1 EXHIBIT 10.20 MKS INSTRUMENTS, INC. SECOND AMENDMENT TO FIRST AMENDED AND RESTATED LOAN AGREEMENT This Second Amendment (the "Amendment") dated as of January 1, 2001 concerns the First Amended and Restated Loan Agreement dated as of January 1, 2000...Loan Agreement • April 2nd, 2001 • MKS Instruments Inc • Industrial instruments for measurement, display, and control • Massachusetts
1 EXHIBIT 10.21 MKS INSTRUMENTS, INC. SEVENTH AMENDMENT TO LOAN AGREEMENT This Seventh Amendment (the "Amendment") dated as of January 1, 2001 concerns the Loan Agreement dated as of October 31, 1995 (the "Loan Agreement"), between MKS Instruments,...Loan Agreement • April 2nd, 2001 • MKS Instruments Inc • Industrial instruments for measurement, display, and control • Massachusetts
1 EXHIBIT 10.25 Confidential Materials omitted and filed separately with the Securities and Exchange Commission. Asterisks denote omissions. AMENDED AND RESTATED COMPREHENSIVE SUPPLIER AGREEMENT This Agreement dated March 13, 2001 is by and between...Comprehensive Supplier Agreement • April 2nd, 2001 • MKS Instruments Inc • Industrial instruments for measurement, display, and control • California
