HACH CO
8-K, 1999-05-04
LABORATORY ANALYTICAL INSTRUMENTS
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<PAGE>

                          SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C.  20549



                                       FORM 8-K
                                    CURRENT REPORT


                          Pursuant to Section 13 or 15(d) of
                         the Securities Exchange Act of 1934



                                   April 21, 1999
                                   --------------
                   Date of Report (Date of earliest event reported)

                                    Hach Company
                          ------------------------------
                (Exact name of registrant as specified in its charter)

           Delaware                0-3947               42-0704420
     -----------------------     ----------       -------------------
     (State of incorporation)   (Commission         (IRS Employer
                                  File No.)       Identification No.)

                  5600 Lindbergh Drive, Loveland, Colorado 80537
                 ---------------------------------------------------------
                 (Address of principal executive offices)       (Zip code)

                                    (970) 669-3050
                       ---------------------------------------
                  Registrant's telephone number, including area code


<PAGE>

ITEM 5.  OTHER EVENTS.

     On April 21, 1999, Hach Company ("Hach") entered into a definitive 
merger agreement pursuant to which Hach will become a wholly-owned subsidiary 
of Danaher Corporation ("Danaher").  The merger agreement provides that Hach 
shareholders will receive .2987 of a share of Danaher common stock, par value 
$.01 per share, for each share of Hach common stock and Class A common stock. 
The merger is valued at approximately $18.50 per share to Hach shareholders, 
or approximately $325 million, based upon the closing price per share of 
Danaher common stock on April 21, 1999, the last trading day prior to 
announcement of entry into the merger agreement.  The transaction is expected 
to be tax-free to the Hach shareholders.

     The merger is intended to be accounted for as a pooling of interests, 
and its consummation is subject to regulatory review and other customary 
conditions, including, among other things, regulatory and governmental 
approvals.  

     In connection with the execution of the merger agreement, certain 
stockholders of Hach have signed and delivered a stockholder support 
agreement to Danaher with respect to the transaction, pursuant to which on 
April 21, 1999, as holders of a majority of the outstanding voting stock of 
Hach, acting by written consent under Section 228 of the Delaware General 
Corporation Law, they have adopted and approved the merger agreement and the 
merger.  Danaher will also provide registration rights to certain Hach 
stockholders following the merger.  Copies of the stockholders support 
agreement and the written consent and the form of registration rights 
agreement are filed as exhibits to this Form 8-K.

     The foregoing description of the merger agreement, stockholders support 
agreement, written consent of stockholders of Hach and form of registration 
rights agreement is qualified in its entirety by reference to the merger 
agreement, a copy of which is attached hereto as Exhibit 2.1, the 
stockholders support agreement, a copy of which is attached hereto as Exhibit 
99.1, and the written consent, a copy of which is attached hereto as Exhibit 
99.2, and the form of registration rights agreement, a copy of which is 
attached hereto as Exhibit 99.3, each of which is incorporated herein by 
reference.

     Hach issued a press release regarding the transaction which is attached 
as Exhibit 99.4 and incorporated herein by reference.

ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS.

     (c)  Exhibits

          EXHIBIT 2.1 -- Agreement and Plan of Merger dated as of April 21, 1999
          by and among Danaher Corporation, H(2)O Acquisition Corp. and Hach
          Company

          EXHIBIT 99.1 -- Stockholders Support Agreement dated as of April 21,
          1999 by and among Danaher Corporation, Kathryn C. Hach-Darrow and
          Bruce Hach


                                     -2-

<PAGE>

          EXHIBIT 99.2 -- Written Consent of Stockholders of Hach Company dated
          April 21, 1999

          EXHIBIT 99.3 -- Form of Registration Rights Agreement
          
          EXHIBIT 99.4 -- Press Release dated April 22, 1999 issued by Hach
          Company


                                     -3-

<PAGE>

                                     SIGNATURES


     Pursuant to the requirements of the Securities Exchange Act of 1934, the 
registrant has duly caused this Current Report on Form 8-K to be signed on 
its behalf by the undersigned hereunto duly authorized.

                                   HACH COMPANY


Date:  April 28, 1999           By:  /s/ Bruce J. Hach 
                                     ------------------------
                                     Bruce J. Hach, President


                                     -4-

<PAGE>

                                                                 EXHIBIT 2.1





                                          
                            AGREEMENT AND PLAN OF MERGER
                                          
                                          
                                          
                             Dated as of April 21, 1999
                                          
                                          
                                       Among
                                          
                                          
                                DANAHER CORPORATION,
                                          
                                          
                               H(2)O ACQUISITION CORP.
                                          
                                          
                                        And
                                          
                                          
                                    HACH COMPANY
                                          

                                     
<PAGE>

<TABLE>
<CAPTION>

                                 TABLE OF CONTENTS
                                                                           Page
                                                                           ----
                                     ARTICLE I
                                          
                                     The Merger
<S>           <C>                                                         <C>
SECTION 1.1.   The Merger. . . . . . . . . . . . . . . . . . . . . . .       2

SECTION 1.2.   Closing . . . . . . . . . . . . . . . . . . . . . . . .       2

SECTION 1.3.   Effective Time. . . . . . . . . . . . . . . . . . . . .       2

SECTION 1.4.   Effects of the Merger . . . . . . . . . . . . . . . . .       2

SECTION 1.5.   Certificate of Incorporation and By-laws. . . . . . . .       2

SECTION 1.6.   Directors . . . . . . . . . . . . . . . . . . . . . . .       3

SECTION 1.7.   Officers. . . . . . . . . . . . . . . . . . . . . . . .       3

                                     ARTICLE II
                                          
                                          
                  Effect of the Merger on the Capital Stock of the
                 Constituent Corporations; Exchange of Certificates

SECTION 2.1.   Effect on Capital Stock . . . . . . . . . . . . . . . .       3

SECTION 2.2.   Exchange of Certificates. . . . . . . . . . . . . . . .       4

                                    ARTICLE III

                        Representations and Warranties

SECTION 3.1.   Representations and Warranties of the Company . . . . .       7

SECTION 3.2.   Representations and Warranties of Parent and Sub. . . .      21

                                     -i-
<PAGE>


                                  ARTICLE IV

                     Covenants Relating to Conduct of Business

SECTION 4.1.   Conduct of Business . . . . . . . . . . . . . . . . . .      25

SECTION 4.2.   No Solicitation . . . . . . . . . . . . . . . . . . . .      28

                                     ARTICLE V
                                          
                                          
                               Additional Agreements

SECTION 5.1.   Preparation of Form S-4 and the Information Statement .      29

SECTION 5.2.   Access to Information; Confidentiality. . . . . . . . .      30

SECTION 5.3.   Reasonable Efforts; Notification. . . . . . . . . . . .      30

SECTION 5.4.   Employee Stock Purchase Plan. . . . . . . . . . . . . .      31

SECTION 5.5.   Stock Option Plans. . . . . . . . . . . . . . . . . . .      31

SECTION 5.6.   Benefit Plans and Employee Matters. . . . . . . . . . .      31

SECTION 5.7.   Indemnification, Exculpation and Insurance. . . . . . .      33

SECTION 5.8.   Fees and Expenses . . . . . . . . . . . . . . . . . . .      33

SECTION 5.9.   Public Announcements. . . . . . . . . . . . . . . . . .      33

SECTION 5.10.  Affiliates; Accounting and Tax Treatment. . . . . . . .      34

SECTION 5.11.  State Takeover Laws . . . . . . . . . . . . . . . . . .      34


                                     ARTICLE VI

                                Conditions Precedent

SECTION 6.1.   Conditions to Each Party's 
               Obligations to Effect the Merger. . . . . . . . . . . .      35

SECTION 6.2.   Additional Conditions to Obligations 
               of Parent and Sub . . . . . . . . . . . . . . . . . . .      36

SECTION 6.3.   Additional Conditions to Obligations of the Company . .      37

                                    -ii-
<PAGE>


                                  ARTICLE VII

                        Termination, Amendment and Waiver

SECTION 7.1.   Termination . . . . . . . . . . . . . . . . . . . . . .      38

SECTION 7.2.   Effect of Termination . . . . . . . . . . . . . . . . .      39

SECTION 7.3.   Amendment . . . . . . . . . . . . . . . . . . . . . . .      39

SECTION 7.4.   Extension; Waiver . . . . . . . . . . . . . . . . . . .      40

                                    ARTICLE VIII

                                  General Provisions

SECTION 8.1.   Nonsurvival of Representations and Warranties . . . . .      40

SECTION 8.2.   Notices . . . . . . . . . . . . . . . . . . . . . . . .      40

SECTION 8.3.   Definitions . . . . . . . . . . . . . . . . . . . . . .      42

SECTION 8.4.   Interpretation. . . . . . . . . . . . . . . . . . . . .      42

SECTION 8.5.   Counterparts. . . . . . . . . . . . . . . . . . . . . .      42

SECTION 8.6.   Entire Agreement; No Third-Party Beneficiaries. . . . .      42

SECTION 8.7.   Governing Law . . . . . . . . . . . . . . . . . . . . .      43

SECTION 8.8.   Assignment. . . . . . . . . . . . . . . . . . . . . . .      43

SECTION 8.9.   Enforcement . . . . . . . . . . . . . . . . . . . . . .      43

SECTION 8.10.  Severability. . . . . . . . . . . . . . . . . . . . . .      43

EXHIBIT 5.10   FORM OF AFFILIATE LETTER

EXHIBIT 6.3(d) FORM OF REGISTRATION RIGHTS AGREEMENT
</TABLE>

                                  -iii-
<PAGE>


          AGREEMENT AND PLAN OF MERGER, dated as of April 21, 1999, among
DANAHER CORPORATION, a Delaware corporation ("PARENT"), H2O ACQUISITION CORP., a
Delaware corporation ("SUB") and a direct wholly owned subsidiary of Parent, and
HACH COMPANY, a Delaware corporation (the "COMPANY").

          WHEREAS, the respective Boards of Directors of Parent, Sub and the
Company have approved the merger of Sub with and into the Company (the
"MERGER"), upon the terms and subject to the conditions set forth in this
Agreement and in accordance with the Delaware General Corporation Law (the
"DGCL"), whereby the issued and outstanding shares of Company Common Stock (as
defined in Section 3.1(c)) other than shares to be canceled in accordance with
Section 2.1(b), will be converted into the right to receive shares of common
stock, par value $.01 per share, of Parent ("PARENT COMMON STOCK");

          WHEREAS, as an inducement to Parent to enter into this Agreement,
certain significant stockholders of the Company have entered into an agreement
with Parent (the "STOCKHOLDERS SUPPORT AGREEMENT") pursuant to which each
significant stockholder has, among other things, agreed to vote his or her
shares of Company Common Stock in favor of the Merger; 

          WHEREAS, contemporaneously with the execution of this Agreement, the
stockholders of the Company representing a majority of the voting power of the
Company have adopted this Agreement by written consent without a meeting
pursuant to Section 228 of the DGCL, the Restated Certificate of Incorporation
of the Company, as amended (the "RESTATED CERTIFICATE OF INCORPORATION"), and
the By-laws of the Company;

          WHEREAS, contemporaneously with the execution of this Agreement,
Parent and certain stockholders of the Company are executing an Agreement and
Plan of Reorganization that provides for the acquisition by Parent of all of the
Company Common Stock held by C&K Enterprises, Ltd., a Delaware corporation, in
exchange for shares of Parent Common Stock, which exchange is intended to be
effected immediately prior to the consummation of the Merger;

          WHEREAS, Parent, Sub and the Company desire to make certain
representations, warranties, covenants and agreements in connection with the
Merger and also to prescribe various conditions to the Merger;

          WHEREAS, for Federal income tax purposes, it is intended that the
Merger shall qualify as a reorganization within the meaning of Section 368(a) of
the Internal Revenue Code of 1986, as amended (the "CODE"); and

          WHEREAS, for accounting purposes, it is intended that the Merger shall
be accounted for as a "pooling-of-interests";
                                     
<PAGE>


          NOW, THEREFORE, in consideration of the representations, warranties,
covenants and agreements contained in this Agreement, the parties agree as
follows:

                                     ARTICLE I
                                          
                                     THE MERGER

          SECTION 1.1.   THE MERGER.  Upon the terms and subject to the 
conditions set forth in this Agreement, and in accordance with the DGCL, Sub 
shall be merged with and into the Company at the Effective Time (as 
hereinafter defined).  Following the Merger, the separate corporate existence 
of Sub shall cease and the Company shall continue as the surviving 
corporation (the "SURVIVING CORPORATION") and shall succeed to and assume all 
the rights and obligations of the Company and of Sub in accordance with the 
DGCL.

          SECTION 1.2.   CLOSING.  The closing of the Merger will take place 
at 10:00 a.m. on a date to be specified by the parties, which shall be no 
later than the second business day after satisfaction or waiver of the 
conditions set forth in Article VI (the "CLOSING DATE"), at the offices of 
Wachtell, Lipton, Rosen & Katz, New York, New York, unless another time, date 
or place is agreed to in writing by the parties hereto.

          SECTION 1.3.   EFFECTIVE TIME.  Subject to the provisions of this 
Agreement, as soon as practicable on or after the Closing Date, the parties 
shall file a certificate of merger or other appropriate documents (in any 
such case, the "CERTIFICATE OF MERGER") executed in accordance with the 
relevant provisions of the DGCL and shall make all other filings or 
recordings required under the DGCL.  The Merger shall become effective at 
such time as the Certificate of Merger is duly filed with the Delaware 
Secretary of State, or at such other time as Sub and the Company shall agree 
should be specified in the Certificate of Merger (the date and time of such 
filing, or such later date or time as may be set forth therein, being the 
"EFFECTIVE TIME").

          SECTION 1.4.   EFFECTS OF THE MERGER.  The Merger shall have the 
effects set forth in Section 259 of the DGCL.

          SECTION 1.5.   CERTIFICATE OF INCORPORATION AND BY-LAWS.  (a)  The 
certificate of incorporation of Sub as in effect immediately prior to the 
Effective Time shall be the certificate of incorporation of the Surviving 
Corporation (except that such certificate of incorporation shall be amended 
at the Effective Time to provide that the name of the Surviving Corporation 
shall be "HACH COMPANY"), until thereafter changed or amended as provided 
therein or by applicable law.

                                     -2-
<PAGE>


          (b)  The by-laws of Sub as in effect at the Effective Time shall be 
the by-laws of the Surviving Corporation, until thereafter changed or amended 
as provided therein or by applicable law.

          SECTION 1.6.   DIRECTORS.  The directors of Sub immediately prior 
to the Effective Time shall be the initial directors of the Surviving 
Corporation, until the earlier of their resignation or removal or until their 
respective successors are duly elected and qualified, as the case may be.

          SECTION 1.7.   OFFICERS.  The officers of the Company immediately
prior to the Effective Time shall continue as the officers of the Surviving
Corporation, until the earlier of their resignation or removal or until their
respective successors are duly elected and qualified, as the case may be.

                                     ARTICLE II
                                          
                 EFFECT OF THE MERGER ON THE CAPITAL STOCK OF THE 
                 CONSTITUENT CORPORATIONS; EXCHANGE OF CERTIFICATES

          SECTION 2.1.   EFFECT ON CAPITAL STOCK.  At the Effective Time, by 
virtue of the Merger and without any action on the part of Parent, Sub, the 
Company, or the holders of any shares of Company Common Stock or any shares 
of capital stock of Sub:

          (a)  CAPITAL STOCK OF SUB.  Each share of the capital stock of Sub
issued and outstanding immediately prior to the Effective Time shall be
converted into and exchanged for 1.4588948 fully paid and nonassessable shares
of common stock of the Surviving Corporation; PROVIDED, that such number shall
be appropriately adjusted to take account of any issuances of Company Common
Stock prior to the Effective Time.

          (b)  CANCELLATION OF TREASURY STOCK; PARENT OWNED STOCK REMAINS 
OUTSTANDING.  Each share of Company Common Stock that is owned by the Company 
or any subsidiary of the Company, and each share of Company Common Stock that 
is owned by Sub, immediately prior to the Effective Time shall automatically 
be canceled and retired without any conversion thereof and no consideration 
shall be delivered with respect thereto.  Each share of Company Common Stock 
that is owned by Parent immediately prior to the Effective Time shall be 
converted into and exchanged for one hundred thousandth of a fully paid and 
non assessable share of common stock of the Surviving Corporation.

          (c)  CONVERSION OF COMPANY COMMON STOCK.  Each share of Company 
Common Stock issued and outstanding as of the Effective Time, other than 
shares of Company Common Stock to be canceled or to remain outstanding in 
accordance with Section 2.1(b), shall be converted, subject to Section 
2.2(e), Section 7.1(f) and Section 7.1(g), into the right to receive.

                                     -3-
<PAGE>

2987 (the "EXCHANGE RATIO") of a share of Parent Common Stock.  If, prior to 
the Effective Time, Parent should split or combine the Parent Common Stock, 
or pay a stock dividend or other stock distribution in Parent Common Stock, 
then the Exchange Ratio will be appropriately adjusted to reflect such split, 
combination, dividend or other distribution. 

          As of the Effective Time, all of the shares of Company Common Stock 
converted into the right to receive Parent Common Stock pursuant to this 
Section 2.1(c) shall no longer be outstanding and shall automatically be 
canceled and retired and shall cease to exist, and each certificate 
previously representing any such shares shall thereafter represent the right 
to receive a certificate representing the shares of Parent Common Stock into 
which such Company Common Stock was converted in the Merger and, if 
applicable, cash payments in lieu of fractional shares of Parent Common Stock 
pursuant to Section 2.2(e).  The holders of such certificates previously 
evidencing such shares of Company Common Stock outstanding immediately prior 
to the Effective Time shall cease to have any rights with respect to such 
shares of Company Common Stock as of the Effective Time except as otherwise 
provided herein or by law.  Such certificates previously representing such 
shares of Company Common Stock shall be exchanged for certificates 
representing whole shares of Parent Common Stock issued in consideration 
therefor upon the surrender of such certificates in accordance with the 
provisions of Section 2.2, without interest.  No fractional share of Parent 
Common Stock shall be issued, and, in lieu thereof, a cash payment shall be 
made pursuant to Section 2.2(e).

          SECTION 2.2.   EXCHANGE OF CERTIFICATES.  (a)  EXCHANGE AGENT.  
Prior to the Effective Time, Parent shall enter into an agreement with such 
bank or trust company as may be designated by Parent and as shall be 
reasonably satisfactory to the Company (the "EXCHANGE AGENT"), and, as 
contemplated by such agreement, Parent shall deposit, or shall cause to be 
deposited, with the Exchange Agent as of the Effective Time (or otherwise 
when requested by the Exchange Agent from time to time in order to effect any 
exchange pursuant to this Section 2.2), for the benefit of the holders of 
shares of Company Common Stock converted into the right to receive Parent 
Common Stock, for exchange in accordance with this Article II through the 
Exchange Agent, cash sufficient to make payments in lieu of fractional shares 
pursuant to Section 2.2(e), and certificates representing the shares of 
Parent Common Stock issuable pursuant to Section 2.1 in exchange for such 
outstanding shares of Company Common Stock (such cash and certificates 
representing shares of Parent Common Stock, together with any dividends or 
distributions with respect to shares represented by such certificates, being 
collectively referred to as the "EXCHANGE FUND").  The Exchange Agent shall 
deliver the Parent Common Stock contemplated to be issued pursuant to Section 
2.1 out of the Exchange Fund.  Except as contemplated by Section 2.2(e), the 
Exchange Fund shall not be used for any other purpose.

          (b)  EXCHANGE PROCEDURE.  As soon as reasonably practicable after 
the Effective Time, and in no event later than five business days thereafter, 
the Exchange Agent shall mail to each holder of record of a certificate or 
certificates which immediately prior to the Effective Time represented 
outstanding shares of Company Common Stock converted into the right to 
receive Parent Common Stock (the "CERTIFICATES"), (i) a letter of transmittal 
in customary form (which shall specify that delivery shall be effected, and 
risk of loss and title to the Certificates shall pass,

                                     -4-
<PAGE>


only upon proper delivery of the Certificates to the Exchange Agent) and (ii) 
instructions for use in effecting the surrender of the Certificates in 
exchange for certificates representing shares of Parent Common Stock.  Upon 
surrender of a Certificate for cancellation to the Exchange Agent, together 
with such letter of transmittal, duly executed, and such other documents as 
may reasonably be required by the Exchange Agent, the holder of such 
Certificate shall be entitled to receive in exchange therefor a certificate 
evidencing that number of whole shares of Parent Common Stock which such 
holder has the right to receive pursuant to this Agreement in respect of the 
shares of Company Common Stock formerly evidenced by such Certificate (after 
taking into account all shares of Company Common Stock then held of record by 
such holder), and a check representing the amount of any cash in lieu of 
fractional shares of Parent Common Stock to which such holder is entitled 
pursuant to Section 2.2(e) and any dividends or other distributions to which 
such holder is entitled pursuant to Section 2.2(c), and the Certificate so 
surrendered shall forthwith be canceled.  In the event of a transfer of 
ownership of Company Common Stock which is not registered in the transfer 
records of the Company, a certificate representing the proper number of 
shares of Parent Common Stock may be issued to a person other than the person 
in whose name the Certificate so surrendered is registered, if such 
Certificate, accompanied by all documents required to evidence and effect 
such transfer, shall be properly endorsed or otherwise be in proper form for 
transfer, and the person requesting such payment shall pay any transfer or 
other taxes required by reason of the issuance of shares of Parent Common 
Stock to a person other than the registered holder of such Certificate or 
establish to the reasoable satisfaction of Parent that such tax has been paid 
or is not applicable.  Until surrendered as contemplated by this Section 2.2, 
each Certificate shall be deemed at any time after the Effective Time to 
represent only the right to receive upon such surrender a certificate 
evidencing whole shares of Parent Common Stock, cash in lieu of any 
fractional shares of Parent Common Stock to which such holder is entitled 
pursuant to Section 2.2(e) and any dividends or other distributions to which 
such holder is entitled pursuant to Section 2.2(c). No interest will be paid 
or will accrue on any cash payable pursuant to Section 2.2(c) or 2.2(e).

          (c)  DISTRIBUTIONS WITH RESPECT TO UNEXCHANGED SHARES.  No 
dividends or other distributions declared or made after the Effective Time 
with respect to Parent Common Stock with a record date after the Effective 
Time shall be paid to the holder of any unsurrendered Certificate with 
respect to the shares of Parent Common Stock represented thereby, and no cash 
payment in lieu of fractional shares shall be paid to any such holder 
pursuant to Section 2.2(e), in each case until the surrender of such 
Certificate in accordance with this Article II. Subject to the effect of 
applicable escheat laws, following surrender of such Certificate, there shall 
be paid to the holder of a certificate representing whole shares of Parent 
Common Stock issued in exchange therefor, without interest, (i) at the time 
of such surrender, the amount of any cash payable in lieu of a fractional 
share of Parent Common Stock to which such holder is entitled pursuant to 
Section 2.2(e) and the amount of dividends or other distributions with a 
record date after the Effective Time theretofore paid with respect to such 
whole shares of Parent Common Stock, and (ii) at the appropriate payment 
date, the amount of dividends or other distributions with a record date after 
the Effective Time but prior to such surrender and with a payment date 
subsequent to such surrender payable with respect to such whole shares of 
Parent Common Stock.

                                     -5-
<PAGE>


          (d)  NO FURTHER OWNERSHIP RIGHTS IN COMPANY STOCK.  All shares of 
Parent Common Stock issued upon the surrender for exchange of Certificates in 
accordance with the terms of this Article II (including any cash paid 
pursuant to Section 2.2(c) or 2.2(e)) shall be deemed to have been issued 
(and paid) in full satisfaction of all rights pertaining to the shares of 
Company Common Stock theretofore represented by such Certificates, SUBJECT, 
HOWEVER, to the Surviving Corporation's obligation to pay any dividends or 
make any other distributions with a record date prior to the Effective Time 
which may have been declared or made by the Company on such shares of Company 
Common Stock in accordance with the terms of this Agreement or prior to the 
date of this Agreement and which remain unpaid at the Effective Time and have 
not been paid prior to surrender. At the Effective Time, the stock transfer 
books of the Company shall be closed, and there shall be no further 
registrations of transfers of shares of Company Common Stock thereafter on 
the records of the Company.  If, after the Effective Time, Certificates are 
presented to the Surviving Corporation, Parent or the Exchange Agent for any 
reason, they shall be cancelled and exchanged as provided in this Article II.

          (e)  NO FRACTIONAL SHARES.  No certificates or scrip representing 
fractional shares of Parent Common Stock shall be issued upon the surrender 
for exchange of Certificates, and such fractional share interests will not 
entitle the owner thereof to vote or to any rights of a stockholder of 
Parent.  Each holder who otherwise would have been entitled to a fraction of 
a share of Parent Common Stock shall receive in lieu thereof cash (without 
interest) in an amount determined by multiplying the fractional share 
interest to which such holder would otherwise be entitled by the closing sale 
price of a share of Parent Common Stock on the New York Stock Exchange, Inc. 
("NYSE") composite tape on the last full trading day prior to the Effective 
Time.  No such holder shall be entitled to dividends, voting rights or any 
other rights in respect of any fractional share.  

          (f)  TERMINATION OF EXCHANGE FUND.  Any portion of the Exchange 
Fund that remains undistributed to the holders of Certificates for twelve 
months after the Effective Time shall be delivered to Parent, upon demand, 
and any holders of Certificates who have not theretofore complied with this 
Article II shall thereafter look only to Parent for the shares of Parent 
Common Stock, any cash in lieu of fractional shares of Parent Common Stock 
and any dividends or distributions with respect to Parent Common Stock to 
which they are entitled.

          (g)  NO LIABILITY.  None of Parent, Sub, the Company or the 
Exchange Agent shall be liable to any holder of shares of Company Common 
Stock for any shares of Parent Common Stock (or dividends or distributions 
with respect thereto) or cash from the Exchange Fund delivered to a public 
official pursuant to any applicable abandoned property, escheat or similar 
law.  If any Certificates shall not have been surrendered prior to seven 
years after the Effective Time (or immediately prior to such earlier date on 
which any cash, any cash in lieu of fractional shares or any dividends or 
distributions with respect to whole shares of Parent Common Stock in respect 
of such Certificate would otherwise escheat to or become the property of any 
Governmental Entity (as defined herein)), any such cash, dividends or 
distributions in respect of such Certificate shall, to the extent permitted 
by applicable laws, become the property of Parent, free and clear of all 
claims or interest of any person previously entitled thereto.

                                     -6-
<PAGE>


          (h)  WITHHOLDING RIGHTS.  Parent or the Exchange Agent shall be 
entitled to deduct and withhold from the consideration otherwise payable 
pursuant to this Agreement to any holder of Certificates such amounts as 
Parent or the Exchange Agent, as the case may be, is required to deduct and 
withhold with respect to the making of such payment under the Code, or any 
provision of state, local or foreign tax law.  To the extent that amounts are 
so withheld by Parent or the Exchange Agent, such withheld amounts shall be 
treated for all purposes of this Agreement as having been paid to the holder 
of the Certificates in respect of which such deduction and withholding shall 
have been made by Parent or the Exchange Agent.

          (i)  INVESTMENT OF EXCHANGE FUND.  The Exchange Agent shall invest 
any cash included in the Exchange Fund, as directed by Parent, on a daily 
basis. Any interest and other income resulting from such investments shall be 
paid to Parent.

          (j)  MISSING CERTIFICATES.  In the event any Certificate shall have 
been lost, stolen or destroyed, upon the making of an affidavit of that fact 
and the posting by such person of a bond in such reasonable amount as Parent 
may direct as indemnity against any claim that may be made against it with 
respect to such Certificate, the Exchange Agent will issue in exchange for 
such lost, stolen or destroyed Certificate the shares of Parent Common Stock, 
dividends and distributions and cash in lieu of fractional shares deliverable 
in respect thereof pursuant to this Agreement.

                                    ARTICLE III
                                          
                           REPRESENTATIONS AND WARRANTIES

          SECTION 3.1.   REPRESENTATIONS AND WARRANTIES OF THE COMPANY.  Except
as disclosed by specific reference to the applicable section of the Disclosure
Schedule delivered by the Company to Parent concurrently herewith (the "COMPANY
DISCLOSURE SCHEDULE"), the Company represents and warrants to Parent and Sub as
follows:

          (a)  ORGANIZATION, STANDING AND CORPORATE POWER.  The Company and 
each of its subsidiaries is a corporation duly organized, validly existing 
and in good standing under the laws of the jurisdiction in which it is 
organized and has the requisite corporate power and authority to carry on its 
business as now being conducted.  The Company and each of its subsidiaries is 
duly qualified or licensed to do business and is in good standing in each 
jurisdiction in which the nature of its business or the ownership or leasing 
of its properties makes such qualification or licensing necessary, other than 
in such jurisdictions where the failure to be so qualified or licensed 
(individually or in the aggregate) could not reasonably be expected to have a 
material adverse effect on the Company.  The Company has made available to 
Parent complete and correct copies of its certificate of incorporation and 
by-laws and the certificates of incorporation and by-laws or other 
organizational documents of its Material Subsidiaries, in each case as 
amended to the date of this Agreement.  For purposes of this Agreement, 
"MATERIAL SUBSIDIARY" means each subsidiary 

                                     -7-
<PAGE>

of the Company designated as a Material Subsidiary in Schedule 3.1(b)(i) of 
the Company Disclosure Schedule.

          (b)  SUBSIDIARIES.  Schedule 3.1(b)(i) of the Company Disclosure 
Schedule lists each subsidiary of the Company and its jurisdiction of 
incorporation or organization.  All the outstanding shares of capital stock 
of each such subsidiary have been validly issued and are fully paid and 
nonassessable and are owned by the Company, by another subsidiary of the 
Company or by the Company and another such subsidiary, free and clear of all 
pledges, liens, charges, encumbrances and security interests of any kind or 
nature whatsoever (collectively, "LIENS").  Except for the capital stock of 
its subsidiaries, the Company does not own, directly or indirectly, any 
capital stock or other ownership interest in any corporation, partnership, 
joint venture or other entity.

          (c)  CAPITAL STRUCTURE.  The authorized capital stock of the 
Company consists of 25,000,000 shares of Common Stock, $1.00 par value (the 
"COMMON STOCK") and 20,000,000 shares of Class A Common Stock, $1.00 par 
value (the "CLASS A COMMON STOCK" and, with the Common Stock, the "COMPANY 
COMMON STOCK"). At the close of business on April 19, 1999, (i) 9,005,414 
shares of Common Stock and 8,606,364 shares of Class A Common Stock were 
issued and outstanding, (ii) there were 2,617,539 shares of Common Stock and 
3,016,589 shares of Class A Common Stock held by the Company in its treasury, 
(iii) 315,453 shares of Common Stock and 682,953 shares of Class A Common 
Stock were reserved for issuance upon exercise of outstanding Stock Options 
(as defined in Section 5.5) and (iv) 500,000 shares of Class A Common Stock 
reserved for issuance under the Company's Employee Stock Purchase Plan.  
Except as set forth above, at the close of business on April 19, 1999, no 
shares of capital stock or other voting securities of the Company were 
issued, reserved for issuance or outstanding.  No subsidiary of the Company 
owns any shares of Company Common Stock.  Since April 19, 1999, (x) no shares 
of Company Common Stock have been issued except pursuant to Stock Options 
outstanding on April 19, 1999, and (y) no new Stock Options have been issued. 
 There are no outstanding stock appreciation rights of the Company which were 
not granted in tandem with a related Stock Option and no outstanding limited 
stock appreciation rights or other rights to redeem for cash options or 
warrants of, or other equity interests in, the Company.  All outstanding 
shares of capital stock of the Company are, and all shares which may be 
issued upon the exercise of Stock Options will be, when issued, duly 
authorized, validly issued, fully paid and nonassessable and not subject to 
preemptive rights.  There are no bonds, debentures, notes or other 
indebtedness of the Company having the right to vote (or convertible into, or 
exchangeable for, securities having the right to vote) on any matters on 
which stockholders of the Company may vote.  Except for the Stock Options 
described above, of which as of April 21, 1999, 998,406 Stock Options were 
outstanding and 671,739 of such Stock Options were exercisable, as of the 
date of this Agreement, there are no outstanding securities, options, 
warrants, calls, rights, commitments, agreements, arrangements or 
undertakings of any kind to which the Company or any of its subsidiaries is a 
party or by which any of them is bound obligating the Company or any of its 
subsidiaries to issue, deliver or sell, or cause to be issued, delivered or 
sold, additional shares of capital stock or other voting securities of the 
Company or of any of its subsidiaries or obligating the Company or any of its 
subsidiaries to issue, grant, extend or enter into any such security, option, 
warrant, all, right, commitment, agreement, arrangement or undertaking.  
There are no outstanding contractual obligations of the Company or any of its 
subsidiaries to repurchase, redeem 

                                       -8-


<PAGE>


or otherwise acquire any shares of capital stock (or options to acquire any 
such shares) of the Company or any of its subsidiaries.  There are no 
agreements, arrangements or commitments of any character (contingent or 
otherwise) pursuant to which any person is or may be entitled to receive any 
earn-out or similar payment based on the revenues, earnings or financial 
performance of the Company or any of its subsidiaries or assets or calculated 
in accordance therewith.  There are no agreements to cause the Company or any 
of its subsidiaries to file a registration statement under the Securities Act 
of 1933 (the "SECURITIES ACT") or which otherwise relate to the registration 
of any securities of the Company.

          (d)  AUTHORITY; NONCONTRAVENTION.  The Company has the requisite 
corporate power and authority to enter into this Agreement and to consummate 
the transactions contemplated hereby.  The execution and delivery of this 
Agreement by the Company and the consummation by the Company of the 
transactions contemplated hereby have been duly authorized by all necessary 
corporate action on the part of the Company and, upon approval by written 
consent of stockholders owning a majority of the outstanding shares of Common 
Stock, no additional approval or vote of the holders of any class or series 
of the Company's securities is necessary to approve this Agreement and the 
transactions contemplated hereby. The Board of Directors of the Company (at a 
meeting duly called and held) has by a unanimous vote of directors (i) 
determined that the Merger is advisable and fair and in the best interests of 
the Company and the Company Stockholders, (ii) approved this Agreement and 
the Merger in accordance with the provisions of the DGCL, and (iii) submitted 
this Agreement to, and recommended the approval and adoption of this 
Agreement and the Merger by, the stockholders of the Company.  Concurrently 
with the execution of this Agreement, the holders of a majority of the 
outstanding Common Stock have contemporaneously with the execution hereof 
approved and adopted this Agreement and the Merger by written consent without 
a meeting pursuant to Section 228 of the DGCL and the Restated Certificate of 
Incorporation of the Company, as amended, and the Bylaws of the Company.  
Prior to execution and delivery of the Stockholders Support Agreement, the 
Board of Directors of the Company has approved the Stockholders Support 
Agreement and has taken all necessary action to ensure that the provisions of 
Article 9 of the Restated Certificate of Incorporation of the Company shall 
not apply to this Agreement or the Stockholders Support Agreement or the 
transactions contemplated hereby and thereby.  This Agreement has been duly 
executed and delivered by the Company and constitutes the valid and binding 
obligation of the Company, enforceable against the Company in accordance with 
its terms.  The execution and delivery of this Agreement does not, and the 
consummation of the transactions contemplated hereby and compliance with the 
provisions hereof will not, conflict with, or result in any violation of or 
default (with or without notice or lapse of time, or both) under, or require 
the consent of (or the giving of notice to) a third party with respect to, or 
give rise to a right of termination, cancellation or acceleration of any 
obligation or to loss of a material benefit under, or result in the creation 
of any Lien upon any of the properties or assets of the Company or any of its 
subsidiaries under, (i) the certificate of incorporation or by-laws of the 
Company or the comparable charter or organizational documents of any of its 
subsidiaries, (ii) any loan or credit agreement, note, bond, mortgage, 
indenture, lease or other agreement, instrument, permit, concession, 
franchise or license applicable to the Company or any of its subsidiaries or 
their respective properties or assets, or (iii) subject to the governmental 
filings and other matters referred to in the following sentence, any 
judgment, order, decree, statute, laws, ordinance, rule or regulation 
applicable to the Company or any of its subsidi-

                                     -9-
<PAGE>


aries or their respective properties or assets, other than, in the case of 
clauses (ii) or (iii), any such conflicts, violations, defaults, rights or 
Liens that individually or in the aggregate could not reasonably be expected 
to (x) have a material adverse effect on the Company, (y) impair in any 
material respect the ability of the Company to perform its obligations under 
this Agreement, or (z) prevent or materially delay the consummation of any of 
the transactions contemplated hereby.  No consent, approval, order or 
authorization of, or registration, declaration or filing with, any Federal, 
state or local government or any court, administrative or regulatory agency 
or commission or other governmental authority or agency, domestic or foreign 
(a "GOVERNMENTAL ENTITY"), is required by the Company or any of its 
subsidiaries in connection with the execution and delivery of this Agreement 
by the Company or the consummation by the Company of the transactions 
contemplated hereby, except for (i) the filing with the Federal Trade 
Commission and the Antitrust Division of the Department of Justice (the 
"SPECIFIED AGENCIES") of a premerger notification and report form by the 
Company under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (the 
"HSR ACT"), (ii) the filing with the Securities and Exchange Commission (the 
"SEC") of (x) the Information Statement (as defined in Section 5.1) and (y) 
such reports under Section 13(a) of the Securities Exchange Act of 1934, as 
amended (the "EXCHANGE ACT"), as may be required in connection with this 
Agreement and the transactions contemplated hereby, (iii) the filing of the 
Certificate of Merger with the Delaware Secretary of State and appropriate 
documents with the relevant authorities of other states in which the Company 
is qualified to do business, and (iv) such other consents, approvals, orders, 
authorizations, registrations, declarations and filings, including under the 
laws of any foreign country in which the Company or any of its subsidiaries 
conducts any business or owns any property or assets, the failure of which to 
be obtained or made could not, individually or in the aggregate, reasonably 
be expected to have a material adverse effect on the Company or prevent or 
materially delay the consummation of any of the transactions contemplated by 
this Agreement.

          (e)  SEC DOCUMENTS; FINANCIAL STATEMENTS.  Since January 1, 1996, the
Company has filed with the SEC all required reports, forms and other documents
(the "SEC DOCUMENTS").  As of their respective dates, the SEC Documents complied
in all material respects with the requirements of the Securities Act or the
Exchange Act, as the case may be, and the rules and regulations of the SEC
promulgated thereunder applicable to such SEC Documents, and none of the SEC
Documents contained any untrue statement of a material fact or omitted to state
a 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.  Except to the extent that information contained in any SEC
Document has been revised or superseded by a later-filed SEC Document filed and
publicly available prior to the date of this Agreement, none of the SEC
Documents contains any untrue statement of a material fact or omits 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.  The financial statements of the Company included in the SEC
Documents comply as to form in all material respects with all applicable
accounting requirements and the published rules and regulations of the SEC with
respect thereto, have been prepared in accordance with generally accepted
accounting principles (except, in the case of unaudited statements, as permitted
by Form 10-Q of the SEC) applied on a consistent basis during the periods
involved (except as may be indicated in the notes thereto) and fairly present
the consolidated financial position of the Company and its consolidated
subsidiaries as of the dates 

                                     -10-
<PAGE>

thereof and the consolidated results of their operations and cash flows for 
the periods then ended (subject, in the case of unaudited statements, to 
normal year-end audit adjustments).  Except as set forth in the SEC Documents 
filed prior to the date of this Agreement (or, with respect to any future 
repetition of this representation, prior to the time of such repetition), and 
except for liabilities and obligations incurred in the ordinary course of 
business consistent with past practice since the date of the most recent 
consolidated balance sheet included in the SEC Documents, neither the Company 
nor any of its subsidiaries has any liabilities or obligations of any nature 
(whether accrued, absolute, contingent or otherwise) required by generally 
accepted accounting principles to be set forth on a consolidated balance 
sheet of the Company and its consolidated subsidiaries or in the notes 
thereto.

          (f)  INFORMATION SUPPLIED.  None of the information supplied or to 
be supplied by the Company specifically for inclusion or incorporation by 
reference in (i) the Form S-4 (as defined in Section 5.1(a)) will, at the 
time the Form S-4 is filed with the SEC, at any time it is amended or 
supplemented or at the time it becomes effective under the Securities Act, 
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 light of the circumstances under which they are made, 
not misleading or (ii) the Information Statement will, at the date it is 
mailed to the Company's stockholders, 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 light of the 
circumstances under which they are made, not misleading.  The Information 
Statement will comply as to form in all material respects with the 
requirements of the Exchange Act and the rules and regulations thereunder, 
except that no representation or warranty is made by the Company with respect 
to statements made or incorporated by reference therein based on information 
supplied by Parent or Sub specifically for inclusion or incorporation by 
reference in the Information Statement.

          (g)  ABSENCE OF CERTAIN CHANGES OR EVENTS.  Except as disclosed in the
SEC Documents filed prior to the date of this Agreement, since April 30, 1998
the Company has conducted its business only in the ordinary course consistent
with prior practice, and there has not been (i) any material adverse change in
the Company, (ii) except for regular quarterly cash dividends, any declaration,
setting aside or payment of any dividend or other distribution (whether in cash,
stock or property) with respect to any of the Company's capital stock, (iii) any
split, combination or reclassification of any of its capital stock or any
issuance or the authorization of any issuance of any other securities in respect
of, in lieu of or in substitution for shares of its capital stock, (iv) (x) any
granting by the Company or any of its subsidiaries to any officer of the Company
or any of its subsidiaries of any increase in compensation, except in the
ordinary course of business consistent with prior practice or as was required
under employment agreements in effect as of the date of the most recent audited
financial statements included in the SEC Documents filed prior to the date of
this Agreement (a list of all such employment agreements being set forth in
Section 3.1(g) of the Company Disclosure Schedule), (y) any granting by the
Company or any of its subsidiaries to any such officer of any increase in
severance or termination pay, except as was required under employment, severance
or termination agreements in effect as of the date of the most recent audited
financial statements included in the SEC Documents filed prior to the date of
this Agreement, or (z) any entry into, or renewal or modification of, any
employment, consulting,

                                     -11-
<PAGE>


severance or termination agreement with any such officer by the Company or 
any of its subsidiaries, (v) any damage, destruction or loss, whether or not 
covered by insurance, that, individually or in the aggregate, has or could 
reasonably be expected to have a material adverse effect on the Company, (vi) 
any change in accounting methods, principles or practices by the Company, 
except insofar as may have been required by a change in generally accepted 
accounting principles or (vii) any agreement to do any of the things 
described in the preceding clauses (i) through (vi).

          (h)  LITIGATION.  Except as disclosed in the SEC Documents filed 
prior to the date of this Agreement, there is no suit, action, investigation, 
audit or proceeding pending or, to the knowledge of the Company, threatened 
against the Company or any of its subsidiaries that, individually or in the 
aggregate, could reasonably be expected to (i) have a material adverse effect 
on the Company, (ii) impair in any material respect the ability of the 
Company to perform its obligations under this Agreement, or (iii) prevent the 
consummation of any of the transactions contemplated by this Agreement, nor 
is there any judgment, decree, injunction, rule or order of any Governmental 
Entity or arbitrator outstanding against the Company or any of its 
subsidiaries having, or which could reasonably be expected to have, any 
effect referred to in the foregoing clauses (i) through (iii).

