11 January 2012 Heritage Oil Plc ("Heritage") Heritage - Transactions in Own Shares

Heritage Oil Plc, an independent upstream exploration and production company, announces that on 10 January 2012 it purchased 10,545 Ordinary Shares to be held in treasury at 178.0 pence per share. Following this purchase, Heritage Oil Plc holds 33,281,107 Ordinary Shares in treasury, and has 256,466,923 Ordinary Shares in issue (excluding treasury shares) as well as 2,811,408 exchangeable shares of no par value of Heritage Oil Corporation, each carrying one voting right in Heritage.
The total number of voting rights in Heritage, excluding treasury shares, as at 10 January
2012 is 259,278,331.
The above figure (259,278,331) may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, Heritage under the FSA's Disclosure and Transparency Rules.
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For further information please contact: Heritage Oil Plc

Tony Buckingham, CEO / Paul Atherton, CFO
+44 (0) 1534 835 400 info@heritageoilplc.com

Heritage Oil Plc - Investor Relations

Tanya Clarke
+44 (0) 20 7518 0838 tanya.clarke@heritageoilplc.com

Media Enquiries

Nick Lambert / Duncan Mayall
+44 (0) 20 7861 3936 / +44 (0) 20 7861 3888
NLambert@pelhambellpottinger.co.uk / DMayall@pelhambellpottinger.co.uk

Canada

Cathy Hume / Jeanny So
+1 416 868 1079 x231 / x225
cathy@chfir.com / jeanny@chfir.com

Notes to Editors