Document:

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                                                                   Exhibit 10.27

                                  April 12, 2001

Mr. Robert Norton
IOS Brands Corporation
3113 Woodcreek Drive
Downers Grove, Illinois 60515

Dear Bob:

                  This letter (this "Agreement") sets forth the terms of your
employment with IOS Brands Corporation ("IOS") and its subsidiaries, and
replaces and supercedes your prior employment agreement dated August 18, 1998.

                  Duties. You shall serve as Chairman of the Board, Chief
Executive Officer and President of IOS, as well as President and Chief Executive
Officer of its wholly owned subsidiary Florists' Transworld Delivery Inc.
("FTD"), through September 30, 2003, which term shall automatically renew for
two-year periods thereafter unless this Agreement is terminated as provided
herein upon notice by IOS and FTD prior to the commencement of any two-year
renewal period. You shall perform duties assigned by IOS and FTD from time to
time that are consistent with your positions. You shall devote your entire
business time to the affairs of IOS and its subsidiaries and affiliates, the
performance of your duties under this Agreement and the promotion of the
interests of IOS and its subsidiaries and affiliates.

                  Compensation. As full compensation for the performance by you
of your duties under this Agreement, FTD shall compensate you during your
employment as follows:

                  (a) Salary. FTD shall pay to you a salary of $450,000 per
year, payable in the periodic installments ordinarily paid by FTD to employees
of FTD at comparable levels to you. You shall be entitled to such merit
increases in base salary as the Board of Directors of FTD may determine, in its
discretion.

                  (b) Performance Bonus. In accordance with the terms of the FTD
executive bonus plan, FTD shall pay to you a performance bonus ("Performance
Bonus") based upon the following percentages of your base salary:

                  (i) 35% of your annual base salary level at the time of
                      payment, based upon achieving an EBITDA target level at
                      least equal to Level A (Minimum Level) but less than Level
                      B (Plan Level);

                 (ii) 70% of your annual base salary level at the time of
                      payment, based upon achieving an EBITDA target level at
                      least equal to Level B (Plan Level but less than Level C
                      (Maximum Level); or

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Employment Agreement Between IOS and Robert Norton
April 12, 2001
Page 2  of 9

                  (iii) 100% of your annual base salary at the time of payment,
                        based upon achieving an EBITDA target level at least
                        equal to Level C (Maximum Level).

                  For purposes of payment of the Performance Bonus, the EBITDA
target Levels A, B and C will be set each year by the Board of Directors of FTD.
If FTD attains an EBITDA between the threshold and mid-level targets (i.e.,
between Levels A and B) or between the mid-level and high-point targets (i.e.,
between Levels B and C), as the case may be, the amount of the Performance Bonus
shall be determined by linear interpolation between the relevant bonus
percentages and targets.

                  (c) Equity Incentive Awards. You have been entitled to
participate in the IOS/FTD equity incentive plan and any stock options or
restricted stock awards granted to you, including any granted prior to the date
hereof, shall be deemed to include vesting provisions that accelerate the
vesting of any unvested awards upon the occurrence of a Change of Control (as
defined below).

                  (d) Paid Vacation. You shall be entitled to four weeks of paid
vacation during each year of employment.

                  (e) Benefits. You shall be entitled to all additional
employment-related benefits that are made available from time to time to
employees of FTD at comparable levels to you, provided you satisfy any
eligibility requirements for such benefits.

                  (f) Expense Reimbursement. FTD shall reimburse you, in
accordance with the policies from time to time in effect for other employees of
FTD, for all reasonable and necessary travel expenses and other disbursements
made or incurred by you, for or on behalf of FTD or IOS, in the performance of
your duties under this Agreement.

         Immediate Vesting of Awards Upon Change of Control.

                  (a) In the event a Change of Control occurs during your
employment, notwithstanding any provision of this Agreement or any other
agreement governing any equity incentive awards held by you, any outstanding
stock options or restricted stock awards granted by IOS, FTD or any subsidiary
of either company shall vest in full and become immediately exercisable, and any
restrictions relating thereto shall lapse, upon the occurrence of such Change of
Control. For purposes of this agreement, "Change of Control" shall mean:

                  (i)      the acquisition by any individual, entity or group
                           (within the meaning of Section 13(d)(3) or 14(d)(2)
                           of the Securities Exchange Act of 1934 (the "Exchange
                           Act")) (a "Person") of beneficial ownership (within
                           the meaning of Rule 13d-3 promulgated under the
                           Exchange Act) of more than 50% of the combined voting
                           power of the then-outstanding voting securities
                           entitled to vote generally in the election of
                           directors ("Voting Stock") of IOS or FTD,
                           respectively; provided, however, that for purposes
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Employment Agreement Between IOS and Robert Norton
April 12, 2001
Page 3 of 9
                           of this subsection (i), the following acquisitions
                           shall not constitute a Change of Control: (A) any
                           acquisition directly from IOS or FTD, (B) any
                           acquisition by IOS, FTD, any subsidiary of IOS or FTD
                           or any employee benefit plan (or related trust)
                           sponsored or maintained by IOS or FTD or any such
                           subsidiary or (C) any acquisition by any of Perry
                           Acquisition Partners, L.P., Bain Capital, Inc., Fleet
                           Private Equity Co. Inc. or any of their respective
                           affiliates;

