ALLIED IRISH BANKS, P.L.C. ANNOUNCES THE RESULTS OF ITS OFFERS TO PURCHASE FOR CASH

+---+ |   | +---+ +---+ |   | +---+ Allied Irish Banks, p.l.c. ("AIB") [NYSE:AIB]                                       For Immediate Release 16(th)  June 2011 ALLIED IRISH BANKS, P.L.C. ANNOUNCES THE RESULTS OF ITS OFFERS TO PURCHASE FOR CASH any and all of its outstanding £350,000,000 Subordinated Callable Fixed/Floating Rate Notes due 2030 (ISIN: XS0180778507) (the "2030 Sterling Notes") U.S.$400,000,000 Dated Callable Step-Up Subordinated Notes due 2015 (ISIN: XS0197993875) (the "2015 Dollar Notes") €400,000,000 Subordinated Callable Step-Up Floating Rate Notes due 2015 (ISIN: XS0208845924) (the "2015 Euro Notes") £500,000,000 Subordinated Callable Fixed/Floating Rate Notes due 2025 (ISIN: XS0214107053) (the "2025 Sterling Notes") €500,000,000 Callable Subordinated Step-Up Floating Rate Notes due 2017 (ISIN: XS0232498393) (the "2017 Euro Floating Rate Notes") £700,000,000 Callable Dated Subordinated Fixed to Floating Rate Notes due July 2023 (ISIN: XS0368068937) (the "2023 Sterling Notes") £368,253,000 12.5 per cent. Subordinated Notes due 25 June 2019 (ISIN: XS0435957682) (the "2019 Sterling Notes") €868,518,000 12.5 per cent. Subordinated Notes due 25 June 2019 (ISIN: XS0435953186) (the "2019 Euro Notes") €419,070,000 10.75 per cent. Subordinated Notes due 2017 (ISIN: XS0498532117) (the "2017 Euro Notes") U.S.$177,096,000 10.75 per cent. Subordinated Notes due 2017 (ISIN: XS0498530178) (the "2017 Dollar Notes") £1,096,645,000 11.50 per cent. Subordinated Notes due 2022 (ISIN: XS0498531069) (the "2022 Sterling Notes") €200,000,000 Perpetual Subordinated Callable Step-Up Notes (ISIN: XS0100325983) (the "Perpetual Euro Notes") £400,000,000 Perpetual Callable Step-Up Subordinated Notes (ISIN: XS0227409629) (the "Perpetual Sterling Notes") €500,000,000 7.50 per cent. Step-Up Callable Perpetual Reserve Capital Instruments (ISIN: XS0120950158) (the "Perpetual RCIs") U.S.$100,000,000 Subordinated Primary Capital Perpetual Floating Rate Notes (ISIN: IE0000189625) (the "Perpetual Dollar Notes" and, together with the 2030 Sterling Notes, the 2015 Dollar Notes, the 2015 Euro Notes, the 2025 Sterling Notes, the 2017 Euro Floating Rate Notes, the 2023 Sterling Notes, the 2019 Sterling Notes, the 2019 Euro Notes, the 2017 Euro Notes, the 2017 Dollar Notes, the 2022 Sterling Notes, the Perpetual Euro Notes, the Perpetual Sterling Notes and the Perpetual RCIs, the "Notes") and any and all of the outstanding AIB UK I LP €1,000,000,000 Fixed Rate/Floating Rate Guaranteed Non-voting Non- cumulative Perpetual Preferred Securities having the benefit of a subordinated guarantee of Allied Irish Banks, p.l.c. (ISIN: XS0208105055) (the "AIB UK I PPS") AIB UK 2 LP €500,000,000 Fixed Rate/Floating Rate Guaranteed Non-voting Non- cumulative Perpetual Preferred Securities having the benefit of a subordinated guarantee  of Allied Irish Banks, p.l.c. (ISIN: XS0257734037) (the "AIB UK 2 PPS") AIB UK 3 LP £350,000,000 Fixed Rate/Floating Rate Guaranteed Non-voting Non- cumulative Perpetual Preferred Securities having the benefit of a subordinated guarantee of Allied Irish Banks, p.l.c. (ISIN: XS0257571066) (the "AIB UK 3 PPS" and, together with the AIB UK I PPS and the AIB UK 2 PPS, the "PPS") ALLIED IRISH BANKS, P.L.C. AND AIB G.P. No. 1 LIMITED ANNOUNCE THE RESULTS OF THE MEETINGS OF HOLDERS OF THE ABOVE NOTES AND PPS On 13 May 2011, Allied Irish Banks, p.l.c. (the "Bank") announced that it was inviting all holders of the Notes (subject to the invitation restrictions set out in the Tender and Consent Memorandum (as defined below)) to (i) tender any and all of the Notes for purchase by the Bank for cash, and (ii) consent (the "AIB Consent Invitation") to certain modifications of the terms of the Notes (together, the "AIB Offer"). The Bank also announced that it was inviting holders (subject to the invitation restrictions set out in the Tender and Consent Memorandum) to tender any and all of the PPS for purchase by the Bank for cash. In addition on the same date, AIB G.P. No. 1 Limited ("AIB GP") announced that it was inviting all holders of the PPS (subject to the invitation restrictions set out in the Tender and Consent Memorandum) to consent (the "LP Consent Invitation" and together with the AIB Consent Invitation, the "Consent Invitations" and each a "Consent Invitation") to certain modifications of the terms of the PPS (together with the Bank's invitation to such holders, the "LP Offer" and together with the AIB Offer, the "Offers" and each an "Offer"). The Offers were made upon the terms and subject to the conditions contained in the tender and consent memorandum dated 13 May 2011 (the "Tender and Consent Memorandum"). In conjunction with the invitation to tender any and all of the Notes or PPS, as applicable, each of the Bank (in respect of the Notes) and AIB GP (in respect of the PPS) invited holders of each Series of Notes and PPS (subject to the invitation restrictions set out in the Tender and Consent Memorandum) to consider, and, if thought fit, pass, the relevant Extraordinary Resolution (each an "Extraordinary Resolution") in relation to certain modifications of the terms of each Series of the Notes and/or PPS (and the guarantees in respect of the PPS) as further described in the Tender and Consent Memorandum. This announcement is made in accordance with the Tender and Consent Memorandum. Capitalised terms used and not otherwise defined in this announcement have the meaning given in the Tender and Consent Memorandum. The Bank hereby announces the aggregate nominal amount of each Series of Notes (other than the 2015 Euro Notes, the 2023 Sterling Notes and the 2017 Euro Notes, together the "Delayed Settlement Notes") and PPS accepted for purchase pursuant to the relevant Offer. The Bank and AIB GP announce whether the Extraordinary Resolutions in relation to each Series of Notes (other than the Delayed Settlement Notes) and PPS have passed. Description of Common Outstanding Aggregate Results of the Notes code/ISIN nominal amount nominal amount the prior to of Notes Extraordinary settlement of the accepted for Resolutions AIB Offer purchase in respect of the Notes £350,000,000 018077850/ £145,000 £145,000 Passed Subordinated XS0180778507 Callable Fixed/Floating Rate Notes due 2030 U.S.$400,000,000 019799387/ U.S.$39,316,000 U.S.$38,359,000 Passed Dated Callable XS0197993875 Step-Up Subordinated Notes due 2015 £500,000,000 021410705/ £1,261,000 £125,000 Not passed Subordinated XS0214107053 Callable Fixed/Floating Rate Notes due 2025 €500,000,000 023249839/ €75,215,000 €49,930,000 Meeting Callable XS0232498393 adjourned for Subordinated want of a Step-Up Floating quorum Rate Notes due 2017 £368,253,000 043595768/ £215,963,000 £41,103,000 Not passed 12.5 per cent. XS0435957682 Subordinated Notes due 25 June 2019 €868,518,000 043595318/ €628,448,000 €588,498,000 Passed 12.5 per cent. XS0435953186 Subordinated Notes due 25 June 2019 U.S.$177,096,000 049853017/ U.S.$108,105,000 $93,510,000 Passed 10.75 per cent. XS0498530178 Subordinated Notes due 2017 £1,096,645,000 049853106/ £385,344,000 £384,294,000 Passed 11.50 per cent. XS0498531069 Subordinated Notes due 2022 €200,000,000 010032598/ €53,793,000 €53,515,000 Passed Perpetual XS0100325983 Subordinated Callable Step-Up Notes £400,000,000 022740962/ £58,608,000 £58,558,000 Passed Perpetual XS0227409629 Callable Step-Up Subordinated Notes €500,000,000 0120950515/ €240,435,000 €229,509,000 Passed 7.50 per cent. XS0120950158 Step-Up Callable Perpetual Reserve Capital Instruments U.S.$100,000,000 001056093/ U.S.$100,000,000 $98,980,000 Passed Subordinated IE000018962 Primary Capital Perpetual Floating Rate Notes Description of Common Outstanding Aggregate Results of the the PPS code/ISIN nominal amount nominal amount Extraordinary prior to of PPS validly Resolutions in settlement of tendered respect of the the LP Offer PPS AIB UK I LP 020810505/ €191,398,000 €187,390,000 Passed €1,000,000,000 XS0208105055 Fixed Rate/Floating Rate Guaranteed Non-voting Non- cumulative Perpetual Preferred Securities AIB UK 2 LP 025773403/ €95,041,000 €94,624,000 Passed €500,000,000 XS0257734037 Fixed Rate/Floating Rate Guaranteed Non-voting Non- cumulative Perpetual Preferred Securities AIB UK 3 LP 025757106/ £36,728,000 £36,728,000 Passed £350,000,000 XS0257571066 Fixed Rate/Floating Rate Guaranteed Non-voting Non- cumulative Perpetual Preferred Securities Payment of the Purchase Price in respect of Notes (other than the Delayed Settlement Notes) and PPS validly tendered in the relevant Offer and accepted for purchase is expected to be made on Friday, 17 June 2011. GENERAL Holders are advised to read carefully the Tender and Consent Memorandum for full details of, and information on, the Offers. Requests for information in relation to the Offers should be directed to the Dealer Manager: THE DEALER MANAGER J.P. Morgan Securities Ltd. 125 London Wall London EC2Y 5AJ United Kingdom For information by telephone: +44 (0) 20 7779 2468 Attention: Ryan O'Grady - FIG Syndicate Email:ryan.ogrady@jpmorgan.com For information by telephone: +44 (0) 20 7777 1333 Attention: Sebastien Bamsey - Liability Management Email:sebastien.m.bamsey@jpmorgan.com Requests for information, documents or materials relating to the Offers should be directed to the Tender and Tabulation Agent: THE TENDER AND TABULATION AGENT Lucid Issuer Services Limited Leroy House 436 Essex Road London N1 3QP United Kingdom For information by telephone: +44 20 7704 0880 For information by facsimile: +44 20 7067 9098 Attention: Yves Theis / David Shilson Email:aib@lucid-is.com This announcement must be read in conjunction with the Tender and Consent Memorandum. This announcement does not constitute an offer to sell or buy or the solicitation of an offer to sell or buy the Notes or PPS. This announcement is distributed by Thomson Reuters on behalf of Thomson Reuters clients. The owner of this announcement warrants that: (i) the releases contained herein are protected by copyright and other applicable laws; and (ii) they are solely responsible for the content, accuracy and originality of the information contained therein. Source: Allied Irish Banks, p.l.c. via Thomson Reuters ONE [HUG#1524135]