REG-Elan Corporation plc Holding(s) in Company

http://www.businesswire.com/news/home/20091005005678/en

LONDON--(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

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):

[] 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

[X] an event changing the breakdown of voting rights

3. Full name of person(s) subject to the notification obligation3:

Wellington Management Company, LLP

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

Bank of New York

BNP Paribas

BNY Mellon

Citibank

JP Morgan Chase

Master Trust Bank of Japan Ltd.

Northern Trust

State Street

5. Date of the transaction and date on which the threshold is crossed or
reached5: 01 October 2009

6. Date on which issuer notified; 02 October 2009

7. Threshold(s) that is/are crossed or reached: 6%

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
Direct Direct12 Indirect13 Direct Indirect
Ordinary 28,633,139 (1,692,646 ordinary shares and 26,940,493 ADR shares or 28,633,139 ordinary shares on a 28,633,139 (1,692,646 ordinary 30,510,458 (1,693,629 ordinary shares and 28,816,829 ADR shares or 30,510,458 ordinary shares on a 5.23%
converted basis) shares and 26,940,493 ADR shares converted basis)
or 28,633,139 ordinary shares on
a converted basis)

SUBTOTAL A (based on aggregate voting rights) 30,510,458 (1,693,629 ordinary shares and 28,816,829 ADR shares or 30,510,458 ordinary shares on a converted basis) 5.23%

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
30,510,458 (1,693,629 ordinary shares and 28,816,829 ADR shares or 30,510,458 ordinary shares on a converted basis) 5.23%

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

Bank of New York - 28,816,829 shares

BNP Paribas - 218,376 shares

BNY Mellon - 699,486 shares

Citibank - 6,496 shares

JP Morgan Chase - 104,433 shares

Master Trust Bank of Japan Ltd. - 111,039 shares

Northern Trust - 285,668 shares

State Street - 268,131 shares

10. In case of proxy voting:[name of the proxy holder] will cease to hold
[number] voting rights as of [date].

11. Additional information:

Done at [place] on [date].

1 This form is to be sent to the issuer or underlying issuer and to be filed
with the competent authority.

2 Either the full name of the legal entity or another method for identifying the
issuer or underlying issuer, provided it is reliable and accurate.

3 This should be the full name of (a) the shareholder; (b) the natural person or
legal entity acquiring, disposing of or exercising voting rights in the cases
provided for in Article 10 (b) to (h) of Directive 2004/109/EC; (c) all the
parties to the agreement referred to in Article 10 (a) of that Directive, or (d)
the holder of financial instruments entitled to acquire shares already issued to
which voting rights are attached, as appropriate.

In relation to the transactions referred to in points (b) to (h) of Article 10
of that Directive, the following list is provided as indication of the persons
who should be mentioned:

- in the circumstances foreseen in letter (b) of Article 10 of that Directive,
the natural person or legal entity that acquires the voting rights and is
entitled to exercise them under the agreement and the natural person or legal
entity who is transferring temporarily for consideration the voting rights;

- in the circumstances foreseen in letter (c) of Article 10 of that Directive,
the natural person or legal entity holding the collateral, provided the person
or entity controls the voting rights and declares its intention of exercising
them, and natural person or legal entity lodging the collateral under these
conditions;

- in the circumstances foreseen in letter (d) of Article 10 of that Directive,
the natural person or legal entity who has a life interest in shares if that
person or entity is entitled to exercise the voting rights attached to the
shares and the natural person or legal entity who is disposing of the voting
rights when the life interest is created;

- in the circumstances foreseen in letter (e) of Article 10 of that Directive,
the controlling natural person or legal entity and, provided it has a
notification duty at an individual level under Article 9, under letters (a) to
(d) of Article 10 of that Directive or under a combination of any of those
situations, the controlled undertaking;

- in the circumstances foreseen in letter (f) of Article 10 of that Directive,
the deposit taker of the shares, if he can exercise the voting rights attached
to the shares deposited with him at his discretion, and the depositor of the
shares allowing the deposit taker to exercise the voting rights at his
discretion;

- in the circumstances foreseen in letter (g) of Article 10 of that Directive,
the natural person or legal entity that controls the voting rights;

- in the circumstances foreseen in letter (h) of Article 10 of that Directive,
the proxy holder, if he can exercise the voting rights at his discretion, and
the shareholder who has given his proxy to the proxy holder allowing the latter
to exercise the voting rights at his discretion.

4 Applicable in the cases provided for in Article 10 (b) to (h) of Directive
2004/109/EC. This should be the full name of the shareholder who is the
counterparty to the natural person or legal entity referred to in Article 10 of
that Directive unless the holdings of the shareholder would be lower than 5% of
the total number of voting rights.

5 The date of the transaction should normally be, in the case of an on exchange
transaction, the date on which the matching of orders occurs; in the case of an
off exchange transaction, date of the entering into an agreement. The date on
which threshold is crossed should normally be the date on which the acquisition,
disposal or possibility to exercise voting rights takes effect. For passive
crossings, the date when the corporate event took effect.

6 Please refer to the situation disclosed in the previous notification. In case
the situation previous to the triggering transaction was below 3%, please state
"below 3%".

7 If the holding has fallen below the minimum threshold, the notifying party
should not be obliged to disclose the extent of the holding, only that the new
holding is below 3%.

For the case provided for in Article 10(a) of Directive 2004/109/EC, there
should be no disclosure of individual holdings per party to the agreement unless
a party individually crosses or reaches an Article 9 threshold. This applies
upon entering into, introducing changes to or terminating an agreement.

8 To be used in Member States where applicable.

9 Direct and indirect.

10 To be used in Member States where applicable.

11 In case of combined holdings of shares with voting rights attached "direct
holding" and voting rights "indirect holding", please split the voting rights
number and percentage into the direct and indirect columns - if there is no
combined holdings, please leave the relevant box blank.

12 Voting rights attached to shares held by the notifying party (Article 9 of
Directive 2004/109/EC).

13 Voting rights held by the notifying party independently of any holding of
shares (Article 10 of Directive 2004/109/EC).

14 If the holding has fallen below the minimum threshold, the notifying party
should not be obliged to disclose the extent of the holding, only that the new
holding is below 3%.

15 Date of maturity/expiration of the financial instrument i.e. the date when
right to acquire shares ends.

16 If the financial instrument has such a period - please specify this period -
for example once every 3 months starting from [date].

17 The notification should include the name(s) of the controlled undertakings
through which the voting rights are held. The notification should also include
the amount of voting rights and the percentage held by each controlled
undertaking, insofar as individually the controlled undertaking holds 3% or
more, and insofar as the notification by the parent undertaking is intended to
cover the notification obligations of the controlled undertaking.

Elan Corporation plc

Copyright Business Wire 2009