          (i)  BENEFIT PLANS; ERISA COMPLIANCE.  (i)  For purposes of this
Section 3.1(i), the following terms have the meanings set forth below:

          "CONTROLLED GROUP LIABILITY" means any and all material liabilities
     (i) under Title IV of ERISA, (ii) under section 302 of ERISA, (iii) under
     sections 412 and 4971 of the Code, (iv) as a result of a failure to comply
     with the continuation coverage requirements of section 601 et seq. of ERISA
     and section 4980B of the Code, and (v) under corresponding or similar
     provisions of foreign laws or regulations, other than such liabilities that
     arise solely out of, or relate solely to, the Employee Benefit Plans.  

          An "EMPLOYEE BENEFIT PLAN" means any employee benefit plan, program,
     policy, practices, or other arrangement providing benefits to any current
     or former employee, officer or director of the Company or any of its
     subsidiaries or any beneficiary or dependent thereof that is sponsored or
     maintained by the Company or any of its subsidiaries or to which the
     Company or any of its subsidiaries contributes or is obligated to
     contribute, whether or not written, including without limitation any
     employee welfare benefit plan within the meaning of Section 3(1) of ERISA,
     any employee pension benefit plan within the meaning of Section 3(2) of
     ERISA (whether or not such plan is subject to ERISA) and any bonus,
     incentive, deferred compensation, vacation, stock purchase, stock option,
     severance, employment, change of control or fringe benefit plan, program or
     agreement.

          "ERISA AFFILIATE" means, with respect to any entity, trade or
     business, any other entity, trade or business that is a member of a group
     described in Section 414(b), (c), (m) or (o) of the Code or Section
     4001(b)(1) of ERISA that includes the first entity, trade or 

                                     -12-
<PAGE>

     business, or that is a member of the same "controlled group" as the first 
     entity, trade or business pursuant to Section 4001(a)(14) of ERISA.

          A "MULTIEMPLOYER PLAN" means any "multiemployer plan" within the
     meaning of Section 4001(a)(3) of ERISA. 

          A "PLAN" means any Employee Benefit Plan other than a Multiemployer
     Plan.

          "WITHDRAWAL LIABILITY" means liability to a Multiemployer Plan as a
     result of a complete or partial withdrawal from such Multiemployer Plan, as
     those terms are defined in Part I of Subtitle E of Title IV of ERISA.

               (ii)  Schedule 3.1(i)(ii) of the Company Disclosure Schedule
          sets forth a true, complete and correct complete list of all material
          Employee Benefit Plans (the "PLAN LIST").

               (iii) With respect to each Plan, the Company has delivered to
          Parent a true, correct and complete copy of to the extent applicable:
          (A) each Plan document and any related trust agreements, and insurance
          contracts and other funding vehicles; (B) the most recent Annual
          Report (Form 5500 Series) and accompanying schedule, if any; (C) the
          current summary plan description and any material modifications
          thereto, if any; (D) the most recent annual financial report, if any;
          (E) the most recent actuarial report, if any; and (F) the most recent
          determination letter from the IRS, if any.  Except as specifically
          provided in the foregoing documents delivered to Parent, there are no
          amendments to any Plan that have been adopted or approved nor has the
          Company or any of its subsidiaries undertaken to make any such
          amendments or to adopt or approve any new Plan.

               (iv)  The Plan List identifies each Plan that is intended to be
          a "qualified plan" within the meaning of Section 401(a) of the Code
          ("QUALIFIED PLANS").  The Internal Revenue Service has issued a
          favorable determination letter with respect to each Qualified Plan and
          the related trust that has not been revoked, and to the Company's
          knowledge there are no existing circumstances nor any events that have
          occurred that could adversely affect the qualified status of any
          Qualified Plan or the related trust unless such circumstances or
          events could be cured without any material liability to the Company
          and its subsidiaries.  The Plan List identifies each Plan which is
          intended to meet the requirements of Code Section 501(c)(9), and each
          such plan meets such requirements in all material respects and
          provides no disqualified benefits (as such term is defined in Code
          Section 4976(b).

                                     -13-
<PAGE>

               (v)   All contributions required to be made to any Plan by
          applicable law or regulation or by any plan document or other
          contractual undertaking, and all premiums due or payable with respect
          to insurance policies funding any Plan, for any period through the
          date hereof have been timely made or paid in full or, to the extent
          not required to be made or paid on or before the date hereof, have
          been fully reflected on the Company's most recent balance sheet
          included in the SEC Documents filed prior to the date hereof.  Each
          Employee Benefit Plan that is an employee welfare benefit plan under
          Section 3(1) of ERISA is either (A) funded through an insurance
          company contract and is not a "welfare benefit fund" with the meaning
          of Section 419 of the Code or (B) unfunded.  

               (vi)  With respect to each Employee Benefit Plan, the Company
          and its subsidiaries have complied, and are now in compliance, in all
          material respects with all provisions of ERISA, the Code and all laws
          and regulations applicable to such Employee Benefit Plans and each
          Employee Benefit Plan has been administered in all material respects
          in accordance with its terms.  There is not now, nor do any
          circumstances exist that could give rise to, any requirement for the
          posting of security with respect to a Plan or the imposition of any
          material lien on the assets of the Company or any of its subsidiaries
          under ERISA or the Code. 

               (vii) With respect to each Plan that is subject to Title IV or
          Section 302 of ERISA or Section 412 or 4971 of the Code:  (A) there
          does not exist any accumulated funding deficiency within the meaning
          of Section 412 of the Code or Section 302 of ERISA, whether or not
          waived; (B) no reportable event within the meaning of Section 4043(c)
          of ERISA for which the 30-day notice requirement has not been waived
          has occurred, and the consummation of the transactions contemplated by
          this agreement will not result in the occurrence of any such
          reportable event; (C) all premiums to the Pension Benefit Guaranty
          Corporation have been timely paid in full; (D) no material liability
          (other than for premiums to the PBGC) under Title IV of ERISA has been
          or is expected to be incurred by the Company; and (E) the PBGC has not
          instituted proceedings to terminate any such Plan and, to the
          Company's knowledge, no condition exists that presents a material risk
          that such proceedings will be instituted or which would constitute
          grounds under Section 4042 of ERISA for the termination of, or the
          appointment of a trustee to administer, any such Plan.  

               (viii)    No Employee Benefit Plan is a Multiemployer Plan or a
          plan that has two or more contributing sponsors at least two of whom
          are not under common control, within the meaning of Section 4063 of
          ERISA (a "MULTIPLE EMPLOYER PLAN").  None of the Company and its
          subsidiaries nor any of their respective ERISA Affiliates has, at any
          time during the last six years, contributed to or been obligated to
          contribute to any Multiemployer Plan or Multiple Employer Plan.  None
          of the Company and its subsidiaries nor any ERISA Affiliates has
          incurred any Withdrawal Liability that has not been satisfied in full.

                                     -14-
<PAGE>

               (ix)  There does not now exist, nor do any circumstances exist
          that could result in, any Controlled Group Liability that would be a
          material liability of the Company following the Closing.  Without
          limiting the generality of the foregoing, neither the Company nor any
          ERISA Affiliate of the Company has engaged in any transaction
          described in Section 4069 or Section 4204 or 4212 of ERISA.

               (x)   Except as disclosed in the SEC Reports, the Company has no
          material liability for life, health, medical or other welfare benefits
          to former employees or beneficiaries or dependents thereof, except for
          health continuation coverage as required by Section 4980B of the Code
          or Part 6 of Title I of ERISA and except for coverage provided at no
          expense to the Company. 

               (xi)  Except as set forth on Schedule 3.1(i)(xi) of the Company
          Disclosure Schedule, neither the execution and delivery of this
          Agreement nor the consummation of the transactions contemplated hereby
          will (either alone or in conjunction with any other event) result in,
          cause the accelerated vesting or delivery of, or increase the amount
          or value of, any payment or benefit to any employee, officer or
          director of the Company or any of its subsidiaries.  

               (xii) None of the Company and its subsidiaries nor any other
          person, including any fiduciary, has engaged in any "prohibited
          transaction" (as defined in Section 4975 of the Code or Section 406 of
          ERISA), which could subject any of the Employee Benefit Plans or their
          related trusts, the Company, any of its subsidiaries or any person
          that the Company or any of its subsidiaries has an obligation to
          indemnify, to any material tax or penalty imposed under Section 4975
          of the Code or Section 502 of ERISA.

               (xiii)    There are no pending or threatened claims (other than
          claims for benefits in the ordinary course), lawsuits or arbitrations
          which have been asserted or instituted, or to Company's knowledge, no
          set of circumstances exists which may reasonably give rise to a claim
          or lawsuit, against the Plans, any fiduciaries thereof with respect to
          their duties to the Plans or the assets of any of the trusts under any
          of the Plans which could reasonably be expected to result in any
          material liability of the Company or any of its subsidiaries to the
          Pension Benefit Guaranty Corporation, the Department of Treasury, the
          Department of Labor, any Multiemployer Plan, any Plan or any
          participant in a Plan.

               (xiv) All Employee Benefit Plans subject to the laws of any
          jurisdiction outside of the United States (i) have been maintained in
          accordance with all applicable requirements, (ii) if they are intended
          to qualify for special tax treatment meet all requirements for such
          treatment, and (iii) if they are intended to be funded

                                     -15-
<PAGE>


          and/or book-reserved are fully funded and/or book-reserved, as
          appropriate, based upon reasonable actuarial assumptions.

          (j)  TAXES.  (i)  Each of the Company and its subsidiaries has 
timely filed all material Federal, state, local and foreign tax returns and 
reports required to be filed by it through the date hereof and shall timely 
file all such returns and reports required to be filed on or before the 
Effective Time. All such returns and reports are and will be true, complete 
and correct in all material respects.  The Company and each of its 
subsidiaries has paid and discharged (or the Company has paid and discharged 
on its behalf) all material taxes due from them, other than such taxes as are 
being contested in good faith by appropriate proceedings and are adequately 
reserved for on the most recent financial statements contained in the SEC 
Documents filed prior to the date of the Agreement.  All taxes payable by the 
Company and its subsidiaries (A) for all taxable periods and portions thereof 
through the date of the most recent financial statements contained in the SEC 
Documents filed prior to the date of this Agreement are properly reflected in 
accordance with generally accepted accounting principles in such financial 
statements, and (B) the unpaid taxes of the Company and its subsidiaries do 
not exceed the amount shown therefor on such financial statements adjusted 
for the passage of time through the Effective Time in accordance with past 
custom and practice of the Company and its subsidiaries in filing their tax 
returns.  The Company and each of its subsidiaries has withheld all material 
amounts required to be withheld under applicable tax laws from any employee, 
creditor or other person.  There are no material liens for taxes upon the 
assets of the Company or any of its subsidiaries, other than liens for 
current taxes not yet due.

               (ii)  Except for taxes being contested in good faith and
          adequately reserved for in the Company's financial statements, no
          claim or deficiency for any taxes has been proposed, threatened,
          asserted or assessed by the IRS or any other taxing authority or
          agency against the Company, or any of its subsidiaries which, if
          resolved against the Company or any of its subsidiaries, could,
          individually or in the aggregate, reasonably be expected to have a
          material adverse effect upon the Company, and no requests for waivers
          of the time to assess any material taxes or file any material tax
          return or report are pending.  The Federal income tax returns of the
          Company and each of its subsidiaries consolidated in such returns have
          been examined by and settled with the Internal Revenue Service for all
          years through fiscal year 1995.  The Company has made available to
          Parent true and correct copies of all federal, state, local and
          foreign income tax returns, and state and local property and sales tax
          returns and any other tax returns filed by the Company or any of its
          subsidiaries for any of the taxable periods that remains open, as of
          the date hereof, for examination or assessment of tax.

               (iii) Neither the Company nor any of its subsidiaries has made
          an election under Section 341(f) of the Code.  The Company is not and
          has never been a United States real property holding corporation
          within the meaning of Section 897 of the Code.  Neither the Company
          nor any of its subsidiaries has constituted either a "distributing
          corporation" or a "controlled corporation" in a distribution of stock

                                     -16-
<PAGE>


          qualifying for tax-free treatment under Section 355 of the Code 
          (x) in the prior 24 month period or (y) in a distribution which could
          otherwise constitute part of a "plan" or "series of related
          transactions" (within the meaning of Section 355(e) of the Code) in
          conjunction with the Merger.

               (iv)  Neither the Company nor any of its subsidiaries has any
          liability for material taxes of any person (other than the Company and
          its subsidiaries) under Treasury Regulation Section 1.1502-6 (or any
          comparable provision of state, local or foreign law), by contract or
          otherwise.  Neither the Company nor any subsidiary is a party to any
          agreement, understanding or arrangement relating to the allocation or
          sharing of taxes.  

               (v)   Neither the Company nor any of its subsidiaries has taken
          or agreed to take any action or has any knowledge of any fact or
          circumstance that might prevent or impede the Merger from qualifying
          as a reorganization within the meaning of Section 368(a) of the Code.

               (vi)  As used in this Agreement, "TAXES" shall include all
          Federal, state, local and foreign income, property, sales,
          withholding, excise and other taxes, of any nature whatsoever (whether
          payable directly or by withholding), together with any interest and
          penalties, additions to tax or additional amounts imposed with respect
          thereto.  Notwithstanding the definition of "subsidiary" set forth in
          Section 8.3 of this Agreement, for the purposes of this Section
          3.1(j), references to the Company and each of its subsidiaries shall
          also include former subsidiaries of the Company for the periods during
          which any such corporations were included in any consolidated,
          combined or unitary tax return of the Company.

          (k)  NO EXCESS PARACHUTE PAYMENTS.  Any amount that could be received
(whether in cash or property or the vesting of property) as a result of any of
the transactions contemplated by this Agreement by any employee, officer or
director of the Company or any of its affiliates who is a "disqualified
individual" (as such term is defined in proposed Treasury Regulation Section
1.280G-1) under any employment, severance or termination agreement, other
compensation arrangement or Benefit Plan currently in effect would not be
characterized as an "excess parachute payment" (as such term is defined in
Section 280G(b)(1) of the Code).

          (l)  LABOR AGREEMENTS.  Neither the Company nor any of its 
subsidiaries is a party to any collective bargaining agreement or other labor 
agreement with any union or labor organization and, to the knowledge of the 
Company, there is no activity or proceeding of any labor organization (or 
representative thereof) to organize any such employees.  The Company and its 
subsidiaries are not subject to any pending or, to the knowledge of the 
Company, threatened (i) material unfair labor practice, employment 
discrimination or other complaint, (ii) strike or lockout or material 
dispute, slowdown or work stoppage or (iii) material claim, suit, action or 
govern-

                                     -17-
<PAGE>


mental investigation, in respect of which any director, officer, employee or 
agent of the Company or any of its subsidiaries is or may be entitled to 
claim indemnification from the Company or any subsidiary.

          (m)  COMPLIANCE WITH APPLICABLE LAWS.  (i)  Each of the Company and 
its subsidiaries has in effect all Federal, state, local and foreign 
governmental approvals, authorizations, certificates, filings, franchises, 
licenses, notices, permits and rights ("PERMITS") necessary for it to own, 
lease or operate its properties and assets and to carry on its business as 
now conducted, and there has occurred no default under any such Permit, 
except for the lack of Permits and for defaults under Permits which lack or 
default individually or in the aggregate could not reasonably be expected to 
have a material adverse effect on the Company.  Except as disclosed in the 
SEC Documents filed prior to the date of this Agreement, the Company and its 
subsidiaries are in compliance with all applicable statutes, laws, 
ordinances, rules, orders and regulations of any Governmental Entity, except 
for noncompliance which individually or in the aggregate could not have a 
material adverse effect on the Company.

               (ii)  To the knowledge of the Company, the Company and each of
          its subsidiaries is, and has been, and each of the Company's former
          subsidiaries, while subsidiaries of the Company, was, in compliance in
          all material respects with all applicable Environmental Laws, except
          for noncompliance which individually or in the aggregate could not
          reasonably be expected to have a material adverse effect on the
          Company.  The term "ENVIRONMENTAL LAWS" means any Federal, state,
          local or foreign statute, code, ordinance, rule, regulation, policy,
          guideline, permit, consent, approval, license, judgment, order, writ,
          decree, injunction or other authorization, including the requirement
          to register underground storage tanks, relating to:  (A) emissions,
          discharges, releases or threatened releases of Hazardous Material (as
          hereinafter defined) into the environment, including, without
          limitation, into ambient air, soil, sediments, land surface or
          subsurface, buildings or facilities, surface water, groundwater,
          publicly owned treatment works, septic systems or land; or (B) the
          generation, treatment, storage, disposal, use, handling,
          manufacturing, transportation or shipment of Hazardous Material.

               (iii) During the period of ownership or operation by the Company
          and its subsidiaries of any of their respective current or previously
          owned or leased properties, to the knowledge of the Company there have
          been no releases of Hazardous Material in, on, under or affecting such
          properties or any surrounding site, except in each case for those
          which individually or in the aggregate could not reasonably be
          expected to have a material adverse effect on the Company.  Prior to
          the period of ownership or operation by the Company and its
          subsidiaries of any of their respective current or previously owned or
          leased properties, to the knowledge of the Company, no Hazardous
          Material was generated, treated, stored, disposed of, used, handled or
          manufactured at, or transported, shipped or disposed of from, such
          currently or previously owned or leased properties, and there were no
          releases of Hazardous Material in, on, under or affecting any such
          property or any 
                                     -18-
<PAGE>


          surrounding site, except in each case for those which individually
          or in the aggregate could not reasonably be expected to have
          a material adverse effect on the Company.  The term "HAZARDOUS
          MATERIAL" means (A) hazardous materials, contaminants, constituents,
          medical wastes, hazardous or infectious wastes and hazardous
          substances as those terms are defined in the following statutes and
          their implementing regulations:  the Hazardous Materials
          Transportation Act, 49 U.S.C. Section  1801 ET SEQ., the Resource
          Conservation and Recovery Act, 42 U.S.C. Section  6901 ET SEQ., the
          Comprehensive Environmental Response, Compensation and Liability Act,
          as amended by the Superfund Amendments and Reauthorization Act, 42
          U.S.C. Section  9601 ET SEQ., the Clean Water Act, 33 U.S.C. Section
          1251 ET SEQ. and the Clean Air Act, 42 U.S.C. Section  7401 ET SEQ.,
          (B) petroleum, including crude oil and any fractions thereof, (C)
          natural gas, synthetic gas and any mixtures thereof, (D) asbestos
          and/or asbestos-containing material, and (E) PCBs, or materials or
          fluids containing PCBs in excess of 50 ppm.

          (n)  CONTRACTS; DEBT INSTRUMENTS.  Except as disclosed in Schedule
3.1(n) of the Company Disclosure Schedule or for contracts filed as an exhibit
to the Company's latest Annual Report on Form 10-K, there is no contract or
agreement that is material to the business, financial condition or results of
operations of the Company and its subsidiaries taken as a whole ("MATERIAL
CONTRACT").  Each Material Contract of the Company is valid and binding and in
full force and effect, and neither the Company nor any of its subsidiaries is in
violation of or in default under (nor does there exist any condition which upon
the passage of time or the giving of notice, or both, would cause such a
violation of or default under) any loan or credit agreement, note, bond,
mortgage, indenture or lease, or any other Material Contract to which it is a
party or by which it or any of its properties or assets is bound, except for
such failures to be valid and binding and for violations or defaults that could
not, individually or in the aggregate, reasonably be expected to result in a
material adverse effect on the Company.  Set forth in Section 3.1(n) of the
Company Disclosure Schedule is a description of any material changes to the
amount and terms of the indebtedness of the Company and its subsidiaries as
described in the Company's Form 10-Q for the quarter ended January 31, 1999. 
The Company and its subsidiaries are not, and after the Effective Time neither
the Surviving Corporation nor Parent will be (by reason of any agreement to
which the Company is a party), subject to any noncompetition or similar
restriction on their respective businesses.

          (o)  INTELLECTUAL PROPERTY.  Except as could not, individually and in
the aggregate, reasonably be expected to have a material adverse effect on the
Company, (i) the Company and each of its subsidiaries owns, has the right to
acquire or is licensed or otherwise has the right to use (in each case, free and
clear of any Liens), all Intellectual Property (as defined below) used in the
conduct of its business as currently conducted, (ii) no claims are pending or,
to the knowledge of the Company, threatened, that the Company or any of its
subsidiaries is infringing on or otherwise violating the rights of any person
with regard to any Intellectual Property, and (iii) to the knowledge of the
Company, no person is infringing on or otherwise violating any right of the
Company or any of its subsidiaries with respect to any Intellectual Property
owned by the Company or its subsidiaries.  For purposes of this Agreement,
"INTELLECTUAL PROPERTY" shall mean patents, copyrights, trademarks (registered
or unregistered), service marks, brand names, trade dress,

                                     -19-
<PAGE>


trade names, the goodwill associated with the foregoing and registrations in 
any jurisdiction of, and applications in any jurisdiction to register, the 
foregoing; and trade secrets and rights in any jurisdiction to limit the use 
or disclosure thereof by any person.

          (p)  ACCOUNTING MATTERS.  Neither the Company nor, to its knowledge,
any of its affiliates has taken or agreed to take any action or has knowledge of
any fact or circumstance relating to the Company that would prevent Parent from
accounting for the business combination to be effected by the Merger as a
pooling-of-interests.

          (q)  OPINION OF FINANCIAL ADVISOR.  The Company has received the 
opinion of Lazard Freres & Co. LLC, dated the date of this Agreement, to the 
effect that, as of such date, the Exchange Ratio to be used in the Merger is 
fair to the Company's stockholders, taken as a whole, from a financial point 
of view, and a copy of such signed opinion will be delivered to Parent as 
soon as practicable.

          (r)  BROKERS.  No broker, investment banker, financial advisor or
other person, other than Lazard Freres & Co. LLC, the fees and expenses of which
have been disclosed to Parent and will be paid by the Company, is entitled to
any broker's, finder's, financial advisor's or other similar fee or commission
in connection with the transactions contemplated by this Agreement based upon
arrangements made by or on behalf of the Company.  The Company has separately
disclosed to Parent the amount of payment due to Lazard Freres & Co. LLC in
respect of the Merger.  The Company will promptly deliver to Parent a complete
and correct set of all agreements (and amendments thereof) between the Company
and Lazard Freres & Co. LLC pursuant to which such firm would be entitled to any
payment relating to the Merger.