                  (ii)     a change in a majority of the members of the Board of
                           Directors of IOS or FTD, respectively, occurs (A)
                           within one year following the public announcement of
                           an actual or threatened election contest (within the
                           meaning of Rule 14a-11 under the Exchange Act) or the
                           filing of a Schedule 13D or other public announcement
                           indicating a Person intends to effect a change in
                           control of IOS or FTD or (B) as a result of a
                           majority of the members of the Board having been
                           proposed, designated or nominated by a Person (other
                           than IOS or FTD through their respective Boards of
                           Directors or duly authorized committees thereof or
                           through the exercise of contractual rights);

                  (iii)    consummation of a reorganization, merger or
                           consolidation or sale or other disposition of all or
                           substantially all of the assets of IOS or FTD (a
                           "Business Combination"), in each case, unless,
                           following such Business Combination, (A) more than
                           50% of the Voting Stock of the entity resulting from
                           such Business Combination is held in the aggregate by
                           (1) the holders of securities entitled to vote
                           generally in the election of directors of IOS or FTD
                           immediately prior to such transaction, (2) any
                           employee benefit plan (or related trust) sponsored or
                           maintained by IOS or FTD or such entity or any
                           subsidiary of any of them or (3) any of Perry
                           Acquisition Partners, L.P., Bain Capital, Inc., Fleet
                           Private Equity Co. Inc. or any of their respective
                           affiliates and (B) at least half of the members of
                           the board of directors of the entity resulting from
                           such Business Combination were members of the Board
                           of Directors of IOS or FTD at the time of the
                           execution of the initial agreement, or the action of
                           the Board of Directors of IOS or FTD, providing for
                           such Business Combination; or

                  (iv)     approval by the stockholders of IOS or FTD of a
                           complete liquidation or dissolution of IOS or FTD.

                  (b) If, during your employment, a Change in Control occurs
that does not involve the direct acquisition of shares of capital stock of
FTD.COM INC. ("FTD.COM"), then, at your election upon written notice given to
IOS not more than 30 days after such Change in Control, you may exchange any
shares of capital stock of FTD.COM owned by you (including any shares subject to
options that vest or restricted stock that vests as a result of such Change in
Control transaction) for an amount in cash equal to the ten day trailing average
closing price for

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Employment Agreement Between IOS and Robert Norton
April 12, 2001
Page 4 of 9

such shares as quoted on the principal exchange or trading system on which such
shares are then listed or traded (or if such shares are not so listed or traded
at the fair market value as determined in good faith by the Board of Directors
of IOS at the time of such Change in Control); such cash amount to be offset by
an amount equal to any exercise price applicable to any such shares.

                  Payment of Promissory Notes and Gross Up Payment. Upon the
occurrence of a Change of Control during your employment, FTD shall cancel and
forgive all remaining obligations and liabilities you have that are evidenced by
any and all promissory notes payable by you to IOS or FTD and IOS shall be
obligated to make "gross up payments" to the extent required by law to cover
certain tax obligations in the manner contemplated by Exhibit A hereto.

                  Severance. IOS and FTD shall have the right to terminate your
employment by giving you written notice of the effective date of the
termination. If your employment is terminated (a) without "cause" by IOS or FTD
or (b) by you following your assignment to a position that represents a material
diminution in your operating responsibilities (it being understood that a change
in your title shall not by itself entitle you to terminate your employment and
receive the right to severance payments under this paragraph), FTD will pay you
continued salary for 24 months from the effective date of any such termination
under clause (a) or (b) above ("Termination Date"). FTD's obligations to make
continuing salary payments shall be subject to your best efforts to mitigate,
and you will promptly inform IOS and FTD of any subsequent employment. In
addition to the foregoing continued salary payments, on the Termination Date,
FTD shall cause you to be entitled to accelerated vesting of any options to
purchase capital stock of IOS, FTD or any subsidiary of either company (with
unrestricted rights to exercise any such stock options) and vesting of all
capital stock of IOS, FTD or any subsidiary of either company subject to
forfeiture under restricted stock awards in the same manner and extent as would
be the case in the event of a Change of Control. Your participation (including
dependent coverage) in any life, disability, group health and dental benefit
plans provided by FTD, in effect immediately prior to the Termination Date,
shall be continued after the Termination Date, in accordance with FTD policy
relating to such plans as of the Termination Date, until the earlier of (i) the
end of the 24-month severance period or (ii) the date on which you accept other
full-time employment. Following the Termination Date, neither IOS nor FTD shall
be obligated to (1) provide business accident insurance covering you or (2) make
contributions on your behalf to any qualified retirement and pension plans or
profit sharing plans.

