TORONTO, Sept. 17 /CNW/ - The Company was notified on 16 September 2008 that Michael Hibberd, Chairman, acquired 75,000 Heritage ordinary shares of no par value ("shares") on the London Stock Exchange at a price of 182p per share. His notifiable shareholding in the Company following this transaction is 125,000 shares representing 0.05% of the Company's total voting rights outstanding and 1,150,000 options to acquire shares previously granted under the Company's 2008 Replacement Share Option Scheme.

This notification is made in accordance with DR 3.1.4R (1).

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 producing properties in Oman and Russia and exploration
    projects in Uganda, the Kurdistan Region of Iraq, the Democratic
    Republic of Congo, Malta, Pakistan, Tanzania and Mali.

%SEDAR: 00010129E