UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2008 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: Allied Irish Banks, p.l.c. Address: Office of the Secretary Block K Level 4 - Bankcentre Ballsbridge, Dublin 4 Ireland 13F File Number: 28-05346 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: Helen Casey Title: Assistant Manager, Office of the Secretary Phone: 00 353 1 6413735 Signature, Place, and Date of Signing: /s/ Helen Casey Dublin, Ireland May 05, 2008 Report Type (Check only one.): [ X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form13F Information Table Entry Total: 204 Form13F Information Table Value Total: $2,956,364 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional managers with respect to which this report is filed, other than the manager filing this report. NONE FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- 3COM CORP COM 885535104 5 70 SH DEFINED 70 0 0 ABBOTT LABS COM 002824100 10443 189481 SH DEFINED 189481 0 0 ABERCROMBIE & FITCH CO CL A 002896207 6012 82195 SH DEFINED 82195 0 0 ACTIVIDENTITY CORP COM 00506P103 4 1745 SH DEFINED 1745 0 0 AETNA INC NEW COM 00817Y108 84 2000 SH DEFINED 2000 0 0 ALBERTO CULVER CO NEW COM 013078100 10698 390293 SH DEFINED 390293 0 0 ALCATEL-LUCENT SPONSORED ADR 013904305 0 14 SH DEFINED 14 0 0 ALLERGAN INC COM 018490102 5 97 SH DEFINED 97 0 0 ALLSTATE CORP COM 020002101 57 1200 SH DEFINED 1200 0 0 ALTRIA GROUP INC COM 02209S103 3183 141099 SH DEFINED 141099 0 0 AMERICAN INTL GROUP INC COM 026874107 693 16051 SH DEFINED 16051 0 0 ANALOG DEVICES INC 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