Document:

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                                                                    Exhibit 10.1

                     AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT

      THIS AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT (this "Amendment"), entered
into as of September 30, 2004, amends that certain Employment Agreement (the
"Employment Agreement") dated December 11, 2002 by and between NATCO Group Inc.,
a corporation organized and existing under the laws of the State of Delaware
("NATCO"), and Patrick M. McCarthy (the "Executive"). Capitalized terms used but
not defined in this Amendment shall have the meaning set forth in the Employment
Agreement

      WHEREAS, NATCO's Board of Directors (the "Board") has determined that it
is in the best interests of NATCO and its stockholders to ensure that NATCO and
its affiliates will have the continued dedication of the Executive,
notwithstanding the possibility, threat or occurrence of a termination of the
Executive's employment in certain circumstances, including following a Change in
Control as defined herein. The Board believes it is imperative to diminish the
inevitable distraction of the Executive by virtue of the personal uncertainties
and risks created by a pending or threatened termination of the Executive's
employment in such circumstances and to provide the Executive with compensation
and benefits arrangements upon such a termination which ensure that the
compensation and benefits expectations of the Executive will be satisfied and
which are competitive with those of other corporations; and

      WHEREAS, NATCO desires to continue the Executive in the employment
capacity hereinafter set forth and the Executive agrees to accept such
employment on the terms and conditions hereinafter set forth; and

      WHEREAS, NATCO and the Executive mutually desire to amend the terms of the
Employment Agreement as set forth below.

      NOW, THEREFORE, in consideration of the promises and mutual covenants
herein contained, it is hereby agreed by and between NATCO and the Executive as
follows:

      1. Paragraph 8(b) of the Employment Agreement is hereby amended to insert
"or by the Executive pursuant to Paragraph 13(f)" in the eighth line thereof,
following the parenthetical "(as defined in Paragraph 13(j)(iv) hereof)".

      2. Paragraph 13(b) of the Employment Agreement is hereby deleted and
replace in its entirety by the following:

            (b) Termination by the Executive. If the Executive terminates this
Employment Agreement for any reason other than Good Reason or a Transition
Election, each as defined below, NATCO shall have no further obligations or
responsibilities hereunder (except for Base Salary amounts earned but not yet
paid to the Executive through the date of the Executive's termination) and the
Executive shall not be entitled to receive any Bonus Compensation pursuant to
Paragraph 5(a) of this Employment Agreement nor any severance pay specified in
any severance plan or policy that NATCO presently has in effect or may establish
in the future for employees of NATCO. Any Bonus Compensation that has been
earned under the Bonus Plan, the payment of which has been deferred under the
terms of the Bonus Plan, will be paid to the Executive in accordance with the
terms of the Bonus Plan. Any benefits that have vested in the Executive at the
time of such termination as a result of his participation in any of NATCO's
benefit plans will be paid to the Executive, or to his estate or designated
beneficiary, subject to the provisions of such plans.

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      3. Paragraph 13(d) of the Employment Agreement is hereby deleted and
replace in its entirety by the following:

            (d) Termination by NATCO Without Cause or by the Executive for Good
Reason. NATCO has the right, at any time during the Term, subject to all of the
provisions hereof, to terminate the Executive's employment under this Employment
Agreement and discharge the Executive without Cause. Furthermore,
notwithstanding any other provision of this Employment Agreement, the
Executive's employment under this Agreement may be terminated at any time during
the Term by the Executive for Good Reason.

                  (i) In the event of termination of employment either by NATCO
      without Cause prior to the occurrence of a Change in Control or outside
      the Transition Period, each as defined below, or by the Executive for Good
      Reason prior to the occurrence of a Change in Control, the Executive shall
      be entitled to severance pay in accordance with any severance plan or
      policy that NATCO then has in effect. Any Bonus Compensation that has been
      earned under the Bonus Plan, the payment of which has been deferred under
      the terms of the Bonus Plan, will be paid to the Executive in accordance
      with the terms of the Bonus Plan.

                  (ii) In the event of a termination of employment by NATCO
      without Cause during the Transition Period, the Executive shall be
      entitled to payment of: (1) his base salary and accrued vacation earned
      through the Date of Termination; (2) subject to the Executive complying
      with his obligations in Section 8(b) of the Employment Agreement, but in
      lieu of payment of one-year's base salary in consideration for Executive's
      agreement in Section 8(b) of the Employment Agreement, an amount equal to
      two times the Executive's then base salary plus an amount equal to the
      Executive's target bonus payable bi-weekly, in equal installments over the
      course of 18 months; (3) an amount equal to the Executive's pro rata bonus
      for the period ending with his Date of Termination, payable in accordance
      with the terms of the applicable bonus plan then in effect; and (4)
      reimbursement of COBRA payments made by the Executive for continuation of
      coverage for Mr. McCarthy and eligible dependents for up to 18 months
      following such termination. In addition, as of the Date of Termination,
      all of the Executive's then outstanding and unvested stock options shall
      become fully vested and the restrictions on all of his then outstanding
      restricted stock shall lapse. The Executive may exercise those stock
      options and any other of his stock options that are outstanding and then
      vested, at any time on or before the date occurring 90 days after the
      termination date, but any such options not exercised by that date shall
      terminate and be canceled as of that date, and he shall no longer have any
      rights with respect to those options.

      4. Paragraph 13(f) shall be deleted and a new Paragraph 13(f) shall be
inserted following Paragraph 13(e), as follows:

                  (f) Termination by the Executive through Transition Election.
If the Executive is not named as NATCO's new Chief Executive Officer on or prior
to December 31, 2005, the Executive agrees to work for NATCO for a period of at
least nine months following the employment of a permanent Chief Executive
Officer and, at the end of such nine-month period, he may elect on a one-time
basis within 10 days of the end of such period (the "Transition Election") to
terminate his employment and receive (1) his base salary and accrued vacation
earned through the Date of Termination; (2) subject to the Executive complying
with his obligations in Paragraph 8(b) of the Employment Agreement, but in lieu
of payment of one-year's base salary in consideration for Executive's agreement
in Paragraph 8(b) of the Employment Agreement, an amount equal to two times the
Executive's then base salary only, payable bi-weekly, in equal installments over
the course of 18 months; (3) an amount equal to the Executive's pro

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rata bonus for the period ending with his Date of Termination, payable in
accordance with the terms of the applicable bonus plan then in effect; and (4)
reimbursement of COBRA payments made by the Executive for continuation of
coverage for the Executive and eligible dependents for up to 18 months following
such termination. In addition, as of the Date of Termination, all of the
Executive's then outstanding and unvested stock options shall become fully
vested and the restrictions on all of his then outstanding restricted stock
shall lapse. The Executive may exercise those stock options and any other of his
stock options that are outstanding and then vested, at any time on or before the
date occurring 90 days after the termination date, but any such options not
exercised by that date shall terminate and be canceled as of that date, and he
shall no longer have any rights with respect to those options.

      5. Paragraph 13(j) is hereby amended to add a new paragraph (vi) following
paragraph (v), as follows:

            (vi) "Transition Period" means the period from September 7, 2004
      through and including December 31, 2005.

      6. A new Paragraph 13(k) is hereby inserted following Paragraph 13(j), as
follows:

            (k) General. Any amounts payable pursuant to this Paragraph 13 shall
be subject to standard withholding and other authorized deductions, and will be
further subject to the requirements of Paragraph 14, below. The making of any
severance payment by NATCO pursuant to this Agreement is subject to the
Executive signing a general release with respect to labor and employment matters
in substantially the form attached hereto as Exhibit A.

      7. Paragraph 25 of the Employment Agreement is hereby amended to delete
the "copy to" requirement and information.

      8. The Executive hereby represents and warrants that the execution and
performance of this Amendment will not result in or constitute a default, breach
or violation, or an event which, with notice or lapse of time or both, would be
a default, breach or violation, of any understanding, agreement or commitment,
written or oral, express or implied, to which the Executive is a party or by
which the Executive or his property is bound.

      9. If any provision of this Amendment or the application hereof is held
invalid, the invalidity shall not affect other provisions or application of this
Amendment that can be given effect without the invalid provisions or
application, and to this end the provisions of this Amendment are declared to be
severable.

      10. Each party has cooperated in the drafting and preparation of this
Amendment. Hence, in any construction to be made of this Amendment, the same
shall not be construed against any party on the basis of that party being the
"drafter."

      11. The Employment Agreement as amended by this Amendment supersedes all
prior agreements between the parties concerning the subject matter hereof, other
than any and all stock option and restricted stock agreements entered into by
and between the Executive and NATCO, and this Amendment and Employment Agreement
together constitute the entire Employment Agreement between the parties with
respect thereto. The Employment Agreement, as amended hereby, may be modified
only with a written instrument duly executed by each of the parties. No person
has any authority to make any representations or promises on behalf of any of
the parties not set forth herein and the Employment Agreement as amended hereby
has not been executed in reliance upon any representation or promise except
those contained herein.

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      12. This Amendment shall be governed by and construed in accordance with
the laws of the State of Texas, without reference to principles of conflict of
laws.

      13. In entering into this Amendment, the parties represent that they have
relied upon the advice of their attorneys, who are attorneys of their own
choice, and that the terms of this Amendment and the Employment Agreement have
been completely read and explained to them by their attorneys, and that those
terms are fully understood and voluntarily accepted by them.

      14. Except as modified hereby, the terms and provisions of the Employment
Agreement shall remain in full force and effect on the date hereof. This
Amendment may be executed in separate counterparts, each of which when so
executed and delivered will be deemed an original, but all of which together
will constitute one and the same instrument.

In witness of the agreement of the parties, the parties hereto have executed
this Amendment as of the date first above written.

On behalf of

NATCO GROUP INC.                                        PATRICK M. MCCARTHY

By: /s/ John U. Clarke                                  /s/ Patrick M. McCarthy
    ------------------------                            ------------------------
        John U. Clarke
        Chairman and Interim Chief Executive
        Officer

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                                                                       EXHIBIT A

                                RELEASE OF CLAIMS

      This Release of Claims (this "Release") is entered into and effective as
of ____________, ____, by and between NATCO Group Inc., a Delaware corporation
("NATCO"), and Patrick M. McCarthy (the "Executive").

      1. In General. In consideration for the promises and payments received in
the Employment Agreement, entered into as of December 11, 2002, by and between
NATCO and Executive, as amended (the "Employment Agreement"), Executive
irrevocably and unconditionally releases, waives and discharges all Claims (as
defined in Section 2 below) that Executive has or may have through
______________, ____ (the "Separation Date") against the Released Parties (as
defined herein), except that Executive is not releasing (i) any Claim that
relates to Executive's right to enforce the Employment Agreement, (ii) any Claim
against any Released Party for the failure of NATCO or any of its subsidiaries
and controlled affiliated entities ("Subsidiaries") to provide to Executive any
vested benefits or right under its employee benefit plans (if any) in which
Executive is vested or entitled, (iii) any Claim that may arise based on acts or
omission after the Separation Date, (iv) any Claim for defense and/or
indemnification under the charter or bylaws of NATCO or any Subsidiary, any
applicable agreement, any other corporate document or any statute, or (v) any
defense that may be available to Executive with respect to any claim or cause of
action that NATCO, any Subsidiary or any other Released Party may hereafter
assert against Executive. For purposes of this Release, the "Released Parties"
are NATCO and all Subsidiaries (including corporations, limited liability
companies, partnerships, and joint ventures) and, with respect to each of NATCO
and its Subsidiaries, each of their respective predecessors and successors and
(to the extent relating to their positions or activities as such) past and
present employees, officers, directors, shareholders, owners, partners, members,
representatives, assigns, attorneys, as well as their employee benefit programs
(and, in their capacities as such, the trustees, administrators, fiduciaries,
and insurers of such programs), and any other persons acting by, through, under
or in concert with any of the foregoing identified Released Parties.

      2. Claims Released. Subject only to the exceptions noted in Section 1,
EXECUTIVE IS VOLUNTARILY RELEASING ALL KNOWN AND UNKNOWN, SUSPECTED AND
UNSUSPECTED CLAIMS, PROMISES, CAUSES OF ACTION, OR SIMILAR RIGHTS OF ANY TYPE
THAT EXECUTIVE HAS OR MAY HAVE AS OF THE SEPARATION DATE WITH RESPECT TO ANY
RELEASED PARTY (IN SUCH RELEASED PARTY'S CAPACITY AS SUCH) THAT RELATE TO
EXECUTIVE'S EMPLOYMENT WITH NATCO AND ITS SUBSIDIARIES AND/OR THE TERMINATION
THEREOF ("CLAIMS"). Executive understands that the Claims Executive is releasing
might arise under general employment policies or agreements between NATCO and
Executive or under any constitution, law, regulation, or ordinance that may
apply, including the United States Constitution, the Texas or other state
constitution, federal, state and local statutes, regulations, other
administrative guidance, or common law doctrines, such as, but not limited to,
the following:

            Anti-discrimination statutes, such as the Title VII of the Civil
            Rights Act of 1964, as amended by the Civil Rights Act of 1991,
            Section 1981 of the Civil Rights Act of 1866, and Executive Order
            11,246, which prohibit discrimination based on race, color, national
            origin, religion, or sex; the Equal Pay Act of 1963, which prohibits
            paying men and women unequal pay for the same work; the Americans
            With Disabilities Act of 1990 and Sections 503 and 504 of the
            Rehabilitation Act of 1973, which prohibit discrimination based on
            disability; the Equal Employment Opportunity Act of 1972; and any
            other federal, state, or local laws prohibiting employment
            discrimination, all as amended.

