Holding(s) in Company

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/EC1

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 obligation3: 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 reached5: 6th February 2013

6. Date on which issuer notified; 7th February 2013

7. Threshold(s) that is/are crossed or reached: 13% & 12%

8. Notified details:

A) Voting rights attached to shares
Class/type of shares (if possible using the ISIN CODE)   Situation previous to the Triggering transaction 6   Resulting situation after the triggering transaction7
Number of Shares8   Number of Voting rights9 Number of shares10   Number of voting rights11   % of voting rights
Indirect Direct12   Indirect13 Direct   Indirect
IE0003072950 81,032,236 81,032,236 69,285,050   69,285,050   11.63
               
SUBTOTAL A (based on aggregate voting rights) 81,032,236 81,032,236 69,285,050 69,285,050 11.63
B) Financial Instruments
Resulting situation after the triggering transaction14
Type of financial instrument   Expiration Date15   Exercise/Conversion Period/ Date16   Number of voting rights that may be acquired if the instrument is exercised/converted   % of voting rights
         
         
SUBTOTAL B (in relation to all expiration dates)    
Total (A+B)   number of voting rights   % of voting rights
  69,285,050 11.63

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable17:

Sum of Factored Shares Held    
Custodian   Advisor Total
BROWN BROTHERS HARRIMAN AND CO FMRC-FIDELITY MANAGEMENT & RESEARCH COMPANY INC. 550,000
  FMR-FIDELITY MANAGEMENT AND RESEARCH 5,309,698
CITIBANK NA (C) FMR-FIDELITY MANAGEMENT AND RESEARCH 42,843,974
JPMORGAN CHASE BANK FMRC-FIDELITY MANAGEMENT & RESEARCH COMPANY INC. 1,236,500
  FMR-FIDELITY MANAGEMENT AND RESEARCH 6,113,689
MELLON BANK NA (C) FMR-FIDELITY MANAGEMENT AND RESEARCH 1,167,900
  SAI-STRATEGIC ADVISERS GROUP 153,662
NATIONAL FINANCIAL SERVICES(C) SAI-STRATEGIC ADVISERS GROUP 680
NORTHERN TRUST CO (C) FMR-FIDELITY MANAGEMENT AND RESEARCH 1,966,200
STATE STREET BANK AND TR CO FMR-FIDELITY MANAGEMENT AND RESEARCH 9,942,747
Grand Total 69,285,050

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

11,747,186

11. Additional information:

Short Name: Elan Corporation plc
Category Code: HOL
Sequence Number: 362813
Time of Receipt (offset from UTC): 20130208T171130+0000

Contacts

Elan Corporation plc

Sharing

Contacts

Elan Corporation plc