KENNAMETAL INC
10-Q, 1999-02-11
MACHINE TOOLS, METAL CUTTING TYPES
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<PAGE>   1
===============================================================================

                                    FORM 10-Q


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


             QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


                FOR THE QUARTERLY PERIOD ENDED DECEMBER 31, 1998

                          Commission file number 1-5318


                                 KENNAMETAL INC.
             (Exact name of registrant as specified in its charter)


            PENNSYLVANIA                                  25-0900168
    (State or other jurisdiction                       (I.R.S. Employer
         of incorporation)                           Identification No.)


                               WORLD HEADQUARTERS
                               1600 TECHNOLOGY WAY
                                  P.O. BOX 231
                        LATROBE, PENNSYLVANIA 15650-0231
              (Address of registrant's principal executive offices)

       Registrant's telephone number, including area code: (724) 539-5000


Indicate by check mark whether the registrant: (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. YES [X] NO [ ]

Indicate the number of shares outstanding of each of the issuer's classes of
common stock, as of the latest practicable date:

          Title Of Each Class                    Outstanding at February 1, 1999
- ----------------------------------------         -------------------------------
Capital Stock, par value $1.25 per share                    29,892,541

===============================================================================



<PAGE>   2


                                 KENNAMETAL INC.
                                    FORM 10-Q
                       FOR QUARTER ENDED DECEMBER 31, 1998


                                TABLE OF CONTENTS

Item No.                                                                   Page
- --------                                                                   ----

                          PART I. FINANCIAL INFORMATION

1.   Financial Statements:

     Condensed Consolidated Balance Sheets (Unaudited)
     December 31, 1998 and June 30, 1998...................................  1

     Condensed Consolidated Statements of Income (Unaudited)
     Three and six months ended December 31, 1998 and 1997.................  2

     Condensed Consolidated Statements of Cash Flows (Unaudited)
     Six months ended December 31, 1998 and 1997...........................  3

     Notes to Condensed Consolidated Financial Statements
     (Unaudited)  ........................................................   4

2.   Management's Discussion and Analysis of Financial Condition
     and Results of Operations............................................   8


                           PART II. OTHER INFORMATION


4.   Submission of Matters to a Vote of Security Holders..................  14

6.   Exhibits and Reports on Form 8-K.....................................  14



<PAGE>   3




                          PART I. FINANCIAL INFORMATION
<TABLE>
<CAPTION>
ITEM 1.    FINANCIAL STATEMENTS
KENNAMETAL INC.
CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED)
- ------------------------------------------------------------------------------------------------------------------
(in thousands)
                                                                                 December 31,            June 30,
                                                                                     1998                  1998
                                                                                 ------------            --------
<S>                                                                              <C>                   <C>
ASSETS
Current assets:

   Cash and equivalents                                                          $    29,311           $    18,366
   Accounts receivable, less allowance for
     doubtful accounts of $13,935 and $11,974                                        333,235               332,677
   Inventories                                                                       465,154               436,472
   Deferred income taxes                                                              32,104                31,316
                                                                                 -----------           -----------
   Total current assets                                                              859,804               818,831
                                                                                 -----------           -----------

Property, plant and equipment:
   Land and buildings                                                                238,653               222,426
   Machinery and equipment                                                           755,313               690,143
   Less accumulated depreciation                                                    (436,293)             (386,642)
                                                                                 -----------           -----------
   Net property, plant and equipment                                                 557,673               525,927
                                                                                 -----------           -----------

Other assets:
   Investments in affiliated companies                                                 3,652                13,740
   Intangible assets, less accumulated
     amortization of $51,209 and $39,408                                             692,836               706,619
   Deferred income taxes                                                              33,219                39,426
   Other                                                                              39,652                34,450
                                                                                 -----------           -----------
   Total other assets                                                                769,359               794,235
                                                                                 -----------           -----------
   Total assets                                                                  $ 2,186,836           $ 2,138,993
                                                                                 ===========           ===========

LIABILITIES
Current liabilities:
   Current maturities of long-term debt and capital leases                       $   115,224           $    78,632
   Notes payable to banks                                                             55,571                48,103
   Accounts payable                                                                   96,678               115,373
   Accrued payroll                                                                    18,660                30,600
   Accrued vacation pay                                                               27,197                21,523
   Other current liabilities                                                          89,165                82,838
                                                                                 -----------           -----------
   Total current liabilities                                                         402,495               377,069
                                                                                 -----------           -----------
Long-term debt and capital leases, less current maturities                           846,459               840,932
Deferred income taxes                                                                 45,280                45,253
Other liabilities                                                                     90,890                98,073
                                                                                 -----------           -----------
   Total liabilities                                                               1,385,124             1,361,327
                                                                                 -----------           -----------
Minority interest in consolidated subsidiaries                                        52,833                42,206
                                                                                 -----------           -----------

SHAREHOLDERS' EQUITY
Preferred stock, 5,000 shares authorized; none issued                                     --                    --
Capital stock, $1.25 par value; 70,000 shares authorized;
   32,820 shares issued                                                               41,025                41,025
Additional paid-in capital                                                           321,612               320,645
Retained earnings                                                                    470,080               458,805
Treasury shares, at cost; 2,929 and 2,991 shares held                                (58,353)              (59,131)
Accumulated other comprehensive income                                               (25,485)              (25,884)
                                                                                 -----------           -----------
Total shareholders' equity                                                           748,879               735,460
                                                                                 -----------           -----------
Total liabilities and shareholders' equity                                       $ 2,186,836           $ 2,138,993
                                                                                 ===========           ===========
</TABLE>

See accompanying notes to condensed consolidated financial statements.


                                       1
<PAGE>   4



<TABLE>
<CAPTION>
KENNAMETAL INC.
CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED)
- ---------------------------------------------------------------------------------------------------------------------------
(in thousands, except per share data)
                                                     Three Months Ended        Six Months Ended
                                                         December 31,            December 31,
                                                     ------------------        ----------------
                                                      1998         1997        1998        1997
                                                      ----         ----        ----        ----
<S>                                               <C>          <C>         <C>         <C>
OPERATIONS

Net sales                                          $ 484,318    $ 370,048   $ 965,240   $ 680,840
   Cost of goods sold                                303,256      219,546     605,162     398,115
                                                   ---------    ---------   ---------   ---------
Gross profit                                         181,062      150,502     360,078     282,725
   Research and development expenses                   5,239        4,956      10,810      10,183
   Selling, marketing and distribution expenses       97,812       79,056     200,296     147,627
   General and administrative expenses                27,489       23,816      58,353      48,536
   Amortization of intangibles                         6,261        2,713      12,666       3,765
                                                   ---------    ---------   ---------   ---------
Operating income                                      44,261       39,961      77,953      72,614
   Interest expense                                   17,635       18,693      35,256      19,873
   Other (income) expense                               (223)         221         193         661
                                                   ---------    ---------   ---------   ---------
Income before income taxes and minority interest      26,849       21,047      42,504      52,080
Provision for income taxes                            11,400       10,000      18,100      22,100
Minority interest                                      1,413        1,473       2,974       2,858
                                                   ---------    ---------   ---------   ---------
Net income                                         $  14,036    $   9,574   $  21,430   $  27,122
                                                   =========    =========   =========   =========

PER SHARE DATA
Basic earnings per share                           $    0.47    $    0.36   $    0.72   $    1.03
                                                   =========    =========   =========   =========

Diluted earnings per share                         $    0.47    $    0.36   $    0.72   $    1.02
                                                   =========    =========   =========   =========

Dividends per share                                $    0.17    $    0.17   $    0.34   $    0.34
                                                   =========    =========   =========   =========

Weighted average shares outstanding                   29,878       26,273      29,868      26,223
                                                   =========    =========   =========   =========

Diluted weighted average shares outstanding           29,889       26,669      29,915      26,565
                                                   =========    =========   =========   =========

</TABLE>

See accompanying notes to condensed consolidated financial statements.



                                        2
<PAGE>   5


<TABLE>
<CAPTION>

KENNAMETAL INC.
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)
- ---------------------------------------------------------------------------------------------------------------------------
(in thousands)
                                                                                 Six Months Ended
                                                                                    December 31,
                                                                                -------------------
                                                                                1998           1997
                                                                                ----           ----
<S>                                                                           <C>           <C>
OPERATING ACTIVITIES

Net income                                                                    $  21,430     $  27,122
Adjustments for noncash items:
   Depreciation and amortization                                                 47,415        25,060
   Other                                                                          9,327         3,775
Changes in certain assets and liabilities, net of effects of acquisitions:
   Accounts receivable                                                           17,396           218
   Inventories                                                                  (22,677)       (8,796)
   Accounts payable and accrued liabilities                                     (27,507)       17,501
   Other                                                                        (11,268)      (25,497)
                                                                              ---------     ---------
Net cash flow from operating activities                                          34,116        39,383
                                                                              ---------     ---------

INVESTING ACTIVITIES
Purchases of property, plant and equipment                                      (61,681)      (29,307)
Disposals of property, plant and equipment                                        2,515         1,226
Acquisitions, net of cash                                                          --        (711,609)
Other                                                                            (2,384)       (7,609)
                                                                              ---------     ---------
Net cash used for investing activities                                          (61,550)     (747,299)
                                                                              ---------     ---------

FINANCING ACTIVITIES
Change in short-term debt                                                         5,441       (92,750)
Increase in long-term debt                                                       88,609       758,238
Reduction in long-term debt                                                     (47,109)      (31,458)
Net proceeds from issuance and sale of subsidiary stock                            --          90,430
Dividend reinvestment and employee stock plans                                    1,745         8,606
Cash dividends paid to shareholders                                             (10,155)       (8,923)
Other                                                                              (298)       (7,369)
                                                                              ---------     ---------
Net cash flow from financing activities                                          38,233       716,774
                                                                              ---------     ---------

Effect of exchange rate changes on cash                                             146        (1,462)
                                                                              ---------     ---------

CASH AND EQUIVALENTS
Net increase in cash and equivalents                                             10,945         7,396
Cash and equivalents, beginning                                                  18,366        21,869
                                                                              ---------     ---------
Cash and equivalents, ending                                                  $  29,311     $  29,265
                                                                              =========     =========

SUPPLEMENTAL DISCLOSURES
Interest paid                                                                 $  37,234     $  16,030
Income taxes paid                                                                14,779        22,708

</TABLE>

See accompanying notes to condensed consolidated financial statements.


                                       3
<PAGE>   6



KENNAMETAL INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
- -------------------------------------------------------------------------------



1.   The condensed consolidated financial statements should be read in
     conjunction with the Notes to Consolidated Financial Statements included in
     the company's 1998 Annual Report. The condensed consolidated balance sheet
     as of June 30, 1998 has been derived from the audited balance sheet
     included in the company's 1998 Annual Report. These interim statements are
     unaudited; however, management believes that all adjustments necessary for
     a fair presentation have been made and all adjustments are normal,
     recurring adjustments. The results for the three months and six months
     ended December 31, 1998 are not necessarily indicative of the results to be
     expected for the full fiscal year. Certain amounts in the prior years'
     condensed consolidated financial statements have been reclassified to
     conform with the current year presentation.

2.   Inventories are stated at lower of cost or market. Cost is determined using
     the last-in, first-out (LIFO) method for a significant portion of domestic
     inventories and the first-in, first-out (FIFO) method or average cost for
     other inventories. The company used the LIFO method of valuing its
     inventories for approximately 50 percent of total inventories at December
     31, 1998. Because inventory valuations under the LIFO method are based on
     an annual determination of quantities and costs as of June 30 of each year,
     the interim LIFO valuations are based on management's projections of
     expected year-end inventory levels and costs. Therefore, the interim
     financial results are subject to any final year-end LIFO inventory
     adjustments.

3.   The major classes of inventory as of the balance sheet dates were as
     follows (in thousands):

                                                 December 31,     June 30,
                                                     1998           1998
                                                 ------------     -------- 
         Finished goods                           $ 336,604      $ 302,374
         Work in process and powder blends          110,880        117,428
         Raw materials and supplies                  55,341         53,449
                                                   --------      ---------
         Inventory at current cost                  502,825        473,251
         Less LIFO valuation                        (37,671)       (36,779)
                                                  ---------      ---------
         Total inventories                        $ 465,154      $ 436,472
                                                  =========      =========

4.   The company has been involved in various environmental cleanup and
     remediation activities at several of its manufacturing facilities. In
     addition, the company has been named as a potentially responsible party at
     five Superfund sites in the United States. However, it is management's
     opinion, based on its evaluations and discussions with outside counsel and
     independent consultants, that the ultimate resolution of these
     environmental matters will not have a material adverse effect on the
     results of operations, financial position or cash flows of the company.

     The company maintains a Corporate Environmental, Health and Safety (EH&S)
     Department to facilitate compliance with environmental regulations and to
     monitor and oversee remediation activities. In addition, the company has
     established an EH&S administrator at each of its domestic manufacturing
     facilities. The company's financial management team periodically meets with
     members of the Corporate EH&S Department and the Corporate Legal Department
     to review and evaluate the status of environmental projects and
     contingencies. On a quarterly and annual basis, management establishes or
     adjusts financial provisions and reserves for environmental contingencies
     in accordance with Statement of Financial Accounting Standards (SFAS) No.
     5, "Accounting for Contingencies."

