Regulatory News

For Immediate Release

5 October 2009

DRAGON OIL PLC 
("Dragon Oil")  

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/ECi

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

[] Other: 

3. Full name of person(s) subject to the notification obligationiii: JPMorgan Chase & Co.

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

J.P. Morgan Investment Management Inc.

JPMorgan Asset Management (UK) Limited

JF Asset Management Limited

5. Date of the transaction and date on which the threshold is crossed or reachedv: 30 September 2009

6. Threshold(s) that is/are crossed or reached: 3%

7. Notified details: 

A: Voting rights attached to shares
Class/type of shares If possible use 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		Percentage of voting rights
				Direct	Indirect	Direct	Indirect
IE0000590798	15,262,066	15,262,066	15,634,093		15,634,093		3.04%

SUBTOTAL A (based on aggregate voting rights)  15,634,093

B: Financial Instruments
Resulting situation after the triggering transaction
Type of financial instrument	Expiration date	Exercise/ conversion period/date	No. of voting rights that may be acquired (if the instrument exercised/converted)	Percentage of voting rights
Nil
SUBTOTAL B (in relation to all expiration dates)  Nil

Total (A+B)  15,634,093

number of voting rights 15,634,093

% of voting rights  3.04%

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

Total disclosable holding for JPMorgan Chase & Co.: 15,634,093 (3.04%)

Holdings by controlled undertakings of JPMorgan Chase & Co. are as follows:

J.P. Morgan Investment Management Inc.

JPMorgan Asset Management (UK) Limited 

JF Asset Management Limited

JF Asset Management (Taiwan) Limited 

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

10. Additional information: N/A

Done at [place] on [date]

This announcement has been issued through the Companies Announcement Service of

The Irish Stock Exchange

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