TULLOW OIL PLC

Major Shareholding Notification • Jan 16, 2013

National Storage Mechanism | Additional information

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RNS Number : 7278V

Tullow Oil PLC

16 January 2013

TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES

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

TULLOW OIL PLC

2. Reason for the notification (please tick the appropriate box or boxes)

An acquisition or disposal of voting rights:                                                ( X )

An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached:                 (    )

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments                                                                                     (    )

An event changing the breakdown of voting rights:                                   (    )

Other (please specify):                                                                                  (    )

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

Genesis Asset Managers, LLP

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 if different):

14 January 2013

6. Date on which issuer notified:

15 January 2013

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

Holding has gone above 5%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type of shares if possible using the ISIN CODE		Situation previous to the Triggering transaction
Ord 10p GB0001500809		Number of shares 45,199,514		Number of Voting Rights 33,300,795
Resulting situation after the triggering transaction
Class/type of shares if possible using the ISIN CODE	Number of shares		Number of voting rights			% of voting rights
	Direct		Direct		Indirect	Direct		Indirect
Ord 10p GB0001500809	46,199,514 (5.08%)		34,047,805		0	3.75%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction (xii)

Type of financial instrument	Expiration Date (xiii)	Exercise/Conversion Period/ Date (xiv)	Number of voting rights that may be acquired if the instrument is exercised/ converted.	% of voting rights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

Resulting situation after the triggering transaction
Type of financial instrument	Exercise Price	Exercise date xvii	Exercise / Conversion Period xviii	Number of voting rights instruments refers to	% of voting rights xix, xx

Total (A+B+C)

Number of voting rights	% of voting rights
34,047,805	3.75%

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

Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will cease to hold:

12. Date on which proxy holder will cease to hold voting rights:

13. Additional information:

14. Contact name:

Richard Taylor, Deputy Company Secretary

15. Contact telephone number:

0203 249 9385

This information is provided by RNS

The company news service from the London Stock Exchange

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