          (s)  STATE TAKEOVER STATUTES.  The Company has taken all requisite 
action to render inapplicable to this Agreement, the Stockholders Support 
Agreement and the transactions contemplated hereby and thereby the provisions 
of Section 203 of the DGCL and such action is effective at the date of this 
Agreement.  To the knowledge of the Company, no other state takeover statute 
or similar statute or regulation is applicable to the Company or applies to 
the Merger, this Agreement, the Stockholders Support Agreement, or any of the 
transactions contemplated by this Agreement or the Stockholders Support 
Agreement.

          (t)  YEAR 2000 COMPLIANCE.  The Company has initiated a review and 
assessment of the Year 2000 Problem (as hereinafter defined), has developed a 
plan for addressing the Year 2000 Problem on a timely basis and has to date 
implemented such plan, except where the Company's failure to do so is not 
reasonably likely to have a material adverse effect on the Company.  Except 
as could not reasonably be expected to have a material adverse effect on the 
Company, to the knowledge of the Company none of the assets or properties 
owned or utilized by the Company will fail to perform because of the Year 
2000 Problem. The term "YEAR 2000 PROBLEM" means the material inability of 
any hardware, software or process to recognize and correctly calculate dates 
on and after January 1, 2000, or the failure of computer systems, products or 
services 

                                     -20-
<PAGE>

to perform any of their intended functions in a proper manner in connection 
with data containing any date on or after January 1, 2000.

          SECTION 3.2.   REPRESENTATIONS AND WARRANTIES OF PARENT AND SUB. 
Except as disclosed by specific reference to the applicable section of the 
Disclosure Schedule delivered by Parent to the Company concurrently herewith 
(the "PARENT DISCLOSURE SCHEDULE"), Parent and Sub represent and warrant to 
the Company as follows:

          (a)  ORGANIZATION, STANDING AND CORPORATE POWER.  Each of Parent 
and Sub is a corporation duly organized, validly existing and in good 
standing under the laws of the jurisdiction in which it is incorporated and 
has the requisite corporate power and authority to carry on its business as 
now being conducted. Each of Parent and Sub is duly qualified or licensed to 
do business and is in good standing in each jurisdiction in which the nature 
of its business or the ownership or leasing of its properties makes such 
qualification or licensing necessary, other than in such jurisdictions where 
the failure to be so qualified or licensed (individually or in the aggregate) 
could not reasonably be expected to have a material adverse effect on Parent. 
 Parent has made available to the Company complete and correct copies of its 
certificate of incorporation and by-laws and the certificate of incorporation 
and by-laws of Sub, in each case as amended to the date of this Agreement.

          (b)  CAPITAL STRUCTURE.  The authorized capital stock of Parent as of
the date of this Agreement consists of 300,000,000 shares of Parent Common Stock
and 15,000,000 shares of preferred stock, without par value.  At the close of
business on April 16, 1999, (i) 135,408,036 shares of Parent Common Stock and no
shares of preferred stock were issued and outstanding, (ii) 11,595,000 shares of
Parent Common Stock were held by Parent in its treasury, and (iii) 15,000,000
shares of Parent Common Stock were reserved for issuance upon exercise of
outstanding employee stock options to purchase shares of Parent Common Stock. 
The number of shares of Parent Common Stock issuable under this Agreement has
been or will be reserved for issuance.  Except as set forth above, at the close
of business on April 16, 1999, no shares of capital stock or other voting
securities of the Parent were issued, reserved for issuance or outstanding.  All
outstanding shares of capital stock of Parent are, and all shares which may be
issued pursuant to this Agreement will be, when issued, duly authorized, validly
issued, fully paid and nonassessable and not subject to preemptive rights.  As
of the date of this Agreement, there are no bonds, debentures, notes or other
indebtedness of Parent having the right to vote (or convertible into, or
exchangeable for, securities having the right to vote) on any matters on which
stockholders of Parent may vote.  Except as set forth above, as of the date of
this Agreement, there are no outstanding securities, options, warrants, calls,
rights, commitments, agreements, arrangements or undertakings of any kind to
which Parent is a party or by which it is bound obligating Parent to issue,
deliver or sell, or cause to be issued, delivered or sold, additional shares of
capital stock or other voting securities or obligating Parent to issue, grant,
extend or enter into any such security, option, warrant, call, right,
commitment, agreement, arrangement or undertaking.  As of the date of this
Agreement, there are no outstanding contractual oblgations of Parent to
repurchase, redeem or otherwise acquire any shares of its capital stock.  As of
the date of this Agreement, the authorized capital stock of Sub consists of
1,000 shares of common stock, par value $.01 per 

                                     -21-
<PAGE>


share, of which 100 shares have been validly issued, are fully paid and 
nonassessable and are owned by Parent free and clear of any Liens. 

          (c)  AUTHORITY; NONCONTRAVENTION.  Parent and Sub have the requisite
corporate power and authority to enter into this Agreement and to consummate the
transactions contemplated hereby.  The execution and delivery of this Agreement
and the consummation of the transactions contemplated hereby have been duly
authorized by all necessary corporate action on the part of Parent and Sub. 
This Agreement has been duly executed and delivered by Parent and Sub and
constitutes a valid and binding obligation of each such party, enforceable
against each such party in accordance with its terms.  The execution and
delivery of this Agreement does not, and the consummation of the transactions
contemplated hereby and compliance with the provisions hereof will not, conflict
with, or result in any violation of, or default (with or without notice or lapse
of time, or both) under, or require the consent of (or the giving notice to) a
third party with respect to, or give rise to a right of termination,
cancellation or acceleration of any obligation or to loss of a material benefit
under, or result in the creation of any Lien upon any of the properties or
assets of Parent or any of its subsidiaries under, (i) the certificate of
incorporation or by-laws of Parent or Sub, (ii) any loan or credit agreement,
note, bond, mortgage, indenture, lease or other agreement, instrument, permit,
concession, franchise or license applicable to Parent or any of its subsidiaries
or their respective properties or assets as of the date hereof, or (iii) subject
to the governmental filings and other matters referred to in the following
sentence, any judgment, order, decree, statute, law, ordinance, rule or
regulation applicable to Parent or any of its subsidiaries or their respective
properties or assets, other than, in the case of clauses (ii) or (iii), any such
conflicts, violations, defaults, rights or Liens that individually or in the
aggregate could not reasonably be expected to (x) have a material adverse effect
on Parent, (y) impair in any material respect the ability of Parent and Sub to
perform their respective obligations under this Agreement, or (z) prevent or
materially delay the consummation of any of the transactions contemplated
hereby.  No consent, approval, order or authorization of, or registration,
declaration or filing with any Governmental Entity is required by Parent or any
of its subsidiaries in connection with the execution and delivery of this
Agreement or the consummation by Parent or Sub, as the case may be, of any of
the transactions contemplated hereby, except for (i) the filing with the
Specified Agencies of a premerger notification and report form under the HSR
Act, (ii) the filing with the SEC of (x) the Form S-4 and (y) such reports under
Sections 13(a), 13(d) and 16(a) of the Exchange Act as may be required in
connection with this Agreement and the transactions contemplated hereby, (iii)
the filing of the Certificate of Merger with the Delaware Secretary of State and
appropriate documents with the relevant authorities of other states in which the
Company is qualified to do business, and (iv) such other consents, approvals,
orders, authorizations, registrations, declarations and filings, including under
(x) the laws of any foreign country in which the Company or any of its
subsidiaries conducts any business or owns any property or assets or (y) the
"takeover" or "blue sky" laws of various states, the failure of which to be
obtained or made could not, individually or in the aggregate, reasonably be
expected to have a material adverse effect on Parent or prevent or materially
delay the consummation of any of the transactions contemplated by this
Agreement.

          (d)  SEC DOCUMENTS; FINANCIAL STATEMENTS.  Since January 1, 1997,
Parent has filed with the SEC all required reports and forms and other documents
(the "PARENT SEC DOCU-


                                     -22-
<PAGE>

MENTS"). As of their respective dates, the Parent SEC Documents complied in 
all material respects with the requirements of the Securities Act or the 
Exchange Act, as the case may be, and the rules and regulations of the SEC 
promulgated thereunder applicable to such Parent SEC Documents, and none of 
the Parent SEC Documents contained any untrue statement of a material fact or 
omitted to state a 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.  Except to the extent that information 
contained in any Parent SEC Document has been revised or superseded by a 
later-filed Parent SEC Document filed and publicly available prior to the 
date of this Agreement, none of the Parent SEC Documents contains any untrue 
statement of a material fact or omits 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.  The 
financial statements of Parent included in the Parent SEC Documents comply as 
to form in all material respects with all applicable accounting requirements 
and the published rules and regulations of the SEC with respect thereto, have 
been prepared in accordance with generally accepted accounting principles 
(except, in the case of unaudited statements, as permitted by Form 10-Q of 
the SEC) applied on a consistent basis during the periods involved (except as 
may be indicated in the notes thereto) and fairly present the consolidated 
financial position of Parent and its consolidated subsidiaries as of the 
dates thereof and the consolidated results of their operations and cash flows 
for the periods then ended (subject, in the case of unaudited statements, to 
normal year-end adjustments).  Except as set forth in the SEC Documents filed 
prior to the date of this Agreement (or, with respect to any future 
repetition of this representation, prior to the time of such repetition), and 
except for liabilities and obligations incurred in the ordinary course of 
business consistent with past practice since the date of the most recent 
consolidated balance sheet included in the SEC Documents, neither Parent nor 
any of its subsidiaries has any liabilities or obligations of any nature 
(whether accrued, absolute, contingent or otherwise) required by generally 
accepted accounting principles to be set forth on a consolidated balance 
sheet of Parent and its consolidated subsidiaries or in the notes thereto.

          (e)  INFORMATION SUPPLIED.  None of the information supplied or to be
supplied by Parent or Sub for inclusion or incorporation by reference in (i) the
Form S-4 will, at the time the Form S-4 is filed with the SEC, at any time it is
amended or supplemented or at the time it becomes effective under the Securities
Act, 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 light of the circumstances under which they are made, not
misleading or (ii) the Information Statement will, at the date the Information
Statement is mailed to the Company's stockholders, 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 light of the
circumstances under which they are made, not misleading.  The Form S-4 will
comply as to form in all material respects with the requirements of the
Securities Act and the rules and regulations promulgated thereunder, except that
no representation or warranty is made by Parent or Sub with respect to
statements made or incorporated by reference in either the Form S-4 or the
Information Statement based on information supplied by the Company specifically
for inclusion or incorporation by reference therein.

                                     -23-
<PAGE>


          (f)  ABSENCE OF CERTAIN CHANGES OR EVENTS.  Except as disclosed in 
the Parent SEC Documents filed prior to the date of this Agreement, since 
January 1, 1999, Parent has conducted its business only in the ordinary 
course consistent with prior practice and there has not been (i) any material 
adverse change in Parent, (ii) except for regular quarterly cash dividends, 
any declaration, setting aside or payment of any dividend or distribution 
(whether in cash, stock or property) with respect to any of Parent's capital 
stock, (iii) any split, combination or reclassification of any of its capital 
stock or any issuance or the authorization of any issuance of any other 
securities in respect of, in lieu of or in substitution for shares of its 
capital stock, (iv) any damage, destruction or loss, whether or not covered 
by insurance, that has or could reasonably be expected to have a material 
adverse effect on Parent, (v) any change in accounting methods, principles or 
practices by Parent materially affecting its assets, liabilities or business 
except insofar as may have been required by a change in generally accepted 
accounting principles, or (vi) any agreement to do any of the things 
described in the preceding clauses (i) through (v).

          (g)  LITIGATION.  Except as disclosed in the Parent SEC Documents 
filed prior to the date of this Agreement, as of the date of this Agreement 
there is no suit, action or proceeding pending or, to the knowledge of 
Parent, threatened against Parent or any of its subsidiaries that, 
individually or in the aggregate, could reasonably be expected to (i) have a 
material adverse effect on Parent, (ii) impair in any material respect the 
ability of Parent to perform its obligations under this Agreement, or (iii) 
prevent the consummation of any of the transactions contemplated by this 
Agreement, nor is there any judgment, decree, injunction, rule or order of 
any Governmental Entity or arbitrator outstanding against Parent or any of 
its subsidiaries having, or which is reasonably likely to have, any effect 
referred to in the foregoing clauses (i) through (iii).

          (h)  COMPLIANCE WITH APPLICABLE LAWS.  (i)  Each of Parent and its
subsidiaries has in effect all Permits necessary for it to own, lease or operate
its properties and assets and to carry on its business as now conducted, and
there has occurred no default under any such Permit, except for the lack of
Permits and for defaults under Permits which lack or default individually or in
the aggregate could not reasonably be expected to have a material adverse effect
on Parent.  Except as disclosed in the Parent SEC Documents filed prior to the
date of this Agreement, Parent and its subsidiaries are in compliance with all
applicable statutes, laws, ordinances, rules, orders and regulations of any
Governmental Entity, except for possible noncompliance which individually or in
the aggregate could not reasonably be expected to have a material adverse effect
on Parent.

               (ii)  To the knowledge of Parent, Parent and each of its
          subsidiaries is, and has been, and each of Parent's former
          subsidiaries, while subsidiaries of Parent, was, in compliance in all
          material respects with all applicable Environmental Laws, except for
          possible noncompliance which individually or in the aggregate could
          not reasonably be expected to have a material adverse effect on
          Parent.

          (i)  ACCOUNTING MATTERS; TAX TREATMENT.  Neither Parent nor, to its
best knowledge, any of its affiliates has taken or agreed to take any action or
has knowledge of any

                                     -24-
<PAGE>


fact or circumstance relating to Parent that would prevent Parent from 
accounting for the business combination to be effected by the Merger as a 
pooling-of-interests.  Neither Parent nor any of its subsidiaries has taken 
or agreed to take any action or has any knowledge of any fact or circumstance 
that might prevent or impede the Merger from qualifying as a reorganization 
within the meaning of Section 368(a) of the Code.

          (j)  BROKERS.  No broker, investment banker, financial advisor or
other person, other than Salomon Smith Barney Inc., the fees and expenses of
which will be paid by Parent, is entitled to any broker's, finder's, financial
advisor's or other similar fee or commission in connection with the transactions
contemplated by this Agreement based upon arrangements made by or on behalf of
Parent or Sub.

          (k)  INTERIM OPERATIONS OF SUB.  Sub was formed solely for the purpose
of engaging in the transactions contemplated hereby, has engaged in no other
business activities and has conducted its operations only as contemplated
hereby.

                                     ARTICLE IV
                                          
                                          
                     COVENANTS RELATING TO CONDUCT OF BUSINESS

          SECTION 4.1.   CONDUCT OF BUSINESS.  (a)  CONDUCT OF BUSINESS BY 
THE COMPANY.  Between the date of this Agreement and the Effective Time, the 
Company shall, and shall cause its subsidiaries to, carry on their respective 
businesses in the ordinary course consistent with past practice and use all 
reasonable efforts to preserve intact their current business organizations, 
keep available the services of their current officers and employees and 
preserve their relationships with customers, suppliers and others having 
business dealings with them.  Without limiting the generality of the 
foregoing, between the date of this Agreement and the Effective Time, except 
(a) as expressly contemplated by this Agreement or (b) as set forth in 
Section 4.1(a) of the Company Disclosure Schedule, the Company shall not, and 
shall not permit any of its subsidiaries, without the prior written approval 
of Parent, to:

               (i)   (A)  declare, set aside or pay (whether in cash, stock,
          property, or otherwise) any dividends on, or make any other
          distributions in respect of, any of its capital stock, other than (x)
          the Company's regular quarterly cash dividends in amounts and with
          record and payment dates in the ordinary course of business consistent
          with past practice and (y) dividends and distributions by any direct
          or indirect wholly owned subsidiary of the Company to its parent, (B)
          split, combine or reclassify any of its capital stock, or issue or
          authorize the issuance of any other securities in respect of, in lieu
          of or in substitution for shares of its capital stock, or (C)
          purchase, redeem or otherwise acquire any shares of capital stock of
          the Company or any of its subsidiaries or any other securities thereof
          or any rights, warrants or options to acquire any such shares or other
          securities;

                                     -25-
<PAGE>


               (ii)  other than the issuance of Company Common Stock upon the
          exercise of Stock Options outstanding on the date of this Agreement in
          accordance with their present terms or in accordance with the present
          terms of any employment agreements existing on the date of this
          Agreement and described in Section 4.1(a) of the Company Disclosure
          Schedule, (A) issue, deliver, sell, award, pledge, dispose of or
          otherwise encumber or authorize or propose the issuance, delivery,
          grant, sale, award, pledge or other encumbrance (including limitations
          in voting rights) or authorization of, any shares of its capital
          stock, any other voting securities or any securities convertible into,
          or any rights, warrants or options to acquire, any such shares, voting
          securities or convertible securities, (B) amend or otherwise modify
          the terms of any such rights, warrants or options, or (C) accelerate
          the vesting of any of the Stock Options;

               (iii) amend its certificate of incorporation, by-laws or other
          comparable charter or organizational documents;

               (iv)  acquire or agree to acquire (for cash or shares of stock
          or otherwise) (A) by merging or consolidating with, or by purchasing a
          substantial portion of the assets of, or by any other manner, any
          business or any corporation, partnership, joint venture, association
          or other business organization or division thereof or (B) except for
          capital assets consistent with (vii) below, any assets except in the
          ordinary course of business consistent with past practice; 

               (v)   mortgage or otherwise encumber or subject to any Lien, or
          sell, lease, exchange or otherwise dispose of any of, its properties
          or assets, except for sales of its products in the ordinary course of
          business consistent with past practice;

               (vi)  (A)  incur any indebtedness for borrowed money (including
          under existing credit facilities) or guarantee any such indebtedness
          of another person, issue or sell any debt securities or warrants or
          other rights to acquire any debt securities of the Company or any of
          its subsidiaries, guarantee any debt securities of another person,
          enter into any "keep well" or other agreement to maintain any
          financial statement condition of another person or enter into any
          arrangement having the economic effect of any of the foregoing, except
          for the incurrence of indebtedness to finance the Company's working
          capital needs which, in the aggregate, do not exceed $1,000,000,
          provided that the terms of any such indebtedness (including any
          prepayment penalty) shall be subject to the approval of Parent, or (B)
          make any loans, advances or capital contributions to, or investments
          in, any other person, other than to the Company or any direct or
          indirect wholly owned subsidiary of the Company;

                                     -26-




<PAGE>

               (vii)  make or agree to make any capital expenditures except as
          consistent with the Company's Fiscal 1999 and Fiscal 2000 Capital
          Budget previously provided to Parent on a pro rata basis in each of
          those fiscal years;

              (viii)  make or rescind any express or deemed election relating
          to taxes, settle or compromise any claim, action, suit, litigation,
          proceeding, arbitration, investigation, audit or controversy relating
          to taxes, change any of its methods of reporting income or deductions
          for Federal income tax purposes except as may be required by
          applicable law or file any tax return or report other than in a manner
          consistent with past practice;

               (ix)  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 consistent with past practice or in
          accordance with their terms, of liabilities reflected or reserved
          against in the most recent consolidated financial statements of the
          Company included in the SEC Documents or incurred in the ordinary
          course of business consistent with past practice;

               (x)   (A)  increase the rate or terms of compensation payable or
          to become payable generally to any of the Company's directors,
          officers or employees other than in connection with promotions and
          regular raise cycle increases in the ordinary course and in accordance
          with past practices and after consultation with Parent, (B) pay or
          agree to pay any pension, retirement allowance or other employee
          benefit not provided for by any existing Employee Benefit Plan or
          employment agreement described in the SEC Documents filed prior to the
          date of this Agreement, (C) commit itself to any additional pension,
          profit sharing, bonus, incentive, deferred compensation, stock
          purchase, stock option, stock appreciation right, group insurance,
          severance pay, continuation pay, termination pay, retirement or other
          employee benefit plan, agreement or arrangement, or increase the rate
          or terms of any employee plan or benefit arrangement, (D) enter into
          any employment agreement with or for the benefit of any person, or (E)
          increase the rate of compensation under or otherwise change the terms
          of any existing employment agreement; 

               (xi)  except in the ordinary course of business consistent with
          past practice, modify, amend or terminate or fail to use reasonable
          business efforts to renew any material contract or agreement to which
          the Company or any subsidiary is a party, or waive, release or assign
          any material rights or claims (including any rights under any
          confidentiality agreements); or

                                      -27-

<PAGE>

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

          (b)  CONDUCT OF BUSINESS BY PARENT.  During the period from the date
of this Agreement to the Effective Time, Parent shall, and shall cause its
subsidiaries to, carry on their respective businesses in the ordinary course
consistent with past practice and use all reasonable efforts to preserve their
relationships with customers, suppliers and others having business dealings with
them; PROVIDED that the foregoing shall not prevent Parent or any of its
subsidiaries from discontinuing or disposing of any part of its assets or
business or from acquiring any assets or businesses or from entering into any
financing transactions if such action is, in the judgment of Parent, desirable
in the conduct of the business of Parent and its subsidiaries.  Without limiting
the generality of the foregoing, during the period from the date of this
Agreement to the Effective Time, except as (i) expressly contemplated by this
Agreement or (ii) as set forth in a writing delivered to the Company prior to
the execution hereof, Parent shall not, and shall not permit any of its
subsidiaries to:

               (i)   (A)  declare, set aside or pay (whether in cash or
          property) any dividends on, or make any other distributions in respect
          of, any capital stock other than dividends and distributions by any
          direct or indirect wholly owned subsidiary of Parent to its parent and
          except for regular quarterly cash dividends (in an amount determined
          in a manner consistent with Parent's past practice) declared by the
          Board of Directors of Parent with customary record and payment dates,
          or (B) split, combine or reclassify any of its capital stock or issue
          or authorize the issuance of any other securities in respect of, in
          lieu of or in substitution for shares of Parent's capital stock;

               (ii)  amend its certificate of incorporation (except to increase
          the number of shares authorized), by-laws or other comparable charter
          or organizational documents in a manner which could reasonably be
          expected to be materially adverse to the stockholders of the Company;
          or 

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

          (c)  OTHER ACTIONS.  The Company and Parent shall not, and shall not
permit any of their respective subsidiaries to, take any action that would
result in (i) any of the representations and warranties of such party set forth
in this Agreement that are qualified as to materiality, becoming untrue or (ii)
any of such representations and warranties that are not so qualified becoming
untrue in any material respect.