                  For purposes of this Agreement, "cause" means any of the
following events that the IOS or FTD Board of Directors has determined, in good
faith, has occurred: (i) your continual or deliberate neglect of the performance
of your material duties; (ii) your failure to devote substantially all of your
working time to the business of IOS and its subsidiaries or affiliated
companies; (iii) your engaging willfully in misconduct in connection with the
performance of any of your duties, including, without limitation, the
misappropriation of funds or securing or attempting to secure personally any
profit in connection with any transaction entered into on behalf of IOS or its
subsidiaries or affiliated companies; (iv) your willful breach of any
confidentiality or nondisclosure agreements with IOS or FTD (including this
Agreement)

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Employment Agreement Between IOS and Robert Norton
April 12, 2001
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or your violation, in any material respect, of any code or standard of behavior
generally applicable to employees or executive employees of IOS or FTD; (v) your
violation of the separate confidentiality and non-competition agreement
described below and attached hereto as Exhibit B; or (vi) your engaging in
conduct that results in material injury to the reputation of IOS or its
subsidiaries or affiliated companies such as conviction for a felony or crime
involving fraud under Federal, state or local laws, or embezzlement.

                  Confidential Information and Non-Competition. You agree that
the separate agreement between you and FTD (attached hereto as Exhibit B and
made a part hereof, which provides for (a) non-disclosure of confidential
information, (b) non-competition and (c) non-solicitation of customers,
suppliers and employees) shall remain in full force and effect until three years
after your employment with FTD is terminated.

                  Successors and Assigns. This Agreement shall be binding upon
and inure to the benefit of the parties hereto and their successors and assigns.

                  Miscellaneous. This Agreement shall be governed by the laws of
the State of Illinois, without regard to the conflicts-of-laws principles
thereof. You, IOS and FTD consent to jurisdiction and venue in any federal or
state court located in Chicago, Illinois. This Agreement and the accompanying
Exhibits A and B state our entire agreement and understanding regarding your
employment with IOS and FTD. This Agreement may be amended only by a written
document signed by each of you, IOS and FTD. No delay or failure to exercise any
right under this Agreement shall serve as a waiver of any such right. If any
provision of this Agreement is held to be partially or completely invalid or
unenforceable, then that provision shall only be ineffective to such extent of
its invalidity of unenforceability, and the validity or enforceability of any
other provision of this Agreement shall not be affected.

                           [intentionally left blank]
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Employment Agreement Between IOS and Robert Norton
April 12, 2001
Page 6 of 9

                  Any controversy relating to this Agreement shall be settled by
arbitration in Chicago, Illinois in accordance with the commercial arbitration
rules of the American Arbitration Association, except as otherwise provided in
the confidentiality and non-competition agreement attached hereto as Exhibit B
and made a part hereof. In the event of any inconsistency between this Agreement
and any personnel policy or manual of FTD with respect to any matter, this
Agreement shall govern the matter. You shall be entitled to be reimbursed for
your reasonable costs and expenses, including attorneys' fees, incurred in
connection with the enforcement of your rights under this Agreement to the
extent that you prevail in any such controversy.

                                            Sincerely,

                                            Richard C. Perry
                                            Director
                                            IOS Brands Corporation
                                            Florists' Transworld Delivery, Inc.
Accepted as of this
_____day of March, 2001

________________________________
Robert L. Norton

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Employment Agreement Between IOS and Robert Norton
April 12, 2001
Page 7 of 9

                                                                       Exhibit A

                  2. Certain Additional Payments by IOS. (a) Notwithstanding any
         other provision of the employment agreement to the contrary, in the
         event that it shall be determined (as hereafter provided) that any
         payment (other than the Gross-Up Payment (as defined below) provided
         for in this Exhibit A) or distribution by IOS or any of its
         subsidiaries or affiliates to or for your benefit, whether paid or
         payable or distributed or distributable pursuant to the terms of this
         Agreement or otherwise pursuant to or by reason of any other agreement,
         plan, policy, program or arrangement, including but not limited to any
         stock option, performance share, performance unit, stock appreciation
         right or similar right, or the lapse or termination of any restriction
         on or the vesting or exercisability of any of the foregoing (a
         "Payment"), would be subject to the excise tax imposed by Section 4999
         of the Internal Revenue Code of 1986, as amended (the "Code") (or any
         successor provision thereto), by reason of being considered "contingent
         on a change in ownership or control" of IOS, within the meaning of
         Section 280G of the Code (or any successor provision thereto), or to
         any similar tax imposed by state or local law, or any interest or
         penalties with respect to such tax (such tax or taxes, together with
         any such interest and penalties, being hereafter collectively referred
         to as the "Excise Tax"), then you shall be entitled to receive an
         additional payment or payments (collectively, a "Gross-Up Payment").
         The Gross-Up Payment shall be in an amount such that, after payment by
         you of all taxes (including any interest or penalties imposed with
         respect to such taxes), including any Excise Tax imposed upon the
         Gross-Up Payment, you retain an amount of the Gross-Up Payment equal to
         the Excise Tax imposed upon the Payment.

