of the power to direct or cause the direction
         of the management policies of a person, whether through the ownership
         of stock, as trustee or executor, by contract or credit arrangement or
         otherwise;

                  (d) "generally accepted accounting principles" shall mean the
         generally accepted accounting principles set forth in the opinions and
         pronouncements of the Accounting Principles Board of the American
         Institute of Certified Public Accountants and statements and
         pronouncements of the Financial Accounting Standards Board or in such
         other statements by such other entity as may be approved by a
         significant segment of the 
<PAGE>   48
         accounting profession in the United States, in each case applied on a
         basis consistent with the manner in which the audited financial
         statements for the fiscal year of the Company ended December 31, 1996
         were prepared;

                  (e) "person" means an individual, corporation, partnership,
         association, trust, unincorporated organization, other entity or group
         (as defined in Section 13(d)(3) of the Exchange Act); and

                  (f) "subsidiary" or "subsidiaries" of the Company, the
         Surviving Corporation, Parent or any other person means any
         corporation, partnership, joint venture or other legal entity of which
         the Company, the Surviving Corporation, Parent or such other person, as
         the case may be (either alone or through or together with any other
         subsidiary), owns, directly or indirectly, 50% or more of the stock or
         other equity interests the holder of which is generally entitled to
         vote for the election of the board of directors or other governing body
         of such corporation or other legal entity.

         SECTION 9.4 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 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 an acceptable manner to the end
that the transactions contemplated hereby are fulfilled to the fullest extent
possible.

         SECTION 9.5 Entire Agreement; Assignment. This Agreement, together with
the Letter Agreement and the Confidentiality Agreement, constitutes the entire
agreement among the parties with respect to the subject matter hereof and
supersedes all prior agreements and undertakings, both written and oral, among
the parties, or any of them, with respect to the subject matter hereof. This
Agreement shall not be assigned by operation of law or otherwise, except that
Parent and Purchaser may assign all or any of their respective rights and
obligations hereunder to any direct or indirect wholly owned subsidiary or
subsidiaries of Parent, provided, that no such assignment shall relieve the
assigning party of its obligations hereunder.

         SECTION 9.6 Parties in Interest. This Agreement shall be binding upon
and inure solely to the benefit of each party hereto and its successors and
permitted assigns, and, except as provided in Section 6.7 hereof, nothing in
this Agreement, express or implied, is intended to or shall confer upon any
<PAGE>   49
other person any rights, benefits or remedies of any nature whatsoever under or
by reason of this Agreement.

         SECTION 9.7 Governing Law. This Agreement shall 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 conflicts of
laws thereof.

         SECTION 9.8 Headings. The descriptive headings contained in this
Agreement are included for convenience of reference only and shall not affect in
any way the meaning or interpretation of this Agreement.

         SECTION 9.9 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.
<PAGE>   50
         IN WITNESS WHEREOF, Parent, Purchaser and the Company have caused this
Agreement to be executed as of the date first written above by their respective
officers thereunto duly authorized.


                                            HARCOURT GENERAL, INC.
Attest:



___________________________                 By:_____________________________
                                               Name:
                                               Title:



                                            NICK ACQUISITION CORPORATION
Attest:



___________________________                 By:_____________________________
                                               Name:
                                               Title:


                                            NATIONAL EDUCATION CORPORATION
Attest:



___________________________                 By:_____________________________
                                               Name:
                                               Title:
<PAGE>   51
                                     ANNEX A
                                Offer Conditions

              The capitalized terms used in this Annex A have the meanings set
forth in the attached Agreement, except that the term "Merger Agreement" shall
be deemed to refer to the attached Agreement.

              Notwithstanding any other provision of the Offer, Purchaser shall
not be required to accept for payment or, subject to any applicable rules and
regulations of the Commission, including Rule 14e-l(c) under the Exchange Act
(relating to Purchaser's obligation to pay for or return tendered Shares
promptly after termination or withdrawal of the Offer), pay for any Shares
tendered pursuant to the Offer, and may postpone the acceptance for payment or,
subject to the restriction referred to above, payment for any Shares tendered
pursuant to the Offer, and may amend or terminate the Offer in accordance with
the Merger Agreement if, prior to the expiration of the Offer, (i) Shares
representing at least a majority of the total number of outstanding shares of
Company Common Stock, on a fully diluted basis (assuming conversion of all
outstanding Debentures into Shares and the exercise of all Company Outstanding
Options) shall not have been validly tendered and not properly withdrawn prior
to the expiration of the Offer (the "Minimum Condition") or (ii) at any time on
or after the date hereof and prior to the acceptance for payment of or payment
for Shares, any one or more of the following conditions occurs or has occurred:

