Notification of Significant Shareholding

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

The Governor and Company of the 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:

The Capital Group Companies, Inc.

4. Full name of shareholder(s) (if different from the person mentioned in point 3.)

See Schedule A

5. Date of the transaction and date on which the threshold is crossed or reached:

31 July 2015

6. Date on which issuer is notified:

3 August 2015

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

Above 6%

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

Number of Voting rights

Number of shares

Number of voting rights

% of voting rights

Direct

Indirect

Direct

Indirect

Ordinary Stock

(ISIN: IE0030606259)

1,918,187,237

1,918,187,237

1,953,187,237

6.035%

SUBTOTAL A (based on aggregate voting rights)

1,918,187,237

1,918,187,237

1,953,187,237

6.035%

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

N/A

SUBTOTAL B (in relation to all expiration dates)

Total (A+B) [where applicable in accordance with national law]

number of voting rights

% of voting rights

1,953,187,237

1,953,187,237

6.035%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable xvii:

See Schedule A

10. In case of proxy voting: [name of the proxy holder] will cease to hold [number] voting rights as of [date].

n/a

11. Additional information: