Annual Information Update

Tullow Oil PLC
09 May 2007

Tullow Oil plc

9 May 2007





                         Tullow Oil plc (the 'Company')



              Annual Information Update - 9 May 2006 to 8 May 2007



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 2007                   Blocklisting
30 April 2007                Total Voting Rights
23 April 2007                Director/PDMR Shareholding
20 April 2007                Document Availability
4 April 2007                 Director / PDMR Shareholding

4 April 2007                 Kudu Project Partner
30 March 2007                Total Voting Rights
28 March 2007                Purchase of Shares
23 March 2007                Director / PDMR Shareholding
21 March 2007                Preliminary Results
16 March 2007                Brochure of Particulars
1 March 2007                 Well Test Results
28 February 2007             Total Voting Rights
16 February 2007             Kingfisher Well Update
13 February 2007             Holding in Company
2 February 2007              24th Licensing Round Awards
1 February 2007              Total Voting Rights
31 January 2007              Trading Statement
24 January 2007              Holding in Company
22 January 2007              Holding(s) in Company
22 January 2007              Total Voting Rights
19 January 2007              Director / PDMR Shareholding
15 January 2007              Kingfisher 1A Well, Uganda
11 January 2007              Holding(s) in Company
11 January 2007              Hardman Resources Limited: Tullow Scheme Implemented
10 January 2007              Total Voting Rights
5 January 2007               Additional Listing
5 January 2007               Holding in Company
5 January 2007               Hardman Resources Limited: Allocation of Tullow Shares
4 January 2007               Director / PDMR Shareholding
28 December 2006             Voting Rights and Capital
21 December 2006             Director / PDMR Shareholding
21 December 2006             Operational Update
20 December 2006             Holding(s) in Company
20 December 2006             Acquisition Approved
7 December 2006              Director Declaration
6 December 2006              Board Appointment
16 November 2006             Well Test Update
14 November 2006             Holding(s) in Company
14 November 2006             Well Test Update
8 November 2006              Well Redevelopment Update
7 November 2006              Well Test Update
6 November 2006              Blocklisting Interim Report
6 November 2006              Well Test Update
17 October 2006              Capital Markets Day
13 October 2006              Holding(s) in Company
11 October 2006              MOU signed with Ugandan Government
10 October 2006              Exploration Well Update
4 October 2006               Director / PDMR Shareholding
25 September 2006            Recommended Offer for Hardman
19 September 2006            Holding in Company
19 September 2006            UK Business Update
8 September 2006             Employee Trust Share Purchase
6 September 2006             Interim Results
22 August 2006               Well Test Update
15 August 2006               Well Test Update
8 August 2006                Well Update
3 August 2006                Business Update
10 July 2006                 Well Test Update
7 July 2006                  Employee Trust
6 July 2006                  Director / PDMR Shareholding
6 July 2006                  Director / PDMR Shareholding
5 July 2006                  Director / PDMR Shareholding
5 July 2006                  Trading Statement
4 July 2006                  Well Update
27 June 2006                 Well Test Update
23 June 2006                 Well Update
16 June 2006                 Exploration Drilling Update
1 June 2006                  Director Declaration
31 May 2006                  AGM Resolutions
31 May 2006                  AGM Statement
30 May 2006                  Uganda Drilling Update
23 May 2006                  Drilling Update
23 May 2006                  UK Business Update
17 May 2006                  Holding in Company
16 May 2006                  Holding in Company
12 May 2006                  Activity Update
9 May 2006                   Director Dealings

Copies of the documents published via RNS may be obtained from the Regulatory News Service provided by the
London Stock Exchange (www.londonstockexchange.com/rns) 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




29 March 2007                88(2)R      Return of Allotment of Shares
16 March 2007                363a        Annual Return Made Up To 04/02/07
7 March 2007                 288c        Director's Particulars Changed
8 March 2007                 88(2)R      Return of Allotment of Shares
7 March 2007                 288c        Director's Particulars Changed
13 February 2007             88(2)R      Return of Allotment of Shares (2)
2 February 2007              88(3)       Particulars of Contract Relating To Shares
2 February 2007              88(2)R      Return of Allotment of Shares
7 January 2007               88(2)R      Return of Allotment of Shares (2)
22 December 2006             395         Particulars of Mortgage / Charge
22 December 2006             288a        Director Appointed
19 December 2006             395         Particulars of Mortgage / Charge
19 December 2006             395         Particulars of Mortgage / Charge
19 December 2006             395         Particulars of Mortgage / Charge
14 December 2006             395         Particulars of Mortgage / Charge
14 December 2006             395         Particulars of Mortgage / Charge
29 November 2006             88(2)R      Return of Allotment of Shares
6 November 2006              88(2)R      Return of Allotment of Shares(2)
3 October 2006               88(2)R      Return of Allotment of Shares
7 September 2006             88(2)R      Return of Allotment of Shares
8 August 2006                88(2)R      Return of Allotment of Shares (2)
4 July 2006                  AA          Group of Companies' Accounts Made Up To 31/12/2005
21 June 2006                 288a        Director Appointed
14 June 2006                 88(2)R      Return of Allotment of Shares (2)
14 June 2006                 288b        Director Resigned
13 June 2006                 AA          Interim Accounts Made Up To 31/05/2006
9 June 2006                  RES01       Disapp Pre-empt Rights 31/05/06

                                         Adopt Articles 31/05/06
16 May 2006                  88(2)R      Return of Allotment of Shares (3)


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)



20 April 2007               2006 Annual Report and Accounts and Circular
regarding the 2007 Annual General Meeting



21 September 2006      2006 Interim Results



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 Exchange'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

Company Secretary

+ 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