<PAGE>

            Federal employment statutes, such as the Workers Adjustment and
            Retraining Notification Act of 1988, which requires that advance
            notice be given of certain work force reductions; the Employee
            Retirement Income Security Act of 1974, which, among other things,
            protects employee benefits; the Fair Labor Standards Act of 1938, as
            amended, which regulates wage and hour matters; the Family and
            Medical Leave Act of 1993, which requires employers to provide
            leaves of absence under certain circumstances; the National Labor
            Relations Act, as amended; and any other federal laws relating to
            employment, such as veterans' reemployment rights laws, all as
            amended.

            Other laws, such as any federal, state, or local human rights, fair
            employment, and other laws and regulations and/or executive orders
            prohibiting discrimination on account of age, race, sex, sexual
            orientation, national origin, religion, handicap, disability,
            marital status, citizenship, veterans status, or other protected
            category; any federal, state, or local laws restricting an
            employer's right to terminate employees, or otherwise regulating
            employment; any federal, state, or local law enforcing express or
            implied employment contracts or requiring an employer to deal with
            employees fairly or in good faith; any other federal, state, or
            local laws providing recourse for alleged wrongful discharge, breach
            of contract, tort, physical or personal injury, emotional distress,
            fraud, negligent misrepresentation, defamation, and similar or
            related claims.

      3. Release of Age Discrimination Claims. THIS RELEASE ALSO SPECIFICALLY
WAIVES ALL OF EXECUTIVE'S RIGHTS AND CLAIMS ARISING UNDER THE AGE DISCRIMINATION
IN EMPLOYMENT ACT OF 1967 (29 U.S.C. SECTION 621 et seq.), AS AMENDED, AND THE
OLDER WORKER'S BENEFIT PROTECTION ACT, AS AMENDED. It is understood that
Executive is not waiving any rights or claims under the Age Discrimination in
Employment Act of 1967, as amended, that may arise after this Release is
executed. It is understood that Executive can waive rights or claims only in
exchange for consideration that is in addition to anything of value to which
Executive is already entitled. Executive understands that he has been given the
opportunity to consult with his attorney and discuss the contents of this
document and its meaning prior to executing this Release. Executive understands
that he may consider his decision for 21 days before signing this Release.
Executive acknowledges that he was offered 21 days in which to consider this
Release. If Executive signs this Release prior to the end of the 21-day time
period, he certifies that, in accordance with 29 CFR Section 1625.22 (e)(6), he
knowingly and voluntarily decided to sign this Release after considering it less
than 21 days and his decision to do so was not induced by NATCO through fraud,
misrepresentation, or a threat to withdraw or alter the offer prior to the
expiration of the 21-day time period.

      Executive understands that he may revoke this Release at any time within 7
days after he signs it and that this Release shall not become effective or
enforceable until the 7-day revocation period has expired. If Executive wishes
to revoke this Release during the 7 days after signing it, he will do so by
sending notice of same to the attention of NATCO's General Counsel by fax
(713/812-6654) and certified mail, return receipt requested (c/o NATCO Group
Inc., Brookhollow Central III, Suite 700, 2950 N. Loop West, Houston, TX 77092).
If after the passage of the 7-day period Executive does not intend to revoke
this Release, he shall execute and return the attached statement evidencing his
intent not to revoke this Release to NATCO's General Counsel as described above.
Executive acknowledges and understands that the above-mentioned consideration
will not be paid to him unless NATCO receives a properly executed original of
the attached notice evidencing his intent not to revoke this Release.

      Executive's initials following this paragraph evidence his understanding
and voluntary waiver of all Claims against NATCO including, but not limited to,
those pursuant to the Age Discrimination in Employment Act and the Older
Worker's Benefit Protection Act. Initials: __________

<PAGE>

      4. Pursuit of Released Claims. Executive represents that neither Executive
nor his heirs, agents, representatives or attorneys have filed or caused to be
filed any lawsuit, complaint, or charge with respect to any Claim that Executive
is releasing in this Release of Claims. Executive represents that he has not
brought or filed, and to the extent permitted by law will not bring or file, any
claim, charge, or action with respect to any Claim against the Released Parties,
or any of them, and, except as prohibited by law, agrees not to seek any
recovery arising out of, based upon, or relating to matters released hereunder.
This Release binds not only Executive in respect to these Claims, but it also
binds his spouse, heirs, representatives, and legal assigns and successors.

      5. Non-Admission of Liability. Nothing in this Agreement shall be
construed as an admission of liability by the Released Parties; rather,
Executive and the Released Parties are resolving all matters arising out of the
employer-employee relationship between NATCO and its Subsidiaries and Executive,
as to each of which the Released Parties each deny any liability.

      Executive affirmatively acknowledges that this Release has been read in
full, its terms and conditions are understood, and it is being freely signed.
Executive understands that independent legal counsel may be consulted prior to
signing this Release.

IN WITNESS WHEREOF, Executive and NATCO have executed this Release as set forth
below as of the date first set forth above.

"Executive"

                                               By:
                                                   -----------------------------
                                                      Patrick M. McCarthy

"Company"                                      NATCO Group Inc.

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

      State of ______________________ Section

      County/Parish of _______________ Section

      SUBSCRIBED AND SWORN TO before me by __________________________ this _____
day of _______________ ____.

                                                   ( S E A L )
       ________________________________

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      Seven-Day Notice

      TO: General Counsel
          NATCO Group Inc.
          Brookhollow Central III
          Suite 700
          2950 N. Loop West
          Houston, TX 77092
          Via Fax: 713/812-6654
          Original Via Certified Mail, Return Receipt Requested

      I, ______________________________, acknowledge that I have had 7 days in
which to consider my consent and agreement to this Release and I have elected
(please initial the appropriate blank):

          ______ not to revoke the Release.

          ______ to revoke the Release.

          __________________________________             _____/_____/_____

          State of ______________________     Section

          County/Parish of _______________    Section

          SUBSCRIBED AND SWORN TO before me by _____________________ this _____
day of_______________ ____.

                                                   ( S E A L )

          ________________________________<PAGE>

                                                                    Exhibit 10.2

                                NATCO GROUP INC.

                  FORM OF AMENDMENT NO. 1 TO SENIOR MANAGEMENT
                          CHANGE IN CONTROL AGREEMENT(1)

      THIS AMENDMENT NO. 1 TO SENIOR MANAGEMENT CHANGE IN CONTROL AGREEMENT
(this "Amendment"), dated as of September 30, 2004, amends that certain Senior
Management Change in Control Agreement (the "CIC Agreement") dated __________ by
and between NATCO Group Inc., a Delaware corporation (the "Company"), and
______________ (the "Executive").

      WHEREAS, the Company's Board of Directors (the "Board") has determined
that it is in the best interests of the Company and its stockholders to ensure
that the Company and its affiliates will have the continued dedication of the
Executive, notwithstanding the possibility, threat or occurrence of a
termination of the Executive's employment in certain circumstances, including
following a Change in Control as defined herein. The Board believes it is
imperative to diminish the inevitable distraction of the Executive by virtue of
the personal uncertainties and risks created by a pending or threatened
termination of the Executive's employment in such circumstances and to provide
the Executive with compensation and benefits arrangements upon such a
termination which ensure that the compensation and benefits expectations of the
Executive will be satisfied and which are competitive with those of other
corporations who may seek to employ the Executive; and

      WHEREAS, the Company and the Executive mutually desire to amend the terms
of the CIC Agreement as set forth below.

      NOW, THEREFORE, in order to accomplish these objectives, the Board has
caused the Company to enter into this Amendment with the Executive, and it is
hereby agreed as follows:

      1. Paragraph 1 of the CIC Agreement is hereby amended to insert a new
definition at the end of the paragraph as follows:

      (i) Transition Period. "Transition Period" means the period from September
7, 2004 through and including December 31, 2005.

      2. Paragraph 4(b) of the CIC Agreement is hereby deleted.

      3. The CIC Agreement is further amended by inserting new paragraphs 4A and
4B, immediately following current paragraph 4, as follows:

4A.   Obligations of the Company Upon Termination of Executive's Employment
      During the Transition Period.

      (a) If the Company terminates the Executive's employment other than for
      Cause or the Executive terminates employment with the Company for Good
      Reason during the Transition Period, and no Change in Control has
      occurred, the Company will pay the following to the

----------
(1) Entered into between the Company and the following executives: Robert A.
Curcio, Katherine P. Ellis, Richard W. FitzGerald, Richard D. Peters, Charles
Frank Smith, Joseph H. Wilson and David R. Volz, Jr.

                                       1
<PAGE>

      Executive as soon as practicable following the Date of Termination, but in
      no event later than thirty (30) days, or such period otherwise
      specifically provided, thereafter:

        (i)    cash in the amount of the Executive's annual base salary through
               the Date of Termination to the extent not theretofore paid,
               including amounts due for accrued but unused vacation time;

        (ii)   cash in an amount equal one year of the Executive's annual base
               salary at the rate in effect at the time Notice of Termination is
               given, payable bi-weekly, in equal installments over the course
               of one year;

        (iii)  reimbursement of COBRA payments made by the Executive for the
               continuation of the provision of health insurance, dental
               insurance and life insurance benefits for a period of 12 months
               following the Date of Termination to the Executive and the
               Executive's family at least equal to and to the same extent as
               those which would have been provided to them in accordance with
               the plans, programs, practices and policies of the Company as in
               effect and applicable generally to other peer executives and
               their families during the 90-day period immediately preceding the
               Effective Period or on the Date of Termination, at the election
               of the Executive; provided, however, that if the Executive
               becomes re-employed with another employer and is eligible to
               receive medical or other welfare benefits under another employer
               provided plan, the medical and other welfare benefits described
               herein will be secondary to those provided under such other plan
               during such applicable period of eligibility.

      In the event of a termination by the Company as provided in this paragraph
      4A, the Executive will not be eligible to receive any pro rata portion of
      any bonus plan of the Company in effect on the date of termination.

4B.   General Release. The Company's obligation to make any severance payment
      hereunder is subject to the Executive signing a general release with
      respect to labor and employment matters in substantially the form attached
      hereto as Exhibit A.

      4. Paragraph 6 is hereby amended to insert "and paragraph 4A" in the first
sentence, following the words "paragraph 4".

      5. Paragraph [8][9] is hereby amended to delete the phrase "the period of
time during which the Executive receives benefits pursuant to paragraph 4(a)(v)
hereof" and to insert in their place the words "a period of one year following
the Executive's Date of Termination".

      6. This Amendment will inure to the benefit of and be binding upon the
Company and its respective successors and assigns and the Executive and his
legal representatives.

      7. The Executive hereby represents and warrants that the execution and
performance of this Amendment will not result in or constitute a default, breach
or violation, or an event which, with notice or lapse of time or both, would be
a default, breach or violation, of any understanding, agreement or commitment,
written or oral, express or implied, to which the Executive is a party or by
which the Executive or his property is bound.

      8. If any provision of this Amendment or the application hereof is held
invalid, the invalidity shall not affect other provisions or application of this
Amendment that can be given effect

                                       2
<PAGE>

without the invalid provisions or application, and to this end the provisions of
this Amendment are declared to be severable.

      9. Each party has cooperated in the drafting and preparation of this
Amendment. Hence, in any construction to be made of this Amendment, the same
shall not be construed against any party on the basis of that party being the
"drafter."

      10. The CIC Agreement as amended by this Amendment supersedes all prior
agreements between the parties concerning the subject matter hereof, other than
any and all stock option and restricted stock agreements entered into by and
between the Executive and the Company, and this Amendment and the CIC Agreement
together constitute the entire CIC Agreement between the parties with respect
thereto. The CIC Agreement, as amended hereby, may be modified only with a
written instrument duly executed by each of the parties. No person has any
authority to make any representations or promises on behalf of any of the
parties not set forth herein and the CIC Agreement as amended hereby has not
been executed in reliance upon any representation or promise except those
contained herein.

      11. This Amendment shall be governed by and construed in accordance with
the laws of the State of Texas, without reference to principles of conflict of
laws.

      12. In entering into this Amendment, the parties represent that they have
relied upon the advice of their attorneys, who are attorneys of their own
choice, and that the terms of this Amendment and the CIC Agreement have been
completely read and explained to them by their attorneys, and that those terms
are fully understood and voluntarily accepted by them.

      13. Except as modified hereby, the terms and provisions of the CIC
Agreement shall remain in full force and effect on the date hereof. This
Agreement may be executed in separate counterparts, each of which when so
executed and delivered will be deemed an original, but all of which together
will constitute one and the same instrument. Nothing contained in this Amendment
will be construed as a contract of employment between the Company or any of its
affiliates and the Executive, as a right of the Executive to be continued in the
employment of the Company or any of its affiliates, or as a limitation of the
right of the Company or any of its affiliates to discharge the Executive with or
without cause.

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

The Company

NATCO GROUP INC.                                     THE EXECUTIVE

By  ________________________________                 ___________________________
    Name: ____________________                       ___________________________
    Title: ___________________

                                       3
<PAGE>

                                                                       EXHIBIT A

                                RELEASE OF CLAIMS

      This Release of Claims (this "Release") is entered into and effective as
of ____________, ____, by and between NATCO Group Inc., a Delaware corporation
(the "Company"), and ______________ (the "Executive").

