Press releases

14 September 2022

2022 Half Year Results

Tullow Oil (Tullow) announces its Half Year results for the six months ended 30 June 2022.

5 August 2022

Well update – Guyana

Tullow Oil plc (Tullow) announces that drilling operations at the Beebei-Potaro exploration well, drilled in the Kanuku licence, offshore Guyana, have been completed.

13 July 2022

July Trading Statement & Operational Update

Tullow Oil plc issues this update and guidance in advance of the Group’s 2022 Half Year Results scheduled for 14 September 2022.

25 May 2022

2022 Annual General Meeting – CEO Statement

Tullow Oil plc (Tullow) issues the following statement from its CEO, Rahul Dhir, ahead of its Annual General Meeting (AGM).

28 March 2022

Tullow Publishes 2021 Sustainability Report and 2021 Climate Risk and Resilience Report

Tullow Oil is pleased to announce that it has published its 2021 Sustainability Report and its 2021 Climate Risk & Resilience Report.

25 March 2022

Annual Report and Accounts

Following the release on 9 March 2022 of the Company’s full year results announcement for the year ended 31 December 2021, the Company announces it has published its Annual Report and Accounts for this period.

24 March 2022

Appointment of Jonathan Swinney as CFO of Tullow Oil plc

Tullow Oil plc (Tullow) is pleased to announce the appointment of Jonathan Swinney as Chief Financial Officer (CFO) and as an Executive Director of Tullow.

21 March 2022

Tullow completes pre-emption of Deep Water Tano component of Kosmos Energy/Occidental Petroleum Ghana transaction

Tullow Oil plc (Tullow) is pleased to announce that it has completed the pre-emption related to the sale of Occidental Petroleum’s interests in the Jubilee and TEN fields in Ghana to Kosmos Energy.

9 March 2022

Full Year Results 2021

Tullow Oil plc (“Tullow”), the independent oil and gas exploration and production group (“Group”), announces its Full Year Results for the year ended 31 December 2021.

16 February 2022

Contingent Consideration Received Following Final Investment Decision In Uganda

Tullow Oil (“Tullow”) is pleased to announce that the Final Investment Decision for the Tilenga Project in Uganda and the East African Crude Oil Pipeline (EACOP) as reported by Total Energies Ltd (“Total”) on 1 February 2022 has triggered a contingent consideration of $75 million in relation to Tullow’s sale of its assets in Uganda to Total in 2020.

15 February 2022

Result of Arbitration with HiTec Vision

Tullow Oil plc (Tullow) announces that a panel of arbitrators, working under the jurisdiction of Norwegian law, has delivered an award in favour of HiTec Vision (HiTec) in relation to its dispute with Tullow (Award).

26 January 2022

January Trading Statement & Operational Update

Tullow Oil plc (Tullow) issues this update and guidance in advance of the Group’s 2021 Full Year Results scheduled for 9 March 2022.

17 November 2021

November Trading Update

Tullow issues the following statement to provide an update on its ongoing operations and expectations for the full year. The information contained herein has not been audited and may be subject to further review and amendment.

11 November 2021

Tullow pre-emption of Deep Water Tano component of Kosmos Energy/Occidental Petroleum Ghana transaction

Tullow Oil plc (Tullow) announces that it has exercised its right of pre-emption related to the sale of Occidental Petroleum’s interests in the Jubilee and TEN fields in Ghana to Kosmos Energy

25 October 2021

Appointment of Phuthuma Nhleko as non-executive Chairman of Tullow Oil plc

Tullow Oil plc (Tullow) is pleased to announce the appointment of Phuthuma Nhleko as an independent non-executive Director and Chairman-designate of Tullow.

15 September 2021

Board Change

Tullow Oil plc announces that Les Wood, Chief Financial Officer (CFO) and Executive Director, has mutually agreed with the Board that he will step down from Tullow.

15 September 2021

2021 Half Year Results

Tullow Oil (Tullow) announces its Half Year results for the six months ended 30 June 2021.

14 July 2021

Trading Statement & Operational Update

Tullow Oil plc (Tullow) issues this update and guidance in advance of the Group’s 2021 Half Year Results, which are scheduled for release on 15 September 2021.

16 June 2021

2021 Annual General Meeting – CEO Statement

Tullow Oil plc issues the following statement from its CEO, Rahul Dhir, ahead of its Annual General Meeting (AGM) today.

9 June 2021

Tullow Completes Sale of the Dussafu Asset in Gabon

Tullow Oil plc (Tullow) is pleased to announce that the sale of its Dussafu Marin permit asset in Gabon to Panoro Energy ASA (Panoro) has now completed.

2 June 2021

Board Change

Tullow Oil plc announces that Dorothy Thompson CBE, Non-Executive Chair, has decided to step down from Tullow’s Board.

17 May 2021

Announcement of closing of $1,800 million senior secured notes

Tullow Oil plc is pleased to announce that it has completed its offering of $1,800 million aggregate principal amount of 10.250% senior secured notes due 2026.

6 May 2021

Pricing of $1,800,000,000 Senior Secured Notes

Tullow Oil plc (the “Company”) is pleased to announce that it has priced its offering of $1,800,000,000 aggregate principal amount of 10.25% senior secured notes due 2026 at par (the “Notes”).

29 April 2021

Tullow Oil Plc Launches an Offering of $1,800,000,000 Senior Secured Notes Due 2026 and Receives $600,000,000 of Commitments for a Revolving Credit Facility

6 April 2021

Start of multi-well drilling campaign in Ghana

Tullow Oil plc (Tullow) is pleased to announce the start of a multi-year, multi-well drilling campaign offshore Ghana with the commencement of drilling of the first well at the Jubilee Field yesterday.

31 March 2021

Completion of Sale of Assets in Equatorial Guinea

Tullow Oil plc (Tullow) is pleased to announce that the sale of its assets in Equatorial Guinea to Panoro Energy ASA (Panoro) has now completed.

30 March 2021

Designation of EU Home Member State for Regulatory Purposes

Following the exit of the United Kingdom from the European Union and the subsequent end of the Brexit transition period on 31 December 2020, Tullow Oil plc (“Tullow”) announces that its EU Home Member State, for purposes of the EU Transparency Directive (Directive 2004/109/EC, as amended) will be Ireland.

30 March 2021

Annual Report and Accounts

Following the release on 10 March 2021 of the Company's preliminary full year results announcement for the year ended 31 December 2020 (the "Preliminary Announcement"), the Company announces it has published its Annual Report and Accounts for this period (the "Annual Report and Accounts").

18 March 2021

Well Update - Suriname

18 March 2021 - Tullow Oil plc (Tullow) announces that the Goliathberg-Voltzberg North exploration well, drilled in Block 47, offshore Suriname, has reached Total Depth and encountered good quality reservoir but only minor oil shows.

10 March 2021

2020 Full Year Results

Tullow Oil plc (“Tullow”), the independent oil and gas exploration and production group (“Group”), announces its Full Year Results for the year ended 31 December 2020. Details of a management presentation, webcast and conference call are available on the last page of the full announcement or please see the bottom of this web page.