          SECTION 4.2.   NO SOLICITATION.  (a)  The Company shall not, nor shall
it permit any of its subsidiaries to, nor shall it authorize or permit any
officer, director or employee of, or any investment banker, attorney or other
advisor or representative of, the Company or any of its 

                                     -28-
<PAGE>


subsidiaries to, (i) solicit or initiate, or encourage or facilitate the 
submission of, any proposal or offer for a merger or other business 
combination involving the Company or any of its subsidiaries or any 
acquisition of any capital stock of, or any significant amount of the assets 
of, the Company or any of its subsidiaries, or (ii) participate in any 
discussions or negotiations regarding, or furnish to any person any 
information with respect to, or take any other action to facilitate any 
inquiries or the making of any proposal that constitutes, or may reasonably 
be expected to lead to, any such transaction (other than with respect to, and 
in connection with, the Merger and any other transaction contemplated by this 
Agreement).  The Company shall immediately terminate any currently on-going 
discussions with respect to any such transaction and shall request the return 
or destruction of any confidential information provided to any other party in 
connection with any such discussions during the past 12 months.  The Company 
shall promptly advise Parent orally and in writing of any request for 
information or of any proposal received from any third party relating to the 
Company or its securities, including the material terms and conditions of 
such request, proposal or inquiry, and the identity of the person making the 
same. The Company shall keep Parent informed on a current basis of the status 
and details of any such request, proposal or inquiry.

                                     ARTICLE V
                                          
                               ADDITIONAL AGREEMENTS

          SECTION 5.1.   PREPARATION OF FORM S-4 AND THE INFORMATION 
STATEMENT. As promptly as practicable after the execution of this Agreement, 
(i) the Company shall prepare and file with the SEC on Schedule 14C an 
information statement relating to this Agreement, the transactions 
contemplated hereby and the approval thereof by written consent of the 
stockholders of the Company (together with any amendments and supplements 
thereof or supplements thereto, the "INFORMATION STATEMENT"), and (ii) Parent 
shall prepare and file with the SEC a registration statement on Form S-4 
(together with all amendments thereto, the "FORM S-4") in which the 
Information Statement shall be included as a prospectus, in connection with 
the registration under the Securities Act of the shares of Parent Common 
Stock to be issued to the stockholders of the Company pursuant to the Merger. 
 Each of Parent and the Company shall use all reasonable efforts to cause the 
Form S-4 to become effective as promptly as practicable, and shall take all 
or any action required under any applicable Federal or state securities laws 
in connection with the issuance of shares of Parent Common Stock pursuant to 
the Merger.  Each of Parent and the Company shall furnish all information 
concerning itself to the other as the other may reasonably request in 
connection with such actions and the preparation of the Form S-4 and 
Information Statement.  Parent will advise the Company, and (where 
applicable) the Company will advise Parent, promptly after receiving from the 
SEC or any other Governmental Entity any of the following:  (i) notice that 
the Form S-4 has become effective, (ii) notice of the issuance of any stop 
order or the suspension of the qualification of the shares of Parent Common 
Stock issuable in connection with the Merger for offering or sale in any 
jurisdiction, (iii) a request for amendment of the Form S-4 or the 
Information Statement, or (iv) SEC comments to the Form S-4 or the 
Information Statement or requests for additional information with respect 
thereto.  As promptly as practicable after the Form S-4 shall have become 
effective, the Company shall mail the Information Statement to its 
stockholders.  Without limiting the foregoing, if Parent so requests, the 
Company will take all action necessary in accordance with applicable law and 
its Restated Certificate of Incorporation and By-Laws to convene a 

                                     -29-
<PAGE>


meeting of its stockholders to consider and vote upon the approval and 
adoption of this Agreement and the transactions contemplated hereby, and to 
submit this Agreement to the stockholders of the Company for their approval, 
or to solicit a further written consent, in lieu of a stockholders' meeting, 
of its stockholders approving and adopting this Agreement and the 
transactions contemplated hereby, and the Company and its Board of Directors 
shall take all lawful reasonable action to solicit, and use all reasonable 
efforts to obtain, such approval, including making any required filings with 
Governmental Entities.

          SECTION 5.2.   ACCESS TO INFORMATION; CONFIDENTIALITY.  Subject to any
applicable law and that certain confidentiality agreement executed in 1993, the
general nature of which has been disclosed, the Company shall, and shall cause
each of its subsidiaries to, afford to Parent, and to its officers, employees,
accountants, counsel, financial advisers and other representatives, full access
during normal business hours upon receipt of reasonable prior notice during the
period prior to the Effective Time to all of the Company's properties, books,
contracts, commitments, personnel and records and, during such period, the
Company shall, and shall cause each of its subsidiaries to, furnish promptly to
Parent, (a) a copy of each report, schedule, registration statement and other
document filed by it during such period pursuant to the requirements of Federal
or state securities laws and (b) all other information concerning its business,
properties and personnel as Parent may reasonably request.  Except as required
by law, Parent will hold, and will cause its officers, employees, accountants,
counsel, financial advisers and other representatives and affiliates to hold,
any confidential information in accordance with the Confidentiality Agreement
between Parent and the Company executed in connection with the Merger (the
"CONFIDENTIALITY AGREEMENT").

          SECTION 5.3.   REASONABLE EFFORTS; NOTIFICATION.  (a)  Upon the 
terms and subject to the conditions set forth in this Agreement, each of the 
parties agrees to use all reasonable efforts to take, or cause to be taken, 
all actions, and to do, or cause to be done, and to assist and cooperate with 
the other parties in doing, all things necessary, proper or advisable to 
consummate and make effective, in the most expeditious manner practicable, 
the Merger and the other transactions contemplated by this Agreement, 
including (i) the making of all necessary registrations and filings 
(including filings with Governmental Entities, if any), (ii) the obtaining of 
all necessary consents, approvals or waivers from third parties, and (iii) 
the execution and delivery of any additional instruments necessary to 
consummate the transactions contemplated by, and to fully carry out the 
purposes of, this Agreement.  Each party shall promptly notify the other 
parties of any communication to that party from any Governmental Entity and 
permit the other parties to review in advance any proposed communications to 
any Governmental Entity.  Parent and the Company shall not (and shall cause 
their respective affiliates and representatives not to) participate in any 
meeting with any Governmental Entity in respect of any filings, investigation 
or other inquiry unless it consults with the other party in advance and, to 
the extent permitted by such Governmental Entity, gives the other party the 
opportunity to attend and participate thereat.  Each of the parties hereto 
will coordinate and cooperate fully with the other parties hereto in 
exchanging such information and providing such assistance as such other 
parties may reasonably request in connection with the foregoing and in 
seeking early termination of any applicable waiting periods under the HSR Act 
or in connection with other required consents.  Each of the Company and 
Parent agrees to respond promptly to and comply fully with any request for 
additional infor-

                                     -30-
<PAGE>

mation or documents under the HSR Act.  Each party will provide the others 
with copis of all correspondence, filings or communications (or memoranda 
setting forth the substance thereof) between such party or any of its 
representatives, on the one hand, and any Governmental Entity or members of 
its staff, on the other hand, with respect to this Agreement and the 
transactions contemplated hereby.

          (b)  The Company shall give prompt notice to Parent, and Parent shall
give prompt notice to the Company, of (i) any representation or warranty made by
it contained in this Agreement that is qualified as to materiality becoming
untrue or inaccurate in any respect or any such representation or warranty that
is not so qualified becoming untrue or inaccurate in any material respect or
(ii) the failure by it to comply with or satisfy in any material respect any
covenant, condition or agreement to be complied with or satisfied by it under
this Agreement; PROVIDED, HOWEVER, that no such notification shall affect the
representations, warranties, covenants, or agreements of the parties or the
conditions to the obligations of the parties under this Agreement.

          SECTION 5.4.   EMPLOYEE STOCK PURCHASE PLAN.  The Company shall take
all necessary action so that any offering under the Company's Employee Stock
Purchase Plan that begins before the Effective Time and would otherwise end
after the Effective Time ends before the Effective Time and no such offering
begins after the Effective Time. 

          SECTION 5.5.   STOCK OPTION PLANS.  The Company and Parent shall take
all necessary action to provide that, at the Effective Time, and except as
provided in Section 5.4, all outstanding stock options to purchase shares of
Company Common Stock ("STOCK OPTIONS") heretofore granted under any stock option
or stock appreciation rights plan, program or arrangement of the Company
(collectively, the "STOCK OPTION PLANS") will be canceled and retired and shall
cease to exist, and that each holder of a Stock Option, whether or not then
exercisable, shall receive with respect to such Stock Option, without any action
on the part of such holder, the number of whole shares of Parent Common Stock
equal to (i) the Fair Value of such Stock Option (as defined below) divided by
(ii) the Average Parent Stock Price (as defined below), where: the "FAIR VALUE
OF SUCH STOCK OPTION" is equal to the product of  (x)  the number of shares of
Company Common Stock subject to such Stock Option and (y) the excess, if any, of
(A) the product of the Exchange Ratio and the Average Parent Stock Price over
(B) the exercise price of such Stock Option.  The Company shall use its
reasonable best efforts to receive any consents necessary to effectuate the
foregoing.  The Company represents and warrants that, under the terms of the
Stock Option Plans and the Stock Options, following the Effective Time, no
holder of a Stock Option or participant in any Stock Option Plan shall have any
right thereunder to acquire any capital stock of the Company, Parent or the
Surviving Corporation.

          SECTION 5.6.   BENEFIT PLANS AND EMPLOYEE MATTERS.  (a)  Parent 
agrees that the Company will honor, and, from and after the Effective Time, 
Parent will cause the Surviving Corporation to honor, in accordance with 
their respective terms as in effect on the date hereof, the employment, 
severance and bonus agreements and similar arrangements to which the Com-

                                     -31-
<PAGE>


pany is a party and which are set forth on Sections 3.1(i) and 5.5 of the 
Company Disclosure Schedule.

          (b)  Parent agrees that (i) for the period ending December 31, 
1999, the Surviving Corporation shall continue the compensation and employee 
benefit and welfare plans and programs of the Company to the extent 
practicable as in effect on the date hereof, and (ii) thereafter the 
Surviving Corporation shall provide employees of the Company and its 
subsidiaries immediately prior to the Effective Time ("COMPANY EMPLOYEES") as 
a whole (A) compensation (including bonus and incentive awards) programs and 
plans and (B) employee benefit and welfare plans, programs, contracts, 
agreements and policies (including insurance and pension plans), fringe 
benefits and vacation policies which are substantially the same as or not 
materially less favorable in the aggregate to such Company Employees than 
those generally in effect with respect to similarly situated employees of 
Parent.

          (c)  For all purposes under the employee benefit plans of Parent 
and its Affiliates providing benefits after the Effective Time, each Company 
Employee shall be credited with his or her years of service with the Company 
and its affiliates before the Effective Time, to the same extent as such 
Company Employee was entitled, before the Effective Time, to credit for such 
service under any similar Employee Benefit Plans (as defined in Section 
3.1(i)), except to the extent such credit would result in a duplication of 
benefits.  In addition, and without limiting the generality of the foregoing: 
 (i) each Company Employee shall be immediately eligible to participate, 
without any waiting time, in any and all employee benefit plans sponsored by 
Parent and its affiliates for the benefit of Company Employees (such plans, 
collectively, the "NEW PLANS") to the extent coverage under such New Plan 
replaces coverage under a comparable Employee Benefit Plan in which such 
Company Employee participated immediately before the Effective Time (such 
plans, collectively, the "OLD PLANS"); and (ii) for purposes of each New Plan 
providing medical, dental, pharmaceutical and/or vision benefits to any 
Company Employee, Parent shall cause all pre-existing condition exclusions 
and actively-at-work requirements of such New Plan to be waived for such 
employee and his or her covered dependents to the extent currently applicable 
to such persons.  

          (d)  Parent and the Company shall take all steps necessary or 
appropriate to terminate the Company's Deferred Compensation Plan on the 
terms and conditions set forth in this Section 5.6(d).  Parent shall 
determine which of the Company Employees who participate in such Deferred 
Compensation Plan will be eligible to participate in Parent's Executive 
Deferred Incentive Program (the "EDIP") immediately following the Effective 
Time, and shall offer each such Company Employee (an "EDIP PARTICIPANT") the 
opportunity to elect, not later than the tenth day after the Effective Time, 
whether or not such EDIP Participant's account balance under such Deferred 
Compensation Plan will be transferred to an EDIP account for such EDIP 
Participant as of December 31, 2000.  Such Deferred Compensation Plan shall 
terminate effective as of December 31, 2000, and the account balance 
thereunder as of December 31, 2000 of each participant who is not an EDIP 
Participant, as well as the account balance thereunder as of December 31, 
2000 of each EDIP Participant who does not elect to have his or her account 
balance transferred

                                     -32-
<PAGE>


as provided in the preceding sentence, shall be paid to such individual in 
cash as promptly as possible thereafter.

          SECTION 5.7.   INDEMNIFICATION, EXCULPATION AND INSURANCE.  (a)  
The certificate of incorporation and the by-laws of the Surviving Corporation 
shall contain the provisions with respect to indemnification and exculpation 
from liability set forth in the Company's Restated Certificate of 
Incorporation and By-laws on the date of this Agreement, which provisions 
shall not be amended, repealed or otherwise modified for a period of six 
years following the Effective Time in any manner that would adversely affect 
the rights thereunder of individuals who on or prior to the Effective Time 
were directors, officers, employees or agents of the Company, unless such 
modification is required by law. Parent shall cause the Surviving Corporation 
to comply with its obligations with respect to the indemnification provisions 
contained in the Surviving Corporation's certificate of incorporation and 
by-laws.

          (b)  For three years following the Effective Time, Parent shall 
maintain in effect 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 been heretofore 
delivered to Parent) (the "INDEMNIFIED PARTIES") with coverage limits  no 
less favorable than the terms of such current insurance coverage; PROVIDED, 
HOWEVER, that in no event shall Parent be required to expend in any one year 
an amount in excess of 200% of the annual premiums currently paid by the 
Company for such insurance; and PROVIDED FURTHER that if the annual premiums 
of such insurance coverage exceed such amount, Parent shall be obligated to 
obtain a policy with the greatest coverage available for a cost not exceeding 
such amount.

          (c)  In the event Parent, the Surviving Corporation or any of their
successors or assigns (i) 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 (ii) transfers all or substantially all of its
properties and assets to any person, then and in each such case, proper
provisions shall be made so that the successors and assigns of Parent or the
Surviving Corporation, as the case may be, shall assume the obligations set
forth in this Section 5.7.

          (d)  This Section 5.7 shall survive the consummation of the Merger at
the Effective Time, is intended to benefit the Company, Parent, the Surviving
Corporation and the Indemnified Parties, and shall be binding on all successors
and assigns of Parent and the Surviving Corporation.

          SECTION 5.8.   FEES AND EXPENSES.  All fees and expenses incurred 
in connection with the Merger, this Agreement and the transactions 
contemplated hereby shall be paid by the party incurring such fees or 
expenses, whether or not the Merger is consummated.

          SECTION 5.9.   PUBLIC ANNOUNCEMENTS.  Parent and Sub, on the one hand,
and the Company, on the other hand, will consult with each other before issuing,
and provide each 

                                     -33-
<PAGE>


other the opportunity to review and comment upon, any press release or other 
public statements with respect to the transactions contemplated by this 
Agreement, including the Merger, and shall not issue any such press release 
or make any such public statement prior to such consultation, except as may 
be required by applicable law, court process or by obligations pursuant to 
any listing agreement with any national securities exchange.  The parties 
agree that the initial press release to be issued with respect to the 
transactions contemplated by this Agreement shall be in the form heretofore 
agreed to by the parties.  

          SECTION 5.10.  AFFILIATES; ACCOUNTING AND TAX TREATMENT.  (a)  The
Company shall (x) within 30 days after the date of this Agreement, deliver to
Parent a letter identifying all persons who may be deemed affiliates of the
Company under Rule 145 of the Securities Act or otherwise under applicable SEC
accounting releases with respect to pooling-of-interests accounting treatment
and (y) use all reasonable efforts to obtain from each such affiliate, by the
thirtieth day prior to the Effective Time, a written agreement substantially in
the form of Exhibit 5.10 hereto.  The Company shall use all reasonable efforts
to obtain such a written agreement as soon as practicable from any person who
may be deemed to have become an affiliate of the Company, after the Company's
delivery of the letter referred to above and prior to the Effective Time.

          (b)  Each party hereto shall (i) use all reasonable efforts to cause
the Merger to qualify, and shall not take any actions which such party knows or
has reason to know could prevent the Merger from qualifying, for
pooling-of-interests accounting treatment and as a reorganization under the
provisions of Section 368(a) of the Code and (ii) use its reasonable efforts to
obtain the letters from the accountants referred to in Sections 6.2(e) and the
opinions of counsel referred to in Section 6.2(d) and Section 6.3(c).

          (c)  The Company shall (i) use all reasonable best efforts to 
secure the waiver of any limited stock appreciation rights or other rights to 
redeem for cash options or warrants of the Company by each holder thereof and 
(ii) subject to the prior consent of Parent, which shall not be unreasonably 
withheld, take such other actions as are necessary to cure any facts or 
circumstances that could prevent the Merger from qualifying for 
pooling-of-interests accounting treatment, including by reissuing "tainted 
treasury shares" of Company Common Stock in a manner (including pursuant to 
any registration statements filed with the SEC), limited to a number and at a 
time reasonably acceptable to Parent.

          SECTION 5.11.  STATE TAKEOVER LAWS.  The Company shall, upon the
request of Parent, take all reasonable steps to assist in any challenge by
Parent to the validity or applicability to the transactions contemplated by this
Agreement and the Stockholder Support Agreement, including the Merger, of any
state takeover law.

                                     -34-
<PAGE>


                                     ARTICLE VI
                                          
                                CONDITIONS PRECEDENT

          SECTION 6.1.   CONDITIONS TO EACH PARTY'S OBLIGATIONS TO EFFECT THE
MERGER.  The respective obligation of each party to effect the Merger is subject
to the satisfaction or waiver on or prior to the Closing Date of the following
conditions:

          (a)  NYSE LISTING.  The shares of Parent Common Stock issuable to the
Company's stockholders pursuant to this Agreement shall have  been approved for
listing on the NYSE, subject to official notice of issuance.

          (b)  NO INJUNCTIONS; LITIGATION.  No litigation brought by a
Governmental Entity shall be pending which seeks to enjoin or prohibit the
consummation of the Merger, and no temporary restraining order, preliminary or
permanent injunction or other order issued by any court of competent
jurisdiction or other legal restraint or prohibition preventing the consummation
of the Merger shall be in effect.  

          (c)  FORM S-4.  The Form S-4 shall have been declared effective by the
SEC under the Securities Act.  No stop order suspending the effectiveness of the
Form S-4 shall have been issued by the SEC, and no proceedings for that purpose
shall have been initiated or, to the knowledge of Parent or the Company,
threatened by the SEC which, in the case of any of the foregoing, shall be
ongoing.

          (d)  HSR ACT.  The applicable waiting period (and any extension
thereof) under the HSR Act shall have expired or been terminated.

          (e)  APPROVALS.  Other than the filing of merger documents in
accordance with the DGCL, all authorizations, consents, waivers, orders or
approvals required to be obtained, and all filings, notices or declarations
required to be made, by Parent, Sub and the Company prior to the consummation of
the Merger and the transactions contemplated hereunder shall have been obtained
from, and made with, all required Governmental Entities except for such
authorizations, consents, waivers, orders, approvals, filings, notices or
declarations the failure to obtain or make which would not have a material
adverse effect, at or after the Effective Time, on the Company or Parent.

          (f)  INFORMATION STATEMENT.  At least twenty calendar days shall have
elapsed from the mailing of the Information Statement to the stockholders of the
Company. 

                                     -35-
<PAGE>


        SECTION 6.2.  ADDITIONAL CONDITIONS TO OBLIGATIONS OF PARENT AND SUB.
The obligations of Parent and Sub to effect the Merger are also subject to 
the following conditions:

          (a)  REPRESENTATIONS AND WARRANTIES.  Each of the representations 
and warranties of the Company contained in this Agreement (when read to 
exclude any qualification or exception as to materiality or material adverse 
effect) shall, as of the Closing Date as though made on and as of the Closing 
Date, be true and correct except for such failures to be true and correct as 
could not, individually or in the aggregate, reasonably be expected to result 
in a material adverse effect on the Company or Parent; PROVIDED that those 
representations and warranties which address matters only as of a particular 
date shall remain true and correct in all material respects (except that 
where any statement in a representation or warranty expressly includes a 
standard of materiality, such statement shall be true and correct in all 
respects giving effect to such standard) as of such date.  Parent shall have 
received a certificate of the Chief Executive Officer and Chief Financial 
Officer of the Company to such effect.

          (b)  AGREEMENTS AND COVENANTS.  The Company shall have performed or
complied in all material respects with the agreements and covenants required by
this Agreement to be performed or complied with by it on or prior to the Closing
Date.  Parent shall have received a certificate of the Chief Executive Officer
and Chief Financial Officer of the Company to such effect.