5.   For purposes of determining the average number of dilutive shares
     outstanding, weighted average shares outstanding for basic earnings per
     share calculations were increased due to the dilutive effect of unexercised
     stock options by 10,783 and 395,907 for the three months ended December 31,
     1998 and 1997, respectively, and 46,956 and 342,389 for the six months
     ended December 31, 1998 and 1997, respectively.


                                       4
<PAGE>   7



KENNAMETAL INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
- -------------------------------------------------------------------------------

6.   In June 1997, the Financial Accounting Standards Board issued SFAS No. 130,
     "Reporting Comprehensive Income," which requires the presentation of
     comprehensive income in a company's financial statement disclosures.
     Comprehensive income represents all changes in the equity of a company
     during the reporting period, including net income, as well as charges and
     credits directly to retained earnings which are excluded from net income.
     The company's components of comprehensive income consist of the following
     (in thousands):

<TABLE>
<CAPTION>
                                                                      Three Months Ended        Six Months Ended
                                                                          December 31,              December 31,
                                                                      --------------------     --------------------
                                                                        1998        1997         1998        1997
                                                                        ----        ----         ----        ----
<S>                                                                   <C>         <C>          <C>         <C>
Net income                                                            $ 14,036    $  9,574     $ 21,430    $ 27,122
Foreign currency translation adjustments                                 2,925      (3,924)         399      (5,242)
                                                                      --------    --------     --------    --------
Comprehensive income                                                  $ 16,961    $  5,650     $ 21,829    $ 21,880
                                                                      ========    ========     ========    ========
</TABLE>

     Accumulated other comprehensive income consists solely of cumulative
     foreign currency translation adjustments.

7.   In June 1998, SFAS No. 133, "Accounting for Derivative Instruments and
     Hedging Activities," was issued. The company must adopt the standard by the
     beginning of the first quarter of fiscal year 2000. SFAS No. 133
     establishes accounting and reporting standards requiring all derivative
     instruments (including certain derivative instruments imbedded in other
     contracts) are to be recorded in the balance sheet as either an asset or
     liability measured at their fair value. SFAS No. 133 requires that changes
     in the derivative's fair value be recognized currently in earnings unless
     specific hedge accounting criteria are met. Accounting for qualifying
     hedges allow a derivative's gains and losses to offset related results on
     the hedged item in the income statement, and requires that a company must
     formally document, designate and assess the effectiveness of transactions
     that receive hedge accounting. The company is currently evaluating the
     effects of SFAS No. 133 and does not believe that the adoption will have a
     material effect on the financial statements or results of operations of the
     company.

8.   On July 2, 1997, an initial public offering (IPO) of approximately 4.9
     million shares of common stock of JLK Direct Distribution Inc. (JLK), a
     subsidiary of the company, was consummated at a price of $20.00 per share.
     JLK's operations consist of the company's wholly owned subsidiary J&L
     Industrial Supply (J&L) and its Full Service Supply programs. The net
     proceeds from the offering were approximately $90.4 million and represented
     approximately 20 percent of JLK's common stock. The transaction has been
     accounted for as a capital transaction in the consolidated financial
     statements. The net proceeds were used by JLK to repay $20.0 million of
     indebtedness related to a dividend to the company and $20.0 million related
     to intercompany obligations to the company incurred in 1997. The company
     used these proceeds to repay short-term debt. Pending other uses, the
     remaining net proceeds were loaned to the company, under an intercompany
     debt/investment and cash management agreement at a fluctuating rate of
     interest equal to the company's short-term borrowing costs. The remaining
     net proceeds of $50.4 million were used to make acquisitions in 1998.

9.   On November 17, 1997, the company completed the acquisition of Greenfield
     Industries, Inc. (Greenfield) for approximately $1.0 billion, including
     $324.4 million in assumed Greenfield debt and convertible redeemable
     preferred securities and transaction costs.

     The Greenfield acquisition was recorded using the purchase method of
     accounting and, accordingly, the results of operations of Greenfield have
     been included in the company's results from the date of acquisition. The
     purchase price was allocated to assets acquired and liabilities assumed
     based on their estimated fair values at the date of acquisition. The excess
     of purchase price over the fair value of the net assets acquired has been
     recorded as goodwill and is being amortized over forty years.


                                       5

<PAGE>   8



KENNAMETAL INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
- -------------------------------------------------------------------------------

     Additionally, the company made several other acquisitions in 1998 to expand
     its product offering and distribution channels. These acquisitions were
     accounted for using the purchase method of accounting and their results
     have been included in the company's results from the respective dates of
     acquisition. Except for Greenfield, the pro forma effects, individually and
     collectively, of the acquisitions in the company's consolidated financial
     statements would not have a material impact on the reported results.

     The allocation of the purchase price to assets acquired and liabilities
     assumed of Greenfield is as follows (in thousands):

         Working capital, other than cash             $  171,710
         Property, plant and equipment                   167,798
         Other assets                                      9,246
         Other liabilities                               (28,510)
         Long-term debt                                 (318,146)
         Goodwill                                        654,117
                                                      ----------
         Net purchase price                           $  656,215
                                                      ==========

     Pro forma results of operations for the acquisition of Greenfield, but
     excluding the effects of all other acquisitions, are based on the
     historical financial statements of the company and Greenfield adjusted to
     give effect to the acquisition of Greenfield. The pro forma results of
     operations assume that the acquisition of Greenfield occurred as of the
     first day of the company's 1998 fiscal year (July 1, 1997).

<TABLE>
<CAPTION>
                                                      Three Months Ended         Six Months Ended
         (in thousands, except per share data)         December 31, 1997         December 31, 1997
                                                      ------------------         -----------------
<S>                                                   <C>                        <C>
         Net sales                                         $ 464,972               $ 915,600
         Net income                                            5,754                  19,500
         Basic earnings per share                               0.22                    0.75
         Diluted earnings per share                             0.22                    0.74
</TABLE>

     The pro forma financial information does not purport to present what the
     company's results of operations would actually have been if the acquisition
     of Greenfield had occurred on the assumed date, as specified above, or to
     project the company's financial condition or results of operations for any
     future period.

     On June 26, 1998, the company sold the Marine Products division of
     Greenfield which operated as Rule Industries, Inc. (Rule). The company
     acquired Rule as part of its acquisition of Greenfield and, for strategic
     reasons, chose to divest itself of this part of the business. Annual sales
     of the Marine Products division were approximately $25.0 million. Cash
     proceeds of $62.1 million were used to reduce a portion of the company's
     long-term debt incurred in connection with the acquisition of Greenfield
     (see Note 10).

10.  In connection with the acquisition of Greenfield, the company entered into
     a $1.4 billion Bank Credit Agreement (Agreement). Subject to certain
     conditions, the Agreement permits term loans of up to $500.0 million and
     revolving credit loans of up to $900.0 million for working capital, capital
     expenditures and general corporate purposes. Interest payable under the
     term loan and revolving credit loans are currently based on LIBOR plus
     1.125%. The Agreement also includes a commitment fee on the revolving
     credit loans of 0.25% of the unused balance.



                                       6
<PAGE>   9



KENNAMETAL INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
- -------------------------------------------------------------------------------

     The Agreement also contains various restrictive and affirmative covenants
     requiring the maintenance of certain financial ratios. The term loan is
     subject to mandatory amortization which commenced on November 30, 1998 and
     matures on August 31, 2002. The revolving credit loan also matures on
     August 31, 2002. During fiscal 1998, the term loan was permanently reduced
     with the net proceeds received in connection with the issuance of company
     stock and from the sale of certain assets (see Notes 9 and 11).

11.  On March 20, 1998, the company sold 3.45 million shares of common stock
     resulting in net proceeds of $171.4 million. The proceeds were used to
     reduce a portion of the company's long-term debt incurred in connection
     with the acquisition of Greenfield (see Note 10).

12.  On January 18, 1999, the company entered into a business cooperation
     agreement with Toshiba Tungaloy Co., Ltd. (TT) to enhance the global
     business prospects for metalcutting tools of both companies. The agreement
     includes various joint activities in areas such as product development,
     research and development, private labeling, cross-licensing, and sales and
     marketing. As part of the agreement, the company purchased approximately
     4.9% of the outstanding shares of TT in a private transaction from TT's
     largest shareholder, Toshiba Corporation, for approximately $16.1 million,
     including the costs of the transaction. In accordance with accounting
     rules, the company will realize a loss of approximately $3.7 million in the
     March 1999 quarter due to the difference between the cost and the fair
     market value of the securities on the date the securities were purchased.
     The investment will be accounted for as an available-for-sale security
     under SFAS No. 115, "Accounting for Certain Investments in Debt and Equity
     Securities."




                                       7
<PAGE>   10



ITEM 2.    MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
           AND RESULTS OF OPERATIONS
- -------------------------------------------------------------------------------

                              RESULTS OF OPERATIONS

SALES AND EARNINGS

During the quarter ended December 31, 1998, consolidated sales were $484.3
million, up 31 percent from $370.0 million in the same quarter last year. The
increase in sales was primarily attributable to the acquisition of Greenfield
and other companies, which accounted for $134.4 million of sales in the quarter
ended December 31, 1998. Excluding acquisitions, sales were 4 percent lower due
to reduced industrial demand of the company's metalworking products in North
America. This was partially offset by stronger demand in the European
metalworking market.

Net income for the quarter ended December 31, 1998, was $14.0 million, or $0.47
per share, as compared with net income of $9.6 million, or $0.36 per share in
the same quarter last year. The results for the quarter ended December 31, 1997
were reduced by approximately $10.6 million or $0.40 per share related to the
net effects of the Greenfield acquisition, including one-time costs of $4.6
million or $0.18 per share. Excluding the one-time costs for the December 1997
quarter, net income was negatively affected by lower sales in traditional
Kennametal markets, lower earnings at JLK and higher interest and amortization
expense related to acquisitions. This was partially offset by cost-reduction
actions implemented in November 1998.

During the six-month period ended December 31, 1998, consolidated sales were
$965.2 million, up 42 percent from $680.8 million last year. Net income was
$21.4 million, or $0.72 per share, compared to $27.1 million, or $1.02 per share
last year.

The following table presents the Company's sales by geographic area (in
thousands):

<TABLE>
<CAPTION>
                                               Three Months Ended                 Six Months Ended
                                                  December 31,                       December 31,
                                       -------------------------------     -------------------------------
                                        1998          1997    % Change       1998        1997     % Change
                                        ----          ----    --------       ----        ----     --------
<S>                                   <C>          <C>        <C>          <C>          <C>         <C>
Sales(1):
Metalworking:
  North America                        $ 93,383     $101,565      (8)%     $184,901     $200,656      (8)%
  Europe                                 75,423       65,166      16        145,463      120,821      20
  Asia Pacific                            9,568       11,771     (19)        18,877       23,524     (20)
  Industrial Products                    88,172       32,961     168        176,917       32,961     437
  Engineered Products & Other            45,459       27,406      66         90,337       36,721     146
JLK/Industrial Supply                   130,291       91,132      43        259,282      183,917      41
Mining and Construction                  42,022       40,047       5         89,463       82,240       9
                                       --------     --------     ---       --------     --------     ---
  Net sales                            $484,318     $370,048      31%      $965,240     $680,840      42%
                                       ========     ========     ===       ========     ========     ===

By Geographic Area:
Within the United States               $319,313     $239,214      33%      $652,201     $449,177      45%
International                           165,005      130,834      26        313,039      231,663      35
                                       --------     --------     ---       --------     --------     ---
  Net sales                            $484,318     $370,048      31%      $965,240     $680,840      42%
                                       ========     ========     ===       ========     ========     ===


     (1) Certain amounts in prior period sales have been reclassified to conform to the current year presentation.
</TABLE>

METALWORKING

During the December 1998 quarter, sales in the North America Metalworking market
decreased 8 percent from the previous year due to reduced demand by customers in
the aerospace, agriculture equipment, light engineering, oil field services and
other markets. Sales of Kennametal traditional metalcutting products sold
through all sales channels in North America, including sales through the JLK
market, decreased 4 percent during the quarter.


                                       8
<PAGE>   11



ITEM 2.       MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
              AND RESULTS OF OPERATIONS (CONTINUED)
- -------------------------------------------------------------------------------

Sales in the Europe Metalworking market grew 16 percent over the same quarter of
a year ago due to stronger demand, acquisitions and favorable foreign currency
translation effects. Demand for metalworking products continued to show gains in
the automotive and truck industries, though these gains were less robust than in
the previous quarter. Acquisition-related sales accounted for $7.2 million,
while favorable foreign currency translation effects were 4 percent during the
quarter. The acquisition-related sales were a result of the company's July 1,
1998 purchase of an increased ownership of affiliated companies in Italy.

In the Asia Pacific Metalworking market, sales declined 10 percent on a local
currency basis during the quarter. Sales continued to be affected by weak
economic conditions across most Asia Pacific countries. Including unfavorable
foreign currency translation effects, sales in the Asia Pacific Metalworking
market decreased 19 percent.

Sales in the Industrial Products market increased due to the inclusion of two
additional months of sales related to the acquisition of Greenfield which
occurred on November 17, 1997. On a comparable basis, demand for Greenfield
Industrial Products rose 1 percent during the quarter due to increased demand of
industrial products sold in consumer markets as a result of new sales programs.

Sales in the Greenfield Engineered Products and Other market increased due to
the inclusion of two additional months of sales related to the acquisition of
Greenfield which occurred on November 17, 1997, partially offset by the
divestiture of the Marine Products division in June 1998. On a comparable basis,
demand for Greenfield Engineered Products and Other declined 15 percent during
the quarter due to continued weak market conditions in the oil field services
industry and in electronic circuit board manufacturing.

For the six-month period ended December 31, 1998, sales in the North America
Metalworking market decreased 8 percent, sales in the Europe Metalworking market
increased 20 percent and sales in the Asia Pacific Metalworking market decreased
20 percent.

JLK/INDUSTRIAL SUPPLY 

Sales at JLK rose 43 percent primarily because of acquisitions, which accounted
for approximately $39.2 million of the sales gain. Excluding the effects of
acquisitions and the General Electric (GE) Contract disengagement, sales at JLK
increased 4 percent primarily due to higher sales to Full Service Supply
customers. The December 1997 quarter was the last quarter significantly affected
by the GE Contract disengagement. Sales to GE in the December 1997 quarter
amounted to $3.8 million. Overall, sales were affected by reduced industrial
demand across North America and weakness in the oil field services industry.
Additionally, a new showroom was opened in Buffalo, New York and 14 new Full
Service Supply contracts were added during this quarter.

For the six-month period ended December 31, 1998, sales in the Industrial Supply
market increased 41 percent.

MINING AND CONSTRUCTION 

During the December 1998 quarter, sales in the Mining and Construction market
increased 5 percent from a year ago and benefited from the Greenfield
acquisition. Excluding Greenfield, sales declined 5 percent as a result of lower
sales of metallurgical powders used in the oil field services industry.

For the six-month period ended December 31, 1998, sales in the Mining and
Construction market increased 9 percent.


                                       9

<PAGE>   12



ITEM 2.       MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
              AND RESULTS OF OPERATIONS (CONTINUED)
- -------------------------------------------------------------------------------

GROSS PROFIT MARGIN

As a percentage of sales, the gross profit margin for the December 1998 quarter
was 37.4 percent as compared with 40.7 percent in the prior year. Excluding the
effects of Greenfield, the gross margin would have been 40.5 percent. The gross
profit margin was affected by costs associated with plant consolidations and
rearrangements, lower-margin sales from acquired companies and an unfavorable
sales mix, partially offset by favorable foreign currency translation effects.

For the six-month period ended December 31, 1998, the gross profit margin was
37.3 percent, compared with 41.5 percent last year.

OPERATING EXPENSES

For the December 1998 quarter, operating expenses as a percentage of sales were
27.0 percent compared to 29.1 percent last year. Excluding the effects of
Greenfield, the operating expense ratio would have been 30.3 percent. Operating
expenses were affected by acquisitions, cost-reduction actions implemented in
November 1998 and other programs. These cost-reduction actions involved salaried
work force reductions, salary reductions, rationalization of several JLK
acquired locations and other measures.

The increase in the level of operating expenses is attributed to the inclusion
of operating expenses of acquired companies, the JLK expansion program, and
other programs. Additionally, amortization of intangibles increased
approximately $3.5 million related to the acquisition of Greenfield and other
companies.

For the six-month period ended December 31, 1998, the operating expenses as a
percentage of sales were 27.9 percent, compared with 30.3 percent last year. The
prior-year results include additional expenses of $5.5 million for the
completion of the company's world headquarters project. On an absolute dollar
basis, the increase in operating expenses is attributable to the acquisitions,
the JLK expansion program, including costs to relocate JLK's office and
warehouse in the United Kingdom, facility rationalizations and other programs.
These increases were partially offset by cost-reduction actions implemented in
November 1998. Additionally, amortization of intangibles increased approximately
$8.9 million related primarily to the acquisition of Greenfield and other
companies.

INTEREST EXPENSE

Interest expense in the December 1997 quarter included one-time costs of $8.0
million for the amortization of deferred bank financing fees related to the
acquisition of Greenfield. Excluding this one-time cost, interest expense
increased $6.9 million, due to higher average borrowings during the quarter.

For the six-month period ended December 31, 1998, interest expense was $35.3
million, compared with $19.9 million last year.

INCOME TAXES

The effective tax rate for the December 1998 quarter was 42.5 percent compared
to an effective tax rate of 47.5 percent in the second quarter of a year ago.
The effective tax rate in the prior year increased significantly due to the
alignment of the annual effective tax rate as a result of higher, nondeductible
goodwill related to the Greenfield acquisition.

For the six-month period ended December 31, 1998, the effective tax rate was
42.6 percent, compared with 42.4 percent last year.


                                       10
<PAGE>   13



ITEM 2.       MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
              AND RESULTS OF OPERATIONS (CONTINUED)
- -------------------------------------------------------------------------------

LIQUIDITY AND CAPITAL RESOURCES

The company's cash flow from operations is the primary source of financing for
capital expenditures and internal growth. During the six-months ended December
31, 1998, the Company generated $34.1 million in cash from operations. The
decrease in cash provided by operations compared to the same period a year ago
resulted primarily from lower net income and increased working capital
requirements, offset in part by higher noncash items.

Net cash used for investing activities was $61.6 million. Compared to the prior
year, the decrease in net cash used for investing activities was due to a
reduction in the level of acquisition activity in the first six-months of fiscal
1999. Cash used for investing activities during this same period consisted of
higher capital expenditures to upgrade machinery and equipment and to acquire
additional client-server information systems.

Net cash from financing activities was $38.2 million. The decrease in net cash
from financing activities compared to the same period a year ago was a result of
increased borrowings in fiscal 1998 under the company's bank credit agreement to
finance the acquisition of Greenfield including the assumption of Greenfield's
debt, as well as the net proceeds from the issuance and sale of common stock of
the company's JLK subsidiary.

On January 18, 1999, the company entered into a business cooperation agreement
with Toshiba Tungaloy Co., Ltd. (TT) to enhance the global business prospects
for metalcutting tools of both companies. The agreement includes various joint
activities in areas such as product development, research and development,
private labeling, cross-licensing, and sales and marketing. As part of the
agreement and as is customary in Japan as a sign of good faith, the company
purchased approximately 4.9% of the outstanding shares of TT in a private
transaction from TT's largest shareholder, Toshiba Corporation, for
approximately $16.1 million, including the costs of the transaction. In
accordance with accounting rules, the company will realize a loss of
approximately $3.7 million in the March 1999 quarter due to the difference
between the cost and the fair market value of the securities on the date the
securities were purchased. This transaction was financed through the borrowing
of Japanese yen under a new revolving credit agreement.

The intentions of the companies are to make the business cooperation agreement
successful and to develop a strong working relationship that will benefit both
companies in the future. The company will periodically evaluate the progress
made under this agreement and its current ownership position in TT to ensure
both are aligned with the company's operational and financial goals.

FINANCIAL CONDITION

Total assets were $2.2 billion at December 31, 1998, up 2.2 percent from $2.1
billion at June 30, 1998. Net working capital was $457.3 million an increase of
3.5 percent from $441.8 million at June 30, 1998. The ratio of current assets to
current liabilities was 2.1 as of December 31, 1998 and 2.2 as of June 30, 1998.
The total debt-to-total-capital ratio was 55.9 percent as of December 31, 1998
and 55.4 percent as of June 30, 1998.

YEAR 2000

Management believes that the company has substantially mitigated its exposure
relative to year 2000 issues for both information and non-information technology
systems. The company initiated a program beginning in 1996 to assess the
exposure to the year 2000 issue, and to prepare its computer systems, computer
applications and other systems for the year 2000. A management committee
actively monitors the status of the readiness program of each of the company's
business units. The company has currently completed more than 80 percent of the
tasks identified to remediate the year 2000 exposure, with the majority of the
remaining tasks targeted for June 1999 completion. The information systems being
utilized by the company that were not year 2000 compliant were either replaced
with a compliant system, or are in the process of being modified to become
compliant.



                                       11
<PAGE>   14


ITEM 2.       MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
              AND RESULTS OF OPERATIONS (CONTINUED)
- -------------------------------------------------------------------------------

Year 2000 exposure related to information systems has been substantially
mitigated throughout key metalworking and mining and construction operations
through the implementation of SAP R3 for most business processes. In efforts to
manage other business processes on year 2000 compliant information systems, the
company is implementing Manugistics to manage inventory and replenishment and
the Human Resources module of SAP. These systems are to be implemented by June
30, 1999.

The company is in the process of modifying existing non-compliant business
systems in the industrial product and engineered product operations to ensure
these operations are supported by a year 2000 compliant information system.
These modifications are expected to be completed and tested by April 1999.
Management intends to implement SAP R3 in these operations in the future.

At JLK, HK Systems' Enterprise Information System currently is being
implemented in two phases and will address the year 2000 issue. The initial
phase of this implementation is expected to be tested and completed by June
1999. The second phase is expected to be implemented in late 1999 and completed
thereafter. Due to the timing of the completion of the second phase, the company
currently is modifying the existing non-compliant systems to ensure the
remainder of these operations are supported by a year 2000 compliant information
system. These modifications are expected to be completed by August 1999.
Management has determined that sufficient internal resources are available and
adequate time exists to implement these procedures.

The company also has substantially completed an assessment of the impact of this
issue on its non-information technology systems, including the company's
personal computers, embedded technology in manufacturing and processing
equipment and tooling, and other non-information technology items, and has
determined that the majority of these systems are year 2000 compliant. The
company has identified a few non-information systems, critical to the
manufacturing operations, as non-year 2000 compliant and is currently replacing
these systems with year 2000 compliant systems. Other systems that have been
identified as not year 2000 compliant are not considered "mission critical"
systems to the overall manufacturing operations. The company is currently taking
action to remedy these other non-compliant systems through replacement of or
modification to the existing systems. Such remedies will be tested for year 2000
compliance prior to September 30, 1999. Contingency plans include shifting
production processes to year 2000 compliant manufacturing operations. The
company does not anticipate employing this contingency plan.

The company estimates the total year 2000 expenditures to be approximately $45.0
to $50.0 million, half of which are for computer hardware to replace
non-compliant computer systems and the other half to replace non-compliant
computer software, including software implementation and employee training.
Expenditures to rectify non-compliant personal computers and various
non-information technology items are estimated to be an additional $5.0 million.
These costs include both internal and external personnel costs related to the
assessment and remediation processes, as well as the cost of purchasing certain
hardware and software. There can be no guarantee that these estimates will be
achieved and actual results could differ from those planned.

Cash flows from operations have provided, and should continue to provide,
funding for these expenditures. The majority of these costs were incurred in
1997 and 1996. Total expenditures expected to be incurred in fiscal 1999 and
fiscal 2000 are estimated to be approximately $12.0 and $5.0 million,
respectively, related to the year 2000 issues. Expenditures incurred in fiscal
1999 to date approximate $9.1 million, over half of which relate to computer
hardware and software licenses.

Management believes the most significant impact of the year 2000 issue could be
an interrupted supply of goods and services from the company's vendors. The
company has an ongoing effort to gain assurances and certifications of
suppliers' readiness programs. To date, the results of this effort indicate that
the company's suppliers should be able to provide the company with sufficient
goods and services in the year 2000. To mitigate this risk, the company is
modestly increasing safety stock of critical materials and supplies. The company
will continue to expand its efforts to ensure that major third-party businesses
and public and private providers of infrastructure services, such as utilities,



                                       12

<PAGE>   15



ITEM 2.       MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
              AND RESULTS OF OPERATIONS (CONTINUED)
- -------------------------------------------------------------------------------

communications services and transportation, also will be prepared for the year
2000, and will address any failures on their part to become year 2000 compliant.
Contingency plans may include purchasing raw materials and supplies from
alternate certified vendors and a further increase of safety stock of critical
materials and supplies. The company does not anticipate employing this
contingency plan.

There can be no guarantee that the efforts of the company or of third parties,
whose systems the company relies upon, will completely mitigate a year 2000
problem that could have a material adverse affect on the company's operations or
financial results. While such problems could affect important operations of the
company and its subsidiaries, either directly or indirectly, in a significant
manner, the company cannot at present estimate either the likelihood or the
potential cost of such failures. However, the company will continue to
aggressively pursue all the year 2000 remediation activities discussed herein.

CONVERSION TO THE EURO CURRENCY

On January 1, 1999, certain members of the European Union established fixed
conversion rates between their existing currencies and the European Union's
common currency, the Euro. The company conducts business in member countries.
The transition period for the introduction of the Euro will be between January
1, 1999 and June 30, 2002. The company has been addressing the issues involved
with the introduction of the Euro. Where considered necessary, the company's
current business systems support this new currency, and therefore, the company 
has the ability to perform transaction denominated in the Euro. Other than the 
costs associated with the new systems as part of the year 2000 remediation, 
there were no additional costs incurred by the company as a result of this 
conversion.

Currently, the company has different price structures for goods being sold in
the member countries due to, among other things, historical differences in
volatility in the currencies of those individual countries. Price structure
harmonization has occurred over the past several years and is expected to
continue as these member countries become a unified common market. This
harmonization has not significantly affected the past financial results of the
company nor is it expected to have a significant impact in the future on the
company's financial results.

Further, the company's competitors will have to address the Euro conversion as
those companies currently have manufacturing facilities and distribution
networks in member countries. Management believes the conversion to the Euro
will not significantly impact any existing material contracts, nor should it
have any adverse tax or accounting consequences. Accordingly, conversion to the
Euro is not expected to have a material effect on the company's operations or
financial results.

OUTLOOK

In looking ahead to the remainder of the fiscal year, management expects to show
sequential improvement in sales over the first half of the year. The company's
results should continue to benefit from the cost-reduction actions implemented
in November 1998. On an ongoing basis, the company is evaluating consolidation
and other opportunities as a function of the ongoing operation of the business.
The cost of these opportunities and other initiatives could, in the future,
result in one-time charges to the income statement as these actions are
implemented. Management does not expect overall economic conditions to
strengthen in North America, but will remain focused on improving the operating
performance and balance sheet of the company.

This Form 10-Q contains "forward-looking statements" as defined by Section 21E
of the Securities Exchange Act of 1934. Actual results can differ materially
from those in the forward-looking statements to the extent that the economic
conditions in the United States, Europe and Asia Pacific, the effect of third
party or company failures to achieve timely remediation of year 2000 issues, and
the effect of the conversion to the Euro on the company's operations, change
from the company's expectations. The company undertakes no obligation to
publicly release any revisions to forward-looking statements to reflect events
or circumstances occurring after the date hereof.


                                       13
<PAGE>   16



                           PART II. OTHER INFORMATION

ITEM 4.       SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS
- -------------------------------------------------------------------------------

The information set forth in Part II, Item 4 of the company's September 30, 1998
Form 10-Q is incorporated by reference herein.


ITEM 6.       EXHIBITS AND REPORTS ON FORM 8-K
- -------------------------------------------------------------------------------

         (a)  Exhibits

              (10)   Material Contracts

                     10.1 Amendment to Credit Agreement with Mellon Bank, N.A.
                     and various creditors dated as of December 15, 1998. Filed
                     herewith.

              (27)   Financial Data Schedule for six months ended December 31,
                     1998, submitted to the Securities and Exchange Commission 
                     in electronic format. Filed herewith.

         (b)  Reports on Form 8-K

              No reports on Form 8-K were filed during the quarter ended
              December 31, 1998.



                                       14
<PAGE>   17






                                   SIGNATURES


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


                                            KENNAMETAL INC.



Date:  February 10, 1999                 By: /s/ FRANK P. SIMPKINS
                                            --------------------------------
                                            Frank P. Simpkins
                                            Corporate Controller and
                                            Chief Accounting Officer





                                       15

<PAGE>   1
                                                                  EXHIBIT 10.1


                        AMENDMENT TO TRANSATION DOCUMENTS


         THIS AMENDMENT, dated as of December 15, 1998, by and among KENNAMETAL
INC., a Pennsylvania corporation (the "Borrower"), the Lenders parties to the
Credit Agreement referred to below, and MELLON BANK, N.A., as Administrative
Agent under such Credit Agreement.

                                    RECITALS:

         WHEREAS, the Borrower has entered into a Credit Agreement, dated as of
November 17, 1997, by and among the Borrower, the Lenders parties thereto from
time to time, and Mellon Bank, N.A., as Administrative Agent (as amended by an
Amendment to Transaction Documents, dated as of November 26, 1997, an Amendment
to Transaction Documents, dated as of December 19, 1997, and an Amendment to
Transaction Documents, dated as of March 19, 1998, the "Credit Agreement"); and

         WHEREAS, the parties hereto desire to amend further the Credit
Agreement as set forth herein.

         NOW THEREFORE, the parties hereto, intending to be legally bound,
hereby agree as follows:

         SECTION 1. AMENDMENT RELATING TO EURO-RATE OPTION FUNDING PERIODS.
Section 2.03(c) of the Credit Agreement is hereby amended by deleting it in its
entirety and replacing it with the following:

         (c) Funding Periods. At any time when the Borrower shall select,
     convert to or renew the Euro-Rate Option to apply to any part of the
     Committed Loans, the Borrower shall specify one or more Funding Periods
     during which such Option shall apply, such Funding Periods being as set
     forth in the table below:

         Interest Rate Option      Available Funding Periods

         Euro-Rate Option          One, two or three weeks, or one, two, 
                                   three or six months 
                                   (each, a "Euro-Rate Funding Period");

     provided, that:

         (i) each Euro-Rate Funding Period shall begin on a London Business
     Day, and the terms "month" and "week," when used in connection with a
     Euro-Rate Funding Period, shall be construed in accordance with prevailing
     practices in the London interbank market at the commencement of such
     Euro-Rate Funding Period, as determined by the Administrative Agent (which
     determination shall be conclusive absent manifest error);

         (ii) the Borrower may not select a Euro-Rate Funding Period that would
     end after the Revolving Credit Maturity Date; and

         (iii) the aggregate number of Funding Segments of the Euro-Rate
     Portions of the Committed Loans at any time shall not exceed fifteen.

         SECTION 2. AMENDMENT RELATING TO RECAPTURE INDEBTEDNESS. Section
2.07(b)(i) of the Credit Agreement is hereby amended by deleting the first two
sentences thereof and replacing them with the following:

         "Reduction Event" shall mean any of the events defined as such in
Section 2.07(b)(ii), (iii), (iv), (v), (vi) or (vii). If a Reduction Event shall
occur, an amount not less than the corresponding 


                                       1

<PAGE>   2


Reduction Event Application Amount shall be applied (x) first, to prepayment of
the unpaid principal amount of outstanding Term Loans, if any, and then (y) the
balance, if any, shall be applied to reduction of the aggregate Revolving Credit
Committed Amounts; provided, that the Borrower shall not be obligated to make
any application pursuant to the foregoing clause (y) in the event that (A) the
Investment Grade Rating Condition is satisfied on the Reduction Event Date
corresponding to such Reduction Event, or (B) such Reduction Event arises under
Section 2.07(b)(vi) (relating to Excess Cash Flow).

         SECTION 3. AMENDMENTS RELATING TO THE LETTER OF CREDIT SUBFACILITY.

         (a) Terms of Letters of Credit. Section 3.01(a)(ii) of the Credit
Agreement is hereby amended by deleting it in its entirety and replacing it with
the following:

         (ii) Terms of Letters of Credit. The Borrower shall not request any
     Letter of Credit to be issued except within the following limitations: each
     Letter of Credit (including an evergreen Letter of Credit) (I) shall have
     an expiration date no later than ten days before the Revolving Credit
     Maturity Date, (II) shall be denominated in Dollars, and (III) shall be
     payable only against sight drafts (and not time drafts).

         (b) Renewal. Section 3.01(b)(ii) of the Credit Agreement is hereby
amended by adding the following sentence at the end of the subsection:

         A renewal of an evergreen Letter of Credit shall for all purposes
     hereunder (including Sections 3.01(a), 3.01(b)(i) and 5.02) be treated as
     though the Borrower had requested an issuance or extension of such Letter
     of Credit.

         (c) Limitations on Issuance, Extension and Amendment. Sections
3.01(b)(iii)(A), 3.01(b)(iii)(B) and 3.01(b)(iii)(C) of the Credit Agreement are
hereby amended by deleting the parenthetical "(including any deemed issuance
arising from increase or extension of a Letter of Credit as provided in Section
3.01(b)(ii))" and replacing it with the following parenthetical:

         (including any deemed issuance arising from any increase or extension
     of a Letter of Credit or any renewal of an evergreen Letter of Credit as
     provided in Section 3.01(b)(ii))

         SECTION 4. AMENDMENTS RELATING TO THE SWINGLINE SUBFACILITY.

         (a) Commitment Fee. Section 2.01(a)(iv) of the Credit Agreement is
hereby amended by adding the phrase "Competitive Bid Loans and Swingline Loans"
after the phrase "Revolving Credit Loans" in clause (B).

         (b) Mandatory Prepayments. Section 2.07(a) of the Credit Agreement is
hereby amended (i) by deleting the phrase "among Funding Segments of the
As-Offered Rate Portions of the Swingline Loans" in the last sentence and
replacing it with the phrase "among Base Rate Swingline Loans, among Quoted Rate
Swingline Loans" and (ii) by deleting the second sentence thereof in its
entirety and replacing it with the following:

         Such amount shall be applied first to the principal amount of Base
     Rate Swingline Loans, then to outstanding Letter of Credit Unreimbursed
     Draws, then to the principal amount of outstanding Revolving Credit Loans,
     then to the principal amount of outstanding Competitive Bid Loans and
     Quoted Rate Swingline Loans (pro rata according to their respective
     outstanding principal amounts) , and the balance shall be deposited into
     the Letter of Credit Collateral Account.

         (c) Reduction Events. Section 2.07(b)(i)(B) of the Credit Agreement is
hereby amended by deleting the phrase "or any Competitive Bid Loan" and
replacing it with the phrase ", any Competitive Bid Loan or any Quoted Rate
Swingline Loan".

         (d) Interest Payment Dates. Section 2.08 of the Credit Agreement is
hereby amended by (i) deleting clause (c) in its entirety, (ii) inserting the
word "and" after clause (a) and deleting the word "and" after clause (b), and
(iii) inserting the words "and each Quoted Rate Swingline Loan" 



                                       2

<PAGE>   3


after the first reference to "Competitive Bid Loan" and the words "or such
Quoted Rate Swingline Loan, as the case may be", after the second reference to
"Competitive Bid Loan" in the next to last sentence.

         (e) Interest on Overdue Amounts. Section 2.09(c)(i) of the Credit
Agreement is hereby amended by deleting the reference to "As-Offered Rate
Portion of the Swingline Loans" and replacing it with a reference to "Quoted
Rate Swingline Loans".

         (f) Funding Breakage. Section 2.10(b) of the Credit Agreement is hereby
amended by deleting it in its entirety and replacing it with the following:

         (b) Funding Breakage. In the event that for any reason (i) the
     Borrower fails to borrow, convert or renew any part of any Loan which
     would, after such borrowing, conversion or renewal, have a Euro-Rate
     Portion, or fails to borrow any part of any Competitive Bid Loan or Quoted
     Rate Swingline Loan, in each instance after notice requesting such
     borrowing, conversion or renewal has been given by the Borrower (whether
     such failure results from failure to satisfy applicable conditions to such
     borrowing, conversion or renewal or otherwise), or (ii) any part of any
     Funding Segment of any Euro-Rate Portion, or any part of any Competitive
     Bid Loan or Quoted Rate Swingline Loan, becomes due (by acceleration or
     otherwise), or is paid, prepaid or converted to another interest rate
     Option (whether or not such payment, prepayment or conversion is mandatory
     or automatic and whether or not such payment or prepayment is then due), on
     a day other than the last day of the corresponding Funding Period, the
     Borrower shall indemnify each Lender on demand (following delivery by such
     Lender to the Borrower of the certificate referred to below) against any
     loss, liability, cost or expense of any kind or nature which such Lender
     may sustain or incur in connection with or as a result of such event. Such
     indemnification in any event shall include an amount equal to the excess,
     if any, of (x) the aggregate amount of interest which would have accrued on
     the amount of the Euro-Rate Portion, Competitive Bid Loan or Quoted Rate
     Swingline Loan not so borrowed, converted or renewed, or which so becomes
     due, or which is so paid, prepaid or converted, as the case may be, from
     and including the date on which such borrowing, conversion or renewal would
     have been made pursuant to such notice, or on which such part of such
     Funding Segment or such part of such Competitive Bid Loan or Quoted Rate
     Swingline Loan so becomes due, or on which such part of such Funding
     Segment or such part of such Competitive Bid Loan or Quoted Rate Swingline
     Loan is so paid, prepaid or converted, as the case may be, to the last day
     of the Funding Period applicable to such amount (or, in the case of a
     failure to borrow, convert or renew, the Funding Period that would have
     been applicable to such amount but for such failure), in each case at the
     applicable rate of interest for such Euro-Rate Portion provided for herein
     (excluding, however, the Applicable Margin included therein, if any), or
     the applicable Quoted Swingline Rate or applicable Competitive Bid Rate, as
     the case may be, over (y) the aggregate amount of interest (as determined
     in good faith by such Lender) which would have accrued to such Lender on
     such amount for such period by placing such amount on deposit for such
     period with leading banks in the London interbank market. A certificate of
     a Lender Party claiming compensation under this Section 2.10(b) and setting
     forth the additional amount to be paid to it and indicating in reasonable
     detail the computation thereof shall be conclusive absent manifest error.

         (g) Substitution of a Lender. Section 2.13 of the Credit Agreement is
hereby amended by deleting the reference to "the Swingline Lender".

         (h) Swingline Loans. Section 3.02 of the Credit Agreement is hereby
amended by deleting it in its entirety and replacing it with the following:

         3.02. THE SWINGLINE SUBFACILITY.

         (a) The Swingline Subfacility.

         (i) General. Subject to the terms and conditions hereof and relying
     upon the representations and warranties herein set forth and upon the
     agreements of the Lenders set forth in Section 3.02(d), each Swingline
     Lender agrees (such agreement being called such Swingline Lender's
     "Swingline Commitment"), severally and not jointly, at any time and from



                                       3

<PAGE>   4



     time to time on and after the Swingline Effective Date and until the
     earlier of the Business Day immediately preceding the Revolving Credit
     Maturity Date and the termination of the Swingline Commitment of such
     Swingline Lender, (A) to make available to the Borrower Swingline Loans
     ("Quoted Rate Swingline Loans") on the basis of quoted interest rates
     (each, a "Quoted Swingline Rate") furnished by such Swingline Lender from
     time to time in its discretion to the Borrower (through the Administrative
     Agent) and accepted by the Borrower in its discretion and (B) to make
     Swingline Loans ("Base Rate Swingline Loans") to the Borrower bearing
     interest at a rate equal to the Base Rate Option; provided, however, that
     no Swingline Lender shall be obligated to furnish a Quoted Swingline Rate
     to the Borrower pursuant to clause (A).