                  (b) Subject to the provisions of paragraph (f) below, all
         determinations required to be made under this Exhibit A, including
         whether any Excise Tax is payable by you and the amount of any such
         Excise Tax and whether a Gross-Up Payment is required to be paid by IOS
         to you and the amount of any such Gross-Up Payment, shall be made by a
         nationally recognized accounting firm other than KPMG LLP (the
         "Accounting Firm") selected by you in your sole discretion. You shall
         direct the Accounting Firm to submit its determination and detailed
         supporting calculations to both IOS and you within 30 calendar days
         after the termination of your employment, if applicable, and any such
         other time or times as may be requested by IOS or you. If the
         Accounting Firm determines that any Excise Tax is payable by you, IOS
         shall pay the required Gross-Up Payment to you within five business
         days after receipt of such determination and calculations with respect
         to any Payment to you. If the Accounting Firm determines that no Excise
         Tax is payable by you, it shall deliver to IOS and you at the same time
         as it makes such a determination an opinion that you have substantial
         authority not to report any Excise Tax on his federal, state or local
         income or other tax return. As a result of the uncertainty in the
         application of Section 4999 of the Code (or any successor provision
         thereto) and the possibility of similar uncertainty regarding
         applicable state or local tax law at the time of any determination by
         the Accounting Firm hereunder, it is possible that Gross-Up Payments
         that shall not have been made by IOS should have been made (an
         "Underpayment"), consistent with the calculations required to be made
         hereunder. In the event that IOS exhausts or fails to pursue its
         remedies pursuant to paragraph (f) below and you thereafter are
         required to make a payment of any Excise Tax, you shall direct the
         Accounting Firm to determine the amount of the
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Employment Agreement Between IOS and Robert Norton
April 12, 2001
Page 8 of 9

         Underpayment that has occurred and to submit its determination and
         detailed supporting calculations to both IOS and you as promptly as
         possible. Any such Underpayment shall be promptly paid by IOS to, or
         for the benefit of, you within five business days after receipt of such
         determination and detailed supporting calculations.

                  (c) IOS and you shall each provide the Accounting Firm access
         to and copies of any books, records and documents in the possession of
         IOS or you, as the case may be, reasonably requested by the Accounting
         Firm and shall otherwise cooperate with the Accounting Firm in
         connection with the preparation and issuance of the determinations and
         calculations contemplated by paragraph (b) above. Any determination by
         the Accounting Firm as to the amount of the Gross-Up Payment shall be
         final, conclusive and binding upon IOS and you.

                  (d) The federal, state and local income or other tax returns
         filed by you shall be prepared and filed on a consistent basis with the
         determination of the Accounting Firm with respect to any Excise Tax
         payable by you. You shall make proper payment of the amount of any
         Excise Tax and, at the request of IOS, shall provide to IOS true and
         correct copies (with any amendments) of your federal income tax return
         as filed with the Internal Revenue Service and any relevant
         corresponding state and local tax returns as filed with the applicable
         taxing authority, and such other documents reasonably requested by IOS,
         evidencing such payment. If prior to the filing of your federal income
         tax return or any relevant corresponding state or local tax return, the
         Accounting Firm determines that the amount of the Gross-Up Payment
         should be reduced, you shall within five business days pay to IOS the
         amount of such reduction.

                  (e) The fees and expenses of the Accounting Firm for its
         services in connection with the determinations and calculations
         contemplated by paragraph (b) above shall be borne by IOS. If such fees
         and expenses are initially paid by you, IOS shall reimburse you the
         full amount of such fees and expenses within five business days after
         receipt from you of a statement therefor and reasonable evidence of
         your payment thereof.

                  (f) You shall notify IOS in writing of any claim by the
         Internal Revenue Service or any other taxing authority that, if
         successful, would require the payment by IOS of a Gross-Up Payment.
         Such notification shall be given as promptly as practicable but no
         later than ten business days after you actually receive notice of such
         claim and you shall further apprise IOS of the nature of such claim and
         the date on which such claim is requested to be paid (in each case, to
         the extent known by you). You shall not pay such claim prior to the
         earlier of (i) the expiration of the 30-calendar-day period following
         the date on which he gives such notice to IOS and (ii) the date that
         any payment of any amount with respect to such claim is due. If IOS
         notifies you in writing prior to the expiration of such period that it
         desires to contest such claim, you shall:

                      (1)    provide IOS with any written records or documents
                             in his possession relating to such claim reasonably
                             requested by IOS;

                      (2)    take such action in connection with contesting such
                             claim as IOS shall reasonably request in writing
                             from time to time, including but
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Employment Agreement Between IOS and Robert Norton
April 12, 2001
Page 9 of 9
                             not limited to accepting legal representation with
                             respect to such claim by an attorney competent in
                             respect of the subject matter and reasonably
                             selected by IOS;

                      (3)    cooperate with IOS in good faith in order to
                             effectively contest such claim; and

