ZEMEX CORP
8-K, 2000-03-09
MINING & QUARRYING OF NONMETALLIC MINERALS (NO FUELS)
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<PAGE>   1






                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                             ----------------------

                                    FORM 8-K


                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(D) OF THE
                         SECURITIES EXCHANGE ACT OF 1934



         Date of Report (Date of earliest event reported): MARCH 6, 2000



                                ZEMEX CORPORATION
               (Exact Name of Registrant as Specified in Charter)


         DELAWARE                      1-228                   13-5496920
(State or Other Jurisdiction        (Commission               (IRS Employer
      of Incorporation)             File Number)          Identification Number)


         CANADA TRUST TOWER, BCE PLACE
           161 BAY STREET, SUITE 3750                           M5J 2S1
            TORONTO, ONTARIO, CANADA
    (Address of Principal Executive Offices)                  (Zip Code)


Registrants' telephone number, including area code: (416) 365-8080





<PAGE>   2


                    INFORMATION TO BE INCLUDED IN THE REPORT

ITEM 5.      OTHER EVENTS.

            On March 6, 2000, Zemex Corporation ("Zemex") and Hoganas AB
announced the execution of a Stock Purchase Agreement whereby Zemex will sell
its metal powders division to Hoganas AB for approximately $41 million, subject
to purchase price adjustments. Under the terms of the agreement,Zemex U.S.
Corporation ("Zemex U.S.") a wholly owned subsidiary of Zemex, will sell to
North American Hoganas Holdings, Inc., a wholly-owned subsidiary of Hoganas AB,
all of the outstanding shares of common stock of Zemex U.S.'s wholly owned
subsidiaries, Pyron Corporation and Pyron Metal Powders, Inc. The transaction is
subject to certain closing conditions, including the approval of regulatory
agencies.



<PAGE>   3


                                    SIGNATURE


         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 hereunto duly authorized.


                                         ZEMEX CORPORATION


Dated:  March 9, 2000                    By:    /s/  Allen J. Palmiere
                                            ------------------------------------
                                            Allen J. Palmiere
                                            Vice President and Chief Financial
                                            Officer



<PAGE>   4


                                  EXHIBIT INDEX

Exhibit
Number                            Description

 2.1          Stock Purchase Agreement by and between Hoganas North America,
              Inc., Zemex U.S. Corporation, Pyron Corporation and Pyron Metal
              Powders, Inc. Dated March 6, 2000.

 99.1         Press Release, March 6, 2000, entitled "Zemex Announces Sale of
              its Metal Powders Division."





<PAGE>   1
                                                                     Exhibit 2.1






                            STOCK PURCHASE AGREEMENT


                                 BY AND BETWEEN

                      NORTH AMERICAN HOGANAS HOLDINGS, INC.
                                     (BUYER)

                             ZEMEX U.S. CORPORATION
                                    (SELLER)

                                PYRON CORPORATION
                                     (PYRON)

                                       AND

                            PYRON METAL POWDERS, INC.
                                 (METAL POWDERS)








                            DATED AS OF MARCH 6, 2000
<PAGE>   2



                            STOCK PURCHASE AGREEMENT


                  This STOCK PURCHASE AGREEMENT (this "AGREEMENT") is entered
into as of the 6th day of March, 2000, by and between NORTH AMERICAN HOGANAS
HOLDINGS, INC., a Delaware corporation (the "BUYER"), ZEMEX U.S. CORPORATION, a
Delaware corporation (the "SELLER"), PYRON CORPORATION, a New York corporation
("PYRON"), and PYRON METAL POWDERS, INC., a Delaware corporation ("METAL
POWDERS"). The Buyer and the Seller are referred to herein collectively as the
"PARTIES" and each individually as a "PARTY." Pyron and Metal Powders are
referred to herein collectively as the "COMPANIES" and each individually as a
"COMPANY." The Parties and the Companies are referred to herein collectively as
the "CONTRACT PARTIES" and each individually as a "CONTRACT PARTY."

                  The Seller owns all of the outstanding capital stock of each
of the Companies. This Agreement contemplates the purchase and sale of all of
the outstanding capital stock of each of the Companies.

                  Now, therefore, in consideration of the premises and the
mutual covenants made herein, and for other good and valuable consideration, the
adequacy and receipt of which are hereby acknowledged by each Contract Party,
the Contract Parties hereby agree as follows:

                                1. DEFINITIONS.

                  In addition to the matters relating to construction of the
terms of this Agreement set forth in Section 10(j), the following terms have the
meanings set forth below:

                  "ACUPOWDER" means ACuPowder International, LLC, a New Jersey
limited liability company.

                  "ACUPOWDER CONFIDENTIALITY AGREEMENT" means he confidentiality
agreement dated as of October 21, 1999 between ACuPowder and BAS on behalf of
Zemex Corporation.

                  "ADJUSTED PURCHASE PRICE" means the Base Purchase Price as
adjusted pursuant to Section 2(c) and Section 2(g), as and to the extent that
such Purchase Price Adjustments are applicable.
<PAGE>   3


                  "AFFILIATE" has the meaning set forth in Rule 12b-2 of the
regulations promulgated under the Securities Exchange Act of 1934, as amended.

                  "AFFILIATED GROUP" means any affiliated group within the
meaning of section 1504(a) of the Code, or any similar group defined under a
similar provision of state, local or foreign law, of which the Seller or any
Other Affiliate is a member.

                  "AUDITED BALANCE SHEET" has the meaning set forth in Section
2(c)(i).

                  "BAS" means Banc of America Securities LLC, as representative
of the Seller.

                  "BASE PURCHASE PRICE" has the meaning set forth in Section
2(b).

                  "BUSINESS" means the business of manufacturing, marketing,
selling and distributing ferrous and non-ferrous powders, and additives
therefor, for the friction and powder metallurgy industries.

                  "BUSINESS DAY" means any day except a Saturday, Sunday or
other day in which commercial banks in New York City, New York are required or
authorized by law to close and, if the applicable Business Day relates to the
LIBO Rate, any day on which dealings are carried on in the London interbank
market.

                  "BUSINESS LIABILITIES" means any loss, liability, damage or
expense relating to the assets, businesses, operations, conduct, products or
employees (including former employees) of the Companies, regardless of the
availability of insurance coverage with respect thereto.

                  "BUYER" has the meaning set forth in the heading of this
Agreement.

                  "BUYER'S AUDITORS" means Arthur Andersen.

                  "BUYER'S CONFIDENTIAL INFORMATION" has the meaning set forth
in Section 5(l)(iii).

                  "BUYER INDEMNITEE" has the meaning set forth in Section 7(b).

                  "CLOSING" has the meaning set forth in Section 2(d).

                  "CLOSING DATE" has the meaning set forth in Section 2(d).

                  "CLOSING ADJUSTMENT DISPUTE" has the meaning set forth in
Section 2(f).






                                      -2-
<PAGE>   4



                  "CLOSING ADJUSTMENT DISPUTE NOTICE" has the meaning set forth
in Section 2(f).

                  "CLOSING ADJUSTMENT FINALITY DATE" has the meaning set forth
in Section 2(f).

                  "CLOSING DATE INTEREST PAYMENT" has the meaning set forth in
Section 2(d).

                  "CLOSING PURCHASE PRICE" has the meaning set forth in Section
2(b).

                  "CODE" means the Internal Revenue Code of 1986, as amended.

                  "COMPANY" and "COMPANIES" have the respective meanings set
forth in the heading of this Agreement.

                  "COMPANY EMPLOYEE" has the meaning set forth in Section
4(f)(i).

                  "CONFIDENTIAL INFORMATION" means all confidential information
and trade secrets of the Seller, each of the Companies and their Affiliates and
all other information concerning the Seller, the Companies, their Affiliates and
their respective businesses, operations, products, assets, liabilities,
financial condition, plans and prospects, which information is not generally
available to the public at the time that it is disclosed or becomes known to the
Buyer or an agent or representative of the Buyer, including the identity, lists
or descriptions of any customers, referral sources or organizations; financial
statements, cost reports or other financial information; contract proposals, or
bidding information; business plans and training and operations methods and
manuals; personnel records; fee structure; manufacturing processes and
production methods; product development plans; and management systems, policies
or procedures, including related forms and manuals; provided, however, that the
term "Confidential Information" shall not include information that (i)
subsequently becomes publicly available other than as a direct or indirect
result of disclosure by the Buyer or any representative or agent of the Buyer or
(ii) becomes available to the Buyer or any representative or agent of the Buyer
on a nonconfidential basis from a source (other than the Seller, a Company or
any representative or agent of the foregoing) that is not subject to any legal,
contractual or fiduciary restriction on disclosing such information to the Buyer
or such representative or agent of the Buyer.

                  "CONFIDENTIALITY AGREEMENT" means the confidentiality
agreement dated December 9, 1999 between the Buyer and BAS on behalf of Zemex
Corporation.



                                      -3-
<PAGE>   5


                  "CONSOLIDATED TAX RETURN" means any consolidated, combined or
other similar group Tax Return on which an Affiliated Group reports Federal
Income Tax for the members of such Affiliated Group.

                  "CONTRACT PARTIES" and "CONTRACT PARTY" have the respective
meanings set forth in the heading of this Agreement.

                  "CURRENT EMPLOYEE" AND "CURRENT EMPLOYEES have the respective
meanings set forth in Section 5(n)(i)(A).

                  "DESCRIPTIVE MATERIALS" has the meaning set forth in Section
10(l).

                  "DISCLOSURE SCHEDULE" has the meaning set forth in the first
paragraph of Section 4.

                  "DISPUTE NOTICE DEADLINE" has the meaning set forth in Section
2(f).

                  "DISPUTES AUDITOR" means KPMG LLP (Philadelphia Office) or any
other independent certified public accounting firm mutually agreed upon by the
Seller and the Buyer.

                  "DOJ" means the Antitrust Division of the United States
Department of Justice or any successor Governmental Body.

                  "EFFECTIVE DATE" means 12:01 A.M. on January 1, 2000.

                  "EMPLOYEE BENEFIT PLAN" means any (a) nonqualified deferred
compensation or retirement plan or arrangement which is an Employee Pension
Benefit Plan, (b) qualified defined contribution retirement plan or arrangement
which is an Employee Pension Benefit Plan, (c) qualified defined benefit
retirement plan or arrangement which is an Employee Pension Benefit Plan
(including any Multiemployer Plan), or (d) Employee Welfare Benefit Plan or
Material fringe benefit plan or program.

                  "EMPLOYEE PENSION BENEFIT PLAN" has the meaning set forth in
Section 3(2) of ERISA.

                  "EMPLOYEE WELFARE BENEFIT PLAN" has the meaning set forth in
Section 3(1) of ERISA.

                  "ENVIRONMENTAL INSURANCE" has the meaning set forth in Section
5(s).

                  "ENVIRONMENTAL LAWS" means any Laws relating to pollution or
protection of the environment as in effect on the date hereof, including all
such





                                      -4-
<PAGE>   6


Laws relating to the emission, discharge, release or threatened release of any
chemicals, petroleum, pollutants, contaminants or hazardous or toxic materials,
substances or wastes into ambient air, surface water, groundwater or lands or
otherwise relating to the manufacture, processing, distribution, use, treatment
storage, disposal transport or handling of any chemicals, petroleum, pollutants,
contaminants or hazardous or toxic materials, substances or wastes.

                  "EQUITABLE EXCEPTIONS" shall have the meaning set forth in
Section 3(a)(ii).

                  "ERISA" means the Employee Retirement Income Security Act of
1974, as amended.

                  "ESCROW AGENT" means Bank of America, N.A., in its capacity as
escrow agent under the Escrow Agreement or any successor designated and serving
as the Escrow Agent under the Escrow Agreement, in its capacity as such.

                  "ESCROW AGREEMENT" means the Escrow Agreement to be entered
into on the Closing Date by and among the Buyer, the Seller and the Escrow Agent
substantially in the form of Exhibit A hereto, as the same may thereafter be
amended from time to time in accordance with the terms thereof.

                  "ESCROW FUNDS" means as of a particular time, the aggregate
amount held in escrow by the Escrow Agent as of such time pursuant to the Escrow
Agreement (consisting initially of the portion of the Closing Purchase Price
deposited into escrow pursuant to Section 2(b)) including any interest or other
investment proceeds earned with respect to investment of amounts on deposit, and
net of any sums that the Escrow Agent has become obligated to pay to one of the
Parties under the terms of the Escrow Agreement (provided, however, that nothing
in this definition shall limit or otherwise affect the Parties' respective
obligations to pay the fees and expenses of the Escrow Agent pursuant to the
terms hereof and the Escrow Agreement).

                  "EXTRA TAXES" has the meaning set forth in Section 5(t)(ii).

                  "FEDERAL INCOME TAX" means any liability for Taxes imposed on
the income of a corporation under the Code or any superseding federal corporate
income tax legislation and/or regulations hereafter enacted and in effect in the
United States of America.

                  "FIDUCIARY" has the meaning set forth in Section 3(21) of
ERISA.

                  "FTC" means the United States Federal Trade Commission or any
successor Governmental Body.




                                      -5-
<PAGE>   7



                  "GAAP" means accounting principles generally accepted in the
United States of America.

                  "GOVERNMENTAL BODY" means any federal, state, county, city,
town, village, municipal, foreign or other governmental department, commission,
board, bureau, agency, authority or instrumentality.

                  "HSR ACT" means the Hart-Scott-Rodino Antitrust Improvements
Act of 1976, as amended.

                  "INDEMNITEE" means any Buyer Indemnitee, in the case of the
Seller as Indemnitor, or any Seller Indemnitee, in the case of the Buyer as
Indemnitor.

                  "INDEMNITOR" means, as the context requires, either (i) the
Seller, with respect to the Seller's obligations and rights as the indemnifying
Party under Section 7, or (ii) the Buyer, with respect to the Buyer's
obligations and rights as the indemnifying Party under Section 7.

                  "INSURED REPRESENTATION AND WARRANTY" and "INSURED
REPRESENTATIONS AND WARRANTIES" have the respective meanings set forth in
Section 5(s).

                  "INTERCOMPANY" with respect to a transaction, account,
agreement, obligation (and corresponding right) or arrangement, means a
transaction, account, agreement, obligation (and corresponding right) or
arrangement, as the case may be, between (i) one of the Companies, on the one
hand, and (ii) the Seller or any Other Affiliate, on the other hand.

                  "INTEREST ADJUSTMENT PAYMENT" has the meaning set forth in
Section 2(d).

                  "LAWS" means all laws, statutes, codes, rules, regulations,
ordinances and similar promulgations of any Governmental Body.

                  "LIABILITY" means any liability, debt, obligation, amount or
sum due (whether known or unknown, whether absolute or contingent, whether
liquidated or unliquidated, and whether due or to become due), including any
liability for Taxes.

                  "LIBO RATE" means the rate shown on the "Reuters Screen LIBO
Page" as the average one month (1M) rate (or other designation for the
arithmetic mean of the offered rates for deposits in United States Dollars
having a tenor of thirty (30) days) at approximately 11:00 A.M. (London time) on
February 1, 2000 and on the first day following each successive period of 30
days thereafter (or if any such first day is not a Business Day, then the next
succeeding Business Day) (each,





                                      -6-
<PAGE>   8



a "RATE RESET DATE"). Each change in the LIBO Rate shall become effective as of
the opening of business on each Rate Reset Date. The initial LIBO Rate (i.e., as
of February 1, 2000) is hereby stipulated to be 5.90813%.

                  "LOSS" means an actual, out-of-pocket loss or liability,
without deduction or offset for any Tax benefits resulting therefrom.

                  "MATERIAL" means, with respect to (a) a particular fact,
circumstance, occurrence, item or other matter, (b) a breach, default or
nonperformance of any agreement, covenant or warranty or (c) an inaccuracy of
any representation, that (i) the existence (if such existence is disclaimed) or
the nonexistence (if the existence thereof is claimed) of such fact,
circumstance, occurrence, item or matter, (ii) the particular breach, default or
nonperformance of such agreement, covenant or warranty, or (iii) the actual
facts or circumstances that make the representation inaccurate, as the case may
be, have a Material Adverse Effect; and the phrases "IN ANY MATERIAL RESPECT"
and "IN ALL MATERIAL RESPECTS" mean in such respect or respects as would, if not
the case, have a Material Adverse Effect.

                  "MATERIAL ADVERSE EFFECT" means a material adverse effect on
the Business, assets, liabilities, financial condition, operations or results of
operations of the Companies taken as a whole.

                  "METAL POWDERS" has the meaning set forth in the heading of
this Agreement.

                  "METAL POWDERS SHARES" means all outstanding shares of the
Common Stock, par value US$0.01 per share, of Metal Powders.

                  "MULTIEMPLOYER PLAN" has the meaning set forth in Section
3(37) of ERISA.

                  "NET ASSETS OF THE COMPANIES" means the amount equal to: (i)
the amount of "Shareholders Equity," plus (ii) the amount (treated for such
purpose as a positive number) of all Intercompany debt owed by the Companies,
and minus (iii) the amount of all Intercompany debt owed to the Companies; in
the case of each amount referred to in clause (i), (ii) and (iii) above, as such
amount would be reported on, reflected in or determined for purposes of a
consolidated divisional balance sheet for the Companies as of December 31, 1999
prepared in accordance with GAAP applying the accounting principles and methods
set forth in Annex III.

                  "NET ASSETS REFERENCE AMOUNT" means Twenty-One Million Seven
Hundred Twenty-Five Thousand Nine Hundred Fifty United States Dollars
(US$21,725,950).



                                      -7-
<PAGE>   9



                  "NIAGARA FALLS FACILITY" means Pyron's facility located in
Niagara Falls, New York.

                  "ORDER" means any order, writ, injunction, decree, judgment,
award, determination or written direction of any court, arbitrator or
Governmental Body.

                  "ORDINARY COURSE OF BUSINESS" means the ordinary course of the
Business as conducted by one or both of the Companies, consistent with the past
custom and practice (including with respect to quantity and frequency) of such
Company or the Companies (as the case may be).

                  "OTHER AFFILIATES" means Affiliates of the Seller other than
the Companies.

                  "OTHER TAX" means any Tax payable by either Company, or in
respect of either Company or any of its assets or operations, in each case,
other than Federal Income Tax.

                  "OTHER TAX RETURN" means any Tax Return relating to any Other
Tax liability in respect of either Company or any of its assets or operations.

                  "OVERLAP TAX PERIOD" has the meaning set forth in Section
5(k)(ii).

                  "PARTIES" and "PARTY" have the respective meanings set forth
in the heading of this Agreement.

                  "PATENT" means "U.S. Patent No. 5,768,678: Manganese Sulfide
Composition And Its Method Of Production."

                  "PBGC" means the Pension Benefit Guaranty Corporation.

                  "PERMITTED LIEN" means (i) any Security Interest for which the
underlying liability is disclosed on the Audited Balance Sheet or the schedule
of liabilities attached thereto, (ii) any Security Interest for Taxes not yet
due or being contested diligently and in good faith by appropriate proceedings
or (iii) any Security Interest which does not, in any Material respect, detract
from the value or interfere with the use of any material asset as used in the
Business by the Companies.

                  "PERSON" means an individual, corporation, partnership,
association, trust or other entity or organization, including a Governmental
Body or an agency or instrumentality thereof.

                  "PLANS" has the meaning set forth in Section 4(g).




                                      -8-
<PAGE>   10


                  "PRE-CLOSING DATE TAX PERIOD" means any Tax period (or the
portion of any Tax period) beginning on the Effective Date and ending on the
Closing Date.

                  "PRE-CLOSING PERIOD" the period of time from and including
January 1, 2000 through and including the Closing Date.

                  "PRE-CLOSING PERIOD CONSOLIDATED RETURN" has the meaning set
forth in Section 5(k)(i)(A).

                  "PRE-CLOSING SELLER COSTS" means the sum of (i) the costs,
expenses and allocated charges of the types set forth on Annex IV incurred or
borne by the Seller or any Other Affiliates with respect to or for the benefit
of either of the Companies in respect of the Pre-Closing Period, as determined
in accordance with Annex IV, (ii) any and all amounts (including the book value
of any non-cash items) referred to in clause 5(b)(ii)(B)(z), and (iii) any
capital expenditures consented to by the Buyer pursuant to Section 5(b)(ii)(D).

                  "PRE-CLOSING SELLER COST STATEMENT" has the meaning set forth
in Section 2(c)(i).

                  "PRE-EFFECTIVE DATE TAX PERIOD" means any Tax period ending on
or prior to December 31, 1999.

                  "PRODUCTS" shall mean that group of products which has been
produced and/or sold by either Company or any predecessor thereof at any time
within six (6) years prior to the Effective Date.

                  "PROHIBITED TRANSACTION" has the meaning set forth in Section
406 of ERISA and section 4975 of the Code.

                  "PURCHASE PRICE ADJUSTMENT" means an adjustment to the Base
Purchase Price pursuant to Section 2(c) and Section 2(g).

                  "PYRON" has the meaning set forth in the heading of this
Agreement.

                  "PYRON PENSION PLAN" means The Retirement Income Plan for
Hourly Rated Employees of Pyron Corporation at Niagara Falls, New York which
became effective as of August 1, 1961, as thereafter amended and restated from
time to time.

                  "PYRON SHARES" means all outstanding shares of the Common
Stock, par value US$20 per share, of Pyron.

                  "R&W INSURANCE" has the meaning set forth in Section 5(s).





                                      -9-
<PAGE>   11


                  "REPORTABLE EVENT" has the meaning set forth in Section 4043
of ERISA.

                  "REVIEWED AUDITED BALANCE SHEET" has the meaning set forth in
Section 2(f).

                  "SECTION 338(h)(10) ELECTION" has the meaning set forth in
Section 5(r).

                  "SECURITIES ACT" means the Securities Act of 1933, as amended.

                  "SECURITY INTEREST" means any mortgage, pledge, security
interest, encumbrance, charge, or other lien, other than (a) mechanic's,
materialmen's and similar liens, (b) liens for Taxes not yet due and payable (or
for Taxes that the taxpayer is contesting diligently and in good faith through
appropriate proceedings), (c) liens arising under workers' compensation,
unemployment insurance, social security, retirement, and similar legislation,
(d) liens arising in connection with sales of foreign receivables, (e) liens on
goods in transit incurred pursuant to documentary letters of credit, (f)
purchase money liens and liens securing rental payments under capital lease
arrangements, and (g) other liens arising in the Ordinary Course of Business and
not incurred in connection with the borrowing of money.

                  "SELLER" has the meaning set forth in the heading of this
Agreement.

                  "SELLER GROUP" has the meaning set forth in Section 5(t)(ii).

                  "SELLER GROUP'S ORDINARY TAX COMPUTATION" has the meaning set
forth in Section 5(t)(ii).

                  "SELLER GROUP'S ORDINARY TAXES" has the meaning set forth in
Section 5(t)(ii).

                  "SELLER INDEMNITEE" has the meaning set forth in Section 7(c).

                  "SELLER'S AUDITORS" means Deloitte & Touche LLP

                  "SELLER'S CREDIT AGREEMENT" means the Credit Agreement dated
as of May 21, 1999 among Zemex Corporation, the Seller and Bank of America
Canada as Canadian Agent, Bank of America National Trust and Savings Association
as U.S. Agent, and the other financial institutions party thereto, together with
all other agreements, documents and instruments entered into in connection
therewith and any amendments, supplements or extensions of any of the foregoing.





                                      -10-
<PAGE>   12



                  "SELLER'S DB PLAN" means The Zemex Corporation Retirement
Pension Plan which became effective on January 1, 1954, as thereafter amended
and restated from time to time.