         (ii) Limitations on Amount of Swingline Loans. The aggregate
     outstanding principal amount of Swingline Loans is limited as follows:

         (A) The aggregate outstanding principal amount of Base Rate Swingline
     Loans for each Swingline Lender shall not exceed such Swingline Lender's
     Swingline Committed Amount, although the aggregate outstanding principal
     amount of (I) the Base Rate Swingline Loans plus the Quoted Rate Swingline
     Loans of any Swingline Lender or (II) the Quoted Rate Swingline Loans of
     any Swingline Lender may exceed such Swingline Lender's Swingline Committed
     Amount.

         (B) The aggregate principal amount of all Swingline Loans may not at
     any time exceed the Swingline Current Availability. The Administrative
     Agent shall calculate the Swingline Current Availability each time there is
     a change in the aggregate outstanding principal amount of the Revolving
     Credit Loans, the aggregate Letter of Credit Exposure, the outstanding
     principal amount of Competitive Bid Loans, or the Revolving Credit
     Committed Amounts. The "Swingline Current Availability" at any time shall
     be equal to the lesser of:

         (I) The Swingline Subfacility Amount;

         (II) The aggregate amount of Swingline Committed Amounts then in
     effect; or

         (III) The amount equal to (y) the aggregate Revolving Credit Committed
     Amounts of the Lenders, minus (z) the sum of (1) the aggregate principal
     amount of Revolving Credit Loans, plus (2) the aggregate Letter of Credit
     Exposure, plus (3) the aggregate principal amount of Competitive Bid Loans.

         The Borrower shall not permit the aggregate principal amount of
     Swingline Loans at any time outstanding to exceed the Swingline Current
     Availability at such time.

         (iii) Certain Procedures. Each Quoted Rate Swingline Loan shall be
     made only by the Swingline Lender furnishing the relevant Quoted Swingline
     Rate. Each Base Rate Swingline Loan shall be made by the Swingline Lenders
     ratably in accordance with their respective Swingline Percentages. The
     Swingline Loans shall be made in a minimum aggregate principal amount of
     $1,000,000 or an integral multiple of $1,000,000 in excess thereof (or an
     aggregate principal amount equal to the remaining balance of the available
     Swingline Committed Amounts). Each Swingline Lender shall make the portion
     of each Swingline Loan to be made by it available to the Borrower by means
     of a credit to the general deposit account of the Borrower with the
     Administrative Agent or a wire transfer, at the expense of the Borrower, to
     an account designated in writing by the Borrower, in each case by 3:30
     p.m., Pittsburgh time, on the date such Swingline Loan is requested to be
     made pursuant to paragraph (b) below, in immediately available funds.

         (iv) Revolving Credit. The Borrower may borrow, prepay and reborrow
     Swingline Loans on or after the Swingline Effective Date and prior to the
     Business Day immediately preceding the Revolving Credit Maturity Date (or
     such earlier date on which the Swingline Commitments shall terminate in
     accordance herewith) on the terms and subject to the conditions and
     limitations set forth herein.


                                       4


<PAGE>   5



          (v) Swingline Notes. The obligation of the Borrower to repay the
     unpaid principal amount of the Swingline Loans made by it to each Swingline
     Lender and to pay interest thereon shall be evidenced in part by a
     promissory note of the Borrower to such Swingline Lender, dated the
     Swingline Effective Date (the "Swingline Notes"), in substantially the form
     attached hereto as Exhibit A-2, with the blanks appropriately filled,
     payable to the order of such Lender in an amount equal to the Swingline
     Subfacility Amount.

          (vi) Maturity. To the extent not due and payable earlier, the
     Swingline Loans shall be due and payable on the Revolving Credit Maturity
     Date.

          (b) Notice. The Borrower shall give the Administrative Agent
     telephonic, written or telecopy notice in the form agreed to by the
     Borrower and the Administrative Agent (in the case of telephonic notice,
     such notice shall be promptly confirmed by telecopy) no later than 2:30
     p.m., Pittsburgh time (or, in the case of a proposed Quoted Rate Swingline
     Loan, 12:00 noon, Pittsburgh time), on the day of a proposed Swingline
     Loan. Such notice shall be delivered on a Business Day, shall be
     irrevocable (subject, in the case of Quoted Rate Swingline Loans, to
     receipt by the Borrower of Quoted Swingline Rates acceptable to it) and
     shall refer to this Agreement and shall specify the requested date (which
     shall be a Business Day), the period (which must end no later than the
     Business Day prior to the Revolving Credit Maturity Date) during which it
     desires any requested Quoted Swingline Rate to apply (the "Quoted Rate
     Swingline Funding Periods"), and the amount of such Swingline Loan. The
     Administrative Agent shall promptly advise the Swingline Lenders of any
     notice received from the Borrower pursuant to this Section 3.02(b). In the
     event that the Borrower accepts a Quoted Swingline Rate in respect of a
     proposed Quoted Rate Swingline Loan, it shall notify the Administrative
     Agent (which shall in turn notify the relevant Swingline Lender) of such
     acceptance no later than 2:30 p.m., Pittsburgh time, on the relevant
     borrowing date.

          (c) Rights of the Parties.

          (i) As between the Borrower on the one hand, and the Lender Parties,
     on the other hand, the making of any Base Rate Swingline Loan is subject to
     the applicable conditions set forth or referred to in this Section 3.02 and
     Article V and VIII. In addition, a Swingline Lender shall be justified and
     fully protected in declining to make a Base Rate Swingline Loan if such
     Swingline Lender has received notice from the Administrative Agent, acting
     at the direction of the Required Lenders, to cease making Base Rate
     Swingline Loans as provided in Section 3.02(c)(ii).

          (ii) As between any Swingline Lender, on the one hand, and the
     Administrative Agent and the Lenders, on the other hand, a Swingline Lender
     shall not make any Base Rate Swingline Loan if such Swingline Lender shall
     have received, at least two Business Days before making such Swingline
     Loan, from the Administrative Agent, acting at the direction of the
     Required Lenders, an unrevoked written notice that any applicable condition
     precedent set forth or referred to in this Section 3.02 or Article V or
     VIII will not be satisfied and expressly requesting that such Swingline
     Lender cease to make Base Rate Swingline Loans. Absent such notice, each
     Swingline Lender shall be justified and fully protected, as against the
     Administrative Agent and the Lenders, in making Base Rate Swingline Loans,
     notwithstanding any knowledge of an Event of Default or Potential Default,
     any knowledge of failure of any applicable condition precedent set forth or
     referred to in this Section 3.02 or Article V or VIII to be satisfied, any
     other knowledge of any Swingline Lender, or any other event, condition or
     circumstance whatever.

          (d) Removal and Designation of Swingline Lenders. Upon two Business
     Days' prior written or telecopy notice to the Swingline Lenders and to the
     Administrative Agent, the Borrower may at any time terminate, from time to
     time in part reduce, or from time to time (with the written approval of the
     relevant Swingline Lender) increase, the Swingline Committed Amount of any
     Swingline Lender. At any time when there shall be fewer than eight
     Swingline Lenders, the Borrower may appoint from among the Lenders a new
     Swingline Lender, subject to the prior written consent of such new
     Swingline Lender and to two Business Days' prior notice to the
     Administrative Agent, so long as at no time shall there be more than eight
     Swingline Lenders. Notwithstanding anything to the contrary in this
     Agreement,


                                       5

<PAGE>   6


          (i) if any Base Rate Swingline Loans shall be outstanding at the time
     of any termination, reduction, increase or appointment pursuant to the
     preceding two sentences, the Borrower shall on the date thereof prepay or
     borrow Base Rate Swingline Loans to the extent necessary to ensure that at
     all times the outstanding Base Rate Swingline Loans held by the Swingline
     Lenders shall be pro rata according to the respective Swingline Committed
     Amounts of the Swingline Lenders. On the date of any termination or
     reduction of the Swingline Committed Amounts pursuant to this paragraph
     (d), the Borrower shall pay or prepay so much of the Swingline Loans as
     shall be necessary in order that, after giving effect to such termination
     or reduction, (i) the aggregate outstanding principal amount of the Base
     Rate Swingline Loans of any Swingline Lender will not exceed the Swingline
     Committed Amount of such Swingline Lender and (ii) the aggregate
     outstanding principal amount of all Swingline Loans will not exceed the
     aggregate Swingline Committed Amounts. At no time may the aggregate
     Swingline Committed Amounts exceed the Swingline Subfacility Amount.

          (e) Prepayments. Except as provided in Section 2.10(b), the Borrower
     may prepay any Swingline Loan in whole or in part at any time without
     premium or penalty; provided that the Borrower shall have given the
     Administrative Agent written or telecopy notice (or telephone notice
     promptly confirmed in writing or by telecopy) of such prepayment not later
     than 10:30 a.m., Pittsburgh time, on the Business Day designated by the
     Borrower for such prepayment; and provided further that each partial
     payment shall be in an amount that is an integral multiple of $1,000,000.
     Each notice of prepayment under this subsection (e) shall specify the
     prepayment date and the principal amount of each Swingline Loan (or portion
     thereof) to be prepaid, shall be irrevocable and shall commit the Borrower
     to prepay such Swingline Loan (or portion thereof) by the amount stated
     therein on the date stated therein. All prepayments under this subsection
     (e) shall be accompanied by accrued interest on the principal amount being
     prepaid to the date of payment. Each payment of principal of or interest on
     Base Rate Swingline Loans shall be allocated, as between the Swingline
     Lenders, pro rata, in accordance with their respective Swingline
     Percentages.

          (f) Swingline Loan Participating Interests.

          (i) Generally. At the discretion of a Swingline Lender at any time,
     such Swingline Lender may require each other Lender to purchase, acquire,
     accept and assume from such Swingline Lender, without recourse to, or
     representation or warranty by, such Swingline Lender, an undivided
     interest, in a proportion equal to such Lender's Pro Rata share, in all of
     such Swingline Lender's rights in the principal amount of such Swingline
     Lender's outstanding Base Rate Swingline Loans, together with accrued and
     unpaid interest thereon, and all collateral, guarantees and other rights
     from time to time directly or indirectly securing the foregoing (such
     interest of each Lender being referred to herein as a "Swingline Loan
     Participating Interest"). Amounts other than principal and interest on such
     Base Rate Swingline Loans, including amounts payable under or in connection
     with any zero-balance or other account maintained with such Swingline
     Lender or otherwise payable to such Swingline Lender in connection with any
     automatic borrowing system or other cash management operations for the
     Borrower shall be for the sole account of such Swingline Lender. On the
     date that any Purchasing Lender becomes a party to this Agreement in
     accordance with Section 10.14, Swingline Loan Participating Interests in
     any outstanding Base Rate Swingline Loans held by the Lender from which
     such Purchasing Lender acquired its interest hereunder shall be
     proportionately reallocated between such Purchasing Lender and such
     transferor Lender (and, to the extent such transferor Lender is a Swingline
     Lender, the Purchasing Lender shall be deemed to have acquired a Swingline
     Loan Participating Interest from such transferor Lender to such extent).

          (ii) Obligations Absolute. Notwithstanding any other provision hereof,
     each Lender hereby agrees that its obligation to participate in each Base
     Rate Swingline Loan issued in accordance herewith, and its obligation to
     make the payments specified in this Section 3.02(f), are each absolute,
     irrevocable and unconditional and shall not be affected by any event,
     condition or circumstance whatever. The failure of any Lender to make any
     such payment shall not relieve any other Lender of its funding obligation
     hereunder on the date due, but no Lender shall be responsible for the
     failure of any other Lender to meet its funding obligations hereunder.




                                       6
<PAGE>   7



          (iii) Payment by Lenders on Account of Swingline Loans. If a Swingline
     Lender desires to sell Swingline Loan Participating Interests to the
     Lenders, such Swingline Lender will promptly notify the Administrative
     Agent thereof (which notice may be by telephone), and the Administrative
     Agent shall forthwith notify each Lender (which notice may be by telephone
     promptly confirmed in writing) thereof. No later than the Administrative
     Agent's close of business on the date such notice is given by the
     Administrative Agent (if such notice is given by the Administrative Agent
     before 12:00 noon., Pittsburgh time on such date), each such Lender will
     pay to the Administrative Agent, for the account of such Swingline Lender,
     in immediately available funds, an amount equal to such Lender's Pro Rata
     share of the outstanding principal amount of such Swingline Lender's Base
     Rate Swingline Loans and accrued and unpaid interest thereon. If and to the
     extent that any Lender fails to make such payment to such Swingline Lender
     on such date, such Lender shall pay such amount on demand, together with
     interest, for such Swingline Lender's own account, for each day from and
     including the date of notice to such Lender to and including the date of
     repayment to such Swingline Lender (before and after judgment) at the
     following rates per annum: (x) for each day from and including the date of
     such payment by such Swingline Lender to and including the second Business
     Day thereafter, at the Federal Funds Effective Rate for such day, and (y)
     for each day thereafter, at the rate applicable to the Swingline Loans for
     such day.

          (iv) Distributions to Participants. If, at any time, after a Swingline
     Lender has made a Base Rate Swingline Loan and has received from any Lender
     such Lender's share of such Base Rate Swingline Loan, and such Swingline
     Lender receives any payment or makes any application of funds on account of
     such Base Rate Swingline Loan, such Swingline Lender will pay to the
     Administrative Agent, for the account of such Lender, such Lender's Pro
     Rata share of such payment.