2 March 2021

Publication of Circular and Notice of General Meeting

Tullow Oil plc (Tullow) announces that, further to its announcement on 9 February 2021 in relation to two separate sale and purchase agreements with Panoro Energy ASA (Panoro) for all of Tullow’s assets in Equatorial Guinea (the Transaction) and the Dussafu asset in Gabon (the Dussafu Transaction), a shareholder circular relating to the Transaction (the Circular) has been published today, having received approval from the Financial Conduct Authority.

26 February 2021

Redetermination update – reserves based lending facility debt capacity agreed

26 February 2021 - Tullow Oil plc (Tullow) is pleased to provide an update on the redetermination of its Reserves Based Lending facility (“RBL”).

9 February 2021

Tullow agrees US$180 million sale of assets in West Africa to Panoro

Tullow Oil plc (Tullow) is pleased to announce that it has signed two, separate sale and purchase agreements with Panoro Energy ASA (Panoro) for all of Tullow’s assets in Equatorial Guinea (the EG Transaction) and the Dussafu asset in Gabon (the Dussafu Transaction).

27 January 2021

Trading Statement & Operational Update

Tullow Oil plc (Tullow) issues this update and guidance in advance of the Group’s 2020 Full Year Results. The information contained herein has not been audited and may be subject to further review and amendment.

7 December 2020

Tullow receives licence extensions in Kenya

25 November 2020

Tullow Oil plc – 2020 Capital Markets Day

Tullow Oil plc will be holding a Capital Markets Day from 9am GMT today which will be hosted by Rahul Dhir, Chief Executive Officer; Les Wood, Chief Financial Officer; Wissam Al-Monthiry, Managing Director, Ghana; and Julia Ross, Director, People & Sustainability.

10 November 2020

Tullow completes $575 million sale of Uganda assets to Total

Tullow Oil plc (Tullow) is pleased to announce that the sale of its assets in Uganda to Total has completed with $500 million consideration received earlier today.

21 October 2020

Government approvals received for $575 million sale of Uganda assets to Total

Tullow Oil plc (Tullow) is pleased to announce that the Government of Uganda and the Ugandan Revenue Authority have executed a binding Tax Agreement that reflects the pre-agreed principles on the tax treatment of the sale of Tullow’s Ugandan assets to Total.

7 October 2020

RBL redetermination completed; CMD on 25 November

9 September 2020

Appointment of Mitchell Ingram as a Non-executive Director of Tullow Oil plc

Tullow Oil plc (Tullow) is pleased to announce the appointment of Mitch Ingram as an independent Non-executive Director of Tullow with immediate effect.

9 September 2020

2020 Half Year Results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its Half Year results for the six months ended 30 June 2020.

29 July 2020

Trading Statement & Operational Update

Summary of recent operational activities and to provide trading guidance in respect of the financial half year to 30 June 2020.

15 July 2020

Shareholder Approval

General Meeting held on 15 July 2020 seeking approval for the proposed sale of its entire interests in Uganda to Total.

18 June 2020

Publication of Circular and Notice of General Meeting

28 May 2020

CNOOC elects not to pre-empt sale of assets in Uganda

CNOOC Uganda Limited (CNOOC) has informed both Tullow and Total that it will not pre-empt the sale of Tullow’s assets in Uganda.

23 April 2020

Tullow Oil plc – AGM Trading Update

Tullow Oil plc (Tullow), issues the following update ahead of its Annual General Meeting which is being held on 23 April 2020

23 April 2020

Tullow agrees sale of its entire stake in the Lake Albert Development Project in Uganda to Total

Tullow Oil plc (Tullow) has agreed the sale of its assets in Uganda to Total with an effective date of 1 January 2020.

21 April 2020

Appointment of Rahul Dhir as CEO of Tullow Oil plc

Rahul Dhir appointed as CEO of Tullow Oil plc

3 April 2020

Tullow Oil Business Update

RBL redetermination confirms debt capacity of $1.9 billion and headroom of c.$700 million. Further cost savings identified.

12 March 2020

2019 Full Year Results

Tullow Oil announces its Full Year Results for the year ended 31 December 2019.

17 February 2020

Marina-1 well result

Result of the Marina-1 exploration well drilled offshore Peru.

15 January 2020

Trading Statement & Operational Update

Tullow Oil plc (Tullow) issues this update and guidance in advance of the Group’s 2019 Full Year Results.

2 January 2020

Carapa-1 well result

Result of exploration well offshore Guyana

9 December 2019

Board changes and 2020 guidance

Tullow Oil plc (Tullow) today provides a forward-looking production and financial update and announces a number of changes to the Board that take effect immediately.

13 November 2019

November Trading Update

Tullow Oil plc (Tullow) issues the following Trading Update for the period 24 July to 13 November 2019.

22 October 2019

Board Changes

Martin Greenslade joins Tullow Board and Audit Committee as non-executive Director; Steve Lucas, Audit Committee Chair, to step down as a non-executive Director in 2020

16 September 2019

Joe-1 oil discovery

Tullow Oil plc (Tullow) announces that the Joe-1 exploration well has successfully opened a new Upper Tertiary oil play in the Guyana basin.

29 August 2019

Termination of farm-down agreement with Total and CNOOC in Uganda

Tullow Oil plc (“Tullow”) announces it has been informed that its farm-down to Total and CNOOC will terminate at the end of today, 29 August 2019, following the expiry of the Sale and Purchase Agreements (SPAs).

12 August 2019

Jethro-1 oil discovery

Tullow Oil plc (Tullow) announces the results of its Jethro-1 exploration well, drilled on the Orinduik licence offshore Guyana by its wholly owned subsidiary Tullow Guyana B.V.

24 July 2019

2019 Half Year Results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its Half Year results for the six months ended 30 June 2019.

26 June 2019

Trading Statement & Operational Update

Tullow Oil plc (Tullow) issues this statement to summarise recent operational activities and to provide trading guidance in respect of the financial half year to 30 June 2019.

25 April 2019

AGM Trading Update

Tullow Oil plc (Tullow) issues the following Trading Update for the period 1 January to 25 April 2019.

28 February 2019

Board Changes

Appointment of Sheila Khama and Genevieve Sangudi as non-executive Directors. Retirement of Tutu Agyare after nine years as a non-executive Director.

13 February 2019

2018 Full Year Results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its Full Year Results for the year ended 31 December 2018.

16 January 2019

Trading Statement & Operational Update

Tullow Oil plc (Tullow) issues this statement to summarise recent operational activities and to provide trading guidance in respect of the financial year to 31 December 2018.

29 November 2018

Capital Markets Day

Tullow Oil plc (Tullow) announces that it is hosting a Capital Markets Day presentation today in London for sell-side analysts and institutional shareholders.

15 November 2018

November Trading Update

Tullow Oil plc (Tullow) issues the following Trading Update for the period 26 July to 15 November 2018.

24 September 2018

Cormorant-1 Well update

Result of exploration well offshore Namibia

25 July 2018

2018 Half Year Results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its half year results for the six months ended 30 June 2018

18 July 2018

Result of Arbitration with Kosmos Energy

Award in favour of Kosmos Energy Ghana HC

3 July 2018

High Court Judgment: Seadrill vs Tullow Ghana Ltd

Judgement from the English Commercial Court

28 June 2018

Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this statement to summarise recent operational activities and to provide trading guidance in respect of the financial half year to 30 June 2018.

