Heritage Oil Limited (the "Company") Holding(s) in Company

CALGARY, ALBERTA, May 18 (MARKET WIRE) --
TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES

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

Heritage Oil Limited Ord NPV

2. Reason for the notification:

An acquisition or disposal of voting rights

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

London & Capital Satellites SPC

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

BNP Paribas Securities Nominees Ltd. a/c LCAM (formerly Harrier Holdings
Ltd re LCAM)

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

14 May 2009

6. Date on which issuer notified:

18 May 2009

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

4.0% to 3.0%

8. Notified details:

------------------------------------------
A: Voting rights attached to shares
------------------------------------------
Class/type
of shares if Situation previous to the
possible Triggering transaction
using the --------------------------
ISIN CODE Number of Number of
Shares Voting
Rights
------------------------------------------
JE00B2Q4TN56 10,499,606 10,499,606
------------------------------------------

--------------------------------------------------------------
A: Voting rights attached to shares
--------------------------------------------------------------
Class/type
of shares Resulting situation after
if possible the triggering transaction
using the ------------------------------------------------
ISIN CODE Number of Number of % of voting
shares voting rights rights
------------------------------------------------
Direct Direct Indirect Direct Indirect
--------------------------------------------------------------
JE00B2Q4TN56 9,903,861 9,903,861 3.86%
--------------------------------------------------------------

---------------------------------------------------------------------------
B: Financial Instruments
---------------------------------------------------------------------------
Resulting situation after the triggering transaction
---------------------------------------------------------------------------
Type of Expiration Exercise/ Number of voting rights % of voting
financial date Conversion that may be acquired rights
instrument Period/ Date if the instrument is
exercised/ converted.
---------------------------------------------------------------------------
n/a n/a n/a n/a n/a
---------------------------------------------------------------------------

-----------------------------------------------
Total (A+B)
-----------------------------------------------
Number of voting rights % of voting rights
-----------------------------------------------
9,903,861 3.86%
-----------------------------------------------

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:

BNP Paribas / BNP Paribas Securities Nominees Ltd. a/c LCAM

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

n/a

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

n/a

13. Additional information:

14. Contact name:

David Bashford

15. Contact telephone number:

020 7396 3283

Contacts:
Heritage Oil Limited
Paul Atherton
+44 (0) 1534 835 400

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