              (a) there shall have been instituted or pending any action or
         proceeding brought by any governmental authority before any federal of
         state court, or any order or preliminary or permanent injunction
         entered in any action or proceeding before any federal or state court
         or governmental, administrative or regulatory authority or agency, or
         any other action taken, or statute, rule, regulation, legislation,
         interpretation, judgment or order enacted, entered, enforced,
         promulgated, amended, issued or deemed applicable to Parent, Purchaser,
         the Company or any subsidiary or affiliate of Purchaser or the Company
         or the Offer or the Merger, by any legislative body, court, government
         or governmental, administrative or regulatory authority or agency that
         would reasonably be expected to have the effect of: (i) making illegal,
         materially delaying or otherwise directly or indirectly restraining or
         prohibiting the making of the Offer, the acceptance for payment of, or
         payment for, some of or all the Shares by Purchaser or any of its
         affiliates or the consummation of any of the transactions contemplated
         by the Merger Agreement or materially delaying the Merger; (ii)
         prohibiting or materially limiting the ownership or operation by the
         Company or any of its subsidiaries or Parent, Purchaser or any of
         Parent's affiliates of all or any material portion of the business or
         assets of the Company or any of its subsidiaries or Parent, or any of
         its affiliates, or
<PAGE>   52
         compelling Parent, Purchaser or any of Parent's affiliates to dispose
         of or hold separate all or any material portion of the business or
         assets of the Company or any of its subsidiaries or Parent, or any of
         its affiliates, as a result of the transactions contemplated by the
         Offer or the Merger Agreement; (iii) imposing or confirming limitations
         on the ability of Parent, Purchaser or any of Parent's affiliates
         effectively to acquire or hold or to exercise full rights of ownership
         of Shares, including without limitation the right to vote any Shares
         acquired or owned by Parent or Purchaser or any of its affiliates on
         all matters properly presented to the stockholders of the Company,
         including without limitation the adoption and approval of the Merger
         Agreement and the Merger or the right to vote any shares of capital
         stock of any subsidiary directly or indirectly owned by the Company; or
         (iv) requiring divestiture by Parent or Purchaser or any of their
         affiliates of any Shares; provided, that Parent and Purchaser shall
         have used their reasonable best efforts to cause any such judgment,
         order or injunction to be vacated or lifted;

              (b) there shall have occurred any event that is reasonably likely
         to have a Material Adverse Effect on the Corporation;

              (c) there shall have occurred (i) any general suspension of
         trading in, or limitation on prices for, securities on any national
         securities exchange or in the over-the-counter market in the United
         States, (ii) a declaration of a banking moratorium or any suspension of
         payments in respect of banks in the United States, (iii) any limitation
         (whether or not mandatory) by any government or governmental,
         administrative or regulatory authority or agency, domestic or foreign,
         on the extension of credit by banks or other lending institutions, (iv)
         a commencement of a war or armed hostilities or other national or
         international calamity directly or indirectly involving the United
         States or having a Material Adverse Effect on the Corporation or
         materially adversely affecting (or materially delaying) the
         consummation of the Offer or (v) in the case of any of the foregoing
         existing at the time of commencement of the Offer, a material
         acceleration or worsening thereof;

              (d) (i) it shall have been publicly disclosed or Purchaser shall
         have otherwise learned that beneficial ownership (determined for the
         purposes of this paragraph as set forth in Rule 13d-3 promulgated under
         the Exchange Act) of more than 30% of the outstanding Shares has been
         acquired by any corporation (including the Company or any of its
         subsidiaries or affiliates), partnership, person or other entity or
         group (as defined in Section 13(d)(3) of the Exchange Act), other than
         Parent or any of its affiliates, or (ii) (A) the Board of Directors of
         the Company or any committee thereof shall have withdrawn or modified
         in a manner adverse to Parent or Purchaser the 
<PAGE>   53
         approval or recommendation of the Offer, the Merger or the Merger
         Agreement, or approved or recommended any takeover proposal or any
         other acquisition of more than 5% of the outstanding Shares other than
         the Offer and the Merger, (B) any corporation, partnership, person or
         other entity or group shall have entered into a definitive agreement or
         an agreement in principle with the Company with respect to a tender
         offer or exchange, offer for any Shares or a merger, consolidation or
         other business combination with or involving the Company or any of its
         subsidiaries, or (C) the Board of Directors of the Company or any
         committee thereof shall have resolved to do any of the foregoing;

