LONDON, UNITED KINGDOM — (Marketwire) — 07/21/11 — Heritage Oil Plc (TSX: HOC)(LSE: HOIL)
TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES(i)
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:
Change in the issuer–s total voting rights
3. Full name of person(s) subject to the notification obligation:(iii)
Capital Research and Management Company
4. Full name of shareholder(s) (if different from 3):(iv)
5. Date of the transaction and date on which the threshold is crossed or reached:(v)
19 July 2011
6. Date on which issuer notified:
20 July 2011
7. Threshold(s) that is/are crossed or reached:(vi), (vii)
Above 11%
8. Notified details:
9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable:(xxi)
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:
15. Contact telephone number:
Contacts:
Enquiries:
Heritage Oil Plc
Paul Atherton
+44 1534 835 400