SIGMA ALDRICH CORP
10-Q, 2000-05-15
CHEMICALS & ALLIED PRODUCTS
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                    SECURITIES AND EXCHANGE COMMISSION
                          Washington, D.C. 20549



                                FORM 10 - Q

(Mark one)

[X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
ACT OF 1934
For the quarterly period ended March 31, 2000


                                    OR

[ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
ACT OF 1934
For the transition period from      TO



                 Commission file number       0-8135

                         SIGMA-ALDRICH CORPORATION
          (Exact name of registrant as specified in its charter)

                                Delaware
      (State or other jurisdiction of incorporation or organization)
                               43-1050617
                   (I.R.S. Employer Identification No.)

            3050 Spruce Street, St. Louis, Missouri  63103
            (Address of principal executive office) (Zip Code)

  (Registrant's telephone number, including area code)    314-771-5765

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

    Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.

                             Yes  X    No

    There were 85,239,585 shares of the Company's $1.00 par value common stock
outstanding on April 28, 2000.

<PAGE>
PART 1 - FINANCIAL INFORMATION

Item 1. Financial Statements

<TABLE>
                       Sigma-Aldrich Corporation
               Consolidated Statements of Income (unaudited)
                  (in thousands except per share amounts)

<CAPTION>
                                                              Three Months
                                                             Ended March 31,
                                                         -----------------------
                                                             2000         1999
                                                         -----------------------
<S>                                                      <C>          <C>
Net sales                                                 $ 283,950    $ 272,250
   Cost of products sold                                    126,623      122,416
                                                          ---------    ---------
Gross profit                                                157,327      149,834
   Selling, general and administrative expenses              96,871       91,969
                                                          ---------    ---------
Income from continuing operations before income taxes        60,456       58,865
     Provision for income taxes                              18,742       18,811
                                                          ---------    ---------
Net income from continuing operations                        41,714       39,054

Net income from discontinued operations                       7,809        5,548
                                                          ---------    ---------
Net income                                                $  49,523    $  44,602
                                                          =========    =========
Net income per share - Basic and Diluted
     Net income from continuing operations                    $0.45        $0.39
     Net income from discontinued operations                   0.08         0.05
                                                          ---------    ---------
     Net income                                               $0.53        $0.44
                                                          =========    =========

Weighted average number of shares outstanding - Basic        92,705      100,670
                                                          =========    =========
Weighted average number of shares outstanding - Diluted      92,872      100,994
                                                          =========    =========
Dividends per share                                       $  0.0775    $  0.0725
                                                          =========    =========


See accompanying notes to consolidated financial statements.
</TABLE>
<PAGE>
<TABLE>


                         Sigma-Aldrich Corporation
                        Consolidated Balance Sheets
                              (in thousands)


<CAPTION>                                        March 31,       December 31,
                                                   2000             1999
                                               ------------      -----------
<S>                                           <C>               <C>
Assets                                          (unaudited)

Current assets:

 Cash and cash equivalents                     $    39,882       $    43,847
 Accounts receivable, net of allowance
    for doubtful accounts                          212,021           193,471
 Inventories                                       404,747           408,518
 Other current assets                               61,073            59,774
 Net current assets of discontinued
    operations                                      83,963            68,961
                                               -----------       -----------
      Total current assets                         801,686           774,571
                                               -----------       -----------

Property, plant and equipment:
 Land                                               34,098            34,534
 Buildings and improvements                        325,649           328,275
 Machinery and equipment                           438,337           427,820
 Construction in progress                           46,435            53,636
 Less-Accumulated depreciation                    (371,102)         (362,529)
                                               -----------       -----------
      Net property, plant and equipment            473,417           481,736
                                               -----------       -----------
Goodwill, net                                       87,971            90,938
Other assets                                        18,326            18,569
Net noncurrent assets of discontined
    operations                                      65,840            66,187
                                               -----------       -----------
      Total assets                             $ 1,447,240       $ 1,432,001
                                               ===========       ===========

Liabilities and Stockholders' Equity

Current Liabilities:
 Notes payable                                 $   273,702       $    20,665
 Current maturities of long-term debt                  131               143
 Accounts payable                                   47,286            41,995
 Accrued payroll and payroll taxes                  23,460            20,890
 Accrued income taxes                               13,572                --
 Other accrued expenses                             28,005            21,919
                                               -----------       -----------
      Total current liabilities                    386,156           105,612
                                               -----------       -----------
Long-term debt                                         190               205

Deferred postretirement benefits                    43,860            42,931

Deferred compensation                                6,752             6,128

Other liabilities                                   14,804            17,774


Stockholders' equity:
   Common stock, $1.00 par value, 200,000 shares
   authorized, 100,985 and 100,905 shares
   issued, respectively                            100,985           100,905
   Capital in excess of par value                   37,530            35,783
   Common stock in treasury, at cost, 12,732 and
   2,613 shares, respectively                     (376,395)          (77,785)
   Retained earnings                             1,282,660         1,240,184
   Accumulated other comprehensive loss            (49,302)          (39,736)
                                               -----------       -----------
      Total stockholders' equity                   995,478         1,259,351
                                               -----------       -----------
      Total liabilities and
       stockholders' equity                    $ 1,447,240       $ 1,432,001
                                               ===========       ===========

See accompanying notes to consolidated financial statements.
</TABLE>
<PAGE>
<TABLE>




                          Sigma-Aldrich Corporation
               Consolidated Statements of Cash Flows (unaudited)
                                (in thousands)


<CAPTION>                                               Three Months
                                                       Ended March 31,
                                                  -------------------------
                                                      2000           1999
                                                  -------------------------

Cash flows from operating activities:
<S>                                               <C>            <C>
 Net income                                        $  49,523      $  44,602
 Adjustments to reconcile net income to
 net cash provided by operating activities:
     Depreciation and amortization                    18,711         17,194
     Deferred income taxes                            (2,934)          (820)
     Postretirement benefits expense                   1,200          1,250
     Deferred compensation, net                          600            502
 Changes in assets and liabilities:
     Increase in accounts receivable                 (31,188)       (31,610)
     Increase in inventories                          (4,548)        (4,424)
     Other                                            31,739         20,780
                                                    ---------      ---------
     Net cash provided by operating activities        63,103         47,474
                                                    ---------      ---------
Cash flows from investing activities:
 Property, plant and equipment additions,net         (12,455)       (23,766)
 Other, net                                           (1,544)        (8,568)
                                                    ---------      ---------
     Net cash used in investing activities           (13,999)       (32,334)
                                                    ---------      ---------

Cash flows from financing activities:
  Issuance of notes payable                          252,774          9,070
  Repayment of long-term debt                             (5)           (43)
  Payment of dividends                                (7,051)        (7,298)
  Stock repurchases                                 (298,610)            --
  Exercise of employee stock options                   1,827          2,934
                                                    ---------      ---------
     Net cash (used in) provided by financing
     activities                                      (51,065)         4,663
                                                    ---------      ---------
Effect of exchange rate changes on cash               (2,004)         7,238
                                                    ---------      ---------

Net change in cash and cash equivalents               (3,965)        27,041

Cash and cash equivalents at January 1                43,847         24,345
                                                    ---------      ---------
Cash and cash equivalents at March 31               $ 39,882       $ 51,386
                                                    =========      =========

Supplemental disclosures of cash flow information:
 Income taxes paid                                  $ 12,264       $    177
 Interest paid, net of capitalized interest         $  2,636       $    484



See accompanying notes to consolidated financial statements.
</TABLE>
<PAGE>



                        Sigma-Aldrich Corporation
           Notes to Consolidated Financial Statements (Unaudited)
                 (in thousands, except per share amounts)

Basis of Presentation

The accompanying unaudited consolidated financial statements have
been prepared in accordance with generally accepted accounting
principles for interim financial information and the instructions
to Form 10-Q and Rule 10-01 of Regulation S-X and, accordingly, do
not include all information and footnotes required by generally accepted
accounting principles for complete financial statements. For further
information, refer to the notes to consolidated financial statements
included in the Company's Annual Report on Form 10-K for the year ended
December 31, 1999.  In the opinion of management, all adjustments,
consisting of normal recurring accruals, considered necessary for a fair
presentation have been included.  Operating results for the three months
ended March 31, 2000, are not necessarily indicative of the results
that may be expected for the year ending December 31, 2000.

Earnings per Share

A reconciliation of basic and diluted earnings per share, together with
the related shares outstanding is as follows (in thousands, except per
share amounts).

<TABLE>

                  Reconciliation of Earnings and Shares

<CAPTION>                                                   Three Months
                                                           Ended March 31,
                                                     --------------------------
                                                        2000           1999
                                                     -----------    -----------

Net income available to common shareholders
  <S>                                               <C>            <C>
   Net income from continuing operations             $    41,714    $    39,054
   Net income from discontinued operations                 7,809          5,548
                                                     -----------    -----------
   Net Income                                        $    49,523    $    44,602
                                                     ===========    ===========

Weighted average shares
   Basic shares                                           92,705        100,670
   Effect of dilutive securities - options
     outstanding                                             167            324
                                                     -----------    -----------
   Diluted shares                                         92,872        100,994
                                                     ===========    ===========

Net income per share - basic and diluted
   Net income from continuing operations             $      0.45    $      0.39
   Net income from discontinued operations                  0.08           0.05
                                                     -----------    -----------
   Net income                                        $      0.53    $      0.44
                                                     ===========    ===========
</TABLE>



Inventories

The principal categories of inventories are (in thousands):


                                  March 31,      December 31,
                                    2000            1999
                                  ---------      -----------
      Finished goods               $335,237       $342,351

      Work in process                19,351         18,556

      Raw materials                  50,159         47,611
                                  ---------      ----------
      Total                        $404,747       $408,518
                                  =========      ==========



Comprehensive Income

Comprehensive income is the total of all components of comprehensive
income and other comprehensive income, including net income.  Other
comprehensive income refers to revenues, expenses, gains and losses that
under GAAP are excluded from net income.  For the Company, the only
element of other comprehensive income is cumulative translation
adjustments arising from the translation of foreign operating units from
their local currency to the reporting currency.

For the quarter ended March 31, 2000 and 1999, comprehensive income was
$40.0 million and $26.4 million, respectively.


Company Operations By Geographic Segment

The Company's operations by geographic segment are as follows:

<TABLE>
<CAPTION>                                    Three Months Ended
                                                  March 31,
                                          -----------------------
                                             2000          1999
                                          ---------     ---------
<S>                                      <C>           <C>
  Net sales to unaffiliated customers:
   United States                          $ 134,266     $ 129,511
   International                            149,684       142,739
  Net intercompany sales between
  geographic areas:
   United States                             63,159        58,185
   International                             11,256         8,545
   Eliminations                             (74,415)      (66,730)
                                          ----------    ----------
      Total                                $283,950      $272,250
                                          ==========    ==========
  Income before provision for income
  taxes:
   United States                          $  48,268     $  44,094
   International                             12,788        14,603
   Eliminations                                (600)         (832)
                                          ----------    ----------
      Total                               $  60,456     $  57,865
                                          ==========    ==========
  Identifiable assets:
   United States                          $ 823,492     $ 843,342
   International                            541,491       518,790
   Eliminations                             (59,702)      (41,936)
   Net assets from discontinued
    operations                              141,959       139,569
                                          ----------    ----------
     Total                                $1,447,240    $1,459,765
                                          ==========    ==========

1999 amounts have been reclassified to conform to the
2000 presentation.
</TABLE>

Discontinued Operations

On November 22, 1999, the Company announced its strategic decision
to seek a buyer or its B-Line Systems metal business.  B-Line
Systems manufactures and markets a complete line of metal products
used in the installation and retrofitting of electrical, mechanical
and telecommunications applications.  On March 27, 2000, the
Company reached an agreement to sell B-Line Systems to Cooper
Industries, Inc.  On May 1, 2000, the Company completed the sale to
Cooper Industries, Inc. for $425 million, subject to certain
closing adjustments.  A portion of the funds received from the sale
reduced short-term borrowings.  Additional funds will be used to
continue share repurchases, for acquisitions and other general
corporate purposes.

The metal operations are accounted for as discontinued operations,
and accordingly, its operating results and net assets are
segregated in the accompanying Consolidated Statements of Income
and Consolidated Balance Sheets.

The net current assets of this discontinued operation are primarily
comprised of accounts receivable, inventory, accounts payable and
accrued expenses.  Net noncurrent assets are primarily property,
plant and equipment and goodwill.

Operating results for the metal business are included in the
Consolidated Statements of Income as net income from discontinued
operations.  Operating results from discontinued operations for
the three months ending March 31, 2000 and 1999 are as follows
(in thousands):

<TABLE>
<CAPTION>
                                             Three Months Ended
                                                  March 31,
                                           ----------------------
                                             2000          1999
                                           --------      --------
<S>                                       <C>           <C>
Net Sales                                  $ 75,681      $ 60,711
                                           ========      ========
Income before income taxes                 $ 12,395      $  8,806
Income taxes                                  4,586         3,258
                                           --------      --------
Net income                                 $  7,809      $  5,548
                                           ========      ========
</TABLE>


Item 2.  Management's Discussion and Analysis of Financial
Condition and Results of Operations

The following discussion should be read in conjunction with the
consolidated financial statements and notes thereto.  This
Quarterly Report on Form 10-Q may be deemed to include forward
looking statements within the meaning of Section 27A of the
Securities Act of 1933 and Section 21E of the Securities Exchange
Act of 1934 that involve risk and uncertainty, including financial,
business environment and projections, as well as statements
preceded by, followed by, or that include the words "believes,"
"expects," "anticipates" or similar expressions, and other
statements contained herein regarding matters that are not
historical facts.   Although the Company believes its expectations
are based on reasonable assumptions, it can give no assurance that
its goals will be achieved.  The important factors that could cause
actual results to differ materially from those in the forward-
looking statements herein include, without limitation, reduced
growth in research funding, uncertainties surrounding
government health care reform, government regulation applicable to
the Company's business, the effectiveness of the Company's further
implementation of its global software system, SAP, the highly
competitive environment in which the Company operates, the impact
of fluctuations in interest rates and foreign currency exchange
rates.  All subsequent written and oral forward-looking statements
attributable to the Company or persons acting on its behalf are
expressly qualified in their entirety by such cautionary statements.
The Company does not undertake any obligation to release publicly
any revisions to such forward-looking statements to reflect events
or uncertainties after the date hereof or to reflect the occurrence
of unanticipated events.


Results of Operations

Results for chemical and metal businesses are reported as continuing
and discontinued operations, respectively, as a result of the
Company's decision in November 1999 to seek a buyer for the metal
business and the March 2000 agreement to sell this business to Cooper
Industries, Inc.  On May 1, 2000 the Company completed the sale to
Cooper Industries, Inc. for $425 million subject to certain closing
adjustments.  For the three months ended March 31, 2000, net income
increased 11.0% to $49.5 million from $44.6 million in 1999 as
chemical margins returned to levels achieved early in 1999 and metal
income benefited from strong sales growth.  Diluted net income per
share rose 20.5% to $.53 per share from $.44 in 1999, reflecting
improved net income growth and a reduction in outstanding shares from
the Company's share repurchase program.

For the three months ended March 31, 2000, chemical sales increased
4.3% to $284.0 million.  Excluding the impact of currency exchange
rates, sales grew 7.7%.  Sales growth for laboratory products, life
science products and fine chemicals, which represent 90% of the
combined chemical business, exceeded the overall growth rate.
Results benefited from early successes in implementing a wide array
of strategic initiatives aimed at sharpening customer and life science
focus, including increased prices to reflect market conditions,
proactive customer contact by reorganized sales forces and continued
growth in orders through our award-winning web site.  Competitive
pricing and fewer instrument placements reduced diagnostic sales.

Cost of sales for the first three months of 2000 was $126.6 million
compared to $122.4 million for the first three months of 1999,
representing 44.6% and 45.0% of sales, respectively.  The improvement
in the gross profit rate in 2000 benefited from price increases and
process improvements, partially offset by increased spending in
research and development and higher costs of new facilities.

Selling, general and administrative expenses for the first three
months of 2000 were $96.9 million, or 34.1% of sales, compared to
$92.0 million, or 33.8% of sales in 1999.  Interest expense related to
short-term borrowings for share repurchases was the primary reason for
increases in 2000.

Net income from continuing operations was $41.7 million compared to
$39.1 million, a 6.6% gain, reflecting improved operating margins
resulting from the elimination of costs through restructuring and
process improvement activities and a reduced tax rate of 31.0% as a
result of the Company's ongoing ability to use research and
development and other tax credits.

Metal sales increased 24.7% to $75.7 million.  Strong demand for
telecommunications and enclosure products was helped by gains in
industrial construction sales in the quarter.  Improved pretax profit
margins of 16.4% reflect economies of scale from the strong sales
growth.


Liquidity and Capital Resources

The primary source of cash for the first three months of 2000 was
net cash provided by operating activities of $63.1 million, an
increase over the same period last year of $15.6 million.  The
increase resulted from a $4.9 million increase in net income and an
increase in other of $11.0 million, which is primarily a result of
an increase in accounts payable.

Investing activities reduced cash by approximately $14.0 million in
the first three months of 2000 compared to $32.3 million in the same
period last year.  Reduced levels of spending on investing activities
is a result of the purchase of the remaining 25% interest in Riedel-
de Haen in the prior year and a reduction in capital expenditures by
approximately $11.3 million in 2000.

Financing activities decreased cash by $51.1 million in the current
quarter.  The primary contributors were the purchase of treasury stock
of $298.6 million that was offset by an increase in short-term
borrowings of $243.7 million over the same period last year.  At
March 31, 2000, 12.7 million shares had been acquired.  At April 28,
2000 an additional 3.1 million shares had been acquired bringing the
total shares repurchased to 15.8 million.  In January 2000 the Board
of Directors authorized an increase in short term borrowing capacity of
$500 million of which $370 million is currently in place.  The Company
intends to renew these facilities as they expire or substitute similar
facilities for any that are not renewed.  At April 28, 2000 the Company
had $345 million of short-term financing outstanding which was paid down
with the funds received from the sale of the B-Line Systems metal
business on May 1, 2000.


Year 2000

As of April 28, 2000, the Company has not encountered any significant
business disruptions as a result of internal or external Year 2000
issues.  However, while no such occurrence has developed, Year 2000
issues may arise that may not be immediately apparent.  The Company
will continue to monitor and work to remediate any issues that may
arise.  Although the Company expects no material impact, such future
events cannot be known with certainty.

Euro

On January 1, 1999, eleven member countries of the European
Community established fixed conversion rates between their existing
currencies and the European Economic and Monetary Union's new
common currency, the Euro.  The transition period for the
introduction of the Euro is January 1, 1999 through January 1,
2002.  During this transition period, payment and billing may be
conducted in the Euro or the relevant legacy currency.

The Company is currently developing and implementing plans to
address the conversion to the Euro such as updating certain
information technology systems, evaluating currency risk, impacts
on financial transactions and competitive activity.  The costs
associated with addressing the Euro conversion are not expected to
be material.  The Company believes the conversion to the Euro will
not have a material impact on the Company's financial condition or
results of its operations.


Item 3. Quantitative and Qualitative Disclosures about Market Risk

Financial Derivatives

The Company transacts business in many parts of the world and is
subject to risks associated with changing foreign exchange rates.
It is the Company's objective to minimize the impact of foreign
exchange rate changes during the period of time between the
original transaction date and its cash settlement.  Accordingly,
the Company uses forward exchange contracts to hedge certain
receivables and payables denominated in foreign currencies in order
to stabilize the value of receivables and payables.

Most of the contracts are single currency.  Gains and losses on
these hedges, based on the difference in the contract rate and
the spot rate at the end of each month for all contracts still in
force are typically offset by transaction gains and losses, with net
gains and losses included in selling, general and administrative
expenses.  The market risk of foreign currency rate changes represents
the potential loss in fair value of net currency positions due to
adverse change in foreign currency exchange rates.  The Company does
not enter into foreign currency contracts for speculative trading
purposes.

In June 1998, the Financial Accounting Standards Board (FASB)
adopted Statement of Financial Accounting Standards No. 133,
"Accounting for Derivative Instruments and Hedging Activities"
(SFAS No. 133).  SFAS No. 133 establishes accounting and reporting
standards requiring that every derivative instrument (including
certain derivative instruments embedded in other contracts) be
recorded in the balance sheet as either an asset or liability
measured at its fair value and that changes in the derivative's
fair value be recognized currently in earnings unless specific
hedge accounting criteria are met. Special accounting for
qualifying hedges allows a derivative's gains and losses to offset
related results on the hedged item in the income statement, and
requires that a company formally document, designate, and assess
the effectiveness of transactions that receive hedge accounting.
SFAS No. 133 is effective for fiscal years beginning after June 15,
2000.  The Company has not yet quantified the effects of adopting
SFAS No. 133 on its consolidated financial statements nor has it
determined the timing or method of its adoption of SFAS No. 133.
However, SFAS No. 133 could increase volatility in earnings and
other comprehensive income.

PART II - OTHER INFORMATION

Item 6.   Exhibits and Reports on Form 8-K

     (a)  Exhibits
	 (2)  Plan of acquisition, reorganization, arrangement,
	      liquidation, or succession:
	     (a)  Sale and Purchase Agreement dated March 27, 2000 by and
		         among Sigma-Aldrich Corp., a Delaware corporation ("SIAL"),
       		  Sigma-Aldrich Co., an Illinois corporation ("SAC"), Sigma-
       		  Aldrich Canada Ltd., a corporation organized under the laws
      	 	  of Canada ("Sigma Canada"), Sigma-Aldrich Company Ltd., a
       		  corporation organized under the laws of the United Kingdom
       		  ("Sigma UK"), Sigma-Aldrich Chemie GmbH, a corporation
       		  organized under the laws of Germany ("Sigma Germany"),
       		  Cooper Industries, Inc., an Ohio corporation ("Cooper"),
       		  CBL Acquisition Corp., a Delaware corporation ("CBL") and
       		  Cooper Technologies Company, a Delaware corporation ("CTC",
       		  and with SIAL, SAC, Sigma Canada, Sigma UK, Sigma Germany,
       		  Cooper and CBL, the "Parties") Sigma-Aldrich Corporation,
       		  Sigma-Aldrich Co., Sigma-Aldrich Canada Ltd., Sigma-Aldrich
       		  Company Ltd., Sigma-Aldrich Chemie GmbH, as sellers and
       		  Cooper Industries, Inc., CBL Acquisition Corp., Cooper
       		  Technologies Company, as buyers (schedules omitted).
       		  Schedules omitted will be furnished to the Securities and
       		  Exchange Commission upon request.
	     (b)  First Amendment to the Sale and Purchase Agreement - an
       		  amendment to the certain Sale and Purchase Agreement ("the
       		  Agreement") dated March 27, 2000.

         (3)  Certificate of Incorporation and By-Laws:
             (a)  Certificate of Incorporation, as Amended - Incorporated by
                  reference to Exhibit 3(a) of Form 10-Q filed for the period
                  ended September 30, 1996, Commission File Number 0-8135.
             (b)  By-Laws as Amended - Incorporated by reference to Exhibit
                  3(a) of Form 8-K filed on December 22, 1999, Commission File
                  Number 0-8135.

	(10)  Material Contracts
	     (j)  Share Option Plan 2000 - Incorporated by reference to
		  Appendix A of the Company's Definitive Proxy Statement filed
		  March 30, 2000, Commission File number 0-8135.

        (27)  Financial Data Schedule

     (b)  No reports were filed on Form 8-K during the period for which this
          report was filed.







                           SIGNATURES

  Pursuant to the requirements of the Securities Exchange Act of
1934, the Registrant has duly caused this report to be signed on
its behalf by the undersigned thereunto duly authorized.


                   SIGMA-ALDRICH CORPORATION
                          (Registrant)


                      By   /s/  Karen J. Miller               May 12, 2000
                      ----------------------------          ----------------
                       Karen J. Miller, Controller                Date

 (on behalf of the Company and as Principal Accounting Officer)






<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000

<S>                            <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                          39,882
<SECURITIES>                                         0
<RECEIVABLES>                                  212,021
<ALLOWANCES>                                         0
<INVENTORY>                                    404,747
<CURRENT-ASSETS>                               801,686
<PP&E>                                         844,519
<DEPRECIATION>                                 371,102
<TOTAL-ASSETS>                               1,447,240
<CURRENT-LIABILITIES>                          386,156
<BONDS>                                              0
                                0
                                          0
<COMMON>                                       100,985
<OTHER-SE>                                     894,493
<TOTAL-LIABILITY-AND-EQUITY>                 1,447,240
<SALES>                                        283,950
<TOTAL-REVENUES>                               283,950
<CGS>                                          126,623
<TOTAL-COSTS>                                  126,623
<OTHER-EXPENSES>                                96,871
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 60,456
<INCOME-TAX>                                    18,742
<INCOME-CONTINUING>                             41,714
<DISCONTINUED>                                   7,809
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    49,523
<EPS-BASIC>                                     0.53
<EPS-DILUTED>                                     0.53


</TABLE>













                   SALE AND PURCHASE AGREEMENT

                          BY AND AMONG

                    SIGMA-ALDRICH CORPORATION
                        SIGMA-ALDRICH CO.
                    SIGMA-ALDRICH CANADA LTD.
                   SIGMA-ALDRICH COMPANY LTD.
                    SIGMA-ALDRICH CHEMIE GmbH
                            (SELLERS)

                               AND

                     COOPER INDUSTRIES, INC.
                      CBL ACQUISITION CORP
                   COOPER TECHNOLOGIES COMPANY
                             (BUYER)

                           RELATING TO

                       THE B-LINE BUSINESS



                         March 27, 2000


<PAGE>
<TABLE>
<CAPTION>
                        TABLE OF CONTENTS



<S>                                                            <C>
ARTICLE ONE:  TRANSACTIONS TO TAKE PLACE AT CLOSING             2
     1.1 Purchase and Sale of Stock and Assets                  2
     1.2  Assumed Liabilities and Obligations                   4
     1.3  Excluded Assets.                                      5


ARTICLE TWO:  PURCHASE PRICE AND ALLOCATION                     6
     2.1 Purchase Price and Preliminary Purchase Price          6
     2.2 Adjusted Purchase Price                                6
     2.3 Adjusted Consolidated Valuation.                       7
          2.3.1 Sellers' Statement                              7
          2.3.2 Buyer's Review                                  7
          2.3.3 Sellers' Review                                 8
          2.3.4 Conference                                      8
          2.3.5 Arbitrator                                      8
          2.3.6 Final Amount                                   10
     2.4 Settlement of the Adjusted Purchase Price             10
     2.5 Section 338(h)(10) and Allocation                     11


ARTICLE THREE:  CONDITIONS TO CLOSING                          11
     3.1 Conditions Precedent to Obligations of Sellers        11
          3.1.1 Representations and Warranties of Buyer        12
          3.1.2 Representations and Warranties of Sellers      12
          3.1.2 Delivery of Closing Documents                  12
          3.1.4 Performance of Agreement                       12
          3.1.4 Purchase Price                                 13
          3.1.5 No Governmental Orders, etc.                   13
          3.1.6 Licenses and Permits.                          13
          3.1.7 Hart-Scott-Rodino                              13
     3.2 Conditions Precedent to Obligations of Buyer          13
          3.2.1 Sellers' Representations and Warranties        14
          3.2.2 Delivery of Closing Documents                  14
          3.2.3 Performance of Agreement.                      14
          3.2.4 No Governmental Orders, etc.                   14
          3.2.5 Permits.                                       15
          3.2.6 Hart-Scott-Rodino.                             15
          3.2.7 Third-Party Consents                           15
          3.2.8 Leased Properties                              15


ARTICLE FOUR:  CLOSING                                         15
     4.1 The Closing                                           16
     4.2 Sellers' Obligations at Closing                       16
     4.3 Buyer's Obligations at Closing                        17


ARTICLE FIVE:  REPRESENTATIONS AND WARRANTIES                  18
     5.1 Materiality and Sellers' Knowledge                    18
     5.2 Representations and Warranties by Sellers             18
          5.2.1 Corporate Authority, Non-contravention and
               Ownership.                                      19
          5.2.2 Capital Stock.                                 21
          5.2.3 Financial Data                                 22
          5.2.4 Absence of Certain Changes                     23
          5.2.5 Compliance with Law and Permits                26
          5.2.6 Litigation, Product Claims and Related
               Matters                                         27
          5.2.7 Title to Personal Property - Owned.            29
          5.2.8 Personal Property - Leased                     29
          5.2.9 Real Property - Owned                          30
          5.2.10 Real Property - Leased.                       32
          5.2.11 Patents, Trademarks and Other Intellectual
               Property                                        33
          5.2.12 Taxes.                                        35
          5.2.13 Contracts                                     37
          5.2.14 Labor Relations.                              39
          5.2.15 Compliance with ERISA                         39
          5.2.16 Accounts Receivable                           40
          5.2.17 Inventory                                     41
          5.2.18 Environmental Matters                         41
          5.2.19 Transactions with Affiliated Persons          43
          5.2.20 Stock Record and Minute Books                 44
          5.2.21 Sufficiency of Assets                         44
          5.2.22 No Undisclosed Liabilities                    44
          5.2.23 No Broker.                                    45
          5.2.24 Scope of Representation                       45
          5.2.25 Insurance Policies                            46
     5.3 Representations and Warranties of Buyer               46
          5.3.1 Corporate Authority and Non-Contravention      46
          5.3.2 Litigation Concerning Agreement                47
          5.3.3 No Broker.                                     48
          5.3.4 Financing.                                     48
          5.3.5 Buyer's Knowledge.                             48


ARTICLE SIX:  PARTICULAR COVENANTS OF SELLER AND BUYER         49
     6.1 Covenants of Sellers                                  49
          6.1.1 Interim Operation of the B-Line Business       50
          6.1.2 Access to Records Prior to Closing             51
          6.1.3 Notices and Consents                           51
          6.1.4 Exclusivity                                    52
          6.1.5 Covenant Not to Compete                        52
          6.1.6 Non-Solicitation                               53
          6.1.7 Transition                                     53
          6.1.8 Intercompany Accounts and Agreements           53
          6.1.9 Further Assurances                             54
     6.2 Covenants of Buyer                                    54
          6.2.1 Further Assurances                             54
          6.2.2 No Reliance                                    54
     6.3 Mutual Covenants of the Parties                       55
          6.3.1 Best Efforts and Cooperation                   55
          6.3.2 Communications                                 55
          6.3.3 Access to Records and Employees Subsequent
               to Closing.                                     56
          6.3.4 Failure of Conditions; Waiver                  57
          6.3.5 Insurance                                      58
          6.3.6 Amounts Received for Accounts Receivable       58
          6.3.7 Hart-Scott-Rodino Act Approvals.               58
          6.3.8 Tax Matters.                                   59


ARTICLE SEVEN:  EMPLOYEES AND EMPLOYEE MATTERS                 62
     7.1 Treatment of Employees-General                        62
     7.2 Welfare Benefits                                      63
     7.3 Buyer's Assumption of Liability                       65
     7.4 Plant Closing Law                                     66
     7.5 Security Value Plan                                   66
     7.6 401(k) Plan                                           66


ARTICLE EIGHT:  INDEMNIFICATION                                67
     8.1 Indemnification by Buyer                              67
     8.2 Indemnification by Sellers                            68
     8.3 Indemnification Procedures                            70
     8.4 Computation of Claims                                 71
     8.5 Term of Indemnification                               71
     8.6 Sole Basis For Claims                                 72


ARTICLE NINE:  MISCELLANEOUS                                   72
     9.1 Expenses.                                             72
     9.2 Scope of Liability and Available Remedies.            72
          9.2.1 Joint and Several Liability                    72
          9.2.2 Joint and Several Liability                    73
          9.2.3 Certain Damages Waived                         73
     9.3 Arbitration                                           73
          9.3.1 Conference                                     73
          9.3.2 General                                        74
          9.3.3 Appointment of Tribunal                        74
          9.3.4 Final and Binding                              74
          9.3.5 Award.                                         75
          9.3.6 Cost of Proceedings                            75
          9.3.7 Agents                                         75
     9.4 Notices                                               76
     9.5 Captions                                              77
     9.6 Successors and Assigns; Other Parties                 77
     9.7 Entire Agreement                                      78
     9.8 Construction                                          78
     9.9 Time of Essence                                       79
     9.10 Termination                                          79
     9.11 Counterparts                                         80
     9.13 Modification; Waiver                                 80
     9.14 Severability                                         81


GLOSSARY INDEX OF DEFINED TERMS                                83


LIST OF SCHEDULES                                              85

</TABLE>
<PAGE>


                   SALE AND PURCHASE AGREEMENT



          THIS SALE AND PURCHASE AGREEMENT ("Agreement") is made

and entered into this 27th day of March, 2000, by and among Sigma-

Aldrich Corporation, a Delaware corporation ("SIAL" ), Sigma-

Aldrich Co., an Illinois corporation ("SAC"), Sigma-Aldrich

Canada Ltd., a corporation organized under the laws of Canada

("Sigma Canada"), Sigma-Aldrich Company Ltd., a corporation

organized under the laws of the United Kingdom ("Sigma UK" ), and

Sigma-Aldrich Chemie GmbH, a corporation organized under the laws

of Germany ("Sigma Germany"  and together with SIAL, SAC, Sigma

Canada and Sigma UK "Sellers"), and Cooper Industries, Inc. an

Ohio corporation ("Cooper"), CBL Acquisition Corp., a Delaware

corporation ("CBL") and Cooper Technologies Company, a Delaware

Corporation ("CTC") (Cooper, CBL, CTC and any other affiliate(s)

of Cooper thereof to be designated, collectively "Buyer").  Each

of Sellers and Buyer are referred to hereinafter individually as

a "Party" and collectively as the "Parties."

          WHEREAS, Sellers, among other things, are currently and

have been engaged in the business of the design, manufacture and

sale of metal components for strut, cable tray, pipe support and

telecommunications systems and electrical enclosures (which

business is referred to herein as the "B-Line Business"),

directly and/or indirectly through certain subsidiaries;

          WHEREAS, Buyer desires to purchase from Sellers, and

Sellers desire to sell to Buyer, all of the stock of SIAL's

subsidiaries B-Line and B-Line Manufacturing, which are engaged

entirely in the B-Line Business, and the other assets relating to

the B-Line Business and to assume certain liabilities relating to

the B-Line Business on the following terms and conditions;

          NOW, THEREFORE, in consideration of the premises and

the mutual promises hereinafter expressed, it is agreed as

follows:

ARTICLE ONE:  TRANSACTIONS TO TAKE PLACE AT CLOSING

     1.1  Purchase and Sale of Stock and Assets.  Subject to the

terms and conditions hereof, at Closing (as herein defined),

effective as of the Effective Time (as herein defined), in

exchange for the Adjusted Purchase Price (as herein defined):

          (a)  SIAL shall sell and deliver to the Buyer and the

Buyer shall purchase and accept from SIAL all of its right, title

and interest in and to all of the issued and outstanding capital

stock (the "B-Line Stock") of B-Line Systems, Inc., an Illinois

corporation ("B-Line"); and

          (b)  SAC shall sell to the Buyer and the Buyer shall

purchase from SAC all of SAC's right, title and interest to all

of the issued and outstanding capital stock (the "Manufacturing

Stock") of B-Line Systems Manufacturing, Inc., a Delaware

corporation ("B-Line Manufacturing"); and

          (c)  SAC shall sell to the Buyer and the Buyer shall

purchase from SAC all of SAC's right, title and interest to all

of its assets used exclusively in connection with the B-Line

Business, including without limitation those assets described on

Schedule 1.1(c) hereto (the "SAC B-Line Business Assets"); and

          (d)  Sigma Canada shall sell to the Buyer and the Buyer

shall purchase from Sigma Canada all of Sigma Canada's right,

title and interest to all of its assets used exclusively in

connection with the B-Line Business, which consist of inventory,

accounts receivable, cantilever racking and two Dell computers

(the "Canada B-Line Business Assets"); and

          (e)  Sigma UK shall sell to the Buyer and the Buyer

shall purchase from Sigma UK all of Sigma UK's right, title and

interest to all of its assets used exclusively in connection with

the B-Line Business, which consist of inventory, accounts

receivable and three motor vehicles (the "UK B-Line Business

Assets"); and

          (f)  Sigma Germany shall sell to the Buyer and the

Buyer shall purchase from Sigma Germany all of Sigma Germany's

right, title and interest to all of its assets used exclusively

in connection with the B-Line Business, which consist of

inventory and accounts receivable (the "Germany B-Line Business

Assets").

          (g)  Sellers shall sell to CTC and CTC shall purchase

from Sellers all of Sellers' right, title and interest to all of

their Intangibles (as defined below) used exclusively in

connection with the B-Line Business.

No later than ten days prior to Closing, Cooper on behalf of

Buyer shall specify in writing to SIAL on behalf of Sellers

whether the transfers specified in clauses (a) through (f) of

this Section 1.1 shall be made to CBL or any other designated

affiliate(s) of Cooper (in which case such other affiliate(s)

shall become parties to and bound by this Agreement and shall be

deemed to be included within the definition of Buyer hereunder).

Together, the B-Line Stock, the Manufacturing Stock, the SAC B-

Line Business Assets, the Canada B-Line Business Assets, the UK B-

Line Business Assets and the Germany B-Line Assets are the

"Assets."  Notwithstanding the foregoing, the assets identified

in Section 1.3 shall not be transferred and are hereinafter

referred to as the "Excluded Assets."

          1.2  Assumed Liabilities and Obligations.  On the terms

and subject to the conditions hereof, at Closing, effective as of

the Effective Time, Buyer shall assume, and thereafter shall pay

and fully satisfy all liabilities and obligations (including,

without limitation, any contract, obligation or liability

described more particularly in Sections 5.2.13, 7.2 and 7.3 and

any liability with respect to products manufactured or sold by

the B-Line Business prior to the Effective Time, and any

attorneys' and experts' fees and expenses related thereto)

arising out of or resulting from Sellers' ownership (directly

and/or through subsidiaries) or operation of the B-Line Business

prior to the Effective Time and Buyer's ownership or operation of

the B-Line Business after the Effective Time (the "Assumed

Liabilities"), pursuant to a general assignment and assumption of

liabilities substantially in the form of Exhibit A hereto.

Notwithstanding the foregoing, Assumed Liabilities will not

include the following (collectively, the "Excluded Liabilities"):

               (a)  any Taxes as a result of the Section

338(h)(10) Election which are assumed by Sellers pursuant to the

last sentence of Section 6.3.8(h) of this Agreement;

               (b)  any Income Taxes (as defined below) arising

out of the operation of the B-Line Business through the Effective

Time;

               (c)  any intercompany accounts payable of the B-

Line Business existing at any time prior to Closing (all of which

shall be cancelled prior to Closing);

               (d)  any liability for product warranty or product

liability claims asserted, or to Sellers' knowledge threatened,

prior to the Effective Time with respect to products sold by the

B-Line Business prior to the Effective Time ("Pre-Closing Product

Claims" ) in excess of  the reserve or accrual therefor reflected

on the Adjusted Consolidated Valuation;

               (e)  any workers' compensation liability related

to Occurrences (hereinafter defined) prior to the Effective Time,

except to the extent accrued in the Adjusted Consolidated

Valuation;

               (f)  any indebtedness for borrowed money for which

any of the Operating Companies (as hereinafter defined) is

liable, contingently or otherwise, as obligor, guarantor, or

otherwise, or in respect of which any of the Operating Companies

otherwise assures a creditor against loss, on or before the

Effective Time ("Long Term Debt" ) except as set forth on

Schedule 1.2(f) hereto; or

               (g) any liabilities or obligations for which any

of Sellers is responsible under any other provision hereof (and

without waiver of any obligations of Sellers under the Transition

Services Agreement), including without limitation any obligations

and liabilities retained or assumed by Sellers pursuant to

Articles Seven, Eight and Nine, subject in each case to any

conditions or limitations applicable thereto.

          1.3  Excluded Assets.  The Parties agree, any provision

hereof to the contrary notwithstanding, that the Assets shall not

include any of the following assets, and SIAL shall have the

right, at or prior to the Closing, to have:  (a) all cash in the

Business, (b) any Income Tax (hereinafter defined) accounts,

including deferred tax assets and any refunds relating to Income

Tax receivables of the B-Line Business relating to periods before

the Closing, which assets shall be distributed to SIAL or

retained by any of the Sellers, (c) the shares of Sigma-Aldrich

Holding Ltd. (UK), B-Line Systems Limited (UK), James F. Burns

Co., Inc. or KL Acquisition Corp. (or any other, dormant legal

entities affiliated with any of Sellers), or (d) any intercompany

accounts receivable of the B-Line Business existing at any time

prior to Closing between the B-Line Business and any of the

Sellers.

           ARTICLE TWO:  PURCHASE PRICE AND ALLOCATION

          2.1  Purchase Price and Preliminary Purchase Price.

The purchase price for the Assets shall be the Adjusted Purchase

Price.  At the Closing, Buyer shall pay to SIAL on behalf of all

Sellers $425,000,000 (the "Preliminary Purchase Price").

Following Closing, the Adjusted Purchase Price shall be

determined and paid as provided in Sections 2.2 and 2.3.