              (e) any of the representations and warranties of the Company set
         forth in the Merger Agreement that are qualified as to materiality
         shall not be true and correct, or any such representations and
         warranties that are not so qualified shall not be true and correct in
         any material respect, in each case as if such representations and
         warranties were made at the time of such determination, and (i) the
         Company fails to cause such representations and warranties to be true
         and correct within ten business days after written notice from the
         Purchaser and (ii) the failure of such representation and warranty to
         be true and correct has a Material Adverse Effect on the Corporation;

              (f) the Company shall have failed to perform in any material
         respect any obligation or to comply in any material respect with any
         agreement or covenant of the Company to be performed or complied with
         by it under the Merger Agreement, and (i) the Company fails to cure any
         such failure within ten business days after written notice from the
         Purchaser and (ii) the failure to comply with such agreement or
         covenant has a Material Adverse Effect on the Corporation;

              (g) the Merger Agreement shall have been terminated in accordance
         with its terms or the Offer shall have been terminated with the consent
         of the Company;

              (h) any waiting periods under the HSR Act applicable to the
         purchase of Shares pursuant to the Offer shall not have expired or been
         terminated, or any material approval, permit, authorization or consent
         of any domestic or foreign governmental, administrative or regulatory
         agency (federal, state, local, provincial or otherwise) shall not have
         been obtained on terms satisfactory to the Parent in its reasonable
         discretion and the failure to obtain such approval, permit,
         authorization or consent has a Material Adverse Effect on the
         Corporation; or

              (i) giving effect to the consummation of the Offer, the
         representations and warranties made by the Company 
<PAGE>   54
         set forth in Section 3.28 of the Merger Agreement shall not be true and
         correct;

which, in the reasonable, good faith judgment of Purchaser with respect to each
and every matter referred to above and regardless of the circumstances giving
rise to any such condition (except for any action or inaction by Purchaser or
any of its affiliates constituting a breach of the Offer or the Merger
Agreement), makes it inadvisable to proceed with the Offer, or with such
acceptance for payment of or payment for Shares or to proceed with the Merger.

         The foregoing conditions are for the sole benefit of Purchaser and may
be asserted by Purchaser regardless of the circumstances giving rise to any such
condition (except for any action or inaction by Purchaser or any of its
affiliates constituting a breach of the Merger Agreement) or (other than the
Minimum Condition) may be waived by Purchaser in whole or in part at any time
and from time to time in its sole discretion (subject to the terms of the Merger
Agreement). The failure by Purchaser at any time to exercise any of the
foregoing rights shall not be deemed a waiver of any such right, the waiver of
any such right with respect to particular facts and other circumstances shall
not be deemed a waiver with respect to any other facts and circumstances, and
each such right shall be deemed an ongoing right that may be asserted at any
time and from time to time.
<PAGE>   55
 
                                                                       EXHIBIT A
 
                          CERTIFICATE OF INCORPORATION
                                       OF
                         NATIONAL EDUCATION CORPORATION
 
     1. The name of the Corporation is NATIONAL EDUCATION CORPORATION.
 
     2. The address of the registered office of the Corporation in the State of
Delaware is 1209 Orange Street, City of Wilmington, County of New Castle. The
name of the registered agent of the Corporation at such address is The
Corporation Trust Company.
 
     3. The nature of the business or purposes to be conducted by the
Corporation is to engage in any lawful act or activity for which corporations
may be organized under the General Corporation Law of Delaware.
 
     4. The total number of shares of stock which the Corporation shall have
authority to issue is One Thousand One Hundred (1,100) consisting of two classes
of shares designated respectively "Common Stock" and "Preferred Stock", and
referred to herein either as Common stock or Common shares and Preferred stock
or Preferred shares, respectively. The number of shares of Common stock shall be
One Thousand (1,000) and shall have a par value of $.01 per share, and the
number of shares of Preferred stock shall be One Hundred (100) and shall have a
par value of $.10 per share.
 
     The Preferred shares may be issued from time to time in one or more series.
The Board of Directors is authorized to fix the number of shares of any series
of Preferred shares and to determine the designation of any such series. The
Board of Directors is also authorized to determine or alter the rights,
preferences, privileges, and restrictions granted to or imposed upon any wholly
unissued series of Preferred shares and, within the limits and restrictions
stated in any resolution or resolutions of the Board of Directors originally
fixing the number of shares constituting any series, to increase or decrease
(but not below the number of shares of such series then outstanding) the number
of shares of any such series subsequent to the issue of shares of that series.
 
     5. The Corporation is to have perpetual existence.
 
     6. A majority of the whole Board of Directors is empowered to make, alter
or repeal the By-laws of the Corporation.
 
     7. Whenever a compromise or arrangement is proposed between this
Corporation and its creditors or any class of them and/or between this
Corporation and its stockholders or any class of them, any court of equitable
jurisdiction within the State of Delaware may, on the application in a summary
way of this Corporation or of any creditor or stockholder thereof, or on the
application of any receiver or receivers appointed for this Corporation under
the provisions of Section 291 of Title 8 of the Delaware Code, or on the
application of trustees in dissolution, or of any receiver or receivers
appointed for this Corporation under the provision of Section 279 of Title 8 of
the Delaware Code, order a meeting of the creditors or class of creditors,
and/or of the stockholders or class of stockholders of this Corporation, as the
case may be, to be summoned in such manner as the said court directs. If a
majority in number representing three-fourths in value of the creditors or class
of creditors, and/or of the stockholders or class of stockholders of this
Corporation, as the case may be, agree to any compromise or arrangement and to
any reorganization of this Corporation, as consequence of such compromise or
arrangement and the said reorganization shall, if sanctioned by the court to
which the said application has been made, be binding on all the creditors or
class of creditors, and/or on all the stockholders or class of stockholders of
this Corporation, as the case may be, and also on this Corporation.
 
     8. Meetings of stockholders may be held within or without the State of
Delaware, as the By-laws may provide. The books of the Corporation may be kept
(subject to any provisions contained in the statutes) outside the State of
Delaware at such place or places as may be designated from time to time by the
Board of Directors or in the By-laws of the Corporation. Elections of directors
need not be by written ballot unless the By-laws of the Corporation shall so
provide.
 
                                        
<PAGE>   56
 
     9. To the fullest extent permitted by the General Corporation Law of the
State of Delaware as the same
exists or may hereafter be amended, a director of the Corporation shall not be
liable to the Corporation or its stockholders for monetary damages for breach of
fiduciary duty as a director.
 
     Any repeal or modification of this Article shall not result in any
liability for a director with respect to any action or omission occurring prior
to such repeal or modification.
 
                                        

<PAGE>   1
National Education Corporation
2601 Main Street
Irvine, California  92714


Sylvan Learning Systems, Inc.
1000 Lancaster Street
Baltimore, Maryland  21202

                                                                    May 12, 1997

Gentlemen:

            By this letter, you agree with us to amend the Agreement and Plan of
Reorganization (the "Sylvan Agreement") dated as of March 12, 1997, by and among
Sylvan Learning Systems, Inc. ("Sylvan") and National Education Corporation
("NEC") as follows. In the event that NEC and Harcourt General, Inc.
("Harcourt") come to an agreement on or before May 16, 1997 for a business
combination between NEC and Harcourt at a price of $21.00 per NEC share (the
"Harcourt Transaction"), NEC and Sylvan agree that the Sylvan Agreement shall
automatically and without any further action required by NEC or Sylvan be
terminated effective immediately prior to such time as Harcourt and NEC enter
into an agreement with respect to the Harcourt Transaction (the "Harcourt
Agreement"). No later than noon Pacific Daylight Time (the "Drop-Dead Time") on
the business day immediately following the execution of the Harcourt Agreement
(the "Drop-Dead Date"), NEC and Harcourt jointly and severally agree that a fee
of $30.0 million (the "Sylvan Fee") will be paid by NEC (or Harcourt on behalf
of NEC) to Sylvan by wire transfer in immediately available funds to the account
of Sylvan at NationsBank, N.A. (Account Number: 3933614751); provided, however,
that if the Sylvan Fee is not paid by the Drop-Dead Time, the Sylvan Agreement
shall be deemed not to have been terminated in accordance with the preceding
sentence and shall remain in full force and effect and no breach or right of
termination shall have occurred thereunder as a result of actions taken in
compliance with the preceding sentence. Notwithstanding the foregoing, in the
event the Sylvan Fee is paid to Sylvan following the Drop-Dead Time but on the
Drop-Dead Date and by noon Eastern Daylight Time on the business day immediately
following the Drop-Dead Date Sylvan has not (i) rejected the Sylvan fee in a
written notice to NEC and (ii) irrevocably instructed NationsBank, N.A. to
refund the Sylvan fee to NEC, the Sylvan Agreement shall be deemed to have been
terminated in accordance with the second sentence of this letter agreement.
Sylvan shall be entitled to no further payments from NEC or Harcourt pursuant to
the Sylvan Agreement or otherwise. Upon effectiveness of the termination of the
Sylvan Agreement pursuant to the second sentence hereof, the mutual release set
forth as Annex A hereto shall become effective.



<PAGE>   2



            Please indicate your agreement to the foregoing by executing this
letter in the space below.


                                          Very truly yours,

                                          NATIONAL EDUCATION CORPORATION



                                          By: /s/ KEITH K. OGATA
                                             ---------------------------------
                                             Name:  Keith K. Ogata
                                             Title: Vice President, Chief
                                                    Financial Officer and
                                                    Treasurer


Accepted and agreed:                      Accepted and agreed:

SYLVAN LEARNING SYSTEMS, INC.             HARCOURT GENERAL, INC.



By: /s/ DOUGLAS L. BECKER                 By: /s/ ERIC P. GELLER         
    -----------------------------            --------------------------------
    Name:  Douglas L. Becker                 Name:  Eric P. Geller
    Title: President and                     Title: Senior Vice President
           Co-Chief Executive Officer               and General Counsel



<PAGE>   3










                                                                         Annex A

                                MUTUAL RELEASE


            WHEREAS, Sylvan Learning Systems, Inc., a Maryland corporation
("Sylvan"), and National Education Corporation, a Delaware corporation ("NEC"),
are parties to an Agreement and Plan of Reorganization by and among Sylvan and
NEC dated as of March 12, 1997 (the "Reorganization Agreement"); and

            WHEREAS, Harcourt General, Inc., a Delaware corporation
("Harcourt"), through a wholly-owned subsidiary has commenced a tender offer to
purchase all the outstanding capital stock of NEC (the "Tender Offer"); and

            WHEREAS, Sylvan, NEC and Harcourt have entered into a letter
agreement (the "Letter Agreement") dated May 9, 1997; and

            WHEREAS, Sylvan and NEC wish to resolve any actual or potential
controversies or disputes between them arising out of or relating to the
Reorganization Agreement if the Reorganization Agreement is terminated in
accordance with the terms of the Letter Agreement:

            NOW, THEREFORE,

            1. In consideration of the release of Sylvan by NEC and Harcourt
contained herein, (i) Sylvan for itself, its predecessors, successors and
assigns (ii) does hereby remise, release and forever discharge and covenant not
to sue (iii) NEC and Harcourt and the corporate predecessors, successors,
assigns, subsidiaries, affiliates, parents and divisions, as well as the present
and former officers, partners, directors, advisory directors, employees, agents,
stockholders, advisers (including without limitation, financial advisors) and
attorneys of each of NEC and Harcourt and their heirs, executors,
administrators, and representatives (collectively, the "NEC/Harcourt
Releasees"), (iv) of and from all manner of actions, causes of action, suits,
debts, dues, sums of money, accounts, bonds, bills, specialties, covenants,
contracts, controversies, agreements, promises, damages, judgments, executions,
rights, claims, and demands whatsoever, in law or in equity, whether known or
unknown, suspected or unsuspected, (v) which against the NEC/Harcourt Releasees,
or any of them, Sylvan or Sylvan's predecessors, successors, or assigns or any
of the present or former officers, directors, employees, agents, stockholders,
advisers (including without limitation, financial advisors) or attorneys of the
foregoing, or any of their heirs, executors, administrators, representatives,
successors or assigns, acting in any capacity, ever had or now has or hereafter
can, shall, or may have, (vi) arising out of or relating to the Reorganization
Agreement (including without limitation the negotiation, execution, amendment or
termination of the Reorganization Agreement) or the Tender Offer or the
transactions contemplated thereby (including, without limitation, any claim for
tortious interference with the Reorganization Agreement or the transactions
contemplated


<PAGE>   4
thereby), (vii) subject to the exception provided in Paragraph 3 of this Mutual
Release.

