LONDON, UNITED KINGDOM--(Marketwired - Apr 4, 2014) - Heritage Oil Plc (the "Company") (TSX:HOC)(LSE:HOIL) -

TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARESi

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

Heritage Oil Plc

2. Reason for the notification:

An acquisition or disposal of voting rights

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

The Capital Group Companies, Inc

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

Capital Research and Management Company

  • SMALLCAP World Fund, Inc.
  • New World Fund, Inc.

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

1 April 2014

6. Date on which issuer notified:

2 April 2014

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

9%

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 Resulting situation after the triggering transaction
Number of shares Number of voting rights % of voting rights x
Number of Shares Number of Voting Rights Indirect Direct xi Indirect xii Direct Indirect
JE00B2Q4TN56 24,870,218 24,870,218 24,547,051 8.8322%
B: Financial Instruments
Resulting situation after the triggering transaction
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 xv,xvi
Resulting situation after the triggering transaction
Type of financial instrument Exercise price Expiration date xvii Exercise/ Conversion period xviii Number of voting rights instrument refers to % of voting rights xix,xx
Nominal Delta
Total (A+B+C)
Number of voting rights % of voting rights
24,547,051 8.8322

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

Capital Research and Management Company

  • SMALLCAP World Fund, Inc.
  • New World Fund, Inc.

Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will acquire:

12. Date on which proxy holder will acquire voting rights:

13. Additional information:

Based on total voting rights of 277,925,878

14. Contact name:

Christopher Aquino

15. Contact telephone number:

+1 (213) 615-0469