13F-NT 1 hmk2q04.txt UNIONBANCAL - HIGHMARK UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: June 30, 2004 Check here if Amendment [ ]; Amendment Number: This Amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: HighMark Capital Management, Inc./CA Address: 475 Sansome Street MC S-620 San Francisco, CA 94111 13F File Number: 28-04663 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Lynn S. Iwaki Title: Vice President Phone: 619-230-4616 Signature, Place, and Date of Signing: /s/ Lynn S. Iwaki San Diego, CA July 08, 2004 Report Type (Check only one.): [ ] 13F HOLDINGS REPORT. [ X] 13F NOTICE. [ ] 13F COMBINATION REPORT. List of Other Managers Reporting for this Manager: Form 13F File Number Name 28-04665 UnionBanCal Corporation