25 April 2018

2018 AGM Trading Update

Tullow Oil plc (Tullow) issues the following Trading Update for the period 1 January to 25 April 2018.

17 April 2018

Appointment of Dorothy Thompson CBE as non-executive Chair of Tullow Oil plc

Board update

23 March 2018

Announcement of closing of $800 million senior notes

Tullow Oil plc ("Tullow" or the "Company") is pleased to announce that it has completed its offering of $800 million aggregate principal amount of 7.000% senior notes due 2025 (the "Notes").

16 March 2018

Pricing of $800m senior notes

Tullow Oil plc (“Tullow” or the “Company”) is pleased to announce that it has priced its offering of $800 million aggregate principal amount of 7% senior notes due 2025 at par (the “Notes”).

12 March 2018

Announcement of intention to offer $650m senior notes

Tullow Oil plc (“Tullow” or the “Company”) today announces that it intends to offer $650 million in aggregate principal amount of senior notes due 2025 (the “Notes”).

7 February 2018

2017 Full Year Results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its full year results for the year ended 31 December 2017.

10 January 2018

Trading Statement & Operational Update

Tullow Oil plc (Tullow) issues this statement to summarise recent operational activities and to provide trading guidance in respect of the financial year to 31 December 2017.

29 November 2017

Tullow secures US$2.5 billion debt refinancing

Tullow Oil plc (Tullow) is pleased to announce that it has completed the refinancing of US$2.5 billion of Reserves Based Lending (“RBL”) credit facilities.

8 November 2017

November Trading Update

Tullow Oil plc (Tullow) issues the following Trading Update for the period 27 July to 8 November 2017.

27 October 2017

Araku-1 Well update

Tullow Oil plc (“Tullow” or the “Group”) provides an update on the Araku-1 well, offshore Suriname.

12 October 2017

Tullow awarded four licences in Côte d’Ivoire

Tullow Oil plc (Tullow) is pleased to announce that it has acquired 90% stakes in four onshore blocks in Côte d’Ivoire.

23 September 2017

ITLOS judgment

Tullow Oil plc (Tullow) notes that the Special Chamber of the International Tribunal of the Law of the Sea (ITLOS) in Hamburg today made its decision with regard to the maritime boundary dispute between Ghana and Côte d’Ivoire.

26 July 2017

2017 Half Year Results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its results for the six months ended 30 June 2017.

28 June 2017

Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this statement to summarise recent operational activities and to provide trading guidance in respect of the financial half year to 30 June 2017.

20 June 2017

Board Changes

Resignation of Ian Springett and appointment of Les Wood as Chief Financial Officer

17 May 2017

Emekuya-1 oil discovery in Kenya

Exploration well result

26 April 2017

AGM Trading Update

Tullow Oil plc (Tullow) issues the following Trading Update for the period 1 January to 26 April 2017.

25 April 2017

Results of the Rump Placing

RNS Announcement

25 April 2017

Results of the Rights Issue

RNS announcement

6 April 2017

Admission of Nil Paid Rights

RNS announcement

5 April 2017

Results of General Meeting

General meeting held on 5 April 2017

17 March 2017

Publication of Prospectus

RNS announcement

17 March 2017

25 for 49 fully underwritten $750 million Rights Issue

Proposed 25 for 49 Rights Issue of 466,925,724 New Ordinary Shares at an Issue Price of 130 pence per share

17 March 2017

CNOOC exercises its pre-emption rights in respect of Tullow’s farm down to Total in Uganda

On 9 January 2017, Tullow Oil plc (Tullow) announced that it had agreed to farm-down 21.57% of its 33.33% interests in Exploration Areas 1, 1A, 2 and 3A in Uganda to Total E&P Uganda B.V. (Total) for a total consideration of $900 million.

8 February 2017

2016 Full Year Results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its full year results for the year ended 31 December 2016.

17 January 2017

Erut-1 oil discovery in Kenya

Well result from the Exploration & Appraisal campaign in the South Lokichar basin

11 January 2017

Trading Statement & Operational Update

Tullow Oil plc (Tullow) issues this statement to summarise recent operational activities and to provide trading guidance in respect of the financial year to 31 December 2016.

11 January 2017

Board Changes

Tullow Oil plc (Tullow) announces a number of changes to its Board:

9 January 2017

Tullow announces a substantial farm down to Total in Uganda

Tullow Oil plc (Tullow) is very pleased to announce that it has agreed a substantial farm-down of its assets in Uganda to Total E&P Uganda B.V. (Total).

5 January 2017

Ian Springett – leave of absence

Tullow Oil plc announces that Ian Springett, Chief Financial Officer, is taking an extended leave of absence from Tullow in order to undergo treatment for a medical condition.

9 November 2016

November Trading Update

Tullow Oil plc (Tullow) issues the following Trading Update for the period 27 July to 9 November 2016. The Group will publish a Trading Statement and Operational Update on 11 January 2017. Full Year Results for 2016 will be announced on 8 February 2017.

28 October 2016

RBL redetermination and financing update

Tullow Oil plc (Tullow) is pleased to announce the successful completion of the six-monthly redetermination of its Reserve Based Lend (RBL) facility.

30 September 2016

Jubilee Turret – Insurance Update

Update on Business Interruption Insurance

23 September 2016

Jubilee Turret – Insurance Update

Tullow Oil is pleased to announce that Hull & Machinery insurance cover has been confirmed for the FPSO Kwame Nkrumah by its reinsurers following the failure of the turret bearing earlier this year.

16 September 2016

Cara discovery – offshore Norway

Tullow Oil plc is pleased to announce that drilling and testing of the Cara prospect in licence 636 in the Norwegian North Sea has been completed.

18 August 2016

TEN delivers first oil on time and on budget

Tullow Oil plc is pleased to announce that first oil has flowed from the Tweneboa, Enyenra, Ntomme (TEN) fields offshore Ghana, to the FPSO Prof. John Evans Atta Mills.

27 July 2016

2016 Half Year Results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its half year results for the six months ended 30 June 2016.

7 July 2016

Norway Well Update

Result of Rome prospect

6 July 2016

Tullow Oil plc Convertible Bond Offering – Final pricing

Further to the initial pricing announcement earlier today, Tullow Oil plc (the “Group”, the “Company” or “Tullow Oil”) announces the final pricing terms of its offering (the “Offering”) of $300 million of Convertible Bonds due 2021 (the “Bonds”).

6 July 2016

Tullow Oil plc Convertible Bond Offering - Initial pricing

Tullow Oil plc (the “Group”, the “Company” or “Tullow Oil”) announces the initial pricing terms of its offering (the “Offering”) of $300 million of Convertible Bonds due 2021 (the “Bonds”), announced earlier today.

6 July 2016

Tullow Oil plc Convertible Bond Offering

Tullow Oil plc (the “Group”, the “Company” or “Tullow Oil”) today announces the launch of an offering (the “Offering”) of $300 million of Convertible Bonds due 2021 (the “Bonds”).

30 June 2016

Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this statement to summarise recent operational activities and to provide trading guidance in respect of the financial half year to 30 June 2016.