                      (4)    permit IOS to participate in any proceedings
                             relating to such claim;

provided, however, that IOS shall bear and pay directly all costs and expenses
(including interest and penalties) incurred in connection with such contest and
shall indemnify and hold harmless you, on an after-tax basis, from and against
any Excise Tax or income tax, including interest and penalties with respect
thereto, imposed as a result of such representation and payment of costs and
expenses. Without limiting the foregoing provisions of this paragraph (f), IOS
shall control all proceedings taken in connection with the contest of any claim
contemplated by this paragraph (f) and, at its sole option, may pursue or forego
any and all administrative appeals, proceedings, hearings and conferences with
the taxing authority in respect of such claim (provided that you may participate
therein at your own cost and expense) and may at its option either direct you to
pay the tax claimed and sue for a refund or contest the claim in any permissible
manner, and you agree to prosecute such contest to a determination before any
administrative tribunal, in a court of initial jurisdiction and in one or more
appellate courts, as IOS shall determine; provided, however, if IOS directs you
to pay the tax claimed and sue for a refund, IOS shall advance the amount of
such payment to you on an interest-free basis and shall indemnify and hold you
harmless, on an after-tax basis, from any Excise Tax or income or other tax,
including interest or penalties with respect thereto, imposed with respect to
such advance; provided further, however, that any extension of the statute of
limitations relating to payment of taxes for your taxable year with respect to
which the contested amount is claimed to be due is limited solely to such
contested amount. Furthermore, IOS control of any such contested claim shall be
limited to issues with respect to which a Gross-Up Payment would be payable
hereunder and you shall be entitled to settle or contest, as the case may be,
any other issue raised by the Internal Revenue Service or any other taxing
authority.

If, after the receipt by you of an amount advanced by IOS pursuant to paragraph
(f) above, you receive any refund with respect to such claim, you shall (subject
to IOS complying with the requirements of paragraph (f) above) promptly pay to
IOS the amount of such refund (together with any interest paid or credited
thereon after any taxes applicable thereto). If, after the receipt by you of an
amount advanced by IOS pursuant to paragraph (f) above, a determination is made
that you shall not be entitled to any refund with respect to such claim and IOS
does not notify you in writing of its intent to contest such denial or refund
prior to the expiration of 30 calendar days after such determination, then such
advance shall be forgiven and shall not be required to be repaid and the amount
of any such advance shall offset, to the extent thereof, the amount of Gross-Up
Payment required to be paid by IOS to you pursuant to this Exhibit A.<PAGE>   1
                                                                   EXHIBIT 10.30

                     MANAGEMENT CHANGE IN CONTROL AGREEMENT

         MANAGEMENT CHANGE IN CONTROL AGREEMENT entered into this 16th day of
April, 2001, by and among Concord Communications, Inc., a Massachusetts
corporation ("Concord"), and the undersigned employee of Concord, John F.
Hamilton (the "Employee").

                                   WITNESSETH:

         WHEREAS, Concord and the Employee desire to set forth certain terms and
conditions relating to benefits to be afforded to Employee upon the occurrence
of a Change in Control (as hereinafter defined) of Concord;

         NOW THEREFORE, in consideration of the premises and of the mutual
covenants and agreements hereinafter set forth, the parties hereto hereby agree
as follows:

         1. SEVERANCE AND OPTION ACCELERATION. (a) during the Term (as
hereinafter defined), if within six (6) months of a Change in Control of
Concord, Concord (or any successor corporation) terminates (each, a "Termination
Event") the Employee's employment without Cause (as hereinafter defined) or the
employee voluntarily terminates his employment for Good Reason (as hereinafter
defined), the Employee shall receive a single severance payment in cash in an
amount equal to six months' base annual salary (at the rate being paid to him
immediately prior to such termination) (the "Severance Benefit"). The employee
shall not be entitled to continue to receive (i) any other salary or bonus in
the event of a termination for any reason or (ii) any other employee benefits
(other than those specified in the following sentence) in the event of a
termination for any reason. Notwithstanding the foregoing, Concord shall
continue to pay Concord's share of the Employee's health insurance in accordance
with Concord's general policies for a period of six months following any
Termination Event.

         (b)      "Good Reason" means the occurrence of one or more of the
following events during the term and following a Change in Control:

                         (i) Without the Employee's express written consent,
                  Concord shall reduce the Employee's duties and
                  responsibilities from those assigned to the Employee
                  immediately prior to the Change in Control; or

                         (ii) Without the Employee's express written consent,
                  Concord shall require the Employee to have his principal
                  location of work changed to any location which is in excess of
                  60 miles from the location thereof immediately prior to the
                  Change in Control; or

                         (iii) Without the Employee's express written consent,
                  Concord shall materially reduce the Employee's benefits under
                  existing benefit plans, unless there is a concurrent reduction
                  uniformly among all persons entitled to such benefits.