      1. In General. In consideration for the promises and payments received in
the Senior Management Change in Control Agreement dated as of ___________,
__________, by and between the Company and Executive, as amended (the "CIC
Agreement"), Executive irrevocably and unconditionally releases, waives and
discharges all Claims (as defined in Section 2 below) that Executive has or may
have through ______________, ____ (the "Separation Date") against the Released
Parties (as defined herein), except that Executive is not releasing (i) any
Claim that relates to Executive's right to enforce the CIC Agreement, (ii) any
Claim against any Released Party for the failure of the Company or any of its
subsidiaries and controlled affiliated entities ("Subsidiaries") to provide to
Executive any vested benefits or right under its employee benefit plans (if any)
in which Executive is vested or entitled, (iii) any Claim that may arise based
on acts or omission after the Separation Date, (iv) any Claim for defense and/or
indemnification under the charter or bylaws of the Company or any Subsidiary,
any applicable agreement, any other corporate document or any statute, or (v)
any defense that may be available to Executive with respect to any claim or
cause of action that the Company, any Subsidiary or any other Released Party may
hereafter assert against Executive. For purposes of this Release, the "Released
Parties" are the Company and all Subsidiaries (including corporations, limited
liability companies, partnerships, and joint ventures) and, with respect to each
of the Company and its Subsidiaries, each of their respective predecessors and
successors and (to the extent relating to their positions or activities as such)
past and present employees, officers, directors, shareholders, owners, partners,
members, representatives, assigns, attorneys, as well as their employee benefit
programs (and, in their capacities as such, the trustees, administrators,
fiduciaries, and insurers of such programs), and any other persons acting by,
through, under or in concert with any of the foregoing identified Released
Parties.

      2. Claims Released. Subject only to the exceptions noted in Section 1,
EXECUTIVE IS VOLUNTARILY RELEASING ALL KNOWN AND UNKNOWN, SUSPECTED AND
UNSUSPECTED CLAIMS, PROMISES, CAUSES OF ACTION, OR SIMILAR RIGHTS OF ANY TYPE
THAT EXECUTIVE HAS OR MAY HAVE AS OF THE SEPARATION DATE WITH RESPECT TO ANY
RELEASED PARTY (IN SUCH RELEASED PARTY'S CAPACITY AS SUCH) THAT RELATE TO
EXECUTIVE'S EMPLOYMENT WITH THE COMPANY AND ITS SUBSIDIARIES AND/OR THE
TERMINATION THEREOF ("CLAIMS"). Executive understands that the Claims Executive
is releasing might arise under general employment policies or agreements between
the Company and Executive or under any constitution, law, regulation, or
ordinance that may apply, including the United States Constitution, the Texas or
other state constitution, federal, state and local statutes, regulations, other
administrative guidance, or common law doctrines, such as, but not limited to,
the following:

         Anti-discrimination statutes, such as Title VII of the Civil Rights Act
         of 1964, as amended by the Civil Rights Act of 1991, Section 1981 of
         the Civil Rights Act of 1866, and Executive Order 11,246, which
         prohibit discrimination based on race, color, national origin,
         religion, or sex; the Equal Pay Act of 1963, which prohibits paying men
         and women unequal pay for the same work; the Americans With
         Disabilities Act of 1990 and Sections 503 and 504 of the Rehabilitation
         Act of 1973, which prohibit discrimination based on disability; the
         Equal Employment Opportunity Act of 1972; and any other federal, state,
         or local laws prohibiting employment discrimination, all as amended.

                                       4
<PAGE>

         Federal employment statutes, such as the Workers Adjustment and
         Retraining Notification Act of 1988, which requires that advance notice
         be given of certain work force reductions; the Employee Retirement
         Income Security Act of 1974, which, among other things, protects
         employee benefits; the Fair Labor Standards Act of 1938, as amended,
         which regulates wage and hour matters; the Family and Medical Leave Act
         of 1993, which requires employers to provide leaves of absence under
         certain circumstances; the National Labor Relations Act, as amended;
         and any other federal laws relating to employment, such as veterans'
         reemployment rights laws, all as amended.

         Other laws, such as any federal, state, or local human rights, fair
         employment, and other laws and regulations and/or executive orders
         prohibiting discrimination on account of age, race, sex, sexual
         orientation, national origin, religion, handicap, disability, marital
         status, citizenship, veterans status, or other protected category; any
         federal, state, or local laws restricting an employer's right to
         terminate employees, or otherwise regulating employment; any federal,
         state, or local law enforcing express or implied employment contracts
         or requiring an employer to deal with employees fairly or in good
         faith; any other federal, state, or local laws providing recourse for
         alleged wrongful discharge, breach of contract, tort, physical or
         personal injury, emotional distress, fraud, negligent
         misrepresentation, defamation, and similar or related claims.