28 April 2016

AGM Trading Update

Tullow Oil plc (Tullow) issues the following Trading Update, for the period 1 January to 28 April 2016.

8 April 2016

Jubilee Field operational update

Further to its release of 18 February, Tullow Oil plc ("Tullow") issues the following operational update on the Jubilee Field, Ghana.

6 April 2016

Norway - well result

Successful Wisting exploratory appraisal well in Norway

16 March 2016

Kenya - well update

Tullow Oil plc (Tullow) announces that the Cheptuket-1 well in Block 12A, Northern Kenya, has encountered good oil shows, seen in cuttings and rotary sidewall cores, across an interval of over 700 metres.

18 February 2016

Ghana Operational Update

Tullow Oil plc (Tullow) announces that it has informed the Government of Ghana and its Partners of a change to operating procedures at the Jubilee field FPSO.

10 February 2016

2015 Full Year Results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its full year results for the year ended 31 December 2015.

13 January 2016

Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this statement to summarise recent operational activities and to provide trading guidance in respect of the financial year to 31 December 2015.

15 December 2015

Kenya operational update

Tullow Oil plc (Tullow) announces that the Etom-2 well in Block 13T, Northern Kenya, has encountered 102 metres of net oil pay in two columns.

9 December 2015

Retirement of Graham Martin

Executive Director and Company Secretary will retire after the Group’s next Annual General Meeting

17 November 2015

Well update - Kenya

Result of Emesek-1 exploration well in the North Lokichar basin

11 November 2015

November Trading Update

Tullow Oil plc (Tullow) issues the following Trading Update for the period 30 July to 11 November 2015. The Group will publish a Trading Statement and Operational Update on 13 January 2016. Full Year Results for 2015 will be announced on 10 February 2016.

8 October 2015

Onal agreement with the Government of Gabon

Tullow Oil plc (Tullow) is pleased to announce that it has reached agreement with the Government of Gabon over its licences in the Onal Complex Fields.

1 October 2015

Tullow credit facilities unchanged following six-monthly RBL redetermination

Tullow Oil plc (Tullow) and its lending banks have completed the routine six-monthly Reserve Based Lend (RBL) redetermination process and available debt capacity remains unchanged at US$3.7 billion.

30 September 2015

First Lady names Ghana's second FPSO

Her Excellency the First Lady of the Republic of Ghana, Dr. Nana Lordina Mahama, officially named Ghana's second floating production, storage and offloading (FPSO) vessel at a ceremony in Singapore today.

12 August 2015

Operational update

Tullow Oil plc (Tullow) provides an update on operations across the Group.

29 July 2015

2015 Half Year Results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its half year results for the six months ended 30 June 2015.

20 July 2015

Jubilee Field production update

Update following the suspension of gas export since 3 July 2015

1 July 2015

Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this statement to summarise recent operational activities and to provide trading guidance in respect of the financial year to 30 June 2015.

22 June 2015

Norway exploration well update

Tullow Oil plc (‘Tullow’) announces that the Zumba exploration well (6507/11-11) in licence area PL 591 in the Norwegian Sea has not encountered hydrocarbons and will now be plugged and abandoned.

22 June 2015

Tullow settles Capital Gains Tax dispute in Uganda

Tullow Oil plc (‘Tullow’ or the ‘Group’) announces that it has settled its Capital Gains Tax (‘CGT’) dispute with the Government of Uganda and the Uganda Revenue Authority (‘URA’) with regard to its farm-downs to CNOOC and Total in 2012.

30 April 2015

AGM Trading Update

Tullow Oil plc (Tullow) issues the following trading update, for the period 1 January to 30 April 2015.

27 April 2015

Ghana and Côte d’Ivoire Maritime Boundary Arbitration Update

Decision from the Special Chamber of the International Tribunal of the Law of the Sea (ITLOS)

20 March 2015

Tullow secures an additional US$450 million of capital under its existing credit facilities

Tullow Oil plc (Tullow) is pleased to announce the following update on its financing and banking arrangements.

11 March 2015

Kenya exploration and appraisal update

Tullow Oil plc (Tullow) provides an update on exploration and appraisal activities in onshore Kenya Block 10BB, 13T and Block 10BA.

2 March 2015

Ghana and Côte d’Ivoire Maritime Boundary Arbitration Update

Government of Côte d'Ivoire has applied for provisional measures to be ordered in Ghana's maritime boundary dispute.

11 February 2015

2014 Full Year Results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its full year results for the year ended 31 December 2014.

22 January 2015

Kenya exploration and appraisal update

Tullow Oil plc (Tullow) provides an update on a series of exploration and appraisal activities in onshore Kenya Blocks 10BB, 13T and 10BA.

15 January 2015

Trading Statement & Operational Update

Tullow Oil plc (Tullow) issues this statement to summarise recent operational activities and to provide trading guidance in respect of the financial year ended 31 December 2014.

12 November 2014

Interim Management Statement

Tullow Oil plc (Tullow) issues the following Interim Management Statement, for the period 1 July to 12 November 2014.

23 October 2014

Kenya exploration and appraisal update

Tullow Oil plc (Tullow) announces the results of a series of recent exploration and appraisal activities conducted in Blocks 10BB and 13T onshore Kenya.

10 October 2014

Tullow Oil completes partial sale of UK Schooner and Ketch gas assets

Sale completed to Faroe petroleum.

10 October 2014

Well update – Sputnik-1 offshore Gabon

Perenco, Tullow Oil’s partner in the Arouwe block offshore Gabon, today issued the following operational update.

5 September 2014

Tullow agrees gas assets sale in Netherlands Blocks L&Q

Sale to AU Energy B.V., a subsidiary of Mercuria Energy Group Limited.

2 September 2014

Tullow Oil invests $6 million in global scholarship programme

The Tullow Group Scholarship Scheme (TGSS), now in its fourth year, is sponsoring over 110 scholars in Oil & Gas related postgraduate degrees. Scholars will begin their studies this September at leading universities in the UK, France and Ireland.

28 August 2014

Tullow Oil exploration and appraisal update in Kenya

Tullow Oil plc (“Tullow”) announces the successful results from a series of exploration, appraisal and testing activities conducted in Blocks 10BB and 13T onshore Kenya.

30 July 2014

2014 Half-yearly results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its half-yearly results for the six months ended 30 June 2014.

23 July 2014

Tullow receives judgment in its favour following appeal by Heritage

Judgement from Court of Appeal in London.

21 July 2014

Well update – Norway

Tullow Oil plc (“Tullow”) today announces that Tullow Oil Norge AS, operator of the production licence PL 507, did not encounter hydrocarbons in the Lupus exploration well (31/10-1) which will now be plugged and abandoned.

16 July 2014

Ugandan Tax Appeals Tribunal delivers ruling

Tullow Oil plc announces today that its subsidiaries operating in Uganda have received a ruling from the Tax Appeals Tribunal (TAT) in Uganda relating to Capital Gains Tax (CGT).

14 July 2014

Ethiopia drilling update

Tullow Oil plc (“Tullow”) today announces that the Gardim‑1 exploration well, drilled on the eastern flank of the Chew Bahir Basin in the South Omo licence, has reached a total depth of 2,468 metres in basement, without encountering commercial oil.

3 July 2014

Hanssen oil discovery in Barents Sea, offshore Norway

Tullow Oil plc (“Tullow”) announces that the Hanssen wildcat well, in production licence 537, offshore Norway, has encountered a 20-25 metre oil bearing sandstone with good reservoir properties in the main target (Stø Formation).

2 July 2014

Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this statement to summarise recent operational activities and to provide trading guidance in respect of the financial year to 30 June 2014.

25 June 2014

Capital Markets Day

Tullow Oil plc (Tullow) announces that it is hosting a Capital Markets Day presentation today in London for sell-side analysts and institutional shareholders.

24 June 2014

East Africa operational update

Africa Oil, Tullow Oil’s partner in Blocks 10BB and 13T in Northern Kenya (Tullow 50% operated interest), today issued the following operational update.

13 June 2014

Tullow refinances its Norwegian exploration loan facility

Tullow Oil plc (Tullow) is pleased to announce that it has refinanced its NOK 2 billion (ca. $330 million) Norwegian exploration loan facility

2 June 2014

Tullow Oil appoints Mike Daly as a non-executive Director

Tullow Oil plc (Tullow) is pleased to announce the appointment of Dr. Michael Daly as a non-executive Director with effect from 1 June 2014.

28 May 2014

Tullow Oil’s 2013 Corporate Responsibility Report published

Tullow Oil’s 2013 Corporate Responsibility Report has been published today and is now available to view online or download from www.tullowoil.com/crr2013

27 May 2014

Well update – Norway

Tullow Oil plc (“Tullow”) announces that exploration well 31/2-21S which was targeting the Gotama prospect, offshore Norway, did not encounter reservoir quality sandstones in the Upper Jurassic main target.

23 May 2014

Well update – Ethiopia

Tullow Oil plc (Tullow) announces that the Shimela-1 well encountered water bearing reservoirs.

15 May 2014

Kenya operational update

Africa Oil, Tullow Oil’s partner in Blocks 10BB and 13T in Northern Kenya (Tullow 50% operated interest), today issued the following operational updates in their quarterly results statement.

30 April 2014

Interim Management Statement

Tullow Oil plc (Tullow) issues the following Interim Management Statement, for the period 1 January to 30 April 2014, in accordance with reporting requirements of the EU Transparency Directive.

30 April 2014

Sale of UK gas assets

Sale of Schooner and Ketch assets to Faroe Petroleum.

25 April 2014

Mauritania – well update

Tullow Oil plc (Tullow) today announces that the Tapendar-1 exploration well in the C-10 licence, offshore Mauritania, has not encountered hydrocarbons and the well is being plugged and abandoned.

8 April 2014

Completion of $650 million senior notes

Tullow Oil plc (“Tullow” or the “Company”) is pleased to announce that it has completed its offering of $650 million aggregate principal amount of 6.250% senior notes due 2022 (the “Notes”). Interest will be payable semi-annually.

7 April 2014

Tullow refinances its corporate revolving credit facility

Tullow Oil plc (Tullow) is pleased to announce that it has refinanced its US$500 million corporate revolving credit facility and that it has successfully increased the size of the facility to US$750 million and extended the tenor to April 2017.

3 April 2014

Pricing of $650 million senior notes

Tullow Oil plc (“Tullow” or the “Company”) is pleased to announce that it has priced its offering of $650 million aggregate principal amount of 6.250% senior notes due 2022 at par (the “Notes”).

2 April 2014

Intention to offer $500 million senior notes

Tullow Oil plc (the “Company”) today announces that it intends to offer $500 million in aggregate principal amount of senior notes due 2022 (the “Notes”).

27 March 2014

Operational update – Kenya

Tullow Oil plc (Tullow) announces the results of a series of recent exploration and appraisal activities conducted by the four rigs currently operating in Blocks 10BB and 13T onshore Kenya.

21 February 2014

Operational Update – Norway

Det norske, the Operator of well 7222/11-2 on the Langlitinden prospect, in which Tullow Oil plc (Tullow) is a 15% partner, has today issued the following press release:

12 February 2014

2013 Full year results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production Group, announces its results for the year ended 31 December 2013.

15 January 2014

Operational update – Kenya

Tullow Oil plc (“Tullow”) today announces oil discoveries at the Amosing-1 and Ewoi-1 exploration wells in Block 10BB onshore northern Kenya.

15 January 2014

Trading statement and operational update

Tullow Oil plc (Tullow) issues this statement to summarise recent operational activities and to provide trading guidance in respect of the financial year to 31 December 2013.

24 December 2013

Mantra well result offshore Norway

Tullow Oil plc (Tullow) announces that the 31/3-4 exploration well on the Mantra prospect offshore Norway has encountered reservoir quality sands but all intervals are water wet.

18 December 2013

Paon-2A well result offshore Côte d’Ivoire

Tullow Oil plc (Tullow) announces that the Paon-2A appraisal well in the CI-103 licence offshore Côte d’Ivoire has determined the down-dip extent of the Paon oil accumulation.

17 December 2013

Sale of Tullow Bangladesh completed

Tullow Oil plc (Tullow) announces the completion of the sale of Tullow Bangladesh Limited (TBL) through its subsidiary, Tullow Oil International Limited, to KrisEnergy Asia Holdings BV, a subsidiary of KrisEnergy Asia Limited.

11 December 2013

Director retirement and changes to Tullow Oil plc Board responsibilities

Tullow Oil plc (‘Tullow’) announces the following changes to Board responsibilities.

9 December 2013

East Africa exploration update

Tullow Oil plc (Tullow) announces that the Tultule-1 wildcat well in the South Omo block onshore Ethiopia, has reached a total depth of 2,101 metres and will be plugged and abandoned as a dry hole.

25 November 2013

Tullow demonstrates commitment to Uganda through first country report

Tullow Uganda today announced the publication of its first country report, tracking progress since our entry to Uganda, almost a decade ago. In the report, Tullow Uganda gives in-depth detail about its work showing how Tullow in Uganda has:

22 November 2013

Agete-1 oil discovery in Kenya

Tullow Oil plc (Tullow) announces that the Agete-1 exploration well in Block 13T, onshore Northern Kenya, has discovered and sampled moveable oil with an estimated 100 metres of net oil pay in good quality sandstone reservoirs.

13 November 2013

Interim Management Statement

Tullow Oil plc (Tullow) issues the following Interim Management Statement, for the period 1 July to 13 November 2013, in accordance with reporting requirements of the EU Transparency Directive.

7 November 2013

Kenya operations update

Tullow Oil plc (Tullow) announces that it will resume operations in Block 10BB and Block 13T on 8 November 2013 in Northern Kenya following successful dialogue with national and county government and leaders of the local community.

6 November 2013

Announcement of closing of $650 million senior notes

Tullow Oil plc (“Tullow” or the “Company”) is pleased to announce that it has completed its offering of $650 million aggregate principal amount of 6% senior notes due 2020 (the “Notes”). Interest will be payable semi-annually.