         (c) Effective upon the date immediately following any Change in Control
of Concord, the "Full Vest" date(s) set forth in each of the employee's then
outstanding Notice of Option Grant shall be automatically accelerated by
twenty-four (24) months. Notwithstanding the foregoing, if within twenty-four
(24) months after a Change in Control there is a Termination Event, all of the
Employee's unvested options (but only such options as have been granted to the
Employee by Concord as of the date of the Change in Control or such options as
have been exchanged by the Employee for new options in any acquiring company at
the time of a change in Control) shall automatically become fully vested as of
the date of such Termination Event.

         (d) For purposes of this Agreement, a "Change in Control" shall have
occurred if at any time any of the following events shall occur:

                           (A) Concord is merged, consolidated or reorganized
                     into or with another corporation or other legal person, and
                     as a result of such merger, consolidation or reorganization
                     less than a majority of the combined voting power of the
                     then-outstanding securities of the combined corporation or
                     person immediately after such transaction are held in the
                     aggregate by the holders of the combined voting power of
                     the then-outstanding

                                       27
<PAGE>   2

                     securities entitled to vote generally in the election of
                     directors of Concord ("Voting Stock") immediately prior
                     to such transaction;

                           (B) Concord sells or otherwise transfers all or
                     substantially all of its assets to any other corporation or
                     other legal person, and less than a majority of the
                     combined voting power of the then-outstanding securities of
                     such corporation or person immediately after such sale or
                     transfer is held in the aggregate by the holders of the
                     Voting Stock of concord immediately prior to such sale or
                     transfer;

                           (C) There is a report filed on Schedule 13D or
                     Schedule 14D-1 (or any successor schedule, form or report),
                     each as promulgated pursuant to the Exchange Act of 1934
                     (the "1934 Act"), disclosing that any person (as the term
                     "person" is used in Section 13(d)(3) or Section 14(d)(2) of
                     the 1934 Act) has become the beneficial owner (as the term
                     "beneficial owner" is defined under Rule 13d-3 or any
                     successor rule or regulation promulgated under the 1934
                     Act) of securities representing 33% or more of the Voting
                     Stock; or

                           (D) Concord files a report or proxy statement with
                     the Securities and Exchange Commission pursuant to the 1934
                     Act disclosing in response to Form 8-K or Schedule 14A (or
                     any successor schedule, form or report or item therein)
                     that a change in control of Concord has or may have
                     occurred or will or may occur in the future pursuant to any
                     then-existing contract or transaction.

PROVIDED, HOWEVER, that notwithstanding the foregoing provisions of this Section
1, a "Change in Control" shall not be deemed to have occurred for purposes of
this Agreement solely because (i) Concord, (ii) an entity in which Concord
directly or indirectly beneficially owns 50% or more of the voting securities,
(iii) any Concord sponsored employee stock ownership plan or any other employee
benefit plan of Concord, or (iv) any corporation or legal person approved by the
Board of Directors prior to the occurrence of the event that, absent such
approval by the Board of Directors, would have constituted a Change in Control,
either files or becomes obligated to file a report or a proxy statement under or
in response to Schedule 13D, Schedule 14D-1, Form 8-K or Schedule 14A (or any
successor schedule, form or report or item therein) under the 1934 Act,
disclosing beneficial ownership by it of shares of Voting Stock, whether in
excess of 33% or otherwise, or because Concord reports that a change in control
of Concord has or may have occurred or will or may occur in the future by reason
of such beneficial ownership.

         (e) Notwithstanding anything to the contrary in this Agreement, if the
Employee is a Disqualified Individual (as defined in Section 280G of the
Internal Revenue Code of 1986, as amended (the "Code")) and if any portion of
any acceleration of vesting, payment or transfer of property under this
Agreement would be an Excess Parachute Payment (as defined in Section 280G of
the Code) but for the application of this sentence, then the amount of such
acceleration, payment or transfer otherwise payable to the Employee pursuant to
this Agreement shall be reduced to the minimum extent necessary (but in no event
to less than zero) so that no portion of such payment, as so reduced,
constitutes an Excess Parachute Payment; provided, however, that no reduction
shall be made if the net economic effect would be disadvantageous to the
Employee, taking into account all the facts and circumstances including any tax
savings resulting from the reduction.

         2. TERMINATION. (a) Concord  may, immediately and unilaterally,
terminate the Employee's employment hereunder for "cause" at any time. As used
in this Agreement, the term "cause" shall mean:

                           (i) the Employee's willful and substantial misconduct
                     with respect to the business and affairs of Concord, or
                     any  subsidiary or affiliate thereof;

                           (ii) the Employee's gross neglect of duties,
                     dishonesty, deliberate disregard of any material rule or
                     policy of Concord or the commission by the Employee of any
                     other action with the intent to injure Concord, or any
                     subsidiary or affiliate thereof;

                           (iii) the Employee's commission of an act involving
                     embezzlement or fraud or commission of a felony; or

                           (iv) the commission of an act which induces any
                     customer of Concord to breach a contract or purchase order
                     with Concord, or any subsidiary or affiliate thereof.

         In the event of a termination for "cause" as described herein, the
Employee shall not be entitled to severance or other termination benefits,
including, without limitation, the benefits described in Section 1 herein.

                                       28
<PAGE>   3

         (b) The Employee's employment shall automatically terminate upon his
death and may be terminated by Concord due to his disability. If the Employee
dies or his employment is terminated due to disability during the Term, then
Employee shall be eligible for such benefits as shall apply to employees of
Concord generally under such circumstances at the time of such termination.

         As used in this Agreement, the term "disability" shall mean the
occurrence of a mental or physical condition which renders the Employee
incapable of performing his duties for a total of six consecutive months.

         (c) The Employee understands that, prior to any Change in Control,
Concord may terminate the Employee with or without "Cause" at any time.
Following any Change in Control, Concord may also terminate the Employee with or
without "cause" at any time subject to the Employee's rights and Concord's
obligations specified in this Agreement.

         3. NO OBLIGATION OF EMPLOYMENT. Employee understands that the
employment relationship between Employee and Concord will be "at will" and that
Concord may terminate such relationship with or without cause or for any reason
or no reason.

         4. NONCOMPETITION AGREEMENT. Employee shall execute concurrently
herewith the form of Noncompetition Agreement attached hereto as EXHIBIT A.

         5. CONSENT AND WAIVER BY THIRD PARTIES. The Employee hereby represents
and warrants that he has obtained all waivers and/or consents from third parties
which are necessary to enable him to execute and perform this Agreement without
being in conflict with any other agreement, obligation or understanding with any
such third party.

         6. GOVERNING LAW. This Agreement shall be governed by and construed in
accordance with the internal laws of the Commonwealth of Massachusetts and this
Agreement shall be deemed to be performable in Massachusetts. 7. SEVERABILITY.
In case any one or more of the provisions contained in this Agreement for any
reason shall be held to be invalid, illegal or unenforceable in any respect,
such invalidity, illegality or unenforceability shall not affect any other
provision of this Agreement and this Agreement shall be construed to the maximum
extent permitted by law.

         8. WAIVERS AND MODIFICATIONS. This Agreement may be modified, and the
rights, remedies and obligations contained in any provision hereof may be
waived, only in accordance with this Section 8. No waiver by either party of any
breach by the other or any provision hereof shall be deemed to be a waiver of
any later or other breach thereof or as a waiver of any other provision of this
Agreement. This Agreement sets forth all of the terms of the understandings
between the parties with reference to the subject matter set forth herein and
may not be waived, changed, discharged or terminated orally or by any course of
dealing between the parties, but only by an instrument in writing signed by the
party against whom any waiver, change, discharge or termination is sought.

         9. ASSIGNMENT. The Employee may not assign any of his rights or
delegate any of his duties or obligations under this Agreement. The rights and
obligations of Concord under this Agreement shall inure to the benefit of, and
shall be binding upon, the successors and assigns of Concord.

         10. ENTIRE AGREEMENT. This Agreement constitutes the entire
understanding of the parties relating to the subject matter hereof and
supersedes and cancels all agreements, written or oral, made prior to the date
hereof between the Employee and Concord relating to the subject matter hereof;
provided, however, that the Employee's existing option agreements, as modified
hereby, shall remain in effect.

         11. NOTICES. All notices hereunder shall be in writing and shall be
delivered in person or mailed by certified or registered mail, return receipt
requested, addressed as follows:

         If to Concord, to:         Concord Communications, Inc.
                                    600 Nickerson Road
                                    Marlboro, MA 01752
                                    Attention:  John A. Blaeser

                                    With a copy to:
                                    Concord Communications, Inc.
                                    600 Nickerson Road
                                    Marlboro, MA 01752
                                    Attention:  General Counsel

                                       29
<PAGE>   4

         If to the Employee, at the Employee's address set forth on the
signature page hereto.

         12. COUNTERPARTS. This Agreement may be executed in two or more
counterparts, each of which shall be deemed to be an original, but all of which
together shall constitute one and the same instrument.

         13. SECTION HEADINGS. The descriptive section headings herein have been
inserted for convenience only and shall not be deemed to define, limit, or
otherwise affect the construction of any provision hereof.

         14. TERM. The term of this Agreement (the "Term") shall commence upon
the date hereof and terminate upon the earlier of (i) twenty-four (24) months
following any Change in Control of Concord, (ii) the date prior to any Change in
Control of Concord that the employee for any reason ceases to be an employee of
Concord and (iii) the date following any Change in Control of Concord that the
Employee is terminated for Cause or voluntary terminates his employment (other
than for Good Reason).

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

                                       30

<PAGE>   5

         IN WITNESS WHEREOF, the parties have executed this Agreement as of the
day and year first above written.

                                             CONCORD COMMUNICATIONS, INC.

