Allied Irish Banks - Blocklisting Six Month Return

RNS Number:1777R
Allied Irish Banks PLC
31 March 2008

SCHEDULE 5

BLOCKLISTING SIX MONTHLY RETURN

To: Listing Applications

UK Listing Authority

Financial Services Authority

25, The North Colonnade

Canary Wharf,London, E14 5HS

1. Name of company
Allied Irish Banks, p.l.c.

2. Name of scheme
Allfirst Financial Stock Option Plan

3. Period of return:
From 1 October 2007 to 31 March 2008

4. Number and class of share(s) (amount of stock / debt security) not issued under scheme
(at commencement of above period)
Irish Stock Exchange: 86,598

London Stock Exchange: 182,598

5. Number of shares issued / allotted under scheme during period:
Irish Stock Exchange: NIL

London Stock Exchange: NIL

6. Balance under scheme not yet issued / allotted at end of period:
Irish Stock Exchange: 86,598

London Stock Exchange: 182,598

7. Number and class of share(s) (amount of stock / debt securities) originally listed and
the date of admission:
693,798 Ordinary Shares, €0.32 each (nominal), admitted to listing on 28 March, 2002

Please confirm total number of shares in issue at the end of the period in order for us to
update our records

918,435,570 (inclusive of 37,775,504 Treasury Shares)

Contact for queries
Name Mr. David O'Callaghan, Assistant Secretary
Address Allied Irish Banks, p.l.c., Bankcentre, Ballsbridge, Dublin 4.
Telephone +353 1 641 4672

Person making the return
Name Mr. David O'Callaghan
Position Assistant Secretary,
Signature

This information is provided by RNS
The company news service from the London Stock Exchange
END

BLRDGGFFFMDGRZM