Document:

<PAGE>   1

                                                                   EXHIBIT 10.22

                                   AXCESS INC.
                              3208 Commander Drive
                             Carrollton, Texas 75006

incuVest, LLC                                                     March 29, 2000
590 Madison Avenue
32nd Floor
New York, New York  10022

         Re:      Series 2000 Preferred Stock Purchase Agreement

Ladies and Gentlemen:

         incuVest, LLC, a Delaware limited liability company (the "Purchaser"),
has committed to provide up to $5,000,000 of equity financing to AXCESS Inc., a
Delaware corporation (the "Company"), in connection with the Company's 2000 plan
of operations and to maintain the Company's compliance with the net tangible
asset requirement of the Nasdaq listing requirements (the "Commitment"). This
Agreement sets forth the terms and conditions on which the Company will issue
and sell to the Purchaser shares of Series 2000 Non-Voting Preferred Stock of
the Company, par value $0.01 per share ("Series 2000 Preferred Stock"), for an
aggregate purchase price of up to $5,000,000, payable as provided herein.

         1. Advances; Purchase Price; Effectiveness. The Purchaser hereby agrees
to subscribe for and purchase from the Company, and the Company hereby agrees to
issue and sell to the Purchaser, up to $5,000,000 of Series 2000 Preferred
Stock. The purchase price for each share of Series 2000 Preferred Stock shall be
$10,000, payable in cash. The purchase and sale of the Series 2000 Preferred
Stock hereunder shall be effective as of the date the Company receives the
purchase price for each share of Series 2000 Preferred Stock from the Purchaser
(the "Effective Date").

         2. Purchase and Delivery of Shares. Upon its receipt of the purchase
price for each share of Series 2000 Preferred Stock, the Company shall issue and
sell to the Purchaser the number of shares of Series 2000 Preferred Stock (the
"Shares"), the stated value of which shall be $10,000 per share (the "Original
Series 2000 Issue Price"). On and as of the Effective Date, the Company shall
execute and deliver to the Purchaser a stock certificate in proper form
representing the Shares.

         3. Conversion of Series 2000 Preferred Stock to Non-Voting Common
Stock. The Purchaser hereby agrees that it shall not, without the prior written
consent of the Company, convert any Shares to shares of the Company's non-voting
common stock, $0.01 par value per share (the "Non-Voting Common Stock") issuable
to the Purchaser upon its conversion of any Shares until the Company receives
stockholder approval to issue more than twenty percent (20%) of the Company's
outstanding voting or non-voting common stock, as the case may be, at a per
share price potentially less than the per share market price of the Company's
voting common stock on the date of issuance to holders of the Shares. The
Company hereby agrees to submit such a proposal to its stockholders for approval
at the Company's 2000 annual meeting of stockholders. The Board of Directors of
the Company will recommend that the Company's stockholders vote in favor of such
proposal and the Company will otherwise use its best efforts to obtain
stockholder approval of such proposal. The Company's 2000 annual meeting of
stockholders will be held not later than June 30, 2000.

<PAGE>   2

AXCESS Inc.
March 29, 2000
Page 2

         4. Securities Act Legend; Registration Rights.

                  4.1 The Shares will not be registered under the Securities Act
of 1933, as amended (the "Securities Act"). Certificates representing the Shares
shall bear a restrictive legend substantially to the effect of the following:

         THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE
         SECURITIES ACT OF 1933, OR APPLICABLE STATE SECURITIES LAWS, OR THE
         SECURITIES LAWS OF ANY OTHER JURISDICTION. THEY MAY NOT BE SOLD OR
         TRANSFERRED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT UNDER
         THOSE SECURITIES LAWS OR PURSUANT TO AN EXEMPTION THEREFROM. ADDITIONAL
         RESTRICTIONS REGARDING THE TERMS UNDER WHICH THE SHARES REPRESENTED BY
         THIS CERTIFICATE MAY BE CONVERTED INTO NON-VOTING COMMON STOCK OF THE
         COMPANY ARE SET FORTH IN THE CERTIFICATE OF DESIGNATIONS, PREFERENCES,
         POWERS AND RIGHTS OF THE SERIES 2000 NON-VOTING PREFERRED STOCK.

         5. Representations and Warranties by the Company. The Company hereby
represents and warrants to the Purchaser as follows:

                  5.1 The Company is a corporation duly organized, validly
existing and in good standing under the laws of the State of Delaware, and has
the corporate power and authority to execute and deliver this Agreement, to
issue the Shares on the basis described herein and otherwise to perform its
obligations under this Agreement.

