Block Listing Six Monthly Return

AVS No:

1.

Name of applicant: Elan Corporation, plc

2.

Name of scheme: Elan Corporation, plc 1999 Stock Option Plan; Elan Corporation, plc 1996 Long-Term Incentive Plan; Elan Corporation, plc 1998 Long-Term Incentive Plan; Elan Employee Share Purchase Plan; Elan 2006 Long-Term Incentive Plan; Elan 2004 RSU Plan and former Dura Shareholders

3.

Period of return: From: 28 Nov 2008 to: 28 May 2009

4.

Balance of unallotted securities under scheme(s) from previous return:

2,492,573

5.

Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

None

6.

Less: Number of securities issued/allotted under scheme(s) during period:

Elan Corporation, plc 1996 LT Incentive Plan:375

Elan Corporation, plc 1999 Stock Option Plan: 35,587

Elan Employee Share Purchase Plan: 226,432

Elan 2004 RSU Plan: 254,394

Elan 2006 LT Incentive Plan: 697,197

7.

Equals: Balance under scheme(s) not yet issued/allotted at end of period:

1,278,588

Name of contact:

Roland French

Telephone number of contact:

+353 1 672 4280