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                                                                EXHIBIT 10(xxiv)

                                 AMENDMENT NO. 1
                                     TO THE
                       KULICKE AND SOFFA INDUSTRIES, INC.
                      2001 EMPLOYEE INCENTIVE STOCK OPTION
                       AND NON-QUALIFIED STOCK OPTION PLAN

                          (Effective December 18, 2000)

      WHEREAS, Kulicke and Soffa Industries, Inc. (the "Company") has
established the Kulicke and Soffa Industries, Inc. 2001 Employee Incentive Stock
Option and Non-Qualified Stock Option Plan (the "Plan") effective December 18,
2000; and

      WHEREAS, the Company desires to amend the Plan in order to provide the
Company's Compensation Committee with the discretion to delegate certain of its
authority under the Plan to senior officers of the Company;

      NOW, THEREFORE, Section 2 of the Plan is hereby amended to read as
follows:

                                    SECTION 2
                                 ADMINISTRATION

                        The Plan shall be administered by the Company's
      Compensation Committee ("Committee"), which shall consist solely of not
      fewer than two (2) "non-employee directors" (within the meaning of Rule
      16b-3(b)(3) under the Securities Exchange Act of 1934, or any successor
      thereto) of the Company who are also "outside directors" (within the
      meaning of Treas. Reg. Section 1.162-27(e)(3), or any successor thereto),
      who shall be appointed by, and shall serve at the pleasure of, the
      Company's Board of Directors ("Board"). Each member of such Committee,
      while serving as such, shall be deemed to be acting in his or her capacity
      as a director of the Company.

                        The Committee shall have the authority, subject to the
      terms of the Plan, to select the persons to be granted ISOs and NQSOs
      under the Plan, to grant Options on behalf of the Company, and to set the
      date of grant and the other terms of such Options. The Committee may
      correct any defect, supply any omission and reconcile any inconsistency in
      the Plan and in any Option granted hereunder in the manner and to the
      extent it shall deem desirable. The Committee also shall have the
      authority to establish such rules and regulations, not inconsistent with
      the provisions of the Plan, for the proper administration of the Plan, and
      to amend, modify or rescind any such rules and regulations, and to make
      such determinations and interpretations under, or in connection with, the
      Plan, as it deems necessary or advisable. All such rules, regulations,
      determinations and interpretations shall be binding and conclusive upon
      the Company, its Subsidiaries and shareholders and all officers and
      employees and former officers and employees, and upon their respective
      legal representatives, beneficiaries, successors and assigns and upon all
      other persons claiming under or through any of them. The Committee may
      delegate to the Office of the President and/or to other senior officers of
      the Company its duties under the Plan pursuant to such conditions or
      limitations as the Committee may establish, except that only the Committee
      may make any awards to or determinations regarding grants to employees who
      are subject to Section 16 of the Securities Exchange Act of 1934.

                        No member of the Board or the Committee, and no delegate
      of the Committee, shall be liable for any action or determination made in
      good faith with respect to the Plan or any Option granted hereunder.

      IN WITNESS WHEREOF, Kulicke and Soffa Industries, Inc. has caused this
Amendment No. 1 to be
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executed as adopted by the Board of Directors of the Company on the first day of
August 2001.

[Seal]                                    KULICKE AND SOFFA INDUSTRIES, INC.

Attest:                                   By:
       -----------------------------         -----------------------------------

                                          Date:
                                               ---------------------------------<PAGE>
                                                                 EXHIBIT 10(xxv)

                                 AMENDMENT NO. 2
                                     TO THE
                       KULICKE AND SOFFA INDUSTRIES, INC.
                      2001 EMPLOYEE INCENTIVE STOCK OPTION
                       AND NON-QUALIFIED STOCK OPTION PLAN

                          (Effective December 18, 2000)

            WHEREAS, Kulicke and Soffa Industries, Inc. (the "Company")
established the Kulicke and Soffa Industries, Inc. 2001 Employee Incentive Stock
Option and Non-Qualified Stock Option Plan (the "Plan") effective December 18,
2000, and amended the Plan on one occasion thereafter; and

            WHEREAS, the Company desires to amend the Plan to provide the
Company with greater flexibility in setting the vesting criteria applicable to
options granted thereunder;

            NOW, THEREFORE, effective as of October 2, 2001, Section 6(b)(4)(A)
of the Plan is hereby amended to read as follows:

                  (4) EXERCISE.

                        (A) GENERAL. Options shall be exercisable in such
      installments, on such dates, and/or upon fulfillment of such other
      conditions as the Committee may specify, provided that:

      IN WITNESS WHEREOF, Kulicke and Soffa Industries, Inc. has caused this
Amendment No. 2 to be executed this ____ day of ______________________, 2001.

[Seal]                                    KULICKE AND SOFFA INDUSTRIES, INC.

Attest:                                   By:
       -----------------------------         -----------------------------------

                                          Date:
                                               ---------------------------------<PAGE>
                                                                EXHIBIT 10(xxvi)

                                AMENDMENT NO. 1
                                     TO THE
                         KULICKE & SOFFA INDUSTRIES NC.
                      EXECUTIVE DEFERRED COMPENSATION PLAN

      WHEREAS, Kulicke & Soffa Industries Inc. (the "Company") maintains the
Kulicke & Soffa Industries, Inc. Executive Deferred Compensation Plan (the
"Plan") as amended and restated effective October 1, 1999 for the benefit of its
eligible employees; and

      WHEREAS, the Company desires to amend the Plan, with the consent of the
participants therein, to revise the definition of "Special Circumstance":

      NOW THEREFORE, effective August 1, 2001, section 1.24 of the Plan is
hereby amended to read as follows:

            1.24 Special Circumstance means the reporting by K&S of consolidated
      net losses equal to or in excess of $100,000,000, over a measuring period
      not exceeding two fiscal years of K&S (beginning with a fiscal year in
      which a loss for the year is reported). A Special Circumstance shall be
      deemed to occur on the date on which K&S makes an announcement of
      quarterly or annual earnings showing consolidated net losses, which
      together with losses reported previously during the measuring period,
      equal or exceed such $100,000,000 amount.

      IN WITNESS WHEREOF, the Company has caused this Amendment No. 1 to be
      executed by its duly authorized officers this 1st day of August 2001.

[CORPORATE SEAL]                          KULICKE & SOFFA INDUSTRIES INC.

Attest:                                   By:
       -------------------------             -----------------------------------<PAGE>
                                                               EXHIBIT 10(xxvii)

                                 AMENDMENT NO. 2
                                     TO THE
                         KULICKE & SOFFA INDUSTRIES INC.
                      EXECUTIVE DEFERRED COMPENSATION PLAN

               (AS AMENDED AND RESTATED EFFECTIVE OCTOBER 1, 1999)

      WHEREAS, Kulicke & Soffa Industries Inc. (the "Company") maintains the
Kulicke & Soffa Industries Inc. Executive Deferred Compensation Plan (the
"Plan") for the benefit of its eligible executives; and

      WHEREAS, it was intended to provide for distribution of the Education
Account to provide for the education of a dependent following high school; and

      WHEREAS, the Company desires to amend the Plan to provide for such
distribution when a dependent completes high school or enters an institution of
higher learning on a full-time basis whether or not such dependent has attained
age 18;

      NOW, THEREFORE, effective January 1, 2001, subsection A prior to the
Payment Method charts and subsection C of Section 5.2 are hereby amended to read
as follows:

      A.    If a Participant with an Education Account remains continuously
            employed by the Employer until January 1 of the calendar year in
            which an Eligible Dependent (i) attains age 18, (ii) will receive a
            high school diploma or (iii) is anticipated to enroll as a full-time
            student in an institution of higher learning, whichever occurs
            first, the Employer shall pay to the Participant a benefit within 30
            days after such January 1 and each of the next three anniversaries
            thereof (the four-year payment method) or each of the next five
            anniversaries thereof (the six-year payment method), as elected by
            the Participant, determined by applying the applicable percentage
            from the appropriate schedule below to the value of the Eligible
            Dependent's Subaccount as of the date of distribution:

      C.    Notwithstanding any provision to the contrary, if an Eligible
            Dependent's subaccount has a balance of less than $10,000 on the
            January 1 of the calendar year in which payment is to commence, then
            the balance shall be paid to the Participant in one lump sum.

      IN WITNESS WHEREOF, this Amendment has been duly executed this ____ day of
_______________, 2001.

Attest:                                   KULICKE & SOFFA INDUSTRIES INC.

_____________________________             By:_______________________________

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