                  5.2 The execution and delivery by the Company of this
Agreement, the issuance of the Shares, and the performance by the Company of its
obligations hereunder, have been duly authorized by all requisite corporate
action on the part of the Company and will not (i) violate any provision of law,
statute, rule or regulation or any order of any court or other agency of
government, (ii) conflict with or violate the Certificate of Incorporation
(after amendment to authorize the additional shares of non-voting common stock)
or By-Laws of the Company, in each case as amended, or (iii) violate, conflict
with or constitute (with due notice or lapse of time or both) a default under
any indenture, mortgage, lease, license, agreement or other contract or
instrument or result in the creation or imposition of any lien, charge or
encumbrance of any nature upon the properties or assets of the Company or any of
its subsidiaries, in each case if such violation, conflict, default, lien,
charge or encumbrance would have a material adverse effect on the Company.

                  5.3 This Agreement has been duly executed and delivered by the
Company and constitutes the valid and legally binding obligation of the Company,
enforceable in accordance with its terms, except to the extent the
enforceability hereof may be limited by applicable bankruptcy, moratorium or
similar laws affecting the rights of creditors generally.

<PAGE>   3

AXCESS Inc.
March 29, 2000
Page 3

                  5.4 Based in part upon the representations and warranties of
the Purchaser contained in this Agreement, no registration or filing with, or
consent or approval of, or other action by, any federal, state or other
governmental department, commission, board, bureau, agency or instrumentality or
any third party is or will be necessary for the execution and delivery of this
Agreement by the Company and the issuance of the Shares hereunder, other than
the filing of a notice of sale on Form D with the Securities and Exchange
Commission and any other required jurisdictions in accordance with the rules and
regulations thereof under the Securities Act and applicable state law.

                  5.5 The Shares are duly authorized, validly issued, fully paid
and non-assessable shares of Series 2000 Preferred Stock, and are not subject to
any preemptive rights.

                  5.6 Attached hereto as Exhibit A is a true copy of the
Certificate of Designations, Preferences, Powers and Rights of Series 2000
Non-Voting Preferred Stock, as filed with the Secretary of State of the State of
Delaware on December 29, 1999 (the "Series 2000 Certificate of Designations").
The Board of Directors of the Company approved and adopted resolutions creating
the Series 2000 Preferred Stock and directing the proper officers of the Company
to file the same with the office of the Secretary of State of the State of
Delaware, in accordance with the applicable provisions of the Delaware General
Corporation Law.

         6. Representations and Warranties of the Purchaser. The Purchaser
hereby represents and warrants to the Company as follows:

                  6.1 The Purchaser is acquiring the Shares for its own account,
for investment and not with a view to the distribution thereof within the
meaning of the Securities Act.

                  6.2 The Purchaser understands that the Shares have not been
registered under the Securities Act, by reason of their issuance by the Company
in transactions exempt from the registration requirements of the Securities Act,
and that the Shares must be held by the Purchaser indefinitely unless a
subsequent disposition thereof is registered under the Securities Act or is
exempt from such registration.

                  6.3 The Purchaser further understands that the exemption from
registration afforded by Rule 144 (the provisions of which are known to it)
promulgated under the Securities Act depends on the satisfaction of various
conditions, and that, if applicable, Rule 144 may afford the basis for sales
only in limited amounts, after compliance with the holding periods and other
provisions thereof.

                  6.4 The Purchaser understands that its investment hereunder
involves substantial risks and represents and warrants that it has made such
independent examinations and investigations of the Company as it has deemed
necessary in making its investment decision, and the Purchaser further
represents and warrants that it has had sufficient access to the officers,
directors, books and records of the Company as it has deemed necessary to
conduct such examination and investigation and make such investment decision.

                  6.5 The Purchaser is able to bear the economic risk of the
investment contemplated by this Agreement and has such knowledge and experience
in financial and business matters that it is capable of evaluating the merits
and risks of the investment contemplated by this Agreement.

         7. Reaffirmation of Representations and Warranties. The date Shares are
purchased shall constitute a reaffirmation of each and every one of the
representations and warranties of the Company set forth in Section 5 of this
Agreement and those of the Purchaser set forth in Section 6 of this Agreement as
if made as of each

<PAGE>   4

AXCESS Inc.
March 29, 2000
Page 4

Effective Date, unless otherwise restated or corrected by either the Purchaser
or the Company, as the case may be.

         8. Miscellaneous.

                  8.1 This Agreement constitutes our entire agreement with
respect to the subject matter hereof. This Agreement may not be modified or
amended or any provision hereof waived except by an instrument in writing signed
by the Company and the Purchaser.

                  8.2 This Agreement shall be binding upon and inure to the
benefit of the parties hereto and their respective successors and permitted
assigns. The rights of the Purchaser hereunder shall be assignable to any holder
of the Shares. Except as provided in the immediately preceding sentence, this
Agreement and the rights of the Purchaser hereunder shall not be assignable, and
any purported assignment hereof or thereof shall be void.

                  8.3 This Agreement may be executed in any number of
counterparts and on separate counterparts, each of which shall be an original
instrument, but all of which together shall constitute a single agreement. One
or more signature pages from any counterpart of this Agreement may be attached
to any other counterpart of this Agreement without in any way changing the
effect thereof. This Agreement shall be effective when executed and delivered by
the Company and the Purchaser.

                  8.4 All notices, requests, demands, consents, waivers, or
other communications made hereunder to any party or holder of Shares shall be in
writing and shall be deemed to have been duly given if delivered personally or
sent by nationally-recognized overnight courier, facsimile or by first class
registered or certified mail, return receipt requested, postage prepaid,
addressed to such party at the address set forth below:

                  if to the Company, to:

                  AXCESS Inc.
                  3208 Commander Drive
                  Carrollton, TX  75006
                  Attention: Chief Financial Officer

                  with a copy to:

                  Haynes and Boone, LLP
                  901 Main Street, Suite 3100
                  Dallas, TX  75202-3789
                  Attention: William Kleinman.; and

                  if to the Purchaser, to the Purchaser at its address
                  first set forth above,

or to such other address as the party to whom such communication is to be given
may have furnished to the other party in writing in accordance herewith. All
such notices, requests, demands, consents, waivers or other communications shall
be deemed to have been delivered (i) in the case of personal delivery, on the
date of delivery, (ii) if sent by facsimile, on the date sender receives a
confirmation confirming receipt, (iii) if sent by overnight

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AXCESS Inc.
March 29, 2000
Page 5

courier, on the next business day following the date sent and (iv) in the case
of mailing, on the third business day following such mailing.

                  8.5 All representations, warranties and agreements contained
herein shall survive the execution and delivery of this Agreement and the sale
of the Shares hereunder.

                  8.6 This Agreement, and all rights, obligations and
liabilities hereunder, shall be construed according to the laws of the State of
New York applicable to contracts made and to be performed wholly therein. Any
judicial proceeding brought against the Company to enforce, or otherwise in
connection with, this Agreement may be brought in any court of competent
jurisdiction in the City of New York, and, by execution and delivery of this
Agreement, the Company (i) accepts, generally and unconditionally, the
nonexclusive jurisdiction of such courts and any related appellate court and
irrevocably agrees to be bound by any final judgment rendered thereby in
connection with this Agreement and (ii) irrevocably waives any objection it may
now or hereafter have as to the venue of any such proceeding brought in such a
court or that such a court is an inconvenient forum.

                  8.7 For purposes of Section 4.(c)(ii) of the Series 2000
Certificate of Designations, the Purchaser is deemed to be an affiliate of
Amphion Ventures L.P.

                  8.8 For so long as the Purchaser owns at least 500 shares of
Series 2000 Preferred Stock (or an equivalent amount of any other securities of
the Company into which the Series 2000 Preferred Stock has been converted), the
Company agrees to include Purchaser's nominee in management's slate of nominees
for the Company's Board of Directors and to solicit proxies in favor of the
election of Purchaser's nominee in connection with any annual or special meeting
of the Company's stockholders (commencing with the election of the Purchaser's
nominee at the Company's 2000 annual meeting of stockholders). The Company will
not support the removal of the Purchaser's nominee to the Board of Directors of
the Company, other than in the event of bad faith or willful misconduct or
unless such removal is requested by the Purchaser's nominee.

                  8.9 The Purchaser shall be entitled to the same registration
rights with respect to the Shares as Amphion Ventures L.P. is entitled in that
certain Registration Rights Agreement, dated September 30, 1999, by and between
the Company and Amphion Ventures L.P.

                           *Intentionally Left Blank*

<PAGE>   6

AXCESS Inc.
March 29, 2000
Page 6

         If the foregoing correctly sets forth your understanding of our
agreement, please so indicate by signing and returning to the Company the
enclosed counterpart of this Agreement.

                       Very truly yours,

                       AXCESS INC.

                       By: /s/ JAMES R. CRAIG
                          -------------------
                          James R. Craig, Chief Financial Officer and Secretary

The undersigned agrees with and
accepts the foregoing terms and provisions
as of the date first above written.

INCUVEST, LLC

By: /s/ RICHARD C.E. MORGAN
    -----------------------
    Richard C.E. Morgan
    Chief Executive Officer<PAGE>   1
                                                                    EXHIBIT 10.3

                      SECOND AMENDMENT TO CREDIT AGREEMENT

     THIS SECOND AMENDMENT TO CREDIT AGREEMENT dated as of September 8, 1999
(the "Second Amendment") is made by and among CHASE INDUSTRIES INC. (formerly,
"Chase Brass Industries, Inc."), a Delaware corporation (the "Borrower"), the
Guarantors and the Banks referred to in the Credit Agreement (as defined below)
and PNC BANK, NATIONAL ASSOCIATION, a national banking association, as agent for
the Banks under the Credit Agreement (the "Agent").

