Holding(s) in Company

RNS Number : 4748J

Tullow Oil PLC

07 April 2015




TR-1: NOTIFICATION OF MAJOR INTEREST 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 qualifying 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:	The Capital Group Companies, Inc.
4. Full name of shareholder(s) (if different from 3.):	See Box 9
5. Date of the transaction and date on which the threshold is crossed or reached:	1 April 2015
6. Date on which issuer notified:	2 April 2015
7. Threshold(s) that is/are crossed or reached:	Above 11%

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

Indirect

Direct

Indirect

Ordinary Shares

(ISIN: GB0001500809)

99,294,141

99,626,042

10.9368%

ADRs

(ISIN: US8994152028)

1,209,138

604,569

605,812

0.0665%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial
instrument

Expiration
date

Exercise/
Conversion Period

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

Expiration date

Exercise/
Conversion period

Number of voting rights instrument refers to

% of voting rights

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

100,231,854

11.0033%

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

	Number of Shares	Percent of Outstanding
The Capital Group Companies, Inc. ("CG") holdings	100,231,854	11.003%
Holdings by CG Management Companies and Funds:
Capital Guardian Trust Company	11,908,065	1.307%
Capital International Limited	416,300	0.046%
Capital International SÁrl	2,272,746	0.249%
Capital International, Inc.	3,157,218	0.347%
Capital Research and Management Company	82,477,525	9.054%