                  "SELLER'S DB PLAN SURPLUS AMOUNT" means the product of (i) the
amount by which the fair market value of the assets of the Seller's DB Plan as
of the Closing Date exceeds the liabilities of the Seller's DB Plan attributable
to the accrued benefits as of the Closing Date of all participants under the
Seller's DB Plan, multiplied by (ii) a fraction the numerator of which is the
aggregate amount of liabilities of the Seller's DB Plan attributable to the
accrued benefits as of the Closing Date of all Current Employees and the
denominator of which is the aggregate amount of liabilities of the Seller's DB
Plan attributable to the accrued benefits as of the Closing Date of all
participants under the Seller's DB Plan; as each of the amounts referred to in
clauses (i) and (ii) above shall be determined by the enrolled actuary for the
Seller's DB Plan using a discount rate of seven and three-fourths percent
(7.75%) and otherwise all applicable assumptions, methods and procedures
specified in the then most recent actuarial report for the Seller's DB Plan.

                  "SELLER'S INSURANCE POLICIES" has the meaning set forth in
Section 5(p).

                  "SELLER'S OVERLAP PORTION" has the meaning set forth in
Section 5(k)(ii).

                  "SELLER'S SECURED NOTES" means, collectively, the
US$35,000,000 aggregate principal amount of 7.54% Senior Secured Notes, Series
A, due May 21, 2009 of the Seller and the US$15,000,000 aggregate principal
amount of 7.75% Senior Secured Notes, Series B, due May 21, 2014 of the Seller,
together with all other agreements, documents and instruments entered into in
connection therewith and any amendments, supplements or extensions of any of the
foregoing.

                  "SHARES" means, collectively, all the Pyron Shares and the
Metal Powders Shares.

                  "SUBSIDIARY" means any corporation with respect to which
another specified corporation has the power to vote or direct the voting of
sufficient securities to elect a majority of the directors.

                  "SURVIVAL PERIOD" has the meaning set forth in Section 7(a).

                  "TAX" means any federal, state, local, or foreign income,
gross receipts, license, payroll, employment, excise, severance, stamp,
occupation, premium, windfall profits, environmental, customs duties, capital
stock, franchise, profits,







                                      -11-
<PAGE>   13



withholding, social security (or similar), unemployment, disability, real
property, personal property, sales, use, transfer, registration, value added,
alternative or add-on minimum, estimated, or other tax of any kind whatsoever,
including any interest, penalty or addition thereto.

                  "TAX ALLOCATION AGREEMENT" has the meaning set forth in
Section 5(k)(v).

                  "TAX CLAIM" has the meaning set forth in Section 5(t)(iv).

                  "TAX RETURN" means any return, declaration, report, claim for
refund, or information return or other filing or statement relating to Taxes,
including any schedules or attachments thereto, and including any amendments of
the foregoing.

                  "TENNESSEE FACILITIES" has the meaning set forth in Section
5(d)(i).

                  "THRESHOLD" has the meaning set forth in Section 7(d)(i).

                  "TRANSACTION INSURANCE" has the meaning set forth in Section
5(s).

                  "U.S. BRONZE" means United States Bronze Powders, Inc., a New
Jersey corporation.

                  "U.S. BRONZE CONFIDENTIALITY AGREEMENT" means the
confidentiality agreement dated as of November 1, 1999 between U.S. Bronze and
BAS on behalf of Zemex Corporation.

                  "ZEMEX CORPORATION" means Zemex Corporation, a corporation
established under the federal laws of Canada, which owns 100% of the issued and
outstanding capital stock of the Seller.

                  "ZEMEX STOCK PURCHASE PLAN" has the meaning set forth in
Section 5(n)(x).

                      2. PURCHASE AND SALE OF THE SHARES.

         (a) PURCHASE AND SALE. On and subject to the terms and conditions of
this Agreement, the Buyer agrees to purchase from the Seller, and the Seller
agrees to sell, all of the Shares for the consideration specified below in this
Section 2.

         (b) PURCHASE PRICE; PAYMENT. The purchase price for the Shares to be
purchased pursuant to the terms hereof shall be the sum of Forty Million Five
Hundred Seventy-Six Thousand United States Dollars (US$40,576,000) (the "BASE




                                      -12-
<PAGE>   14



PURCHASE PRICE"), which amount shall be subject to adjustment pursuant to
Section 2(c) and Section 2(g). The Base Purchase Price as adjusted pursuant to
clauses (A) and (B) of Section 2(c)(ii) (the "CLOSING PURCHASE PRICE") shall be
paid by the Buyer at the Closing in cash by wire transfer or delivery of other
immediately available funds as follows: (i) ninety percent (90%) of the Closing
Purchase Price shall be paid to the Seller, to an account or accounts designated
by the Seller not less than one (1) Business Day prior to the Closing Date, and
(ii) ten percent (10%) of the Closing Purchase Price shall be paid to the Escrow
Agent, to the account designated by the Escrow Agent pursuant to the Escrow
Agreement, to be held in escrow, invested and disbursed by the Escrow Agent in
accordance with the terms and conditions of the Escrow Agreement. Any further
adjustments to the Base Purchase Price shall be made and paid in accordance with
the applicable provisions of Section 2(g) and Section 2(h). All fees and
expenses of the Escrow Agent and all other costs associated with the escrow
arrangement thereunder shall be borne and paid by the Buyer and the Seller in
equal shares.

         (c) CLOSING PURCHASE PRICE.

                  (i) As soon as practicable after the execution and delivery of
         this Agreement by the Contract Parties, but in no event later than five
         (5) days prior to the Closing Date, the Seller shall cause a
         consolidated divisional balance sheet for the Companies as at December
         31, 1999 to be prepared in accordance with GAAP, applying the
         accounting policies and methods set forth on Annex III, shall cause
         such balance sheet to be audited by the Seller's Auditors pursuant to a
         special audit procedure relating to such balance sheet and shall cause
         such audited balance sheet to be delivered to the Seller, together with
         a report of the Seller's Auditors with respect thereto, which report
         shall be unqualified except to the extent of any customary limitations
         stated therein in connection with the limited scope of such special
         audit procedure (such audited balance sheet and auditors' report being
         referred to herein collectively as the "AUDITED BALANCE SHEET"). The
         Seller shall cause the Audited Balance Sheet to be delivered to the
         Buyer within one (1) Business Day after the Seller's receipt thereof.
         By no later than two (2) Business Days prior to the Closing Date, the
         Seller shall deliver to the Buyer a statement (which may include
         accruals for amounts not yet incurred) setting forth the nature and
         amount of each Pre-Closing Seller Cost (the "PRE-CLOSING SELLER COST
         STATEMENT").

                  (ii) At the Closing, the Base Purchase Price shall be adjusted
         on a dollar-for-dollar basis as follows: (A) if the amount of the Net
         Assets of the Companies as reflected on the Audited Balance Sheet
         exceeds the Net Assets Reference Amount, the Base Purchase Price shall
         be increased by the amount








                                      -13-
<PAGE>   15


         of such excess, and if the Net Assets Reference Amount exceeds the
         amount of the Net Assets of the Companies as reflected on the Audited
         Balance Sheet, the Base Purchase Price shall be reduced by the amount
         of such excess, and (B) the Base Purchase Price as adjusted pursuant to
         clause (A) above shall be increased by the aggregate amount of the
         Pre-Closing Seller Costs set forth on the Pre-Closing Seller Cost
         Statement.

         (d) THE CLOSING; PAYMENT OF INTEREST ON PURCHASE PRICE.

                  (i) The Closing. The closing of the transactions contemplated
         by this Agreement (the "CLOSING") shall take place at the offices of
         Hogan & Hartson, L.L.P. in New York, New York commencing at 9:00 a.m.,
         local time on the first Business Day following the satisfaction or
         waiver of all conditions to the obligations of the Parties to
         consummate the transactions contemplated hereby, or such other date as
         the Buyer and the Seller may mutually determine (the "CLOSING DATE"),
         and be deemed by the Buyer and the Seller for accounting purposes to be
         effective as of the Effective Date.

                  (ii) Payment of Interest on Purchase Price. The Buyer shall
         pay to the Seller at the Closing interest on the Closing Purchase Price
         for the period from and including February 1, 2000 through and
         including the Closing Date at the LIBO Rate (the "CLOSING DATE INTEREST
         PAYMENT"). On the payment date for any Purchase Price Adjustment
         pursuant to Section 2(g), interest shall be computed on the amount of
         such Purchase Price Adjustment for the period from and including
         February 1, 2000 through and including such payment date at the LIBO
         Rate based on the actual number of days elapsed (in each case, an
         "INTEREST ADJUSTMENT PAYMENT"), and the Party entitled to receive such
         Purchase Price Adjustment shall also be entitled to receive the
         Interest Adjustment Payment with respect thereto at the same time as it
         receives such Purchase Price Adjustment. If such Purchase Price
         Adjustment is due to the Buyer, the Parties hereby agree promptly to
         deliver notices under the Escrow Agreement directing the Escrow Agent
         to disburse such Purchase Price Adjustment and the related Interest
         Adjustment Payment to the Buyer, to the extent that the Escrow Funds at
         such time are sufficient for payment of such Purchase Price Adjustment
         and Interest Adjustment Payment. If the Escrow Funds are insufficient
         to pay in full the aggregate amount of such Purchase Price Adjustment
         and related Interest Adjustment Payment, the Seller shall pay the
         amount of such insufficiency to the Buyer in accordance with Section
         2(h). If such Purchase Price Adjustment is due to the Seller, the Buyer
         shall pay the amount of such Purchase Price Adjustment and the related
         Interest Adjustment Payment to the Seller in accordance with Section
         2(h).




                                      -14-
<PAGE>   16


         (e) DELIVERIES AT THE CLOSING. At the Closing, (i) the Seller shall
deliver to the Buyer the various certificates, instruments and documents
referred to in Section 6(a) that are to be delivered by the Seller, (ii) the
Buyer shall deliver to the Seller the various certificates, instruments and
documents referred to in Section 6(b) that are to be delivered by the Buyer,
(iii) the Seller shall deliver stock certificates representing all of the
Shares, endorsed in blank or accompanied by duly executed stock powers or other
assignment documents with the name of the transferee left blank, (iv) the Buyer
shall deliver to the Seller and the Escrow Agent the Closing Purchase Price in
the respective amounts provided in Section 2(c), and (v) the Buyer shall deliver
to the Seller the Closing Date Interest Payment (if any).

         (f) REVIEW OF AUDITED BALANCE SHEET AND PRE-CLOSING SELLER COST
STATEMENT. Following the delivery of each of the Audited Balance Sheet and the
Pre-Closing Seller Cost Statement to the Buyer, the Buyer and the Buyer's
Auditors may review the Audited Balance Sheet and the Pre-Closing Seller Cost
Statement (as the case may be) and the books and records of the Companies and,
upon reasonable advance notice and for reasonable periods of time during normal
business hours, may make inquiry of the representatives of the Seller's Auditors
and the Seller. The Audited Balance Sheet and the Pre-Closing Seller Cost
Statement shall each be binding and conclusive upon, and deemed accepted by, the
Buyer unless the Buyer shall have notified the Seller and the Escrow Agent in
writing on or prior to the date (the "DISPUTE NOTICE DEADLINE") that is the
later of (y) sixty (60) days after receipt of the Audited Balance Sheet or (z)
twenty (20) days after the Closing Date, of any objections thereto to the extent
that the Buyer believes in good faith that (i) with respect to the Audited
Balance Sheet, any information set forth therein is incorrect or (ii) with
respect to the Pre-Closing Seller Cost Statement, any information set forth
therein is not in accordance with the terms of this Agreement relating to the
Pre-Closing Seller Costs. Such notice shall specify in reasonable detail all
items that are being disputed and a summary of the reasons for such dispute and
shall only be given by the Buyer in the event that such dispute relates to items
aggregating in excess of US$5,000 (a "CLOSING ADJUSTMENT DISPUTE NOTICE"). In
the event of any such dispute with respect to which a Closing Adjustment Dispute
Notice shall have been given to the Seller and the Escrow Agent in accordance
with the immediately preceding two sentences (a "CLOSING ADJUSTMENT DISPUTE"),
the Seller shall be permitted to take positions that are different from
positions taken in (A) the Audited Balance Sheet, only with respect to any
accounts receivable and inventories understated or not reflected therein, and
(B) the Pre-Closing Seller Cost Statement, only with respect to accruals set
forth therein for Pre-Closing Seller Costs, where the aggregate amount actually
incurred by the Seller or the Other Affiliates in respect of such Pre-Closing
Seller Costs shall have exceeded the aggregate amount of such accruals. At the
request of either Party, any Closing Adjustment Dispute shall be referred to the




                                      -15-
<PAGE>   17



Disputes Auditor for decision, which decision shall be final and binding on, and
non-appealable by, the Parties (unless the Parties shall agree to a resolution
of such Closing Adjustment Dispute prior to the date on which the Disputes
Auditor renders its decision, in which case the Parties shall so notify the
Disputes Auditor in writing, and such agreement of the Parties shall be final
and binding on, and non-appealable by, the Parties). The Disputes Auditor shall
be engaged jointly by the Parties and shall be directed by the Parties to issue
a single written decision that covers and resolves all Closing Adjustment
Disputes that are referred to the Disputes Auditor and are not resolved by
mutual agreement of the Parties prior to issuance of such written decision. If
the decision of the Disputes Auditor affirms the position(s) taken by one of the
Parties in such Closing Adjustment Dispute(s) in all material respects, then the
fees and expenses of the Disputes Auditor shall be borne and paid entirely by
the other Party; in all other cases, such fees and expenses shall be borne and
paid in equal shares by both of the Parties. In the event of any dispute between
the Parties as to the application of the immediately preceding sentence, the
Disputes Auditor shall, promptly upon the request of either Party, resolve such
dispute and advise both Parties as to their respective obligations for such fees
and expenses in accordance with the terms of the immediately preceding sentence.
The Parties shall require the Disputes Auditor to deliver its written decision
to the Parties and the Escrow Agent within thirty (30) days after referral of
the Closing Adjustment Dispute(s) to the Disputes Auditor for decision pursuant
hereto. The Audited Balance Sheet and the Pre-Closing Seller Cost Statement
shall each become conclusive and binding on, and non-appealable by, the Parties
upon the date (the "CLOSING ADJUSTMENT FINALITY DATE") that is the earliest of
(A) the Dispute Notice Deadline, if no Closing Adjustment Dispute Notice is
delivered prior to the Dispute Notice Deadline in accordance with this Section
2(f), (B) the date on which the Seller and the Buyer agree upon a resolution to
any and all Closing Adjustment Disputes, and (C) the date on which the Disputes
Auditor shall notify the Parties in writing of its decision with respect to any
Closing Adjustment Dispute(s) not resolved by mutual agreement of the Parties.
The Audited Balance Sheet and the Pre-Closing Seller Cost Statement, upon each
becoming conclusive and binding on, and non-appealable by, the Parties (and
after giving effect to any modification thereof) in accordance with the
immediately preceding sentence, are referred to herein as the "REVIEWED AUDITED
BALANCE SHEET" and the "REVIEWED PRE-CLOSING SELLER COST STATEMENT,"
respectively.

         (g) PURCHASE PRICE ADJUSTMENTS BASED ON REVIEWED AUDITED BALANCE SHEET
AND REVIEWED PRE-CLOSING SELLER COST STATEMENT.

                  (i) In the event that the amount of Net Assets of the
         Companies as reflected on the Reviewed Audited Balance Sheet is less
         than the Net Assets of the Companies as reflected on the Audited
         Balance Sheet, the Parties shall




                                      -16-
<PAGE>   18



         promptly deliver notices under the Escrow Agreement directing the
         Escrow Agent to disburse to the Buyer, in accordance with the Escrow
         Agreement, the amount of such deficiency from the Escrow Funds as a
         Purchase Price Adjustment, together with the amount of any Interest
         Adjustment Payment relating thereto, to the extent that the Escrow
         Funds are sufficient for such payment. The Escrow Agreement shall
         provide that if the Escrow Funds are insufficient to pay in full the
         aggregate amount of such Purchase Price Adjustment and related Interest
         Adjustment Payment, the Escrow Agent shall promptly give notice thereof
         to the Parties, and in such case the Seller shall pay to the Buyer the
         amount of such insufficiency in accordance with paragraph (iii) of this
         Section 2(g). In the event that the amount of Net Assets of the
         Companies as reflected on the Reviewed Audited Balance Sheet exceeds
         the amount of Net Assets of the Companies as reflected on the Audited
         Balance Sheet, the Buyer shall pay the amount of such excess as a
         Purchase Price Adjustment, together with the amount of any Interest
         Adjustment Payment relating thereto, to the Seller in accordance with
         paragraph (iii) of this Section 2(g).

                  (ii) In the event that the total amount of Pre-Closing Seller
         Costs set forth on the Reviewed Pre-Closing Seller Cost Statement is
         less than the total amount of Pre-Closing Seller Costs set forth on the
         Pre-Closing Seller Cost Statement, the Parties shall promptly deliver
         notices under the Escrow Agreement directing the Escrow Agent to
         disburse to the Buyer, in accordance with the Escrow Agreement, the
         amount of such deficiency from the Escrow Funds as a Purchase Price
         Adjustment, together with the amount of any Interest Adjustment Payment
         relating thereto, to the extent that the Escrow Funds are sufficient
         for such payment. The Escrow Agreement shall provide that if the Escrow
         Funds are insufficient to pay in full the aggregate amount of such
         Purchase Price Adjustment and related Interest Adjustment Payment, the
         Escrow Agent shall promptly give notice thereof to the Parties, and in
         such case the Seller shall pay to the Buyer the amount of such
         insufficiency in accordance with paragraph (iii) of this Section 2(g).
         In the event that the total amount of Pre-Closing Seller Costs set
         forth on the Reviewed Pre-Closing Seller Cost Statement exceeds the
         total amount of Pre-Closing Seller Costs set forth on the Pre-Closing
         Seller Cost Statement, the Buyer shall pay the amount of such excess as
         a Purchase Price Adjustment, together with the amount of any Interest
         Adjustment Payment relating thereto, to the Seller in accordance with
         paragraph (iii) of this Section 2(g).

                  (iii) The Escrow Agreement shall provide that any Escrow Funds
         to be disbursed pursuant to paragraph (i) or (ii) of this Section 2(g)
         shall be disbursed by the Escrow Agent within five (5) Business Days of
         its receipt of the notices from the Parties referred to in such
         paragraph. Any amounts




                                      -17-
<PAGE>   19





         payable by a Party pursuant to paragraph (i) or (ii) of this Section
         2(g) shall be paid within fifteen (15) days after the Closing
         Adjustment Finality Date (or, if later, five (5) Business Days after
         the Seller's receipt of notice from the Escrow Agent that the Escrow
         Funds are insufficient to pay the full amount of a Purchase Price
         Adjustment due to the Buyer, in the case of an amount payable by the
         Seller pursuant to paragraph (i) or (ii) above). Any such payment by a
         Party shall be made in accordance with the terms set forth in Section
         2(h).

                  (iv) Any balance of Escrow Funds remaining after disbursement
         of the amounts (if any) payable pursuant to paragraphs (i) and (ii) of
         this Section 2(g), shall, immediately following such disbursement (and
         without any further notice or authorization from the Parties), be
         disbursed to the Seller, and the escrow arrangements under the Escrow
         Agreement shall be terminated, all in accordance with the terms of the
         Escrow Agreement. If no Closing Adjustment Dispute Notice shall have
         been given by the Buyer on or prior to the Dispute Notice Deadline in
         accordance with Section 2(f), all Escrow Funds shall, within five (5)
         Business Days after the Dispute Notice Deadline (and without any
         further notice or authorization from the Parties), be disbursed to the
         Seller, and the escrow arrangements under the Escrow Agreement shall be
         terminated, all in accordance with the terms of the Escrow Agreement.

         (h) GENERAL PROVISIONS REGARDING PURCHASE PRICE ADJUSTMENTS. Each
Purchase Price Adjustment shall each be made without duplication of any amount
included in any other Purchase Price Adjustment. Any Purchase Price Adjustment
and any Interest Adjustment Payment relating thereto shall be paid in cash, by
wire transfer to an account or accounts that shall be designated by the payee
not less than one (1) Business Day prior to the payment thereof. No purchase
price adjustment shall be made in respect of the funding status of the Pyron
Pension Plan or the Seller's DB Plan or in respect of any of the transactions
contemplated by Section 5(n).

         3. REPRESENTATIONS AND WARRANTIES CONCERNING THE TRANSACTION.

         (a) REPRESENTATIONS AND WARRANTIES OF SELLER. The Seller hereby
represents and warrants to the Buyer as follows on the date hereof and as of the
Closing Date:



                                      -18-
<PAGE>   20




         (i) ORGANIZATION OF THE SELLER. The Seller is a corporation duly
organized, validly existing, and in good standing under the laws of the
jurisdiction of its incorporation.

         (ii) AUTHORIZATION OF TRANSACTION. The Seller has the corporate power
and authority to execute and deliver this Agreement and the Escrow Agreement and
to perform its obligations hereunder and thereunder, and each of this Agreement
and, as of the Closing Date, the Escrow Agreement has been duly executed and
delivered by the Seller. Each of this Agreement and, as of the Closing Date, the
Escrow Agreement constitutes the valid and binding obligation of the Seller,
enforceable in accordance with its terms and conditions, except that (A) such
enforceability may be subject to bankruptcy, insolvency, reorganization,
moratorium or other laws, decisions and equitable principles now or hereafter in
effect relating to or affecting the enforcement of creditors' rights or debtors'
obligations generally, and to general equity principles, and (B) the remedy of
specific performance and injunctive and other forms of equitable relief may be
subject to equitable defenses and to the discretion of the court before which
any proceeding therefor may be brought (the terms of clause (A) and (B) are
sometimes collectively referred to as the "EQUITABLE EXCEPTIONS"). Except for
filings required by the HSR Act, the Seller need not give any notice to, make
any filing with, or obtain any authorization, consent, or approval of any
Governmental Body in order to consummate the transactions contemplated by this
Agreement.

         (iii) NONCONTRAVENTION. Except for approvals required under the HSR
Act, neither the execution and the delivery of this Agreement or the Escrow
Agreement by the Seller, nor the consummation of the transactions contemplated
hereby or thereby by the Seller, (A) violate any Law or Order or other
restriction of any Governmental Body to which the Seller is subject (B) conflict
with, result in a breach of, constitute a default under, result in the
acceleration of, create in any Person the right to accelerate, terminate,
modify, or cancel, or require any notice, approval or consent under any
contract, lease, sublease, license, sublicense, franchise, permit, indenture,
agreement or mortgage for borrowed money, instrument of indebtedness, Security
Interest, or other arrangement to which the Seller is a party or by which it is
bound or to which any of its assets is subject, except as set forth in Annex I
and except for such conflicts, breaches, defaults, accelerations and rights as
would not, and such notices and consents the failure to obtain which would not,
in the aggregate, materially adversely affect the Seller's ability to enter into
and perform the terms of this Agreement or the Escrow Agreement or the
enforceability or validity of this Agreement or the Escrow Agreement.







                                      -19-

<PAGE>   21

                  (IV) BROKER'S FEES. The Seller has no Liability to pay any
         fees or commissions to any broker, finder, or agent with respect to the
         transactions contemplated by this Agreement for which the Buyer will
         become liable or obligated.

         (b) REPRESENTATIONS AND WARRANTIES OF THE BUYER. The Buyer hereby
represents and warrants to the Seller as follows on the date hereof and as of
the Closing Date (and in the case of the representations and warranties set
forth in paragraph (vi) of this Section 3(b), at the each of the subsequent
times (if any) referred to therein):

                  (i) ORGANIZATION OF THE BUYER. The Buyer is a corporation duly
         organized, validly existing, and in good standing under the laws of
         Delaware.