          (c)  CONSENTS UNDER AGREEMENTS.  The Company shall have obtained the
consent or approval of each person whose consent or approval shall be required
in connection with the Merger under all loan or credit agreements, notes,
mortgages, indentures, leases or other agreements or instruments to which it or
any of its Material Subsidiaries is a party, except those for which failure to
obtain such consents and approvals would not have a material adverse effect on
the Company prior to or after the Effective Time or a material adverse effect on
Parent after the Effective Time.

          (d)  TAX OPINION.  Parent shall have received the opinion of Wachtell,
Lipton, Rosen & Katz, counsel to Parent, dated as of the Closing Date, to the
effect that, on the basis of facts, representations and assumptions set forth in
such opinion, the Merger will be treated for Federal income tax purposes as a
reorganization qualifying under the provisions of Section 368(a) of the Code. 
The issuance of such opinion shall be conditioned on the receipt of customary
representation letters in form and substance reasonably acceptable to Wachtell,
Lipton, Rosen & Katz.

          (e)  POOLING LETTER.  Parent shall have received from Arthur 
Andersen LLP, as independent auditors of Parent, on the date of the 
Information Statement and on the Closing Date, letters, in each case dated as 
of such respective dates, addressed to Parent, in form and substance 
reasonably acceptable to Parent and to the effect that the business 
combination to be effected by the Merger is required to be accounted for as a 
pooling-of-interests by Parent for pur-

                                     -36-
<PAGE>


poses of its consolidated financial statements under generally accepted 
accounting principles and applicable SEC rules and regulations.

          (f)  AFFILIATE AGREEMENTS.  Parent shall have received from each
person who may be deemed to be an affiliate of the Company (under Rule 145 of
the Securities Act or otherwise under applicable SEC accounting releases with
respect to pooling-of-interests accounting treatment) on or prior to the Closing
Date a signed agreement substantially in the form of Exhibit 5.10 hereto.

          SECTION 6.3.   ADDITIONAL CONDITIONS TO OBLIGATIONS OF THE COMPANY. 
The obligations of the Company to effect the Merger are also subject to the
following conditions:

          (a)  REPRESENTATIONS AND WARRANTIES.  Each of the representations 
and warranties of Parent contained in this Agreement (when read to exclude 
any qualification or exception as to materiality or material adverse effect) 
shall, as of the Closing Date as though made on and as of the Closing Date, 
be true and correct, except for such failures to be true and correct as could 
not, individually or in the aggregate, reasonably be expected to result in a 
material adverse effect on Parent; PROVIDED that those representations and 
warranties which address matters only as of a particular date shall remain 
true and correct in all material respects (except that where any statement in 
a representation or warranty expressly includes a standard of materiality, 
such statement shall be true and correct in all respects giving effect to 
such standard) as of such date.  The Company shall have received a 
certificate of the Chief Executive Officer and Chief Financial Officer of 
Parent to such effect.

          (b)  AGREEMENTS AND COVENANTS.  Parent shall have performed or 
complied in all material respects with the agreements and covenants required 
by this Agreement to be performed or complied with by it on or prior to the 
Closing Date.  The Company shall have received a certificate of the Chief 
Executive Officer and Chief Financial Officer of Parent to such effect.

          (c)  TAX OPINION.  The Company shall have received the opinion of 
McBride Baker & Coles, counsel to the Company, dated as of the Closing Date, 
to the effect that, on the basis of facts, representations and assumptions 
set forth in such opinion, the Merger will be treated for Federal income tax 
purposes as a reorganization qualifying under the provisions of Section 
368(a) of the Code and that neither the Company nor any of its stockholders 
will recognize any gain or loss for federal income tax purposes as a result 
of the Merger or receipt of the merger consideration (except with respect to 
cash paid in lieu of fractional shares).  The issuance of such opinion shall 
be conditioned on the receipt of customary representation letters in form and 
substance reasonably acceptable to McBride Baker & Coles.

          (d)  REGISTRATION RIGHTS AGREEMENT.  Parent shall have executed and
delivered to the other parties thereto a registration rights agreement in the
form of Exhibit 6.3(d) hereto.

                                     -37-
<PAGE>


                                    ARTICLE VII
                                          
                                          
                         TERMINATION, AMENDMENT AND WAIVER

          SECTION 7.1.   TERMINATION.  This Agreement may be terminated at 
any time prior to the Effective Time, whether before or after approval of 
matters presented in connection with the Merger by the stockholders of the 
Company:

          (a)  by mutual written consent of Parent and the Company;

          (b)  by Parent, upon a breach of any representation, warranty, 
covenant or agreement on the part of the Company set forth in this Agreement, 
or if any representation or warranty of the Company shall have become untrue, 
in either case such that the conditions set forth in Section 6.2(a) or 
Section 6.2(b), as the case may be, would be incapable of being satisfied by 
October 31, 1999; 

          (c)  by the Company, upon a breach of any representation, warranty,
covenant or agreement on the part of Parent set forth in this Agreement, or if
any representation or warranty of Parent shall have become untrue, in either
case such that the conditions set forth in Section 6.3(a) or Section 6.3(b), as
the case may be, would be incapable of being satisfied by October 31, 1999; 

          (d)  by either Parent or the Company, if any Governmental Entity shall
have issued an order, decree or ruling or taken any other action permanently
enjoining, restraining or otherwise prohibiting the consummation of the Merger
and such order, decree or ruling or other action shall have become final and
nonappealable; 

          (e)  by either Parent or the Company, if the Merger shall not have
occurred by October 31, 1999 unless the failure to consummate the Merger is the
result of a material breach of any representation, or warranty, covenant or
agreement set forth in this Agreement by the party seeking to terminate this
Agreement; 

          (f)  by the Company, by a vote of a majority of the members of its
entire Board of Directors, at any time during the two-day period commencing at
the close of business on the Determination Date (as defined below), in the event
the Average Parent Stock Price (as defined below) is less than $57.09; PROVIDED,
HOWEVER, that if the Company elects to exercise its termination right pursuant
to this Section 7.1(f), it shall give prompt written notice thereof to Parent,
and during the two-day period commencing with its receipt of such notice, Parent
may elect to increase the Exchange Ratio to equal that fraction of a share of
Parent Common Stock (rounded to four decimal points), the numerator of which is
the product of $57.09 and the Exchange Ratio (as then in effect) and the
denominator of which is the Average Parent Stock Price; if Parent makes 

                                     -38-

<PAGE>


an election contemplated by the above proviso to this Section 7.1(f) within 
such two-day period, it shall give prompt written notice to the Company of 
such election and the revised Exchange Ratio, whereupon no termination shall 
have occurred pursuant to this Section 7.1(f) and this Agreement shall remain 
in effect in accordance with its terms, except that the Exchange Ratio shall 
be fixed at the number determined in accordance with this Section 7.1(f) and 
any references in this Agreement to the "Exchange Ratio" shall thereafter be 
deemed to refer to the Exchange Ratio as so adjusted; or

          (g)  by Parent, at any time during the two-day period commencing at 
the close of business on the Determination Date, in the event the Average 
Parent Stock Price is greater than $73.41; PROVIDED, HOWEVER, that if Parent 
elects to exercise its termination right pursuant to this Section 7.1(g), it 
shall give prompt written notice thereof to the Company, and during the 
two-day period commencing with its receipt of such notice, the Company may 
elect to decrease the Exchange Ratio to equal that fraction of a share of 
Parent Common Stock (rounded to four decimal points), the numerator of which 
is the product of $73.41 and the Exchange Ratio (as then in effect) and the 
denominator of which is the Average Parent Stock Price; if the Company makes 
an election contemplated by the above proviso to this Section 7.1(g) within 
such two-day period, it shall give prompt written notice to Parent of such 
election and the revised Exchange Ratio, whereupon no termination shall have 
occurred pursuant to this Section 7.1(g) and this Agreement shall remain in 
effect in accordance with its terms, except that the Exchange Ratio shall be 
fixed at the number determined in accordance with this Section 7.1(g) and any 
references in this Agreement to the "Exchange Ratio" shall thereafter be 
deemed to refer to the Exchange Ratio as so adjusted.

The "AVERAGE PARENT STOCK PRICE" means the average of the Daily Per Share 
Prices (as defined below) for the 15 consecutive trading days ending on the 
date the last of the conditions set forth in Section 6.1 shall be satisfied 
(or, if such day is not a trading day, ending on the immediately preceding 
trading day) (the "DETERMINATION DATE").  The "DAILY PER SHARE PRICE" for any 
trading day means the daily last sale price for the Parent Common Stock, as 
reported on the NYSE Composite Transactions reporting system (as reported in 
THE WALL STREET JOURNAL or, if not reported therein, in another mutually 
agreed upon authoritative source) for that day.

          SECTION 7.2.   EFFECT OF TERMINATION.  In the event of termination 
of this Agreement by either the Company or Parent as provided in Section 7.1, 
this Agreement shall forthwith become void and have no effect, without any 
liability or obligation on the part of Parent, Sub or the Company, other than 
the provisions of Section 3.1(r), Section 3.2(j), the last sentence of 
Section 5.2, Section 5.8, this Section 7.2 and Article VIII and except to the 
extent that such termination results from the willful and material breach by 
a party of any of its representations, warranties, covenants or agreements 
set forth in this Agreement.

          SECTION 7.3.   AMENDMENT.  This Agreement may be amended by the 
parties by action of their respective boards of directors at any time, 
PROVIDED that there shall not be made any amendment that by law requires 
further approval by the stockholders of the Company without 

                                     -39-
<PAGE>


the further approval of such stockholders.  This Agreement may not be amended 
except by an instrument in writing signed on behalf of each of the parties.

          SECTION 7.4.   EXTENSION; WAIVER.  At any time prior to the 
Effective Time, the parties may (a) extend the time for the performance of 
any of the obligations or other acts of the other parties, (b) waive any 
inaccuracies in the representations and warranties contained in this 
Agreement or in any document delivered pursuant to this Agreement or (c) 
subject to the proviso of Section 7.3, waive compliance with any of the 
agreements or conditions contained in this Agreement.  Any agreement on the 
part of a party to any such extension or waiver shall be valid only if set 
forth in an instrument in writing, signed on behalf of such party.  The 
failure of any party to this Agreement to assert any of its rights under this 
Agreement or otherwise shall not constitute a waiver of those rights.

                                    ARTICLE VIII
                                          
                                          
                                 GENERAL PROVISIONS

          SECTION 8.1.   NONSURVIVAL OF REPRESENTATIONS AND WARRANTIES.  None 
of the representations and warranties in this Agreement or in any instrument 
delivered pursuant to this Agreement shall survive the Effective Time.  This 
Section 8.1 shall not limit any covenant or agreement of the parties which by 
its terms contemplates performance after the Effective Time of the Merger.

          SECTION 8.2.   NOTICES.  All notices, requests, claims, demands and 
other communications under this Agreement shall be in writing and shall be 
deemed given if delivered personally or sent by overnight courier (providing 
proof of delivery) or telecopy (with receipt acknowledged) to the parties at 
the following addresses (or at such other address for a party as shall be 
specified by like notice):

          (a)  if to Parent or Sub, to

               Danaher Corporation
               1250 24th Street, NW
               Washington, D.C.  20037
               Facsimile:  (202) 828-0860
               
               Attention:  Patrick W. Allender

               with a copy to:

                                     -40-
<PAGE>


               Wachtell, Lipton, Rosen & Katz
               51 West 52nd Street
               New York, NY  10019
               Facsimile:  (212) 403-2000
               
               Attention:  Trevor S. Norwitz, Esq.

               and a copy to:

               Wilmer, Cutler & Pickering
               2445 "M" Street, NW
               Washington, D.C. 20037-1420
               Facsimile:  (202) 663-6363

               Attention:  Mark Dewire, Esq. 

               if to the Company, to

               Hach Company
               5600 Lindbergh Drive
               P.O. Box 389
               Loveland, CO  80539
               Facsimile:  (970) 669-2932
               
               Attention:  Gary R. Dreher

               with a copy to:

               McBride Baker & Coles
               500 West Madison Street, 40th Floor
               Chicago, IL  60661-2511
               Facsimile:  (312) 993-9350
               
               Attention:  Robert O. Case, Esq. 
               

               and a copy to:

               Sidley & Austin
               One First National Plaza
               Chicago, IL  60603
               Facsimile:  (312) 853-7036
               
               Attention:  Thomas A. Cole, Esq.

                                     -41-
<PAGE>

          SECTION 8.3.   DEFINITIONS.  For purposes of this Agreement:

          (a)  an "AFFILIATE" "or "AFFILIATE" of any person means another person
that directly or indirectly, through one or more intermediaries, controls, is
controlled by, or is under common control with, such first person;

          (b)  "KNOWLEDGE" means, when used in connection with the Company or
Parent, knowledge of the individuals listed in Section 8.3 of the Company
Disclosure Schedule, and, when used in connection with Parent, knowledge of the
individuals listed in Section 8.3 of the Parent Disclosure Schedule, in each
case, after due inquiry for such purpose;

          (c)  "MATERIAL ADVERSE CHANGE" or "MATERIAL ADVERSE EFFECT" means,
when used in connection with the Company or Parent, any change or effect that is
or could, individually or in the aggregate, reasonably be expected to be
materially adverse to the business, assets, liabilities, financial condition,
results of operations or prospects of such party and its subsidiaries taken as a
whole;

          (d)  "PERSON" means an individual, corporation, partnership, joint
venture, association, trust, unincorporated organization or other entity; and

          (e)  a "SUBSIDIARY" of any person means another person, an amount of
the voting securities, other voting ownership or voting partnership interests of
which is sufficient to elect at least a majority of its board of directors or
other governing body (or, if there are no such voting interests, more than 50%
of the equity interests of which) is owned directly or indirectly by such first
person.

          SECTION 8.4.   INTERPRETATION.  When a reference is made in this
Agreement to a Section, Exhibit or Schedule, such reference shall be to a
Section of, or an Exhibit or Schedule to, this Agreement unless otherwise
indicated.  The table of contents and headings contained in this Agreement are
for reference purposes only and shall not affect in any way the meaning or
interpretation of this Agreement.  Whenever the words "include," "includes" and
"including" are used in this Agreement, they shall be deemed to be followed by
the words "without limitation."  

          SECTION 8.5.   COUNTERPARTS.  This Agreement may be executed in one 
or more counterparts, all of which shall be considered one and the same 
agreement and shall become effective when one or more counterparts have been 
signed by each of the parties and delivered to the other parties.

          SECTION 8.6.   ENTIRE AGREEMENT; NO THIRD-PARTY BENEFICIARIES.  This
Agreement and the Confidentiality Agreement constitute the entire agreement, and
supersede all prior 

                                     -42-
<PAGE>


agreements and understandings, both written and oral, among the parties with 
respect to the subject matter hereof and thereof and except for the 
provisions of Section 5.7, are not intended to confer upon any person other 
than the parties hereto any rights or remedies hereunder.

          SECTION 8.7.   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 conflict of laws thereof.

          SECTION 8.8.   ASSIGNMENT.  Neither this Agreement nor any of the 
rights, interests or obligations under this Agreement shall be assigned, in 
whole or in part, by operation of law or otherwise by any of the parties 
without the prior written consent of the other parties.  Subject to the 
preceding sentence, this Agreement will be binding upon, inure to the benefit 
of, and be enforceable by, the parties and their respective successors and 
assigns.

          SECTION 8.9.   ENFORCEMENT.  The parties agree that irreparable 
damage would occur in the event that any of the provisions of this Agreement 
were not performed in accordance with their specific terms or were otherwise 
breached. It is accordingly agreed that the parties shall be entitled to an 
injunction or injunctions to prevent breaches of this Agreement and to 
enforce specifically the terms and provisions of this Agreement in any court 
of the United States located in the State of Delaware or in Delaware state 
court, this being in addition to any other remedy to which they are entitled 
at law or in equity.  In addition, each of the parties hereto (a) consents to 
submit itself to the personal jurisdiction of any Federal court located in 
the State of Delaware or any Delaware state court in the event any dispute 
arises out of this Agreement or any of the transactions contemplated by this 
Agreement, (b) agrees that it will not attempt to deny or defeat such 
personal jurisdiction by motion or other request for leave from any such 
court, and (c) agrees that it will not bring any action relating to this 
Agreement or any of the transactions contemplated by this Agreement in any 
court other than a Federal or state court sitting in the State of Delaware.

          SECTION 8.10.  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 materially 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 any acceptable manner to the end that transactions 
contemplated hereby are fulfilled to the extent possible.
          
                                     -43-
<PAGE>


          IN WITNESS WHEREOF, Parent, Sub and the Company have caused this 
Agreement to be signed by their respective officers thereunto duly 
authorized, all as of the date first written above.

 Attest:                       DANAHER CORPORATION

                               By:       /s/ Patrick W. Allender  
                                  ------------------------------------------
                                    Name:  Patrick W. Allender
                                    Title: Senior Vice President and Chief
                                           Financial Officer   
                               
                               H2O ACQUISITION CORP.


                               By:       /s/ Patrick W. Allender  
                                  ------------------------------------------
                                    Name:  Patrick W. Allender
                                    Title: President

                               HACH COMPANY

                               By:       /s/ Kathryn C. Hach-Darrow
                                  ------------------------------------------
                                    Name:  Kathryn C. Hach-Darrow
                                    Title: Chairman


<PAGE>

                              FORM OF AFFILIATE LETTER

Danaher Corporation

1250 24th Street, NW
Washington, D.C.  20037


Ladies and Gentlemen:

          I have been advised that as of the date of this letter I may be 
deemed to be an "affiliate" of HACH COMPANY, a Delaware corporation (the 
"COMPANY"), as the term "affiliate" is (i) defined within the meaning of Rule 
145 of the rules and regulations (the "RULES AND REGULATIONS") of the 
Securities and Exchange Commission (the "COMMISSION") under the Securities 
Act of 1933, as amended (the "ACT"), and/or (ii) used in and for purposes of 
Accounting Series Releases 130 and 135, as amended, of the Commission.  
Pursuant to the terms of the Agreement and Plan of Merger dated as of April 
20, 1999 (the "AGREEMENT"), among Danaher Corporation, a Delaware corporation 
("PARENT"), H(2)O Acquisition Corp., a Delaware corporation ("SUB"), and the 
Company, Sub will be merged with and into the Company (the "MERGER").

          In connection with the Merger, I am entitled to receive shares of
common stock, par value $.01 per share, of Parent (the "PARENT SHARES") in
exchange for shares (or options for shares) owned by me of common stock of the
Company (the "COMPANY SHARES").

          I represent, warrant and covenant to Parent that in the event I
receive any Parent Shares as a result of the Merger:

          (a)  I shall not make any sale, transfer or other disposition of the
Parent Shares in violation of the Act or the Rules and Regulations.

          (b)  I have carefully read this letter and the Agreement and 
discussed the requirements of such documents and other applicable limitations 
upon my ability to sell, transfer or otherwise dispose of Parent Shares, to 
the extent I felt necessary, with my counsel or counsel for the Company.

          (c)  I have been advised that the issuance of Parent Shares to me 
pursuant to the Merger has been or will be registered with the Commission 
under the Act on a Registration Statement on Form S-4.  However, because I 
have been advised that, at the time the Merger was submitted for a vote of 
the stockholders of the Company, (a) I may be deemed to have been an 

                                     
<PAGE>


affiliate of the Company, and (b) other than as set forth in the Agreement, 
the distribution by me of the Parent Shares has not been registered under the 
Act, I will not sell, transfer, hedge, encumber or otherwise dispose of 
Parent Shares issued to me in the Merger unless (i) such sale, transfer or 
other disposition is made in conformity with the volume and other limitations 
of Rule 145 promulgated by the Commission under the Act, (ii) such sale, 
transfer or other disposition has been made pursuant to an effective 
registration statement under the Act, or (iii) in the opinion of counsel 
reasonably acceptable to Parent or as described in a "no-action" or 
interpretive letter from the Staff of the Commission, such sale, transfer or 
other disposition is otherwise exempt from registration under the Act.

          (d)  I understand that Parent is under no obligation, other than as 
set forth in the Agreement, to register the sale, transfer or other 
disposition of the Parent Shares by me or on my behalf under the Act or to 
take any other action necessary in order to make compliance with an exemption 
from such registration available solely as a result of the Merger.

          (e)  I also understand that there will be placed on the Certificates
for the Parent Shares issued to me, or any substitutions therefor, a legend
stating in substance:

          THE SHARES REPRESENTED BY THIS CERTIFICATE WERE ISSUED IN A
          TRANSACTION TO WHICH RULE 145 PROMULGATED UNDER THE SECURITIES ACT OF
          1933 APPLIES.  THE SHARES REPRESENTED BY THIS CERTIFICATE MAY ONLY BE
          TRANSFERRED IN ACCORDANCE WITH THE TERMS OF AN AGREEMENT BETWEEN THE
          REGISTERED HOLDER HEREOF AND DANAHER CORPORATION, A COPY OF WHICH
          AGREEMENT IS ON FILE AT THE PRINCIPAL OFFICES OF DANAHER CORPORATION.

          (f)  I also understand that unless a sale or transfer is made in
conformity with the provisions of Rule 145, or pursuant to a registration
statement, Parent reserves the right to put the following legend on the
certificates issued to my transferee:

          THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
          UNDER THE SECURITIES ACT OF 1933 AND WERE ACQUIRED FROM A PERSON WHO
          RECEIVED SUCH SHARES IN A TRANSACTION TO WHICH RULE 145 PROMULGATED
          UNDER THE SECURITIES ACT OF 1933 APPLIES.  THE SHARES HAVE BEEN
          ACQUIRED BY THE HOLDER NOT WITH A VIEW TO, OR FOR RESALE IN CONNECTION
          WITH, ANY DISTRIBUTION THEREOF WITHIN THE MEANING OF THE SECURITIES
          ACT OF 1933 AND MAY NOT BE SOLD, PLEDGED OR OTHERWISE TRANSFERRED
          EXCEPT IN ACCORDANCE WITH AN EXEMPTION FROM THE REGISTRATION
          REQUIREMENTS OF THE SECURITIES ACT OF 1933.