                                   WITNESSETH:

     WHEREAS, the Borrower, the Guarantors, the Banks and the Agent are parties
to that certain Credit Agreement dated as of August 30, 1996, as amended (as
hereafter amended, the "Credit Agreement");

     WHEREAS, the parties to the Credit Agreement desire to amend the provisions
thereof as set forth herein;

     WHEREAS, capitalized terms used herein and not otherwise defined herein and
defined in the Credit Agreement shall have meanings assigned to them in the
Credit Agreement.

     NOW, THEREFORE, the parties hereto, in consideration of their mutual
covenants and agreements hereinafter set forth and intending to be legally bound
hereby, covenant and agree as follows:

1.   Amendments to Credit Agreement Deleting the Borrowing Base Requirement.

     The Borrowing Base requirements in the Credit Agreement are hereby deleted
therefrom. The parties make the following amendments to remove such
requirements:

     A. Defined Terms (Section 1.1).

        The following defined terms are hereby deleted from Section 1.1 of the
Credit Agreement

        Account Debtor
        Borrowing Base
        Borrowing Base Certificate
        Inventory
        Qualified Accounts
        Qualified CBCC Inventory
        Qualified Inventory
        Qualified Leavitt Inventory

<PAGE>   2

     B. Revolving Credit Commitments and Swing Loans (Section 2.1).

        Section 2.1 is hereby amended and restated to read as follows:

        "2.1 Revolving Credit Loans and Swing Loans.

             (a) Revolving Credit Commitments.

                 Subject to the terms and conditions hereof and relying
        upon the representations and warranties herein set forth, each Bank
        severally agrees to make Revolving Credit Loans to the Borrower at
        any time or from time to time on or after the date hereof to, but
        not including, the Expiration Date in an aggregate principal amount
        not to exceed at any one time outstanding to the Borrower such
        Bank's Revolving Credit Commitment less such Bank's Revolving
        Credit Ratable Share of the Letter of Credit Outstandings and
        provided that the Revolving Facility Usage may never exceed the
        Revolving Credit Commitments.

             (b) Swing Loans.

                 Subject to the terms and conditions hereof and relying
        upon the representations and warranties herein set forth, and in
        order to facilitate Revolving Credit Loans and repayments between
        Settlement Dates in aggregate amounts of $5,000,000 or less, PNC
        shall make Swing Loans (the "Swing Loans") to the Borrower at any
        time or from time to time after the date hereof to, but not
        including, the Expiration Date in an aggregate principal amount up
        to but not in excess of the Swing Loan Maximum, subject to Section
        7 and to the following provisions. As of each Settlement Date so
        long as the Borrower has the right to borrow under this Section
        2.1(b), a portion of PNC's Revolving Credit Loans to the Borrower
        equal to the lesser of $5,000,000 or the aggregate amount of PNC's
        Revolving Credit Loans shall be designated by PNC as Swing Loans.
        PNC shall make Swing Loans between Settlement Dates, provided that
        the aggregate amount of all Swing Loans shall not exceed the Swing
        Loan Maximum (which permits the aggregate principal amount of PNC's
        Swing Loans and PNC's Revolving Credit Loans to exceed PNC's
        Revolving Credit Ratable Share of the Revolving Credit Loans
        (including any Revolving Credit Loans designated by PNC as Swing
        Loans) by up to $5,000,000)Within such limits of time and amount
        and subject to the provisions of this Agreement, the Borrower may
        borrow, repay and reborrow pursuant to this Section 2.1(b).

     C. Issuance of Letters of Credit (Section 2.10).

        Clause (c) of the first sentence of Section 2.10 (Issuance of Letters
of Credit) is hereby amended and restated to read as follows:

                                       -2-
<PAGE>   3

               "(c) the amount of the Revolving Facility Usage does not
        exceed the Revolving Credit Commitments at such time."

     D. Mandatory Prepayments (Sections 5.7(a) and (b)).

        Sections 5.7(a) (Mandatory Prepayments--Borrowing Base Exceeded) and
5.7(b) (Mandatory Prepayments--Excess Cash Flow) are hereby deleted.

     E. Reporting Requirements - Monthly Borrowing Base Certificate.

        Clause (i) of Section 8.3(d)(Monthly Reporting--Borrowing Base
Certificate) is hereby deleted.

     F. Schedules of Qualified Accounts and Qualified Inventory.

        The following schedules to the Credit Agreement are hereby deleted:

<TABLE>

<S>                                  <C>
        Schedule 1.1(Q)(1)     -     Qualified Accounts
        Schedule 1.1(Q)(2)     -     Qualified Inventory
</TABLE>

2.   Amendments to Credit Agreement and other provisions to increase the
     Commitments.

     A. Amendment to Schedule 1.1(B) - Commitments of the Banks.

        Schedule 1.1(B) is hereby amended and restated to read as set forth on
Schedule 1.1(B) hereto. The Borrower, the Agent and the Banks hereby (i) approve
of the increase in the Revolving Credit Commitments as set forth on such
Schedule 1.1(B) (i.e. from $40,000,000 to $50,000,000), and (ii) consent to and
approve of the addition of Fifth Third Bank, Northwestern Ohio, N.A. ("Fifth
Third") as a Bank under the Credit Agreement with a Revolving Credit Commitment
of $10,000,000 and a Term Loan Commitment of $0 as set forth on such Schedule
1.1(B).

     B. Joinder of Fifth Third.

        Fifth Third, by signing this Second Amendment agrees that it joins the
Credit Agreement and each of the other Loan Documents as a Bank thereunder with
a Revolving Credit Commitment as set forth on Schedule 1.1(B) attached hereto
and with no Term Loan Commitment. Fifth Third assumes all of the rights and
obligations of a Bank under the Loan Documents and agrees to perform, comply
with and be bound by each of the provisions of the Credit Agreement which are
stated to apply to a Bank and shall be entitled to the benefits, rights and
remedies set forth therein. Fifth Third hereby acknowledges that it has
heretofore received a true and correct copy of the Credit Agreement and the
other Loan Documents and the executed original of its Revolving Credit Note
issued by Borrower under the Agreement in the face amount of its Revolving
Credit Commitment. The address for notices to Fifth Third is set forth on
Schedule 1.1(B).

                                       -3-
<PAGE>   4

     C. Participation in Letters of Credit; Repayment of Loans and Reborrowing.

        (a) Participation in Letters of Credit.

            On the Effective Date (as hereafter defined) of this Second
Amendment, Fifth Third hereby participates in each outstanding Letter of Credit
in accordance with its Revolving Credit Ratable Share as more fully described in
Section 2.10 of the Credit Agreement.

        (b) Repayment and Reborrowing of Revolving Credit Loans.

            On the Effective Date (as hereafter defined) of this Second
Amendment, the Borrower shall repay all outstanding Revolving Credit Loans and
may reborrow Revolving Credit Loans on the same date. The Banks will not require
the Borrower to indemnify the Banks for repaying any Revolving Credit Loans
under the Euro-Rate Option before the expiration of the applicable Interest
Period (commonly referred to as "breakage") pursuant to Section 5.5(b)
(Indemnity) of the Credit Agreement. Fifth Third and each of the other Banks
shall make Loans requested by the Borrower on the Effective Date (as hereafter
defined) in accordance with their Revolving Credit Ratable Share after giving
effect to the joinder by Fifth Third pursuant to this Second Amendment.

     D. Technical Fixes to the Credit Agreement to Reflect that the Ratable
Shares of the Banks in the Revolving Credit Loans Will Not Equal the Ratable
Shares of the Banks in the Term Loans After Fifth Third Joins the Credit
Agreement.

        (a) Defined Terms (Section 1.1).

            (i) Amended Terms.

                The following defined terms are hereby amended and restated to
read as set forth below:

                "Aggregate Ratable Share shall mean the proportion that a
         Bank's Commitment bears to the Commitments of all the Banks.

                Required Banks shall mean Banks whose Commitments aggregate at
         least 66 2/3% of the Commitments of all of the Banks.

                Swing Loan Maximum shall mean the commitment of PNC to make
         Swing Loans to the Borrower at Borrower's request pursuant to Section
         2.1(b) hereof in an aggregate principal amount of up to but not in
         excess of $5,000,000 at any one time outstanding, provided that in no
         event shall the sum of all Swing Loans and Revolving Credit Loans made
         by PNC exceed PNC's Revolving Credit Ratable Share of the Revolving
         Credit Loans (including any Revolving Credit Loans designated by PNC as
         Swing Loans) by more than $5,000,000

                                       -4-
<PAGE>   5

                Term Loan Commitment shall mean, as to any Bank at any time,
         the amount of Term Loans outstanding, and Term Loan Commitments shall
         mean the aggregate Term Loans of all of the Banks."

           (ii) New Terms.

                The following defined new terms are hereby added in
alphabetical order to Section 1.1 of the Credit Agreement:

                "Revolving Credit Ratable Share shall mean the proportion that
          a Bank's Revolving Credit Commitment bears to the Revolving Credit
          Commitments of all the Banks.

                Term Loan Ratable Share shall mean the proportion that a
          Bank's Term Loan Commitment bears to the Term Loan Commitments of all
          the Banks."

          (b) References to Ratable Share.

              The term "Revolving Credit Ratable Share" shall be inserted in
lieu of the term "Ratable Share" in each of the following instances in which the
term "Ratable Share" appears in the Credit Agreement:

<TABLE>
<CAPTION>
              Section       Title of Section                               Place Where Term is Used
              -------       ----------------                               ------------------------
<S>           <C>           <C>                                             <C>
              2.1(a)        Revolving Credit Commitments                    First Sentence

              2.1(b)        Swing Loans                                     Second Sentence

              2.2           Nature of Banks' Obligations with               First and Second Sentences
                            Respect to Revolving Credit Loans

              2.9           Borrowings to Repay Swing Loans.                Second Sentence

              2.11          Participation Interest in Letters of Credit     First Sentence

              5.6           Settlement Date Procedures                      Everywhere where used--
                                                                            numerous sentences
</TABLE>

              The term "Aggregate Ratable Share" shall be inserted in lieu of
the term "Ratable Share" in each of the following instances in which the term
"Ratable Share" appears in the Credit Agreement:

                                       -5-
<PAGE>   6

<TABLE>
<CAPTION>

            Section                     Title of Section                 Place Where Term is Used
            -------                     ----------------                 ------------------------
<S>                           <C>                                        <C>
            10.7              Reimbursement and Indemnification          First and Second Sentences
                              of Agent by Banks.
</TABLE>

          (c) Letter of Credit Fees (Section 2.15).

              The first sentence of Section 2.15 (Fees with Respect to Letters
of Credit) is hereby amended and restated to read as follows:

              "The Borrower agrees to pay to the Agent for the accounts of the
          Banks, allocated according to their Revolving Credit Ratable Shares, a
          fee for Letters of Credit from time to time outstanding, computed on
          the average daily amount of Letters of Credit Outstandings at the rate
          per annum equal to the Revolving Credit Euro-Rate Spread (computed on
          the basis of a year of 365 or 366 days, as the case may be, and actual
          days lapsed)."

          (d) Term Loans (Section 3).

              Sections 3.1 and 3.2 of the Credit Agreement are hereby amended
and restated to read as follows:

              "3.1 Term Loan Commitments.

                   The Banks made term loans (the "Term Loans")to the Borrower
          on the Closing Date.

               3.2 Nature of Banks' Obligations with Respect to Term Loans.

                   The Banks have no obligation to make and the Borrower shall
          have no right to borrow any additional Term Loans. "

               The first sentence of Section 3.3 (Term Loan Notes)is hereby
amended and restated to read as follows:

               "The Obligation of the Borrower to repay the unpaid principal
               amount of the Term Loans made to it by each Bank, together
               with interest thereon, shall be evidenced by a Term Note dated
               the Closing Date payable to the order of each Bank in a face
               amount equal to initial principal amount of the Term Loan of
               such Bank."

          (e) Payments (Section 5).

              Sections 5.1 and 5.2 are hereby amended and restated to read as
follows:

                                       -6-

<PAGE>   7

              "5.1 Payments.

                   All payments and prepayments to be made in respect of
          principal, interest, Commitment Fees, Agent's Fees, fees and
          commissions with respect to Letters of Credit or other amounts due
          from the Borrower hereunder shall be payable prior to 12:00 noon
          Pittsburgh time on the date when due without presentment, demand,
          protest or notice of any kind, all of which are hereby expressly
          waived by the Borrower, and without setoff, counterclaim or other
          deduction of any nature, and an action therefor shall immediately
          accrue. Such payments shall be made to the Agent at the Principal
          Office for the account of PNC with respect to the Swing Loans and for
          the accounts of the Banks with respect to the Revolving Credit Loans
          and the Term Loans allocated according to the amount of such Loans
          held by the Banks in U.S. Dollars and in immediately available funds,
          and the Agent shall promptly distribute such amounts to the Banks in
          immediately available funds, provided that in the event payments are
          received by 12:00 noon Pittsburgh time by the Agent with respect to
          the Loans and such payments are not distributed to the Banks on the
          same day received by the Agent, the Agent shall pay the Banks the
          Federal Funds Effective Rate during the first five (5) calendar days
          and the Federal Funds Effective Rate plus two percent (2%) thereafter
          with respect to the amount of such payments for each day held by the
          Agent and not distributed to the Banks. The Agent's and each Bank's
          statement of account, ledger or other relevant record shall, in the
          absence of manifest error, be conclusive as the statement of the
          amount of principal of and interest on the Loans and other amounts
          owing under this Agreement and shall be deemed an "account stated."

