UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F/A FORM 13F/A COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2007 -------------- 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: 1st Source Corporation Investment Advisors, Inc. Address: P. O. Box 1602 South Bend, IN 46634 Form 13F File Number: 28-110447 --------- 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, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Paul W. Gifford Title: Treasurer Phone: 574.235.2751 Signature, Place, and Date of Signing: /s/Paul W. Gifford South Bend, IN 05/08/07 ------------------ ---------------- -------------- [Signature] [City, State] [Date] Report Type (Check only one): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s). [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s). List of Other Managers Reporting for this Manager: Not Applicable Notice of Erroneous Filing Made Under the Wrong CIK: Please be advised that the Form 13-F filed under: Accession Number: 0000034782-07-000049 Submission Type: 13F-HR Filing Date: May 7, 2007 Was submitted in error and should be disregarded.