          (v) Rescission. If any amount received by a Swingline Lender on
     account of any Base Rate Swingline Loan or interest thereon shall be
     avoided, rescinded or otherwise returned or paid over by such Swingline
     Lender for any reason at any time, whether before or after the termination
     of this Agreement (or such Swingline Lender believes in good faith that
     such avoidance, rescission, return or payment is required, whether or not
     such matter has been adjudicated), each such Lender will, promptly upon
     notice from the Administrative Agent or such Swingline Lender, pay over to
     the Administrative Agent for the account of such Swingline Lender its Pro
     Rata share of such amount, together with its Pro Rata share of any interest
     or penalties payable with respect thereto.

          (vi) Equalization. If any Lender receives any payment or makes any
     application on account of its Swingline Loan Participating Interest, such
     Lender shall forthwith pay over to the applicable Swingline Lender, in
     Dollars and in like kind of funds received or applied by it the amount in
     excess of such Lender's ratable share of the amount so received or applied.

          (g) Certain Provisions Relating to the Swingline Lenders.

          (i) General. A Swingline Lender shall have no duties or
     responsibilities except those expressly set forth in this Agreement and the
     other Loan Documents, and no implied duties or responsibilities on the part
     of a Swingline Lender shall be read into this Agreement or any Loan
     Document or shall otherwise exist. The duties and responsibilities of each
     Swingline Lender to the other Lender Parties under this Agreement and the
     other Loan Documents shall be mechanical and administrative in nature, and
     no Swingline Lender shall have a fiduciary relationship in respect of any
     Lender Party or any other Person. A Swingline Lender shall not be liable
     for any action taken or omitted to be taken by it under or in connection
     with this Agreement or any other Loan Document, unless caused by its own
     gross negligence or willful misconduct. A Swingline Lender shall not be
     under any obligation to ascertain, inquire or give any notice relating to
     (i) the performance or observance of any of the terms or conditions of this
     Agreement or any other Loan Document on the part of the Borrower, (ii) the
     business, operations, condition (financial or other) or prospects of the
     Borrower or any other Person, or (iii) the existence of any Event of
     Default or Potential Default. A Swingline Lender shall not be under any
     obligation, either initially or on a continuing basis, to provide the
     Administrative Agent or any Lender with any notices, reports or information
     of any nature, whether in its



                                       7

<PAGE>   8

     possession presently or hereafter, except for such notices, reports and
     other information expressly required by this Agreement to be so furnished.

          (ii) Administration. Each Swingline Lender may rely upon any notice or
     other communication of any nature (written or oral, including but not
     limited to telephone conversations, whether or not such notice or other
     communication is made in a manner permitted or required by this Agreement
     or any Loan Document) purportedly made by or on behalf of the proper party
     or parties, and a Swingline Lender shall not have any duty to verify the
     identity or authority of any Person giving such notice or other
     communication. Each Swingline Lender may consult with legal counsel
     (including, without limitation, in-house counsel for such Swingline Lender
     or in-house or other counsel for the Borrower), independent public
     accountants and any other experts selected by it from time to time, and a
     Swingline Lender shall not be liable for any action taken or omitted to be
     taken in good faith in accordance with the advice of such counsel,
     accountants or experts. Whenever a Swingline Lender shall deem it necessary
     or desirable that a matter be proved or established with respect to the
     Borrower or any Lender Party, such matter may be established by a
     certificate of the Borrower or such Lender Party, as the case may be, and
     the Swingline Lender may conclusively rely upon such certificate.

          (iii) Indemnification of Swingline Lenders by Lenders. Each Lender
     hereby agrees to reimburse and indemnify each Swingline Lender and its
     directors, officers, employees and agents (to the extent not reimbursed by
     the Borrower and without limitation of the obligations of the Borrower to
     do so), Pro Rata, from and against any and all amounts, losses,
     liabilities, claims, damages, expenses, obligations, penalties, actions,
     judgments, suits, costs or disbursements of any kind or nature (including,
     without limitation, the fees and disbursements of counsel (other than
     in-house counsel) for such Swingline Lender or such other Person in
     connection with any investigative, administrative or judicial proceeding
     commenced or threatened, whether or not such Swingline Lender or such other
     Person shall be designated a party thereto) that may at any time be imposed
     on, incurred by or asserted against such Swingline Lender, in its capacity
     as such, or such other Person, as a result of, or arising out of, or in any
     way related to or by reason of, this Agreement, any other Loan Document,
     any transaction from time to time contemplated hereby or thereby, or any
     transaction financed in whole or in part, or directly or indirectly, with
     the proceeds of any Base Rate Swingline Loan, provided, that no Lender
     shall be liable for any portion of such amounts, losses, liabilities,
     claims, damages, expenses, obligations, penalties, actions, judgments,
     suits, costs or disbursements (i) resulting from the gross negligence or
     willful misconduct of such Swingline Lender or such other Person, or (ii)
     resulting from any action or nonaction of such Swingline Lender or such
     other Person relating to a Quoted Rate Swingline Loan.

          (i) Cash Collateral. Section 3.01(g) of the Credit Agreement is hereby
     amended by deleting everything before the parenthetical and replacing it
     with the following:

          To the extent that any provision of this Agreement or the Loan
     Documents requires a payment, prepayment or other application of funds to
     be made with respect to the Loans, such provision shall be applied as
     follows: after payment in full of the outstanding Loans

          (j) Basic Conditions. Section 5.02(a) of the Credit Agreement is
     hereby amended by deleting the references to Section 3.02(a)(i) and
     replacing them with references to Section 3.02(a)(ii).

          (k) Application of Proceeds. Section 8.03 of the Credit Agreement is
     hereby amended by deleting the reference to "the Swingline Lender" in
     clause Second and replacing it with a reference to "the Swingline Lenders".

          (l) Records. Section 10.02 of the Credit Agreement is hereby amended
     by deleting the phrase "of the Swingline Lender" and replacing it with the
     phrase "of the Swingline Lender making such Swingline Loans".

          (m) Amendments and Waivers. Section 10.03(d) of the Credit Agreement
     is hereby amended by deleting the phrase "or impose additional duties upon
     the Swingline Lender, or


                                       8

<PAGE>   9

     otherwise affect the rights, interests or obligations of the Swingline
     Lender, without the written consent of the Swingline Lender" and replacing
     it the following:

          or impose additional duties upon any Swingline Lender, or otherwise
     affect the rights, interests or obligations of any Swingline Lender without
     the written consent of such Swingline Lender.

          (n) Duration; Survival. Section 10.09(b) of the Credit Agreement is
     amended by deleting the reference to "Section 3.02(e)(iii)" and
     substituting a reference to "Section 3.02(g)(iii)".

          (o) Participations. Section 10.14(b)(v) of the Credit Agreement is
     hereby amended by deleting the phrase "consent of the Administrative Agent,
     the Issuing Bank Representative and the Swingline Lender" and substituting
     the phrase "consent of the Administrative Agent and the Issuing Bank
     Representative".

          (p) Assignments. Section 10.14(c)(i) of the Credit Agreement is hereby
     amended by deleting the phrase "consent of the Borrower, the Administrative
     Agent, the Issuing Bank Representative and the Swingline Lender" and
     substituting the phrase "consent of the Borrower, the Administrative Agent
     and the Issuing Bank Representative". Section 10.14(c)(iii) of the Credit
     Agreement is hereby amended by adding at the end of the proviso (before the
     parenthesis) the phrase "or Quoted Rate Swingline Loans".

          (q) Definitions.

          (i) The following definitions are deleted from Annex A of Credit
     Agreement: "Applicable Lending Office"; "As-Offered Rate"; "As-Offered Rate
     Funding Period"; "As-Offered Rate Option"; "As-Offered Rate Portion";
     "Funding Period"; "Funding Segment"; "Notes"; "Portion"; "Revolving Credit
     Exposure"; "Swingline Commitment"; "Swingline Current Availability";
     "Swingline Lender"; "Swingline Loan Participating Interest"; "Swingline
     Loans"; "Swingline Notes"; "Swingline Subfacility Amount"; "Revolving
     Credit Exposure"; "Revolving Credit Usage",

          (ii) The following definitions are added to Annex A of the Credit
     Agreement in correct alphabetical order.

          "Applicable Lending Office" means, with respect to any Lender, (i) in
     the case of the Base Rate Portion of its Loans, its Domestic Lending
     Office, (ii) in the case of the Euro-Rate Portion of its Loans, its
     Euro-Rate Lending Office (iii) in the case of its Competitive Bid Loans,
     its Competitive Bid Lending Office, and (iv) in the case of Quoted Rate
     Swingline Loans, its Quoted Rate Swingline Lending Office.

          "Base Rate Swingline Loan" shall have the meaning given to that term
     in Section 3.02(a)(i).

          "Funding Period" shall mean any Euro-Rate Funding Period, Competitive
     Bid Funding Period or Quoted Rate Swingline Funding Period.

          "Funding Segment" of a Euro-Rate Portion at any time shall mean the
     entire principal amount of such Portion to which at the time in question
     there is applicable a particular Funding Period beginning on a particular
     day and ending on a particular day. (By definition, each such Portion is at
     all times composed of an integral number of discrete Funding Segments and
     the sum of the principal amounts of all Funding Segments of such Portion at
     any time equals the principal amount of such Portion at such time.)

          "Notes" shall mean the Committed Notes, the Swingline Notes and the
     Competitive Bid Notes.

          "Portion" shall mean the Base Rate Portion or the Euro-Rate Portion.



                                       9
<PAGE>   10



          "Quoted Rate Swingline Funding Period" shall have the meaning given to
     that term in Section 3.02(b).

          "Quoted Rate Swingline Lending Office" shall mean, as to each
     Swingline Lender, its office located at its address set forth on Annex D
     hereto or such other office as any Swingline Lender may designate as its
     Quoted Rate Swingline Lending Office by notice to the Borrower and the
     Administrative Agent.

          "Quoted Rate Swingline Loans" shall have the meaning assigned to such
     term in Section 3.02(a)(i).

          "Quoted Swingline Rate" shall have the meaning assigned to such term
     in Section 3.02(a)(i).

          "Revolving Credit Exposure" of any Lender at any time shall mean (i)
     for purposes of the definitions of "Required Lenders" and "Supermajority
     Lenders", the sum at such time of the outstanding principal amount of such
     Lender's Revolving Credit Loans plus such Lender's Pro Rata share of the
     sum of the aggregate Letter of Credit Exposure and the aggregate
     outstanding principal amount of Swingline Loans and (ii) for all other
     purposes, the sum at such time of the outstanding principal amount of such
     Lender's Revolving Credit Loans plus such Lender's Pro Rata share of the
     sum of the aggregate Letter of Credit Exposure and the aggregate
     outstanding principal amount of Base Rate Swingline Loans.

          "Revolving Credit Usage" of any Lender at any time shall mean the sum
     at such time of such Lender's Revolving Credit Exposure plus such Lender's
     Pro Rata share of the sum of the aggregate outstanding principal amount of
     Competitive Bid Loans plus the aggregate outstanding principal amount of
     Quoted Rate Swingline Loans.

          "Swingline Commitment" shall have the meaning given that term in
     Section 3.02(a)(i).

          "Swingline Committed Amount" for any Swingline Lender shall mean the
     amount set forth on Annex D hereto, with respect to such Swingline Lender,
     as such amount may have been reduced or decreased under Section 3.02 (d)
     hereof or with respect to any Lender becoming a Swingline Lender after the
     Swingline Effective Date, the amount determined in accordance with Section
     3.02 (d).

          "Swingline Current Availability" shall have the meaning given that
     term in Section 3.02(a)(ii).

          "Swingline Effective Date" shall mean December 15, 1998.

          "Swingline Lender" shall mean the Lenders set forth on Annex D hereto,
     subject to the addition and deletion of Lenders in accordance with Section
     3.02(d) hereof, and subject to the provisions of Section 10.14 pertaining
     to Persons becoming or ceasing to be Lenders.

          "Swingline Loan Participating Interest" shall have the meaning given
     that term in Section 3.02(f)(i).

          "Swingline Loans" shall mean the collective reference to the Base Rate
     Swingline Loans and the Quoted Rate Swingline Loans.

          "Swingline Notes" shall mean the promissory notes of the Borrower
     executed and delivered under Section 3.02(a)(v), together with any note
     issued in substitution therefor pursuant to this Agreement.

          "Swingline Percentage" of any Swingline Lender at any time shall mean
     the percentage of the aggregate Swingline Committed Amounts represented by
     such Swingline Lender's Swingline Committed Amount.

          "Swingline Subfacility Amount" shall mean $200,000,000.


                                       10

<PAGE>   11


         (r) Swingline Lenders; Annex D. A new Annex D to Credit Agreement is
     hereby added to the Credit Agreement to read in its entirety as set forth
     in the form attached hereto.

         (s) Form of Swingline Note. Exhibit A-2 to the Credit Agreement is
     hereby amended by deleting it in its entirety and replacing it with Exhibit
     A-2 to Credit Agreement in the form attached hereto.

         SECTION 5. AMENDMENT RELATING TO THE COMPETITIVE BID SUBFACILITY.

