SECURITIES AND EXCHANGE COMMISSION
 

Washington, D.C. 20549
 


FORM 6-K
 


Report of Foreign Private Issuer
 


Pursuant to Rule 13a-16 or 15d-16
of the Securities Exchange Act of 1934
 


For the month of September 2009


 

RYANAIR HOLDINGS PLC
(Translation of registrant's name into English)
 
 

c/o Ryanair Ltd Corporate Head Office
Dublin Airport
County Dublin Ireland
(Address of principal executive offices)
 
 
 
Indicate by check mark whether the registrant files or will file annual
reports under cover Form 20-F or Form 40-F.
 
 
Form 20-F..X.. Form 40-F.....
 
 

Indicate by check mark whether the registrant by furnishing the information
contained in this Form is also thereby furnishing the information to the
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange
Act of 1934.
 
 
Yes ..... No ..X..
 
 

If "Yes" is marked, indicate below the file number assigned to the registrant
in connection with Rule 12g3-2(b): 82- ________
 
 
 

 


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:
    
    
August 31
, 2009
 
6.
    Date on which issuer notified;
    
    
September 1
, 2009
 
7. 
    Threshold(s) that is/are crossed or reached: 
    
    4
%
 
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
Resulting situation after the triggering transaction
Number of Shares
Number of Voting rights
Number of shares
Number of voting rights
% of voting rights
Direct
Direct
Indirect
Direct
Indirect








Ordinary Shares (ISIN CODE: IE00B1GKF381)
58
,
446,300
 (on a converted basis from 
11,689,260
ADR shares)
58,446,300 (on a converted basis from 
11,689,260
ADR shares)
59,196,300
 (on a converted basis from 
11,839,260
 ADR shares)
59,196,300 (on a converted basis from 
11,839,260 ADR shares)

4.01
%

SUBTOTAL A
 (based on aggregate voting rights)



59,196,300 (on a converted basis from 11,839,260 ADR shares)
4.01
%



B) Financial Instruments
Resulting situation after the triggering transaction
Type of financial instrument 
Expiration Date
Exercise/Conversion Period/ Date
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

59,196,300 (on a converted basis from 11,839,260 ADR shares)
4.01%



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 
1 September 
2009
.

 
 
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 49
th
 St., 14
th
 Floor
New York, NY 10017
U.S.A.
Phone number 
(212) 421-9760
Other useful information (at least legal representative for legal persons)
Thomas D. Stern


b) 
    
Identity of the notifier, if applicable
: 

Full name 
Thomas D. Stern

Contact address 
12 East 49
th
 St., 14
th
 Floor
New York, NY 10017
Phone number 
(212) 421-9760
Other useful information (e.g. functional relationship with the person or legal entity subject to the notification obligation)
Managing Director


c)
    
Additional information
 


 

SIGNATURES
 

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.
 
 

 

RYANAIR HOLDINGS PLC




Date:  02 September, 2009

 

 

By:___/s/ Juliusz Komorek____
   
 

Juliusz Komorek
 

Company Secretary