Bank Of Ireland Regulatory News (BIRG)

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the Central Bank of Ireland)

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

Bank of Ireland Group plc

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

[ ] An event changing the breakdown of voting rights

[ ] Other (please specify):

3. Details of person subject to the notification obligation:

Name:

The Capital Group Companies, Inc.

City and country of registered office (if applicable):

Los Angeles, California 90071 U.S.A.

4. Full name of shareholder(s) (if different from 3.):

See Box 10

5. Date on which the threshold was crossed or reached:

13 December 2018

6. Date on which issuer notified: 14 December 2018

7. Threshold(s) that is/are crossed or reached: Below 5% - Aggregate of voting rights from shares

8. Total positions of person(s) subject to the notification obligation:

% of voting rights attached to shares (total of 9.A)

% of voting rights through financial instruments(total of 9.B.1 + 9.B.2)

Total of both in % (9.A + 9.B)

Total number of voting rights of issuer

Resulting situation on the date on which threshold was crossed or reached

4.6418%

0.0000%

4.6418%

1,078,822,872

Position of previous notification (if applicable)

5.1063%

0.0000%

5.1063%

9. Notified details of the resulting situation on the date on which the threshold was crossed or reached:

A: Voting rights attached to shares

Class/type ofshares

ISIN code (if possible)

Number of voting rights

% of voting rights

Direct

Indirect

Direct

Indirect

Ordinary Shares

(ISIN: IE00BD1RP616)

50,076,614

4.6418%

SUBTOTAL A

50,076,614

4.6418%

B 1: Financial Instruments according to Regulation 17(1)(a) of the Regulations

Type of financial instrument

Expirationdate

Exercise/Conversion Period

Number of voting rights that may be acquired if the instrument is exercised/converted.

% of voting rights

SUBTOTAL B.1

B 2: Financial Instruments with similar economic effect according to Regulation 17(1)(b) of the Regulations

Type of financial instrument

Expirationdate

Exercise/Conversion Period

Physical or cash settlement

Number of voting rights

% of voting rights

SUBTOTAL B.2

10. Information in relation to the person subject to the notification obligation

[ ] Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer.

[ X ] Full chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held starting with the ultimate controlling natural person or legal entity:

Name

% of voting rights if it equals or is higher than the notifiable threshold

% of voting rights through financial instruments if it equals or is higher than the notifiable threshold

Total of both if it equals or is higher than the notifiable threshold

The Capital Group Companies, Inc.

Holdings by CG Management companies are set out below:

4.6418%

0.0000%

4.6418%

Capital Research and Management Company1

4.4197%

0.0000%

4.4197%

Capital Guardian Trust Company2

1. Wholly owned subsidiary of The Capital Group Companies, Inc.

2. Wholly owned indirect subsidiaries of Capital Research and Management Company

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

12. Additional information:

CGC is the parent company of Capital Research and Management Company ("CRMC"). CRMC is a U.S.-based investment management company that manages the American Funds family of mutual funds. CRMC manages equity assets for various investment companies through three divisions, Capital Research Global Investors, Capital International Investors and Capital World Investors. CRMC in turn is the parent company of Capital Group International, Inc. ("CGII"), which in turn is the parent company of five investment management companies ("CGII management companies"): Capital Guardian Trust Company, Capital International, Inc., Capital International Limited, Capital International Sàrl and Capital International K.K. The CGII management companies primarily serve as investment managers to institutional clients.

Neither CGC nor any of its affiliates own shares of Bank of Ireland Group plc for its own account. Rather, the shares reported on this Notification are owned by accounts under the discretionary investment management of one or more of the investment management companies described above.