AMENDMENT TO EMPLOYMENT AGREEMENT
Whereas, Amtech Systems, Inc. ("Employer) and John R. Krieger ("Employee") entered into an Employment
Agreement (the "Agreement") dated July 1, 1997; and
Whereas, Employer and Employee now desire to modify the Agreement pursuant to Paragraph 2.19 thereof, and
to enter into this Amendment to Employment Agreement ("Agreement");
The parties hereto therefore agree to the following modifications to the Agreement, to be effective as of the date
set forth below; with all unmodified portions of the Agreement to remain in full force and effect as written:
1. Paragraph 2.4 of the Agreement is hereby deleted and replaced by the following:
2.4 Employee's duties for Employer will be determined based upon the mutual agreement of Employee and
Employer, through its President or the Chairman of its Board of Directors, as they may agree from time to time.
Employee shall devote his time, attention, skills and energies to complete the mutually agreed upon assignments in
a professional and timely manner and shall serve Employer faithfully, diligently and to the best of his ability.
Employee's assignments shall be primarily in the areas of corporate development, and he will not have direct line
responsibility for P.R. Hoffman Machine Products, Inc., but may have responsibility for specific assignments
related to P.R. Hoffman as agreed upon pursuant to this paragraph. Employee will initially be principally located
in Dillsburg, Pennsylvania, and will transition to residence in Prescott, Arizona on a schedule to be determined by
him. While in Arizona, and working on assignments for Employer, Employee may be required to report to
Employer's corporate offices in Tempe, Arizona no more than three days per week. Employee will be
responsible for all travel expenses between Prescott, Arizona and Employer's corporate offices in Tempe,
Arizona, and will not be reimbursed for such expenses. Employer shall not hold the position of Director of
Employer or any of its subsidiaries and agrees