               5.2 Pro Rata Treatment of Banks.

                   Each borrowing, and each selection of, conversion to or
          renewal of any Interest Rate Option, and each payment or prepayment by
          the Borrower with respect to principal and interest on the Revolving
          Credit Loans and the Commitment Fees and the fees and commissions with
          respect to Letters of Credit or other amounts due from the Borrower
          hereunder to the Banks with respect to Revolving Credit Loans shall
          (except as provided in Section 4.4(b), 5.4(b) or 5.5(a) hereof) be
          made in proportion to the amount of such Revolving Credit Loans
          outstanding from each Bank and, if no such Revolving Credit Loans are
          then outstanding, in proportion to the Revolving Credit Ratable Share
          of each Bank. Each borrowing, and each selection of, conversion to or
          renewal of any Interest Rate Option, and each payment or prepayment by
          the Borrower with respect to principal and interest on the Term Loans
          or other amounts due from the Borrower hereunder to the Banks with
          respect to Term Loans shall (except as provided in Section 4.4(b),
          5.4(b) or 5.5(a) hereof) be made in proportion to the amount of such
          Term

                                       -7-
<PAGE>   8

          Loans outstanding from each Bank and, if no such Term Loans are then
          outstanding, in proportion to the Term Loan Ratable Share of each
          Bank.

3.   Amendments to Credit Agreement Updating Representations and Warranties.

     A. Capitalization and Ownership (Section 6.1(b)).

        Section 6.1(b) is hereby amended and restated to read as set forth
 below:

                (b) Capitalization and Ownership.

                    The authorized capital stock of Borrower consists of
        36,310,000 shares of Voting Common Stock, which are issued, outstanding
        and owned as indicated on Schedule 6.1(b) hereto, 12,300,000 shares of
        Nonvoting Common Stock, 6,150,118 of which are issued and outstanding
        and 1,000,000 shares of preferred stock (collectively "Borrower
        Shares"), none of which are issued and outstanding. There are no
        options, warrants or other rights outstanding to purchase any such
        Borrower Shares, except pursuant to the Company's 1994 Long Term
        Incentive Plan, 1997 Non-Employee Director Stock Option Plan and 1997
        Executive Deferred Compensation Stock Option Plan. Borrower is not a
        party to any agreement respecting the right of the holders of the
        Borrower Shares to vote such Borrower Shares, except for the Voting
        Agreement of CVC and MVA. The Borrower has delivered a true and correct
        copy of the Voting Agreement to the Agent.

     B. Schedules To Credit Agreement.

        The following schedules to the Credit Agreement are hereby amended and
restated in the forms attached hereto:

<TABLE>

<S>                            <C>   <C>
           Schedule 1.1(B)     -     Commitments Of The Banks
           Schedule 6.1(b)     -     Holders Of Common Stock Of Borrower
           Schedule 6.1(h)     -     Litigation
           Schedule 11.6       -     Notices
</TABLE>

4.   Conditions of Effectiveness of Amendment.

     This Second Amendment shall be effective on the date (the "Effective Date")
on which each of the Borrower, the Guarantors, the Banks and the Agent have
executed this Second Amendment and all of the following conditions have been
satisfied:

     A.   Revolving Credit Note.

          The Borrower shall have executed and delivered to Fifth Third a
Revolving Credit Note in principal amount equal to Fifth Third's Revolving
Credit Commitment.

                                       -8-
<PAGE>   9

     B.   Secretary's Certificate.

          There shall be delivered to the Agent for the benefit of each Bank a
certificate dated the effective date of this Second Amendment and signed by the
Secretary or an Assistant Secretary of each of the Loan Parties, certifying as
appropriate as to:

          (i) all action taken by each Loan Party in connection with this Second
Amendment and; and

          (ii) the names of the officer or officers authorized to sign this
Second Amendment and the true signatures of such officer or officers.

     C.   Opinion of Counsel.

          There shall be delivered to the Agents for the benefit of each Bank
written opinion of counsel for the Borrower and its Subsidiaries dated as of the
effective date of this Second Amendment and in form and substance satisfactory
to the Agents and their counsel as to the matters set forth in Exhibit 4(C)
hereto.

     D.   Fees and Expenses.

          The Borrower shall have paid to the Agent and the Banks any fees,
including legal fees, or expenses payable under the Loan Documents.

5.   References to Credit Agreement; Inconsistency.

     On and after the effective date of this Second Amendment, any reference to
the Credit Agreement in any document, instrument, or agreement shall hereafter
mean and include the Credit Agreement as amended hereby. In the event of
inconsistency between the terms or provisions hereof and the terms or provisions
of the Credit Agreement or any Loan Document, the terms and provisions hereof
shall control.

6.   Force and Effect.

     Each of the Guarantors and the Borrower reconfirms, restates, and ratifies
the Credit Agreement and all other documents executed in connection therewith
except to the extent any such documents are expressly modified by this Second
Amendment and confirms that all such documents have remained in full force and
effect since the date of their execution.