      3. Release of Age Discrimination Claims. THIS RELEASE ALSO SPECIFICALLY
WAIVES ALL OF EXECUTIVE'S RIGHTS AND CLAIMS ARISING UNDER THE AGE DISCRIMINATION
IN EMPLOYMENT ACT OF 1967 (29 U.S.C. SECTION 621 et seq.), AS AMENDED, AND THE
OLDER WORKER'S BENEFIT PROTECTION ACT, AS AMENDED. It is understood that
Executive is not waiving any rights or claims under the Age Discrimination in
Employment Act of 1967, as amended, that may arise after this Release is
executed. It is understood that Executive can waive rights or claims only in
exchange for consideration that is in addition to anything of value to which
Executive is already entitled. Executive understands that he/she has been given
the opportunity to consult with his/her attorney and discuss the contents of
this document and its meaning prior to executing this Release. Executive
understands that he/she may consider his/her decision for 21 days before signing
this Release. Executive acknowledges that he/she was offered 21 days in which to
consider this Release. If Executive signs this Release prior to the end of the
21-day time period, he/she certifies that, in accordance with 29 CFR Section
1625.22 (e)(6), he/she knowingly and voluntarily decided to sign this Release
after considering it less than 21 days and his/her decision to do so was not
induced by the Company through fraud, misrepresentation, or a threat to withdraw
or alter the offer prior to the expiration of the 21-day time period.

      Executive understands that he/she may revoke this Release at any time
within 7 days after he/she signs it and that this Release shall not become
effective or enforceable until the 7-day revocation period has expired. If
Executive wishes to revoke this Release during the 7 days after signing it,
he/she will do so by sending notice of same to the attention of the Company's
[Assistant] General Counsel by fax (713/812-6654) and certified mail, return
receipt requested (c/o NATCO Group Inc., Brookhollow Central III, Suite 700,
2950 N. Loop West, Houston, TX 77092). If after the passage of the 7-day period
Executive does not intend to revoke this Release, he/she shall execute and
return the attached statement evidencing his/her intent not to revoke this
Release to the Company's [Assistant] General Counsel as described above.
Executive acknowledges and understands that the above-mentioned consideration
will not be paid to him/her unless the Company receives a properly executed
original of the attached notice evidencing his/her intent not to revoke this
Release.

                                       5
<PAGE>

      Executive's initials following this paragraph evidence his/her
understanding and voluntary waiver of all Claims against the Company including,
but not limited to, those pursuant to the Age Discrimination in Employment Act
and the Older Worker's Benefit Protection Act. Initials: __________

      4. Pursuit of Released Claims. Executive represents that neither Executive
nor his/her heirs, agents, representatives or attorneys have filed or caused to
be filed any lawsuit, complaint, or charge with respect to any Claim that
Executive is releasing in this Release of Claims. Executive represents that
he/she has not brought or filed, and to the extent permitted by law will not
bring or file, any claim, charge, or action with respect to any Claim against
the Released Parties, or any of them, and, except as prohibited by law, agrees
not to seek any recovery arising out of, based upon, or relating to matters
released hereunder. This Release binds not only Executive in respect to these
Claims, but it also binds his/her spouse, heirs, representatives, and legal
assigns and successors.

      5. Non-Admission of Liability. Nothing in this Agreement shall be
construed as an admission of liability by the Released Parties; rather,
Executive and the Released Parties are resolving all matters arising out of the
employer-employee relationship between the Company and its Subsidiaries and
Executive, as to each of which the Released Parties each deny any liability.

      Executive affirmatively acknowledges that this Release has been read in
full, its terms and conditions are understood, and it is being freely signed.
Executive understands that independent legal counsel may be consulted prior to
signing this Release.

IN WITNESS WHEREOF, Executive and the Company have executed this Release as set
forth below as of the date first set forth above.

"Executive"

                                       By: _____________________________________
                                           ___________________________

"Company"                              NATCO Group Inc.

                                       By: _____________________________________
                                           Name:
                                           Title:

      State of ______________________ Section

      County/Parish of ______________ Section

      SUBSCRIBED AND SWORN TO before me by ________________________ this _____
day of _______________ ____.

                                                 ( S E A L )

                                       6
<PAGE>

      Seven-Day Notice

      TO: [Assistant] General Counsel
          NATCO Group Inc.
          Brookhollow Central III

          Suite 700
          2950 N. Loop West
          Houston, TX 77092
          Via Fax: 713/812-6654

          Original Via Certified Mail, Return Receipt Requested

      I, ______________________________, acknowledge that I have had 7 days in
which to consider my consent and agreement to this Release and I have elected
(please initial the appropriate blank):

          ______ not to revoke the Release.

          ______ to revoke the Release.

          __________________________________             _____/____/____

      State of ______________________   Section

      County/Parish of _______________  Section

      SUBSCRIBED AND SWORN TO before me by _______________________ this _____
day of _______________ ____.

                                                 ( S E A L )

       _____________________

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