Holding in Company

Ryanair Holdings PLC
21 February 2008





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.         Identity of the issuer or the underlying issuer of existing shares to
which voting rights are attached:

Ryanair Holdings 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:

                        Chieftain Capital Management, Inc.

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

5.         Date of the transaction and date on which the threshold is crossed or
reached:

                        January 10, 2008

6.         Date on which issuer notified;

                        February 15, 2008

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

                        5%

8.         Notified details:


A) Voting rights attached to shares
Class/type of shares Situation previous to   Resulting situation after the triggering transaction
(if possible using   the Triggering
the ISIN CODE)       transaction
                     Number of   Number of   Number of    Number of voting     % of voting rights
                     Shares      Voting      shares       rights
                                 rights      Direct       Direct     Indirect  Direct     Indirect

Ordinary Shares      75,127,050  75,127,050  76,822,550   76,822,550           5.1%
(ISIN CODE:          (on a       (on a       (on a        (on a
IE00B1GKF381)        converted   converted   converted    converted
                     basis from  basis from  basis from   basis from
                     15,025,410  15,025,410  15,364,510   15,364,510
                                             ADR shares)   ADR
                     ADR shares) ADR shares)              shares)
SUBTOTAL A (based on                                      76,822,550 (on a     5.1%
aggregate voting                                          converted basis from
rights)                                                   15,364,510  ADR
                                                          shares)


B) Financial Instruments
Resulting situation after the triggering transaction
Type of financial   Expiration Date    Exercise/Conversion   Number of voting       % of voting rights
instrument                             Period/ Date          rights that may be
                                                             acquired if the
                                                             instrument is
                                                             exercised/converted


                                       SUBTOTAL B (in
                                       relation to all
                                       expiration dates)


Total (A+B)                                         number of voting rights    % of voting rights
                                                    76,822,550 (on a converted 5.1%
                                                    basis from 15,364,510  ADR
                                                    shares)



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

10.       In case of proxy voting: (name of the proxy holder) will cease to hold
(number) voting rights as of (date). N/A

11.       Additional information:

Done at New York, NY on 18/2/2008.






Annex to the standard form TR-1

a)         Identity of the person or legal entity subject to the notification
obligation:
Full name (including legal form for legal entities)      Chieftain Capital Management, Inc.
Contact address (registered office for legal entities)   12 East 49th St., 14th Floor

                                                         New York, NY  10017

                                                         U.S.A.
Phone number                                             [phone]
Other useful information (at least legal representative  Thomas D. Stern
for legal persons)

b)         Identity of the notifier, if applicable:
Full name                                                Thomas D. Stern


Contact address                                          12 East 49th St., 14th Floor

                                                         New York, NY  10017
Phone number                                             [phone]
Other useful information (e.g. functional relationship   Managing Director
with the person or legal entity subject to the
notification obligation)

c)                  Additional information





This announcement has been issued through the Companies Announcement Service of

                           The Irish Stock Exchange.




                      This information is provided by RNS
            The company news service from the London Stock Exchange