Publication of Supplementary Prospectus

The Governor and Company of the Bank of Ireland ("Bank of Ireland" or the "Bank")

Announcement of Publication of Supplementary Prospectus

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY, TO US PERSONS OR IN OR INTO OR FROM THE UNITED STATES, AUSTRALIA, NEW ZEALAND, SOUTH AFRICA, JAPAN, CANADA OR SWITZERLAND OR ANY JURISDICTION WHERE TO DO SO WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OF SUCH JURISDICTION.

The Bank announces that a supplementary prospectus, supplemental to the prospectus published by Bank of Ireland on 18 June 2011 (the "Original Prospectus"), was published on 8 July 2011 (the "Supplementary Prospectus").

Unless otherwise defined, all capitalised terms in this announcement have the same meaning as those contained in the Original Prospectus. The Supplementary Prospectus has been made available to the public in accordance with Part 8 of the Irish Prospectus Regulations by the same being made available, free of charge,

·; in electronic form on the Bank's website, www.bankofireland.com/investor; and

·; in printed format until 5.00 p.m. on 29 July 2011 at the Bank's registered office at 40 Mespil Road, Dublin 4, Ireland.

The Supplementary Prospectus has been drawn up in accordance with Part 5 of the Investment Funds, Companies and Miscellaneous Provisions Act 2005 of Ireland, the Irish Prospectus Regulations, and the EU Prospectus Regulations. The Supplementary Prospectus has been approved by the Central Bank, as competent authority under the Prospectus Directive 2003/71/EC. The Central Bank only approves the Supplementary Prospectus as meeting the requirements imposed under Irish and EU law pursuant to the Prospectus Directive 2003/71/EC. Such approval relates only to New Ordinary Stock, Nil Paid Rights and Fully Paid Rights which are to be admitted to trading on the regulated market of the Irish Stock Exchange or other regulated markets for the purposes of Directive 2004/39/EC or which are to be offered to the public in any member state of the European Economic Area.

A copy of the Supplementary Prospectus will also shortly be available for inspection at the following location:

Company Announcements Office,

Irish Stock Exchange,

28 Anglesea Street,

Dublin 2,

Ireland.

Tel: + 353 1 6174200

and will be available on the national storage mechanism (http://www.hemscott.com/nsm.do)

Paper copies of the legal agreements effecting the Contingent Capital Instrument and the Minister's Letter will be available for inspection at following addresses during normal business hours today :

• the office of the Bank at 40 Mespil Road, Dublin 4, Ireland; and

• the Bank's offices at Bow Bells House, 1 Bread Street, London EC4M 9BE, England

They will also be available for inspection at O'Reilly Hall, UCD, Belfield, Dublin 4, Ireland from at least 15 minutes prior to the Extraordinary General Court until the conclusions of that meeting.

Ends.

For further information please contact: