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                                                               Exhibit 10(xxvii)

                                 AMENDMENT NO. 1
                                     TO THE
                       KULICKE AND SOFFA INDUSTRIES, INC.
                  1999 NONQUALIFIED EMPLOYEE STOCK OPTION PLAN

     WHEREAS, Kulicke and Soffa Industries, Inc. (the "Company") established the
Kulicke and Soffa Industries, Inc. 1999 Nonqualified Employee Stock Option Plan
(the "Plan"), effective September 28, 1999, for the benefit of its eligible
employees and eligible employees of its subsidiaries;

     WHEREAS, the Company reserved the right to amend the Plan at any time,
subject to certain inapplicable limitations;

     WHEREAS, the Company desires to amend the Plan in order to add a service
requirement to the definition of "Retirement";

     NOW, THEREFORE, with respect to options granted on or after May 16, 2000,
the last paragraph of Subparagraph (b)(6) (Exercise upon Retirement of Employee)
of Section 5 (Options) of the Kulicke and Soffa Industries, Inc. 1999
Nonqualified Employee Stock Option Plan is hereby amended to read as follows:

             For purposes of this Plan, Retirement shall mean an Employee's
retirement from the Company or one of its Subsidiaries at or after attaining the
customary retirement age for the Employee's country (as determined by the
Company, in its sole discretion) and completing at least five years of
employment with the Company and its Subsidiaries, or before such time if
expressly agreed to by the Company.

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

[Seal]                                      KULICKE AND SOFFA INDUSTRIES, INC.

Attest: __________________              By: __________________________________

                                        Date: ________________________________<PAGE>

                                                              Exhibit 10(xxviii)

                                (AMENDMENT NO. 2)
                              PROPOSED RESOLUTIONS
                                     FOR THE
                       KULICKE AND SOFFA INDUSTRIES, INC.
                             COMPENSATION COMMITTEE

     WHEREAS, Kulicke and Soffa Industries, Inc. (the "Company") maintains the
Kulicke and Soffa Industries, Inc. 1994 Employee Incentive Stock Option and
Non-Qualified Stock Option Plan, the Kulicke and Soffa Industries, Inc. 1998
Employee Incentive Stock Option and Non-Qualified Stock Option Plan, and the
Kulicke and Soffa Industries, Inc. 1999 Employee Nonqualified Stock Option Plan
(collectively referred to as the "Plans");

     WHEREAS, the Company's Board of Directors (the "Board") has declared a
two-for-one split of the Company's Common Stock, no par value, effective as of
July 31, 2000 for shareholders of record at the close of business on July 17,
2000;

     WHEREAS, the Board's Compensation Committee (the "Committee") administers
the Plans; and

     WHEREAS, the Committee desires to exercise its discretion under the terms
of the Plans to adjust the number of shares of Common Stock issuable under
outstanding options under each Plan (as well as the option exercise price per
share under such outstanding options), the maximum number of shares with respect
to which options may be granted under each Plan, and the maximum number of
shares with respect to which options may be granted to any key employee under
each Plan (if applicable) to reflect the stock split;

     NOW, THEREFORE, BE IT:

     RESOLVED, that the Committee hereby exercises its discretion under the
Kulicke and Soffa Industries, Inc. 1994 Employee Incentive Stock Option and
Non-Qualified Stock Option Plan (the "1994 Plan"), the Kulicke and Soffa
Industries, Inc. 1998 Employee Incentive Stock Option and Non-Qualified Stock
Option Plan (the "1998 Plan"), and the Kulicke and Soffa Industries, Inc. 1999
Employee Nonqualified Stock Option Plan (collectively referred to as the
"Plans") in the following manner: (i) each option outstanding under the Plans on
July 31, 2000 shall be adjusted, as a result of the stock split, so as to
entitle the holder thereof to purchase the number of full shares of Common Stock
("Shares") determined by multiplying the number of Shares subject to such option
immediately prior to the stock split by two, at an option price per Share equal
to one-half of the option price per share in effect immediately prior to the
stock split; (ii) the aggregate number of Shares, if any, still available for
the granting of options under the Plans immediately prior to the stock split
shall be increased by 100%; and (iii) the maximum number of Shares with respect
to which a key employee may receive options under each of the 1994 and 1998
Plans shall be increased by 100%, provided that, in the case of key employees
who have exercised options under such Plans prior to July 31, 2000, only the
maximum number of Shares available to him or her under each Plan as of July 31,
2000 (i.e., the relevant Plan pre-split maximum reduced by the pre-split number
of Shares received upon exercise prior to July 31, 2000) shall be increased by
100%; and be it

     FURTHER RESOLVED, that the appropriate officers of the Company are hereby
each severally authorized in the name of and on behalf of the Committee to
execute, file and deliver such instruments and other documents, and to take such
further actions, as such officer or officers may deem necessary or desirable to
effectuate, evidence or otherwise carry out the purposes and intent of the
foregoing resolution; and the execution, filing and delivery of any such
instrument or other document, and the taking of any such action, by any such
officer shall conclusively establish his authority therefor from the Committee
and the approval and ratification thereof by the Committee.<PAGE>

                                                                Exhibit 10(xxix)

                                 AMENDMENT NO. 3
                                     TO THE
                       KULICKE AND SOFFA INDUSTRIES, INC.
                  1999 NONQUALIFIED EMPLOYEE STOCK OPTION PLAN

          WHEREAS, Kulicke and Soffa Industries, Inc. (the "Company")
established the Kulicke and Soffa Industries, Inc. 1999 Nonqualified Employee
Stock Option Plan (the "Plan"), effective September 28, 1999, and amended the
Plan on two occasions thereafter, including an amendment to adjust the number of
shares to reflect a stock split pursuant to resolutions of the Compensation
Committee of the Company;

          WHEREAS, the Company reserved the right to amend the Plan at any time,
subject to certain inapplicable limitations;

          WHEREAS, the Company desires to amend the Plan to (i) increase the
total number of shares that may be issued under the Plan by 1,500,000 shares,
and (ii) 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, the Plan is hereby amended as follows:

          1. Section 2 of the Plan ("Administration") 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. (S)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

<PAGE>

          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.

          2.   The first sentence of Section 4 of the Plan ("Stock") is hereby
amended to read as follows:

               The number of shares of common stock of the Company, no par value
          ("Common Shares"), that may be subject to Options under the Plan shall
          be 2,500,000 shares, subject to adjustment as hereinafter provided.

          IN WITNESS WHEREOF, Kulicke and Soffa Industries, Inc. has caused this
Amendment No. 3 to be 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:_________________________________

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