                  (ii) AUTHORIZATION OF TRANSACTION. The Buyer has the corporate
         power and authority to execute and deliver this Agreement and the
         Escrow Agreement and to perform its obligations hereunder and
         thereunder, and each of this Agreement and as of the Closing Date, the
         Escrow Agreement has been duly executed and delivered by the Buyer.
         Each of this Agreement and, as of the Closing Date, the Escrow
         Agreement constitutes the valid and binding obligation of the Buyer,
         enforceable in accordance with its terms and conditions except for the
         Equitable Exceptions. Except for filings made under the HSR Act, the
         Buyer need not give any notice to, make any filing with, or obtain any
         authorization, consent, or approval of any Governmental Body in order
         to consummate the transactions contemplated by this Agreement.

                  (iii) NONCONTRAVENTION. Except for approvals required under
         the HSR Act, neither the execution and the delivery of this Agreement
         or the Escrow Agreement by the Buyer, nor the consummation of the
         transactions contemplated hereby or thereby by the Buyer, will (A)
         violate any Law or Order or other restriction of any Governmental Body
         to which the Buyer is subject or any provision of its organizational
         documents or (B) conflict with, result in a breach of, constitute a
         default under, result in the acceleration of, create in any Person the
         right to accelerate, terminate, modify, or cancel, or require any
         notice, approval or consent under any contract, lease, sublease,
         license, sublicense, franchise, permit, indenture, agreement or
         mortgage for borrowed money, instrument of indebtedness, Security
         Interest, or other arrangement to which the Buyer is a party or by
         which it is bound or to which any of its assets is subject, except as
         set forth on Annex II and except for such conflicts, breaches,
         defaults, accelerations and rights as would not, and such notices and
         consents the failure to obtain which would not in the aggregate,
         materially adversely affect the Buyer's ability to enter into and


                                      -20-
<PAGE>   22

         perform the terms of this Agreement or the Escrow Agreement or the
         enforceability or validity of this Agreement or the Escrow Agreement.

                  (iv) BROKERS' FEES. The Buyer has no Liability to pay any fees
         or commissions to any broker, finder, or agent with respect to the
         transactions contemplated by this Agreement for which the Seller will
         become liable or obligated.

                  (v) INVESTMENT. The Buyer is not acquiring the Shares with a
         view to or for sale in connection with any distribution thereof within
         the meaning of the Securities Act, except, as to the Metal Powders
         Shares, as contemplated with respect to ACuPowder or another, single
         third-party transferee thereof.

                  (vi) FINANCING. The Buyer has and shall have at the Closing,
         and at all times thereafter (if any) at which the Buyer is obligated to
         make a payment pursuant to the terms hereof, sufficient cash to pay the
         full Base Purchase Price (and any Purchase Price Adjustments) in
         accordance with the terms hereof and all other payments required to be
         made by it hereunder and to pay all of its related costs and expenses
         in connection with this Agreement and the transactions contemplated
         hereby.

                  (vii) EMPLOYEE MATTERS. The Buyer does not contemplate a plant
         closing involving, or mass layoffs of, employees of either of or both
         Companies, or any terminations that in the aggregate would constitute a
         mass layoff of employees of either or both of the Companies, within one
         year following the Closing Date.

         4.       REPRESENTATIONS AND WARRANTIES CONCERNING THE COMPANIES.

                  Subject to the specific qualifications and limitations set
forth herein, and except as set forth in the Disclosure Schedule attached to
this Agreement (as the same may be amended and supplemented from time to time in
accordance with Section 5(e), the "DISCLOSURE SCHEDULE") or in the Audited
Balance Sheet or the schedule of liabilities attached thereto, the Seller
represents and warrants to the Buyer as follows with respect to the Companies,
each such representation and warranty being made as of the Effective Date only,
except that (x) the representations and warranties set forth in Section 4(a)
(ownership of the Shares) are made as of the date hereof and as of the Closing
Date, (y) the representations and


                                      -21-
<PAGE>   23

warranties set forth in Section 4(i) (legal compliance) are made as of the
Effective Date and as of the Closing Date, and (z) the representations and
warranties set forth in Section 4(j) (operation of Companies during Pre-Closing
Period) are made as of the date hereof and as of the Closing Date:

         (a) THE SHARES. The Seller holds of record and owns beneficially all of
the Shares, free and clear of any liens or restrictions on transfer, options,
warrants, rights, contracts, calls, commitments, preemptive rights, and demands
(other than any restrictions under the Securities Act and state securities laws
and any liens, restrictions, rights and other such matters arising under or in
connection with the pledge of the Shares with respect to the Seller's Credit
Agreement and the Seller's Secured Notes and which are to be terminated at or
prior to the Closing pursuant to Section 6(a)(xii)). Except for this Agreement
and agreements relating to the pledge of the Shares referred to in Section
6(a)(xii) to be terminated at or prior to the Closing, the Seller is not a party
to any option, warrant, right, call, put, or other contract with respect to any
of the capital stock of either of the Companies or to any voting trust, proxy or
other arrangement with respect to the voting of any capital stock of either of
the Companies.

         (b) ABSENCE OF UNDISCLOSED LIABILITIES. Except as and to the extent
disclosed in the Audited Balance Sheet and the schedule of liabilities attached
thereto, neither Company had any Liabilities on the Effective Date except for
any undisclosed Liabilities that do not individually exceed US$25,000 and except
for any undisclosed Liability for Federal Income Taxes.

         (c) TAX MATTERS. Except as disclosed in Item 4(c) of the Disclosure
Schedule and except as to any fact, circumstance, occurrence, item, act,
omission, inaccuracy, breach, default, nonperformance or other matter that does
not result in a Loss to either Company in excess of US$25,000 individually or to
the Companies in excess of US$50,000 in the aggregate with other such facts,
circumstances, occurrences, items, acts, omissions, inaccuracies, breaches,
defaults, nonperformance or other matters, on the Effective Date:

                  (i) All Other Tax Returns that were required to be filed by or
         on behalf of each Company on or prior to the Effective Date in respect
         of Pre-Effective Date Tax Periods had been filed. All such Other Tax
         Returns were correct and complete in all Material respects. All Other
         Taxes payable by each Company for all Pre-Effective Date Tax Periods
         had been paid or sufficient accrual for any unpaid amounts thereof
         shall be made on the Reviewed Audited Balance Sheet. Neither Company
         was the beneficiary of any extension of time within which to file any
         Other Tax Return. Neither Company had waived any statutes of
         limitations in respect of Other Taxes or agreed to any extension of
         time with respect to any assessment or deficiency with respect to Other
         Taxes.


                                      -22-
<PAGE>   24

                  (ii) Neither the Seller nor, to the knowledge of the Seller,
         either of the Companies had received any notice that any Governmental
         Body intended to assess any additional Other Taxes with respect to
         either of the Companies for any Pre-Effective Date Tax Period. No
         dispute or claim concerning any Liability for Other Taxes of either
         Company had been claimed or raised by any Governmental Body in writing.
         Item 4(c) of the Disclosure Schedule lists all Other Tax Returns filed
         with respect to the Companies for Tax periods ended on or after
         December 31, 1994 that have been audited or that currently are the
         subject of an audit.

                  (iii) Neither Company was a party to any Tax allocation or
         sharing agreement.

         (d) CERTAIN ASSETS. Except as disclosed in Item 4(d) of the Disclosure
Schedule, on the Effective Date each Company owned, free and clear of all liens
(other than Permitted Liens), or leased all tangible assets necessary for the
conduct of the Business as then conducted by it. On the Effective Date the
tangible assets of each Company had in all Material respects been maintained in
accordance with normal industry practice, were in all Material respects in
reasonable operating condition and repair (subject to normal wear and tear) and
were in all Material respects suitable for use by the Companies on a basis
consistent with past practices for the respective purposes for which they were
then used. On the Effective Date, Pyron owned the Patent free and clear of all
liens.

         (e) CONTRACTS. Except as disclosed in Item 4(e) of the Disclosure
Schedule, on the Effective Date:

                  (i) Personal Property Leases. Neither Company was a party to
         any leases, or had entered into any contract requiring the lease, of
         personal property involving consideration or other expenditure in
         excess of US$100,000 per annum for any such lease or contract, or
         requiring performance by such Company over a period of more than twelve
         (12) months after the Effective Date (unless such lease or obligation
         is cancelable by such Company on notice of not longer than sixty (60)
         days without liability, penalty or premium);

                  (ii) Purchase Commitments. Neither Company was a party to any
         contract for the purchase of inventory items or supplies that, together
         with amounts on hand, constituted in excess of six months' normal usage
         of any such item of inventory or supplies or for any quantities of any
         such item at a cost in excess of US$50,000;


                                      -23-
<PAGE>   25

                  (iii) Sales Commitments. Neither Company was a party to any
         contract for the sale of Products to customers or distributors that
         aggregated in excess of US$50,000 to any one customer or distributor,
         or that required performance by such Company over a period of more than
         twelve (12) months after the Effective Date (unless such contract is
         cancelable by such Company on notice of not longer than sixty (60) days
         without liability, penalty or premium);

                  (iv) Contracts for Services. Neither Company was a party to
         any contract with any officer, employee, agent, consultant,
         distributor, dealer or franchisee requiring payment by the Company to
         such officer, employee, agent, consultant, distributor or franchisee in
         excess of US$50,000 that is not cancelable by such Company on notice of
         not longer than sixty (60) days without liability, penalty or premium;

                  (v) Powers of Attorney. Neither Company had given any power of
         attorney, which was in effect on the Effective Date, to any person
         (other than an officer or director of such Company), firm or
         corporation authorizing such person, firm or corporation to bind or
         obligate such Company with respect to any transaction, liability or
         obligation that either involves more than US$50,000 or is not limited
         as to total amount;

                  (vi) Partnerships and Joint Ventures. Neither Company was a
         party to any contract providing for the formation of any partnership,
         joint venture or similar business arrangement with any other person
         involving payments or other obligations that in the aggregate exceed
         US$50,000 for any such contract;

                  (vii) Loan Agreements; Guaranties. Neither Company (A) was
         obligated as a signatory, guarantor or otherwise under any loan
         agreement, promissory note, letter of credit, or other evidence of
         indebtedness that involved obligations in excess of US$50,000, (B) had
         mortgaged or pledged any material portion of its assets to secure any
         obligation or group of related obligations in excess of US$50,000 or
         suffered the attachment of any lien on its assets as the result of a
         default by such Company with respect to a past-due obligation of such
         Company in excess of US$50,000, (C) had guaranteed the payment or
         performance of any person, firm or corporation of any obligation or
         group of related obligations in excess of US$50,000, (D) had agreed to
         indemnify or act as a surety of any Person in an amount as to any such
         Person in excess of US$50,000, or (E) had otherwise agreed to be
         contingently or secondarily liable for the obligations of any Person in
         an amount as to any such Person in excess of US$50,000; in the case of
         any item or matter referred to in clauses (A) through (E) above, other
         than with


                                      -24-
<PAGE>   26
         respect to (v) guaranties entered into by the Companies in respect of
         the obligations of the Seller and Zemex Corporation under the Seller's
         Credit Agreement and the Seller's Secured Notes and the pledge of the
         Companies' assets under pledge agreements entered into by the Companies
         to secure such guaranties and obligations (which guaranties and pledge
         agreements will be terminated at or prior to the Closing), (w) Security
         Interests and other encumbrances arising under leases identified in the
         Disclosure Schedule, (x) any obligations or liabilities disclosed in
         the Audited Balance Sheet and the schedule of liabilities attached
         thereto, (y) any other obligation, liability or expenditure that does
         not individually exceed US$50,000, and (z) customary indemnification
         obligations owed to officers and directors and customary
         indemnification obligations incurred in commercial and financial
         transactions, including acquisitions and sales of assets.

                  (viii) Certain Restrictive Agreements. Neither Company was a
         party to any contract or instrument requiring or providing for such
         Company to sell, assign, license, lease or transfer any interest in or
         right to use the Patent or the name "Pyron," or prohibiting or
         restricting such Company from competing in any business or geographical
         area or soliciting customers or otherwise restricting it from carrying
         on the Business anywhere in the world.

                  (ix) Other Material Contracts. Neither Company was a party to
         any lease, license or other contract involving consideration or other
         expenditure in excess of US$50,000, or involving performance over a
         period of more than twelve (12) months after the date hereof (unless
         such lease, license, contract or obligation is cancelable by such
         Company on notice of not longer than sixty (60) days without liability,
         penalty or premium).

                  (x) No Default. Neither Company was in default under any
         lease, contract or agreement to which either Company was a party or by
         which it was otherwise bound and which lease, contract or agreement
         involved consideration or other expenditure in excess of US$50,000,
         nor, to the knowledge of the Seller, had any event or omission occurred
         which, through the passage of time or the giving of notice, or both,
         would constitute a default under any such lease, contract or agreement
         or cause the acceleration of any of such Company's obligations
         thereunder in an amount in excess of US$50,000 or create, as the result
         of any such default, any lien on any material portion of the assets
         owned, used or occupied by such Company or give rise to an automatic
         termination, or the right of discretionary termination, thereof. To the
         knowledge of the Seller, no third party was in default under any lease,
         contract or agreement to which either Company was a party or by which
         it was otherwise bound and which involved consideration or other
         expenditure in excess of US$50,000.


                                      -25-
<PAGE>   27

Notwithstanding anything to the contrary set forth herein, no inaccuracy in any
statement set forth in this Section 4(e) (including any inaccuracy due to the
Seller's failure to disclose in the Disclosure Schedule or in the Audited
Balance Sheet or the schedule of liabilities attached thereto any contract or
other item or matter as an exception to any such statement) shall constitute a
misrepresentation or breach of representation or warranty for any purpose
(including for purposes of the Buyer's right to seek recovery under the R&W
Insurance) except if and to the extent that such inaccuracy results in a Loss to
either Company in excess of US$25,000 as to any individual contract, item or
other matter (after reducing the amount of such Loss by the value of any goods,
services or other benefit or consideration received or to be received by the
Companies or the Buyer in respect of such contract, item or matter).

         (f) EMPLOYMENT AND LABOR MATTERS. Except as disclosed in Item 4(f) of
the Disclosure Schedule, on the Effective Date:

                  (i) the Companies were in compliance in all Material respects
         with all applicable Laws respecting employment and employment
         practices, terms and conditions of employment, wages and hours,
         occupational safety and health, including Laws concerning unfair labor
         practices and the employment of non-residents, with respect to each
         full-time and part-time employee of either Company who devoted
         substantially all of such person's business time solely to the Business
         or other activities of such Company (each, a "COMPANY EMPLOYEE") except
         where failure to comply would not have a Material Adverse Effect on the
         Business;

                  (ii) there were no charges, governmental audits,
         investigations, administrative proceedings or complaints concerning the
         employment practices pending or, to the knowledge of the Seller,
         threatened before any federal, state or local agency or court relating
         to the Company Employees;

                  (iii) neither Company was a party to any union or collective
         bargaining agreement and, to the knowledge of the Seller, no union
         attempts to organize any of the Company Employees had been made, nor,
         to the knowledge of the Seller, were any such attempts threatened or
         pending;

                  (iv) neither Company had experienced any organized slowdown,
         work interruption, strike, or work stoppage by any Company Employees
         during the period of five (5) years prior to the Effective Date; and

                  (v) to the knowledge of the Seller, (y) no such labor action
         was threatened or pending and (z) no grievance in respect of any work
         condition or other matter filed by or on behalf of, any Company
         Employee was pending.


                                      -26-
<PAGE>   28


         (g) EMPLOYEE BENEFITS. Except as set forth in Item 4(g) of the
Disclosure Schedule, on the Effective Date:

                  (i) there were no Employee Benefit Plans maintained by the
         Seller or either Company that provided benefit coverage to any Company
         Employees on the Effective Date ("PLANS");

                  (ii) no contributions or payments were due with respect to any
         of the Plans for any period prior to the Effective Date;

                  (iii) each Plan had been operated and administered in material
         compliance with the provisions of ERISA and the Code applicable to it
         where the failure of any Plan to comply with such provisions would
         reasonably be expected to have a Material Adverse Effect on the
         Business of either Company;

                  (iv) no Plan was subject to Title IV of ERISA or section 412
         of the Code;

                  (v) neither Seller nor any of its ERISA Affiliates had an
         "obligation to contribute" (as defined in ERISA Section 4212) to any
         Plan that is a Multiemployer Plan;

                  (vi) none of the Seller's Plans provided medical or death
         benefits coverage to any former employee of either Company who devoted
         substantially all of such person's business time solely to the
         operation of the Business, except as required under section 4980B of
         the Code or under applicable state law; and

                  (vii) there was no Seller's Plan in effect and covering any
         Company Employee that could result in the payment by the Buyer of any
         amount that would not be deductible under Code sections 162(m) or 280G.

         (h) ENVIRONMENTAL MATTERS. Except as disclosed in Item 4(h) of the
Disclosure Schedule, on the Effective Date there was no Environmental Condition
in any way relating to the Business of either Company or the real property owned
or leased by either Company that will individually result in a Loss to either
Company in excess of US$25,000 individually or to the Companies in excess of
US$50,000 in the aggregate with all other Environmental Conditions. For the
purposes of this Agreement, "ENVIRONMENTAL CONDITION(S)" means (a) the
introduction into the environment of any pollutant or contaminant, or any other
toxic or hazardous substance, waste materials, raw materials, hazardous
materials, biomedical waste (including blood), or toxic materials or products
("HAZARDOUS


                                      -27-
<PAGE>   29

MATERIALS"), in violation of any federal, state or local law, ordinance or
governmental rule or regulations in effect on the Effective Date, (i) as a
result of any spill, discharge, leak, emission, escape, injection, dumping or
release of any kind into the environment, including without limitation air,
land, surface waters or ground waters, or (ii) from any generation,
transportation, treatment, discharge, storage disposal, use or handling of any
Hazardous Materials, in each case, as a result of which either Company on the
Effective Date had become or would reasonably have been expected to become
liable to any Person or by reason of which any material portion of the assets of
the Companies on the Effective Date had become or would reasonably have been
expected to become subject to any lien or Material restriction of any nature, or
(b) any noncompliance with any Environmental Law in effect on the Effective
Date, as a result of or in connection with any of the foregoing, or otherwise
applicable to the operations of the Business as conducted by either Company on
or prior to the Effective Date, or (c) the existence of any underground storage
tank on or under any of the real property owned or leased by either Company.
Notwithstanding any other provision hereof, the representation and warranty in
this Section 4(h) is the Company's sole representation and warranty with respect
to environmental matters.

         (i) LEGAL COMPLIANCE. Except as disclosed on Item 4(i) of the
Disclosure Schedule and except for any fact, circumstance, occurrence, item,
act, omission, inaccuracy, breach, default, noncompliance, failure,
nonperformance or other matter that does not result in a Loss to either Company
in excess of US$25,000 individually or to the Companies in excess of US$50,000
in the aggregate with all other such facts, circumstances, occurrences, items,
acts, omissions, inaccuracies, breaches, defaults, noncompliance, failures,
nonperformance or other matters, on the Effective Date and on the Closing Date:

                  (i) each Company was in compliance with all Laws (other than
         Laws relating to employment, labor and employee benefit matters, which
         are the subject of Section 4(f) and Section 4(g) above, and
         Environmental Laws, which are the subject of Section 4(h) above)
         applicable to such Company, its Business as then conducted, its
         properties or assets; and

                  (ii) no charge, complaint, action, suit, proceeding, hearing,
         investigation, claim demand, or notice had been filed or commenced
         against either Company that was then pending and that alleged any
         failure to comply with any Law referred to in clause (i) above at any
         time prior to the Effective Date or the Closing Date (as the case may
         be).

         (j) OPERATION OF COMPANIES DURING PRE-CLOSING PERIOD. Since the
Effective Date, and except for any fact, circumstance, occurrence, item, act,

                                      -28-
<PAGE>   30


omission, inaccuracy, breach, default, noncompliance, failure, nonperformance or
other matter that does not result in a Loss to either Company in excess of
US$25,000 individually or to the Companies in excess of US$50,000 in the
aggregate with all other such facts, circumstances, occurrences, items, acts,
omissions, inaccuracies, breaches, defaults, noncompliance, failures,
nonperformance or other matters, the Seller has, as of the date hereof and as of
the Closing Date, complied with and performed its obligations under the
covenants and agreements set forth in Section 5(b) that are to be complied with
and performed by it pursuant to the terms of Section 5(b).

                  5.       CERTAIN COVENANTS AND AGREEMENTS.


         (a) GENERAL. Each of the Contract Parties will use its reasonable best
efforts to take all action and to do all things necessary to satisfy the closing
conditions set forth in Section 6 and to consummate and make effective the
transactions contemplated by this Agreement; provided, that, except as otherwise
specified in Section 5(f), neither the Seller nor the Companies shall be
required to expend any funds to obtain the consent of any Governmental Body or
other third party. Subject to the proviso to the immediately preceding sentence,
each Company will give any notices to third parties and use its reasonable best
efforts to obtain, and each of the Contract Parties will take any additional
action (and the Seller will cause each Company to take any additional action)
that may be necessary, proper, or advisable in connection with, any and all
notices to, filings with, and authorizations, consents, and approvals of
Governmental Bodies and third parties that may be required in connection with
the consummation of the transactions contemplated by this Agreement. The
Contract Parties shall coordinate and cooperate in exchanging such information
and assistance as either Party may reasonably request in connection with the
foregoing.

         (b) OPERATION OF BUSINESS.

             (i) Prior to the Closing, and except as contemplated hereby or as
may be incidental to or in furtherance of the transactions contemplated hereby,
or as expressly consented to or approved by the Buyer, the Seller shall:

                  (A) cause the Business conducted by each of the Companies to
         be operated in all Material respects in the Ordinary Course of
         Business; and

                  (B) cause each of the Companies not to issue or sell any
         shares of capital stock of such Company, or issue, or sell any options,


                                      -29-
<PAGE>   31

         warrants or other rights of any kind to acquire any such shares or
         securities convertible into or exchangeable for, or which otherwise
         confer on the holder thereof any right to acquire, any such shares, or
         enter into any agreement obligating either Company to do any of the
         foregoing.

         (ii) Notwithstanding anything to the contrary set forth in Section
5(b)(i):

                  (A) On the Closing Date, the Seller shall deliver to the Buyer
         a letter or statement from each bank with which each Company maintains
         one or more cash deposit accounts indicating the cash balance(s) of
         such account(s) as of the close of business on the Business Day
         immediately preceding the Closing Date. During the Pre-Closing Period,
         the Seller shall not cause or permit either Company to (y) authorize,
         declare or pay any dividend or other distribution in respect of its
         capital stock at any time from and after the Effective Date, or (z)
         make any payment or transfer any funds to or for the account of the
         Seller or any Other Affiliate, except for payments for such goods,
         services or benefits provided by the Seller or Other Affiliates to, on
         behalf of or for the benefit of either of the Companies as are (1) of
         the types set forth on Annex IV and arise in the Ordinary Course of
         Business consistent with past practice pursuant to arrangements
         existing prior to the Effective Date, on terms consistent with past
         practice or (2) mutually agreed to by the Buyer and the Seller,
         pursuant to such arrangements, and on such terms, as they shall
         mutually agree upon (it being understood that neither Party shall have
         any obligation to agree to any such arrangements or terms); provided,
         however, that, notwithstanding anything to the contrary contained
         herein, the Seller shall not charge either of the Companies, and
         neither of the Companies shall pay the Seller, any management fees for
         any period commencing on or after the Effective Date; provided,
         further, that the Seller shall cause the Companies to pay the
         Pre-Closing Seller Costs set forth on the Pre-Closing Seller Cost
         Statement in accordance with Section 5(h).

                  (B) During the Pre-Closing Period, neither the Seller nor any
         Other Affiliate shall have any obligation or liability whatsoever to
         contribute any capital or make any funds, assets or other benefit or
         thing of value available to either Company, except for (y) the items of
         the types set forth on Annex IV to the extent such items arise in the
         Ordinary Course of Business, on terms (other than payment terms)
         consistent with past practice and (z) such other items (if any), as may


                                      -30-
<PAGE>   32
         be mutually agreed to by the Buyer and the Seller, upon such terms as
         may be mutually agreed to by them (it being understood that neither
         Party shall have any obligation to agree to any such items or terms);

                  (C) During the Pre-Closing Period the Seller shall not cause
         or permit either Company to enter into, or agree to enter into, any
         transaction that is outside the Ordinary Course of Business and that
         involves individually more than US$50,000 or involves the sale,
         assignment, license, lease or transfer of any interest in or right to
         use the Patent or the name "Pyron," in each case without the prior
         consent of the Buyer; and

                  (D) During the Pre-Closing Period the Seller shall not cause
         or permit either Company to make, or agree with any third party to
         make, any capital expenditure, or series of related capital
         expenditures, in an amount in excess of US$50,000 without the prior
         consent of the Buyer.


         (c) PRESERVATION OF BUSINESS. Prior to the Closing, and except as
contemplated hereby, or as may be incidental to or in furtherance of the
transactions contemplated hereby, or as expressly consented to or approved by
the Buyer, each Company will use its reasonable best efforts, consistent with
its existing practices in the Ordinary Course of Business, to keep its Business
and properties substantially intact, including its present operations, physical
facilities and relationships with lessors, licensors, suppliers, customers, and
employees.

         (d) ACCESS.

                  (i) Subject to the other provisions of this Section 5(d), from
         the date hereof until the Closing Date, the Seller shall cause the
         Companies to provide the Buyer and its authorized representatives with
         full access, at all reasonable times, upon reasonable advance notice,
         and in a manner so as not to interfere unreasonably with the normal
         business operations of either Company, to the offices, properties,
         books, records, contracts, Tax records and documents of or pertaining
         to each Company in order for the Buyer to have the opportunity to make
         such investigation as it shall reasonably desire to make of the affairs
         of the Companies. Such access shall also be available on the terms and
         conditions described above to ACuPowder and its authorized
         representatives with respect to the facilities of Metal Powders located
         in Greenback and Maryville, Tennessee (collectively, the "TENNESSEE
         FACILITIES").


                                      -31-
<PAGE>   33

                  (ii) The Parties shall agree upon mutually convenient times
         and places at which the Buyer may conduct interviews with key employees
         and/or customers of the Companies mutually agreed to by the Seller and
         the Buyer. Such access shall also be available on the terms and
         conditions described above to ACuPowder and its authorized
         representatives with respect to the Tennessee Facilities.

                  (iii) In addition, the Buyer shall be entitled to maintain one
         (1) representative on-site at the Niagara Falls Facility who shall have
         access to and monitor the daily business operations of the Companies;
         provided, that (x) such representative shall have entered into a
         confidentiality agreement in favor of the Seller in form and substance
         satisfactory to the Seller, (y) such representative shall have agreed
         to (and shall) comply with all rules and policies (including with
         respect to safety and security) applicable to non-employee visitors to
         the Niagara Facility, and (z) the Buyer shall have agreed, in a manner
         satisfactory to the Seller, to be responsible for and to indemnify the
         Seller (and the Companies, in the event that the Closing does not occur
         for any reason) in respect of (A) such representative's compliance with
         such confidentiality agreement, rules and policies, (B) all
         compensation and employment-related matters with respect to such
         representative, and (C) all acts or omissions committed by such
         representative during his or her presence at the Niagara Falls Facility
         or while present at other facilities of either Company or the Seller to
         the extent that such acts or omissions have any adverse effect on the
         Seller, either Company or any Other Affiliate.

                  (iv) Without limiting the generality of the foregoing
         provisions, access to the Companies shall be further limited as follows
         with respect to environmental matters: During the Pre-Closing Period,
         the Seller shall allow the Buyer and its representatives and agents,
         including an environmental consultant, access, during normal business
         hours, upon reasonable advance notice, to the Companies' properties,
         and shall make available to Buyer, during normal business hours at
         times and for periods of time that will not unreasonably interfere with
         the normal business operations of either Company, such employee or
         employees of each of the Companies as shall be designated by the Seller
         and as are reasonably available who are involved in environmental
         compliance in order to allow the Buyer to investigate the condition
         with respect to environmental matters of each Company's properties,
         plants and facilities. Such access shall also be available on the terms
         and conditions described above to ACuPowder and its authorized
         representatives with respect to the Tennessee Facilities.

                  (v) All information disclosed or made available to or
         otherwise obtained by the Buyer, U.S. Bronze, ACuPowder and/or their
         respective


                                      -32-
<PAGE>   34

         authorized representatives and agents pursuant to the foregoing
         provisions or otherwise in connection with their investigation of the
         Companies or in connection with the transactions contemplated hereby
         shall be subject to the terms and conditions of the Confidentiality
         Agreement, the U.S. Bronze Confidentiality Agreement and the ACuPowder
         Confidentiality Agreement, respectively, each of which the Contract
         Parties hereby acknowledge and agree shall remain in full force and
         effect and shall survive the Closing or any termination of this
         Agreement.

                  (vi) Prior to the Closing, the Buyer shall not, and shall not
         cause or permit its representatives and agents or ACuPowder or its
         representatives and agents to, contact or in any manner communicate
         with the employees, customers, lessors and suppliers of the Companies
         in connection with the transactions contemplated hereby, except in
         accordance with the procedures provided herein or otherwise with the
         express prior consent of the Seller, or upon the express request of the
         Seller.

                  (vii) Prior to the Closing Date, the Seller shall provide the
         Buyer, promptly upon the Seller's receipt thereof, with copies of all
         monthly production, sales and other monthly operational reports
         received by Seller from each Company.

         (e) NOTICE OF DEVELOPMENTS; AMENDMENTS TO DISCLOSURE SCHEDULE. From
time to time after the date hereof and until the Closing Date, the Seller may
disclose to the Buyer in writing any variances from the representations and
warranties contained in Section 4 and/or the information set forth in the
Disclosure Schedule in the form of one or more proposed updates to the
Disclosure Schedule. If consented to by the Buyer, such updated disclosure shall
amend and supplement the Disclosure Schedule, shall be deemed to modify the
affected representation and warranty and shall cure any misrepresentation or
breach of warranty that otherwise might have existed hereunder by reason of such
variance. The Buyer shall promptly notify the Seller if the Buyer obtains
knowledge that the representations and warranties of the Seller in this
Agreement are not true and correct in all material respects, or if Buyer obtains
knowledge of any material errors in, or omissions from, the Schedules or Annexes
to this Agreement. In addition to the foregoing, each Party will give prompt
written notice to the other of any material development affecting the ability of
the Parties to consummate the transactions contemplated by this Agreement.

         (f) HSR ACT FILINGS. The Buyer and the Seller will use reasonable best
efforts to file or cause to be filed with the FTC and the DOJ, as promptly as
practicable but in no event later than March 9, 2000 the Notification and Report

                                      -33-
<PAGE>   35


Form and related materials required to be filed in connection with the
transactions contemplated in this Agreement pursuant to the HSR Act, and to
promptly file any additional information requested by the FTC or the DOJ as soon
as practicable after receipt of a request therefor. The Buyer and the Seller
shall request early termination of the waiting period under the HSR Act and
shall use their respective reasonable best efforts to cause all waiting periods
under the HSR Act to terminate or expire at the earliest possible date and to
resist in good faith, at each of their respective cost and expense (including
the institution or defense of legal proceedings), any assertion that the
transactions contemplated hereby constitute a violation of the antitrust laws,
all to the end of expediting consummation of the transactions contemplated
hereby. Each Party shall consult with the other prior to participating in any
meetings, by telephone or person, with, or sending any correspondence to, the
staff of the FTC or the DOJ, and each of the Parties shall have the right to
have a representative present at any such meeting or to review any such
correspondence prior to its being sent. In addition, the Buyer shall use its
best efforts to take or cause to be taken all actions necessary, proper or
advisable to obtain any consent, waiver, approval or authorizations relating to
the HSR Act that is required for the consummation of the transactions
contemplated by this Agreement. In the event that the FTC or the DOJ imposes any
requirement or condition with respect to the consummation of the transactions
contemplated hereby, no purchase price adjustment shall be made; however, the
Buyer shall have the right to terminate this Agreement prior to the Closing
(without any Liability whatsoever of the Buyer to the Seller or the Seller to
the Buyer) by written notice delivered to the Seller within five (5) days
following delivery to the Buyer of written notice from the FTC or the DOJ of
such requirement or condition and such right of termination shall be the Buyer's
sole remedy in such case; provided, however, that such termination right and any
termination right arising under or in respect of Section 6(a)(vi) and Section
8(a)(ii) or otherwise hereunder shall not be exercisable with respect to any
such requirement or condition that relates to any assets or activities of the
Companies, the Buyer or any Affiliate of the Buyer that are not Material to the
Business as conducted by the Companies, the Buyer or such Affiliate, as
applicable, on the date hereof, and the Buyer shall comply with any such
divestiture, hold separate or similar requirement or condition relating to any
such non-Material assets or activities and shall take all other actions
necessary, proper or advisable to obtain any consent, waiver, approval or
authorizations relating to the HSR Act in respect of any issue or matter
regarding any such non-Material assets or activities. Each of the Parties shall
bear the costs and expenses of preparing its filings under the HSR Act;
provided, however, that all filing fees required under the HSR Act shall be paid
by the Buyer.

         (g) PLANT CLOSING NOTIFICATION. From and after the Closing, the
Companies shall provide any notice of layoff or plant closing required with
respect


                                      -34-
<PAGE>   36

to any manufacturing facility of either Company pursuant to, and the
Companies shall otherwise comply with all other requirements of, the Federal
Worker Adjustment and Retraining Notification Act of 1988, any successor federal
law and any applicable state or local plant closing notification statute, for
any such layoffs or plant closings that commence effective on or subsequent to
the Closing Date, and the Seller shall have no responsibility, Liability or
obligation with respect to the foregoing. Each of the Buyer and the Companies,
individually, shall indemnify and hold the Seller harmless from any against any
Liability, costs and expenses that the Seller incurs under such laws arising out
of or relating to, any actions or omissions by the Buyer or either of such
Companies, respectively, with respect to the employees of the Companies on or
after the Closing Date, but not with respect to any obligation of the Seller
that arose prior to the Effective Date.

         (h) INTERCOMPANY ITEMS. All Intercompany accounts payable and
Intercompany accounts receivable of each Company, and any other Intercompany
items, as of the Effective Date shall be deemed to be settled as a result and as
part of the Purchase Price Adjustment pursuant to Section 2(c)(ii). The
Pre-Closing Seller Costs set forth on the Pre-Closing Seller Cost Statement
shall be invoiced by the Seller to the Companies immediately prior to the
Closing and shall be settled as a result of and as part of the Purchase Price
Adjustment pursuant to Section 2(c)(ii).

         (i) AUTOMOBILE LEASES. The automobiles listed on Annex VIII are leased
under the Seller's group leasing program for use by certain employees of the
Companies, as indicated on Annex VIII (the "LEASED AUTOMOBILES"). On or prior to
the Closing Date, the Seller shall, at the election of the Buyer, cause the
Companies to (and the Companies hereby agree to) either (y) pay the purchase
price for, and accept assignment of title to, the Leased Automobiles pursuant to
the buy-out options under the leases relating thereto, or (z) accept assignment
of, and undertake all obligations with respect to, such leases; provided,
however, that in connection with the transactions contemplated by each of
clauses (y) and (z), the Seller and the Other Affiliates shall not be required
to undertake, and shall be expressly released in writing by the lessor and the
Companies from, any residual or on-going liability or obligation of any kind
under or in respect of the Leased Automobiles or the leases relating thereto
from and after the Closing Date, including any liability or obligation as
guarantor or primary or secondary obligor. Any costs associated with the
transactions contemplated by this Section 5(i) shall be borne by the Companies;
in the case of each Company, to the extent that such costs relate to Leased
Automobiles used by its employees. Following the Closing Date, each Company
shall indemnify and hold harmless the Seller and the Other Affiliates in respect
of any liability or obligation under or in respect of the lease or ownership of
the Leased Automobiles from and after the Effective Date.


                                      -35-
<PAGE>   37


         (j) TRANSITION TO NEW OWNERSHIP. The Seller will not take any action
that primarily is designed or intended to have the effect of discouraging any
lessor, licensor, customer, supplier, or other business associate of either
Company from maintaining the same business relationships with such Company after
the Closing for a period of twelve (12) months thereafter as it maintained with
such Company prior to the Closing.

         (k) CERTAIN TAX MATTERS.

             (i) Taxes Relating to Pre-Effective Date Tax Periods and the
         Pre-Closing Date Tax Period.

                  (A) Federal Income Taxes. The Seller shall cause each Company
            to be included in, and shall timely prepare and file (or cause to be
            prepared and filed), (y) all required Consolidated Tax Returns that
            include and reflect the income, activities, transactions and
            operations of each Company for all Pre-Effective Date Tax Periods
            and (z) a Consolidated Tax Return that includes and reflects the
            income, activities, transactions and operations of each Company for
            the Pre-Closing Date Tax Period (regardless of whether the Tax
            period for the other members of the Affiliated Group covered by such
            Consolidated Tax Return ends on or after the Closing Date) (the
            "PRE-CLOSING PERIOD CONSOLIDATED RETURN"); provided, that, in the
            case of each of clauses (y) and (z) above, the Buyer and the
            Companies shall have timely made available to the Seller and its
            representatives after the Closing the books, records and information
            regarding the Companies that are reasonably requested by the Seller
            for such purposes. To the extent permitted by applicable Laws, the
            Seller shall not include either Company in any Consolidated Tax
            Return for any Tax period of such Company beginning on or after the
            Closing Date. The Seller shall pay (or cause to be paid), when due,
            all Federal Income Taxes of the Seller, the Companies and the Other
            Affiliates payable in respect of (I) Pre-Effective Date Tax Periods
            and (II) without limiting the terms of Section 5(t), the Pre-Closing
            Date Tax Period. Without limiting the terms of Section 5(t), the
            Buyer and/or the Companies shall be responsible for all Federal
            Income Taxes relating to the income, activities, transactions and
            operations of the Companies in respect of all Tax Periods (or
            portions thereof) beginning on or after the Closing Date, and the
            Seller and the Other Affiliates shall have no liability or
            obligation to the Buyer or the Companies or otherwise with respect
            thereto.


                                      -36-
<PAGE>   38

                  (B) Other Taxes. The Seller shall timely prepare (or cause to
         be prepared), all state and local corporate income Tax Returns that are
         required to be filed in New York, Pennsylvania and Tennessee with
         respect to each Company for the Pre-Closing Date Tax Period
         (collectively, the "PRE-CLOSING STATE INCOME TAX RETURNS" and each, a
         "PRE-CLOSING STATE INCOME TAX RETURN"); provided, that the Buyer and
         the Companies shall have timely made available to the Seller and its
         representatives after the Closing the books, records and information
         regarding the Companies that are reasonably requested by the Seller for
         such purposes. The Seller shall deliver (or cause to be delivered) each
         Pre-Closing State Income Tax Return to the Buyer not less than fifteen
         (15) days prior to the due date (including any extensions thereof) for
         filing such Pre-Closing State Income Tax Return, together with copies
         of related work papers. The Buyer or the Companies shall pay when due,
         and shall be responsible for, all Other Taxes payable in respect of the
         Pre-Closing State Income Tax Returns or otherwise relating to the
         income, activities, transactions and operations of the Companies in
         respect of all Tax periods (or portions thereof) beginning on or after
         the Effective Date, and the Seller shall have no liability or
         obligation to the Buyer or the Companies with respect thereto. Except
         as provided in the first sentence of this paragraph (B), each Company
         shall timely prepare and file all Other Tax Returns in respect of Other
         Taxes payable by such Company for all Tax periods (or portions thereof)
         from and after the Effective Date, and the Seller shall have no
         liability or obligation to the Buyer or the Companies with respect
         thereto. If any amount of Other Taxes payable in respect of
         Pre-Effective Date Tax Periods shall not have been accrued or otherwise
         disclosed as a current liability on the Reviewed Audited Balance Sheet
         or the schedule of liabilities attached thereto or shall not have been
         paid by the Companies prior to the Effective Date, such non-accrual,
         non-disclosure or non-payment (as the case may be) shall constitute an
         inaccuracy in the representation and warranty set forth in the third
         sentence of Section 4(c)(i) and the sole remedy therefor shall be such
         rights as the Buyer may have under the R&W Insurance, as provided in
         Section 5(s) and Section 9.

                  (C) Refunds. The Seller shall be entitled to all refunds
         (including interest with respect thereto) in respect of (x) Taxes
         attributable to the income, activities, transactions and operations of
         the Seller, the Other Affiliates and the Companies for any
         Pre-Effective Date Tax Period, (y) Federal Income Taxes attributable to
         the income, activities, transactions and operations of the Seller and
         the Other Affiliates for all Tax periods (or portions thereof) from and
         after


                                      -37-
<PAGE>   39
         the Effective Date, and (z) Federal Income Taxes attributable to the
         income, activities, transactions and operations of the Companies for
         the Pre-Closing Date Tax Period. The Buyer shall promptly notify the
         Seller of any such refund that is received by either Company or any of
         the Affiliates of such Company and shall pay, or cause to be paid, any
         such refund to the Seller promptly after such receipt thereof. At the
         request of the Seller, the Buyer shall file, or shall cause the
         relevant Company to file, any claims for such refunds.

              (ii) Treatment of Other Taxes for Overlap Tax Periods. Any Other
Taxes with respect to either Company that relate to a Tax period beginning
before the Effective Date and ending after the Effective Date (an "OVERLAP TAX
PERIOD") shall be apportioned between the portion of such Overlap Tax Period
from the beginning thereof until the day prior to the Effective Date (the
"SELLER'S OVERLAP PORTION") and the portion of such Overlap Tax Period from and
including the Effective Date until the end of such Overlap Tax Period as
determined from the books and records of such Company based on accounting
methods, elections and conventions applied consistently with prior periods. The
Buyer or the Companies shall prepare and file (or cause to be prepared and
filed) all Other Tax Returns for any Overlap Tax Period (it being understood
that such obligation does not apply to state income Tax Returns for the
Pre-Closing Date Tax Period, as provided in paragraph (ii) of this Section 5(k))
and shall pay, or cause to be paid, when due any Other Taxes shown as due on any
such Other Tax Returns. Each such Other Tax Return shall be submitted to the
Seller at least fifteen (15) days prior to the due date (including any extension
thereof) for filing such Other Tax Return accompanied by a notice setting forth
in reasonable detail the calculations regarding the Seller's share of Other
Taxes as due on such Other Tax Return (calculated as described in this Section
5(k)(ii)), and the Seller shall have the right to review such Other Tax Return
and the relevant books and records of such Company. The Seller shall notify the
Buyer of any objections that the Seller may have to any items set forth in such
Other Tax Return and to the Buyer's calculations regarding the Seller's share of
such Other Taxes, and the Seller and Buyer agree to consult and resolve in good
faith any such objection and to mutually consent to the filing of such Other Tax
Returns. The Buyer or the relevant Company (as the case may be) shall make any
changes in such proposed Other Tax Return that are reasonably requested by the
Seller not less than five (5) days prior to the due date (including extensions)
for filing such Other Tax Return. If any amount of the Seller's Overlap Portion
of any Other Taxes due pursuant to the filing of any such Other Tax Returns
shall not have been accrued or otherwise disclosed as a current liability on the
Reviewed Audited Balance Sheet or the schedule of liabilities attached thereto
or shall not have been paid by the Companies prior to the Effective

                                      -38-
<PAGE>   40
Date, such non-accrual, non-disclosure or non-payment (as the case may be) shall
constitute an inaccuracy in the representation and warranty set forth in the
third sentence of Section 4(c)(i). The Buyer shall pay to the Seller, at the
time it delivers the notice described in this Section 5(k)(ii) (or such other
time as is mutually agreed by the Parties), the amount, if any, by which the
Seller's share of Other Taxes for Overlap Tax Periods is less than the amounts
already paid by the Seller or the Companies on or before the Closing Date or
accrued or otherwise disclosed as a liability for such Overlap Tax Period on the
Reviewed Audited Balance Sheet or the schedule of liabilities attached thereto.

         (iii) Cooperation. After the Closing, the Contract Parties shall
cooperate fully, as and to the extent reasonably requested by either Party, in
connection with the filing of income Tax Returns pursuant to this Section 5(k),
and any audit, litigation or other proceeding with respect to income Taxes. Such
cooperation shall include the retention and (upon either Party's request) the
provision of records and information which are reasonably relevant to any such
audit, litigation or other proceeding and making employees available on a
mutually convenient basis to provide additional information and explanation of
any material provided hereunder.

        (iv) Certain Limitations. Notwithstanding anything in this Agreement to
the contrary (except for the provisions of Section 9):

                  (A) The Seller shall have no Liability with respect to any
         Taxes of the Companies attributable to (1) any Tax period (or portion
         of any Tax period, including any Overlap Tax Period) beginning on or
         after the Effective Date, (2) operations of either or both of the
         Companies after the Effective Date, or (3) actions taken or elections
         made by the Buyer or the Companies after the Closing; provided,
         however, that the Seller shall pay or cause to be paid the Federal
         Income Taxes shown as payable on the Pre-Closing Period Consolidated
         Return subject to compliance by the Buyer and the Companies with the
         terms of this Section 5(k) and Section 5(t).

                  (B) The Buyer shall have the right to seek recovery with
         respect to Taxes attributable to the Companies for any Tax period (or
         portion thereof) prior to the Effective Date only (x) under the R&W
         Insurance as provided herein, to the extent that such Taxes are Other
         Taxes, (y) as provided in Section 7, to the extent that such Taxes are
         Federal Income Taxes, and (z) only to the extent that the aggregate
         amount of the Taxes referred to in clauses (x) and (y) for such Tax
         period (or portion thereof) exceeds the aggregate of (i) amounts
         already

                                      -39-
<PAGE>   41
         paid by the Seller or the Companies on or before the Closing Date in
         respect of such Taxes for such Tax period (or portion thereof) and (ii)
         amounts accrued or otherwise disclosed as a liability for such Taxes on
         the Reviewed Audited Balance Sheet or the schedule of liabilities
         attached thereto.

                  (C) Without limiting any requirements or conditions that apply
         to recovery under the R&W Insurance with respect to Other Taxes, the
         Buyer shall give prompt written notice to the Seller of the
         commencement of any audit, administrative appeal, litigation or other
         contest relating to Federal Income Taxes (a "TAX CONTEST") that results
         in or may result in a Liability for which the Seller may be liable
         under this Agreement, including in respect of Pre-Effective Date Tax
         Periods and the Pre-Closing Date Tax Period. The Seller shall be
         entitled at any time to conduct, control and settle ("AUDIT CONTROL")
         any Tax Contest, with respect to Pre-Effective Date Tax Periods or the
         Pre-Closing Date Tax Period and the Buyer shall cause the relevant
         Company to execute any powers of attorney necessary in order to allow
         the Seller to exercise Audit Control and to cooperate fully in the
         conduct of the Tax Contest. The Party with Audit control over a Tax
         Contest shall keep the other Party reasonably informed as to the
         progress of such Tax Contest and shall permit the other Party to
         participate (without control of) in such Tax Contest with counsel
         selected by such other Party. The Party with Audit control over a Tax
         Contest shall not be responsible for any fees of counsel to the other
         Party with respect to a Tax Contest but shall keep the other Party
         reasonably informed as to the progress of any Tax Contest and shall not
         enter into any settlement or other disposition of such Tax Contest that
         may result in any Liability of, or claim of Liability against, the
         other Party or its Affiliates prior to receiving the express written
         consent of the other Party.

                  (D) If the liability of either Company for Federal Income
         Taxes is increased for a Pre-Effective Date Tax Period, and either
         Company or any Affiliate thereof receives or realizes a correlative
         reduction in a subsequent Tax period or partial Tax period (whether
         before or after Effective Date) which reduces the Companies' liability
         for Taxes (or results in a refund or credit of Taxes) for such
         subsequent period or partial period, the Seller shall be entitled to
         (y) receive from the Buyer (or the Buyer shall otherwise cause to be
         paid to the Seller) the amount of any such

                                      -40-
<PAGE>   42
         reduction, refund or credit (together with any interest paid or payable
         thereon) as and when received or realized by such Company or Affiliate,
         or (z) offset the amount of any such reduction, refund or credit so
         received or realized by such Company or Affiliate against any
         indemnification liability of the Seller existing at or arising after
         the time that such reduction, refund or credit is so received or
         realized. The Buyer and/or each of the Companies (as applicable) shall
         claim and diligently pursue, at their own expense, any such reduction,
         refund or credit to which it is entitled; provided, however, that,
         subject to the immediately succeeding sentence, the Buyer and the
         Companies shall have no obligation to claim or pursue any such
         reduction, refund or credit if the Buyer receives (and provides to the
         Seller a copy of) a written opinion of the Buyer's Auditors to the
         effect that none of the Buyer, the Companies nor any Affiliate of the
         foregoing is entitled to such reduction, refund or credit (a
         "NONENTITLEMENT OPINION"). Notwithstanding the immediately preceding
         sentence, the Buyer and/or each Company (as applicable) shall claim and
         diligently pursue any such reduction, refund or credit if requested to
         do so by the Seller, but if the Buyer receives a Nonentitlement Opinion
         with respect thereto and provides a copy thereof to the Seller, then
         the Seller shall reimburse the Buyer and the Companies on a current
         basis for the reasonably documented out-of-pocket costs incurred by
         them to third parties following the Seller's receipt of such
         Nonentitlement Opinion in claiming and pursuing such reduction, refund
         or credit, until such time (if any) as the Seller revokes in writing
         its request that such reduction, refund or credit be claimed and
         pursued; provided, however, that if such reduction, refund or credit is
         received or realized by either of the Companies or any of its
         Affiliates, then the Buyer and/or the Companies (as the case may be)
         shall so notify the Seller and shall, within fifteen (15) days
         following such receipt or realization, repay to the Seller any amounts
         previously reimbursed by the Seller pursuant to this sentence.

              (v) Tax Allocation Agreement. At or prior to the Closing, the
Seller shall enter into, and shall cause the Companies and each of the Other
Affiliates to be included in the Consolidated Tax Return for the Tax period
ended on December 31, 1999 and/or the Pre-Closing Period Consolidated Return to
enter into, a Tax Allocation Agreement substantially in the form of Exhibit B
(the "TAX ALLOCATION AGREEMENT"). The execution and delivery of the Tax
Allocation Agreement by the parties thereto shall not constitute a breach of any
representation, warranty, covenant or obligation of the Seller hereunder,
including under Section 4(j) or Section 5(b).

              (vi) Transfer Taxes Relating to Purchase of Shares. Except as
provided in the immediately succeeding sentence, the Buyer shall pay or cause to
be paid (and shall indemnify and reimburse the Seller for any

                                      -41-
<PAGE>   43
amounts incurred by it with respect to) all stock transfer, documentary, sales,
use, registration, stamp, value added or other similar Taxes payable by reason
of the transactions contemplated by this Agreement or attributable to the sale,
transfer or delivery of the Shares hereunder, and the Buyer shall file or cause
to be filed all necessary Tax Returns and other documentation with respect to
all such Taxes. Any New York State real property transfer taxes payable by
reason of the transactions contemplated by this Agreement shall be paid by the
Seller; provided, however, that the Buyer shall directly pay all costs and
expenses relating to any appraisal that is necessary or appropriate in
connection with such real property transfer taxes.

(l)      BOOKS AND RECORDS.

              (i)The Seller acknowledges and agrees that from and after the
Closing the Buyer will be entitled to possession of all documents, books,
records, agreements and financial data of or relating to each Company; provided,
however, that the Seller may retain such copies of the foregoing as it may deem
necessary or appropriate to comply with applicable Tax and other Laws; provided,
further, that the Seller may retain any documents, books, records, agreements
and financial data generated by or belonging to the Seller or Other Affiliates
that include information relating to the Companies as well as information
unrelated to the Companies but will, to the extent reasonably practicable
without undue burden or expense, make available to the Buyer copies of those
portions of such documents, books, records, agreements and financial data which
contain information relating exclusively to the Companies that is material to
the business or operations of the Companies after the Closing.

              (ii) The Companies shall retain and maintain all books, records
and other documents pertaining to the Companies and their assets, liabilities,
financial condition, business and operations to the extent pertaining to periods
beginning or events occurring prior to the Closing Date (including all Tax and
accounting records and information, Tax Returns, work papers, correspondence
with Governmental Bodies and accountants and other documents with respect to Tax
and accounting matters relating to any period beginning before the Effective
Date) and make the same available to the Seller and its agents and
representatives, upon reasonable request and reasonable advance notice during
normal business hours, for inspection, review and copying at the Seller's sole
expense. For a period of seven (7) years following the Closing Date, the Buyer
and each of the Companies shall not transfer, destroy, alter or dispose of any
such books, records and documents maintained by them without giving the Seller
reasonable prior notice thereof and the opportunity to take possession of any or
all of such

                                      -42-
<PAGE>   44
books, records and documents which the Buyer or either Company intends to
transfer, destroy, alter or dispose of. The foregoing provisions of this Section
5(l)(ii) shall not prevent the Buyer from transferring to any third-party
transferee of all or substantially all of the capital stock or assets of either
Company any such books, records and documents relating to such Company, and the
Buyer shall have no further obligation hereunder in respect of any such books,
records and documents so transferred; provided, however, that the foregoing
provisions of this Section 5(l)(ii) shall continue to be binding on the Buyer
with respect to any books, records and documents of the Buyer or in the Buyer's
possession relating to such Company that are not so transferred by the Buyer to
such third-party transferee; provided, further, that the Buyer shall make it a
condition of any such transfer of capital stock or assets of either Company
during the aforesaid seven (7) year period that the transferee agree in writing,
in a manner directly enforceable by the Seller and in form and substance
reasonably satisfactory to the Seller, to maintain and retain books, records and
other documents relating to such Company and provide access thereto for Seller,
in the aforesaid manner, and any purported transfer in violation of the
foregoing restriction shall be null and void and of no force or effect.

              (iii) Any documents, books, records, agreements or financial data
of or relating to each Company retained by the Seller or provided by the Buyer
to the Seller subsequent to the Closing shall be deemed to be confidential
("BUYER'S CONFIDENTIAL INFORMATION"), and, after the Closing Date, the Seller
will (y) treat and hold as confidential all Buyer's Confidential Information,
and (z) refrain from using any of the Buyer's Confidential Information except in
connection with this Agreement or as an employee of the Seller or any Other
Affiliates or as required by law. In the event that the Seller is requested or
required (by oral question or written request for information or documents in
any legal proceeding, interrogatory, subpoena, civil investigative demand, or
similar legal proceeding) to disclose any Buyer's Confidential Information, the
Seller will notify Buyer promptly of the request or requirement and shall
reasonably cooperate with the Buyer at the Buyer's request and expense in any
reasonable and appropriate efforts taken by the Buyer to prevent or limit such
disclosure. Buyer's Confidential Information shall not include any information
that has become generally known to or available for use by the public or any
information also provided to the Seller or any of the Other Affiliates by a
third party that is not known to the Seller or such other Affiliate to have
provided such information in violation of any confidentiality obligation to the
Buyer or either Company.

                                      -43-
<PAGE>   45
              (m) NO SOLICITATION OF EMPLOYEES. If this Agreement is terminated,
the Buyer will not, for a period of two (2) years thereafter, directly or
indirectly propose, solicit, encourage, entice or seek to induce any person who
is an employee of the Seller or either Company as of the date hereof, or at any
time hereafter that precedes such termination, to terminate his or her
employment with the Seller or such Company. If the Closing occurs, the Seller
will not, for a period of two (2) years thereafter, directly or indirectly
propose, solicit, encourage, entice or seek to induce any person who is an
employee of either Company as of the date hereof, or at any time hereafter that
precedes the Closing, to terminate his or her employment with such Company.

              (n) EMPLOYEE BENEFIT PLANS. The following provisions shall apply
with respect to the specific benefits referred to below:

                           (i) PENSION BENEFITS.

                           (A) On or prior to the Closing Date, the Buyer shall
                  establish or designate or cause to be established or
                  designated one or more defined contribution retirement plan or
                  plans of the Buyer, an Affiliate of the Buyer or each of the
                  Companies qualified under section 401(a) of the Code and
                  containing an arrangement meeting the requirements of section
                  401(k) of the Code (collectively, the "COMPANIES' 401(K)
                  PLAN"), and, upon receipt of evidence reasonably satisfactory
                  to the Seller that the Companies' 401(k) Plan is qualified
                  under section 401(a) of the Code and meets the requirements of
                  section 401(k) of the Code, the Seller shall cause to be
                  transferred to the Companies' 401(k) Plan all of the assets
                  and liabilities pertaining to all current employees of the
                  Companies as of the Closing Date (including any part-time
                  employees and employees on temporary leaves of absence
                  (including disability leaves) or lay-offs who are entitled to
                  coverage under the relevant plan as of the Closing Date)
                  (collectively, "CURRENT EMPLOYEES" and each, a "CURRENT
                  EMPLOYEE") from the Zemex Corporation 401(k) Retirement
                  Savings Plan (the "SELLER'S 401(k) PLAN"). Assets and
                  liabilities relating to persons who were former employees of
                  the Companies as of the Closing Date shall be retained in the
                  Seller's 401(k) Plan or assigned to other Employee Benefit
                  Plans of the Seller or the Other Affiliates. Effective as of
                  the Closing Date, the Buyer or one or more of the Companies or
                  the direct or indirect owner(s) thereof shall assume
                  sponsorship of the Companies' 401(k) Plan, and the Seller
                  shall have no obligation or liability in respect of such
                  sponsorship. With respect to notes evidencing plan loans, the
                  Seller's 401(k) Plan shall assign such notes to the Companies'
                  401(k) Plan. The interests transferred to the Companies'
                  401(k) Plan shall be fully vested.

                                      -44-
<PAGE>   46

                           (B) On or prior to the Closing Date, the Buyer shall
                  establish or designate or cause to be established or
                  designated one or more defined benefit pension plan or plans
                  of the Buyer, an Affiliate of the Buyer or each of the
                  Companies qualified under section 401(a) of the Code
                  (collectively, the "COMPANIES' DB PLAN") and a trust in
                  accordance with the Companies' DB Plan (the "COMPANIES' DB
                  Trust"). Upon receipt of evidence reasonably satisfactory to
                  the Seller that the Companies' DB Plan is qualified under
                  section 401(a) of the Code, the Seller shall cause the
                  Seller's DB Plan and the trust established pursuant thereto
                  (the "SELLER'S DB TRUST") to transfer to the Companies' DB
                  Plan and the Companies' DB Trust all of the Liabilities of the
                  Seller's DB Plan attributable to the accrued benefits of the
                  Current Employees under the Seller's DB Plan as of the Closing
                  Date, subject to the transfer of assets from the Seller's DB
                  Trust to the Companies' DB Trust in accordance with the terms
                  of this paragraph (B). Assets and liabilities relating to
                  persons who were former employees of the Companies as of the
                  Closing Date shall be retained in the Seller's DB Plan or
                  assigned to other Employee Benefit Plans of the Seller or the
                  Other Affiliates. The Companies' DB Plan shall provide to each
                  of the Current Employees all of his or her benefits accrued
                  under the Seller's DB Plan as of the Closing Date. The accrued
                  benefits required to be provided to the Current Employees
                  under the Companies' DB Plan shall be determined under the
                  terms of the Seller's DB Plan as in effect immediately prior
                  to the Closing Date (provided that no improvements thereto
                  shall be made after the date hereof that affect Current
                  Employees without the prior consent of the Buyer), including
                  the terms of the early retirement benefits, retirement type
                  subsidies, optional forms of benefit and all other protected
                  benefits described in Section 204(g) of ERISA, section
                  411(d)(6) of the Code and Treasury Regulation Section
                  1.411(d)-4. The Buyer and the Companies shall reasonably
                  cooperate to effectuate the foregoing. Prior to the Closing
                  Date, the Seller shall designate the date (the "ASSET TRANSFER
                  DATE") on which assets of the Seller's DB Trust shall be
                  transferred to the Companies' DB Trust in connection with the
                  transfer of Liabilities provided for above, and shall notify
                  the Buyer thereof. The Asset Transfer Date shall be no later
                  than one (1) year following the Closing Date. Not less than
                  thirty (30) days before the Asset Transfer Date,
                  PriceWaterhouseCoopers LLP, or such other Person then serving
                  as the enrolled actuary for the Seller's DB Plan, shall
                  calculate the amount of assets to be transferred from the
                  Seller's DB Trust to the Companies' DB Trust (the "ASSET
                  TRANSFER AMOUNT"), which shall equal the sum of (y) the amount
                  that would have been sufficient to satisfy the requirements of
                  sections 401(a)(12) and 414(l) of the Code, Treasury
                  Regulation Section 1.414(l)-l and Section 208 of ERISA as of
                  the Closing Date with respect to the transfer of the
                  Liabilities of the Seller's DB Plan attributable to the
                  accrued benefits of the Current Employees as of the Closing
                  Date (using a

                                      -45-
<PAGE>   47
                  discount rate of seven and three-fourths percent (7.75%) and
                  otherwise all applicable assumptions, methods and procedures
                  specified in the then most recent actuarial report for the
                  Seller's DB Plan) and (z) the Seller's DB Plan Surplus Amount.
                  On the Asset Transfer Date, the Seller shall cause the
                  Seller's DB Trust to transfer to the Companies' DB Trust, and
                  the Buyer shall cause the Companies' DB Trust to accept from
                  the Seller's DB Trust, assets in the form of cash (or such
                  other form as may be agreed by the Seller and the Buyer) in an
                  amount equal to the Asset Transfer Amount, plus interest from
                  the Closing Date to the Asset Transfer Date, less benefits
                  paid to the Current Employees by the Seller's DB Plan on or
                  after the Closing Date with interest (such interest to be
                  determined using an interest rate of seven and three-fourths
                  percent (7.75%)). In no event shall any transfers take place
                  which are not in accordance with sections 401(a)(12) and
                  414(l) of the Code.

                           (ii) WELFARE BENEFITS. Effective as of the Closing
                  Date, each Company shall establish or designate a plan or
                  plans, or continue its existing plan or plans (as the case may
                  be) to provide HMO coverage, flexible spending accounts,
                  long-term disability, life insurance, flexible spending
                  accounts and accidental death and dismemberment insurance (but
                  not retiree medical or life insurance) and a plan or plans to
                  provide medical, dental and prescription drug benefits
                  provided by the Seller or such Company (as the case may be)
                  for Current Employees and their covered dependents immediately
                  prior to the Closing Date (collectively, the "COMPANIES'
                  WELFARE BENEFIT PLANS"). The Companies' Welfare Benefit Plans
                  may provide benefits similar to or different from the benefits
                  provided under the Employee Welfare Benefit Plans provided to
                  Current Employees and their covered dependents by the Seller
                  or the Companies as of the day prior to the Closing Date (the
                  "SELLER'S WELFARE BENEFIT PLANS"). Any of the Companies'
                  Welfare Benefit Plans that were not Seller's Welfare Benefit
                  Plans shall waive any waiting period and any exclusions,
                  restrictions and limitations for pre-existing conditions with
                  respect to the Current Employees and their covered dependents.
                  All flexible spending accounts, medical, dental, prescription
                  drug and other welfare benefits claims by Current Employees
                  and their covered dependents under: (y) the Companies' Welfare
                  Benefit Plans that were Seller's Welfare Benefit Plans, to the
                  extent that such claims are incurred on or after the Closing
                  Date (whether or not actually filed prior to such date), and
                  (z) the Companies' Welfare Benefit Plans that were not
                  Seller's Welfare Benefit Plans, shall in each case be the
                  responsibility of the Companies or the Buyer or its other
                  Affiliates, and the Seller and the Other Affiliates shall have
                  no liability or obligation in respect of any such claims.

                                      -46-
<PAGE>   48

                           (iii) BACK-SERVICE CREDIT. Service of each Current
                  Employee shall be recognized by the Buyer's pension plans (to
                  the extent that such plans cover Current Employees), the
                  Companies' 401(k) Plan and the Companies' Welfare Benefit
                  Plans for all purposes, including vesting, benefit accrual,
                  eligibility for benefits, level of benefits and optional forms
                  of payment. In addition, the Companies' Welfare Benefit Plans
                  shall grant credit to the Current Employees and their covered
                  dependents for payments made by such individuals toward
                  out-of-pocket maximums, co-payments and deductibles for the
                  year in which the Closing Date occurs.

                           (iv) ACCRUAL OF BENEFITS UNDER SELLER'S AND
                  COMPANIES' PENSION PLANS. Effective as of the Closing Date or
                  as otherwise provided pursuant to the applicable plan, Current
                  Employees shall cease to accrue benefits under the Seller's
                  401(k) Plan. Service with the Companies, the Buyer or any of
                  the Buyer's other Affiliates after the Closing Date shall not
                  be counted under the Seller's 401(k) Plan for any purpose,
                  including benefit accrual. The Seller shall cause the Seller's
                  401(k) Plan to vest fully all Current Employees in their
                  benefits under such plan, determined as of the Closing Date.
                  The Current Employees of each Company shall be fully vested in
                  their benefits accrued as of the Closing Date under each of
                  the Employee Pension Benefit Plans maintained by such Company.

                           (v) DISABILITY/WORKERS' COMPENSATION. Each Company
                  and its plans shall have responsibility for all unpaid
                  workers' compensation, short-term disability and long-term
                  disability claims made by a Current Employee, whether before
                  or after the Closing Date. With respect to any Current
                  Employee on short-term disability on the Closing Date, each
                  Company shall, at its expense, continue short-term disability
                  coverage on substantially similar terms to those in effect
                  immediately prior to the Closing.

                           (vi) RETIREE PROGRAMS. Each Company or the direct or
                  indirect owner thereof shall provide retiree life insurance,
                  retiree medical and retiree dental benefits to (i) all former
                  employees of such Company who retired prior to the Closing
                  Date and who were covered under retiree health programs of the
                  Seller or its Affiliates (the "RETIREE PROGRAMS") as of the
                  Closing Date, and to their covered dependents and (ii) all
                  employees of such Company who were 50 years of age and older
                  and who had not yet retired as of the Closing Date but who had
                  met the service requirement for coverage under the Retiree
                  Programs as of such date and to their covered dependents. Each
                  Company or the direct or indirect owner thereof shall provide
                  to such persons retiree life insurance, retiree medical and
                  retiree dental benefits reasonably similar to the benefits
                  they were entitled to immediately prior to the Closing Date.

                                      -47-
<PAGE>   49
                           (vii) COBRA COVERAGE. From and after the Closing
                  Date, each Company shall be responsible for any legally
                  mandated continuation of health care coverage for Current
                  Employees and former employees of the Companies and/or their
                  dependents who have a loss of health care coverage due to a
                  qualifying event prior to, on or after the Closing Date.
                  Without limiting the foregoing, compliance with the
                  Comprehensive Omnibus Budget Reconciliation Act of 1985, as
                  amended, in respect of any Current Employee or former employee
                  of the Companies eligible for coverage thereunder on or after
                  the Closing Date, and all costs or expenses associated
                  therewith, shall be the responsibility of the Companies; it
                  being understood that, from and after the Closing Date, such
                  coverage shall be provided under plans, policies and
                  arrangements of the Companies and/or the direct or indirect
                  owners thereof and not under plans, policies and arrangements
                  of the Seller and the Other Affiliates.

                           (viii) VACATION PAY. Each Company will be responsible
                  for vacation pay on and after the Closing Date with respect to
                  all periods of service (whether prior to or after the Closing
                  Date) of all Current Employees who remain employees of such
                  Company.

                           (ix) RELEASE OF SELLER AND OTHER AFFILIATES. As of
                  the Closing Date, the Seller, the Other Affiliates and the
                  Employee Benefit Plans sponsored by them shall be released
                  from and relieved of all Liabilities with respect to Employee
                  Benefit Plans for which the Companies and/or their direct or
                  indirect owners have responsibility following the Closing
                  pursuant to the terms of this Section 5(n) or applicable Laws.
                  The Buyer and each Company shall, and the Buyer shall cause
                  any other direct or indirect owner of each Company to, execute
                  and deliver to the Seller such instruments, and take such
                  other actions, as the Seller may reasonably request to
                  effectuate or evidence such releases. The Buyer shall
                  indemnify the Seller and the Other Affiliates in respect of
                  such Liabilities in accordance with the terms of Section 7.

                           (x) ZEMEX STOCK PURCHASE PLAN. After the Closing
                  Date, the Seller and the Companies shall continue to implement
                  and administer the stock purchases made on behalf of employees
                  of the Companies prior to the Closing Date, but not vested as
                  of the Closing Date, under the Zemex Corporation Employee
                  Stock Purchase Plan (the "ZEMEX STOCK PURCHASE PLAN") in
                  accordance with the terms of such plan and in a manner
                  consistent with past practice (including the practices
                  described on Annex IX), until such time as all such stock
                  purchases have fully vested in accordance with the terms of
                  such plan.

                                      -48-
<PAGE>   50
              (o) DIRECTOR AND OFFICER LIABILITY AND INDEMNIFICATION. Unless
expressly required to do so by applicable law, neither Company shall, nor shall
the Buyer cause or permit either Company to, amend, repeal or modify any
provision in such Company's organizational documents relating to the exculpation
or indemnification of former directors, officers, employees or agents in any
manner that would be less favorable to such former directors, officers,
employees or agents than the provisions of such organizational documents as in
effect immediately prior to the Closing, it being the intent of the Contract
Parties that, after the Closing, those persons who served as the directors,
officers, employees and agents of the Companies prior to the Closing shall
continue to be entitled to such exculpation and indemnification to the fullest
extent permitted under applicable law on terms at least as favorable to them as
those provided in the organizational documents of the Companies as in effect
immediately prior to the Closing. The foregoing provisions of this Section 5(o)
shall be binding on the Buyer as to each Company only during such time as such
Company is an Affiliate of the Buyer; provided, however, that the Buyer shall
make it a condition of any transfer of capital stock or assets of either Company
that the transferee agree in writing, in a manner directly enforceable by the
Seller and in form and substance reasonably satisfactory to the Seller, to cause
such Company to comply with the foregoing terms of this Section 5(o), and any
purported transfer in violation of the foregoing restriction shall be null and
void and of no force or effect.

                  (p) INSURANCE.

                           (i) The Seller agrees to cooperate and to cause the
                  Other Affiliates to cooperate with the Buyer and the Companies
                  after the Closing in submitting claims ("INSURANCE CLAIMS") on
                  behalf of the Buyer or the Companies under the insurance
                  policies of the Seller or the Other Affiliates listed on Annex
                  VI "SELLER'S INSURANCE POLICIES") for Business
                  Liabilities constituting covered losses relating to or arising
                  out of occurrences prior to the Closing. Any insurance
                  proceeds awarded or other amounts paid in respect of such
                  Insurance Claims to the Seller shall be remitted to the Buyer,
                  after deduction of any amounts due to the Seller and the Other
                  Affiliates pursuant to this paragraph. The Buyer agrees to
                  reimburse, indemnify and hold harmless the Seller and the
                  Other Affiliates from all liabilities, costs and expenses of
                  any nature (including present, retrospective or future
                  premiums, self-insured retention amounts, deductibles, legal
                  and administrative costs, costs of investigation and
                  attorneys' fees (whether or not incurred by the

                                      -49-
<PAGE>   51
         Seller or such Other Affiliates as a result of Insurance Claims under
         Seller's Insurance Policies pursuant to this paragraph.

            (ii) The Buyer agrees to cooperate and to cause the Companies to
      cooperate with the Seller and the Other Affiliates after the Closing in
      submitting, processing and prosecuting Insurance Claims made on, prior to
      or after the date hereof by or on behalf of the Seller or any Other
      Affiliate with respect to Business Liabilities constituting covered losses
      relating to or arising out of occurrences prior to the Effective Date. Any
      insurance proceeds awarded or other amounts paid to the Seller or any
      Other Affiliates in respect of such Insurance Claims shall be retained by
      them, and any such proceeds or amounts paid to either of the Companies,
      the Buyer or any of its Affiliates will promptly be remitted to the
      Seller, after deduction of any amounts due to the Buyer pursuant to this
      paragraph. The Seller agrees to reimburse the Buyer for any overhead,
      legal and administrative costs (e.g., time of officers and employees of
      the Companies spent in preparing and prosecuting Insurance Claims at the
      Seller's request, charged at reasonable hourly rates) and out-of-pocket
      costs and expenses incurred by the Companies or the Buyer as a result of
      Insurance Claims under Seller's Insurance Policies pursuant to this
      paragraph. Notwithstanding anything to the contrary set forth in this
      paragraph (ii) or in paragraph (i) above, terms of Annex VII shall govern
      the Insurance Claims described in said Annex.

            (iii) The Seller and the Other Affiliates shall have no
      responsibility for obtaining, or for maintaining after the Closing, any
      insurance coverage in respect of Business Liabilities, whether relating to
      or arising out of occurrences prior to, at or subsequent to the Closing,
      nor any responsibility for otherwise bearing any such Business Liability
      except to such extent as may be expressly provided by the provisions of
      this Agreement other than this Section 5(p), and nothing herein shall
      create any obligation on the part of the Seller to provide any insurance
      coverage for any loss, liability, lien, damage or expense of the Buyer or
      the Companies; provided, however, that the Seller shall not take any
      actions to terminate or limit such coverage as the Companies may have
      under the Seller's Insurance Policies for Business Liabilities relating to
      or arising out of occurrences prior to the Closing (it being agreed,
      however, that the Seller shall have the right (and intends to) to delete
      the Companies from coverage under the Seller's Insurance Policies,
      effective as of the Closing Date, for Business Liabilities relating to or
      arising out of occurrences on and after the Closing Date). Notwithstanding
      any of the provisions of this Section 5(p), neither the Buyer nor any of
      its Affiliates, successors or assigns (including the Companies following
      the Closing) shall have any right to make any claim directly against the
      Seller or any Other Affiliate, except as otherwise expressly set forth in
      this Agreement.


                                     - 50 -
<PAGE>   52
            (iv) Prior to the Closing Date (or the earlier termination of this
      Agreement in accordance with the terms hereof), the Seller shall not
      voluntarily (y) terminate any of the Seller's Insurance Policies set forth
      in Annex V or (z) modify in any Material respect the terms or conditions
      thereof as set forth in the copies thereof that have been provided to the
      Buyer on or prior to the date hereof.

      (q) FURTHER ASSURANCES AFTER THE CLOSING. At any time and from time to
time after the Closing, each of the Contract Parties shall take such further
action (including the execution and delivery of such further instruments and
documents) as any other Contract Party reasonably may request as necessary or
desirable to evidence or effectuate the transactions contemplated by this
Agreement or otherwise to carry out the purposes of this Agreement, all at the
sole cost and expense of the requesting Contract Party (except to the extent
that the Contract Party taking such action is required to do so at its own cost
and expense, or is otherwise made responsible for such cost and expense, by the
express terms of any other provision of this Agreement).

      (r) SECTION 338(H)(10) ELECTION. At the Buyer's request, and subject to
the Buyer's compliance with Section 5(t), the Seller will join with the Buyer in
making an election under section 338(h)(10) of the Code (and any corresponding
election under state, local or foreign tax law) with respect to the purchase and
sale of the Shares of either or both (as the Buyer may request) of the Companies
(the "SECTION 338(h)(10) ELECTION").

      (s) INSURANCE FOR REPRESENTATIONS AND WARRANTIES CONTAINED IN SECTION 4.
The Parties will take such steps as are reasonably necessary to procure for the
benefit of the Buyer, effective as of the Closing Date, insurance coverage with
respect to the representations and warranties of the Seller set forth in Section
4(a) (ownership of the Shares), Section 4(b) (absence of undisclosed
liabilities), Section 4(c) (tax matters), Section 4(d) (certain assets), Section
4(e) (contracts), Section 4(f) (employee and labor matters), Section 4(g)
(employee benefits), Section 4(i) (legal compliance) and Section 4(j) (operation
of the Companies during Pre-Closing Period) (the "R&W INSURANCE") and,
separately, insurance coverage with respect to the representations and
warranties of the Seller set forth in Section 4(h) (the "ENVIRONMENTAL
INSURANCE"); provided, that the R&W Insurance and the Environmental Insurance is
available on the terms and conditions described in this Section 5(s) and such
other terms and conditions as are mutually acceptable to each of the Buyer and
the Seller (collectively, the "TRANSACTION INSURANCE"). The representations and
warranties set forth in Section 4 are referred to herein collectively as the
"INSURED REPRESENTATIONS AND WARRANTIES" and each individually as an "INSURED
REPRESENTATION AND WARRANTY." The Transaction


                                     - 51 -
<PAGE>   53
Insurance shall be purchased from one or more of the insurers referred to on
Annex VI or such other insurer(s) as are mutually acceptable to each of the
Buyer and the Seller. The R&W Insurance shall (i) have a term of eighteen (18)
months from the Closing Date (provided, however, that coverage in respect of the
representations and warranties set forth in Section 4(c) (tax matters) shall be
for the period of the applicable statute of limitations for the tax matter at
issue) but in no event more than six (6) years from the Closing Date; provided,
further, that coverage in respect of the representations and warranties set
forth in Section 4(j) (operation of the Companies during Pre-Closing Period)
shall be limited to matters as to which notice of claim is delivered to the
insurer(s) on or before May 31, 2000), (ii) provide coverage with an aggregate
limit of Five Million United States Dollars (US$5,000,000), and (iii) be subject
to a deductible/retention of One Hundred Thousand United States Dollars
(US$100,000) per claim and an aggregate maximum deductible/retention of Two
Hundred Fifty Thousand United States Dollars (US$250,000). The Environmental
Insurance shall (x) have a term of five (5) years from the Closing Date, (y)
provide coverage with an aggregate limit of Seven Million Five Hundred Thousand
United States Dollars (US$7,500,000), and (z) be subject to a deductible/
retention of Two Hundred Fifty Thousand United States Dollars (US$250,000). The
Seller shall prepay the insurance premiums for the Transaction Insurance
coverage described above for the coverage periods set forth above, provided that
such coverage is available on terms and conditions mutually acceptable to each
of the Buyer and the Seller. Any and all deductible/retention amounts applicable
to an insurance claim made under the Transaction Insurance shall be paid by and
be the sole responsibility of the insured party making such insurance claim (or,
if different, the insured party that is entitled pursuant to the terms of this
Agreement to receive and retain any insurance proceeds recoverable in respect of
such insurance claim). The Contract Party that is the primary or first named
insured under any policy of Transaction Insurance shall perform all duties and
administrative functions conferred upon of the primary or first named insured
thereunder (including delivery of notices to and acting as agent for all
insureds as provided in such policy) and shall not take any action (or fail to
take any action) if such action (or failure) would, pursuant to the terms of
such policy, cause or result in the cancellation or modification of the coverage
under or the terms and conditions of such policy without the prior written
consent of each other Contract Party that is an insured thereunder and whose
coverage would be affected by such cancellation or modification; provided,
however, that the Seller shall not be the primary or first named insured under
any policy of Transaction Insurance. The Seller shall pay the premiums for the
coverage under the Transaction Insurance as described above

      (t) EXTRA TAXES.


                                     - 52 -
<PAGE>   54
            (i) Any Extra Taxes (as defined below) shall be the responsibility
      of and be paid by the Buyer, and, notwithstanding any other allocation of
      Tax liabilities set forth in this Agreement, no Extra Taxes shall be borne
      by or be the responsibility of the Seller or any Other Affiliate. The
      Buyer shall indemnify and hold the Seller and each Other Affiliate
      harmless with respect to all Extra Taxes incurred or paid by the Seller or
      such Other Affiliate (as the case may be). The Buyer also shall pay to the
      Seller and any Other Affiliate any and all additional sums as may be
      necessary to reimburse the Seller or such Other Affiliate for federal,
      state or local income taxes that the Seller or such Other Affiliate is
      required to pay with respect to any indemnification payments made by the
      Buyer pursuant to this Section 5(t) (together with payments required by
      this sentence) so that the Seller or such Other Affiliate, after taking
      into account Seller Group's Ordinary Taxes (as defined below) that are the
      obligation of the Seller and the Other Affiliates, is in the same
      after-tax position it would have been in had the transaction been
      structured in such a way that the Seller and the Other Affiliates would
      have been responsible only for Seller Group's Ordinary Taxes.

            (ii) "EXTRA TAXES" means all Federal Income Taxes, if any, payable
      by the Seller and/or the Other Affiliates in respect of the Pre-Closing
      Period in excess of the Seller Group's Ordinary Taxes. "SELLER GROUP'S
      ORDINARY TAXES" means all Federal Income Taxes that an Affiliated Group
      comprising the Seller and its Subsidiaries other than the Companies (the
      "SELLER GROUP") would have been required to pay for the Pre-Closing Period
      if the transactions contemplated by this Agreement had been consummated on
      the Effective Date, rather than on the Closing Date, as a sale and
      purchase of the Shares without any Section 338(h)(10) Election being made.

            (iii) The amount of any Extra Taxes shall be determined in the
      following manner: Following the Closing Date, the Seller's Auditors shall
      compute, and shall prepare reasonably detailed worksheets and other
      supporting documentation with respect to their computation of: (A) the
      Federal Income Tax liability that would be reported on a Consolidated Tax
      Return for the Pre-Closing Period that (y) includes the income,
      activities, transactions and operations of each member of the Affiliated
      Group that includes the Seller and its Subsidiaries (including the
      Companies) and (z) in all respects reflects,


                                     - 53 -
<PAGE>   55
      takes into account and assumes the consummation of the transactions
      contemplated by this Agreement on the Closing Date as a sale and purchase
      of the Shares with the Section 338(h)(10) Election being made (the
      "TRANSACTION TAX COMPUTATION"); and (B) the Federal Income Tax liability
      that would be reported on a Consolidated Tax Return for the Pre-Closing
      Period that (y) includes the income, activities, transactions and
      operations of each member of the Seller Group and (z) in all respects
      reflects, takes into account and assumes the consummation of the
      transactions contemplated by this Agreement as if it had occurred on the
      Effective Date, rather than on the Closing Date, as a sale and purchase of
      the Shares without any Section 338(h)(10) Election being made (the "SELLER
      GROUP'S ORDINARY TAX COMPUTATION"). The Seller shall deliver (or cause to
      be delivered) to the Buyer copies of the Transaction Tax Computation and
      the Seller Group's Ordinary Tax Computation promptly after the Seller's
      receipt thereof. Except as provided in paragraph (iv) below with respect
      to additional Extra Taxes, the amount (if any) by which the Federal Income
      Tax liability (before deduction of any estimated Tax payments or other
      pre-payments) set forth on the Transaction Tax Computation exceeds the
      Federal Income Tax liability (before deduction of any estimated Tax
      payments or other pre-payments) set forth on the Seller Group's Ordinary
      Tax Computation shall conclusively constitute the Extra Taxes, unless the
      Seller shall receive written notice from the Buyer within thirty (30) days
      after delivery to the Buyer of the Transaction Tax Computation and the
      Seller Group's Ordinary Tax Computation that the Buyer believes in good
      faith that the amount of Extra Taxes as so determined by the Seller's
      Auditors is incorrect. Such notice shall specify in reasonable detail all
      items that are being disputed and a summary of the reasons for such
      dispute and shall only be given by the Buyer in the event that such
      dispute relates to an alleged overstatement of Extra Taxes by more than
      US$5,000. At the request of either Party, such dispute shall be referred
      to the Disputes Auditor for decision, which decision shall (subject to
      paragraph (iv) below) be final and binding on, and non-appealable by, the
      Contract Parties, unless the Parties shall agree to a resolution of such
      dispute prior to the date on which the Disputes Auditor renders its
      decision, in which case the Parties shall so notify the Disputes Auditor
      in writing, and such agreement of the Parties shall (subject to paragraph
      (iv) below) be final and binding on, and non-appealable by, the Contract
      Parties. The Disputes Auditor shall be engaged jointly by the Parties and
      shall be directed by the Parties to issue a single written decision that
      covers and resolves all disputes relating to Extra Taxes that are referred
      to the Disputes Auditor and are not resolved by mutual agreement of the
      Parties prior to issuance of such written decision. Any fees payable to
      the Disputes Auditor in respect of the matters referred to in this Section
      5(t) shall be paid by the Buyer.

            (iv) Extra Taxes in addition to those determined in accordance with
      paragraph (iii) above may arise if the Seller receives notification from a
      taxing authority as to a matter or matters that, if taken into account in
      the preparation of the Transaction Tax Computation or the Seller's Group
      Ordinary Return would have affected the computation of the Tax liability
      reported thereon (any such notification, a "TAX CLAIM"). The Seller shall
      be


                                     - 54 -
<PAGE>   56
      entitled to reimbursement from the Buyer of any additional Extra Taxes
      incurred as a result of such Tax Claim and to reimbursement from the Buyer
      for any reasonable expenses incurred in defending or otherwise addressing
      such Tax Claim. If the Seller intends to seek indemnity or reimbursement
      with respect thereto under this paragraph (iv), the Seller shall promptly
      notify the Buyer in writing of such Tax Claim. The extent to which the Tax
      Claim creates additional Extra Taxes shall be determined by the Seller's
      Auditors, subject to the resolution of any dispute raised in good faith by
      the Buyer (with respect to an alleged overstatement of additional Extra
      Taxes by more than US$5,000) in accordance with the procedure set forth in
      paragraph (iii) above (mutatis mutandis). The Buyer shall have fifteen
      (15) days after receipt of the determination of such additional Extra
      Taxes to undertake, through counsel of its own choosing and at its own
      expense, the defense of the Tax Claim (but in no event may the Buyer's
      determination of whether to undertake such defense be made less than five
      (5) days prior to the expiration of the period allotted by the taxing
      authority for asserting such defense). If the Buyer elects to undertake
      such defense, the Buyer shall ensure that the Buyer's counsel regularly
      informs the Seller or its counsel of the Buyer's intended course of
      defense prior to presentation of such defense to any taxing authority, and
      that the Seller or its counsel shall have the opportunity to be present at
      any meeting with a representative of any taxing authority, to participate
      in any telephone conversation and to review, prior to its dissemination,
      any correspondence with any taxing authority, and the Seller shall
      cooperate with it in connection therewith and the Seller may participate
      in such settlement or defense through counsel chosen by the Seller.
      Whether or not the Buyer shall have assumed the defense of a Tax Claim,
      (y) the Seller shall not admit any liability with respect to, or settle,
      compromise or discharge, such Tax Claim without the Buyer' prior written
      consent, and (z) no Contract Party shall, without the written consent of
      either Party, settle or compromise or consent to the entry of any judgment
      with respect to any action or Tax Claim if the effect thereof is to admit
      any criminal liability by, or to permit any injunctive relief or other
      order providing non-monetary relief to be entered against, such Party.

            (v) The obligations of the Parties under this Section 5(t) shall
      extend throughout any applicable Tax statute of limitations and shall not
      be subject to any limitations as to amount.

                     6. CONDITIONS TO OBLIGATIONS TO CLOSE.

      (a) CONDITIONS TO CLOSING OBLIGATION OF THE BUYER. The obligations of the
Buyer to consummate the transactions to be performed by it in connection


                                     - 55 -
<PAGE>   57
with the Closing are subject to the satisfaction, or the waiver by the Buyer in
writing, of the following conditions:

            (i) the representations and warranties of the Seller set forth in
      Section 3(a) and in Section 4(a) (ownership of the Shares), Section 4(i)
      (legal compliance) and Section 4(j) (operation of Companies during
      Pre-Closing Period) shall be true and correct in all Material respects at
      and as of the Closing Date as if made at and as of the Closing Date;
      provided, however, that the condition set forth in this clause (i) shall
      be deemed to be satisfied if the aggregate amount of Loss incurred by the
      Companies in respect of any inaccuracies of such representations and
      warranties does not exceed One Hundred Thousand United States Dollars
      (US$100,000); provided, further, that the terms of the immediately
      preceding proviso shall not limit or restrict any rights that the Buyer
      may have to obtain any applicable Purchase Price Adjustments pursuant to
      the terms of Section 2.

            (ii) the Seller shall have performed and complied with in all
      material respects all the covenants and agreements required to be
      performed and complied with by it hereunder prior to or at the Closing,
      including the covenants and agreements of the Seller set forth in Section
      5(b);

            (iii) the Seller shall have delivered to the Buyer a certificate of
      the Seller, dated the Closing Date, to the effect that each of the
      conditions specified in clauses (i) and (ii) above has been satisfied;

            (iv) the Seller shall have delivered to the Buyer a certified copy
      of the resolutions duly adopted by the Seller's board of directors
      authorizing the execution, delivery and performance of this Agreement;

            (v) all other material documents and instruments expressly required
      by the terms of this Agreement to be delivered by the Seller and/or the
      Companies to the Buyer at or prior to the Closing shall have been
      delivered;

            (vi) all material consents, approvals and authorizations of, and all
      material filings with and notifications to Governmental Bodies that are
      necessary on the part of the Seller, the Companies or the Buyer, or their
      respective Affiliates, for the execution and delivery of this Agreement
      and the consummation of the transactions contemplated hereby, shall have
      been obtained or effected, and all applicable waiting periods, if any,
      including any extensions thereof, under any applicable law, statute,
      regulation or rule, including the HSR Act, if applicable (but subject to
      the terms of Section 5(f)), shall have expired or been terminated, as
      applicable;


                                     - 56 -
<PAGE>   58
            (vii) the Parties and the Companies shall have procured all other
      third-party consents necessary for the execution, delivery and performance
      of this Agreement by the Parties and the consummation by the Parties and
      the Companies of the transactions contemplated hereby (including any
      required notices and consents under the hydrogen agreement, electricity
      supply contracts and natural gas contract referred to in Annex I), except
      for any such consents to be obtained by the Seller or either of the
      Companies which, if not obtained, would not have a Material Adverse
      Effect;

            (viii) no Law shall have been enacted, and no Order shall be in
      effect against either Party, either Company, any Affiliate of the
      foregoing or any officer, director, member or principal of any of the
      foregoing, which restrains, prevents or prohibits the consummation of any
      of the transactions contemplated by this Agreement;

            (ix) the Buyer shall have received the written resignations of each
      director of each of the Companies, effective as of the Closing;

            (x) the Seller shall have delivered to the Buyer an opinion of Hogan
      & Hartson L.L.P., counsel to the Seller, addressed to the Buyer, with
      respect to incorporation and valid existence of the Seller and each of the
      Companies, due authorization, execution and delivery of this Agreement and
      the Escrow Agreement by the Seller, due issuance and record ownership of
      the Shares, regulatory approval (to the extent required by applicable
      Laws) of the Seller's entering into the transactions contemplated hereby
      and thereby, authorized capital structure of each of the Companies, and to
      the knowledge of such counsel: (y) nonviolation of (A) the Certificate of
      Incorporation and By-Laws of the Seller and the Companies, (B) the
      Delaware General Corporation Law, the New York Business Corporation Law or
      other New York statutory law that in the experience of such counsel is
      applicable to transactions of this type and (C) certain agreements to be
      specified in a schedule to such opinion; and (z) based upon review of such
      counsel's litigation docket, no pending litigation against the Seller, the
      Companies or their respective assets that, if determined adversely to the
      Seller or the Companies, could reasonably be expected to have a Material
      Adverse Effect on the Business of a Company or result in the issuance of
      an Order restraining, enjoining or otherwise prohibiting or making illegal
      the consummation of the transactions contemplated hereby;

            (xi) the Seller shall have delivered to the Buyer fully executed
      instruments, in form and substance reasonably satisfactory to the Buyer,
      terminating the pledge agreements and guaranties entered into by the
      Companies to secure the indebtedness of the Seller and/or the Other
      Affiliates under the Seller's Secured Notes and the Seller's Credit
      Agreement,


                                     - 57 -
<PAGE>   59
      accompanied by fully executed UCC-3 termination statements providing for
      the termination of all UCC-1 financing statements filed and in effect as
      of the Closing Date with respect to the Security Interests granted by the
      Companies pursuant to such pledge agreements and guaranties;

            (xii) the Seller shall have delivered to the Buyer fully executed
      instruments, in form and substance reasonably satisfactory to the Buyer,
      terminating the Seller's pledge of the Shares granted by the Seller to
      secure the obligations of the Seller and/or the Other Affiliates under the
      Seller's Secured Notes and the Seller's Credit Agreement, accompanied by
      fully executed UCC-3 termination statements providing for the termination
      of all UCC-1 financing statements (if any) filed and in effect as of the
      Closing Date with respect to the Security Interests granted by the
      Companies pursuant to such pledge of the Shares;

            (xiii) the Seller shall have delivered to the Buyer an incumbency
      certificate with respect to the officer(s) of the Seller who have executed
      this Agreement and the Escrow Agreement on behalf of the Seller and the
      certificates and other documents to be executed and delivered by the
      Seller at the Closing;

            (xiv) the Seller shall have delivered to the Buyer an incumbency
      certificate of each Company with respect to the chief executive officer,
      chief financial officer and secretary of such Company and the persons
      serving as directors of each company immediately prior to the resignations
      contemplated by clause (ix) above;

            (xv) the Seller shall have delivered to the Buyer copies of the
      Certificate of Incorporation and By-Laws of each Company, certified by the
      Secretary or an Assistant Secretary of such Company as being true and
      complete copies of such documents as in effect on the Closing Date;

            (xvi) the Seller, each of the Companies and each of the Other
      Affiliates to be included in the Consolidated Tax Return for the Tax
      period ended December 31, 1999 and/or the Pre-Closing Period Consolidated
      Return shall have executed and delivered the Tax Allocation Agreement;

            (xvii) the Seller shall have delivered to the Buyer an estoppel
      certificate of the landlord of the Maryville, Tennessee facility,
      substantially in the form of Exhibit C;

            (xviii) the Seller and the Escrow Agent each shall have executed and
      delivered to the Buyer the Escrow Agreement;


                                     - 58 -
<PAGE>   60
            (xix) the Transaction Insurance on terms satisfactory to the Buyer
      shall have been obtained in accordance with Section 5(s) and the Seller
      shall have prepaid the premiums for the Transaction Insurance for the
      coverage periods set forth in Section 5(s);

            (xx) the Seller shall have delivered to the Buyer certificates of
      insurance evidencing that each of the Seller's Insurance Policies listed
      on Annex VI was in effect immediately prior to the Closing;

            (xxi) the Seller shall have delivered to the Buyer letters dated as
      of the Closing Date from all authorized signatories of all bank accounts
      of the Companies pursuant to which such persons resign as authorized
      signatories of such accounts and acknowledge that, effective as of the
      Closing Date, they have no further authority to draw funds or give
      instructions on behalf of the Companies in respect of such accounts;

            (xxii) no Order shall have been issued after the date hereof and
      prior to the Closing Date that by its terms permanently prohibits the
      Companies from conducting all or substantially all of the business
      operations presently conducted by them, and there shall not have occurred
      after the date hereof and prior to the Closing Date any incident, event,
      action or condition or combination of the foregoing that has caused (x)
      the cessation of all or substantially all of the operations of any one of
      the four facilities of the Companies permanently or for an indefinite
      period of time that is reasonably expected to exceed six (6) months, (y)
      any one of the four facilities of the Companies located in Niagara Falls,
      New York, St. Marys, Pennsylvania, Greenback, Tennessee and Maryville
      Tennessee to sustain a constructive total loss for insurance purposes, or
      (z) the Companies' title to any one or more of the three facilities
      located in Niagara Falls, New York, St. Marys, Pennsylvania and Greenback,
      Tennessee to be impaired in a manner that prevents the Company owning such
      title from all or substantially all of the use or occupancy of such
      facility in the manner that it is being used or occupied on the date
      hereof; and

            (xxiii) the Seller shall have delivered to the Buyer written
      evidence customary for such transactions or otherwise reasonably
      satisfactory to the Buyer that the items listed on Annex X have been
      discharged or terminated.