                                     -2-
<PAGE>


          It is understood and agreed that the legends set forth in 
paragraphs (e) and (f) above shall be removed by delivery of substitute 
certificates without such legend if the undersigned shall have delivered to 
Parent a copy of a letter from the staff of the Commission, or an opinion of 
counsel reasonably satisfactory to Parent in form and substance reasonably 
satisfactory to Parent, to the effect that such legend is not required for 
purposes of the Act.

          I further represent to, and covenant with, Parent that I will not,
during the 30 days prior to the Effective Time (as defined in the Agreement),
sell, transfer, hedge, encumber or otherwise dispose or reduce my rights with
respect to the Company Shares or shares of the capital stock of Parent that I
may hold and, furthermore, that I will not sell, transfer, hedge, encumber or
otherwise dispose of or reduce my rights with respect to Parent Shares received
by me in the Merger or any other shares of the capital stock of Parent until
after such time as results covering at least 30 days of combined operations of
the Company and Parent have been published by Parent, in the form of a quarterly
earnings report, an effective registration statement filed with the Commission,
a report to the Commission on Form 10-K, 10-Q, or 8-K, or any other public
filing or announcement which includes such combined results of operations.

          Execution of this letter should not be considered an admission on my
part that I am an "affiliate" of the Company as described in the first paragraph
of this letter, or as a waiver of any rights I may have to object to any claim
that I am such an affiliate on or after the date of this letter.

                                        Very truly yours,

                                       --------------------------------------
                                        Name:

Accepted this ______ day of

_________ 1999, by

DANAHER CORPORATION

By   --------------------
     Name:
     Title:



<PAGE>

                           STOCKHOLDERS SUPPORT AGREEMENT

          STOCKHOLDERS SUPPORT AGREEMENT dated as of April 21, 1999, by and 
among DANAHER CORPORATION, a Delaware corporation ("Parent"), on the one 
hand, and each of KATHRYN C. HACH-DARROW and BRUCE J. HACH (each a 
"Stockholder" and, collectively, the "Stockholders"), on the other hand.  
Each Stockholder is executing this Agreement in her or his capacity as a 
stockholder of HACH COMPANY, a Delaware corporation (the "Company").

          WHEREAS, Parent, H20 ACQUISITION CORP., a Delaware corporation and 
a wholly owned subsidiary of Parent ("Sub"), and the Company, are entering 
into an Agreement and Plan of Merger (the "Merger Agreement"; capitalized 
terms used without definition herein having the meanings ascribed thereto in 
the Merger Agreement) under which the Stockholders will receive substantial 
value for their interest in the Company;

          WHEREAS, a significant portion of the goodwill and value of the 
Company resides in the "Hach" tradename;

          WHEREAS, each Stockholder is a director of the Company, who 
possesses significant knowledge and information about and expertise in the 
Company Business (as defined below) which is extremely valuable to 
competitors of the Company, and accordingly Parent has required as a 
condition to its willingness to enter into the Merger Agreement that each 
Stockholder make, and each Stockholder has agreed to make, the commitments 
set forth herein; 

          NOW THEREFORE, in consideration of the foregoing and the mutual 
covenants and agreements set forth herein, the parties hereto agree as 
follows:

          Section 1.     AGREEMENT TO SUPPORT TRANSACTION.  Until the earlier 
of the Effective Time and the termination of this Agreement in accordance 
with its terms: 

          (a)  Each Stockholder hereby agrees that, immediately following the 
execution and delivery of this Agreement and the Merger Agreement, she or he 
shall execute and deliver, or cause to be executed and delivered by the 
record owner of shares beneficially owned by such Stockholder, in accordance 
with Section 228 of the DGCL, the Restated Certificate of Incorporation and 
By-laws of the Company, the Written Consent of Stockholders Without a 
Meeting, in the form attached hereto as Annex A, with respect to all shares 
of Company Common Stock that are owned beneficially or of record by such 
Stockholder or as to which such Stockholder has, directly or indirectly, the 
right to vote or direct the voting. 

          (b)  Each Stockholder hereby further agrees she or he shall, from 
time to time, at the request of Parent, (i) timely execute and deliver (or 
cause to be timely executed and delivered) an additional written consent with 
respect to, or (ii) vote, or cause to be voted, at any meeting of 
stockholders of the Company held prior to the earlier of the Effective Time 
and the termination of this Agreement or at any adjournment or postponement 
thereof, in person or by proxy, all shares of Company Common Stock, and any 
other voting securities of the Company (whether acquired heretofore or 
hereafter), that are beneficially owned by such Stockholder or her 


<PAGE>

or his Affiliates or as to which such Stockholder or any of her or his 
Affiliates has, directly or indirectly, the right to vote or direct the 
voting, in favor of approval and adoption of the Merger Agreement and the 
Merger (including as they may be amended by the Board of Directors of the 
Company), and any action required in furtherance thereof and against any 
action or agreement that would result in a material breach of any 
representation, warranty, covenant or obligation of the Company contained in 
the Merger Agreement. 

          (c)  Other than pursuant to the Merger or with Parent's prior 
written consent, each Stockholder agrees that she or he will not, and will 
not permit any company, trust or other entity controlled by such Stockholder 
to, and will not permit any of such Stockholder's Affiliates to, contract to 
sell, sell, pledge, encumber or otherwise transfer or dispose of any Company 
Common Stock beneficially owned by her or him or any interest therein or 
securities convertible thereinto or any voting rights with respect thereto 
without giving Parent prior written notice thereof and in any event if such 
transaction could reasonably be expected to jeopardize Parent's ability to 
account for the Merger as a "pooling of interests."

          (d)  Each Stockholder hereby revokes any and all previous proxies 
with respect to such Stockholder's shares of Company Common Stock or any 
other voting securities of the Company.

          (e)  Each Stockholder hereby agrees to, will cause any company, 
trust or other entity controlled by such Stockholder to, and will cause such 
Stockholder's Affiliates to, cooperate fully with Parent in connection with 
the Merger Agreement and the transactions contemplated thereby.  Each 
Stockholder agrees that neither such Stockholder nor any of her or his 
representatives, agents or Affiliates will, directly or indirectly, 
encourage, solicit or engage in discussions or negotiations with any third 
party (other than Parent) concerning any merger, consolidation, business 
combination, sale of a significant amount of securities or assets or similar 
transaction ("Alternative Transactions") other than the transactions 
contemplated hereby and by the Merger Agreement.  Each Stockholder shall 
immediately request that any Person that has received directly or indirectly 
from such Stockholder any confidential information involving the Company or 
any of its Subsidiaries return all copies thereof to the Company and shall, 
and shall cause her or his representatives, agents and Affiliates to, 
terminate all discussions or negotiations with any Person with respect to any 
Alternative Transaction.  Each Stockholder will notify Parent immediately of 
any inquiries or proposals with respect to any such transaction that are 
received by, or any such negotiations or discussions of which such 
Stockholder is aware that are sought to be initiated with, such Stockholder 
or any of such Stockholder's Affiliates or the Company or any of its 
Subsidiaries, will advise Parent of the identity of any Person proposing any 
such Alternative Transaction and of the terms thereof and shall keep Parent 
apprised with respect to all matters relating thereto.  

          (f)  Each  Stockholder is signing this Agreement solely in her or 
his capacity as a record holder and beneficial owner of shares of Company 
Common Stock and nothing herein shall limit or affect any actions taken by a 
Stockholder in her or his capacity as an officer or director of the Company, 
subject to the provisions of the Merger Agreement.


                                      2

<PAGE>


          Section 2.     RULE 145; POOLING LETTER.  Each Stockholder is on 
the date hereof executing, and shall cause each of such Stockholder's 
Affiliates identified as Affiliates of the Company on the Company's letter 
referred to in Section 5.10 of the Merger Agreement to execute by the 
thirtieth day prior to the Effective Time, a written agreement in the form 
attached as Exhibit 5.10 to the Merger Agreement (relating to compliance with 
Rule 145 and pooling rules).

          Section 3.     TAX REPRESENTATIONS.  Each Stockholder shall deliver 
to Parent's counsel and the Company's counsel, if so requested by such 
counsel, respectively, a certificate setting forth such representations as 
are customary to be given by shareholders in transactions such as the Merger 
in connection with the opinions contemplated by Sections 6.2(d) and 6.3(c) of 
the Merger Agreement.

          Section 4.     COVENANT NOT TO COMPETE.  (a)  Each Stockholder 
agrees that, commencing at the Effective Time and continuing until the third 
anniversary of the Effective Time, such Stockholder shall not carry on or 
participate in the design, manufacture or marketing of laboratory 
instruments, process analyzers and test kits for analyzing the properties of 
water and other aqueous solutions (any such activities being referred to 
herein as "Company Business") or in any business in competition with any 
Company Business, as conducted by the Company on the date hereof, in any 
country in which the Company operates. Each Stockholder shall not, whether or 
not for compensation, engage in any Company Business, or assist or advise any 
other Person in such Person's conduct of any Company Business, whether as a 
director, officer, employee, consultant, adviser, independent contractor or 
otherwise; PROVIDED, HOWEVER, that the Stockholders shall not be prohibited 
from owning up to five percent (5%) of the outstanding securities in any 
Person that is engaged in any Company Business as a passive investor. 

          (b)       Each Stockholder agrees that, commencing at the Effective 
Time and continuing until the fifth anniversary of the Effective Time, such 
Stockholder shall not (i) lend or allow such Stockholder's name or reputation 
to be used in or to promote any Company Business, other than for the benefit 
of Parent and its Affiliates (including the Company); or (ii) solicit, divert 
or attempt to divert from Parent and its Affiliates any business 
constituting, or any customer of, or any supplier of, any part of the Company 
Business then conducted by the Company, Parent or any of their Affiliates.

          Section 5.     COVENANT NOT TO SOLICIT.  In addition to the 
foregoing, each Stockholder further agrees that such Stockholder shall not, 
commencing at the Effective Time and continuing until the fifth anniversary 
of the Effective Time, induce or attempt to induce any Person (i) engaged or 
employed currently or within the prior 12 months (whether part-time or 
full-time) by the Company or any of its Affiliates to leave the employ of or 
engagement with the Company, or its Affiliates, as the case may be, or to 
cease providing the services to or on behalf of the Company or its 
Affiliates, as the case may be, then provided by such Person, or in any other 
manner seek to engage, employ or contract for the services of, any such 
Person (whether or not for compensation) in any capacity, or (ii) that is 
then or has been within the prior 12 months a customer or supplier with 
respect to any Company Business to interfere, in any way, directly or 
indirectly, with the business relationship between the Company or any of its 
Affiliates and any such customer.


                                      3

<PAGE>

          Section 6.     REPRESENTATIONS AS TO STOCK OWNERSHIP.  Each 
Stockholder represents and warrants to Parent that (a) Schedule I hereto sets 
forth, opposite such Stockholder's name, the number and type of shares of 
Company Common Stock or other securities of the Company of which such 
Stockholder is the record or beneficial owner, and (b) such Stockholder is 
the lawful owner of such shares, free and clear of all liens, charges, 
encumbrances, voting agreements and commitments of every kind, except as may 
be disclosed on Schedule I. 

          Section 7.     EFFECTIVENESS AND TERMINATION.  In the event the 
Merger Agreement is terminated in accordance with its terms, this Agreement 
shall automatically terminate and be of no further force or effect. Upon such 
termination, except for any rights any party may have in respect of any 
breach by any other party of its obligations hereunder, none of the parties 
hereto shall have any further obligation or liability hereunder.

          Section 8.     MISCELLANEOUS.

          (a)  NOTICES, ETC.  All notices, requests, demands or other 
communications required by or otherwise with respect to this Agreement shall 
be in writing and shall be deemed to have been duly given when delivered 
personally (by courier service or otherwise) or when delivered by telecopy 
(with receipt acknowledged), to Parent at Danaher Corporation, 1250 24th 
Street, N.W., Washington, D.C. 20037, or to any Stockholder at her or his 
address set forth in the records of the Company, or to such other address as 
any such party shall have designated by notice so given to each other party.

          (b)  AMENDMENTS, WAIVERS, ETC.  This Agreement may not be amended, 
changed, supplemented, waived or otherwise modified or terminated except by 
an instrument in writing signed by each party hereto. The failure of any 
party hereto to exercise any right, power or remedy provided under this 
Agreement or otherwise available in respect hereof at law or in equity, or to 
insist upon compliance by any other party hereto with its obligations 
hereunder, and any custom or practice of the parties at variance with the 
terms hereof, shall not constitute a waiver by such party of its right to 
exercise any such or other right, power or remedy or to demand such 
compliance.

          (c)  SUCCESSORS AND ASSIGNS.  This Agreement shall be binding upon 
and shall inure to the benefit of and be enforceable by the parties and their 
respective successors and assigns.  Any transfer of shares of Company Common 
Stock notwithstanding, the transferor shall remain liable for the performance 
of all obligations under this Agreement of transferor.  Any transferee of 
shares of Company Common Stock permitted pursuant to this Agreement shall 
take such shares subject to the provisions of this Agreement and deliver to 
Parent in advance of such transfer its signed acknowledgment to such effect.

          (d)  ENTIRE AGREEMENT.  This Agreement (together with the Merger 
Agreement and the other agreements and documents expressly contemplated 
hereby and thereby) embodies the entire agreement and understanding among the 
parties relating to the subject matter hereof and supersedes all prior 
agreements and understandings relating to such subject matter.  There are no 
representations, warranties or covenants by the parties hereto relating to 
such subject matter other than those expressly set forth in this Agreement 
and the Merger Agreement.


                                      4

<PAGE>

          (e)  SEVERABILITY.  If any term of this Agreement or the 
application thereof to any party or circumstance shall be held invalid or 
unenforceable to any extent, the remainder of this Agreement and the 
application of such term to the other parties or circumstances shall not be 
affected thereby and shall be enforced to the greatest extent permitted by 
applicable law, PROVIDED that, in such event, the parties shall negotiate in 
good faith in an attempt to agree to another provision (in lieu of the term 
or application held to be invalid or unenforceable) that will be valid and 
enforceable and will carry out to the maximum extent possible the parties' 
intentions hereunder.  

          (f)  REMEDIES.  The parties acknowledge that money damages are not 
an adequate remedy for violations of this Agreement and that any party may, 
in its sole discretion, apply to a court of competent jurisdiction for 
specific performance or injunctive or such other relief as such court may 
deem just and proper in order to enforce this Agreement or prevent any 
violation hereof and, to the extent permitted by applicable law, each party 
waives any objection to the imposition of such relief or any requirement for 
a bond.  All rights, powers and remedies provided under this Agreement or 
otherwise available in respect hereof at law or in equity shall be cumulative 
and not alternative, and the exercise or beginning of the exercise of any 
thereof by any party shall not preclude the simultaneous or later exercise of 
any other such right, power or remedy by such party.

          (g)  GOVERNING LAW; JURISDICTION. This Agreement and all disputes 
hereunder shall be governed by and construed and enforced in accordance with 
the internal laws of the State of Delaware, without regard to principles of 
conflicts of law.  Each party hereby irrevocably submits to the exclusive 
jurisdiction of the Court of Chancery in the State of Delaware or the United 
States District Court of Delaware in any action, suit or proceeding arising 
in connection with this Agreement, and agrees that any such action, suit or 
proceeding shall be brought only in such court (and waives any objection 
based on FORUM NON CONVENIENS or any other objection to venue therein). Each 
party hereto hereby waives any right to a trial by jury in connection with 
any such action, suit or proceeding.  

          (h)  NAME, CAPTIONS, GENDER.  The name assigned this Agreement and 
the section captions used herein are for convenience of reference only and 
shall not affect the interpretation or construction hereof.  Whenever the 
context may require, any pronoun used herein shall include the corresponding 
masculine, feminine or neuter forms.

          (i)  COUNTERPARTS.  This Agreement may be executed in any number of 
counterparts, each of which shall be deemed to be an original, but all of 
which together shall constitute one instrument.  Each counterpart may consist 
of a number of copies each signed by less than all, but together signed by 
all, the parties hereto.


                                      5

<PAGE>

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

                                   DANAHER CORPORATION

                                   By:  /s/ Patrick W. Allender 
                                        -----------------------------------
                                        Name:     Patrick W. Allender 
                                        Title:    Senior Vice President and
                                                  Chief Financial Officer

                                   STOCKHOLDERS


                                    /s/ Kathryn Hach-Darrow 
                                    ------------------------------
                                    Name:  Kathryn Hach-Darrow


                                    /s/ Bruce J. Hach 
                                    ------------------------------
                                    Name:  Bruce J. Hach



<PAGE>

                                     SCHEDULE I
                                          
                                  SHARE OWNERSHIP

<TABLE>
<CAPTION>

 NAME OF SHAREHOLDER                                    SHARES OWNED
                                         SHARES                             OPTIONS
                                                 Class A                               Class A 
                               Common Stock    Common Stock         Common Stock     Common Stock
                               ------------    ------------         ------------     ------------
<S>                             <C>             <C>                  <C>              <C>
 Kathryn C. Hach-Darrow          4,546,990      4,541,647                    0                0

 Bruce J. Hach                     238,350        227,514               20,000           54,000
                                 ---------      ---------               ------           ------
                                 ---------      ---------               ------           ------
      Total:                     4,785,340      4,769,161               20,000           54,000
</TABLE>


<PAGE>

                                  WRITTEN CONSENT
                                 OF STOCKHOLDERS OF
                                    HACH COMPANY
                                          
                             DATED AS OF APRIL 21, 1999
                                          
     Pursuant to the provisions of Section 228 and Section 251 of the General 
Corporation Law of the State of Delaware, the undersigned each holding and 
having voting power over that number of shares of Common Stock, par value 
$1.00 per share, of Hach Company, a Delaware corporation (the "Company") and 
that number of shares of Class A Common Stock, par value $1.00 per share, of 
the Company (together, "Company Common Stock") set forth adjacent to his or 
her name below, collectively constituting a majority of the voting power of 
the issued and outstanding Company Common Stock, do hereby consent to, 
approve and adopt the following resolution:

          WHEREAS, contemporaneously with this resolution, the Board of 
     Directors of the Company has determined that the merger (the "Merger") 
     of H(2)O Acquisition Corp., a Delaware corporation ("Merger Sub"), with 
     and into the Company is fair and advisable and in the best interest of 
     the Company and its stockholders, has approved and adopted the Agreement 
     and Plan of Merger, dated as of April 20, 1999, among Danaher 
     Corporation, a Delaware corporation ("Parent"), Merger Sub and the 
     Company in the form attached to this consent (the "Merger Agreement") 
     and the Merger, and has submitted the Merger Agreement to, and 
     recommended the approval and adoption of the Merger Agreement and the 
     Merger by, the stockholders of the Company.

          NOW THEREFORE, BE IT RESOLVED, that the Merger Agreement and the
     Merger be, and they hereby are, consented to, approved and adopted in all
     respects.


This Consent may be executed in one or more counterparts, all of which shall 
be considered one and the same instrument.

<TABLE>
<CAPTION>
<S>                                <C>            <C>
  /s/ Kathryn C. Hach-Darrow       4,546,990      shares Common Stock
- ----------------------------
Name: Kathryn C. Hach-Darrow       4,541,647      shares Class A Common Stock



 /s/ Bruce J. Hach                 238,350        shares Common Stock
- ----------------------------
Name: Bruce J. Hach                227,514        shares Class A Common Stock
</TABLE>


<PAGE>

                           REGISTRATION RIGHTS AGREEMENT

          REGISTRATION RIGHTS AGREEMENT, dated as of ________, 1999, between 
DANAHER CORPORATION, a Delaware corporation ("Parent"), on the one hand, and 
Kathryn C. Hach-Darrow (the "Stockholder"), on the other hand.

          WHEREAS, pursuant to an Agreement and Plan of Merger, dated as of 
April 21, 1999 (the "Merger Agreement"), by and among Parent, H(2)O 
Acquisition Corp., a Delaware corporation ("Merger Sub") and a wholly owned 
subsidiary of Parent, and Wilbur Corporation, a Delaware corporation (the 
"Company"), Merger Sub will merge (the "Merger") with and into the Company, 
and pursuant thereto shares of Common Stock, par value $1.00 per share, of 
the Company and shares of Class A Common Stock, par value $1.00 per share, of 
the Company will be converted into shares of Common Stock, par value $.01 per 
share, of Parent ("Common Stock").  Capitalized terms used herein but not 
otherwise defined herein shall have the same meaning as in the Merger 
Agreement.

          NOW, THEREFORE, in consideration of the premises and the mutual 
agreements set forth herein, the parties agree as follows:

          1.     REGISTRABLE SECURITIES.  As used herein, "Registrable 
Securities" shall mean:  (A) the shares of Common Stock to be acquired by the 
Stockholder at the effective time of the Merger (the "Effective Time") 
pursuant to the Merger Agreement, and (B) any securities of Parent issued or 
issuable with respect to any Common Stock referred to in subdivision (A) by 
way of stock dividend or stock split or in connection with a combination of 
shares, recapitalization, merger, consolidation or other reorganization or 
otherwise. As to any particular Registrable Securities, once issued such 
securities shall cease to be Registrable Securities when (x) a registration 
statement with respect to the sale of such securities shall have become 
effective under the Securities Act of 1933, as amended, and the rules and 
regulations promulgated thereunder (the "Securities Act") and such securities 
shall have been disposed of in accordance with such registration statement, 
(y) they shall have been transferred pursuant to Rule 144 or Rule 145 (or any 
successor provision) under the Securities Act or (z) they shall have ceased 
to be outstanding.

