Amtech Systems Inc. – Material Contracts Watch

from 10-Q 4 pages • Your Annual Salary Will Be $350,000. • You Will Be Paid on a Bi-Weekly Basis, With Each Paycheck Issued One Week in Arrears. • Group Medical, Dental and Vision Coverage (Approximately 82% Currently Paid by Amtech and Employee Contributions Are Pre-Tax). • Hsa or Hra Medical Plan Option. • Life Insurance Equals 2x Annual Base Salary Paid 100% by Amtech. • Short-Term Disability Coverage Paid 100% by Amtech. • Long-Term Disability Coverage Is Paid 100% by Amtech. • 401(k) Plan With Discretionary Company Match. • Section 125 Flexible Spending Account Option. • Vacation of 4 Weeks Per Year and Sick Leave of One Week Per Year (Earned Over Your First Year of Employment). • Lead the Finance Team and Oversee Financial It Systems. • Take Responsibility (Either Directly or via Staff) for All Cash Management, Investments, Insurance, Budgeting, and Financial Reporting, and Help Drive the Company’s Financial Strategy

from 10-Q 5 pages The Following Is the Compensation and Benefits Being Offered to You: • Your Annual Salary Will Be $400,000, Less Applicable Tax and Other Withholdings. • You Will Be Paid on a Bi-Weekly Basis, With Each Paycheck Issued One Week in Arrears. • Group Medical, Dental and Vision Coverage (Approximately 82% Currently Paid by Amtech and Employee Contributions Are Pre-Tax). • Hsa or Hra Medical Plan Option. • Life Insurance Equals 2x Annual Base Salary Paid 100% by Amtech. • Short-Term Disability Coverage Is Paid 100% by Amtech. • Long-Term Disability Coverage Is Paid 100% by Amtech. • 401(k) Plan With Discretionary Company Match. • Section 125 Flexible Spending Account Option. • Vacation of 4 Weeks Per Year and Sick Leave of One Week Per Year

from 8-K 16 pages Amended and Restated Employment Agreement

from 8-K 5 pages The Following Is the Compensation and Benefits Being Offered to You: • Your Annual Salary Will Be $400,000, Less Applicable Tax and Other Withholdings. • You Will Be Paid on a Bi-Weekly Basis, With Each Paycheck Issued One Week in Arrears. • Group Medical, Dental and Vision Coverage (Approximately 82% Currently Paid by Amtech and Employee Contributions Are Pre-Tax). • Hsa or Hra Medical Plan Option. • Life Insurance Equals 2x Annual Base Salary Paid 100% by Amtech. • Short-Term Disability Coverage Is Paid 100% by Amtech. • Long-Term Disability Coverage Is Paid 100% by Amtech. • 401(k) Plan With Discretionary Company Match. • Section 125 Flexible Spending Account Option. • Vacation of 4 Weeks Per Year and Sick Leave of One Week Per Year

from 8-K 4 pages • Your Annual Salary Will Be $350,000. • You Will Be Paid on a Bi-Weekly Basis, With Each Paycheck Issued One Week in Arrears. • Group Medical, Dental and Vision Coverage (Approximately 82% Currently Paid by Amtech and Employee Contributions Are Pre-Tax). • Hsa or Hra Medical Plan Option. • Life Insurance Equals 2x Annual Base Salary Paid 100% by Amtech. • Short-Term Disability Coverage Paid 100% by Amtech. • Long-Term Disability Coverage Is Paid 100% by Amtech. • 401(k) Plan With Discretionary Company Match. • Section 125 Flexible Spending Account Option. • Vacation of 4 Weeks Per Year and Sick Leave of One Week Per Year (Earned Over Your First Year of Employment). • Lead the Finance Team and Oversee Financial It Systems. • Take Responsibility (Either Directly or via Staff) for All Cash Management, Investments, Insurance, Budgeting, and Financial Reporting, and Help Drive the Company’s Financial Strategy

from 10-Q 3 pages December 9, 2025 Dear Mark,

from 10-K 5 pages Amendment No. 2 to Employment Agreement

from 10-K 5 pages Amendment No. 1 to Employment Agreement

from 10-K 5 pages Amendment No. 2 to Employment Agreement

from 10-K 5 pages Amendment No. 1 to Employment Agreement

from 10-K 10 pages Forbearance & Modification Agreement

from 10-K 16 pages Employment Agreement

from 10-Q 72 pages Agreement and Plan of Merger by and Among Amtech Systems, Inc., Entrepix, Inc., Emerald Merger Sub, Inc., Timothy P. Tobin, as the Shareholders’ Representative and Timothy P. Tobin and Steven N. Horowitz, as the Key Shareholders Dated as of January 17, 2023

from 10-K 10 pages August 4, 2022 Jong S. Whang Amtech Systems, Inc. 131 South Clark Drive Tempe, Arizona 85281 Re: Letter Agreement Regarding Board Retirement and Related Terms Dear Js,

from 10-Q 4 pages First Amendment to Purchase Agreement

from 10-Q 24 pages Purchase and Sale Agreement

from 10-Q 1 page December 28, 2018 Fokko Pentinga Re: Separation Agreement Dated December 6, 2018, Between Amtech Systems, Inc. (The “Company”) and Fokko Pentinga (The “Separation Agreement”). Dear Mr. Pentinga: Acknowledged and Agreed To

from 10-Q 12 pages Separation Agreement and General Release of All Claims

from 8-K 6 pages Change of Control and Severance Agreement

from 8-K ~1 page Amtech Systems, Inc. 131 South Clark Drive Tempe, Arizona 85281 November 10, 2016