Holding(s) in Company

DUBLIN--(BUSINESS WIRE)--

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 transaction^7
	Number of Shares^8	Number of Voting rights^9	Number of shares^10	Number of voting rights^11		% of voting rights
			Indirect	Direct^12	Indirect^13	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 transaction^14
Type of financial instrument	Expiration Date^15	Exercise/Conversion Period/ Date^16	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: