IRSH: Elan Corporation plc: Holding(s) in Company

  IRSH: Elan Corporation plc: Holding(s) in Company

UK Regulatory Announcement

DUBLIN

                              STANDARD FORM TR-1

   VOTING RIGHTS ATTACHED TO SHARES– ARTICLE 12(1) OF DIRECTIVE 2004/109/EC

FINANCIAL INSTRUMENTS – ARTICLE 11(3) OF THE COMMISSION DIRECTIVE 2007/14/EC^1

This notification is for filing purposes only in accordance with Regulation 22
of the Transparency (Directive 2004/109/EC) Regulations 2007.

1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached ^ 2: Elan Corporation 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 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^3: FMR LLC

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

5. Date of the transaction and date on which the threshold is crossed or
reached^5: 12th February 2013

6. Date on which issuer notified; 13th February 2013

7. Threshold(s) that is/are crossed or reached: 11%

8. Notified details:

A) Voting rights attached to shares
Class/type     Situation previous to
of shares     the Triggering           Resulting situation after the triggering transaction^7
(if possible   transaction ^6
using the      Number of   Number of    Number of   Number of voting         % of voting
ISIN CODE)     Shares^8     Voting       shares^10    rights^11                 rights
                            rights^9     Indirect     Direct^12  Indirect^13   Direct  Indirect
IE0003072950   67,762,410   67,762,410   64,016,010              64,016,010            10.75
                                                                                  
SUBTOTAL A
(based on
aggregate      67,762,410   67,762,410   64,016,010   64,016,010                10.75
voting
rights)

B) Financial Instruments
Resulting situation after the triggering transaction^14
                                                 Number of voting
Type of       Expiration   Exercise/Conversion   rights that may be    % of
financial    Date^15     Period/ Date^16      acquired if the      voting
instrument                                       instrument is         rights
                                                 exercised/converted
                                                                   
                                                                   
                           SUBTOTAL B (in
                           relation to all                            
                           expiration dates)

Total (A+B)  number of voting rights  % of voting rights
             64,016,010                10.75

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments  are effectively held, if applicable^17:

                                                               
Sum of Factored Shares Held                                       
Custodian                     Advisor                              Total
BROWN BROTHERS HARRIMAN AND   FMRC-FIDELITY MANAGEMENT &           400,000
CO                            RESEARCH COMPANY INC.
                             FMR-FIDELITY MANAGEMENT AND          4,834,698
                              RESEARCH
CITIBANK NA (C)               FMR-FIDELITY MANAGEMENT AND          42,818,372
                              RESEARCH
DEUTSCHE BANK AG LDN BRANCH   PGALLC-PYRAMIS GLOBAL ADVISORS,      20,100
                              LLC.
GOLDMAN SACHS AND CO          PGALLC-PYRAMIS GLOBAL ADVISORS,      12,700
                              LLC.
JPMORGAN CHASE BANK           FMRC-FIDELITY MANAGEMENT &           1,019,500
                              RESEARCH COMPANY INC.
                             FMR-FIDELITY MANAGEMENT AND          2,113,551
                              RESEARCH
MELLON BANK NA (C)            FMR-FIDELITY MANAGEMENT AND          1,150,900
                              RESEARCH
                             SAI-STRATEGIC ADVISERS GROUP         153,662
MERRILL LYNCH PRIME BROKER    PGALLC-PYRAMIS GLOBAL ADVISORS,      3,800
(C)                           LLC.
MORGAN STANLEY AND CO LLC     PGALLC-PYRAMIS GLOBAL ADVISORS,      231,100
                              LLC.
NATIONAL FINANCIAL            SAI-STRATEGIC ADVISERS GROUP         680
SERVICES(C)
NORTHERN TRUST CO (C)         FMR-FIDELITY MANAGEMENT AND          1,515,300
                              RESEARCH
STATE STREET BANK AND TR CO   FMR-FIDELITY MANAGEMENT AND          9,741,647
                              RESEARCH
Grand Total                                                       64,016,010

10. In case of proxy voting:  Number of voting rights proxy holder will
dispose –

3,746,400

11. Additional information:

Contact:

Elan Corporation plc