Annual Information Update

Tullow Oil PLC
08 May 2006

Tullow Oil plc



8 May 2006





                         Tullow Oil plc (the 'Company')



   Annual Information Update for the 12 months up to and including 8 May 2006



In accordance with Prospectus Rule 5.2 the Company gives notice that the
following information has been published or made available to the public over
the previous 12 months.



1. Regulatory Announcements



The following regulatory announcements have been made by the Company via RNS, a
Regulatory Information Service:


Date of Announcement         Regulatory Headline



8 May 2006                   Blocklisting Interim Review

3 May 2006                   Document Availability
28 April 2006                Director/PDMR Shareholding
7 April 2006                 Director/PDMR Shareholding
5 April 2006                 Director/PDMR Shareholding
3 April 2006                 Director's Awards

3 April 2006                 Director's Awards
29 March 2006                Director Declaration

29 March 2006                Preliminary Results
13 March 2006                Uganda Well Update
7 March 2006                 Uganda Well Update
16 February 2006             Management Change
31 January 2006              Trading Statement
24 January 2006              Holding in Company
17 January 2006              Well Update
6 January 2006               Joint Corporate Brokers

6 January 2006               Farm-in Agreement
4 January 2006               Director Shareholding/PDMR

4 January 2006               Director Shareholding/PDMR
21 December 2005             Director Shareholding/PDMR
20 December 2005             Wells Update
16 December 2005             Holding in Company
6 December 2050              Drilling & Acquisition Update
25 November 2005             Brochure of Particulars
17 November 2005             Holding in Company
11 November 2005             Farm-in agreement
7 November 2005              Blocklisting Interim Review
12 October 2005              Analyst Visit Notification
6 October 2005               Holding in Company
4 October 2005               Director/PDMR Shareholding
14 September 2005            Interim Results
13 September 2005            Holding(s) in Company
25 August 2005               First Gas from Munro
24 August 2005               Holding(s) in Company
23 August 2005               IFRS Statement
2 August 2005                Holding(s) in Company
27 July 2005                 Holdings in Company
13 July 2005                 Trading Statement
5 July 2005                  Director Shareholding

5 July 2005                  Transactions of Directors etc.
29 June 2005                 AGM Resolutions

29 June 2005                 AGM Statement
14 June 2005                 UK Business Unit Update
7 June 2005                  Holding in Company
27 May 2005                  Holding(s) in Company
24 May 2005                  Annual Report and Accounts
9 May 2005                   Dividend Timetable

Copies of the documents published via RNS may be obtained from the Regulatory News Service provided by the
London Stock Exchange (www.londonstockexchange.com/en-gb/pricesnew) market news under code TLW and at the
Company's website at www.tullowoil.com.



2. Documents filed with the Registrar of Companies



The following documents have been filed by the Company with the Registrar of Companies at Companies House:


Date of Filing               Type        Description of Document



27 April 2006                88(2)R      Return of Allotment of Shares (2)
18 April 2006                288a        Appointment of Director
24 March 2006                363s        Annual Return made up to 4 February 2006
23 February 2006             88(2)R      Return of Allotment of Shares (2)
18 January 2006              88(2)R      Return of Allotment of Shares (2)
20 December 2005             88(2)R      Return of Allotment of Shares(2)
27 October 2005              88(2)R      Return of Allotment of Shares (2)
20 September 2005            403a        Declaration of Mortgage/Charge (6)
20 September 2005            88(2)R      Return of Allotment of Shares
2 September 2005             395         Particulars of Mortgage/Charge (3)
19 August 2005               88(2)R      Return of Allotment of Shares (2)
5 August 2005                AA          Report and Accounts for year end 31 December 2004
26 July 2005                 287         Registered Office change
19 July 2005                 RES 11      Certified copy of Resolution disapplying pre-emption rights
2 July 2005                  395         Particulars of Mortgage/Charge
17 June 2005                 88(2)R      Return of Allotment of Shares
12 May 2005                  88(2)R      Return of Allotment of Shares


Copies of the documents listed above can be obtained from Companies House, Crown Way, Cardiff CF14 3UZ
(email: [e-mail]) or, if you are a registered user, through Companies House Direct
at www.direct.companieshouse.gov.uk.



3. Documents sent to shareholders or lodged with the UKLA and Irish Stock
Exchange Document Viewing Facilities



The following documents have been sent to the Company's shareholders and lodged
with the UKLA and Irish Stock Exchange Document Viewing Facilities:



Date                             Brief description of Document(s)



3 May 2006                 2005 Annual Report and Accounts and Circular
regarding the 2006 Annual General Meeting

3 Oct 2005                  2005 Interim Report

24 May 2005               2004 Annual Report and Accounts and Circular regarding
the 2005 Annual General Meeting



Copies of these documents may be viewed 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 and at the Irish Stock Exhange's
Document Viewing Facility which is situated at 28 Anglesea Street, Dublin 2,
Ireland.



The information referred to in this update was current at the time of
publication but some information may now be out of date. The Company does not
undertake any obligation to update any such information in the future. No
representation is made as to the accuracy or the completeness of such
information and neither this Annual Information Update, nor the information
referred to above, constitutes an offer of any securities nor a recommendation
in respect of any securities



Copies of this Annual Information Update and the documents referred to within it
are held at and can be obtained from the Company Secretary at the registered
office of the Company, 3rd Floor, Building 11, Chiswick Park, 566 Chiswick High
Road, London W4 5YS.



Inquiries



Tom Hickey

+ 44 208 996 1000



















This announcement has been issued through the Companies Announcement Service of

                           The Irish Stock Exchange.








                      This information is provided by RNS
            The company news service from the London Stock Exchange