          2.2  Adjusted Purchase Price.  The adjusted purchase

price to be determined and settled as provided herein (the

"Adjusted Purchase Price") shall be equal to the Preliminary

Purchase Price plus or minus the amount, if any, by which the

Adjusted Consolidated Valuation is greater or less than the

Preliminary Consolidated Valuation.  For purposes of this

calculation, "Preliminary Consolidated Valuation"  shall be

$138,640,000 (consisting of the consolidated net book value of

the Assets (other than the B-Line Stock and the Manufacturing

Stock), the Assumed Liabilities and the assets and liabilities of

B-Line and B-Line Manufacturing as derived from the Audited

Financial Statements (hereinafter defined) in accordance with

Section 5.2.3 hereof, all as of December 31, 1999 as adjusted as

provided in Schedule 2.2(a), as shown on Schedule 2.2(b) hereto.

"Adjusted Consolidated Valuation" shall equal the consolidated

net book value of the Assets (other than the B-Line Stock and the

Manufacturing Stock), the Assumed Liabilities and the assets and

liabilities of B-Line and B-Line Manufacturing, all as of the

Closing Date in accordance with Section 2.3.1 hereof.

          2.3  Adjusted Consolidated Valuation.

               2.3.1     Sellers' Statement.  Sellers shall

prepare and deliver to Buyer within 60 days after the Closing

Date a statement of the Adjusted Consolidated Valuation.  Such

statement shall be prepared using the same accounting principles

and practices that were used in preparing the Audited Financial

Statements and the Preliminary Consolidated Valuation and shall

be adjusted in accordance with Schedule 2.2(a).

               2.3.2     Buyer's Review.  In the event that

Buyer, in good faith, disagrees with any determinations made by

Sellers and reflected in the statement of Adjusted Consolidated

Valuation delivered pursuant to Section 2.3.1, and such

disagreement in Buyer's view affects the Adjusted Purchase Price,

each specific item of disagreement and proposed adjustment shall

be set forth in writing and delivered to SIAL on behalf of all

Sellers within 60 days from receipt of the statement of Adjusted

Consolidated Valuation ("Buyer's Letter" ). If Buyer does not

submit Buyer's Letter within such 60-day period, Sellers'

statement of the Adjusted Consolidated Valuation delivered

pursuant to Section 2.3.1 will become final.

               2.3.3     Sellers' Review.  Sellers will then have

30 days following receipt of the Buyer's Letter, if any, to

review Buyer's proposed adjustments.  Within the 30-day period,

Sellers shall notify Cooper on behalf of Buyer in writing of

Sellers' position with respect to each of Buyer's proposed

adjustments ("Sellers' Letter" ).  If Sellers do not submit

Sellers' Letter within such 30-day period, the Sellers' statement

of Adjusted Consolidated Valuation delivered pursuant to Section

2.3.1 as adjusted by Buyer's Letter will become final.

               2.3.4     Conference.  Within 30 days after the

response from Sellers pursuant to Section 2.3.3 above, the

Parties shall confer and endeavor to mutually resolve the

adjustments, if any, which are in dispute.  If Sellers and Buyer

do not agree upon an Adjusted Purchase Price within such 30-day

period (the end of such 30 day period being hereinafter referred

to as the "Arbitration Deadline"), such dispute shall be resolved

in accordance with the procedures set out in Section 2.3.5 below.

               2.3.5     Arbitrator.  If the Parties cannot

mutually resolve any disputes involving Buyer's proposed

adjustments by the Arbitration Deadline, the Parties shall

jointly engage the St. Louis office of the accounting firm of

PricewaterhouseCoopers (the "Accounting Arbitrator" ), to act as

arbitrator. The Accounting Arbitrator shall be furnished with a

copy of the Agreement, the Preliminary Consolidated Valuation,

Sellers' statement of Adjusted Consolidated Valuation delivered

pursuant to Section 2.3.1, Buyer's Letter, Sellers' Letter, the

Buyer's proposed treatment of the items in dispute (the "Buyer's

Proposal", which may but need not be the same as set out in the

Buyer's Letter), the Seller's proposed treatment of the items in

dispute (the "Sellers' Proposal", which may but need not be the

same as set out in the Sellers' Letter), and any other relevant

correspondence between the Parties.  The Accounting Arbitrator

must, within 30 days from the date such documents are furnished,

complete its review and render a written report setting forth its

conclusion with respect to each of Buyer's proposed adjustments

which were unresolved between the Parties.  The Accounting

Arbitrator shall be granted access to the books and records of

the B-Line Business as well as the working papers or other

documents which either Party or its accountants may have which

relate to the Preliminary Consolidated Valuation and any other

documents or information which the Accounting Arbitrator may deem

appropriate.  The Accounting Arbitrator's review shall be limited

to the purpose of determining whether, in respect of each

disputed adjustment, the Buyer's Proposal or the Sellers'

Proposal is more nearly in accordance with the terms of this

Agreement.  The Parties shall have the right to submit written

materials to the Accounting Arbitrator in accordance with

procedures to be set forth in the engagement letter between the

Parties and the Accounting Arbitrator.  In arriving at its

determination, the Accounting Arbitrator must select for each

adjustment either the Buyer's Proposal or the Sellers' Proposal

with respect to each disputed adjustment.  The decision by the

Accounting Arbitrator shall be in writing and delivered to both

Buyer and Sellers.  The Parties agree that the Accounting

Arbitrator is the exclusive person to make all interpretations

necessary (including interpretations or constructions of this

Agreement) to support its determinations.  The Accounting

Arbitrator's decision shall be conclusive and binding upon the

Parties and may be entered and enforced in any court of competent

jurisdiction.  The Parties agree to submit to the jurisdiction of

any such court for the enforcement of such award or decision.

Buyer on one hand and Sellers on the other hand shall each pay

50% of the fees and expenses of the Accounting Arbitrator.

               2.3.6     Final Amount.  Sellers' statement of

Adjusted Consolidated Valuation delivered pursuant to Section

2.3.1 will be modified by any adjustments proposed by Buyer to

which Sellers did not object in Sellers' Letter, any other

adjustments agreed by the Parties pursuant to Section 2.3.4 and

by the determination of the Accounting Arbitrator pursuant to

Section 2.3.5 and will become the final determination of the

Adjusted Consolidated Valuation.

          2.4  Settlement of the Adjusted Purchase Price.

Settlement of the Adjusted Purchase Price ("Settlement") shall

occur within five (5) business days after the determination of

the Adjusted Consolidated Valuation becomes final, whether by

expiration of the time period within which Buyer may object,

agreement of the Parties or issuance of a determination by the

Accounting Arbitrator.  On Settlement, the difference between the

Preliminary Purchase Price and the Adjusted Purchase Price, plus

accrued interest on such difference from the Closing Date to (but

not including) the date of payment at a rate per annum (on the

basis of a 365-day year) equal to the sum of the Federal Funds

rate, being the offered rate therefor in the "Money Rates" table

of The Wall Street Journal, published on the Closing Date plus 50

basis points , shall be paid by the appropriate Party to the

other Party.  Such payment shall be by wire transfer of

immediately available funds to an account specified by the

receiving Party.

          2.5  Section 338(h)(10) and Allocation.

               (a)  Sellers and Buyer shall timely file a joint

election pursuant to Section 338(h)(10) (a "Section 338(h)(10)

Election") of the Internal Revenue Code of 1986, as amended (the

"Code") (and any comparable election under state, local, or

foreign law) with respect to the sale of the B-Line Stock and the

Manufacturing Stock (together, the "Shares" ) and shall timely

file such forms and take such other actions as are necessary to

effectuate such election in accordance with said Section

338(h)(10).

               (b)  Prior to Closing, SIAL and Buyer shall

negotiate in good faith an allocation of the Preliminary Purchase

Price among the assets of the B-Line Business in accordance with

Sections 1060 and 338 of the Code.  Within 30 days following the

Settlement, SIAL and Buyer shall negotiate in good faith an

allocation of any difference resulting from the Adjusted Purchase

Price among the assets of the B-Line Business in accordance with

Sections 1060 and 338 of the Code.  If SIAL and Buyer are not

able to agree, the allocated amounts shall be determined in

accordance with the provisions set out in Section 9.3.  The

Parties will prepare and file their respective tax returns and

all other required filings based on such allocation and shall

take no positions contrary thereto.

              ARTICLE THREE:  CONDITIONS TO CLOSING

          3.1  Conditions Precedent to Obligations of Sellers.

The obligations of Sellers to consummate the transactions

contemplated by this Agreement shall be subject to the

satisfaction at or prior to Closing of each of the following

conditions (any one or more of which may be waived in whole or in

part by Sellers):

               3.1.1     Representations and Warranties of Buyer.

The representations and warranties made by Buyer hereunder shall

be true and correct in all material respects at the date hereof

and, except for changes expressly contemplated by this Agreement,

at Closing as though such representations and warranties had been

made at Closing.

               3.1.2     Representations and Warranties of

Sellers.  The representations and warranties made by Sellers

hereunder shall be true and correct in all material respects at

Closing, provided that this condition 3.1.2 shall not apply to

any breach of such representations and warranties which results

from either (a) changes expressly contemplated by this Agreement

or (b) any breach by Sellers of their covenants and obligations

hereunder.

               3.1.3     Delivery of Closing Documents.  Buyer

shall have delivered to or caused to be delivered to Sellers the

documents which Buyer is required to deliver to Sellers at

Closing pursuant to this Agreement in form and substance

reasonably satisfactory to Sellers.

               3.1.4     Performance of Agreement.  Buyer shall

have duly performed in all material respects all agreements and

covenants required to be performed by Buyer at or prior to

Closing pursuant to this Agreement.

               3.1.4     Purchase Price.  There shall have been

delivered to SIAL by Buyer payment of the Preliminary Purchase

Price as provided in Section 4.3(a).

               3.1.5     No Governmental Orders, etc.  No

statute, rule, regulation or order of any court or Authority (as

hereinafter defined) shall have been entered into after the date

hereof which restrains or prohibits or would cause the rescission

after Closing of the transactions contemplated hereby or which

would limit or adversely affect the ability of Sellers to sell

the B-Line Business, and no suit, action, proceeding or

investigation by any Authority or any other party shall be

pending which seeks a material amount of damages against Sellers

or an affiliate of Sellers by reason of the consummation of the

transactions contemplated by this Agreement and the Ancillary

Agreements.

               3.1.6     Licenses and Permits.  All governmental

licenses and permits, the granting of which is necessary for the

consummation of the transactions contemplated hereby shall have

been obtained.

               3.1.7       Hart-Scott-Rodino.   All  filing   and

waiting period requirements of the HSR Act (as defined below) and

any   other  applicable  law  relating  to  consummation  of  the

transactions  provided for herein shall have been  duly  complied

with.

          3.2  Conditions Precedent to Obligations of Buyer.  The

obligations  of Buyer to consummate the transactions contemplated

by  this  Agreement  shall be subject to the satisfaction  at  or

prior to Closing of each of the following conditions (any one  or

more of which may be waived in whole or in part by Buyer):

               3.2.1     Sellers' Representations and Warranties.

The representations and warranties made by Sellers hereunder

shall be true and correct in all material respects at the date

hereof and at Closing as though such representations and

warranties had been made at both the date hereof and the Closing

Date, except for changes (a) expressly contemplated by or

permitted under this Agreement (including without limitation as

permitted by the terms of or consented to or approved by Buyer

pursuant to Section 6.1.1), or (b) as may result from or arise

out of the unreasonable failure or refusal of Buyer to consent to

or approve an action proposed by Sellers pursuant to

Section 6.1.1.

               3.2.2     Delivery of Closing Documents.  Sellers

shall have delivered or caused to be delivered to Buyer the

documents which Sellers are required to deliver to Buyer at

Closing pursuant to this Agreement in form and substance

reasonably satisfactory to Buyer.

               3.2.3     Performance of Agreement.  Sellers shall

have duly performed or caused to be performed in all material

respects all agreements and covenants required to be performed by

Sellers at or prior to Closing pursuant to this Agreement.

               3.2.4     No Governmental Orders, etc.  No

statute, rule, regulation or order of any court or Authority

shall have been entered into after the date hereof which

restrains or prohibits or would cause the rescission after

Closing of the transactions contemplated hereby or which would

limit or adversely affect the ability of Buyer to acquire the B-

Line Business, and no suit, action, proceeding or investigation

by any Authority or any other party shall be pending which seeks

a material amount of damages against Buyer or an affiliate of

Buyer by reason of the consummation of the transactions

contemplated by this Agreement and the Ancillary Agreements.

               3.2.5     Permits.  All Permits (as defined below)

necessary for the consummation of the transactions contemplated

hereby, or for preventing the termination of any right, privilege

or license relating to the B-Line Business which is material to

it, upon the consummation of the transactions contemplated

hereby, shall have been obtained prior to, and maintained

through, Closing, and are transferable to Buyer.

               3.2.6     Hart-Scott-Rodino.  All filing and

waiting period requirements of the HSR Act and any other

applicable Law (defined below) or Authority (defined below)

relating to consummation of the transactions provided for herein

shall have been duly complied with.

               3.2.7     Third-Party Consents.  All notices to

and consents, authorizations and approvals by third parties

specified in Section 6.1.3 shall have been procured by Sellers.

               3.2.8     Leased Properties.  Assignments to Buyer

in form and substance reasonably satisfactory to Buyer shall have

been procured by Sellers, along with any required consents

thereto, from the respective lessors of the real properties

identified in Schedule 3.2.8.

                     ARTICLE FOUR:  CLOSING

          4.1  The Closing.  The consummation of the sale and

purchase of the Assets as contemplated by this Agreement

("Closing") shall take place at the offices of Bryan Cave LLP, in

St. Louis, Missouri, on May 1, 2000, at 9:00 A.M. (Central time),

or, if any of the conditions to Closing are not satisfied or

waived as of that date and time, on the first business day of the

month following the month in which all such conditions are

satisfied or waived at 9:00 A.M., unless a different date or time

for Closing is agreed upon by the Parties (the date of Closing

ultimately determined in accordance with this paragraph is

referred to herein as the "Closing Date").  The effective time of

the Closing (the "Effective Time") is midnight of the day

immediately preceding the Closing Date.

          4.2  Sellers' Obligations at Closing .  At Closing,

Sellers shall deliver to Buyer the following:

               (a)  Certificates of each of the Sellers dated the

Closing Date and signed by a duly authorized officer of such

Seller which evidence the due authorization, execution and

delivery of this Agreement and the Ancillary Agreements (as

hereinafter defined) by Sellers and certifying without

qualification that the conditions set forth in Section 3.2.1 and

3.2.3 have been fulfilled in all material respects.

               (b)  A general assignment and assumption of

liabilities, in substantially the form attached hereto as

Exhibit A, duly executed by SAC, Sigma Canada, Sigma UK and Sigma

Germany ("General Assignment and Assumption").

               (c)  Bills of sale, in substantially the forms

attached hereto as Exhibit B, duly executed by, respectively,

SAC, Sigma Canada, Sigma UK and Sigma Germany (collectively, the

"Bill of Sale"), general warranty deeds for the Owned Properties

(as defined in Section 5.2.9 ) owned by SAC subject to the

exceptions to title provided for in Section 5.2.9 and Schedule

5.2.9 and such other instruments of sale, transfer, conveyance

and assignment as Buyer may reasonably request.

               (d)  A receipt for the Preliminary Purchase Price.

               (e)  Certificates evidencing all of the issued and

outstanding Shares, accompanied by duly executed stock powers in

favor of Buyer.

               (f)  The resignations of the directors and

officers of B-Line and B-Line Manufacturing who are employees of

SIAL or SAC effective as of Closing.

               (g)  A transition services agreement providing for

services, at Sellers' cost (including an overhead allocation), in

substantially the form attached hereto as Exhibit C ("Transition

Services Agreement").

               (h)  Certificates of good standing for B-Line and

B-Line Manufacturing issued by the Secretary of State of each of

their respective states of incorporation and dated not more than

ten (10) business days before the Closing Date.

               (i)  The stock books, stock ledgers, minute books

and corporate seals for B-Line and B-Line Manufacturing.

          4.3  Buyer's Obligations at Closing.  At the Closing,

Buyer shall deliver or cause to be delivered to Sellers the

following:

               (a)  The Preliminary Purchase Price by bank wire

transfer in federal or other immediately available U.S. dollar

funds to the account(s) specified on Schedule 4.3 hereto.

               (b)  A Certificate of Buyer dated the Closing Date

signed by a duly authorized officer of Buyer which evidences due

authorization, execution and delivery of this Agreement and the

Ancillary Agreements by Buyer and certifies without qualification

that the conditions set forth in Sections 3.1.1 and 3.1.3 have

been fulfilled in all material respects.

               (c)  A General Assignment and Assumption, in

substantially the form attached hereto as Exhibit A, duly

executed by Buyer.

               (d)  A Transition Services Agreement, in

substantially the form attached hereto as Exhibit C.



          ARTICLE FIVE:  REPRESENTATIONS AND WARRANTIES

          5.1  Materiality and Sellers' Knowledge.  References to

Sellers', Seller's, SIAL's, SAC's, Sigma Canada's, Sigma UK's or

Sigma Germany's "knowledge" in this Agreement are to the actual

knowledge of persons identified on Schedule 5.1 hereto.

References to "material", "materiality" or "material adverse

effect" in this Agreement with respect to the B-Line Business are

to the B-Line Business as a whole.

          5.2  Representations and Warranties by Sellers.  The

following representations and warranties are made jointly and

severally by the Sellers solely with respect to the B-Line

Business and are correct and complete as of the date hereof and

will be correct and complete as of the Closing Date (as though

made then and as though the Closing Date were substituted for the

date of this Agreement throughout this Section 5.2, but except

for (a) changes expressly contemplated by or permitted under this

agreement (including without limitation as permitted by the terms

of or consented to or approved by Buyer pursuant to Section 6.1.1

and (b) as may result from or arise out of the unreasonable

failure or refusal of Buyer to consent to or approve an action

proposed by Sellers pursuant to Section 6.6.1), except as set

forth in the attached schedules referenced in this Section 5.2

(and its subsections):

               5.2.1     Corporate Authority, Non-contravention

and Ownership.

               (a)  SIAL is a corporation duly organized, validly

existing and in good standing under the laws of Delaware.  SAC is

a corporation duly organized, validly existing and in good

standing under the laws of Illinois.  B-Line is a corporation

duly organized, validly existing and in good standing under the

laws of Illinois, and is duly qualified and in good standing in

each jurisdiction in which the property owned, leased or operated

by it or the nature of the business conducted by it makes such

qualification necessary, except where the failure to be so

qualified would not have a material adverse effect.   B-Line

Manufacturing is a corporation duly organized, validly existing

and in good standing under the laws of Delaware, and is duly

qualified and in good standing in each jurisdiction in which the

property owned, leased or operated by it or the nature of the

business conducted by it makes such qualification necessary,

except where the failure to be so qualified would not have a

material adverse effect.  Sigma Canada is a corporation duly

organized, validly existing and in good standing under the laws

of Canada. Sigma UK is a corporation duly organized, validly

existing and in good standing under the laws of the United

Kingdom.  Sigma Germany is a corporation duly organized, validly

existing and in good standing under the laws of Germany.

               (b)  SAC (with respect to the portion of the B-

Line Business owned by SAC), Sigma Canada (with respect to the

portion of the B-Line Business owned by Sigma Canada), Sigma UK

(with respect to the portion of the B-Line Business owned by

Sigma UK), Sigma Germany (with respect to the portion of the B-

Line Business owned by Sigma Germany), B-Line and B-Line

Manufacturing (together with their respective subsidiaries, if

any, but excluding any such subsidiaries listed in Section 1.3,

the "Operating Companies") have full corporate power and

authority to own, lease and operate their properties and to

conduct the operations of the B-Line Business as it is currently

conducted.

               (c)  Each of Sellers have full corporate power and

authority to execute, deliver and perform this Agreement and, as

applicable, the Bill of Sale and the General Assignment and

Assumption (the latter two documents being referred to

collectively as, the "Ancillary Agreements") and to consummate

the transactions contemplated hereby and thereby.  The execution,

delivery and performance of this Agreement and the Ancillary

Agreements have been duly authorized by all necessary corporate

action on the part of Sellers, as applicable, and no further

approval of the board of directors or stockholders of any Seller

is necessary for the execution hereof or thereof or consummation

of the transactions contemplated hereby or thereby.

               (d)  This Agreement and the Ancillary Agreements

have been duly executed and delivered by Sellers, as applicable,

and constitute valid, legally binding, and enforceable

obligations of Sellers, as applicable, subject, in the case of

enforceability, to applicable bankruptcy, insolvency and similar

laws affecting creditors' rights generally and to principles of

equity regarding the availability of equitable remedies.

               (e)  The execution and delivery of this Agreement

and, as applicable,  the Ancillary Agreements by Sellers, as

applicable, and consummation by Sellers of the transactions

contemplated hereby and thereby: do not (i) violate or conflict

with any provision of the Articles or Certificate of

Incorporation or Bylaws (or their equivalents for Sellers

incorporated outside the United States) of Sellers, as

applicable, (ii) result in a material breach of, constitute a

default under, give rise to any right of termination,

modification or acceleration of, or require any notice under, any

contract, lease, license, Permits or other agreement to which any

Seller (as applicable) is a party or to which any of the Assets

is subject (or result in imposition of a Lien (as hereinafter

defined) thereon), or (iii) violate in any material respect any

Law to which any of Sellers, as applicable, is a party or by

which any of the property included in the B-Line Business is

bound or subject.

               5.2.2     Capital Stock.

               (a)  SIAL is the record and beneficial owner of

the B-Line Stock.  SAC is the record and beneficial owner of the

Manufacturing Stock.  Sellers will deliver or cause to be

delivered to the Buyer at Closing good and marketable title to

the Shares, free and clear of all Liens.

               (b)  The authorized capital stock of B-Line

consists solely of 30,000 shares of common stock, $1 par value,

of which the 500 shares of B-Line Stock are the only shares

issued and outstanding.  The B-Line Stock is duly authorized and

validly issued and is fully paid and non-assessable.  Except for

Buyer's rights hereunder, (i) there are outstanding no other

securities of B-Line and no rights or options to acquire

securities of B-Line, and (ii) neither Sellers nor B-Line is

subject to any obligation to issue, deliver, redeem, or otherwise

acquire or retire or sell the B-Line Stock or any other

securities of B-Line.

               (c)  The authorized capital stock of B-Line

Manufacturing consists solely of 30,000 shares of common stock,

$1 par value, of which the 500 shares of Manufacturing Stock are

the only shares issued and outstanding.  The Manufacturing Stock

is duly authorized and validly issued and is fully paid and non-

assessable.  Except for Buyer's rights hereunder, (i) there are

outstanding no other securities of B-Line Manufacturing and no

rights or options to acquire securities of the B-Line

Manufacturing, and (ii) neither Sellers nor B-Line Manufacturing

is subject to any obligation to issue, deliver, redeem, or

otherwise acquire or retire or sell the Manufacturing Stock or

any other securities of B-Line Manufacturing.

               (d)  B-Line and B-Line Manufacturing have no

subsidiaries and they do not own (directly or indirectly) any

capital stock or other equity securities of any corporation or

any direct or indirect equity interest in any business, trust or

joint venture, except as set forth on Schedule 5.2.2(d).

               5.2.3     Financial Data.  Attached hereto as

Schedule 5.2.3(a) is a Combined Balance Sheet for the B-Line

Business as of February 29, 2000 and Combined Statements of

Operations for the B-Line Business for the two month period ended

February 29, 2000 ("Unaudited Financial Statements").  Also

attached hereto as Schedule 5.2.3(b) are a Combined Balance Sheet

of the B-Line Business as of December 31, 1999, 1998 and 1997,

Combined Statements of Operations for the B-Line Business for the

years ended December 31, 1999, 1998 and 1997, Combined Statements

of Parent Company Investment for the years ended December 31,

1999, 1998 and 1997, and Combined Statements of Cash Flows for

the years ended December 31, 1999, 1998 and 1997 (the "Audited

Financial Statements" and together with the Unaudited Financial

Statements, the "Financial Statements").  The opinion of Arthur

Anderson LLP with respect to the Audited Financial Statements is

also included in Schedule 5.2.3(b).  The Financial Statements

have been derived from Sellers' and the Operating Companies'

accounting records, have been prepared in accordance with United

States generally accepted accounting principles ("GAAP" )

consistently applied to the B-Line Business, and fairly present

the financial position and results of operations of the B-Line

Business as of the respective dates thereof or period covered

thereby (subject, in the case of the Unaudited Financial

Statements, to year-end adjustments and the lack of footnotes).

               5.2.4     Absence of Certain Changes.  Other than

as disclosed on Schedule 5.2.4, to Sellers' knowledge, since

December 31, 1999, there has been no material adverse change in

the Assets or Assumed Liabilities or the B-Line Business, its

financial condition, operations or results of operations, except

as may result from economic developments generally.  Without

limiting the generality of the foregoing, Sellers further

represent and warrant that, except as specifically set forth in

lettered subsections of Schedule 5.2.4 corresponding to the

lettered subsections below, since December 31, 1999:

               (a)  none of the Operating Companies has sold, leased,

transferred or assigned any of its material assets, tangible or

intangible, other than in the ordinary course of business;

               (b)  none of the Operating Companies has entered into any

agreement, contract, lease or license (or series of related

agreements, contracts, leases and licenses) either (i) involving

more than $50,000 or (ii) outside the ordinary course of business

and which is material;

               (c)  no party (including any of the Operating Companies) has
accelerated, terminated, modified or canceled any agreement,

contract, lease or license (or series of related agreements,

contracts, leases and licenses) involving more than $50,000 to

which any of the Operating Companies is a party or by which any

of them is bound;

               (d)  none of the Operating Companies has imposed any Lien

upon any of its assets, tangible or intangible, other than in the

ordinary course of business;

               (e)  none of the Operating Companies has made any capital

expenditure (or series of related capital expenditures) either

involving more than $200,000 or outside the ordinary course of

business;

               (f)  none of the Operating Companies has made any capital

investment in, any loan to, or any acquisition of the securities

or assets (other than purchases of raw materials, components and

supplies in the ordinary course of business) of, any other person

or entity (or series of related capital investments, loans and

acquisitions) either (i) involving more than $50,000 or (ii)

outside the ordinary course of business and which is material;

               (g)  none of the Operating Companies has issued any note,

bond or other debt security or created, incurred, assumed or guaranteed

any indebtedness for borrowed money or capitalized lease

obligation either involving more than $25,000 singly or $50,000

in the aggregate;

               (h)  none of the Operating Companies has intentionally

delayed or postponed the payment of accounts payable and other liabilities

or obligations outside the ordinary course of business;

               (i)  none of the Operating Companies has canceled,

compromised, waived or released any right or claim (or series of related

rights and claims) either (i) involving more than $50,000 or (ii)

outside the ordinary course of business and which is material;

               (j)  none of the Operating Companies has granted any

license or sublicense of any rights under or with respect to any Intangibles

(hereinafter defined) other than in the ordinary course of

business;

               (k)  there has been no change made or authorized in the

articles of incorporation or bylaws of either B-Line or B-Line Manufacturing;

               (l)  neither B-Line nor B-Line Manufacturing has issued, sold,

or otherwise disposed of, any of its capital stock, or granted any

options, warrants or other rights to purchase or obtain

(including upon conversion, exchange, or exercise) any of its

capital stock;

               (m)  neither B-Line nor B-Line Manufacturing has declared, set

aside or paid any dividend or made any distribution with respect

to its capital stock in kind or redeemed, purchased or otherwise

acquired any of its capital stock;

               (n)  none of the Operating Companies has experienced any

material damage, destruction or loss (whether or not covered by insurance)

to its property;

               (o)  none of the Operating Companies has made any loan to, or

entered into any other transaction with, any of its directors,

officers, and employees outside the ordinary course of business;

               (p)  none of the Operating Companies has entered into any

employment contract or collective bargaining agreement, written

or oral, or except as allowed by any other clause of this Section

5.2.4 modified the terms of any existing such contract or

agreement;

               (q)  none of the Operating Companies has granted any increase

in the base or other compensation of any of its directors, officers

and employees outside the ordinary course of business;

               (r)  none of the Operating Companies has adopted, amended,

modified or terminated any bonus, profit-sharing, incentive,

severance, or other plan, contract or commitment for the benefit

of any of its directors, officers and employees (or taken any

such action with respect to any other employee benefit plan);

               (s)  none of the Operating Companies has made any other change

in employment terms for any of its directors, officers and employees

outside the ordinary course of business;

               (t)  there has not been any other material occurrence, event,

incident, action, failure to act, or transaction outside the

ordinary course of business involving any of the Operating

Companies except as may result from economic developments

generally; and

               (u)  none of Sellers has committed to any of the foregoing.

     For purposes of each of clauses (a), (b), (f) and (i) of

this Section 5.2.4, the term "material" shall mean not in excess

of $50,000 in the aggregate.

               5.2.5     Compliance with Law and Permits.  Except

as set forth on Schedule 5.2.5, to Sellers' knowledge, the B-Line

Business has been operated in compliance in all material respects

with all applicable constitutions, statutes, laws, judgments,

orders, decrees, ordinances, rules, regulations, arbitration

awards, directives, and agreements (collectively, "Laws") that

are imposed or issued or enforced by, or entered into with, any

foreign, United States, supranational (including the European

Union), national, federal, state, provincial, county or local,

judicial, regulatory or governmental authority, association,

corporation, agency, bureau, body, instrumentality or commission

or subdivision of any thereof exercising any regulatory,

supervisory, taxing, importing, exporting or other governmental

function (any and all an "Authority") and with all permits,

licenses, authorizations, approvals or consents that are granted

or approved by any Authority ("Permits").  The Operating

Companies have all material Permits necessary to operate the B-

Line Business. No proceeding is pending against any Seller, or to

Sellers' knowledge threatened, to modify, suspend, revoke or

otherwise limit any of such Permits and to Sellers' knowledge no

administrative or governmental actions have been taken or

threatened in connection with the expiration or renewal of such

Permits or alleging any material failure to comply with Laws in

connection with the B-Line Business or the Assets.

               5.2.6     Litigation, Product Claims and Related

Matters.  (a) Except as set forth on Schedule 5.2.6(a), there are

no asserted claims, actions, suits or legal proceedings pending

or, to Sellers' knowledge, threatened, and to Sellers' knowledge

there are no investigations pending or threatened, against

Sellers or the Operating Companies which involves more than

$100,000 or which will adversely affect the ability of Sellers to

consummate the transactions contemplated by this Agreement, nor

are Sellers or the Operating Companies subject to any outstanding

order, rule, decree or judgment of any court or governmental

agency of competent jurisdiction, which will adversely affect the

B-Line Business or the Assets.

               (b)  To Sellers' knowledge, each product

manufactured, sold, leased or delivered by any of the Operating

Companies has been in conformity in all material respects with

all applicable contractual commitments and all express and

implied warranties, and none of the Operating Companies has any

material liability or obligation (and to Sellers' knowledge there

is no valid basis for any present or future Claim or Third Party

Action (defined below) against any of them giving rise to any

such liability or obligation) for replacement or repair thereof

or other damages in connection therewith, in excess of the

reserve for product warranty or liability claims reflected in the

most recent balance sheet (rather than in any notes thereto) in

the Audited Financial Statements as adjusted through the

Effective Time in accordance with the past custom and practice of

the Operating Companies.  No product manufactured, sold, leased

or delivered by any of the Operating Companies is subject to any

guaranty, warranty or other indemnity which differs materially

from the applicable standard terms and conditions of sale or

lease. Schedule 5.2.6(b) includes copies of the standard terms

and conditions of sale or lease for each of the Operating

Companies (containing applicable guaranty, warranty and indemnity

provisions).

               (c)  None of the Operating Companies has any

material liability or obligation, including Environmental

Liabilities (defined below), (and to Sellers' knowledge there is

no valid basis for any present or future Claim or Third Party

Action against any of them giving rise to any such liability or

obligation, including Environmental Liabilities) arising out of

any injury to individuals or property as a result of the

ownership, possession or use of any product manufactured, sold,

leased or delivered by any of the Operating Companies in excess

of any reserve therefor reflected in the most recent balance

sheet (rather than in the notes thereto) in the Audited Financial

Statements through the Effective Time in accordance with past

custom and practice of the Operating Companies.  The term

"Environmental Liabilities" means any liability or obligation

relating exclusively to the B-Line Business (a) arising under any

Environmental Law (defined below), or (b) involving any Release

of or exposure to any Hazardous Substance (defined below)

including liability for damage or harm to the Environment

(defined below) or to a person as a result of such exposure,

whether such liability or obligation is to one or more private

parties or any Authority, in either case (whether under (a) or

(b) above) including any related fees and expenses of attorneys

and experts, and whether arising out of or related to on-site or

off-site matters.

               5.2.7     Title to Personal Property - Owned.

Except (a) as set forth on Schedule 5.2.7, (b) for Liens (as

defined below) reflected in the Preliminary Consolidated

Valuation, and (c) for Permitted Liens (as defined below) each of

the Operating Companies has good and marketable title to the

material personal property owned by each of them respectively and

used solely in relation to the B-Line Business, free and clear of

all mortgages, liens, claims, encumbrances, security interests,

charges, pledges, preferential purchase rights, options, warrants

or other restrictions or adverse claims of whatever nature

(collectively, "Liens"), and, good and marketable title to such

personal property (other than that owned by B-Line and B-Line

Manufacturing), free and clear of all Liens, except as provided

above, shall pass to Buyer at Closing.

               5.2.8     Personal Property - Leased.  All leases

of any material personal property used solely in the B-Line

Business of which any of the Operating Companies is a lessee are

in full force and effect, all rental payments due under such

leases have been paid and there exist no material defaults by any

of the Operating Companies under the terms of such leases, and,

except as set forth on Schedule 5.2.8, the consummation of the

transactions contemplated by this Agreement will not create any

such default with respect to such leases or result in the lessor

having the right to terminate or alter the operative provisions

of any such leases.

               5.2.9     Real Property - Owned.  Set forth on

Schedule 5.2.9 is all the real property owned by SAC or B-Line.

Other than as set forth on Schedule 5.2.9, the Operating

Companies do not own any real property or any right or obligation

to acquire any interest in any parcel of real property in

connection with the B-Line Business.  Except (a) as set forth on

Schedule 5.2.9, (b) for Liens reflected in the Preliminary

Consolidated Valuation, and (c) for Permitted Liens (as defined

below), SAC or B-Line  has good and marketable title to the real

property set forth on Schedule 5.2.9 (the "Owned Properties" ),

free and clear of all Liens; and good and marketable title to the

scheduled real property owned by SAC, free and clear of all

Liens, except as provided above, shall pass to Buyer at Closing.

The term "Permitted Liens" shall mean (a) liens for current taxes

or assessments due but not yet payable, (b) servitudes,

easements, restrictions, rights-of-way, encroachments and other

similar rights in real property or any interest therein that have

been filed as part of an official or public record, provided the

same are not of such nature as to materially interfere with the

use or occupancy, or materially impair the value, or

marketability of title, of the property subject thereto and (c)

liens that constitute mechanic's, carrier's, workers' or similar

liens arising in the ordinary course of business in connection

with obligations that are not yet overdue or delinquent.  Sellers

further represent and warrant concerning the Owned Properties

that:

                    (i) there are no parties other than the

record owner or an affiliate thereof in possession of any of the

Owned Properties;

                    (ii) there are no pending, or to Sellers'

knowledge threatened, condemnation, eminent domain or similar

proceedings relating thereto;

                    (iii) Sellers have made available to Buyer a

legal description for each such parcel that describes such parcel

adequately;

                    (iv) to Sellers' knowledge, all buildings and

improvements are located within the boundary lines of the

described parcels of land and the Owned Properties and buildings

and improvements thereon are not in violation in any material

respect of any Laws, including any building code requirements and

Environmental Laws;

                    (v) to the extent required for their current

use, each property abuts on and has direct vehicular access to a

public road, or has access to a public road via a permanent,

irrevocable, appurtenant easement benefiting the parcel,

maintained at public expense;

                    (vi) to the extent required for their current

use, all the properties are served by drainage, water,

electricity and gas services, all of which are connected to

public mains, and to Sellers' knowledge there is no imminent or

likely interruption of such utility service;

                    (vii) there are no outstanding disputes,

notices or complaints which materially adversely affect or to

Sellers' knowledge are likely to materially adversely affect the

use of the Owned Properties for the purposes for which they are

now used; and

                    (viii) to Sellers' knowledge there are no

material structural or other defects in or affecting the

buildings and structures on the Owned Properties.

                    The foregoing are intended to constitute

"covenants of warranty" as such terms are used in existing title

insurance policies on the Owned Properties.

               5.2.10    Real Property - Leased.  Set forth on

Schedule 5.2.10 is a list of each lease, identifying the property

which is subject thereto, under which each of the Operating

Companies is the lessee of any real property used exclusively in

the B-Line Business.  The Sellers have made available to the

Buyer a true, correct and complete copy of each lease identified

on Schedule 5.2.10.  The premises or property described in said

leases are presently occupied or used by an Operating Company as

lessee in conformity in all material respects with applicable Law

and the terms of such leases.  Except as set forth on Schedule

5.2.10, all rental  payments due under the leases set forth on

Schedule 5.2.10 have been paid and there exists no material

default under their respective leases and, to the Sellers'

knowledge, no event has occurred which with notice or lapse of

time would constitute a material breach or default, or permit

termination, modification or acceleration, thereunder.  Except as

set forth on Schedule 5.2.10 and for Permitted Liens, each

respective Operating Company has all right, title and interest of

the lessee under the terms of said leases, free of all Liens and

all such leases are and will continue to be valid and in full

force and effect through the Closing Date and in full force and

effect on identical terms following the consummation of the

transactions contemplated herein. The Operating Companies have

not at any time assigned or otherwise disposed of any leasehold

interest which has a continuing liability (contingent or

otherwise) for payment of rent and/or for any other material

liability. None of the Operating Companies is a guarantor of or

surety for any obligations under any lease or under any agreement

relating to the assignment of any lease. Together with the Owned

Properties, the leased properties on Schedule 5.2.10 comprise all

the properties and premises owned, leased or used in the B-Line

Business.

               5.2.11    Patents, Trademarks and Other

Intellectual Property.  (a) Schedule 5.2.11(a) lists all patented

or registered Intangibles (defined below), all written licenses

and other agreements relating thereto and all written agreements,

licensing or otherwise, authorizing others to use material

technology, know-how or processes used in or belonging to the B-

Line Business (collectively, the "Scheduled Intangibles").  The

"Intangibles", including the Scheduled Intangibles, comprise all

intellectual property used or held in the B-Line Business as

presently conducted other than intellectual property licensed in

the ordinary course of business pursuant to standard form

commercial license agreements (such as non-custom software).

"Intangibles" means (i) all inventions, improvements, designs,

patents, patent applications, patent disclosures, and all

extensions, reissues, continuations, revisions and reexaminations

thereof;  (ii) trade dress, logos, trade names and corporate

names, (including all internet and intranet name(s), addresses,

icon(s) and other designation(s) identifying the B-Line Business

on a computer network such as the world wide web but not

including any such designations of affiliates of the B-Line

Business), together with all translations, adaptations,

derivations and combinations thereof and including all goodwill

associated therewith, and all applications, registrations and

renewals in connection therewith;  (iii) all copyrightable works

and all copyright applications, registrations and renewals in

connection therewith; (iv) all trade secrets and confidential

business information (including ideas, research and development,

know-how, formulas, compositions, manufacturing and production

processes and techniques, technical data, designs, drawings and

specifications); and (v) all computer software, rights in

databases (including data and related documentation) all other

proprietary rights; and all copies and tangible embodiments

thereof (in whatever form or medium) but does not include items

licensed in the ordinary course of business pursuant to standard

form commercial license agreements (such as non-custom software).

               (b)  Except as set forth on Schedule 5.2.11(b),

the Operating Companies own or hold valid license rights to, all

material Intangibles free and clear of all Liens, licenses,

injunctions or judgments.

               (c)  Each material item of Intangibles will be

owned or available for use by the B-Line Business on identical

terms and conditions immediately subsequent to the Closing

hereunder.

               (d)  To Sellers' knowledge, none of the Operating

Companies has interfered with, infringed upon, misappropriated,

or otherwise come into conflict with, any rights of third parties

in or to the Intangibles in any material respect and none of the

Operating Companies has any plans to do so.  None of Sellers has

within three years prior to the Closing Date received any charge,

complaint, claim, demand or notice alleging any such

interference, infringement, misappropriation or violation

(including any Claim that any of the Operating Companies must

license or refrain from using any rights of any third party in or

to the Intangibles) in any material respect, that is unresolved.

               (e)  To the knowledge of Sellers, no third party

has interfered with, infringed upon, misappropriated or otherwise

come into conflict with any of the Operating Company's rights in

or to the Intangibles.

               (f)   With respect to each item of Scheduled

Intangibles that any third party owns and that any of the

Operating Companies uses pursuant to license, sublicense,

agreement or permission, Sellers made available to Buyer correct

and complete copies of all such licenses, sublicenses, agreements

and permissions (as amended to date) and such agreements (other

than those held by B-Line or B-Line Manufacturing) are fully

transferable to Buyer.

               (g)   With respect to each material item of

Intangibles that any third party owns and that any of the

Operating Companies uses pursuant to license, sublicense,

agreement or permission; (i) to Sellers' knowledge the license,

sublicense, agreement or permission covering the item is legal,

valid, binding, enforceable and in full force and effect; (ii)

none of the Operating Companies, and to Sellers' knowledge no

party to the license, sublicense, agreement or permission, is in

material breach or default, and to Sellers' knowledge no event

has occurred which with notice or lapse of time would constitute

a material breach or default or permit termination, modification,

or acceleration thereunder; and (iii) none of the Operating

Companies has granted any sublicense or similar right with

respect to the license, sublicense, agreement or permission.

               5.2.12    Taxes.  Except as set forth on

Schedule 5.2.12:

               (a)  all Income Taxes and all Other Taxes (as

defined below) of the Sellers with respect to the B-Line Business

not assumed by Buyer hereunder for all periods ending on or prior

to the Effective Time (whether or not shown on a Tax return or

other rendition of Taxes (defined below)) have been or will be

paid by Sellers and will not result in the imposition of any

further assessment or any Lien on any of the Assets which would

affect the value thereof or title thereto. Further, with respect

to Other Taxes relating to periods before the Effective Time for

which no return or payment will be due prior to the Effective

Time, adequate provision has been made in the most recent balance

sheet of the Financial Statements (and will be made in the

Adjusted Consolidated Valuation) for all liabilities arising

thereunder.

               (b)   B-Line and B-Line Manufacturing and the

other Operating Companies and their predecessors (i) have filed

or caused to be filed with the appropriate Authority all Income

Tax and Other Tax returns which have been required to be filed

prior to the date of this Agreement (taking into account any

extensions of the time for filing such Income and other Tax

returns) and (ii) have paid in full all Taxes due and payable,

except to the extent such liabilities are reflected in the

Preliminary or Adjusted Consolidated Valuation as current

liabilities, as applicable.  No unresolved claim has been made in

any jurisdiction where Tax returns related to the B-Line Business

are not filed that such Tax returns must be filed.  All Tax

returns filed or caused to be filed by B-Line and B-Line

Manufacturing and the other Operating Companies and their

predecessors are correct and complete in all material respects.

               (c)  The Operating Companies have complied with

all Laws relating to the withholding of Taxes with respect to the

B-Line Business and the payment thereof and have timely and

properly withheld from employees, independent contractors,

creditors, shareholders and third parties, and paid over to the

proper Authority(ies), all amounts required to be withheld and

paid over under applicable Law.

               (d)  Neither B-Line nor B-Line Manufacturing nor

the Operating Companies has waived any statute of limitations in

respect of Taxes or agreed to any extension of time with respect

to any Tax assessment or deficiency.

               (e)  For purposes of this Agreement, "Income

Taxes" shall mean all foreign and United States national,

federal, state, provincial and local taxes upon the income of the

Sellers or the Operating Companies in relation to the B-Line

Business, including any interest, penalties or additions to tax

that may become payable in respect thereof, arising before the

Effective Time.  Income Taxes shall not include payroll and

employee withholding taxes, value added, unemployment insurance,

social security, sales and use taxes, excise taxes, franchise

taxes, gross receipts taxes, occupation taxes, real and personal

property taxes, stamp taxes, transfer taxes, workers compensation

and all other foreign, United States federal, state, local or

other taxes of any nature whatsoever (including any interest,

penalties or additions to tax that may become payable in respect

thereof, collectively "Other Taxes").  "Tax"  and "Taxes" shall

mean both Income Taxes and Other Taxes.

               5.2.13    Contracts.  Schedules 5.2.4, 5.2.8,

5.2.10, 5.2.11, 5.2.13 and 7.3(b), set forth all contracts,

agreements, indentures, guarantees, notes, letters of credit and

loan or credit agreements to which any of the Operating Companies

in connection with the B-Line Business is a party or by which any

of the Assets are bound or subject and which:

               (a)  involve payments still to be made by or to

the Operating Companies in connection with the B-Line Business of

amounts which exceed $50,000 in any year;

               (b)  were entered into not in the ordinary course

of business and exceed $50,000 in the aggregate;

               (c)  concern a partnership, trust or joint

venture;

               (d)  concern confidentiality or noncompetition;

               (e)  provide for the creation, assumption or

guarantee of any indebtedness for borrowed money or any

capitalized lease obligation involving more than $50,000 or

imposition of a Lien other than a Permitted Lien) on any of the

Assets;

               (f)  are material intercompany agreements among

the Operating Companies, Sellers or their affiliates or any of

them;

               (g)  are profit sharing, stock option, stock

purchase, stock appreciation, deferred compensation, severance or

other plans or arrangements for the benefit of its current or

former directors, officers and employees (other than as covered

by Section 5.2.15).;

               (h)  are for the employment of any individual on a

full-time, part-time, consulting, or other basis providing annual

compensation in excess of $50,000 or providing severance

benefits;

               (i)  are related to any credit facility, letter of

credit, payment or performance bond, or other surety

relationship;

               (j)  are material to the B-Line Business and

require consent of the other party thereto in connection with the

transactions contemplated under this Agreement (collectively, the

"Scheduled Contracts").  All such Scheduled Contracts are in full

force and effect and are binding obligations of the Operating

Companies and, to Sellers' knowledge, of the other parties

thereto, and the Operating Companies, and, to Sellers' knowledge,

the other parties, have in all material respects performed all

obligations required to be performed by them and are not

materially in default thereunder.

               5.2.14    Labor Relations.  Except as set forth on

Schedule 5.2.14, (i) the Operating Companies are not a party to

any collective bargaining agreement pertaining to the B-Line

Business, and no collective bargaining agreement with respect to

any employees employed solely in connection with the B-Line

Business is currently being negotiated by the Operating

Companies; and (ii) there has been no work stoppage or any other

material labor difficulty during the ten years immediately

preceding the date of this Agreement in relation to the B-Line

Business.

               5.2.15    Compliance with ERISA.

               (a)  Schedule 5.2.15(a) sets forth each "employee

benefit plan" (as defined in Section 3(3) of the Employee

Retirement Income Security Act of 1974, as amended ("ERISA"))

which Sellers and the Operating Companies maintain or contribute

to with respect to employees employed in relation to the B-Line

Business (the "Plans").  Each Plan, to the extent applicable, is

identified on Schedule 5.2.15(a) as one or more of the following:

an "employee pension plan" (as defined in Section 3(2) of ERISA);

a plan subject to Title IV of ERISA, Section 302 of ERISA or

Section 412 of the Internal Revenue Code of 1986, as amended, and

applicable Treasury regulations thereunder; a "multiemployer

plan" (as defined in Section 4001(a)(3) of ERISA); and an

"employee welfare plan" (as defined in Section 3(2) of ERISA).

               (b)  Each Plan complies with the applicable

requirements of Law, and no claims or actions by the Internal

Revenue Service, the Pension Benefit Guaranty Corporation

("PBGC"), the Department of Labor, any participant or beneficiary

or any other person currently are pending, or to Sellers'

knowledge are threatened, with respect to any Plan, other than

claims for benefits in the ordinary course.

               (c)  There has been delivered to Buyer with

respect to each Plan correct and complete copies of:

                    (i)  the annual report, if required under

     ERISA;

                    (ii) the Summary Plan Description, together

     with each Summary of Material Modifications, required under

     ERISA, and, unless the Plan is embodied entirely in an

     insurance policy, a true and complete copy of the Plan; and

                    (iii)     if the Plan is funded through a

     trust or any third-party funding vehicle (other than an

     insurance policy or with respect to any multi-employer

     plan), the trust or other funding agreement and the latest

     financial statements thereof.

               5.2.16    Accounts Receivable.  The accounts

receivable of the B-Line Business reflected in the Preliminary

Consolidated Valuation arose in the ordinary course of business

and are reflected therein and in the Financial Statements in

accordance with GAAP  consistently applied to the B-Line

Business.  To the Sellers' knowledge, such accounts receivable

are valid receivables, current and collectible, and not subject

to any valid counterclaim, set-off, defense or Lien except to the

extent of any reserves in respect thereof reflected in the

Preliminary Consolidated Valuation.

               5.2.17    Inventory.  Except as set forth on

Schedule 5.2.17 or to the extent of any reserve reflected in the

Preliminary Consolidated Valuation, all physical inventories of

the B-Line Business held by the Operating Companies at any

location, consisting of raw materials, work in process, finished

goods and manufactured and purchased parts and supplies, (a) are

valued at lower of cost or market (first-in, first-out), and

(b) are merchantable in the ordinary course of business.

               5.2.18    Environmental Matters.  Except as set

forth on Schedule 5.2.18:

               (a)  B-Line and B-Line Manufacturing, and the

other Operating Companies in their operation of the B-Line

Business are and to Sellers' knowledge their respective

predecessors have been in compliance in all material respects

with all applicable Environmental Laws (as defined below), and

there have been no Releases (as defined below) of any material

amount of Hazardous Substances by the Operating Companies.

               (b)  The following terms shall have the following

meanings wherever used in this Agreement:

                    (i)  "Environment" means the environment,

air, land, water (wherever located and in whatever form), fauna,

flora and other natural resources and any building or structure.

                    (ii) "Environmental Laws" mean all applicable

foreign and United States national, federal, state, provincial,

municipal and local Laws relating to pollution or protection of

the Environment, including all Laws relating to the manufacture,

processing, distribution, generation, use, ownership, presence,

collection,  treatment, storage, disposal, transport or handling,

recovery, recycling, removal, Release or threatened Release of

any Hazardous Substances (as defined below), or regarding

exposure to, monitoring or assessment of, or remediation

(including operation and maintenance) of, any Hazardous

Substance, or record-keeping, notification or reporting

requirements respecting any Hazardous Substance, or the on-site

or off-site contamination or pollution of the Environment, or

air, soil or water quality, or air or water emissions, or public

or employee health and safety or community right-to-know,

including without limitation the following U.S. federal laws:

the National Environmental Policy Act, 42 U.S.C. Section 4321 et

seq.; the Solid Waste Disposal Act, as amended by the Resource

Conservation and Recovery Act and the Hazardous and Solid Waste

Amendments Act of 1984, 42 U.S.C. Section 6901 et seq.; the

Federal Water Pollution Control Act, as amended by the Clean

Water Act of 1977, 33 U.S.C. Section 1251 et seq.; the Safe

Drinking Water Act, 42 U.S.C. Section 300f  et seq.; the Clean

Air Act, as amended by the Clean Air Act Amendments of 1990, 42

U.S.C. Section 7401 et seq.; the Comprehensive Environmental

Response, Compensation and Liability Act of 1980, as amended by

the Superfund Amendments and Reauthorization Act of 1986, 42

U.S.C. Section 9601 et seq.; the Toxic Substances Control Act, 15

U.S.C. Section 2601 et seq.; the Federal Insecticide, Fungicide

and Rodenticide Act, 7 U.S.C. Section 136 et seq.; the Hazard

Communication Standard, 29 C.F.R. Section 1910.1200; the

Emergency Planning and Community Right-to-Know Act of 1986, 42

U.S.C. Section 11001 et seq.; the Hazardous Material

Transportation Act, 49 U.S.C. Section; 1801 et seq. and any

analogous foreign, state or local statutes and the regulations

promulgated pursuant thereto in each case, as such laws, statutes

and regulations are in effect on the date of this Agreement.

                    (iv) "Hazardous Substances" mean any element,

compound, chemical mixture, contaminant, pollutant material,

waste or other substance which is defined as hazardous or toxic

under, regulated by, any Environmental Law or the Release of

which is prohibited or restricted under any Environmental Law or

which is known to pose a threat to health, safety or the

environment, or is petroleum or any fraction thereof, asbestos,

asbestos-containing material ("ACM"), methylene chloride,

trichloroethylene, or 1,2-dichloroethylene, a radioactive

substance, polychlorinated biphenyl, dibenzofuran or dioxin.

                    (v) "Release" and "Released" mean the

accidental or intentional, knowing or unknowing, spilling,

leaking, discharging, pumping, pouring, emitting, leaching,

escaping, depositing, adding, placing, emptying, dumping,

releasing, burying, injecting, abandoning, migrating of any

Hazardous Substance into the Environment.

               (c)  To Sellers' knowledge, the Operating

Companies have or have applied for all Permits required under

Environmental Laws for the operation of the B-Line Business as

presently conducted (the "Environmental Permits") and there are

no material violations, and no pending, or to Sellers' knowledge

threatened, material investigations or proceedings with respect

to such Environmental Permits.

               5.2.19    Transactions with Affiliated Persons.

Except for employment arrangements disclosed on Schedule 5.2.13

or 5.2.15(a) and except as set forth on Schedule 5.2.19, to

Sellers' knowledge, no officer, director or employee of the

Operating Companies nor any relative of any such officer,

director or employee, is a party to or has an interest (including

to Sellers' knowledge material equity interests in third

parties), directly or indirectly, in any contract or commitment

to which the Operating Companies in connection with the B-Line

Business is a party or by which any of the Assets are or may be

bound or subject, or has any interest (including to Sellers'

knowledge material equity interests in third parties), directly

or indirectly, in any personal property, tangible or intangible,

owned by the Operating Companies and used in the B-Line Business.

               5.2.20    Stock Record and Minute Books.  The

stock record books and minute books of B-Line and B-Line

Manufacturing are true and correct.  Complete copies of the

articles or certificate of incorporation and bylaws and all

amendments thereto currently in effect of B-Line and B-Line

Manufacturing have been previously provided to Buyer.

               5.2.21    Sufficiency of Assets.  Except as set

forth on Schedule 5.2.21, the Assets constitute all of the assets

that are used in the operation of the B-Line Business in the same

manner as such business is conducted as of the date hereof.

               5.2.22    No Undisclosed Liabilities.  None of the

Operating Companies has any material liability or obligation, and

to Sellers' knowledge there is no valid basis for any present or

future Third Party Action against any of them giving rise to any

such material liability or obligation, except for (i) liabilities

or obligations reflected in the most recent balance sheet

(including in any notes thereto) in the Audited Financial

Statements, (ii) liabilities or obligations which have arisen

after December 31, 1999 in the ordinary course of business of the

B-Line Business (none of which results from, arises out of,

relates to, is in the nature of, or was caused by, any material

breach of contract, breach of warranty, tort, infringement or

violation of Law) and (iii) liabilities or obligations scheduled

pursuant to any of the provisions of Section 5.2 or which are not

required to be so scheduled because of any limitation or

threshold applicable thereto.

               5.2.23    No Broker.  Except for Goldman, Sachs &

Co. (whose fees shall be paid by Sellers), Sellers have not

retained a broker or finder in connection with the transactions

contemplated herein so as to give rise to any valid claim against

Buyer for a finder's fee, brokerage commission or similar

payment.

               5.2.24    Scope of Representation.  (a)

NOTWITHSTANDING ANYTHING CONTAINED IN THIS AGREEMENT, IT IS THE

EXPLICIT INTENT OF EACH PARTY HERETO THAT SELLERS ARE MAKING NO

REPRESENTATION OR WARRANTY WHATSOEVER, EXPRESS OR IMPLIED, BEYOND

THOSE EXPRESSLY GIVEN IN THIS AGREEMENT, INCLUDING ANY IMPLIED

WARRANTY OR REPRESENTATION AS TO CONDITION, MERCHANTABILITY,

FITNESS FOR A SPECIFIC PURPOSE OR SUITABILITY AS TO ANY OF THE

ASSETS AND IT IS UNDERSTOOD THAT, EXCEPT AS EXPRESSLY WARRANTED

IN THIS AGREEMENT (AND FOR THE AVOIDANCE OF DOUBT WITHOUT WAIVER

OR LIMITATION OF ANY REPRESENTATION OR WARRANTY EXPRESSLY SET

FORTH IN THIS AGREEMENT CONCERNING INVENTORY), BUYER TAKES THE

ASSETS AS IS AND WHERE IS.

               (b)  The inclusion of any item on any Schedule to

this Agreement shall not be construed as an indication that such

item is material in any respect or as establishing a standard or

indication of materiality.

               5.2.25    Insurance Policies.

               (a)  Schedule 5.2.25 ("Current B-Line Insurance")

includes all insurance policies with respect to the B-Line

Business or the Assets to which any of the Operating Companies is

as of the date hereof a party, a named insured or otherwise the

beneficiary of coverage.

               (b)  Schedule 5.2.25 sets forth with respect to

each insurance policy (including policies providing property,

casualty, liability and workers' compensation coverage and bond

and surety arrangements) (i) the name of the insurer, the name of

the policyholder, and the name of each covered insured, and (ii)

the policy number and the period of coverage.

          5.3  Representations and Warranties of Buyer.  Each

Buyer jointly and severally represents and warrants to Sellers as

follows, which representations and warranties are correct and

complete as of the date hereof, and will be correct and complete

as of the Closing Date (as though made then and as though the

Closing Date were substituted for the date of this Agreement

throughout this Section 5.3):

               5.3.1     Corporate Authority and Non-

Contravention.

               (a)  Each of Cooper, CBL and CTC is a corporation

duly organized, validly existing and in good standing under the

laws of the States of Ohio, Delaware and Delaware, respectively.

               (b)  Buyer has full corporate power and authority

to execute, deliver and perform this Agreement and the applicable

Ancillary Agreements and to consummate the transactions

contemplated hereby and thereby.  The execution, delivery and

performance of this Agreement and, as applicable, the Ancillary

Agreements have been duly authorized by all necessary corporate

action on the part of Buyer and no stockholder approval or

further approval of the board of directors of Buyer is necessary

for the execution hereof or thereof or the consummation of the

transactions contemplated hereby and thereby.

               (c)  This Agreement and, as applicable, the

Ancillary Agreements, have been duly executed and delivered by

Buyer and constitute valid, legally binding and enforceable

obligations of Buyer, subject, in the case of enforceability, to

applicable bankruptcy, insolvency and similar laws affecting

creditors' rights generally and to principles of equity regarding

the availability of equitable remedies.

               (d)  The execution and delivery of this Agreement

and, as applicable, the Ancillary Agreements, by Buyer and

consummation by Buyer of the transactions contemplated hereby and

thereby: do not (i) violate or conflict with any provision of the

Articles or Certificate of Incorporation or Bylaws of Buyer, (ii)

result in a breach of, constitute a default under, give rise to

any right of termination, modification or acceleration of, or

require any notice under, any material contract or agreement to

which Buyer is a party, or (iii) violate any material Law,

regulation, order, arbitration, award, judgment or decree to

which Buyer is a party or by which it is bound.

               5.3.2     Litigation Concerning Agreement.  There

are no actions, suits or proceedings pending or, to Buyer's

knowledge, threatened against Buyer which will affect Buyer's

ability to consummate the transactions contemplated by this

Agreement.

               5.3.3     No Broker.  Buyer has not retained a

broker or finder in connection with the transactions contemplated

herein or by the Ancillary Agreements so as to give rise to any

valid claim against Sellers for a finder's fee, brokerage

commission or similar payment.

               5.3.4     Financing.  Buyer will have on the

Closing Date and at Settlement, respectively,  sufficient funds

immediately available to pay the Preliminary Purchase Price and

the Adjusted Purchase Price, if any,  as provided herein.

               5.3.5     Buyer's Knowledge.  The persons set out
on Schedule 5.3.5 hereto do not know, after reasonable inquiry,
of any breach by Sellers of any representation or warranty in
Section 5.2 of this Agreement as of the date hereof.

              ARTICLE SIX:  PARTICULAR COVENANTS OF
                        SELLERS AND BUYER

          6.1  Covenants of Sellers.  Sellers hereby covenant and

agree:

               6.1.1     Interim Operation of the B-Line

Business.  From the date of this Agreement to the Closing, except

as otherwise expressly contemplated by this Agreement or the

Ancillary Agreements, disclosed on Schedule 6.1.1 or consented to

or approved by Buyer in writing, which consent or approval shall

not be unreasonably withheld, (a) Sellers shall and shall cause

the Operating Companies to operate the B-Line Business in the

ordinary and usual course, consistent with past practice;

(b) Sellers shall promptly advise Buyer in writing of any adverse

change in the Assets or Assumed Liabilities which is material to

the B-Line Business (which notice shall not amend or supplement

any Schedule or prevent or cure any misrepresentation, breach of

warranty or breach of covenant); (c) Sellers shall not grant or

cause to be granted to any employee employed solely in relation

to the B-Line Business any increase in compensation in any form,

or any severance or termination pay, or make any loan to or enter

into any employment agreement with any employee, other than

increases in compensation to employees in accordance with past

practices as to timing and amount or increases as may be required

by collective bargaining agreements previously negotiated;

(d) the Operating Companies shall not engage in any practice,

take any action, or enter into any transaction outside the

ordinary course of business the primary purpose or effect of

which will be to generate or preserve cash; (e) neither B-Line

nor B-Line Manufacturing shall declare, set aside or pay any

dividend or make any distribution in kind with respect to its

capital stock or redeem, purchase or otherwise acquire any of its

capital stock, except as expressly permitted herein;

               (f)  each of the Operating Companies shall use its

reasonable best efforts to keep its business and properties

substantially intact, including its present operations, physical

facilities, working conditions, and relationships with lessors,

licensors, suppliers, customers, and employees; and

               (g)  Sellers shall not agree to take any action,

engage in any practice or enter into any transaction which is of

the sort described in Section 5.2.4 (using for the purpose of

determining whether this clause (g) requires consent a threshold

of $250,000 rather than any other threshold set out therein) or

which would violate the foregoing clauses (a) and (c) through

(g).

               6.1.2     Access to Records Prior to Closing.

From the date of this Agreement to the Closing, Sellers shall

afford or cause to be afforded to the officers, attorneys,

accountants and other authorized representatives of Buyer

displaying appropriate credentials reasonable access during

normal business hours to any and all of the premises, properties,

contracts, books, records and data of or relating to the B-Line

Business, provided that (a) such investigation shall not

unreasonably interfere with the operation of the B-Line Business

or Sellers' other business, (b) such access shall be only with

reasonable prior notice to Sellers, (c) the providing of such

information will not cause any of the Sellers or any affiliate of

any of the Sellers to be in violation of Law, or bona fide

preexisting (as of the date hereof) agreement, and (d) no

information subject to a requirement of bona fide confidentiality

on the part of any of the Sellers or any affiliate of Sellers

shall be provided to Buyer except in a manner which complies with

such requirement.

               6.1.3     Notices and Consents.  Prior to Closing,

Sellers will cause each of the Operating Companies to give any

notices to third parties, and will cause each of the Operating

Companies to use its reasonable best efforts to obtain any third-

party consents, that Buyer may request in connection with the

matters referred to in Section 5.2.1 above. Each of the Parties

will (and Sellers will cause each of the Operating Companies to)

give any notices to, make any filings with, and use its

reasonable best efforts to obtain any authorizations, consents

and approvals of, Authorities in connection with the matters

referred to in Section 5.2.1 and 5.3.1 above.

               6.1.4     Exclusivity.  From the date of this

Agreement to the Closing, none of Sellers will (and Sellers will

not cause or permit any of their affiliates) to solicit, initiate

or encourage the submission of any proposal or offer from any

person or entity relating to the acquisition of the B-Line

Business, or participate in any discussions or negotiations

relating to the sale solely of the B-Line Business.

               6.1.5     Covenant Not to Compete.  For a period

of five (5) years from and after the Effective Time, none of

Sellers will (and Sellers will cause their affiliates not to)

engage directly or indirectly in any business that competes with

the B-Line Business as and where conducted by any of the

Operating Companies as of the date hereof or the Effective Time;

provided, however, that ownership of less than 1% of the

outstanding stock of any publicly traded corporation shall not be

deemed to engage solely by reason thereof in any of its

businesses. If the final judgment of an arbitrator or court of

competent jurisdiction declares that any term or provision of

this Section 6.1.5 is invalid or unenforceable, the Parties agree

that the arbitrator or court making the determination of

invalidity or unenforceability shall have the power to reduce the

scope, duration, or area of the term or provision, to delete

specific words or phrases, or to replace any invalid or

unenforceable term or provision with a term or provision that is

valid and enforceable and that comes closest to expressing the

intention of the invalid or unenforceable term or provision, and

this Agreement shall be enforceable as so modified.  The

provisions of this Section 6.1.5 shall not prevent Sellers and

their affiliates from acquiring an entity or business of which a

business which so competes represents less than 10% of the

revenue, provided that such competing business is promptly

divested.

               6.1.6     Non-Solicitation.  For two (2) years

from and after the Effective Time, Sellers shall not (and Sellers

shall cause their affiliates not to) directly or indirectly

solicit for employment or employ the employees of the B-Line

Business without the prior written consent of Buyer.  The

provisions of this Section 6.1.6 shall not apply to (a) general

solicitations of employment (such as newspaper solicitations) not

directed specifically at the employees of the B-Line Business or

(b) employing personnel hired as a result of such advertisements

or unsolicited applications.

               6.1.7     Transition.  None of Sellers will

knowingly take any action that is designed or intended to have

the effect of discouraging any lessor, licensor, customer,

supplier, or other business associate of any of the Operating

Companies from maintaining the same business relationships with

the Operating Companies after the Closing as it maintained with

the Operating Companies prior to the Closing. Each of Sellers

will refer all customer inquiries relating to the B-Line Business

to Buyer from and after the Closing (subject to the Transition

Services Agreement).

               6.1.8     Intercompany Accounts and Agreements.

Prior to the Closing, Sellers shall cancel all intercompany

accounts and agreements, except those agreements set forth on

Schedule 6.1.8, between the B-Line Business on one side and any

of Sellers on the other side.

               6.1.9     Further Assurances.  After the Closing,

Sellers shall deliver or cause to be delivered to Buyer such

other instruments and information as Buyer may reasonably request

in order effectively to convey to and vest in Buyer good and

marketable title to the Assets and to do all such further acts

and things as may be reasonably required to carry out the

transactions contemplated hereunder.

          6.2  Covenants of Buyer.  Buyer hereby covenants and

agrees:

               6.2.1     Further Assurances.  After the Closing,

Buyer will deliver to Sellers such other instruments and

information as Sellers may reasonably request in order to

evidence and confirm Buyer's assumption of the Assumed

Liabilities and to do all such further acts and things as may be

reasonably required to carry out the transactions contemplated

hereunder, subject to applicable Law.  Sellers acknowledge that

Buyer will be entitled to possession of all documents, books and

records (including Other Tax records), agreements and financial

data relating exclusively to the B-Line Business, B-Line and B-

Line Manufacturing.

               6.2.2     No Reliance.  The purchase of the B-Line

Business and the consummation of the transactions contemplated

hereunder by Buyer are not done in reliance by Buyer or its

affiliates or agents upon any warranty or representation or

covenant by, or information from or on behalf of Sellers or any

affiliate of Sellers of any sort, oral or written, except the

warranties and representations and covenants specifically set

forth in this Agreement.

          6.3  Mutual Covenants of the Parties.  The Parties each

hereby covenant and agree with each other:

               6.3.1     Best Efforts and Cooperation.  The

Parties shall each use their best efforts to take, or cause to be

taken, all actions and to do, or cause to be done, all things

reasonably necessary, proper or advisable, and to cooperate with

each other as is reasonably required for such purpose, to

consummate and make effective the transactions contemplated by

this Agreement, provided that nothing in this Agreement shall

obligate either Sellers or Buyer to waive any conditions to its

obligation to effect the Closing.  In case at any time after the

Closing any further action is reasonably necessary or desirable

to carry out the purposes of  this Agreement, the proper officers

or directors of Sellers or Buyer, as the case may be, shall take

all such reasonably necessary or desirable actions.  Without

limiting the generality of the foregoing, if a required consent

is not obtained with respect to the assignment or transfer of any

material Permit, contract or Lease, Sellers and Buyer shall

cooperate in entering into any reasonable arrangement which will

provide Buyer with the rights and benefits (subject to the

obligations) thereof, including if permissible and reasonable a

Seller acting as agent on behalf of Buyer at Buyer's expense.

               6.3.2     Communications.  Any communications,

notices to or discussions with customers or suppliers of the B-

Line Business, press releases, public announcements or other

publicity proposed to be released or permitted by any Party

hereto concerning this Agreement or the transactions hereby or

thereby contemplated shall be, insofar as practicable and lawful,

subject to prior review by and, except as required by Law or a

Party's listing or trading agreement concerning its publicly-

traded securities, written approval of Cooper and SIAL.

               6.3.3     Access to Records and Employees

Subsequent to Closing.

               (a)  For a period of five years following the

Closing, or for such longer periods as may be required by Law,

any Authority or ongoing litigation with respect to any Third

Party Action in connection with (i) any transaction contemplated

under this Agreement or (ii) any fact, event, situation,

circumstance, status, condition, activity, practice, plan,

occurrence, event, incident, action, failure to act or

transaction (collectively, "Occurrence" ) prior to the Effective

Time involving any of the Operating Companies, Sellers and Buyer

shall retain or cause to be retained all material business

records (including without limitation all material records used

or useful in the preparation of Tax returns) relating solely to

the operation, prior to the Effective Time, of the B-Line

Business.  Sellers and Buyer shall provide or cause to be

provided duly authorized representatives of the other (the

"Requesting Party") displaying appropriate credentials and

subject to appropriate assurances of confidentiality reasonable

access to all such business records for bona fide business

reasons at any time during regular business hours for a period of

five years after the Closing Date or such later time as is

required for retention of such business records, and subject to

the requirements of applicable laws, regulations or agreements,

the Requesting Party may make abstracts from, or make copies of,

any such business records as it may deem desirable, at its own

expense.  In connection with any review of such business records,

Sellers or Buyer shall provide to such duly authorized

representatives of the Requesting Party:  (A) access to and the

testimony of (to the extent of their reasonable best efforts)

employees who are familiar with such business records and who can

assist such representatives, at the Requesting Party's own

expense, in locating, explaining or otherwise reviewing  such

business records; and (B) permission to use copying facilities,

clerical services and telephones at the Requesting Party's

expense.  Neither Sellers on the one hand, nor Buyer on the

other, shall destroy any material business records related solely

to the B-Line Business without first giving the other prior

written notice thereof and 90 days thereafter either to consent

to such destruction or to take possession of such records.

Notwithstanding the foregoing, nothing in this Section 6.3.3

shall be construed so as to waive any right to recover under

Article Eight any expenses related to the foregoing or so as to

require any Party to take any action which shall result in a

breach or waiver of any applicable attorney-client or similar

privilege.

               (b)  If, in connection with any litigation,

arbitration, audit or settlement proceedings or negotiations with

respect to the operation of the B-Line Business the Requesting

Party shall require the assistance of employees employed in

connection with the B-Line Business, the appropriate other Party

shall make available such employees as are reasonably required,

and the Requesting Party shall pay such other Party's

out-of-pocket costs incurred in connection with such assistance

by such employees.

               6.3.4     Failure of Conditions; Waiver.  .  If

Buyer accepts a certificate under Section 4.2(a) containing one

or more qualifications to the certification that the conditions

set forth in Section 3.2.1 have been fulfilled, and in the event

that Buyer nevertheless consummates the transactions contemplated

hereby, Buyer shall be deemed to have waived such condition of

Closing but shall not have waived any claims based upon matters

identified in such qualification(s).  If Sellers accept a

certificate under Section 4.3(b) containing one or more

qualifications to the certification that the conditions set forth

in Section 3.1.1 have been fulfilled, and in the event that

Sellers nevertheless consummate the transactions contemplated

hereby, Sellers shall be deemed to have waived such condition of

Closing but shall not have waived any claims based upon matters

identified in such qualification(s).

               6.3.5     Insurance.  Sellers shall use their

reasonable efforts to maintain continuously from the date hereof

through the Effective Time the insurance coverage presently in

force with respect to the B-Line Business and the Assets.

               6.3.6     Amounts Received for Accounts

Receivable.  After the Closing any amounts received by Sellers

which relate to accounts receivable of the B-Line Business

(except to the extent constituting Excluded Assets) shall be

promptly forwarded to Buyer.

               6.3.7     Hart-Scott-Rodino Act Approvals.  The

Parties shall make their respective filings under the Hart-Scott-

Rodino Antitrust Improvements Act of 1976, as amended ("HSR Act")

as soon as practicable, but in no event later than five days

after the date hereof, shall request early termination of any

waiting periods thereunder, and shall promptly make any further

filings pursuant thereto or which may be necessary to consummate

the transactions contemplated herein; provided, however, that

nothing in this Section 6.3.7 shall obligate either Sellers or

Buyer to waive any conditions to their respective obligations to

effect the Closing.  The Parties also agree promptly to prepare

and make such other filings and provide such information to each

other or to any Authority as may be necessary, or, in the

reasonable opinion of the Parties or their counsel, advisable to

permit the consummation of the transactions contemplated hereby.

               6.3.8     Tax Matters.

          (a)   For purposes of this Section, the following terms

have the following meanings:

                   (i) "Seller Group" means, with respect to U.S.

   federal Income Taxes, the affiliated group of corporations (as

   defined in Section 1504(a) of the Code) of which SIAL  is  the

   parent  and, with respect to state or local Income Taxes,  the

   consolidated,  combined  or unitary  group  of  which  any  of

   Sellers or any of its affiliates is a member.

                   (ii) "Tax Asset" means any net operating loss,

   net  capital loss, investment tax credit, foreign tax  credit,

   charitable deduction, claim for refund or any other credit  or

   tax  attribute  which  could reduce Income  Taxes  (including,

   without   limitation,  deductions  and  credits   related   to

   alternative  minimum Income Taxes) or Other  Taxes,  provided,

   however, that such term shall not include the Tax basis of the

   Shares.

          (b)   Sellers  will prepare and file, or  cause  to  be

prepared  and  filed, all federal, state and foreign  Income  Tax

returns for the Operating Companies required to be filed with the

appropriate   United  States,  state,  and  foreign  governmental

entities  for  any  taxable period that ends  on  or  before  the

Effective  Time  (the  "Pre-Closing Tax Period").   Sellers  will

prepare  and, if required to do so by applicable law, deliver  to

Buyer for signing and filing any state Income Tax returns of each

of  B-Line  and  B-Line Manufacturing with respect  to  any  Pre-

Closing  Tax  Period (including any short period) that  have  not

been  filed  prior  to  the Closing Date.  Buyer  shall  have  an

opportunity to review, but shall not unreasonably refuse to  sign

and  file  such  state Income Tax returns.  In  the  event  Buyer

disagrees  with  any such return as prepared  by  Sellers,  Buyer

shall promptly notify Sellers, and the parties shall resolve such

disagreements  in the manner set forth in Section  9.3.   Sellers

will make all payments owing with respect to any such Tax returns

to   the  extent  not  reflected  in  the  Adjusted  Consolidated

Valuation.

          (c)  Except as provided in Section 6.3.8(b), Buyer will

prepare  and file, or cause to be prepared and filed, all  Income

Tax returns for B-Line and B-Line Manufacturing that are required

to  be  filed  with  the appropriate United  States,  state,  and

foreign  governmental entities for all periods as to  which  such

Income Tax returns are due after the Effective Time.  Buyer  will

pay,  or caused to be paid, all Income Taxes required to be  paid

with respect to such Income Tax returns.

          (d)   In order to assist Sellers in the preparation  of

all  Income  Tax  returns that Sellers are  required  to  prepare

pursuant  to this Agreement, Buyer will prepare, or cause  B-Line

and  B-Line  Manufacturing to prepare, and  deliver  to  Sellers,

within  90  days following the relevant taxable period,  standard

Federal  and  state  Income Tax return  data  gathering  packages

relating  to  such  companies.  In  addition  to  providing  such

packages,  Buyer will promptly provide, or cause to be  provided,

to  Sellers  such  other  information as Sellers  may  reasonably

request  (including access to books, records  and  personnel)  in

order for the operations of B-Line and B-Line Manufacturing to be

properly reported in such Income Tax returns, for the preparation

for any Income Tax audit or for the prosecution or defense of any

claims, suit or proceeding relating to Income Taxes.

          (e)    Sellers   shall  provide  such  information   as

reasonably  requested  by Buyer to enable Buyer  to  fulfill  its

obligations for payment of Other Taxes accrued for periods before

the  Effective  Time.   Sellers  further  agree  to  provide  any

reasonable  assistance requested by Buyer  with  respect  to  any

audits  or examinations of returns for taxable periods  prior  to

the Effective Time.

          (f)  Buyer covenants that it will not cause or permit B-

Line  or B-Line Manufacturing or any affiliate of Buyer to  amend

any  Income  Tax or Other Tax return or take any  Income  Tax  or

Other  Tax  position on any Income Tax or Other Tax return,  take

any action, omit to take any action or enter into any transaction

that  results in any increased Income Tax or Other Tax  liability

or  reduction  of  any Tax Asset of SIAL or the Seller  Group  in

respect of any Pre-Closing Tax Period.

          (g)   If,  with respect to an Income Tax or  Other  Tax

return  required  to be filed by B-Line or B-Line  Manufacturing,

Sellers  reasonably determine that B-Line or B-Line Manufacturing

is  entitled to file a claim for refund or an amended Income  Tax

or  Other  Tax return with respect to a Pre-Closing  Tax  Period,

Buyer shall, upon Sellers' reasonable request, cause B-Line or B-

Line Manufacturing to file all such claims or amended Income  Tax

or  Other  Tax returns at Sellers' expense. Buyer shall  use  its

reasonable  best efforts to secure claims for refunds pending  as

of  the  Closing Date.  Buyer shall promptly pay or  shall  cause

prompt  payment  to be made to Sellers of all refunds  of  Income

Taxes  or  Other  Taxes  and interest  thereon  received  by,  or

credited  against  the  Income Tax  or  Other  Tax  liability  or

interest thereon that would otherwise have been payable but for a

credit being elected, of Buyer, any affiliate of Buyer, or B-Line

or  B-Line  Manufacturing attributable to Income Taxes  or  Other

Taxes  paid  by  Sellers, B-Line or B-Line Manufacturing  or  any

affiliate of Sellers with respect to any Pre-Closing Tax Period.

          (h)  Buyer shall be solely liable for and shall pay all

applicable sales, transfer, use, stamp, conveyance, value added,

real property transfer, recording, stock transfer and other

similar Taxes, if any, together with all recording or filing

fees, notarial fees and other similar costs of Closing, that may

be imposed upon, or payable, collectible or incurred in

connection with any deemed sale of assets pursuant to any Section

338(h)(10) Election (including an election pursuant to Section

338(g) of the Code or a purported Section 338(h)(10) Election

that is determined to be invalid or ineffective) or otherwise as

a result of the transfer of the Assets ("Transfer Taxes").

Notwithstanding the foregoing, Sellers shall include in its

federal consolidated Income Tax return or separate state Income

Tax return the income attributable to the deemed sale of assets

pursuant to any Section 338(h)(10) Election or equivalent

election under state law and any income Tax liability resulting

therefrom.

         ARTICLE SEVEN:  EMPLOYEES AND EMPLOYEE MATTERS

          7.1  Treatment of Employees-General.  (a)  At the

Closing, Buyer shall, and shall be deemed to, offer immediate or

continuing employment (so that no period of unemployment occurs)

to all hourly and salaried employees of the Operating Companies

employed immediately prior to Closing in relation to the B-Line

Business who are listed on Schedule 7.1(a) as updated through

Closing, including to account for changes between the effective

date of such schedule and the date of this Agreement and between

the date of this Agreement and the Effective Time, including

without limitation disabled and laid off personnel and personnel

on leave ("Current Employees"), in each case in the same

employment status (for example, without limitation, temporary

leave, part time or temporary employment), and with the same

hours, pay and other terms and conditions of employment, as exist

at Closing.  Such employees who accept such offer are referred to

hereinafter collectively as "Employees" and individually as an

"Employee."

          (b)  Buyer agrees to provide to the Employees benefits

not less favorable in the aggregate to the benefits currently

provided to other similarly classified employees of Buyer, except

as required by the terms of any written employment contract or

agreement with such Employee.  Any benefit plans or programs

provided by Buyer shall give full credit for each participant's

years of service with the Operating Companies prior to the

Effective Time for all purposes (other than for the accrual of

benefits) for which such service was recognized under the Plans

set forth on Schedule 5.2.15(a), including, but not limited to,

recognition of service for eligibility, vesting, eligibility to

participate and eligibility for disability and early retirement

benefits.

          7.2  Welfare Benefits.  (a) As of and after the

Effective Time, Buyer shall be responsible for all benefits

arising from claims of Employees under employee welfare benefit

plans applicable to Employees of the B-Line Business with respect

to claims incurred on or after the Closing Date.  Buyer shall

provide benefits to eligible employees pursuant to this

Section 7.2 notwithstanding any waiting periods or pre-existing

condition restrictions which may be contained in any of Buyer's

applicable welfare benefit plans or programs which are applicable

to any of the Employees following the Effective Time.  Sellers

shall use their reasonable best efforts to assist in

establishing, at Buyer's cost, transition arrangements which

allow Buyer to continue to provide welfare benefits which are

self-insured.  Upon request, Sellers will allow Buyer to install

its Cyborg payroll and human resources software at the B-Line

Business prior to the Closing Date, and such software shall

remain the property of Buyer.

               (b)  Sellers shall retain all liability and be

responsible for retiree welfare benefits to be provided to

current retirees of the B-Line Business and to Current Employees

(as of the later of the date benefits commence under the Sigma-

Aldrich Corporation Retirement Security Value Plan or the date

the Current Employee ceases employment with Buyer or any

affiliate of Buyer or member of its controlling group) who have

met the age and service eligibility requirements as of the

Effective Time.  Current Employees who have not met the age and

service eligibility requirements as of the Effective Time shall

not be eligible for retiree welfare benefits from Seller, and

Buyer shall assume and be solely responsible for any retiree

welfare benefits to which such Current Employees may be entitled

after the Effective Time and shall indemnify and hold Sellers

harmless with respect thereto.

          7.3  Buyer's Assumption of Liability.  As of and after

the Effective Time,

               (a) (i) Buyer shall recognize each collective

bargaining representative of the Current Employees, and shall

assume any and all liabilities, responsibilities and obligations

of Sellers under collective bargaining agreements set forth on

Schedule 5.2.14 with respect to the B-Line Business and (ii)

Buyer shall recognize all periods of employment of each Employee

prior to the Effective Time with the Operating Companies

(individually or in sum) for all purposes including, without

limitation, calculating vacation pay, severance benefits and as

relevant to the benefits described in Section 7.2 hereof, as if

such Employee had been so employed by Buyer.

               (b)  Buyer shall assume the liabilities and

obligations of the Operating Companies with respect to the

agreements listed on Schedule 7.3(b) except (and only except) if

a Current Employee receives severance pay pursuant to such an

agreement because he or she reasonably judges that a "Permitted

Executive Resignation" has occurred as provided in paragraph b(i)

or (ii) of the definition of such term contained in Section 2 of

such Agreements but that notwithstanding such reasonable judgment

none of the changes enumerated in such paragraphs b(i) or (ii)

has, in fact, occurred, in which event Sellers shall be

responsible for such severance pay.  Buyer shall promptly notify

SIAL in writing in the event any Current Employee claims such a

Permitted Executive Resignation has occurred and in the event

Buyer claims that it would not be responsible for such severance

pay because the conditions of the preceding sentence have been

satisfied.  Buyer shall not pay such severance pay without SIAL's

prior written consent (which shall not be unreasonably withheld)

or unless required to do so by court order.  Sellers shall retain

and be responsible for any other liabilities and obligations of

the Operating Companies for severance pay or other separation

benefits to which any Current Employee may be or become entitled

up to the Effective Time.  Buyers shall assume and be responsible

for any severance pay or other separation benefits to which any

Current Employee may be or become entitled following the

Effective Time.

          7.4  Plant Closing Law.  Set forth on Schedule 7.4 is

the number of employees of the Operating Companies in connection

with the B-Line Business whose employment has been terminated

during the six-month period prior to the date of this Agreement,

and the location of their employment at the time of termination.

Buyer acknowledges that such actions may affect Buyer's

subsequent labor and employment decisions regarding layoffs,

terminations and closings with respect to the B-Line Business.

Buyer shall bear all responsibility for any liability or

obligation under the Workers' Assistance and Retraining

Notification Act ("WARN") in connection with the B-Line Business

arising from any action by Buyer (whether or not considered in

connection with the activity specified on Schedule 7.4) after the

Closing.

          7.5  Security Value Plan.  As of the Effective Time,

Sellers shall amend the Sigma-Aldrich Corporation Retirement

Security Value Plan to fully vest all benefits accrued by

Employees.  Sellers shall retain all liabilities associated with

benefits accrued under the Sigma-Aldrich Corporation Retirement

Security Value Plan.

          7.6  401(k) Plan.  As of the Effective Time, Sellers

shall amend the Sigma-Aldrich 401(k) Retirement Savings Plan to

fully vest all account balances of Employees in the Sigma-Aldrich

401(k) Retirement Savings Plan.  Sellers shall retain all

liabilities associated with benefits accrued by and payable to

Employees under the Sigma-Aldrich 401(k) Retirement Savings Plan.

                 ARTICLE EIGHT:  INDEMNIFICATION

          8.1  Indemnification by Buyer.  From and after the

Closing Date, Buyer shall defend, indemnify and hold harmless

Sellers, affiliates and shareholders of Sellers and their

employees, officers, directors and agents from and against any

and all claims, losses, demands, causes of action, suits, orders,

decrees, judgments, debts, liabilities and expenses, including

but not limited to court costs, arbitration costs and reasonable

attorneys' and experts' fees and expenses in any venue, forum or

tribunal, domestic or foreign, (collectively, a "Claim")

resulting from (a) any failure of Buyer promptly to carry out,

perform, satisfy and discharge any of its covenants, agreements,

undertakings or obligations under this Agreement or any Ancillary

Agreement, including, without limitation, any liability under

WARN or any similar state statute or regulation relating to

layoffs, terminations or closings, (b) subject to Section 6.3.4,

any breach of any representation or warranty by Buyer contained

herein or in any certificate delivered at the Closing in respect

thereof, (c) Buyer's ownership and operation of the Assets and B-

Line Business after the Effective Time or (d) the Assumed

Liabilities. For the avoidance of doubt, however, Buyer shall

assume and be responsible for Pre-Closing Product Claims, but

only to the extent of the reserve or accrual therefor reflected

on the Adjusted Consolidated Valuation (any further or greater

liability or obligation for Pre-Closing Product Claims being

retained by Sellers).

          8.2  Indemnification by Sellers.  From and after the

Closing Date, Sellers shall defend, indemnify and hold harmless

Buyer, affiliates and shareholders of Buyer and their respective

employees, officers, directors, agents and permitted transferees

from and against any and all Claims resulting from or arising out

of:

               (a)  any failure of Sellers promptly to carry out,

perform, satisfy and discharge any of their covenants,

agreements, undertakings, or obligations under this Agreement;

               (b)  subject to Section 6.3.4, any breach of any

representation or warranty of Sellers contained herein, or in any

certificate delivered at the Closing in respect thereof;

               (c)  any liability or obligation of Sellers which

is not an Assumed Liability;

               (d)  any liability of B-Line or B-Line

Manufacturing or the other Operating Companies for the unpaid

Taxes of any other person or entity under Treas. Reg. Section

1.1502-6 (or any similar provision of state, local or foreign

Law), as a transferee or successor, by contract, or otherwise for

any Taxable period ending on or before the Effective Time;

               (e)  any of the following matters, notwithstanding

any disclosure made to Buyer, but except to the extent of a

reserve or accrual therefor reflected on the final Adjusted

Consolidated Valuation:

                    (i)  Pre-Closing Product Claims (to the

     extent not assumed by Buyer pursuant to Section 1.2 above);

                    (ii) workers' compensation claims arising

     from any Occurrences prior to the Effective Time;

                    (iii)     the payment of any retention pay or

     bonus to any Current Employee agreed to by or on behalf of

     Sellers prior to the Effective Time by reason of the sale

     and purchase of the B-Line Business contemplated in this

     Agreement (but excluding any obligations to provide

     severance pay assumed by Buyer pursuant to the terms of this

     Agreement including without limitation Section 7.3 hereof);

     or

                    (iv) the assertion of any Claim relating to

     any of Sellers' liability for Income Taxes owed by any of

     Sellers for any taxable period ending on or before the

     Closing Date except for Taxes assumed by Buyer pursuant to

     Section 6.3.8(g); and

                    (v)  any Environmental Liabilities arising

     out of Occurrences prior to the Effective Time, except (A)

     excluding any remediation or other corrective action which

     is not required by Environmental Law, and (B) to the extent

     that any such Environmental Liability is increased as a

     result of any Occurrence following the Effective Time.

               (f)  the foregoing notwithstanding, however,

Sellers shall not be required to indemnify Buyer or any other

person or entity hereunder in regard to clause (b) (and such

clause only) of this Section 8.2 unless and until the aggregate

amount of all Claims pursuant to such clause (b) of this Section

8.2 exceeds $5,000,000 (the "Basket"), and then only for the

amount of such Claims in excess of the Basket, and further

provided that Sellers shall not be required to indemnify Buyer or

any other person or entity hereunder pursuant to clause (b) of

this Section 8.2 in the aggregate in an amount greater than 50%

of the Adjusted Purchase Price (the "Cap"). The ability of Buyer

to seek indemnity pursuant to clause (b) of this Section 8.2

shall not preclude Buyer from asserting its claim (on a first

dollar basis) pursuant to any other applicable clauses of this

Section 8.2.  Buyer, or any other person or entity hereunder

shall not be entitled to indemnity under clause (b) of this

Section 8.2 to the extent any liability or loss which is the

subject of such claim is reserved or accrued on the Adjusted

Consolidated Evaluation.

          8.3  Indemnification Procedures.  Promptly after

acquiring knowledge of any Claim against which a party entitled

to indemnification hereunder (the "Indemnified Party") may seek

indemnification against the other party (the "Indemnifying

Party") pursuant to this Article Eight, the Indemnified Party

shall give written notice thereof to the Indemnifying Party;

provided, however, that failure to provide such notice will not

relieve the Indemnifying Party of any liability that it may have

to the Indemnified Party under this Agreement unless and to the

extent the Indemnifying Party is prejudiced as a result of such

failure (and in such event, the Indemnifying Party shall be

relieved of liability only to the extent of such prejudice).  To

the extent that the Claim consists of or relates to a claim, suit

or action by a third party (including an Authority)(a "Third

Party Action"), so long. as the Indemnifying Party is actively

and diligently conducting itself in accordance with these

provisions the Indemnifying Party shall be entitled to assume

control of the defense of the Third Party Action with counsel and

experts reasonably satisfactory to such Indemnified Party;

provided however, that (x) the Indemnified Party shall at its own

expense be entitled to participate in the defense of such Third

Party Action and to employ separate counsel and experts and (y)

without the written consent of the Indemnified Party (which shall

not be unreasonably withheld), the Indemnifying Party shall not

consent to the entry of any judgment or enter into any settlement

that (a) does not include as an unconditional term thereof the

giving by the claimant or plaintiff to each Indemnified Party of

a release from all liability in respect of such Third Party

Action or (b) involves injunctive relief.  After written notice

by the Indemnifying Party to the Indemnified Party of its

election to assume control of the defense of any such Third Party

Action, the Indemnifying Party shall not be liable to such

Indemnified Party hereunder for any legal expenses subsequently

incurred by such Indemnified Party in connection with the defense

thereof.

          8.4  Computation of Claims.  All computations of Claims

and the amount of indemnification to which any indemnified person

is entitled under this Article Eight shall be made giving effect

to the tax consequences of any such Claim, and all proceeds of

insurance recoverable by the exercise of reasonable diligence for

not more than one year by the indemnified persons with respect to

such Claims, provided that in the event that such insurance

recovery takes more than one year, the Indemnified Party shall be

entitled to initiate an indemnification claim and any subsequent

insurance proceeds shall be paid to the Indemnifying Party to the

extent of any payments made or expenses incurred by the

Indemnifying Party.

          8.5  Term of Indemnification.  The respective Parties'

rights to be indemnified pursuant to Article Eight hereof shall

be limited to Claims presented in writing to the Indemnifying

Party before the expiration of the period hereinafter set forth

applicable to the claim: (a) for all Claims other than those

described in the following clauses  (b), (c) and (d) twenty four

(24) months after the Closing Date, (b) for any Claim for breach

of representations and warranties under Section 5.2.18 or

pursuant to Section 8.2(e)(v) five years after the Closing Date,

(c) for any claim for breach of representation and warranties

under Section 5.2.9 ten years after the Closing Date and (d) for

any Claim brought pursuant to Section 8.1(a), 8.1(c), 8.1(d),

8.2(a), 8.2(c), 8.2(d) or 8.2(e) (other than clause (v) thereof),

until the expiration of the statute of limitations applicable to

such Claim .

          8.6  Sole Basis For Claims.  The Parties agree that the

provisions of this Article Eight set forth the exclusive remedy

of the indemnified persons after the Closing with respect to any

Claims arising under or resulting from any provision of this

Agreement.

                  ARTICLE NINE:  MISCELLANEOUS

          9.1  Expenses.  Each of Buyer and Sellers shall pay its

own expenses incidental to the negotiation, preparation and

performance of this Agreement and the Ancillary Agreements and

the transactions contemplated hereby and thereby, whether or not

the Closing occurs, as long. as failure to close is not a breach

of this Agreement.  Buyer shall be responsible for the payment of

the filing fee under the HSR Act.

          9.2  Scope of Liability and Available Remedies.

               9.2.1     Joint and Several Liability.  Each of

Sellers shall be deemed to have made jointly and severally each

and all of Sellers' representations, warranties, covenants,

undertakings and agreements in this Agreement or any agreement

referenced herein, and Sellers shall be liable jointly and

severally for all Claims arising from any actual or asserted

breach thereof.

               9.2.2     Joint and Several Liability.  Each Buyer

shall be deemed to have made jointly and severally each and all

of Buyer's representations, warranties, covenants, undertakings

and agreements in this Agreement or any agreement referenced

herein, and each Buyer shall be liable jointly and severally for

all Claims arising from any actual or asserted breach thereof.

               9.2.3     Certain Damages Waived.  EXCEPT WITH

RESPECT TO RIGHTS OF INDEMNIFICATION IN REGARD TO AWARDS MADE

PURSUANT TO THIRD PARTY ACTIONS, NEITHER SELLERS ON ONE HAND NOR

BUYER ON THE OTHER HAND SHALL BE LIABLE TO THE OTHER FOR ANY

CONSEQUENTIAL OR PUNITIVE DAMAGES IN CONNECTION WITH THIS

AGREEMENT OR ANY AGREEMENT REFERENCED IN THIS AGREEMENT, OR A

PARTY'S ACTIONS OR FAILURE TO ACT RELATED THERETO, ANY OTHER

PROVISION TO THE CONTRARY NOTWITHSTANDING.

          9.3  Arbitration.

               9.3.1     Conference.  The Parties shall attempt

in good faith to resolve by agreement any dispute relating to

this Agreement or the agreements referenced herein or any alleged

breach hereof or thereof (except those to which the arbitration

provisions in Section 2.3 apply and any claim or dispute

regarding a covenant not to compete including the enforceability

thereof), including any issue as to whether this Section 9.3

applies (but not the issue whether this Section 9.3 applies to a

claim or dispute regarding any covenant not to compete), which

shall be submitted for resolution to an authorized officer of

Cooper and an authorized representative of the Sellers involved

in the claim or dispute (each such officer and representative

being fully empowered to settle the claim or dispute on behalf of

all of Buyer and Sellers), all of whom shall meet within 15

business days of such submission to seek in good faith an

amicable settlement.

               9.3.2     General.  Any dispute relating to this

Agreement which is not settled by the Parties within 60 days

after written notice of the claim is first given by either Party

to the other pursuant to Section 9.3.1 shall be settled by

arbitration in accordance within the commercial arbitration rules

of the American Arbitration Association ("AAA") and the

Guidelines for Expediting Larger, Complex Commercial Arbitrations

of the AAA, and judgment upon the award rendered by the

Arbitrator may be entered in any court having jurisdiction over

it.  The arbitration proceeding, including the rendering of an

award, shall take place in Chicago, Illinois and shall be

administered by the AAA.

                9.3.3      Appointment  of Tribunal.   Except  as

otherwise  provided  in Sections 2.3, 2.4, and  2.5  hereof,  the

arbitral tribunal shall be appointed within thirty (30)  days  of

the  notice  of  the  dispute  and shall  consist  of  three  (3)

arbitrators,  one of whom shall be appointed by Sellers,  one  by

Buyer  and the third by both Sellers and Buyer jointly; provided,

however,  if Sellers and Buyer do not select the third arbitrator

within such thirty-day period, such arbitrator shall be chosen by

the AAA as soon as practicable following notice to the AAA by the

Parties of their inability to choose such third arbitrator.

                9.3.4      Final and Binding.  The award  of  any

such  arbitral  tribunal  shall be final  and  binding  upon  the

Parties  to  the arbitration.  The Parties hereby  waive  to  the

extent permitted by law any rights to appeal or to review of such

award by any court or tribunal.  Judgment upon such award may  be

entered by the prevailing Party in any court having jurisdiction.

                9.3.5      Award.   Subject to the provisions  of

Sections  8.6 and 9.2 hereof, the award of the arbitral  tribunal

may  be  alternatively or cumulatively for monetary  damages,  an

order  requiring  the  performance of  non-mandatory  obligations

(including  specific performance) or any other appropriate  order

or  remedy, including without limitation, injunction and specific

performance.  The arbitral tribunal may issue interim awards  and

order  any provisional measures which should be taken to preserve

the  respective rights of either Party which may be  enforced  in

any court or tribunal of competent jurisdiction.

                9.3.6      Cost of Proceedings.  The cost of  the

arbitration  proceeding,  including  reasonable  attorney's   and

experts'  fees and expenses for both Parties, if there  are  any,

shall  be  paid  by  the non-prevailing Party,  unless  otherwise

determined by the arbitral tribunal.

               9.3.7     Agents.  Each Seller appoints SIAL

(including any successor thereof upon written notice to Buyer,

"Sellers' Agent") as its agent to receive on its behalf service

of copies of any notice of dispute, complaint, summons or any

other process that might be served in any action or proceeding or

entering of judgment arising out of or relating to this

Agreement.  Buyer may make service on any Seller by sending or

delivering a copy of the process (i) to the Party to be served at

the address and in the manner provided for the giving of notices

in Section 9.4 or (ii) to the Party to be served in care of the

Sellers' Agent at the address and in the manner provided for the

giving of notices in Section 9.4 with a copy to the applicable

Seller or Sellers.  Each Buyer appoints Cooper (including any

successor thereof upon written notice to Sellers, "Buyer's

Agent") as its agent to receive on its behalf service of copies

of any notice of dispute, complaint, summons or any other process

that might be served in any action or proceeding or entering of

judgment arising out of or relating to this Agreement.  Sellers

may make service on any Buyer by sending or delivering a copy of

the process (i) to the Party to be served at the address and in

the manner provided for the giving of notices in Section 9.4 or

(ii) to the Party to be served in care of the Buyer's Agent at

the address and in the manner provided for the giving of notices

in Section 9.4 with a copy to the applicable Buyer or Buyers.

Nothing in this Section 9.3.7, however, shall affect the right of

any Party to bring any such action or proceeding or entering of

judgment in any other court or to serve legal process in any

other manner permitted by law or at equity.  Each Party agrees

that a final judgment in any action or proceeding so brought

shall be conclusive and may be enforced by suit on the judgment

or in any other manner provided by law or at equity.

          9.4  Notices.  Any notices or other communications

required or permitted hereunder shall be given in writing and

shall be sufficiently given if delivered personally or sent by

confirmed facsimile, or registered mail or certified mail, return

receipt requested, postage prepaid, addressed as follows:

          To Buyer or Buyer's Agent:    Cooper Industries, Inc.
                              600 Travis, Suite 5800
                              Houston, Texas 77002
                              Attention: General Counsel
                              Facsimile: (713) 209-8989


          To Sellers or Sellers' Agent: Sigma-Aldrich Corporation
                              3050 Spruce Street
                              St. Louis, Missouri  63103
                              Attention:   Michael R. Hogan
                              Facsimile:   (314) 286-7878

with copies to:

          For Sellers:   Bryan Cave LLP
                    One Metropolitan Square
                    Suite 3600
                    St. Louis, Missouri  63102
                    Attention:  Don G. Lents
                    Facsimile:  (314) 259-2020


or to such other address as shall hereafter be furnished in

writing by any Party in the aforesaid manner, and any such notice

or communication shall be deemed to have been given as of the

date so delivered or 3 days after the date mailed as provided

above.

          9.5  Captions.  The captions set forth in this

Agreement are for convenience only and shall not be considered as

part of this Agreement, nor as in any way limiting or amplifying

the terms and provisions hereof.

          9.6  Successors and Assigns; Other Parties.  This

Agreement shall be binding upon and inure to the benefit of the

Parties and their respective successors and assigns, provided

that this Agreement may not be assigned by either Party without

the prior written consent of the other Party; provided, however,

that Buyer may (i) assign any or all of its rights and interests

hereunder to one or more of its affiliates and (ii) designate one

or more of its affiliates to perform its obligations hereunder.

No assignment (including without limitation any such assignment

by Buyer) shall relieve a Party of any of its obligations

hereunder without the prior written consent of the other Party.

Nothing herein expressed or implied is intended or shall be

construed to confer upon or give to any person or entity, other

than the Parties and their respective successors and assigns

(permitted  successors and assigns in the case of Sellers), any

rights or remedies under or by reason of this Agreement. Any

assignment requiring consent that is made without such consent

shall be void.

          9.7  Entire Agreement.  Except for the Confidentiality

Agreement dated December 6, 1999 between the Parties, as amended

or supplemented, which Confidentiality Agreement shall remain in

full force and effect until Closing at which point it shall

expire, this Agreement and the Ancillary Agreements (together

with the Exhibits and Schedules hereto and thereto) supersede any

other agreement, commitment, arrangement or understanding of any

sort whatever, whether written or oral, that may have been made

or entered into by any of the Parties (or by any director,

officer, employee or representative of such Parties or their

affiliates) relating to the sale and purchase of the B-Line

Business.  The Confidentiality Agreement, this Agreement, the

Ancillary Agreements and the Exhibits and Schedules hereto and

thereto constitute the entire agreement by and between the

Parties relating to the sale and purchase of the B-Line Business

and there are no agreements, commitments, arrangements or

understandings except as expressly set forth herein.

          9.8  Construction.  Both Parties have participated in

the drafting of this entire Agreement and expressly acknowledge

such joint participation to avoid application of any rule

construing contractual language against the Party which drafted

the language.  The word "including" shall mean including without

limitation. Any Exhibits, Certificates and Schedules identified

in this Agreement are incorporated herein by reference and made a

part hereof.

          9.9  Time of Essence.  Time shall be of the essence

with respect to each Party's performance of its obligations

pursuant to this Agreement.

          9.10 Termination.  This Agreement may be terminated as

follows:

               (a)  Cooper and SIAL, on behalf of all Sellers,

may terminate this Agreement by mutual written consent at any

time prior to the Closing;

               (b)  Cooper on behalf of Buyer may terminate this

Agreement by giving written notice to Seller's Agent on behalf of

all Sellers at any time prior to the Closing (i) in the event any

of Sellers has breached any representation, warranty, or covenant

contained in this Agreement in any material respect, Buyer has

notified Sellers' Agent in writing of the breach, and the breach

has continued without cure for a period of 30 days after the

notice of breach or (ii) if the Closing shall not have occurred

on or before September 30, 2000, by reason of the failure of any

condition precedent under Section 3.2 hereof (unless the failure

results primarily from Buyer itself breaching any representation,

warranty, or covenant contained in this Agreement); and

               (c)  SIAL on behalf of all Sellers may terminate

this Agreement by giving written notice to Buyer's Agent at any

time prior to the Closing (i) in the event Buyer has breached any

representation, warranty, or covenant contained in this Agreement

in any material respect, any of Sellers has notified Buyer's

Agent in writing of the breach, and the breach has continued

without cure for a period of 30 days after the notice of breach

or (ii) if the Closing shall not have occurred on or before

September 30, 2000, by reason of the failure of any condition

precedent under Section 3.1 hereof (unless the failure results

primarily from any of Sellers themselves breaching any

representation, warranty, or covenant contained in this

Agreement).

Termination by any Seller shall be exercised only by Seller's

Agent acting on behalf of all Sellers.  Termination by any Buyer

shall be exercised only by Buyer's Agent acting on behalf of all

Buyers.  A Party's exercise of its rights of termination

hereunder shall terminate all rights and obligations of the

Parties except the right of any party to recover damages from any

other Party for any breach by such other Party of this Agreement.

          9.11 Counterparts.  This Agreement may be executed in

two counterparts, each of which shall be deemed an original, but

which together shall constitute one and the same instrument.  It

shall not be necessary for every Party hereto to sign each

counterpart but only that each Party shall sign at least one such

counterpart.

          9.12 Governing Law.  This Agreement shall in all

respects be governed by and construed in accordance with the

local laws of the State of Missouri, without reference to its

principles of choice or conflict of law.

          9.13 Modification; Waiver.  No modification of or

amendment to this Agreement shall be valid unless in a writing

signed by the Parties referring specifically to this Agreement

and stating the Parties' intention to modify or amend the same.

Any waiver of any term or condition of this Agreement must be in

a writing signed by the Party sought to be charged with such

waiver referring specifically to the term or condition to be

waived, and no such waiver shall be deemed to constitute the

waiver of any other breach of the same or of any other term or

condition of this Agreement.

          9.14 Severability.  The invalidity or unenforceability

of any particular provision of this Agreement shall not affect

the validity or enforceability of the other provisions hereof.

          THIS CONTRACT CONTAINS A BINDING ARBITRATION PROVISION

WHICH MAY BE ENFORCED BY THE PARTIES.

<PAGE>

          IN WITNESS WHEREOF, Sellers and Buyer, by their duly

authorized officers, have caused this Agreement to be executed as

of the date first above written.





COOPER INDUSTRIES, INC.        SIGMA-ALDRICH CORPORATION

By: \c\ Diane K Schumacher     By: \c\ Michael R. Hogan

Name: Diane K. Schumacher      Name: Michael R. Hogan
Title: Senior Vice President,  Title: Chief Financial Officer
General Counsel     and
Secretary


SIGMA-ALDRICH CANADA LTD.             SIGMA-ALDRICH CO.

By: \c\ Michael R. Hogan       By: \c\ Michael R. Hogan
Name: Michael R. Hogan         Name: Michael R. Hogan
Title: Authorized Signatory    Title: Authorized Signatory


SIGMA-ALDRICH COMPANY LTD.     SIGMA-ALDRICH CHEMIE GMBH



By: \c\ Michael R. Hogan       By: \c\ Michael R. Hogan
Name: Michael R. Hogan         Name: Michael R. Hogan
Title: Authorized Signatory    Title: Authorized Signatory

CBL ACQUISITION CORP.          COOPER TECHNOLOGIES COMPANY
By: \c\ Diane K Schumacher     By: \c\ James R. Deen
Name: Diane K. Schumacher      Name: James R. Deen
Title: President               Title: General Counsel

<PAGE>
<TABLE>
<CAPTION>

GLOSSARY INDEX OF DEFINED TERMS
Term                     Page      Term                     Page
<S>                        <C>    <C>                       <C>
AAA                         67     Laws                      24
Accounting Arbitrator        7     Liens                     27
ACM                         40     Long Term Debt             5
Adjusted Consolidated              Manufacturing Stock        2
 Valuation                  6      multiemployer plan        36
Adjusted Purchase Price      6     Occurrence                50
Agreement                    1     Operating Companies       18
Ancillary Agreements        18     Other Taxes               34
Arbitration Deadline         7     Owned Properties          28
Assets                       3     Parties                    1
Assumed Liabilities          4     Party                      1
Authority                   24     PBGC                      36
Basket                      63     Permits                   24
Bill of Sale                15     Permitted Liens           28
B-Line                       2     Plans                     36
B-Line Business              1     Pre-Closing Product Claims 4
B-Line Manufacturing         2     Pre-Closing Tax Period    54
B-Line Stock                 2     Preliminary Consolidated
Buyer                        1      Valuation                 6
Buyer's Letter               7     Preliminary Purchase Price6
Canada B-Line Business Assets2     Release                   40
Cap                         63     Released                  40
Claim                       61     Requesting Party          51
Closing                     14     SAC                        1
Closing Date                14     SAC B-Line Business Assets 2
Code                        10     Scheduled Contracts       35
Current B-Line Insurance    42     Scheduled Intangibles     30
Current Employees           57     Section 338(h)(10) Election
Effective Time              14                               10
Employee                    57     Seller Group              53
employee benefit plan       36     Sellers                    1
employee pension plan       36     Sellers' Agent        68, 69
employee welfare plan       36     Sellers' Letter            7
Employees                   57     Settlement                 9
Environment                 38     Shares                    10
Environmental Laws          38     SIAL                       1
Environmental Liabilities   26     Sigma Canada               1
Environmental Permits       40     Sigma Germany              1
ERISA                       36     Sigma UK                   1
Excluded Assets              3     Tax                       34
Financial Statements        20     Taxes                     34
GAAP                        20     Third Party Action        64
General Assignment and             Transfer Taxes            56
 Assumption                 14     UK B-Line Business Assets  3
Germany B-Line Business Assets     WARN                      60
                             3
Hazardous Substances        39
HSR Act                     53
Income Tax Asset            53
Income Taxes                34
Indemnified Party           63
Indemnifying Party          64
Intangibles                 30
knowledge                   16

</TABLE>
<PAGE>
<TABLE>
<CAPTION>

LIST OF SCHEDULES
<S>           <C>
1.1(c)         SAC B-Line Business Assets
1.2(f)         Long Term Debt Assumed (IRB)
2.2(a)         Preliminary and Adjusted Consolidated Valuation
2.2(b)         Preliminary Consolidated Valuation
3.2.8          Assigned Leases
4.3            Wiring Instructions
5.1            Knowledge Persons
5.2.2(d)       Certain Securities
5.2.3(a)       Unaudited Financial Statements
5.2.3(b)       Audited Financial Statements
5.2.4          Absence of Changes
5.2.5          Compliance with Law; Licenses and Permits
5.2.6(a)       Litigation and Related Matters
5.2.6(b)       Product Sale Terms
5.2.7          Title to Property - Owned
5.2.8          Personal Property - Leased
5.2.9          Owned Properties
5.2.10         Real Property - Leased
5.2.11(a)      Patents, Trademarks and Other Intellectual Property
               (Intangibles)
5.2.11(b)      Exceptions to Rights
5.2.12         Taxes
5.2.13         Contracts
5.2.14         Labor Relations
5.2.15(a)      Employee Benefit Plans
5.2.17         Inventory
5.2.18         Environmental Matters
5.2.19         Transactions with Affiliated Persons
5.2.21         Shared Facilities, Etc.
5.2.25         Current B-Line Insurance
5.3.5          Buyer's Knowledge
6.1.1          Interim Operation of B-Line Business
6.1.8          Certain Intercompany Agreements
7.1(a)         Employees of Operating Companies
7.3(b)         Benefits Payable by Buyer
7.4            Terminated Employees of Operating Companies

</TABLE>
<PAGE>
                         Schedule 2.2(a)

Determination of Preliminary and Adjusted Consolidated Valuation

1.   The Preliminary Consolidation Valuation has been and the

Adjusted Consolidated Valuation shall be prepared in accordance

with the provisions of this Schedule 2.2(a).  In the event of a

conflict or inconsistency (i) between this Schedule and the

remainder of the Agreement, this Schedule shall take precedence,

(ii) between Paragraphs 1.1 or 1.2 and 1.3 of this Schedule,

Paragraph 1.3 of this Schedule shall take precedence over

Paragraphs 1.1 and 1.2 of this Schedule, and (iii) between

Paragraphs 1.1 and 1.2 of this Schedule, Paragraph 1.2 of this

Schedule shall take precedence over Paragraph 1.1 of this

Schedule.

     1.1. The Preliminary Consolidation Valuation has been and

the Adjusted Consolidated Valuation shall be, except as provided

in Paragraph 1.2 and 1.3, prepared in accordance with principles,

practices and procedures which are the same as those which were

applied in preparing the Audited Financial Statements, and as to

assets or liabilities of a kind or type that were not included in

the Audited Financial Statements, in accordance with normal

principles, practices and procedures of the B-Line Business

regarding similar assets or liabilities.

     1.2. Notwithstanding anything to the contrary in Paragraph

1.1, if any of the principles, practices or procedures required

by Paragraph 1.1 produces asset or liability amounts which are

not in compliance with GAAP, the Preliminary Consolidation

Valuation does and the Adjusted Consolidated Valuation shall

reflect an adjustment necessary to produce asset or liability

amounts which are in compliance with GAAP.

     1.3. Notwithstanding anything to the contrary in Paragraphs

1.1 or 1.2, the following specific accounting rules controlled

the preparation of the Preliminary Consolidated Valuation and

shall control the preparation of the Adjusted Consolidated

Valuation:

          1.3.1.    The Preliminary Consolidated Valuation does

not and the Adjusted Consolidated Valuation will not include any

assets or liabilities for deferred Income Taxes.

          1.3.2.    The quantities of inventory used to determine

the inventory amount to be included in the Adjusted Consolidated

Valuation will be based on the results of a physical inventory to

be taken immediately after the Closing Date.  Such physical

inventory shall not include consignment locations (as to which

inventory shall be verified by solicitation of written

confirmation from the consignee).  Such physical inventory shall

be taken by Buyer's employees or representatives, at Buyer's

expense.  To facilitate this physical inventory count employees

of the B-Line Business shall perform customary pre-counts and

other preparation prior to the Closing Date.  Sellers shall have

the right to have their employees or representatives observe such

physical inventory.  Inventory will be revalued prior to the

Closing Date as a result of updating standard costs in a manner

consistent with past practices of the B-Line Business; provided,

however, that in no event will such revaluation exceed $1 million

for purposes of the Adjusted Consolidated Valuation.  Obsolete

inventory reserves shall be determined using the normal practice

of the B-Line Business (pursuant to which the reserve for "C"

item inventory is valued at 13 1/2% of the standard cost of such

inventory items and the reserve for "D" Item inventory is valued

at 90% of the standard cost of such inventory items); provided

that the obsolete inventory reserve will not be reduced from the

amount of such reserve as reflected on the Audited Financial

Statements as of December 31, 1999.  Excess inventory

adjustments, if any, shall be determined in accordance with the

following schedule (for purposes of which "Base Units" of any

item of inventory shall be the quantities of such items used or

sold during the preceding 12 months):



          Items for which inventory is equal to
          or less than 1.5 times Base Units       No adjustment



          Items for which inventory
          is greater than 1.5 Base Units, but
          equal to or less than 2.0 times
          Base Units                              Such inventory items
                                                  will be valued at 50%
                                                  of standard cost


          Items for which inventory is
          greater than 2.0 times Base Units       Such inventory items
                                                  will be valued at 0%
                                                  of standard cost


          There will be no adjustment for new products introduced
          during the preceding 12 months, or for custom inventory
          which is being made to satisfy a specific customer
          order.

         1.3.3.    The Preliminary Consolidation Valuation does

not and the Adjusted Consolidated Valuation will not include any

amount payable to or receivable from any Seller or any affiliate

of any Seller.

          1.3.4.    The Adjusted Consolidated Valuation will

reflect the results of a fixed asset physical existence test of

tangible fixed assets with a net book value greater than $20,000

to be conducted immediately following Closing.  Intangibles

capitalized as fixed assets will not be included in such physical

existence test, but to the extent they represent new assets

recorded since December 31, 1999 with a net book value greater

than $20,000 or assets the net book value of which increased by

more than $20,000 since such date, their existence shall be

confirmed by review of the applicable supporting documentation.

The net book value of fixed assets greater than $20,000 which

cannot be physically located or so confirmed will be excluded

from the Adjusted Consolidated Valuation.  Such fixed asset

physical existence and confirmation tests shall be conducted by

employees or representatives of the Buyer and at its expense.

Sellers shall have the right to have their employees or

representatives observe such test.  In the event any assets so

excluded are subsequently physically located or so confirmed

within 12 months following Closing, the net book value thereof

plus interest calculated as provided in Section 2.4 of the

Agreement shall be paid to Seller.

          1.3.5.    The Preliminary Consolidated Valuation does

not and the Adjusted Consolidated Valuation will not include any

liabilities or assets with respect to legal, accounting, tax or

investment banking fees incurred by Sellers in connection with

the transaction provided for the Agreement.

          1.3.6.    The Adjusted Consolidated Valuation will not

include any prepaid expenses, deposits or deferred charges that

are not recoverable in cash or do not provide a direct and

measurable benefit to Buyer.

          1.3.7     The Preliminary Consolidated Valuation does

not and the Adjusted Consolidated Valuation will not include

accounts payable which represent checks written on bank accounts

not included in the Assets.

          1.3.8     In the Adjusted Consolidated Valuation, the

following accruals will not be decreased from the amounts

included in the Preliminary Consolidated Valuation except to the

extent of amounts paid in cash to third parties between January

1, 2000 and the Effective Time:

                   Wages and Vacation
                   Salesmen Bonus
                   Real Estate Taxes
                   Sales Incentive Credits
                   Commissions
                   Fringes and Other Accruals
                   Allowance for Bad Debt
                   Reserve for Credit Memos

          1.3.9     The Adjusted Consolidated Valuation shall

include an accrual for the retiree welfare benefits liability,

responsibility for which is being assumed by Buyer as provided in

Section 7.2(b).  Such accrual shall equal the aggregate

actuarially determined accrual for such benefits allocable to the

Current Employees who became employees of Buyer following the

Effective Time (other than any such Current Employees whose

benefits Sellers have retained responsibility for as provided in

Section 7.2(b)), as reflected on the books of SIAL as of

December 31, 1999 in accordance with FAS 107.

          1.3.10    To the extent not covered by this proceeding

subsections of this Section 1.3, the Preliminary Consolidated

Valuation does not and the Adjusted Consolidation Valuation will

not include any Excluded Assets or Excluded Liabilities.




                         April 29, 2000

Cooper Industries, Inc.
CBL Acquisition Corp.
Cooper Technologies Company
600 Travis, Suite 5800
Houston, TX 77002

     Re:  First Amendment to the Sale and Purchase Agreement
          Relating to the B-Line Business

Gentlemen:

     This letter agreement ("First Amendment") is being entered
into as an amendment to that certain Sale and Purchase Agreement
(the "Agreement") dated March 27, 2000 by and among Sigma-Aldrich
Corp., a Delaware corporation ("SIAL"), Sigma-Aldrich Co., an
Illinois corporation ("SAC"), Sigma-Aldrich Canada Ltd., a
corporation organized under the laws of Canada ("Sigma Canada"),
Sigma-Aldrich Company Ltd., a corporation organized under the
laws of the United Kingdom ("Sigma UK"), Sigma-Aldrich Chemie
GmbH, a corporation organized under the laws of Germany ("Sigma
Germany"), Cooper Industries, Inc., an Ohio corporation
("Cooper"), CBL Acquisition Corp., a Delaware corporation ("CBL")
and Cooper Technologies Company, a Delaware Corporation ("CTC",
and with SIAL, SAC, Sigma Canada, Sigma UK, Sigma Germany, Cooper
and CBL, the "Parties").  Any capitalized terms used and not
defined herein shall have the meanings set forth in the
Agreement.

     Section 1. Notwithstanding Section 1.3, clause (a), of the
Agreement and paragraph 1.3.7 of Schedule 2.2(a) to the
Agreement, the Parties agree that: (i) cash in the B-Line
Business and bank accounts ("B-Line Bank Accounts") used
exclusively in the B-Line Business as of the Effective Time shall
be an Asset and not an Excluded Asset; and (ii) the accounts
payable which represent checks written on the B-Line Bank
Accounts as of the Effective Time will be included as an Assumed
Liability, and both amounts as of the Effective Time will be
included in the Adjusted Consolidated Valuation.

     Section 2. Notwithstanding paragraph 1.3.2 of Schedule
2.2(a) to the Agreement, (i) there shall be no excess inventory
adjustment for the items of inventory listed on Exhibit A, which
is attached hereto and made a part hereof, and (ii) the excess
inventory adjustment for the items of inventory listed on Exhibit
B, which is attached hereto and made a part hereof, shall be
reduced by fifty percent (50%).

     Section 3. The Parties currently contemplate a Closing Date
of May 1, 2000 and agree that, notwithstanding paragraph 1.3.2 of
Schedule 2.2(a) to the Agreement, the physical inventory shall be
performed prior to Closing on April 28 and 29 and, to the extent
necessary, on April 30, 2000.  In consideration of such
agreement, Buyer agrees that (i) the Preliminary Purchase Price
shall be increased by $199,600 to compensate Sellers for halting
the shipment of products while the physical inventory is being
conducted, and (ii) Buyer will reimburse SIAL on behalf of
Sellers for the hourly wages of Sellers' employees required to
perform the physical inventory at facilities operated by Sellers'
employees upon invoice from SIAL after the Closing Date, which
invoice shall be due and payable 30 days after receipt, itemized
and accompanied by supporting information and documentation to
Buyer's reasonable satisfaction.

     Section 4. This First Amendment shall be binding upon the
transferees, successors, assigns and legal representatives of the
Parties and shall be subject to the terms and conditions of the
Agreement. The Agreement and the Ancillary Agreements shall,
except as modified by this First Amendment, be and remain in full
force and effect enforceable in accordance with their respective
terms. All references to the Agreement or the Ancillary
Agreements that are contained in the Agreement or the Ancillary
Agreements, or any other document delivered in connection with
the consummation of the transactions contemplated by the
Agreement, shall mean and refer to such Agreement or Ancillary
Agreements as amended by this First Amendment.

<PAGE>

     IN WITNESS WHEREOF, the Parties, by their duly authorized
officers, have caused this First Amendment to be executed as of
this 29th day of April, 2000

COOPER INDUSTRIES, INC.        SIGMA-ALDRICH CORPORATION
By:_\c\ Diane K Schumacher     By: \c\ Michael R. Hogan
Name: Diane K. Schumacher      Name: Michael R. Hogan
Title: Senior Vice President,  Title: Chief Financial Officer
General Counsel     and
Secretary

SIGMA-ALDRICH CANADA LTD.      SIGMA-ALDRICH CO.

By: \c\ Michael R. Hogan       By: \c\ Michael R. Hogan
Name: Michael R. Hogan         Name: Michael R. Hogan
Title: Authorized Signatory    Title Authorized Signatory

SIGMA-ALDRICH COMPANY LTD.     SIGMA-ALDRICH CHEMIE GMBH

By: \c\ Michael R. Hogan       By: \c\ Michael R. Hogan
Name: Michael R. Hogan         Name: Michael R. Hogan
Title: Authorized Signatory    Title Authorized Signatory

CBL ACQUISITION CORP.          COOPER TECHNOLOGIES COMPANY

By: \c\ Diane K Schumacher     By: \c\ David A White, JR
Name: Diane K. Schumacher      Name: David A. White, JR
Title: President               Title: Vice President



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