         (a) Competitive Bid Loans. Section 3.03(a)(i) of the Credit Agreement
is hereby amended by deleting it in its entirety and replacing it with the
following:

         (i) Competitive Bid Loans. Subject to the terms and conditions of this
     Agreement, the Borrower may, as set forth in this Section 3.03, request the
     Lenders from time to time prior to the Revolving Credit Maturity Date to
     make offers to make Competitive Bid Loans to the Borrower. Each Lender may,
     but shall have no obligation to, make one or more such offers, and the
     Borrower may, but shall have no obligation to, accept any such offers, in
     the manner set forth in this Section 3.03. The Borrower shall not request
     or accept any offer to make a Competitive Bid Loan except within the
     following limitations: (A) the aggregate principal amount of Competitive
     Bid Loans outstanding at any time shall not exceed $150,000,000, and (B)
     the aggregate Revolving Credit Usages of the Lenders may not exceed the
     aggregate Revolving Credit Committed Amounts of the Lenders at any time.

         (b) Administration Fee. Section 3.03(a)(v) of the Credit Agreement is
hereby amended by deleting it in its entirety and replacing it with the
following:

         (v) Administration Fee. [Intentionally Omitted.]

         SECTION 6. AMENDMENT RELATING TO INTEREST RATE HEDGING AGREEMENTS.
Section 6.12 is hereby amended by deleting it in its entirety and replacing it
with the following:

         6.12. Interest Rate Protection. [Intentionally Omitted.]


         SECTION 7. AMENDMENT RELATING TO PERMITTED INDEBTEDNESS. Sections
7.02(e), 7.02(f) and 7.02(g) are hereby amended by deleting them in their
entirety and replacing them with the following:

         (e) Indebtedness of the Borrower or its Subsidiaries constituting (i)
obligations under capitalized leases, (ii) Indebtedness secured by purchase
money Liens described in Section 7.03(e), or (iii) Indebtedness described in
Section 7.03(f); provided, that the aggregate principal amount of outstanding
Indebtedness described in this Section 7.02(e) shall not exceed $75,000,000 (or
the equivalent in any currency) at any time;

         (f) Other Indebtedness of the Borrower or Subsidiaries of the Borrower
not exceeding $225,000,000 (or the equivalent in any currency) in aggregate
principal amount at any time outstanding;

         (g) Indebtedness owing to the Borrower or to a consolidated Subsidiary
of the Borrower;

         SECTION 8. AMENDMENTS RELATING TO PERMITTED GUARANTIES.

         (a) Permitted Guaranties. Section 7.04 of the Credit Agreement is
hereby amended by deleting it in its entirety and replacing it with the
following:

         7.04. Guaranties, etc. [Intentionally Omitted.]



                                       11
<PAGE>   12


         (b) Permitted Indebtedness. Section 7.02(i) of the Credit Agreement is
     hereby amended by deleting it in its entirety and replacing it with the
     following:

         (i) [Intentionally Omitted.];

         SECTION 9. AMENDMENT RELATING TO PERMITTED LOANS, ADVANCES AND
INVESTMENTS. Section 7.05 of the Credit Agreement is hereby amended by deleting
it in its entirety and replacing it with the following:

         7.05. Loans, Advances and Investments. [Intentionally Omitted.]

         SECTION 10. AMENDMENTS RELATING TO DISPOSITIONS OF PROPERTIES.

         (a) Permitted Dispositions of Properties. Section 7.07 of the Credit
Agreement is hereby amended by deleting it in its entirety and replacing it with
the following:

          7.07. Dispositions of Properties. The Borrower and its consolidated
     Subsidiaries taken as a whole, shall not convey, sell, lease, assign,
     transfer or otherwise dispose of, all or substantially all of their
     property, business or assets. Any sale, conveyance, lease, transfer,
     abandonment or other disposition of, voluntarily or involuntarily, directly
     or indirectly, any property of the Borrower or any Subsidiary of the
     Borrower, now existing or hereafter acquired, may be subject to Section
     2.07(b)(ii).

         (b) Mandatory Prepayments. Section 2.07(b)(ii)(J) of the Credit
Agreement is hereby amended by deleting it in its entirety and replacing it with
the following:

         (J) any factoring of trade receivables originated by a Foreign
     Subsidiary; provided, that the aggregate amount of all transactions
     described in this clause (J) from and after the date hereof shall not
     exceed $25,000,000 (or the equivalent in any currency at any time).

         SECTION 11. AMENDMENTS RELATING TO YEAR 2000 REPRESENTATION AND
WARRANTY AND YEAR 2000 COVENANT.

         (a) Representation and Warranty. A new section 4.21 is added to the
Credit Agreement to read in its entirety as follows:

         Section 4.21. Year 2000 Compliance. The Borrower has reviewed its
     operations and those of its Subsidiaries with a view to assessing whether
     their business, taken as a whole, will be vulnerable to a Year 2000
     Problem. As of December 15, 1998, the Borrower has a reasonable basis to
     believe that, solely with respect to its internal operations under its
     direct control, and in view of its efforts to date to address a potential
     Year 2000 Problem and its ongoing remediation program, the Borrower will
     not experience a year 2000 Problem that will have a Material Adverse
     Effect; provided, however, that nothing contained herein shall be deemed to
     be a representation or warranty that the operations, hardware, software,
     embedded chips or other systems of third parties with whom the Borrower and
     its Subsidiaries interact will not cause a Year 2000 Problem that will have
     a Material Adverse Effect.

         (b) Affirmative Covenant. A new Section 6.15 is added to the Credit
Agreement to read in its entirety as follows:

         Section 6.15. Year 2000 Compliance. The Borrower shall, and shall
     cause its Subsidiaries to, take all reasonable actions necessary and
     foreseeable and commit sufficient resources to remediate any Year 2000
     Problem that could reasonably be expected to have a Material Adverse
     Effect.

         (c) Definition. A new definition is added to Annex A of the Credit
Agreement in correct alphabetical order to read in its entirety as follows:

         "Year 2000 Problem" shall mean any significant risk that computer
     hardware, software or equipment containing embedded microchips of the
     Borrower or any of its Subsidiaries 



                                       13
<PAGE>   13


     which is essential to its business operations will not, in the case of
     dates occurring after December 31, 1999, function at least as reliably as
     in the case of dates occurring before January 1, 2000, including the making
     of accurate leap year calculations, provided that all third party hardware,
     software, systems or equipment containing embedded microchips interacting
     with Borrower's or its Subsidiaries' computer hardware, software or
     equipment containing embedded microchips is also able to function in the
     same manner with respect to such dates and calculations.


         SECTION 12. AMENDMENT RELATING TO COMPLIANCE CERTIFICATE. Exhibit D to
the Credit Agreement is hereby amended by deleting it in its entirety and
replacing it with Exhibit D to Credit Agreement in the form attached hereto.

         SECTION 13. REPRESENTATIONS AND WARRANTIES. The Borrower hereby
represents and warrants to each Lender Party as follows:

         (a) Corporate Power and Authorization. Each Loan Party has corporate
power and authority to execute, deliver, perform and take all actions
contemplated by this Amendment and each Loan Document, as amended hereby
(collectively, the "Amended Loan Documents"), to which it is a party; and all
such action has been duly and validly authorized by all necessary corporate
proceedings on the part of each Loan Party.

         (b) Governmental Approvals and Filings. No approval, order, consent,
authorization, certificate, license, permit or validation of, or exemption or
other action by, or filing, recording or registration with, or notice or
declaration to any Governmental Authority is required in connection with the
execution and delivery of this Amendment.

         (c) Execution and Binding Effect. This Amendment has been duly and
validly executed and delivered by the Borrower and consented to by each other
Loan Party. This Amendment and the Amended Loan Documents to which each Loan
Party is a party, constitute legal, valid and binding obligations of such Loan
Party, enforceable in accordance with their respective terms, except as
enforceability of the foregoing may be limited by bankruptcy, insolvency or
other laws of general application relating to or affecting the enforcement of
creditors' rights or by general principles of equity limiting the availability
of equitable remedies.

         (d) Absence of Conflicts. Neither the execution and delivery of this
Amendment, nor consummation of the transactions contemplated by the Amended Loan
Documents, nor performance of or compliance with the terms and conditions hereof
or thereof, does or will (i) violate or conflict with any Law, or (ii) violate
or conflict with, or constitute a default under, or result in (or give rise to
any right, contingent or otherwise, of any Person to cause) any termination,
cancellation, prepayment or acceleration of performance of, or result in the
creation or imposition of (or give rise to any obligation, contingent or other,
to create or impose) any Lien upon any property of the Borrower or any
Subsidiary of the Borrower pursuant to, or otherwise result in (or give rise to
any right, contingent or other, of any Person to cause) any change in any right,
power, privilege, duty or obligation of the Borrower or any Subsidiary of the
Borrower under or in connection with, (A) the articles of incorporation or
by-laws (or other constitutional documents) of the Borrower or any Subsidiary of
the Borrower, or (B) any agreement or instrument to which the Borrower or any
Subsidiary of the Borrower is a party or by which any of them or any of their
respective properties may be subject or bound, except, in the case of the
foregoing clause (ii)(B), for matters that individually or in the aggregate, do
not have a Material Adverse Effect (including without limitation the
Cross-Default Excepted Indebtedness).

         (e) Representations and Warranties. The representations and warranties
contained in Article IV of the Credit Agreement, as amended hereby, and in the
other Amended Loan Documents are true on and as of the date hereof after giving
effect to this Amendment with the same effect as though such representations and
warranties had been made on and as of the date hereof.

         (f) Events of Default. No Event of Default and no Potential Default has
occurred and is continuing or exists under the Credit Agreement, as amended
hereby, or will occur and exist after giving effect to this Amendment.




                                       13
<PAGE>   14


         The foregoing representations and warranties shall have been deemed to
have been made under the Credit Agreement for purposes of Section 8.01(c) of the
Credit Agreement.

         SECTION 14. EFFECTIVENESS; CONDITIONS.

         (a) Effectiveness. This Amendment shall become effective on the date
(the "Effective Date") on which each of the conditions set forth in Section
14(b) have been satisfied or have been waived in writing by the Administrative
Agent and the Required Lenders. The Administrative Agent shall give the Borrower
and each Lender prompt written notice of the occurrence of the Effective Date.
Except to the extent expressly set forth herein, the execution, delivery and
effectiveness of this Amendment shall not operate as a waiver of any right power
or remedy under any such Loan Documents or constitute a waiver of any provision
of any such other Loan Documents.

         (i) References to Credit Agreement. From and after the Effective Date,
     each reference in the Loan Documents to the Credit Agreement shall mean a
     reference to the Credit Agreement, as amended hereby and as the same may be
     further amended, modified or supplemented from time to time. The Credit
     Agreement, as amended hereby, is and shall continue to be in full force and
     effect and is hereby in all respects ratified and confirmed.

         (ii) References to Swingline Notes. From and after the Effective Date,
     each reference in the Loan Documents to "Swingline Note," "Swingline
     Notes," "Notes" or "Note" shall mean and include a reference to each
     Swingline Note or the Swingline Notes, as the case may be, delivered
     pursuant to Section 14(b)(ii).

         (iii) References to Other Loan Documents. Except as expressly set
     forth herein, the Loan Documents (other than those amended or replaced by
     this Amendment) shall continue in full force and effect and are hereby in
     all respects ratified and confirmed.

         (iv) Cancellation of Existing Swingline Note. Promptly after the
     Effective Date, Mellon Bank, N.A., shall return its Swingline Note dated
     November 17, 1997, marked cancelled, to the Borrower.

         (b) Conditions. The occurrence of the Effective Date is subject to and
contingent upon the following conditions precedent:

         (i) Amendment. The Administrative Agent shall have received, with an
     executed counterpart for each Lender, this Amendment duly executed on
     behalf of the Borrower and consented to by each other Loan Party and the
     Required Lenders.

         (ii) Notes. The Administrative Agent shall have received Swingline
     Notes for each Swingline Lender, in the form of Exhibit A-2 to the Credit
     Agreement, as amended hereby, each duly executed on behalf of the Borrower.

         (iii) Corporate Proceedings. The Administrative Agent shall have
     received, with a copy for each Lender, certificates by the Secretary or
     Assistant Secretary of the Borrower, dated as of the date hereof,
     certifying as to (A) true copies of its articles of incorporation and
     bylaws (or a statement that no change has occurred to the same since
     November 17, 1997), (B) true copies of all corporate action taken by the
     Borrower relative to this Amendment and (C) the name, incumbency and
     signature of the respective officers of the Borrower executing this
     Amendment and the Swingline Notes.

         (iv) Representations and Warranties. On the Effective Date, the
     representations and warranties contained in Section 13 shall be true and
     correct with the same effect as though made on and as of such date.

         (v) Officers' Certificates. The Administrative Agent shall have
     received, with a copy for each Lender, a certificate dated the date hereof,
     signed by a Responsible Officer of the Borrower, as to such matters as the
     Administrative Agent may request, in form and substance satisfactory to the
     Administrative Agent.




                                       14
<PAGE>   15


         (vi) Legal Opinion. The Administrative Agent shall have received an
     opinion, dated the date hereof, of Buchanan Ingersoll Professional
     Corporation, counsel to the Borrower and its Subsidiaries, addressed to the
     Administrative Agent, the Collateral Agent and each Lender, as to (A) the
     matters set forth in Sections 13(a), 13(b), 13(c) and 13(d) and (B) such
     other matters as the Administrative Agent may request, in form and
     substance satisfactory to the Administrative Agent.

