STANDARD FORM TR-1 STANDARD FORM TR-1 VOTING RIGHTS ATTACHED TO SHARES- ARTICLE 12(1) OF DIRECTIVE 2004/109/EC FINANCIAL INSTRUMENTS - ARTICLE 11(3) OF THE COMMISSION DIRECTIVE 2007/14/EC


1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:

Bank of Ireland

2. Reason for the notification (please tick the appropriate box or boxes):
[X] an acquisition or disposal of voting rights
[ ] an acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached
[ ] an event changing the breakdown of voting rights
3. Full name of person(s) subject to the notification obligation:

BlackRock, Inc.

4. Full name of shareholder(s) (if different from 3.):
5. Date of the transaction and date on which the threshold is crossed or reached:

15th May 2015

6. Date on which issuer notified:

18th May 2015

7. Threshold(s) that is/are crossed or reached:

Holding has gone above 7%

8. Notified details:

A) Voting rights attached to shares

Class/type of

shares (if possible using the ISIN CODE)

Situation previous to the

Triggering transaction

Resulting situation after the triggering transaction

Class/type of

shares (if possible using the ISIN CODE)

Number of

Shares

Number of

Voting rights

Number of

shares

Number of voting

rights

% of voting rights

Class/type of

shares (if possible using the ISIN CODE)

Number of

Shares

Number of

Voting rights

Direct

Direct

Indirect

Direct

Indirect

IE0030606259

2,248,059,114

2,248,059,114

N/A

N/A

2,269,574,205

N/A

7.01%

SUBTOTAL A

(based on aggregate voting rights)

2,269,574,205

7.01%

B) Financial Instruments

Resulting situation after the triggering transaction

Type of financial

instrument

Expiration Date

Exercise/Conversion

Period/ Date

Number of voting

rights that may be acquired if the instrument is exercised/converted

% of voting rights

SUBTOTAL B (in

relation to all expiration dates)

Total (A+B)

number of voting

rights

% of voting rights

2,269,574,205

2,269,574,205

7.01%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable:
10. In case of proxy voting: [name of the proxy holder] will cease to hold [number]
voting rights as of [date].
11. Additional information:

Done at Dublin on 19 May 2015 Contact: Helen Nolan, Group Secretary Telephone: +353 (0) 76 623 4710
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