1 November 2013

Announcement of pricing of $650 million senior notes

Tullow Oil plc (“Tullow” or the “Company”) is pleased to announce that it has priced its offering of $650 million aggregate principal amount of 6% senior notes due 2020 at par (the “Notes”).

29 October 2013

Well update - Wisting Alternative, Norway

Tullow Oil plc (Tullow) announces that the Wisting Alternative well (7324/7-1S), offshore Norway in the Barents Sea, has reached Total Depth.

28 October 2013

Kenya operations update

Tullow Oil plc (Tullow) announces that it has temporarily suspended all operations as a precautionary measure in Block 10BB and Block 13T in Northern Kenya. This decision follows demonstrations by local people regarding concerns around employment.

24 October 2013

Announcement of intention to offer $500m senior notes

Tullow Oil plc (“Tullow” or the “Company”) today announces that it intends to offer $500 million in aggregate principal amount of senior notes due 2020 (the “Notes”).

26 September 2013

Ekales-1 oil discovery in Kenya

Tullow Oil plc (“Tullow”) is pleased to announce that the Ekales-1 wildcat, located in Block 13T in Northern Kenya, has made a new oil discovery.

18 September 2013

Tullow Oil appoints Jeremy Wilson as a non-executive Director

Tullow Oil plc (Tullow) is pleased to announce the appointment of Jeremy Wilson as a non-executive Director with effect from 21 October 2013.

9 September 2013

Tullow builds on scholarship success

Tullow Oil plc is pleased to announce that over 11,000 applicants competed for up to 100 places on Tullow’s 2013/14 Group Scholarship Scheme (TGSS).

6 September 2013

Wisting Central well makes breakthrough oil discovery in Barents Sea offshore Norway

Tullow Oil plc (“Tullow”) announces that the Wisting Central exploration well (7324/8-1), offshore Norway, has made the first ever oil discovery in the Hoop-Maud Basin in the Barents Sea.

2 September 2013

Drilling update – Mozambique

Tullow Oil plc (Tullow) announces that the Buzio-1 exploration well in Area 2 offshore Mozambique has not encountered hydrocarbons and, following the completion of logging operations, has been plugged and abandoned.

31 July 2013

2013 Half-yearly results

Major exploration success continues in Kenya with Etuko-1 discovery. Kenya basin volumes exceed threshold for development. Core business performing well with production up 14%, revenue up 15% and cash flow up 16%.

23 July 2013

Drilling update – Mozambique and French Guiana

Tullow Oil plc (Tullow) gives the following update on exploration wells in Mozambique and French Guiana.

3 July 2013

Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues an Operational Update summarising key activities since the Interim Management Statement on 8 May 2013 and a Trading Statement in respect of its half yearly financials to 30 June 2013.

14 June 2013

Tullow receives judgment in its favour in proceedings against Heritage

Judgement from Court of Appeal in London.

30 May 2013

Calao-1X exploration well encounters non-commercial condensate in Côte d’Ivoire

Tullow Oil plc (Tullow) announces that the Calao-1X exploration well in the CI-103 licence offshore Côte d’Ivoire, has encountered thin condensate/gas bearing reservoirs in an Upper Cretaceous deep water channel system.

30 May 2013

Government of Ghana approves development plan for the TEN project

Tullow Oil plc (Tullow) announces that the Government of Ghana has formally approved the Development Plan for the Tweneboa-Enyenra-Ntomme Development (“the TEN Project”).

29 May 2013

Publication of the Tullow Oil plc 2012 Corporate Responsibility report

Tullow Oil plc (Tullow) today releases its 2012 Corporate Responsibility report which details Tullow’s performance across a range of areas including safety, governance, people, supply chain, local content and social performance.

23 May 2013

Well update - Norway

Lundin Petroleum AB, the operator of the 7/4-3 well drilled on the Carlsberg prospect in the Norwegian North Sea, in which Tullow Oil plc is a 40% partner, today issued the following statement.

8 May 2013

Interim Management Statement

Tullow Oil plc (Tullow) issues the following Interim Management Statement, for the period 1 January to 8 May 2013, in accordance with reporting requirements of the EU Transparency Directive.

23 April 2013

French Guiana operational update

Tullow Oil plc (“Tullow”) provides an update on progress with the Priodontes-1 well, offshore French Guiana. This follows Tullow’s earlier statement on this well issued on 17 April 2013.

17 April 2013

French Guiana operational update

Tullow Oil plc (“Tullow”) provides an update on progress with the Priodontes-1 well, offshore French Guiana.

15 April 2013

East Africa operational update

Tullow Oil plc (“Tullow”) provides an update on progress with the Sabisa-1 well in Ethiopia and announces a successful first flow test of the Ngamia-1 well in Kenya.

9 April 2013

Sale of Tullow Bangladesh to KrisEnergy

Tullow Oil plc (Tullow) through its subsidiary, Tullow Oil International Limited, has signed an agreement with KrisEnergy Asia Holdings BV, a subsidiary of KrisEnergy Asia Limited,

14 March 2013

Tullow opens Mauritania office

In preparation for the start of a four well exploration program and increased operational activity, the Director of Hydrocarbon, Ahmed Salem Tekrour, joined a small number of guests to open the new Tullow offices in Nouakchott, Mauritania.

1 March 2013

Paipai-1, onshore Kenya, suspended for future evaluation

Tullow Oil plc (Tullow) announces the suspension of the Paipai-1 exploration well in Kenya for ongoing evaluation.

21 February 2013

East Africa exploration and appraisal update

Tullow Oil plc (“Tullow”) announces the successful completion of the flow tests at Twiga South-1 with a constrained combined rate of 2,812 bopd from three reservoir zones.

13 February 2013

2012 Full year results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its results for the year ended 31 December 2012.

12 February 2013

Ghana disclosures by Kosmos

Tullow Oil plc (“Tullow”) notes three disclosures related to its Ghana operations made by Kosmos Energy (“Kosmos”) in association with a secondary offering for Kosmos shares.

4 February 2013

Investor relations and media app launch

Tullow is pleased to announce the launch of the Investor Relations and Media App.

22 January 2013

Completion of Spring Energy acquisition

Tullow Oil plc (“Tullow”) announces the completion of its acquisition of Spring Energy Norway AS (“Spring”) that was previously announced on 11 December 2012.

11 January 2013

Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this Operational Update summarising key activities since the Interim Management Statement on 14 November 2012 and a Trading Statement in respect of its financial year to 31 December 2012.

9 January 2013

Tullow continues to support capacity building through its scholarship scheme

Tullow Oil plc (Tullow) is pleased to announce that it will offer up to 114 scholarships across its countries of operation for the 2013/14 academic year.

11 December 2012

Acquisition of major oil exploration portfolio in Norway; Planned disposal of UK and Dutch gas assets

Tullow Oil plc (“Tullow”) announces today that it has entered into an agreement to acquire Spring Energy Norway AS (“Spring”), a Norwegian exploration company, for a purchase price of $372.3 million which will be adjusted for working capital.

11 December 2012

Operational update - Ghana and Guyana

Tullow Oil plc (Tullow) announces today that in Ghana, West Africa, Jubilee Phase 1A production has commenced and the Okure-1 exploration well has encountered low net to gross oil bearing reservoir in a secondary objective.

6 December 2012

Retirement of Steven McTiernan as a Non-executive Director

Tullow Oil plc (Tullow) announces the retirement of Steven McTiernan as a Non-executive Director of Tullow as of 31 December 2012.

4 December 2012

Well result – Zaedyus-2, offshore French Guiana

Following speculation in the French press, Tullow Oil plc (Tullow) announces that the Zaedyus-2 appraisal well (GM-ES-2), offshore French Guiana, has completed drilling.

26 November 2012

Twiga South-1 oil discovery

Tullow Oil plc (Tullow) announces that the Twiga South-1 exploration well in Block 13T, onshore Kenya, has encountered 30 metres of net oil pay.

20 November 2012

Tullow Oil agrees farm-in to Guinea concession

Hyperdynamics Corporation today issued the following press release:

14 November 2012

Interim Management Statement

Tullow Oil plc (Tullow) issues the following Interim Management Statement, for the period 1 July to 14 November 2012, in accordance with reporting requirements of the EU Transparency Directive.

7 November 2012

Tullow secures US$3.5 billion debt refinancing

Tullow Oil plc (Tullow) is pleased to announce that it has closed the refinance of US$3.5 billion of Reserves Based Lend (“RBL”) credit facilities.

31 October 2012

Twiga South-1 drilling update

Following media speculation in Kenya, Tullow Oil plc (Tullow) announces that the Twiga South-1 exploration well in onshore Kenya Block 13T has successfully encountered oil.

15 October 2012

Farm-in agreement with Maersk Oil, offshore Greenland

Tullow Oil plc (Tullow) announces that Naalakkersuisut, Greenland’s Government, has approved an agreement with Maersk Oil for Tullow to take a non-operated 40 per cent equity position in Block 9 (Tooq licence), Baffin Bay, north-western Greenland.

4 October 2012

Tullow Oil sponsors UK Charity - City Year

Tullow has entered into a three year partnership with a leading youth and education charity, City Year,

11 September 2012

Mbawa-1 drilling update

Tullow Oil plc (Tullow) announces that the Mbawa-1 exploration well in the L8 licence area, offshore Kenya, has now been deepened and reached a total depth of 3151 metres.

10 September 2012

Mbawa-1 drilling update

Tullow Oil plc (Tullow) announces that the Mbawa-1 exploration well in the L8 licence area, offshore Kenya, has encountered gas in the shallowest objective.

6 September 2012

Ugandan contractor forum focuses on safety

On 6 September 2012, Tullow Oil (Tullow) hosted a forum for its local and international contractors in Uganda that focussed on safety performance reporting and compliance.

3 September 2012

Tullow supports capacity building across countries of operation

93 scholars will begin their studies under the Tullow Group Scholarship Scheme (TGSS) at leading universities in the UK and France in September.

31 August 2012

Tullow Ghana supports editors’ education on oil and gas

Tullow Ghana recently sponsored a two-day seminar on oil and gas for editors from selected local on-line and print media at Koforidua, in the Eastern Region of Ghana.

8 August 2012

Tullow Bangladesh Ltd celebrates two years of LTI free operations at the sixth Contractor EHS Forum

On Monday 16 July, 60 representatives from a range of contractors and CSR partners attended the sixth Tullow Bangladesh Limited (TBL) Contractor EHS Forum, where they celebrated two years of operations with zero Lost Time Incidents (LTI).

25 July 2012

2012 Half-yearly results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production Group, announces its half-yearly results for the six months ended 30 June 2012.

25 July 2012

Tullow Oil appoints Anne Drinkwater as a Non-executive Director

Tullow Oil plc (Tullow) is pleased to announce the appointment of Anne Drinkwater as a Non-executive Director with effect from today.

18 July 2012

Wawa-1 exploration well finds oil and gas-condensate

Tullow Oil plc (Tullow) announces that the Wawa-1 exploration well in the Deepwater Tano licence offshore Ghana has intersected oil and gas-condensate in a Turonian turbidite channel system.

16 July 2012

Jaguar-1 exploration well update

Drilling operations at the Jaguar-1 well in the Georgetown Block, Guyana, have ended and the well will be plugged and abandoned at a depth of 4,876 metres, without reaching the primary objective.

13 July 2012

Closing the Gap – Tullow’s local content seminar series

Tullow’s Local Content team in Ghana regularly conducts seminars aimed at building capacity among local businesses to encourage and enable them to become part of our supply chain.

4 July 2012

Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this Trading Statement and Operational Update in respect of the first half of the 2012 financial year ended 30 June 2012.

28 June 2012

Two years with zero Lost Time Incidents on the FPSO Kwame Nkrumah

On 21 June 2012, the FPSO Kwame Nkrumah team in Ghana reached a significant milestone by achieving two years of operations with zero Lost Time Incidents (LTIs).

25 June 2012

Tullow Oil Uganda appoints new general manager

Tullow Oil Uganda, (Tullow) is pleased to announce the appointment of Mr Jimmy D. Mugerwa as General Manager of Tullow Uganda Operations Pty Ltd and Tullow Uganda Limited.

7 June 2012

Paon-1X exploration well discovers oil in Côte d'Ivoire

Tullow Oil plc (Tullow) announces that the Paon-1X exploration well in the CI-103 licence offshore Côte d'Ivoire has intersected good quality light oil in a Turonian fan system.

30 May 2012

Uganda wins ethical supply chain award at the East African CSR Awards 2012

Winner: “Closing the Gap Programme” – Tullow Uganda Operations

25 May 2012

Ngamia-1 drilling update

Tullow Oil plc (Tullow) this morning hosted a meeting with certain investors in Nairobi.

16 May 2012

Interim Management Statement

Tullow Oil plc (Tullow) issues the following Interim Management Statement, for the period 1 January to 16 May 2012, in accordance with reporting requirements of the EU Transparency Directive.

7 May 2012

Ngamia-1 well in Kenya rift basin discovers further oil

Tullow Oil plc (Tullow) announces that the Ngamia-1 exploration well in Block 10BB onshore Kenya has been drilled to an intermediate depth of 1,515 metres.

4 May 2012

Teak-4A appraisal well update

Kosmos Energy, the Operator of the Teak-4A appraisal well offshore Ghana, in which Tullow Oil plc (Tullow) is a 26.396% partner, yesterday evening, issued the following press release:

19 April 2012

West African Transform Margin exploration update

Tullow Oil plc (Tullow) announces that the Mercury-2 exploratory appraisal well in Sierra Leone and the Kosrou-1 exploration well in Côte d’Ivoire have both encountered water bearing reservoirs with oil shows.

13 April 2012

Tullow receives Local Content award at third Ghana Summit

Tullow received a Local Content Award at the third Ghana Summit on Oil and Gas that was held in Accra from 27 to 29 March 2012.

4 April 2012

Tullow Oil invests in modern schools in Turkana County

Tullow Oil and its partners have invested over Kshs 30 million in the provision of education, health and water in Northern Kenya where their oil exploration activities are concentrated.

30 March 2012

Tullow Oil wins Responsible Investor Award

Tullow Uganda received the award for most Responsible Investor at the Uganda Responsible Awards that took place on the 22 March 2012. The Awards are organised by the Uganda Investment Authority and Public Opinions, a civil society organisation in Uganda.