         (vii) Discharge of Existing Swingline Loans. On or prior to the date
     hereof, the Borrower shall have paid all of their respective obligations to
     pay principal, interest, fees and other amounts outstanding or otherwise
     payable in connection with all outstanding Swingline Loans, if any, under
     or in connection with the Credit Agreement.

         (viii) Fees, Expenses, etc. All fees and other compensation required
     to be paid to the Administrative Agent or the Lenders pursuant hereto or
     any other agreement on or prior to the date hereof shall have been paid or
     received.

         (ix) Additional Matters. All corporate and other proceedings, and all
     documents, instruments and other matters in connection with the
     transactions contemplated by this Amendment and the Amended Loan Documents,
     shall be satisfactory in form and substance to the Administrative Agent.
     The Administrative Agent shall have received such other documents,
     instruments and other items as the Administrative Agent may reasonably
     request.

         SECTION 15. MISCELLANEOUS.

         (a) Capitalized Terms. Capitalized terms used in this Amendment and not
otherwise defined shall have the meanings given in the Credit Agreement.

         (b) Notices. All notices, communications, agreements, certificates,
documents and other instruments executed and delivered after the execution and
delivery of this Amendment in connection with the Credit Agreement, any of the
other Loan Documents or the transactions contemplated thereby may refer to the
Credit Agreement and the Loan Documents without making specific reference to
this Amendment, but nevertheless all such references shall include this
Amendment unless the context requires otherwise.

         (c) Governing Law. This Amendment shall be governed by, construed and
enforced in accordance with the laws of such Commonwealth of Pennsylvania, with
regard to choice of law principles.

         (d) Survival. All representations, warranties, covenants and agreements
of each Loan Party contained herein or made in writing in connection herewith
shall survive the execution and delivery of this Amendment and the making of
Loans or the issuing of Letters of Credit under the Credit Agreement, as amended
hereby.

         (e) Counterparts. This Amendment may be executed in as many
counterparts as may be deemed necessary and convenient and by the separate
parties hereto on separate counterparts, each of which when so executed and
delivered shall be deemed to constitute an original, but all such separate
counterparts shall constitute but one and the same instrument.

         (f) Severability. If any provision of this Amendment, or the
application thereof to any party hereto, shall be held invalid or unenforceable,
such invalidity or unenforceability shall not affect any other provisions or
applications of this Amendment which can be given effect without the invalid and
unenforceable provision or application, and to this end the parties hereto agree
that the provisions of this Amendment are and shall be severable.


                                       15

<PAGE>   16



         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
executed by their respective officers thereunto duly authorized, as of the date
first above written.



KENNAMETAL INC.



By:    /s/ James E. Morrison
   ----------------------------------
Name:  James E. Morrison
Title: Vice President and Treasurer


MELLON BANK, N.A., individually and as Administrative Agent, Issuing Bank and
Swingline Lender



By:    /s/ Peter K. Lee
   ----------------------------------
Name:  Peter K. Lee
Title: Vice President



                                       16

<PAGE>   17



                                     LENDER
                           CONSENT AND ACKNOWLEDGMENT

         The undersigned, a "Lender" and, if applicable, a "Swingline Lender"
under that certain Credit Agreement, dated as of November 17, 1997, by and among
Kennametal Inc., a Pennsylvania corporation (the "Borrower"), the Lenders
parties thereto from time to time, and Mellon Bank, N.A., as Administrative
Agent (as amended by an Amendment to Transaction Documents, dated as of 
November 26, 1997, an Amendment to Transaction Documents, dated as of 
December 19, 1997, and an Amendment to Transaction Documents, dated as of 
March 19, 1998, the "Credit Agreement"), hereby (a) acknowledges receipt of a
counterpart of the Amendment to Transaction Documents, dated as of 
December 15, 1998, by and among the Borrower, the Lenders parties to the Credit
Agreement and Mellon Bank, N.A., as Administrative Agent (the "Amendment"), and
(b) pursuant to Section 10.03 of the Credit Agreement, consents to such
Amendment and directs the Administrative Agent to enter into it. Capitalized
terms used in this Consent and Acknowledgement but not defined herein shall have
the meanings given such terms in the Credit Agreement and the Amendment.


______________________________________, as Lender
[Type or print name of Lender ONLY IF Lender is NOT a Swingline Lender]



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


__________________________________________, as Lender and Swingline Lender [Type
or print name of Lender ONLY IF Lender is ALSO a Swingline Lender]



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



Date:
     ---------------


                                       17
<PAGE>   18



                              SUBSIDIARY GUARANTOR
                           CONSENT AND ACKNOWLEDGMENT

         The undersigned, a "Subsidiary Guarantor" under that certain Credit
Agreement, dated as of November 17, 1997, by and among Kennametal, Inc., a
Pennsylvania corporation (the "Borrower"), the Lenders parties thereto from time
to time, and Mellon Bank, N.A., as Administrative Agent (as amended by an
Amendment to Transaction Documents, dated as of November 26, 1997, an Amendment
to Transaction Documents, dated as of December 19, 1997, and an Amendment to
Transaction Documents, dated as of March 19, 1998, the "Credit Agreement"),
hereby (a) acknowledges receipt of a counterpart of the Amendment to Transaction
Documents, dated as of December 15, 1998, by and among the Borrower, the Lenders
parties to the Credit Agreement and Mellon Bank, N.A., as Administrative Agent
(the "Amendment"), (b) consents to the Amendment and agrees that all references
to the Credit Agreement in the Loan Documents shall mean the Credit Agreement,
as amended by the Amendment, and (c) agrees that its obligations under the Loan
Documents to which it is a party shall continue in full force and effect and
shall not in any way be discharged or relieved as a result of the Amendment.
Capitalized terms used in this Consent and Acknowledgment but not defined herein
shall have the meanings given such terms in the Credit Agreement and the
Amendment.


__________________________________________, as Subsidiary Guarantor
[Type or print name of Subsidiary Guarantor]



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



Date:
     ---------------



                                       18

<PAGE>   19



                                                                      Annex D to
                                                                Credit Agreement


                                SWINGLINE LENDERS
                           ON SWINGLINE EFFECTIVE DATE

                                                              Quoted Rate
Swingline Lender        Swingline Committed Amount     Swingline Lending Office
- ----------------        --------------------------     ------------------------

Mellon Bank, N.A.               $25,000,000             Domestic Lending Office




                                       19

<PAGE>   20



                                                                  Exhibit A-2 to
                                                                Credit Agreement



                                 KENNAMETAL INC.
                                 SWINGLINE NOTE

$200,000,000                                            Pittsburgh, Pennsylvania
                                                               December 15, 1998

         FOR VALUE RECEIVED, the undersigned, KENNAMETAL INC., a Pennsylvania
corporation (the "Borrower"), promises to pay to the order of [name of Swingline
Lender] (a "Swingline Lender"), for the account of its Applicable Lending
Office, (i) on the last day of the applicable Funding Period (as defined in the
Credit Agreement referred to below), the aggregate unpaid principal amount of
each Swingline Loan (as defined in the Credit Agreement) from time to time made
by such Swingline Lender to the Borrower pursuant to the Credit Agreement (as
defined below) and (ii) on or before the Business Day immediately preceding the
Revolving Credit Maturity Date (as defined in the Credit Agreement), and at such
earlier dates as may be required by the Credit Agreement, the lesser of (A) the
principal sum of TWO HUNDRED MILLION DOLLARS ($200,000,000) and (B) the
aggregate unpaid principal amount of all Swingline Loans made from time to time
by such Swingline Lender to the Borrower pursuant to the Credit Agreement. The
Borrower further promises to pay to the order of such Swingline Lender, for the
account of its Applicable Lending Office, interest on the unpaid principal
amount hereof from time to time outstanding at the rate or rates per annum
determined pursuant to, or otherwise provided in, the Credit Agreement, payable
on the dates, and at the times, set forth in the Credit Agreement.

         This Note is one of the "Swingline Notes" referred to in, and is
entitled to the benefits of, the Credit Agreement, dated as of November 17,
1997, by and among Kennametal Inc., as Borrower, the Lenders parties thereto
from time to time, and Mellon Bank, N.A., as Administrative Agent (as the same
may be amended, modified or supplemented from time to time, the "Credit
Agreement"), which among other things provides for the acceleration of the
maturity hereof upon the occurrence of certain events and for prepayments in
certain circumstances and upon certain terms and conditions. Terms defined in
the Credit Agreement have the same meanings herein.

         This Note is secured by, and is entitled to the benefits of, the Shared
Security Documents referred to in the Credit Agreement.

         The Borrower hereby expressly waives presentment, demand, protest and,
all other demands and notices in connection with the delivery, acceptance,
performance, default or enforcement of this Note and the Credit Agreement, and
an action for amounts due hereunder or thereunder shall immediately accrue, in
each case except as otherwise expressly provided in the Credit Agreement.

         This Note shall be governed by, and construed and enforced in
accordance with, the laws of the Commonwealth of Pennsylvania, without regard to
principles of choice of law.

KENNAMETAL INC.

By:
Name:
Title:




                                       20

<PAGE>   21



                                                                    Exhibit D to
                                                                Credit Agreement


                                 KENNAMETAL INC.
                             COMPLIANCE CERTIFICATE

         Pursuant to the Credit Agreement, dated as of November 17, 1997, by and
among Kennametal Inc., as Borrower, the Lenders parties thereto from time to
time, and Mellon Bank, N.A., as Administrative Agent (as the same may be
amended, modified or supplemented from time to time, the "Credit Agreement"),
the undersigned, being a Responsible Officer of the Borrower, hereby certifies
on behalf of the Borrower as follows:

         1. Delivered herewith are the financial statements prepared pursuant to
Section 6.01(a) or 6.01(b), as the case may be, of the Credit Agreement, for the
fiscal [quarter/year] ended __________, 19__. Such financial statements comply
with the applicable requirements of the Credit Agreement.

         2. Schedule I hereto sets forth in reasonable detail the information
and calculations necessary to establish compliance with the provisions of
Section[s] 7.01 [2.07(b), 7.02(a), 7.02(b), 7.02(e), 7.02(f) and 7.02(h)(1)] of
the Credit Agreement as of the end of the fiscal period referred to in paragraph
1 above.

         3.  (Check one and only one:)

         ____ No change in the "Status Level" of the Borrower has occurred since
the last day of the fiscal quarter immediately preceding the fiscal quarter
referred to in paragraph 1 above. The "Status Level" is currently
____________________ as of the last day of the fiscal quarter referred to in
paragraph 1 above.

         ____ A change in the "Status Level" of the Borrower has occurred since
the last day of the fiscal quarter immediately preceding the fiscal quarter
referred to in paragraph 1 above. The Status Level is ____________________ as of
the last day of the fiscal quarter referred to in paragraph 1 above. Schedule II
hereto sets forth in reasonable detail the information and calculations
necessary to compute which of the financial tests set forth in the definition of
"Status Level" the Borrower satisfies as of the last day of the fiscal quarter
referred to in paragraph 1 above.

         4.  (Check one and only one:)

                  ____ No Event of Default or Potential Default has occurred 
and is continuing or exists.

                  ____ An Event of Default or Potential Default has occurred and
is continuing or exists, and Schedule III specifies in detail the nature and
period of existence of such Event of Default as well as any and all actions with
respect thereto taken or contemplated to be taken by the Borrower.

         5. Schedule IV hereto identifies (a) any Subsidiary of the Borrower
which is not already a Subsidiary Guarantor and which is required to become a
Subsidiary Guarantor pursuant to Section 6.13(a) of the Credit Agreement, and
(b) any Subsidiary of the Borrower, the capital stock or other equity interests
of which have not already been pledged pursuant to the Borrower Pledge Agreement
or a Subsidiary Pledge Agreement, and the capital stock or other equity
interests of which are required to be so pledged pursuant to Section 6.13(b) of
the Credit Agreement.



(1) To be included only in compliance certificate delivered with respect to 
    fiscal year.



                                       21
<PAGE>   22





         6. The undersigned has personally reviewed the Credit Agreement, and
this certificate was based on an examination made by or under the supervision of
the undersigned sufficient to assure that this certificate is accurate.
Capitalized terms used in this certificate and not otherwise defined shall have
the meanings given in the Credit Agreement.

KENNAMETAL INC.



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




                                       22

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the December
31, 1998 Condensed Consolidated Financial Statements (unaudited) and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUN-30-1999
<PERIOD-START>                             JUL-01-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                          29,311
<SECURITIES>                                         0
<RECEIVABLES>                                  347,170
<ALLOWANCES>                                    13,935
<INVENTORY>                                    465,154
<CURRENT-ASSETS>                               859,804
<PP&E>                                         993,966
<DEPRECIATION>                                 436,293
<TOTAL-ASSETS>                               2,186,836
<CURRENT-LIABILITIES>                          402,495
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        41,025
<OTHER-SE>                                     707,854
<TOTAL-LIABILITY-AND-EQUITY>                 2,186,836
<SALES>                                        965,240
<TOTAL-REVENUES>                               965,240
<CGS>                                          605,162
<TOTAL-COSTS>                                  605,162
<OTHER-EXPENSES>                                23,476
<LOSS-PROVISION>                                 2,129
<INTEREST-EXPENSE>                              35,256
<INCOME-PRETAX>                                 42,504
<INCOME-TAX>                                    18,100
<INCOME-CONTINUING>                             21,430
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    21,430
<EPS-PRIMARY>                                      .72
<EPS-DILUTED>                                      .72
        

</TABLE>


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