      (b) CONDITIONS TO CLOSING OBLIGATION OF THE SELLER. The obligations of the
Seller to consummate the transactions to be performed by it in connection with
the Closing are subject to the satisfaction, or the waiver by the Seller in
writing, of the following conditions:


                                     - 59 -
<PAGE>   61
            (i) the representations and warranties of the Buyer set forth in
      Section 3(b) shall be true and correct in all material respects at and as
      of the Closing Date as if made at and as of the Closing Date, provided,
      however, that the condition set forth in this clause (i) shall be deemed
      to be satisfied if the aggregate amount of Loss incurred by the Seller in
      respect of any inaccuracies of such representations and warranties does
      not exceed One Hundred Thousand United States Dollars (US$100,000);
      provided, further, that the terms of the immediately preceding proviso
      shall not limit or restrict any rights that the Seller may have to obtain
      any applicable Purchase Price Adjustments pursuant to the terms of Section
      2.

            (ii) the Buyer shall have performed and complied with in all
      material respects all the covenants and agreements required to be
      performed and complied with by it hereunder prior to or at the Closing;

            (iii) the Buyer shall have delivered to the Seller a certificate of
      the Buyer, dated the Closing Date, to the effect that each of the
      conditions specified in clauses (i) and (ii) above has been satisfied;

            (iv) the Buyer shall have delivered to the Seller a certified copy
      of the resolutions duly adopted by the Buyer's board of directors
      authorizing the execution, delivery and performance of this Agreement;

            (v) all other material documents and instruments expressly required
      by the terms of this Agreement to be delivered by the Buyer to the Seller
      at or prior to the Closing shall have been delivered;

            (vi) all material consents, approvals and authorizations of, and all
      material filings with and notifications to Governmental Bodies that are
      necessary on the part of the Seller, the Companies or the Buyer, or their
      respective Affiliates, for the execution and delivery of this Agreement
      and the consummation of the transactions contemplated hereby, shall have
      been obtained or effected, and all applicable waiting periods, if any,
      including any extensions thereof, under any applicable law, statute,
      regulation or rule, including the HSR Act, if applicable, shall have
      expired or been terminated, as applicable;

            (vii) the Parties and the Companies shall have procured all other
      third-party consents necessary for the execution, delivery and performance
      of this Agreement by the Parties and the consummation by the Parties and
      the Companies of the transactions contemplated hereby, except for any such
      consents to be obtained by the Companies which, if not obtained, would not
      have a Material Adverse Effect;


                                     - 60 -
<PAGE>   62
            (viii) no Law shall have been enacted, and no Order shall be in
      effect against either Party, either Company, any Affiliate of the
      foregoing or any officer, director, member or principal of any of the
      foregoing, which restrains, prevents or prohibits the consummation of any
      of the transactions contemplated by this Agreement;

            (ix) the Buyer shall have delivered to the Seller an incumbency
      certificate with respect to the officer(s) of the Buyer who have executed
      this Agreement and the Escrow Agreement on behalf of the Buyer and the
      certificates and other documents to be executed and delivered by the Buyer
      at the Closing;

            (x) the Buyer shall have delivered to the Seller an opinion of Foley
      & Lardner, counsel to the Buyer, addressed to the Seller, with respect to
      incorporation and valid existence of the Buyer, due authorization,
      execution and delivery of this Agreement and the Escrow Agreement by the
      Buyer and regulatory approval (to the extent required by applicable Laws)
      of the Buyer's entering into the transactions contemplated hereby and
      thereby and to the knowledge of such counsel: (y) nonviolation of (A) the
      Certificate of Incorporation and By-Laws of the Seller and the Companies,
      (B) the Delaware General Corporation Law, the New York Business
      Corporation Law or other New York statutory law that in the experience of
      such counsel is applicable to transactions of this type and (C) certain
      agreements to be specified in a schedule to such opinion; and (z) based
      upon review of such counsel's litigation docket, no pending litigation
      against the Buyer or its assets that, if determined adversely to the
      Buyer, could reasonably be expected to result in the issuance of an Order
      restraining, enjoining or otherwise prohibiting or making illegal the
      consummation of the transactions contemplated hereby;

            (xi) the Buyer and the Escrow Agent each shall have executed and
      delivered to the Seller the Escrow Agreement; and

            (xii) the Transaction Insurance on terms satisfactory to the Seller
      shall have been obtained in accordance with Section 5(s).

                         7. SURVIVAL; INDEMNIFICATION.

      (a) SURVIVAL. The representations and warranties of the Buyer set forth in
Section 3(b)(v) and Section 3(b)(vi) shall survive the Closing and continue in
full force and effect for a period of eighteen (18) months after the Closing
Date (the "SURVIVAL PERIOD"). The representations and warranties of the Seller
set forth in Section 3(a) and the representations and warranties of the Buyer
set forth in


                                     - 61 -
<PAGE>   63
Section 3(b)(i) through Section 3(b)(iv) and Section 3(b)(vii) shall not survive
the Closing, and all rights and obligations of the Parties in respect thereof
shall terminate upon the Closing. As provided in Section 9, the sole remedy that
the Buyer shall have with respect to any of the representations and warranties
of the Seller set forth in Section 4 shall be such rights as the Buyer may have
under the Transaction Insurance pursuant to Section 5(s) and under the Seller's
Insurance Policies pursuant to Section 5(p) with respect to the Insured
Representations and Warranties for the periods of time after the Closing
described in Section 5(s).

      (b) INDEMNIFICATION BY THE SELLER. Subject to the other provisions of this
Section 7 and to the provisions of Section 9, the Seller agrees to defend,
indemnify and hold harmless the Buyer and its successors and assigns
(individually, a "BUYER INDEMNITEE" and collectively, the "BUYER INDEMNITEES"),
against and in respect of:

            (i) any and all losses, damages, deficiencies or liabilities caused
      by, resulting or arising from any failure by the Seller to perform or
      otherwise fulfill or comply with (A) if this Agreement is terminated, any
      covenant, undertaking, agreement or obligation required to be performed,
      fulfilled or complied with by the Seller prior to such termination, or (B)
      if the Closing occurs, any covenant, undertaking, agreement or obligation
      hereunder to be performed, fulfilled or otherwise complied with by the
      Seller after the Closing; provided, however, that that nothing in this
      clause (i) shall be construed to require the Seller to indemnify any Buyer
      Indemnitee with respect to (x) any matter constituting a breach of any
      representation or warranty of the Seller or (z) any matter referred to in
      Section 5(k);

            (ii) if the Closing occurs, any Tax liability incurred by the Buyer
      or either of the Companies (including liability under Treasury Regulation
      Section 1.1502-6) for (y) Federal Income Taxes in respect of the income,
      activities, transactions or operations of the Seller, the Companies and
      the Other Affiliates during Pre-Effective Date Tax Periods and (z) Federal
      Income Taxes in respect of the income, activities, transactions or
      operations of the Seller and the Other Affiliates payable in respect of
      the Pre-Closing Date Tax Period; provided, however, that the Seller's
      obligations set forth in this paragraph (ii) shall be subject to the
      limitations set forth in Section 5(t) and shall only apply to such
      liabilities of the Buyer or the Companies referred to in this paragraph
      (ii) as are not otherwise paid, reimbursed or indemnified by the Seller or
      any Other Affiliate(s) pursuant to the terms of the Tax Allocation
      Agreement; and

            (iii) any and all actions, suits, proceedings claims, liabilities,
      demands, assessments, judgments, awards, costs and expenses, including


                                     - 62 -
<PAGE>   64
      reasonable attorneys' fees (whether or not incurred by a Buyer Indemnitee
      in connection with any action, suit, proceeding or claim against the
      Seller hereunder), incident to any of the foregoing or to the Seller's
      indemnification obligations under this Section 7.

      (c) INDEMNIFICATION BY THE BUYER. Subject to the other provisions of this
Section 7, the Buyer agrees to defend, indemnify and hold harmless the Seller,
the Other Affiliates and their respective successors and assigns (individually,
a "SELLER INDEMNITEE" and collectively, the "SELLER INDEMNITEES"), against and
in respect of:

            (i) any and all losses, damages, deficiencies or liabilities caused
      by, resulting or arising from any failure by the Buyer to perform or
      otherwise fulfill or comply with (A) if this Agreement is terminated, any
      covenant, undertaking, agreement or obligation required to be performed,
      fulfilled or complied with by the Buyer prior to such termination, or (B)
      if the Closing occurs, any covenant, undertaking, agreement or obligation
      hereunder to be performed, fulfilled or otherwise complied with by the
      Buyer after the Closing;

            (ii) any breach of any of the representations and warranties of the
      Buyer set forth in Section 3(b)(v) and Section 3(b)(vi);

            (iii) if the Closing occurs, (y) any Other Taxes of the Companies
      attributable to (A) any Tax period (or portion of any Tax period,
      including any Overlap Tax Period) beginning on or after the Effective
      Date, (B) the business, operations or activities of either or both of the
      Companies after the Effective Date, or (C) actions taken, omissions
      committed or elections made or not made by the Buyer or the Companies
      after the Effective Date, and (z) any Federal Income Taxes attributable to
      (A) the income, activities, transactions or operations of either or both
      of the Companies in respect of any Tax period (or portion thereof) after
      the Closing Date or (B) actions taken, omissions committed or elections
      made or not made by the Buyer or the Companies after the Closing Date;

            (iv) if the Closing occurs, any and all Liabilities of the Seller
      and its Affiliates assumed by the Buyer or any Affiliate of the Buyer
      pursuant to Section 5(n), or otherwise relating to the business,
      operations or activities of either or both of the Companies (unless
      specifically retained by the Seller pursuant to the express terms of this
      Agreement);

            (v) if the Closing occurs, any and all Liability of either or both
      of the Companies (except to the extent (if any) that the Seller is
      required to


                                     - 63 -
<PAGE>   65
      indemnify the Buyer in respect of such Liability pursuant to Section 7(b)
      or that, but for the non-survival of such provisions pursuant to Section
      7(a), directly results from a breach of a representation or warranty of
      the Seller under Section 3(a) or Section 4);

            (vi) those other matters as to which the Buyer agrees to indemnify
      or reimburse the Seller pursuant to Section 5(d), Section 5(g), Section
      5(n), Section 5(p), Section 5(r) and Section 5(t), in each case, as and to
      the extent provided therein; and

            (vii) any and all actions, suits, proceedings claims, liabilities,
      demands, assessments, judgments, awards costs and expenses, including
      reasonable attorneys' fees (whether or not incurred by a Seller Indemnitee
      in connection with any action, suit, proceeding or claim against the Buyer
      hereunder), incident to any of the matters referred to in this Section
      7(c) or the Buyer's indemnification obligations under this Section 7
      arising out of or as a result of, or relating to, the Buyer's sale,
      attempted sale or failure to sell Metal Powders to U.S. Bronze, ACuPowder
      or any other transferee or any other transaction, attempted transaction or
      failed transaction, by the Buyer or any of its Affiliates relating to
      either or both of the Companies or any ownership interest in or assets of
      either or both of the Companies.

      (d) CERTAIN TERMS RELATING TO INDEMNIFICATION. Notwithstanding anything to
the contrary set forth in this Section 7:


            (i) Neither Indemnitor shall be liable to any of its Indemnitees for
      any amount under this Section 7 unless the aggregate amount for which such
      Indemnitor is liable to all of its Indemnitees under this Section 7
      exceeds One Hundred Thousand United States Dollars (US$100,000) (the
      "THRESHOLD"), in which case such Indemnitor shall be liable for the amount
      by which such aggregate amount exceeds the Threshold;

            (ii) An Indemnitee shall give the applicable Indemnitor notice, in
      accordance with Section 10(g), of any matter as to which such Indemnitee
      intends to claim indemnification under this Section 7 reasonably promptly
      after first becoming aware of such matter; provided, however, that the
      Buyer shall have no liability to a Seller Indemnitee under clause (ii) or
      (vii) of Section 7(c) in respect of any matter referred to in said clause
      (ii) for which such Seller Indemnitee shall not have given the Buyer a
      notice of claim for indemnification prior to the expiration of the
      Survival Period. The notice given pursuant to this clause (iii) shall
      include a reasonably detailed description of the matter for which
      indemnification is claimed, shall specify the provision or provisions of
      this Section 7 under which such indemnification


                                     - 64 -
<PAGE>   66
      is claimed and shall set forth the amount or amounts for which
      indemnification is claimed, to the extent known by the Indemnitee at the
      time of such notice;

            (iii) (A) The Seller shall not be liable under clause (i) of Section
      7(b) (and clause (iii) of Section 7(b) to the extent that the amounts
      claimed under said clause (iii) arise in respect of a matter referred to
      in said clause (i)) for any failure referred to in said clause (i) that
      results from any failure by the Buyer to perform or otherwise fulfill or
      comply with any covenant, undertaking, agreement or obligation of the
      Buyer hereunder; and (B) the Buyer shall not be liable under clause (i) of
      Section 7(c) (and clause (vii) of Section 7(c) to the extent that the
      amounts claimed under said clause (vii) arise in respect of a matter
      referred to in said clause (i)) for any failure referred to in said clause
      (i) that results from any failure by the Seller to perform or otherwise
      fulfill or comply with any covenant, undertaking, agreement or obligation
      of the Seller hereunder;

            (iv) If any action, suit, proceeding, claim, liability, demand or
      assessment shall be asserted against any Indemnitee in respect of which
      such Indemnitee intends to claim indemnification, such Indemnitee shall
      notify the applicable Indemnitor thereof, in accordance with Section
      10(g), sufficiently promptly after the assertion thereof to permit the
      Indemnitor to exercise its rights under clause (v) of this Section 7(d);
      provided, however, that such notice must be given within the Survival
      Period in the case of any matter referred to in clause (iv) of Section
      7(c) (or in clause (vii) of Section 7(c) that arises in respect of a
      matter referred to in said clause (iv));

            (v) Subject to rights of or duties to any insurer or other third
      Person having liability therefor, the applicable Indemnitor shall have the
      right, within ten (10) days after receipt of notice from an Indemnitee
      pursuant to clause (iv) of this Section 7(d), to ------------ assume the
      control the defense, compromise or settlement of any such action suit,
      proceeding, claim, liability, demand or assessment, including, at the
      Indemnitor's own expense, employment of counsel, and at any time
      thereafter to exercise on behalf of such Indemnitee any rights which may
      mitigate any of the foregoing; provided, that if an Indemnitor shall have
      exercised its right to assume such control, (A) the Indemnitee may, in its
      sole discretion and at its sole expense, employ counsel to represent it
      (in addition to counsel employed by the Indemnitor) in any such matter,
      and in such event counsel selected by the Indemnitor shall be required to
      cooperate with counsel of the Indemnitee in such defense, compromise or
      settlement for the purpose of informing and sharing information with such
      Buyer Indemnitee; and (B) in the case of an indemnification claim asserted
      by a Buyer Indemnitee, the Buyer will, at its


                                     - 65 -
<PAGE>   67
      own expense, make available to the Seller as Indemnitor those employees of
      the Buyer or any Affiliates of the Buyer (including the Companies) whose
      assistance, testimony or presence is necessary or appropriate to assist
      the Seller in evaluating or defending against any such action, suit,
      proceeding, claim, liability, demand or assessment; provided, that any
      such access shall be conducted so as not to interfere unreasonably with
      the operations or the businesses of the Buyer and its Affiliates;

            (vi) The Contract Parties shall make appropriate adjustments for
      insurance proceeds received or realized by an Indemnitee in determining
      the amount of any amount payable by an Indemnitor pursuant to this Section
      7 provided, however, that nothing in this Section 7(f)(vi) shall operate
      in derogation of the provisions of Section 9 that provide for recovery
      under applicable insurance as an exclusive remedy or as a primary remedy
      that must be exhausted before pursuit of other remedies, or that provide
      for indemnification pursuant to Section 7(b) or Section 7(c) as an
      exclusive remedy; and

            (vii) Amounts payable pursuant to this Section 7 shall be limited to
      actual out-of-pocket expenses and shall in no event include any special,
      indirect, incidental, consequential or punitive damages or allocation of
      overhead or other internal company charges whatsoever; provided, however,
      that such limitations shall not preclude the recovery of any amounts paid
      to third parties pursuant to Order, howsoever such amounts are
      characterized and whether or not including special, indirect incidental,
      consequential or punitive damages.

      (e) SURVIVAL OF INDEMNIFICATION OBLIGATIONS. This Section 7 shall survive
the Closing or the termination of this Agreement in accordance with its terms.

                                8. TERMINATION.

      (a) TERMINATION OF AGREEMENT. The Parties may terminate this Agreement as
provided below:

            (i) the Buyer and the Seller may terminate this Agreement by mutual
      written consent at any time prior to the Closing;

            (ii) the Buyer may terminate this Agreement as provided in Section
      5(f);


                                     - 66 -
<PAGE>   68
            (iii) the Buyer may terminate this Agreement by giving written
      notice to the Seller in the event that a breach of the representations and
      warranties set forth in Section 3(a), Section 4(a), Section 4(i) or
      Section 4(j), or a breach of any covenant of the Seller contained in this
      Agreement, has prevented the satisfaction by March 15, 2000 of any
      condition set forth in Section 6(a)(i) (substituting for such purpose the
      date of such notice for the Closing Date, where the Closing Date is
      referred to in Section 6(a)(i)) that has not been waived in writing by the
      Buyer (if such condition is subject to waiver by the Buyer pursuant to the
      terms hereof), unless such breach is cured by the Seller within fifteen
      (15) days after receipt of written notice thereof from the Buyer;

            (iv) the Seller may terminate this Agreement by giving written
      notice to the Buyer at any time prior to the Closing in the event that a
      breach of any representation, warranty, or covenant of the Buyer contained
      in this Agreement has prevented the satisfaction by March 15, 2000 of any
      condition set forth in Section 6 (substituting for such purpose the date
      of such notice for the Closing Date where the Closing Date is referred to
      in Section 6) that has not been waived in writing by the Seller (if such
      condition is subject to waiver by the Seller), unless such breach is cured
      by the Buyer within fifteen (15) days after receipt of written notice
      thereof from the Seller;

            (v) the Buyer may terminate this Agreement by giving written notice
      to the Seller at any time prior to the Closing if the Closing shall not
      have occurred on or before March 31, 2000 (unless such failure results
      primarily from the Buyer itself breaching any representation, warranty, or
      covenant contained in this Agreement); and

            (vi) the Seller may terminate this Agreement by giving written
      notice to the Buyer at any time prior to the Closing if the Closing shall
      not have occurred on or before March 31, 2000 (unless such failure results
      primarily from the Seller itself breaching any representation, warranty,
      or covenant contained in this Agreement).

      (b) EFFECT OF TERMINATION. If either the Buyer or the Seller terminates
this Agreement pursuant to Section 8(a), all obligations of the Contract Parties
hereunder shall terminate without any Liability of any Contract Party to any
other Contract Party, except to the extent that any such Liability is otherwise
expressly provided herein to survive the termination of this Agreement.


                                     - 67 -
<PAGE>   69
                                  9. REMEDIES.

            Notwithstanding anything to the contrary set forth herein:

            (i) Each Purchase Price Adjustment shall be the sole right, recourse
      and remedy with respect to the matters covered thereby, and if any matter
      covered by any Purchase Price Adjustment would also constitute a breach of
      any representation, warranty, covenant or other obligation of the Seller
      or would give rise to any indemnification obligation of the Seller
      hereunder, such breach or such indemnification obligation of the Seller
      shall be deemed to have been cured or satisfied by such Purchase Price
      Adjustment.

            (ii) The sole right, recourse and remedy prior to the Closing with
      respect to the representations and warranties of the Seller set forth in
      this Agreement shall be such rights as the Buyer may have under Section 8
      to terminate this Agreement due to a breach of the representations and
      warranties set forth in Section 3(a), Section 4(a), Section 4(i) or
      Section 4(j).

            (iii) The sole right, recourse and remedy upon and after the Closing
      with respect to the representations and warranties of the Seller set forth
      in this Agreement shall be such rights as the Buyer may have under the
      Transaction Insurance pursuant to Section 5(s) and under the Seller's
      Insurance Policies pursuant to Section 5(p) with respect to the Insured
      Representations and Warranties for the periods of time after the Closing
      described in Section 5(s).

            (iv) As to any representation and warranty of the Seller that
      specifies a dollar amount for items or matters covered thereby (whether
      such dollar amount (x) is specified as part of the description of items or
      matters covered thereby or as part of an exception to such representation
      and warranty, (y) applies to such items or matters individually or in the
      aggregate, or (z) applies to the amount of such item or matter or to the
      loss or liability resulting therefrom), any inaccuracy in such
      representation and warranty with respect to any items or matters that do
      not exceed such dollar amount, individually or in the aggregate (as
      applicable), shall not constitute a misrepresentation under or breach of
      such representation and warranty or give rise to any right, remedy or
      recourse in connection with such representation and warranty for any
      purpose, including any right to seek recovery under the Transaction
      Insurance and/or the Seller's Insurance Policies or any right to terminate
      this Agreement. Without limiting the foregoing, any items or matters that
      do not exceed such dollar amount, individually or in the aggregate (as
      applicable), shall not be counted toward


                                     - 68 -
<PAGE>   70
      satisfaction of any retention or deductible amount applicable to any
      Transaction Insurance. In the event of any inconsistency between the
      foregoing terms and the terms of Section 4(e), the terms of Section 4(e)
      shall govern for purposes of such Section.

            (v) If a claim may be made under both the Transaction Insurance and
      the Seller's Insurance Policies with respect to any matter, recovery shall
      be sought first under the Seller's Insurance Policies, and only to the
      extent that recovery is not obtained under the Seller's Insurance Policies
      shall recovery be sought under the Transaction Insurance, without
      duplication of recovery in either case; provided, however, that nothing
      contained in this paragraph (iv) shall prevent the Buyer from making a
      claim under the Transaction Insurance Policies if necessary to preserve
      the timeliness of such claim thereunder, but in such case the coverage
      under the Seller's Insurance Policies shall be treated as the primary
      coverage in respect of such claim; provided, further, that any claim not
      recovered under Seller's Insurance Policies within nine (9) months after
      claim therefor is made in accordance with such policies shall for purposes
      of this Section 9(v) be deemed denied.

            (vi) Subject to paragraphs (i) and (v) above, if any matter that
      constitutes a breach of any covenant or obligation of the Seller (except
      any obligation arising under Section 7(b)(ii)) would also constitute a
      misrepresentation under or breach of any Insured Representation and
      Warranty, the sole right, recourse and remedy with respect to such matter
      shall be such rights as the Buyer may have after the Closing under the
      Transaction Insurance pursuant to Section 5(s) and under the Seller's
      Insurance Policies pursuant to Section 5(p) in respect of such
      misrepresentation under or breach of such Insured Representation and
      Warranty; provided, however, that, in the case of the representations and
      warranties set forth in Section 4(a), Section 4(i) and Section 4(j) only,
      the Buyer shall also have the right prior to the Closing to terminate this
      Agreement to the extent provided under Section 8 (and such termination
      right (if any) shall be the Buyer's sole right, recourse and remedy in
      respect of such matter prior to the Closing). In particular, but without
      limitation of the foregoing, (y) the sole right, recourse and remedy prior
      to the Closing for any breach by the Seller of Section 5(b) shall be such
      rights as the Buyer may have to terminate this Agreement pursuant to
      Section 8 and (z) the sole right, recourse and remedy after the Closing
      for any breach by the Seller of Section 5(b) shall be such rights as the
      Buyer may have under the R&W Insurance pursuant to Section 5(s), or under
      the Seller's Insurance Policies pursuant to Section 5(p), with respect to
      a breach of Section 4(j), prior to the expiration of the period for
      submission of claims relating to Section 4(j) set forth in Section 5(s)
      (it being understood, however, that the foregoing shall


                                     - 69 -
<PAGE>   71
      not limit such rights as either Company may have to claim and recover
      covered losses under the Seller's Insurance Policies pursuant to Section
      5(p)).

            (vii) Subject to paragraph (vi) above and the other provisions of
      this Section 9, the sole right, recourse and remedy with respect to any
      matter referred to in Section 7(b) or Section 7(c), shall be
      indemnification in accordance with and subject to the terms and conditions
      set forth in Section 7.

            (viii)If any matter giving rise to any right, remedy or recourse on
      behalf of the Buyer, any Affiliate of the Buyer or any other Buyer
      Indemnitee constitutes in whole or in part a covered loss under any of the
      Seller's Insurance Policies, the Transaction Insurance and/or any other
      insurance maintained by the Buyer, any Affiliate of the Buyer or any other
      Buyer Indemnitee, then the sole right, remedy and recourse that may be
      pursued by the Buyer, any Affiliate of the Buyer or any other Buyer
      Indemnitee with respect to such matter shall be such rights as the Buyer,
      such Affiliate or such other Buyer Indemnitee may have under or in respect
      of such insurance, until such time as the Buyer, such Affiliate or such
      other Buyer Indemnitee shall have exhausted all of its rights, remedies
      and recourse under and in respect of the Seller's Insurance Policies, the
      Transaction Insurance and/or such other insurance with respect to such
      matter; provided, however, that nothing contained in this paragraph (viii)
      shall prevent the Buyer from making a claim under applicable
      indemnification provisions of this Agreement in order to preserve the
      timeliness of such claim thereunder but the Buyer shall not be entitled to
      any recovery in respect of such claim for indemnification hereunder until
      such time as it has exhausted its rights, remedies and recourse under such
      insurance, and then only to the extent that it has not recovered or
      realized the full amount of its loss from such insurance.

            (ix) The foregoing provisions of this Section 9 set forth the sole
      and exclusive rights, remedies and recourse of the Contract Parties with
      respect to the matters referred to in this Section 9. Each of the Contract
      Parties hereby waives and releases the other Contract Parties from any
      other rights, remedies, recourse, claims, rights of contribution or
      recovery or causes of action in respect of such matters under any
      applicable Laws, or at law, in equity or otherwise. To the extent that
      more than one remedy or method of recourse is available with respect to
      any matter in accordance with the terms hereof, such remedies or recourse
      shall be pursued in accordance with the priorities (if any) set forth in
      this Section 9, and in no event shall there be any duplication of recovery
      as between any such remedies or methods of recourse.


                                     - 70 -
<PAGE>   72
                               10. MISCELLANEOUS.

      (a) PRESS RELEASES AND ANNOUNCEMENTS. No Contract Party shall issue any
press release, public statement or announcement relating to the existence or
subject matter of this Agreement without the prior written approval of the
Parties, which written approval will not be unreasonably withheld; provided,
however, that that either Party may make any public disclosure it believes in
good faith is required by law or regulation or the applicable rules of any
securities exchange, in which case the disclosing Party will advise the other
Party sufficiently in advance of making such disclosure to provide the other
Party with the reasonable opportunity to review and comment on such disclosure
(without, however, incurring any liability in connection with such review or
comment).

      (b) NO THIRD-PARTY BENEFICIARIES. Except for the rights granted to
Affiliates of a Party in Sections 5(h), 5(p) and 7, and the continued
protections for former directors, officers, employees and agents of the
Companies contemplated by Section 5(o) (each of which Sections shall confer upon
the Affiliates referred to therein for whose benefit it is intended the right to
enforce such Section), this Agreement shall not confer any rights or remedies
upon any Person other than the Contract Parties and their respective successors
and permitted assigns. Nothing contained in Section 5(n) shall create any
third-party beneficiary rights in any Person, including any employees, former
employees of the Companies or any beneficiary or dependent of the foregoing, any
unions or other representatives of such employees or former employees, or any
trustees, administrators, participants or beneficiaries of any Employee Benefit
Plan, under this Agreement or in respect of any benefits that may be provided,
directly or indirectly, under any Employee Benefit Plan or arrangement,
including the currently existing Employee Benefit Plans of the Seller and the
Companies.

      (c) AMENDMENTS AND WAIVERS. No amendment of any provision of this
Agreement shall be valid unless the same shall be in writing and signed by the
Contract Parties. No waiver by either Party of any default, misrepresentation,
or breach of warranty or covenant hereunder, whether intentional or not, shall
be deemed to extend to any prior or subsequent default, misrepresentation, or
breach of warranty or covenant hereunder or affect in any way any rights arising
by virtue of any prior or subsequent such occurrence.

      (d) BINDING EFFECT; ASSIGNMENT. This Agreement shall be binding upon and
inure to the benefit of the Contract Parties named herein and their respective
successors and permitted assigns. No Contract Party may assign either this
Agreement or any of its rights, interests, or obligations hereunder without the


                                     - 71 -
<PAGE>   73
prior written approval of the other Contract Parties, and any attempted
assignment in violation of this Section 10(d) shall be null and void; provided,
however, that either Party may assign any or all of its rights and interests
hereunder to a direct or indirect wholly-owned Subsidiary of such Party (in
which case such Party nonetheless shall remain directly and primarily liable and
responsible for the performance of all of its obligations hereunder).

      (e) FACSIMILE/COUNTERPARTS. This Agreement may be executed in one or more
counterparts, each of which shall be deemed an original but all of which
together will constitute one and the same instrument. A facsimile, telecopy or
other reproduction of this Agreement may be executed by one or more of the
Contract Parties, and an executed copy of this Agreement may be delivered by one
or more of the Contract Parties by facsimile or similar electronic transmission
device pursuant to which the manual signature on behalf of such Contract Party
can be seen, and such execution and delivery shall be considered valid, binding
and effective for all purposes. At the request of either Party, the Contract
Parties agree to execute and deliver original counterparts of this Agreement as
well as any facsimile, telecopy or other reproduction hereof.

      (f) EXPENSES. Except as otherwise expressly provided herein, each of the
Parties will bear its own costs and expenses (including legal fees and expenses
and investment banking fees) incurred in connection with this Agreement and the
transactions contemplated hereby. Notwithstanding any other provision hereof,
the Seller shall not impose upon the Companies any of the Seller's expenses
associated with the transaction contemplated by this Agreement (other than
incidental travel and out-of-pocket expenses for employees of the Companies).

      (g) NOTICES. All notices, requests, demands, claims, and other
communications hereunder will be in writing. Any notice, request, demand, claim,
or other communication hereunder shall be deemed duly given if (and then two (2)
Business Days after) it is sent by Federal Express or similar international
express courier service and addressed to the intended recipient as set forth
below:


                                     - 72 -
<PAGE>   74
            If to the Seller:

                  c/o Zemex Corporation
                  Canada Trust Tower, BCE Place
                  161 Bay Street, Suite 3750
                  Toronto, Ontario
                  Canada, M5J 2S1

                  Attention:  Allen J. Palmiere, Vice President and
                              Chief Financial Officer

            with a copy (which shall not constitute notice) to:

                  Hogan & Hartson, L.L.P.
                  885 Third Avenue
                  New York, New York  10022
                  Attention:  Andrew J. Trubin, Esq.

            If to the Buyer:

                  North American Hoganas Holdings, Inc.
                  1525 Valley Center Parkway, Suite 130
                  Bethlehem, PA 18017
                  Attention:  President

            with a copy (which shall not constitute notice) to:

                  Hoganas AB
                  S-263 83 Hoganas
                  Sweden
                  Attention:  President

                  and

                  Foley & Lardner
                  3000 K Street, N.W.
                  Washington, DC 20007
                  Attention:  Steven B. Chameides, Esq.


                                     - 73 -
<PAGE>   75
            If to Pyron:

                  Pyron Corporation
                  5950 Packard Road
                  Niagara Falls, New York  14304
                  U.S.A.
                  Attention:  President

            with a copy (which shall not constitute notice) to:

                  (i)   the Seller, if such notice is given prior to the Closing
                        Date; or

                  (ii)  the Buyer, if such notice is given on or after the
                        Closing Date


            If to Metal Powders:

                  Pyron Metal Powders, Inc.
                  6621 Highway 411 South
                  Greenback, TN  37742
                  U.S.A.
                  Attention:  President

            with a copy (which shall not constitute notice) to:

                  (i)   the Seller, if such notice is given prior to the Closing
                        Date; or

                  (ii)  the Buyer, if such notice is given on or after the
                        Closing Date

Any Contract Party may change the address to which notices, requests, demands,
claims, and other communications hereunder are to be delivered by giving the
other Contract Parties notice in the manner herein set forth.

      (h) SUBMISSION TO JURISDICTION. This Agreement and the rights and
obligations of the Contract Parties hereunder shall be construed in accordance
with and be governed by the laws of the State of New York (without regard to the
choice of law rules applicable in such jurisdiction other than Section 5-1401 of
the New York General Obligations Law). Any legal action or proceeding against
any


                                     - 74 -
<PAGE>   76
Contract Party with respect to this Agreement may be brought and enforced in a
federal or state court located in the County of New York, City of New York,
State of New York, and by execution and delivery of this Agreement, each of the
Contract Parties hereby irrevocably accepts for itself generally, irrevocably
and unconditionally, the jurisdiction of the aforesaid courts, intending that
the provisions of Section 5-1402 of the New York General Obligations Law shall
apply with respect to such choice of venue. Each of the Contract Parties agrees
that a judgment, after exhaustion of all available appeals, in any such action
or proceedings shall be conclusive and binding upon them, and may be enforced in
any other jurisdiction by entry of an Order upon such judgment, a certified copy
of which shall be conclusive evidence of such judgment. Each of the Contract
Parties further irrevocably consents to the service of process out of any of the
aforementioned courts in any such action or proceeding by the mailing of copies
thereof by registered or certified mail, postage prepaid, to such Contract Party
at its address provided in or in accordance with Section 10(g), such service to
become effective ten (10) days after such mailing. Nothing herein shall affect
the right of any Contract Party to serve process or to commence legal
proceedings or otherwise proceed against the other Contract Parties in any other
manner permitted by law. Each of the Contract Parties hereby waives irrevocably,
to the fullest extent permitted by law, any objection to the laying of venue in,
or any claim of inconvenient forum in respect of any such action in, the County
of New York, City of New York, State of New York to which it might otherwise now
or hereafter be entitled in any actions arising out of or based on this
Agreement. Notwithstanding anything to the contrary set forth herein, any and
all disputes relating to the Audited Balance Sheet and/or the Pre-Closing Seller
Cost Statement shall be resolved solely and exclusively in the manner set forth
in Section 2(f), and any and all disputes relating to Extra Taxes shall be
resolved solely and exclusively in the manner set forth in Section 5(t).

      (i) SEVERABILITY. Any term or provision of this Agreement that is invalid
or unenforceable in any situation in any jurisdiction shall not affect the
validity or enforceability of the remaining terms and provisions hereof or the
validity or enforceability of the offending term or provision in any other
situation or in any other jurisdiction. If the final judgment of a court of
competent jurisdiction declares that any term or provision hereof is invalid or
unenforceable, the Contract Parties agree that the 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


                                     - 75 -
<PAGE>   77
modified after the expiration of the time within which the judgment may be
appealed.

      (j) CONSTRUCTION. The language used in this Agreement will be deemed to be
the language chosen by the Contract Parties to express their mutual intent, and
no rule of strict construction shall be applied against any Contract Party. The
section headings and titles of Schedules, Exhibits and Annexes contained in this
Agreement are inserted for convenience only and shall not affect in any way the
meaning or interpretation of this Agreement. Any reference to any federal,
state, local, or foreign statute or law shall be deemed also to refer to all
rules and regulations promulgated thereunder, unless the context requires
otherwise. Notwithstanding anything to the contrary contained in this Agreement
or in any of the Schedules or Annexes hereto, any information disclosed in the
Audited Balance Sheet or the schedule of liabilities attached thereto or in any
Exhibit, Schedule or Annex (or in any Item of the Disclosure Schedule) shall be
deemed to be disclosed in all Exhibits, Schedules and Annexes (and in all Items
of the Disclosure Schedule) in which such information is required to be
included, regardless of whether it is set out therein. The inclusion of any
particular item of information in any Exhibit, Schedule or Annex does not
necessarily mean, and shall not be construed as an admission or acknowledgment
by either Party or the Companies, that such item is required to be disclosed in
such Exhibit, Schedule or Annex or otherwise pursuant to this Agreement or that
such item is material, nor shall any such item or items be deemed to establish a
standard of materiality. The terms "HEREOF," "HEREIN," "HEREBY" and terms of
similar import shall be understood to refer to this Agreement (which term shall
include the Exhibits, Schedules and Annexes, including the Disclosure Schedule,
referred to in this Agreement) and not to any particular provision, paragraph or
Section of this Agreement. The term "INCLUDE" (in its various grammatical forms)
shall be understood to mean "include without limitation." Whenever a
representation and warranty made by the Seller herein refers to "THE KNOWLEDGE
OF THE SELLER" or "THE SELLER'S KNOWLEDGE," such knowledge shall be understood
to consist only of the actual knowledge of those individuals listed on Item
10(j) of the Disclosure Schedule to the extent that such individuals remain
officers or employees of the Seller or the Companies on the date such
representation and warranty is deemed to be made (and in the event any of such
individuals cease to be officers or employees of Seller or the Companies prior
to the Closing Date, Seller shall give notice thereof to Buyer prior to the
Closing), and the Seller has not undertaken, nor shall it have any duty to
undertake or be deemed to have undertaken, any investigation concerning any
matter as to which a representation or warranty is made to the Seller's
knowledge, beyond inquiry of the aforesaid individuals with respect to such
matter. The specified monetary thresholds for disclosure and other purposes set
forth herein are for the specific purposes set forth herein only and shall not
be understood or construed as an


                                     - 76 -
<PAGE>   78
agreement by the Parties to any general standard of materiality for purposes of
this Agreement or the transactions contemplated hereby.

      (k) INCORPORATION OF EXHIBITS, ANNEXES, AND SCHEDULES. The Exhibits,
Annexes, and Schedules (including the Disclosure Schedule) identified in this
Agreement are incorporated herein by reference and shall constitute an integral
part hereof.

      (l) ACKNOWLEDGMENT BY THE BUYER. The Buyer acknowledges that it has
conducted to its satisfaction an independent investigation and verification of
the businesses, operations, condition (financial and otherwise), results of
operations, assets, liabilities, properties and projected operations and
prospects (financial and otherwise) of the Companies and, in making its
determination to proceed with the transactions contemplated by this Agreement,
the Buyer has relied on the results of its own independent investigation
(without prejudice to the Buyer's rights set forth herein and arising under the
Transaction Insurance in respect of the Insured Representations and Warranties
and the Seller's Insurance Policies. EXCEPT TO THE EXTENT EXPRESSLY SET FORTH
HEREIN WITH RESPECT TO THE EXPRESS REPRESENTATIONS AND WARRANTIES CONTAINED IN
SECTION 3(a) AND SECTION 4, NEITHER THE SELLER NOR EITHER OF THE COMPANIES
MAKES, HAS MADE OR SHALL BE DEEMED TO HAVE MADE OR BE OBLIGATED WITH RESPECT TO,
ANY EXPRESS OR IMPLIED REPRESENTATION OR WARRANTY OF ANY KIND OR NATURE
WHATSOEVER, AND THE BUYER UNDERSTANDS, ACKNOWLEDGES AND AGREES THAT THE SELLER
AND THE COMPANIES DISCLAIM ANY AND ALL SUCH OTHER REPRESENTATIONS AND WARRANTIES
AND THE BUYER FURTHER AGREES THAT IT SHALL NOT ASSERT ANY CLAIM IN RESPECT OF
ANY SUCH DISCLAIMED REPRESENTATION OR WARRANTY. EXCEPT TO THE EXTENT EXPRESSLY
SET FORTH HEREIN WITH RESPECT TO THE REPRESENTATIONS AND WARRANTIES OF THE
SELLER EXPRESSLY SET FORTH IN SECTION 3(a) AND SECTION 4, THE BUYER AGREES THAT
IT IS PURCHASING THE COMPANIES AND THEIR RESPECTIVE ASSETS AND LIABILITIES ON AN
"AS IS" AND "WHERE IS" BASIS. THE BUYER ACKNOWLEDGES THAT THIS WAIVER IS
CONSPICUOUS. Without limiting the generality of the foregoing, nothing contained
in the Summary Descriptive Memorandum dated September 1999 prepared by BAS or in
any presentation of the businesses of the Companies or the Seller in connection
with the transactions contemplated hereby, or in any cost estimates, projections
or other predictions or forward-looking statements relating to the Companies or
the Business (collectively, the "DESCRIPTIVE MATERIALS") shall be deemed to
constitute a representation or warranty by or on behalf of the Seller or either
of the


                                     - 77 -
<PAGE>   79
Companies, and the Seller and the Companies hereby disclaim any express or
implied representation or warranty as to the accuracy or completeness of any
information contained in the Descriptive Materials or in any such other
information or additional evaluation material, whether written or oral, made
available in connection with the Buyer's evaluation of the Companies and any
Liability in respect of such information or any errors therein or omissions
therefrom. No Person has been authorized by the Seller or the Companies to make
any representation or warranty on behalf of or relating to the Seller or the
Companies or their businesses, operations, financial condition, assets,
liabilities or prospects, and, if made, such representation or warranty shall
not be relied upon as having been authorized by the Seller or either of the
Companies.

      (m) SPECIFIC PERFORMANCE. Each Contract Party acknowledges and agrees that
the other Contract Parties would be damaged irreparably in the event any of the
provisions of this Agreement are not performed in accordance with their specific
terms or otherwise are breached. Accordingly, each Contract Party agrees that
any of the other Contract Parties shall be entitled to an Order or Orders to
prevent or curtail breaches of the provisions of this Agreement and to enforce
specifically this Agreement and the terms and provisions hereof in any action
instituted in any court of the United States or any state thereof having
jurisdiction over the Contract Parties and the matter, in addition to any other
remedy to which they may be entitled, at law or in equity.

      (n) ENTIRE AGREEMENT. This Agreement, together with the Confidentiality
Agreement and the Escrow Agreement, constitutes the entire agreement and
understanding between the Contract Parties with respect to the subject matter
hereof and cancels and supersedes any prior understandings, agreements,
undertakings, representations and communications by or between the Contract
Parties or on behalf of any Contract Party, whether written or oral, that may
have related in any way to such subject matter, including the Descriptive
Materials.

                        [SIGNATURES APPEAR ON NEXT PAGE]


                                     - 78 -
<PAGE>   80
            IN WITNESS WHEREOF, the Parties hereto have caused this Stock
Purchase Agreement to be executed by their duly authorized officers as of the
date first above written.

                                    THE BUYER:

                                    NORTH AMERICAN HOGANAS HOLDINGS, INC.


                                    By: /s/ Claes Lindquist
                                        ________________________________
                                        Name: Claes Lindquist
                                        Title: Chairman

                                    THE SELLER:

                                    ZEMEX U.S. CORPORATION

                                    By: /s/ Richard L. Lister
                                        ________________________________
                                        Name: Richard L. Lister
                                        Title: Chairman, President and
                                               Chief Executive Officer


                                    PYRON:

                                    PYRON CORPORATION

                                    By: /s/ Richard L. Lister
                                        ________________________________
                                        Name: Richard L. Lister
                                        Title: Chairman




                                     - 79 -
<PAGE>   81
                                    METAL POWDERS:

                                    PYRON METAL POWDERS, INC.

                                    By: /s/ Richard L. Lister
                                        ________________________________
                                        Name: Richard L. Lister
                                        Title: Chairman




                                     - 80 -

<PAGE>   1



                                                                    Exhibit 99.1


[ZEMEX LOGO]





                                  NEWS RELEASE
                              FOR IMMEDIATE RELEASE



                                 ZEMEX ANNOUNCES
                       SALE OF ITS METAL POWDERS DIVISION


                  TORONTO, CANADA -- MARCH 6, 2000 -- ZEMEX CORPORATION (TSE,
NYSE:ZMX) AND HOGANAS AB announced that they have entered into a stock purchase
agreement whereby Hoganas will purchase Zemex's wholly-owned subsidiaries, Pyron
Corporation and Pyron Metal Powders, Inc., for a base price of US$41 million,
subject to purchase price adjustments. The transaction, which is anticipated to
close shortly, has been approved by the boards of both Zemex and Hoganas but is
subject to normal regulatory approvals.

                  Pyron Corporation produces both atomized iron powder, used
principally for component manufacture, and a unique sponge iron powder, utilized
mainly in specialty applications, including the production of friction
materials. Pyron Corporation operates its main facility in Niagara Falls, NY and
a blending plant in St. Marys, PA. Pyron Metal Powders, Inc. supplies primarily
copper and bronze powders from its two plants located in Tennessee. Divestment
of Pyron Metal Powders, Inc. is planned by Hoganas in the near future and a
preliminary sale agreement has already been signed.


                  In making the announcement, Richard L. Lister, Zemex's
President and Chief Executive Officer, said, "We have been pleased with the
performance of our metal powders division, particularly in the last few years.
Sales and operating profit are up significantly and the outlook for the business
is strong; however, we believe this transaction is consistent with our objective
to maximize shareholder value. Proceeds from the sale will be used to pay down
long-term debt."



<PAGE>   2

                  Headquartered in Hoganas, Sweden, Hoganas is the world's
oldest and largest supplier of metal powders and is considered the technological
leader in the industry. Hoganas is a public company and its stock trades on the
Stockholm Stock Exchange.

                  Zemex is a diversified producer of industrial minerals and
specialty materials and, through its aluminum recycling division, reprocesses
aluminum drosses with patented zero discharge technology. Zemex currently
operates facilities and mines across the United States and Canada. Its products
are used in a variety of commercial applications and are sold throughout North
America and worldwide.

                  For further information contact:

                                   Richard L. Lister
                                   President and Chief Executive Officer
                                   (416) 365-5667

                                   Allen J. Palmiere
                                   Vice President and Chief Financial Officer
                                   (416) 365-8091

                                   Patricia K. Moran
                                   Corporate Secretary and Assistant Treasurer
                                   (416) 365-8093


                  This press release may contain "Forward-Looking Statements"
within the meaning of the Private Securities Litigation Reform Act of 1995.
These forward statements include statements regarding the intent, belief or
current expectation of the Corporation and members of its senior management
team, including, without limitation, expectations regarding prospective
performance and opportunities. Investors are cautioned that any such
forward-looking statements are not guarantees of future performance and involve
risks and uncertainties, and that actual results may differ materially from
those contemplated by the Corporation.








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