27 April 2010                         

Heritage Oil Plc

("Heritage" or the "Company")

NOTICE OF RESULTS

Heritage Oil Plc (LSE: HOIL), an independent upstream exploration and production company, will announce its full year results for the twelve months ended 31 December 2009 on Friday, 30 April 2010.

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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

Pelham Bell Pottinger - PR - Europe

Nick Lambert / Duncan Mayall

+44 (0) 20 7861 3936 / +44 (0) 20 7861 3888

NLambert@pelhambellpottinger.co.uk / DMayall@pelhambellpottinger.co.uk

CHF Investor Relations - Investor Relations - Canada

Cathy Hume / Jeanny So

+1 416 868 1079 x231 / x225

cathy@chfir.com / jeanny@chfir.com

Notes to Editors

·    Heritage is listed on the Main Market of the London Stock Exchange and is a constituent of the FTSE 250 Index.  The trading symbol is HOIL.  Heritage has a further listing on the Toronto Stock Exchange (TSX: HOC).

·   Heritage is an independent upstream exploration and production company engaged in the exploration for, and the development, production and acquisition of, oil and gas in its core areas of Africa, the Middle East and Russia. 

·    Heritage has a producing property in Russia and exploration projects in Uganda, the Kurdistan Region of Iraq, the Democratic Republic of Congo, Malta, Pakistan, Tanzania and Mali. 

·    For further information please refer to our website, www.heritageoilplc.com

This press release is not for distribution to United States Newswire Services or for dissemination in the United States.

If you would prefer to receive press releases via email please contact Jeanny So (jeanny@chfir.com) and specify "Heritage press releases" in the subject line.