Exhibit 10.4 AGREEMENT TO PRESERVE CORPORATE OPPORTUNITY This Agreement is dated as of November 15, 2002, and is between Kevin L. Griffin (the "SECURITYHOLDER") and Ultra Clean Holdings, Inc., a Delaware corporation (the "PARENT"). A. The...Agreement to Preserve Corporate Opportunity • January 14th, 2004 • Ultra Clean Holdings Inc • Delaware
Contract Type FiledJanuary 14th, 2004 Company Jurisdiction
AGREEMENT TO PRESERVE CORPORATE OPPORTUNITYAgreement to Preserve Corporate Opportunity • July 6th, 2006 • Ultra Clean Holdings Inc • Semiconductors & related devices • Delaware
Contract Type FiledJuly 6th, 2006 Company Industry JurisdictionThis Agreement is dated as of June 29, 2006, and is between Leonid Mezhvinsky (the “Securityholder”) and Ultra Clean Holdings, Inc., a Delaware corporation (the “Parent”).