Document regarding Listing Particulars

Tullow Oil PLC
2 August 2000


Doc Re Proposed Acquisition of a portfolio of United Kingdom Continental Shelf
Southern Gas Basin Interests.
Proposed Placing of 77,000,000 New Ordinary Shares at Stg 571/2p (Euro 0.93,
IR 73.24p) per share and Open Offer of 39,322,026 of those New Ordinary Shares
on the basis of 1 New Ordinary Share for every 7 Existing Ordinary Shares

A copy of the above document has been submitted to the UK Listing Authority
and will shortly be available for inspection at the UK Listing Authority's
Document Viewing Facility, which is situated at:

Financial Services Authority
25 The North Colonnade
Canary Wharf
London
E14 5HS

Tel. no. (0)20 7676 1000

(Documents will normally be available for inspection within six normal
business hours of this notice being given).