7.   Governing Law.

     This Second Amendment shall be deemed to be a contract under the laws of
the Commonwealth of Pennsylvania and for all purposes shall be governed by and
construed and enforced in accordance with the internal laws of the Commonwealth
of Pennsylvania without regard to its conflict of laws principles.

                                       -9-
<PAGE>   10

8.   Counterparts.

     This Second Amendment may be signed in any number of counterparts each of
which shall be deemed an original, but all of which together shall constitute
one and the same instrument.

     IN WITNESS WHEREOF, the parties hereto, by their officers thereunto duly
authorized, have executed this Agreement as of the day and year first above
written.

                         [SIGNATURES BEGIN ON NEXT PAGE]

                                      -10-
<PAGE>   11

                   [SIGNATURE PAGE 1 OF 3 TO SECOND AMENDMENT]

                                  BORROWER:

                                  CHASE INDUSTRIES INC.

                                  By:   /s/ M. T. SEGRAVES
                                        --------------------------------
                                  Name:  M. T. Segraves
                                        --------------------------------
                                  Title: CFO
                                        --------------------------------

                                  GUARANTORS:

                                  CHASE BRASS & COPPER COMPANY, INC.

                                  By:   /s/ M. T. SEGRAVES
                                        --------------------------------
                                  Name: M. T. Segraves
                                        --------------------------------
                                  Title: CFO
                                        --------------------------------

                                  LEAVITT TUBE COMPANY, INC.

                                  By:   /s/ M. T. SEGRAVES
                                        --------------------------------
                                  Name: M. T. Segraves
                                        --------------------------------
                                  Title: CFO
                                        --------------------------------

                                  HOLCO CORPORATION

                                  By:   /s/ M. T. SEGRAVES
                                        --------------------------------
                                  Name: M. T. Segraves
                                        --------------------------------
                                  Title: CFO
                                        --------------------------------

<PAGE>   12

                   [SIGNATURE PAGE 2 OF 3 TO SECOND AMENDMENT]

                                  AGENT AND BANKS:
                                  PNC BANK, NATIONAL ASSOCIATION,
                                  individually and as the Agent

                                  By:   /s/ MARK W. RUTHERFORD
                                        --------------------------------
                                  Name: Mark W. Rutherford
                                        --------------------------------
                                  Title: Senior Vice President
                                        --------------------------------

                                  ABN AMRO BANK N.V.

                                  By:   /s/ CHRISTOPHER S. HELMECI
                                        --------------------------------
                                  Name: Christopher S. Helmeci
                                        --------------------------------
                                  Title: Vice President
                                        --------------------------------

                                  By:   /s/ PATRICK M. PASTORE
                                        --------------------------------
                                  Name: Patrick M. Pastore
                                        --------------------------------
                                  Title: Vice President
                                        --------------------------------

                                  COMERICA BANK

                                  By:   /s/ ANTHONY L. DAVIS
                                        --------------------------------
                                  Name: Anthony L. Davis
                                        --------------------------------
                                  Title: Account Officer
                                        --------------------------------

                                  FIFTH THIRD BANK, NORTHWESTERN OHIO, N.A.

                                  By:   /s/ WILLIAM J. BEHE
                                        --------------------------------
                                  Name: William J. Behe
                                        --------------------------------
                                  Title: Senior Vice President
                                        --------------------------------

<PAGE>   13

                   [SIGNATURE PAGE 3 OF 3 TO SECOND AMENDMENT]

                                  IBJ WHITEHALL BANK & TRUST COMPANY

                                  By:    /s/ PATRICIA G. MCCORMACK
                                         -------------------------------
                                  Name:  Patricia G. McCormack
                                         -------------------------------
                                  Title: Director
                                         -------------------------------

                                  BANK ONE, MICHIGAN
                                  (f/k/a NBD Bank)

                                  By:    /s/ PATRICK F. DUNPHY
                                         -------------------------------
                                  Name:  Patrick F. Dunphy
                                         -------------------------------
                                  Title: Vice President
                                         -------------------------------

                                  FIRSTAR BANK, N.A.
                                  f/k/a Star Bank

                                  By:    /s/ DAVID J. DANNEMILLER
                                         -------------------------------
                                  Name:  David J. Dannemiller
                                         -------------------------------
                                  Title: Vice President
                                         -------------------------------

                                  BANK AUSTRIA CREDITANSTALT
                                  CORPORATE FINANCE INC.

                                  By:    /s/ MARTIN E. RAHE
                                         -------------------------------
                                  Name:  Martin E. Rahe
                                         -------------------------------
                                  Title: SVP
                                         -------------------------------

                                  By:    /s/ DAVID W. HANNI
                                         -------------------------------
                                  Name:  David W. Hanni
                                         -------------------------------
                                  Title: VP
                                         -------------------------------

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