                                             By: /s/ John A. Blaeser
                                                --------------------------------
                                                  Name:  John A. Blaeser
                                                  Title:  President

                                             EMPLOYEE

                                             /s/ John F. Hamilton
                                             -----------------------------------
                                             Name: John F. Hamilton
                                                   Address:

                                       31

<PAGE>   6
                        EMPLOYEE NONCOMPETITION AGREEMENT

         In consideration and as a condition of my continued employment, I
hereby agree with Concord communications, Inc. ("Concord") as follows:

         1. During the period of my employment by Concord (the "Employment
Period"), I will devote my full working time and best efforts to the business of
Concord. Further, (i) for as long as I am an employee of Concord and (ii) for
the period beginning as of the date of the occurrence of a change in Control
through and including the date to occur which is six months following the date
upon which I am no longer an employee of Concord, I agree that I will not,
directly or indirectly, alone or as a partner, officer, director, employee or
stockholder of any entity (except that I may own not more than 1% of the
outstanding shares of any publicly-traded company), engage in any business
activity which is in competition with the products or services being developed,
manufactured or sold by Concord. The provisions of clause (ii) of the preceding
sentence shall (A) apply only if following a Change in Control my employment
with Concord shall have been terminated (1) without cause or for cause pursuant
to Section 2 of my Management Change in Control Agreement of even date herewith
or (2) for "Good Reason" (as that term is defined in my Management Change in
Control Agreement) and (B) not apply if i shall have voluntarily terminated my
employment with Concord. The period following the termination of my employment
during which the restrictions described above shall apply (the "Post-employment
Period") shall be extended by the length of any period of time during the
Post-employment Period during which I am in violation of this paragraph. Nothing
contained herein shall exclude me from participating in civic, charitable,
religious or non-profit activities so long as such activities do not interfere
with the performance of my duties to Concord.

         2. I agree that any breach of this Agreement by me will cause
irreparable damage to Concord and that in the event of such breach Concord shall
have, in addition to any and all remedies of law, the right to an injunction,
specific performance or other equitable relief to prevent the violation of my
obligations hereunder. I further agree and acknowledge that the post-employment
non-competition provision set forth in Paragraph 1 hereof, and the remedies set
forth in this paragraph, are necessary and reasonable to protect the business of
Concord.

         3. I understand that this Agreement does not create an obligation on
Concord or any other person or entity to continue my employment.

         4. No claim of mine against Concord shall serve as a defense against
Concord's enforcement of any provision of this Agreement.

         5. I hereby represent that I am not a party to, or bound by the terms
of, any agreement with any previous employer, other than Concord, or other party
to refrain from using or disclosing any trade secret or confidential or
proprietary information in the course of my employment with Concord or to
refrain from competing, directly or indirectly, with the business of such
previous employer or any other party, which would prevent me from performing
services to or for Concord in any material way. I further represent that my
performance of all the terms of this Agreement and as an employee of Concord
does not and will not breach any agreement to keep in confidence proprietary
information, knowledge or data acquired by me in confidence or in trust prior to
my employment with Concord, and I will not disclose to Concord or induce Concord
to use any confidential or proprietary information or material belonging to any
previous employer or others. I have not entered into, and I agree I will not
enter into, any agreement, either written or oral, in conflict with the terms of
this Agreement.

         6. Any waiver by Concord of a breach of any provision of this Agreement
shall not operate or be construed as a waiver of any subsequent breach of such
provision or any other provision hereof.

         7. I hereby agree that each provision herein shall be treated as a
separate and independent clause, and the unenforceability of any one clause
shall in no way impair the enforceability of any of the other clauses herein.
Moreover, if one or more of the provisions contained in this Agreement shall for
any reason be held to be excessively broad as to scope, activity, subject or
otherwise so as to be unenforceable at law, such provision or provisions shall
be construed by the appropriate judicial body by limiting or reducing it or
them, so as to be enforceable to the maximum extent compatible with the
applicable law as it shall then appear.

         8. My obligations under this Agreement shall survive the termination of
my employment regardless of the manner of such termination.

                                       32
<PAGE>   7

         9. The term "Concord" as used herein shall also include Concord's
subsidiaries, subdivisions or affiliates. Concord shall have the right to assign
this Agreement to its successors and assigns, and all covenants and agreements
hereunder shall inure to the benefit of and be enforceable by said successors or
assigns.

10. This Agreement shall be governed by and construed in accordance with the
internal laws of the Commonwealth of Massachusetts. Any claims or legal actions
by one party against the other arising out of the relationship between the
parties contemplated herein (whether or not arising under this Agreement) shall
be governed by the laws of the Commonwealth of Massachusetts and shall be
commenced and maintained in any state or federal court located in Massachusetts,
and both parties hereby submit to the jurisdiction and venue of any such court.

11. Capitalized terms used herein and not otherwise defined shall have the
meanings provided in the Management Change in Control Agreement of even date
herewith.

                                       33

<PAGE>   8

         IN WITNESS WHEREOF, the undersigned has executed this Agreement as of
the 16th day of April, 2001.

                                           /s/ John F. Hamilton
                                           -------------------------------------
                                           Name: John F. Hamilton

                                       34

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