            2. In consideration of the release of NEC and Harcourt by Sylvan
contained herein, (i) NEC and Harcourt each for itself, its predecessors,
successors and assigns (ii) does hereby remise, release and forever discharge
and covenant not to sue (iii) Sylvan and its corporate predecessors, successors,
assigns, subsidiaries, affiliates, parents and divisions, as well as the present
and former officers, partners, directors, advisory directors, employees, agents,
stockholders, advisors (including, without limitation, financial advisors) and
attorneys of the foregoing and their heirs, executors, administrators, and
representatives (collectively, the "Sylvan Releasees"), (iv) of and from all
manner of actions, causes of action, suits, debts, dues, sums of money,
accounts, bonds, bills, specialties, covenants, contracts, controversies,
agreements, promises, damages, judgements, executions, rights, claims, and
demands whatsoever, in law, or in equity, whether known or unknown, suspected or
unsuspected, (v) which against the Sylvan Releasees, or any of them, NEC or
Harcourt or each's predecessors, successors, or assigns or any of the present or
former officers, directors, employees, agents, stockholders, advisers
(including, without limitation, financial advisors) or attorneys of the
foregoing, or any of their heirs, executors, administrators, representatives,
successors or assigns, acting in any capacity, ever had or now has or hereafter
can, shall, or may have, (vi) arising out of or relating to the Reorganization
Agreement (including without limitation the negotiation, execution, amendment or
termination of the Reorganization Agreement) or the Tender Offer or the
transactions contemplated thereby (including, without limitation, any claim for
tortious interference with the Tender Offer or the Transactions contemplated
thereby).

            3. Nothing in this Mutual Release shall affect Sylvan's rights or
claims to payments from NEC (or Harcourt on behalf of NEC) pursuant to the third
sentence of the Letter Agreement.

            4. This Mutual Release shall inure to the benefit of and shall be
binding upon the heirs, executors, administrators and successors of Sylvan, the
Sylvan Releasees, NEC and Harcourt and the NEC/Harcourt Releasees.

            5. This Mutual Release shall be governed and construed in accordance
with the substantive law of the State of New York without regard to principles
of choice or conflict of laws.

            6. The person who enters into and executes this Mutual Release on
behalf of Sylvan warrants and represents that he or she has been duly authorized
by Sylvan to do so. The person who enters into and executes this Mutual Release
on behalf of NEC warrants and represents that he or she has been duly authorized
by NEC to do so. The person who enters into and executes this Mutual Release on
behalf of Harcourt warrants and represents that he or she has been duly
authorized by Harcourt to do so.


<PAGE>   5
            7. This Mutual Release may be modified only by a writing signed by
the Releasees.

            8. This Mutual Release shall only be effective after the Merger
Agreement has been terminated in accordance with the terms of the Letter
Agreement; provided, that this Mutual Release shall automatically and without
any further action required by Harcourt, NEC or Sylvan be terminated effective
immediately in the event the Sylvan Fee is not paid by the Drop-Dead Time or is
not paid to Sylvan following the Drop-Dead Time but on the Drop-Dead Date and is
not accepted by Sylvan in accordance with the terms of the Letter Agreement.

            9. Capitalized terms which are used herein but not defined herein
are used herein as defined in the Letter Agreement.
<PAGE>   6
            IN WITNESS WHEREOF, Sylvan, NEC and Harcourt have executed this
Mutual Release by their duly authorized officers as of the 12th day of May,
1997.




<TABLE>

<S>                                     <C>
SYLVAN LEARNING SYSTEMS, INC.            NATIONAL EDUCATION CORPORATION



By: /s/ DOUGLAS L. BECKER                By: /s/ KEITH K. OGATA
   ---------------------------              ---------------------------
   Name:  Douglas L. Becker                 Name:  Keith K. Ogata
   Title: President and                     Title: Vice President,
          Co-Chief Executive                       Chief Financial Officer
          Officer                                  and Treasurer


                                         HARCOURT GENERAL, INC.



                                         By: /s/ ERIC P. GELLER        
                                            ---------------------------
                                            Name:  Eric P. Geller
                                            Title: Senior Vice President
                                                   and General Counsel
</TABLE>


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