          2.     REGISTRATION ON REQUEST.  (a)  REQUEST.  During the period 
commencing on the Effective Time and ending on the first anniversary of the 
Effective Time (the "Registration Period"), the Stockholder shall have the 
right on one occasion upon written request (the "Request") to request that 
Parent effect the registration under the Securities Act of all or a part of 
the Registrable Securities then owned by the Stockholder (but in any event 
not less than an aggregate of 500,000 shares of Common Stock, as adjusted to 
reflect any stock splits, combinations of shares, reclassifications or 
comparable transactions, or such lesser number of shares as shall then 
constitute all of the Registrable Securities then owned by the Stockholder 
taking into account all Registrable Securities to be included in such 
registration).  Upon receipt of any such Request, Parent will use all 
reasonable efforts (subject to Section 4(b)) to effect such registration of 
the Registrable Securities which Parent has been so requested to register in 
the Request within 60 days after delivery of the Registration Notice.


<PAGE>

          Parent may include in any such registration other securities for 
sale for its own account or for the account of any other Person; PROVIDED 
that, if the managing underwriter (if any)for the offering shall determine 
that the number of shares proposed to be offered in such offering would be 
reasonably likely to adversely affect such offering, then the securities to 
be sold by the Stockholder shall be included in such registration before any 
securities proposed to be sold for the account of Parent or any other Person.

          (b)    REGISTRATION STATEMENT FORM.  Parent shall effect any 
registration requested under this Section 2 by the filing of a registration 
statement on such form as Parent may determine; PROVIDED that Parent shall 
not be obligated to register any securities on a "shelf" registration 
statement pursuant to Rule 415 under the Securities Act (or any successor 
provisions of such Act) or otherwise to register securities on a continuous 
or delayed basis.

          (c)    EXPENSES. The Stockholder shall bear all reasonably 
documented out-of-pocket expenses incurred in connection with any 
registration which may be requested under this Section 2, including all 
registration, filing and New York Stock Exchange, Inc. fees, all fees and 
expenses of complying with securities or blue sky laws, all printing fees and 
expenses, messenger and delivery expenses, the fees and disbursements of 
counsel for the stockholder and the expenses of any special audits or 
"comfort" letters required by or incident to such performance and any fees, 
commissions, discounts and disbursements of underwriters.  Parent shall bear 
the fees and expenses of Parent's counsel.

          (d)    SELECTION OF UNDERWRITERS.  The lead managing underwriter 
for any registration requested under this Section 2 effected by means of a 
firm commitment underwriting shall be selected by Parent, and shall be 
reasonably acceptable to the Stockholder.

          3.     REGISTRATION PROCEDURES.  If Parent is required to seek to 
effect the registration of Registrable Securities under the Securities Act as 
provided in Section 2, Parent will:

          (i)    prepare and (within 30 days after the receipt of the Request)
     file with the SEC the requisite registration statement to effect such
     registration and use all reasonable efforts to cause such registration
     statement to become effective, provided that before filing such
     registration statement or any amendments thereto, Parent will furnish to
     the counsel selected by the Stockholder copies of all such documents
     proposed to be filed, which documents will be subject to the review of such
     counsel before any such filing is made, and Parent will comply with any
     reasonable request made by such counsel to make changes in any information
     contained in such documents relating to the Stockholder;

          (ii)   prepare and file with the SEC such amendments and supplements
     to such registration statement and the prospectus used in connection
     therewith as may be reasonably necessary to maintain the effectiveness of
     such registration and to comply with the provisions of the Securities Act
     with respect to the disposition of all securities covered by such
     registration statement until the earliest of (A) the termination of this
     Agreement pursuant to Section 15, (B) such time as all of such securities
     have been disposed of and (C) the date which is 60 days after the date of
     initial effectiveness of such registration statement;


                                    -2-

<PAGE>

          (iii)  furnish to the Stockholder such number of conformed copies of
     such registration statement and of each amendment and supplement thereto
     (in each case including all exhibits), such number of copies of the
     prospectus contained in such registration statements and any supplements
     thereto and any other prospectus filed under Rule 424 under the Securities
     Act, and such other documents, including documents incorporated by
     reference, as the Stockholder may reasonably request;

          (iv)   use all reasonable efforts to register or qualify all
     Registrable Securities registered pursuant to such registration statement
     under such other securities or blue sky laws of such jurisdictions as the
     Stockholder shall reasonably request, to keep such registration or
     qualification in effect for so long as such registration statement remains
     in effect, and take any other action which may be reasonably necessary or
     advisable to enable the Stockholder to consummate the disposition in such
     jurisdictions of the securities owned by the Stockholder, except that
     Parent shall not for any such purpose be required to qualify generally to
     do business as a foreign corporation in any jurisdiction wherein it would
     not but for the requirements of this subdivision (iv) be obligated to be so
     qualified, to be subject to taxation or to consent to general service of
     process in any such jurisdiction;

          (v)    use all reasonable efforts to cause all Registrable Securities
     covered by such registration statement to be registered with or approved by
     such other governmental agencies or authorities as may be necessary to 
     enable the Stockholder to consummate the disposition of such Registrable
     Securities;

          (vi)   if such registration includes an underwritten public offering,
     furnish to the Stockholder a signed counterpart of (x) an opinion of
     counsel for Parent, dated the date of the closing under the underwriting
     agreement, and (y) a "comfort letter," dated the effective date of such
     registration statement (and a supplement to such "comfort letter" dated the
     date of the closing under the underwriting agreement), signed by the
     independent public accountants who have certified Parent's financial
     statements included in such registration statement, covering substantially
     the same matters with respect to such registration statement (and the
     prospectus included therein) and, in the case of the accountants' letter,
     with respect to events subsequent to the date of such financial statements,
     as are customarily covered in opinions of issuer's counsel and in
     accountants' letters delivered to the underwriters in underwritten public
     offerings of securities and, in the case of the accountants' letter, such
     other financial matters, as the Stockholder (or the underwriters, if any)
     may reasonably request;

          (vii)  notify the Stockholder at any time when Parent is aware that a
     prospectus relating to Registrable Securities is required to be delivered
     under the Securities Act, promptly upon becoming aware of the happening of
     any event as a result of which the prospectus included in such registration
     statement, as then in effect, includes an untrue statement of a material
     fact or omits to state any material fact required to be stated therein or
     necessary to make the statements therein not misleading in the light of the
     circumstances under which they were made, and at the request of the
     Stockholder (and subject to Section 4(b)(ii)) as promptly as reasonably
     practicable prepare and furnish to 


                                    -3-

<PAGE>

     the Stockholder a reasonable number of copies of a supplement to or an 
     amendment of such prospectus as may be necessary so that, as thereafter 
     delivered to the purchasers of such securities, such prospectus shall 
     not include an untrue statement of a material fact or omit to state a 
     material fact required to be stated therein or necessary to make the 
     statements therein not misleading in light of the circumstances under 
     which they were made;

          (viii)  otherwise use all reasonable efforts to comply with the
     Securities Act and the Exchange Act and with all applicable rules and
     regulations of the SEC, and not file any amendment or supplement to such
     registration statement or prospectus to which the Stockholder shall have
     reasonably objected on the grounds that such amendment or supplement does
     not comply in all material respects with the requirements of the Securities
     Act;

          (ix)   provide a transfer agent and registrar for all Registrable
     Securities covered by such registration statement not later than the
     effective date of such registration statement; and

          (x)    use all reasonable efforts to list all Common Stock covered by
     such registration statement on any securities exchange on which any of the
     Common Stock is then listed.

          Parent may require the Stockholder to furnish Parent such information
regarding the Stockholder and the distribution of such securities as Parent may
from time to time reasonably request in writing for the purpose of registering
the Registrable Securities pursuant to a Request hereunder.  

          The Stockholder agrees by acquisition of the Registrable Securities
that upon receipt of any notice from Parent of the happening of any event of the
kind described in subdivision (vii) of this Section 3, the Stockholder will
forthwith discontinue its disposition of Registrable Securities pursuant to the
registration statement relating to such Registrable Securities until the
Stockholder's receipt of the copies of the supplemented or amended prospectus
contemplated by subdivision (vii) of this Section 3 and, if so directed by
Parent, will deliver to Parent (at Parent's expense) all copies then in the
Stockholder's possession, other than permanent file copies, of the prospectus
relating to such Registrable Securities current at the time of receipt of such
notice.  Any delay pursuant to this paragraph shall toll on a day for day basis
the running of the 60 day period referred to in Section 3(ii) hereof.

          4.     (a)  REQUESTED UNDERWRITTEN OFFERINGS.  If requested by the
underwriters for any underwritten offering of Registrable Securities by the
Stockholder under a registration requested pursuant to Section 2, Parent and the
Stockholder will enter into a customary underwriting agreement with such
underwriters for such offering, to contain such representations and warranties
and such other terms as are customarily contained in agreements of this type,
including, without limitation, indemnities to the effect and to the extent
provided in Section 6. 

          (b)    POSTPONEMENT.  (i) [RESERVED]


                                    -4-

<PAGE>


          (ii)    Parent may postpone any registration which is requested
pursuant to Section 2 or delivery of a prospectus or supplement or amendment
pursuant to Section 3(vii) if it determines that in view of the advisability of
deferring public disclosure of material corporate developments or other
information, the disclosures required to be made pursuant thereto would not be
in the best interests of Parent at that time.  In the event Parent makes any
such election, the Stockholder agrees to keep confidential the fact of such
election and any information provided by Parent in connection therewith.  No
single postponement pursuant to this Section 4(b)(ii) of any registration which
is requested pursuant to Section 2 or delivery of a prospectus or supplement or
amendment pursuant to Section 3(vii) shall exceed 90 days and all such
postponements shall not exceed 180 days in the aggregate. 

          5.     COVENANTS RELATING TO RULE 144/145.  Parent will prepare and
file in a timely manner, information, documents and reports in compliance with
the Exchange Act so as to comply with the requirements of such Act and the rules
and regulations thereunder.  If at any time Parent is not required to file
reports in compliance with either Section 13 or Section 15(d) of the Exchange
Act, Parent at its expense will forthwith, upon the written request of the
Stockholder, make available adequate current public information with respect to
Parent within the meaning of paragraph (c)(2) of Rule 144 under the Securities
Act.

          6.     INDEMNIFICATION.  (a)  Indemnification by Parent.  In the
event of any registration of any Registrable Securities of Parent under the
Securities Act, Parent will indemnify and hold harmless the Stockholder, each
other Person who participates as an underwriter in the offering or sale of such
securities and each other Person who controls any such underwriter within the
meaning of the Securities Act, against any losses, claims, damages or
liabilities, joint or several, to which the Stockholder or any such underwriter
or controlling person may become subject under the Securities Act or otherwise,
insofar as such losses, claims, damages or liabilities (or actions or
proceedings, whether commenced or threatened, in respect thereof) arise out of
or are based upon any untrue statement or alleged untrue statement of any
material fact contained in the registration statement under which such
Registrable Securities were registered under the Securities Act, any preliminary
prospectus, final prospectus or summary prospectus contained therein, or any
amendment or supplement thereto, or any omission or alleged omission to state
therein a material fact required to be stated therein or necessary to make the
statements therein not misleading, and Parent will reimburse the Stockholder and
each such underwriter and controlling person for any legal or any other expenses
reasonably incurred by them in connection with investigating or defending any
such loss, claim, liability, action or proceedings; PROVIDED that Parent shall
not be liable in any such case to the extent that any such loss, claim, damage,
liability (or action or proceeding in respect thereof) or expense arises out of
or is based upon (i) an untrue statement or alleged untrue statement or omission
or alleged omission made in such registration statement, any such preliminary
prospectus, final prospectus, summary prospectus, amendment or supplement in
reliance upon and in conformity with written information furnished to Parent by
the Stockholder for use in the preparation thereof, (ii) the use of any
prospectus after such time as the obligation of Parent to keep the same
effective and current has expired, or (iii) the use of any prospectus after such
time as Parent has advised the Stockholder that the filing of a post-effective
amendment or supplement thereto is required, except such prospectus as so
amended or supplemented, and PROVIDED FURTHER that Parent shall not be liable to
any Person who participates as an underwriter in the offering or sale of
Registrable Securities or any other Person, if any, who 


                                    -5-

<PAGE>

controls such underwriter within the meaning of the Securities Act in any 
such case to the extent that any such loss, claim, damage, liability (or 
action or proceeding in respect thereof) or expense arises out of the matters 
described in (i), (ii) or (iii) above or such Person's failure to send or 
give a copy of the final prospectus or supplement to the Persons asserting an 
untrue statement or alleged untrue statement or omission or alleged omission 
at or prior to the written confirmation of the sale of Registrable Securities 
to such Person if such statement or omission was corrected in such final 
prospectus or supplement. Such indemnity shall remain in full force and 
effect regardless of any investigation made by or on behalf of the 
Stockholder or any such underwriter or controlling person and shall survive 
the transfer of such securities by the Stockholder.

          (b)    INDEMNIFICATION BY THE STOCKHOLDER.  Parent may require, as 
a condition to including any Registrable Securities of the Stockholder in any 
registration statement filed pursuant to Section 2, that Parent shall have 
received an undertaking reasonably satisfactory to it from the Stockholder to 
indemnify and hold harmless (in the same manner and to the same extent as set 
forth in subdivision (a) of this Section 6) Parent, each director and officer 
of Parent, and each other Person, if any, who controls Parent, within the 
meaning of the Securities Act, with respect to any untrue statement or 
alleged untrue statement of a material fact in or omission or alleged 
omission to state a material fact from such registration statement, any 
preliminary prospectus, final prospectus or summary prospectus contained 
therein, or any amendment or supplement thereto, if such untrue statement or 
alleged untrue statement or omission or alleged omission was made in reliance 
upon and in conformity with written information furnished to Parent by the 
Stockholder for use in the preparation of such registration statement, 
preliminary prospectus, final prospectus, summary prospectus, amendment or 
supplement PROVIDED, HOWEVER, that the Stockholder shall not be liable to the 
extent that the losses, liabilities or expenses arise out of or are based 
upon (i) the use by Parent of any prospectus after such time as the 
obligation of Parent to keep the same effective and current has expired or 
(ii) the use by Parent of any prospectus after such time as the Stockholder 
has advised Parent that the filing of a post-effective amendment or 
supplement thereto is required with respect to any information contained in 
such prospectus concerning the Stockholder, except such prospectus as so 
amended or supplemented.  Such indemnity shall remain in full force and 
effect regardless of any investigation made by or on behalf of Parent, or any 
such director, officer, or controlling person and shall survive the transfer 
of such securities by the Stockholder.

          (c)    NOTICES OF CLAIMS, ETC.  Promptly after receipt by an 
indemnified party of notice of the commencement of any action or proceeding 
involving a claim referred to in the preceding subdivisions of this Section 
6, such indemnified party will, if a claim in respect thereof is to be made 
against an indemnifying party, give written notice to the latter of the 
commencement of such action, PROVIDED that the failure of any indemnified 
party to give notice as provided herein shall not relieve the indemnifying 
party of its obligations under the preceding subdivisions of this Section 6, 
except to the extent that the indemnifying party is actually prejudiced by 
such failure to give notice. In case any such action is brought against an 
indemnified party, unless a conflict of interest between such indemnified and 
indemnifying parties exists in respect of such claim, the indemnifying party 
shall be entitled to participate in and to assume the defense thereof, 
jointly with any other indemnifying party similarly notified to the extent 
that it may wish, with counsel reasonably satisfactory to such indemnified 
party, and after notice from the indemnifying party to such indemnified party 
of its election so to assume the defense thereof, the indemnifying party 


                                    -6-

<PAGE>

shall not be liable to the indemnified party for any legal or other expenses 
subsequently incurred by the latter in connection with the defense thereof 
other than reasonable costs of investigation. 

          (d)    CONTRIBUTION.  If for any reason the foregoing indemnity is 
unavailable, or is insufficient to hold harmless an indemnified party, then 
the indemnifying party shall contribute to the amount paid or payable by the 
indemnified party as a result of the expense, loss, damage or liability, (i) 
in such proportion as is appropriate to reflect the relative fault of the 
indemnifying party on the one hand and the indemnified party on the other 
(determined by reference to, among other things, whether the untrue or 
alleged untrue statement of a material fact or omission relates to 
information supplied by the indemnifying party or the indemnified party and 
the parties' relative intent, knowledge, access to information and 
opportunity to correct or prevent such untrue statement or omission), or (ii) 
if the allocation provided by clause (i) above is not permitted by applicable 
law or provides a lesser sum to the indemnified party than the amount 
hereinafter calculated, in the proportion as is appropriate to reflect not 
only the relative fault of the indemnifying party and the indemnified party, 
but also the relative benefits received by the indemnifying party on the one 
hand and the indemnified party on the other, as well as any other relevant 
equitable considerations.  No indemnified party guilty of fraudulent 
misrepresentation (within the meaning of Section 11(f) of the Securities Act) 
shall be entitled to contribution from any indemnifying party who was not 
guilty of such fraudulent misrepresentation.

          7.     NOTICES, ETC.  All notices, requests, demands or other 
communications required by or otherwise with respect to this Agreement shall 
be in writing and shall be deemed to have been duly given to any party when 
delivered personally (by courier service or otherwise), when delivered by 
telecopy if receipt is confirmed by return telecopy, or five days after being 
mailed by registered or certified mail, return receipt requested, in each 
case to the applicable addresses set forth below:

          If to Parent:
          

          with a copy to:
          
          Wachtell, Lipton, Rosen & Katz
          51 W. 52nd Street
          New York, New York  10019
          Attention:  Trevor S. Norwitz, Esq.
          Telecopy:  (212) 403-2000

          If to the Stockholder:
          

          with a copy to:


                                    -7-

<PAGE>

          or to such other address as such party shall have designated by 
notice so given to each other party.

          8.     AMENDMENTS, WAIVERS, ETC.  This Agreement may not be 
amended, supplemented, waived or otherwise modified except by an instrument 
in writing signed by the party against whom enforcement is sought.  The 
failure of any party to exercise any right, power or remedy provided under 
this Agreement or otherwise available in respect hereof at law or in equity, 
or to insist upon compliance by any other party with its obligations 
hereunder, and any custom or practice of the parties at variance with the 
terms hereof, shall not constitute a waiver by such party of its right to 
exercise any such or other right, power or remedy or to demand such 
compliance.

          9.     ENTIRE AGREEMENT.  This Agreement embodies the entire 
agreement and understanding between the parties relating to the subject 
matter hereof and supersedes all prior agreements and understandings relating 
to such subject matter.  

          10.    SEVERABILITY.  If any term of this Agreement or the 
application thereof to any party or circumstance shall be held invalid or 
unenforceable to any extent, the remainder of this Agreement and the 
application of such term to the other parties or circumstances shall not be 
affected thereby and shall be enforced to the greatest extent permitted by 
applicable law.

          11.    SUCCESSORS AND ASSIGNS.  This Agreement shall be binding 
upon and shall inure to the benefit of and be enforceable by the parties and 
their respective successors and assigns; PROVIDED that neither the rights nor 
the obligations of any party may be assigned or delegated without the prior 
written consent of the other parties.

          12.    GOVERNING LAW.  This Agreement and all disputes hereunder 
shall be governed by and construed and enforced in accordance with the laws 
of the State of Delaware.

          13.    NAME, CAPTIONS.  The name assigned this Agreement and the 
section captions used herein are for convenience of reference only and shall 
not affect the interpretation or construction hereof.

          14.    COUNTERPARTS.  This Agreement may be executed in any number 
of counterparts, each of which shall be deemed to be an original, but all of 
which together shall constitute one instrument.  Each counterpart may consist 
of a number of copies each signed by less than all, but together signed by 
all, the parties hereto.

          15.    TERMINATION.  This Agreement shall terminate and be of no 
further force and effect upon the later of the expiration of the Registration 
Period and the tenth day after effectiveness of the registration statement 
filed pursuant to the Request made during the Registration Period; PROVIDED 
that, notwithstanding this Section 15, the provisions of Section 6 shall 
survive the termination of this Agreement.

          IN WITNESS WHEREOF, the parties have duly executed this Agreement 
as of 


                                    -8-

<PAGE>

the date first above written.

                                   DANAHER CORPORATION.

                                   By: _____________________________
                                        Name: 
                                        Title: 


                                   ---------------------------------
                                   Name:  Kathryn C. Hach-Darrow


                                     -9-

<PAGE>


[HACH LETTERHEAD]


                              NEWS RELEASE


                      HACH COMPANY SIGNS DEFINITIVE
               MERGER AGREEMENT WITH DANAHER CORPORATION


      LOVELAND, COLORADO, APRIL 22, 1999 HACH COMPANY (NASDAQ:HACH/HACHA) 
announced today that it has entered into a definitive merger agreement 
pursuant to which Hach will become a wholly-owned subsidiary of Danaher 
Corporation. According to the agreement, Hach shareholders will receive .2987 
shares of Danaher common stock for each share of Hach Common and Class A 
stock. The transaction is valued at approximately $18.50 per share to Hach 
shareholders, or approximately $325 million. The transaction is expected to 
be tax-free to the Hach shareholders.

      The transaction, which will be accounted for as a pooling of interests, 
is subject to regulatory review and other customary conditions. The Boards of 
Directors of both corporations and a majority of the shareholders of Hach, 
acting by written consent, have approved the agreement. Lazard Freres & Co. 
LLC, has acted as Hach Company's investment banker.

      Kathryn Hach-Darrow, Chairman of Hach Company stated, "We are extremely 
pleased to be a part of the Danaher Corporation and see many strategic 
advantages to the combined companies. We believe this transaction offers 
significant benefits for our shareholders, employees and customers."

      Commenting on the transaction, George M. Sherman, President and Chief 
Executive Officer of Danaher, stated, "We are excited about the combination 
of our two companies. With its premier product offering in water quality 
analytical instrumentation, superior quality and innovation, Hach represents 
a very attractive strategic fit with Danaher's process/environmental controls 
business. We expect the transaction to be accretive to earnings per share."

      Danaher Corporation is a leading manufacturer of Process/Environmental 
Controls and Tools and Components.

      Hach Company is engaged in the manufacture and distribution of 
laboratory instruments, process analyzers, test kits, test strips and 
analytical reagents which are used to analyze the chemical content and other 
properties of water and other aqueous solution.

CONTACT:  Gary R. Dreher
          Chief Financial Officer
          (970) 669-3050



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