26 March 2012

Ngamia-1 oil discovery in Kenya rift basin

Tullow Oil plc (Tullow) announces that the Ngamia-1 exploration well in Kenya has encountered in excess of 20 metres of net oil pay.

16 March 2012

Enyenra-4A appraisal well successful

Tullow Oil plc (Tullow) announces that the Enyenra-4A appraisal well, in the Deepwater Tano licence offshore Ghana, has successfully encountered oil in very good quality sandstone reservoirs.

14 March 2012

2011 Full year results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production Group, announces its results for the year ended 31 December 2011.

14 March 2012

Appointment of Steve Lucas as a Non-executive Director and retirement of David Williams

Tullow Oil plc (Tullow) is pleased to announce the appointment of Steve Lucas as a Non-executive Director of the Company with immediate effect.

21 February 2012

$2.9bn farm-down of Uganda licences completed

Tullow Oil plc (Tullow) is pleased to announce that it has completed the farm-down of 66.6666% of its Ugandan licenses to CNOOC Limited and Total for a consideration of $2.9 billion.

21 February 2012

Jupiter-1 discovery offshore Sierra Leone

Tullow Oil plc (Tullow) announces that the Jupiter-1 exploration well in Block SL-07B-11 offshore Sierra Leone has successfully encountered hydrocarbons. This has been confirmed by the results of drilling, wireline logs and samples of reservoir fluids.

3 February 2012

Government of Uganda and Tullow sign Production Sharing Agreements

Tullow Oil plc (Tullow) is pleased to announce that it has signed two new Production Sharing Agreements (PSAs) with the Government of Uganda.

2 February 2012

Appointment of joint corporate brokers

Tullow Oil plc (Tullow) is pleased to announce that it has appointed Barclays Capital and Morgan Stanley & Co. International plc as joint corporate brokers with immediate effect.

25 January 2012

Launch of the Tullow Group Scholarship Scheme (TGSS) in partnership with the British Council

Tullow Oil plc (Tullow) has today announced the launch of the Tullow Group Scholarship Scheme (TGSS) in partnership with the British Council.

24 January 2012

Pioneering African business initiative launched by Tullow Oil

This morning Africa's largest independent oil company, Tullow Oil plc (‘Tullow'), kicked off a new business initiative aimed at attracting and facilitating further investment in the continent.

18 January 2012

Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this Trading Statement in respect of its financial year to 31 December 2011.

18 November 2011

Successful appraisal of the Teak discovery offshore Ghana

Kosmos Energy, the Operator of the Teak-3A appraisal well offshore Ghana, in which Tullow Oil plc (Tullow) is a 26.396% partner, last night issued the following press release:

18 November 2011

Farm-down to Statoil in Suriname

Tullow Oil plc (Tullow) announces that it has farmed-down 30% of its interest in the 2,369 sq km deepwater Block 47 in Suriname to Statoil, subject to approval from Staatsolie Maatschappij Suriname, the state oil company of Suriname.

9 November 2011

Montserrado-1 makes a non-commercial oil discovery

Tullow Oil plc (Tullow) announces that the Montserrado-1 exploration well, offshore Liberia, has made a non-commercial oil discovery in Late Cretaceous reservoir sands.

9 November 2011

Appointment of Simon Thompson as non-executive Chairman of Tullow Oil plc

Tullow Oil plc (Tullow) is delighted to announce the appointment of Mr Simon Thompson as non-executive Chairman of Tullow with effect from 1 January 2012.

9 November 2011

Interim Management Statement

Tullow Oil plc (Tullow) issues the following Interim Management Statement, for the period 1 July to 8 November 2011, in accordance with reporting requirements of the EU Transparency Directive.

31 October 2011

Tullow signs new PSC as operator offshore Mauritania

Tullow Oil plc (Tullow) is pleased to announce that new Production Sharing Contract (PSC) arrangements have been agreed with the Government of Mauritania and its Joint Venture partners.

28 September 2011

Enyenra-3A well result announcement

Tullow Oil plc (Tullow) announces that the Enyenra-3A appraisal well, in the Deepwater Tano licence offshore Ghanahas successfully encountered oil in high quality sandstone reservoirs.

9 September 2011

Zaedyus exploration well makes oil discovery offshore French Guiana

Tullow Oil plc (Tullow) announces that the Zaedyus exploration well (GM-ES-1), offshore French Guiana, has made an oil discovery having encountered 72 metres of net oil pay in two turbidite fans.

24 August 2011

2011 half-yearly results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production Group, announces its half-yearly results for the six months ended 30 June 2011.

27 July 2011

First day of trading on the Ghana Stock Exchange

Following Admission, the total number of shares in issue is 903,846,948, and the total number of voting rights in the Company is 903,846,948. The Company holds no shares in treasury.

25 July 2011

Acquisition of Ghanaian interests of EO Group Limited completed

Completion announcement.

21 July 2011

Successful Tullow share offer on the Ghana Stock Exchange

Tullow has allotted 3,531,546 ordinary shares of 10p each in the capital of Tullow (Shares).

15 July 2011

Makore-1 well encounters thick water-bearing sands

Kosmos Energy, the operator of the Makore-1 exploration well offshore Ghana, in which Tullow Oil plc (Tullow) is a 22.896% partner, today issued the following press release.

5 July 2011

Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this Trading Statement and Operational Update in respect of the first half of the 2011 financial year ended 30 June 2011.

13 June 2011

Tullow Oil plc Share Offer on Ghana Stock Exchange at 31 Ghana Cedi per share

Not for release, publication or distribution, in whole or in part, directly or indirectly, in or into the United States, Canada, Australia or Japan or any other state or jurisdiction in which it would be unlawful to do so.

6 June 2011

Ghana and Uganda well update: Banda-1, Jobi-East-1 and Mpyo-3

Tullow Oil plc (Tullow) announces that the Banda-1 exploration well in the West Cape Three Points licence offshore Ghana has discovered oil in Cenomanian-aged reservoirs and that the Jobi-East-1 and Mpyo-3 wells,

31 May 2011

Tullow to launch Secondary Listing and Share Offer on Ghana Stock Exchange

Tullow Oil plc (Tullow) today announces its plans for a secondary listing of its shares on the Ghana Stock Exchange (GSE) and an offering of 4,000,000 Tullow shares in Ghana.

26 May 2011

Tullow to acquire the Ghanaian interests of EO Group Limited for $305 million

Tullow Oil plc (“Tullow” or “the Company”) announces that today it entered into a conditional agreement to acquire the interests of EO Group Limited (EO).

24 May 2011

Tullow to enhance Dutch portfolio through acquisition of Nuon E&P

Tullow Oil plc (Tullow) announces that it has entered into an agreement to acquire Nuon Exploration and Production (Nuon E&P) for a cash consideration of €300 million from the Vattenfall Group.

12 May 2011

Interim Management Statement

Tullow Oil plc (Tullow) issues the following Interim Management Statement, for the period 1 January to 11 May 2011, in accordance with reporting requirements of the EU Transparency Directive.

13 April 2011

Ghana and Uganda exploration and appraisal well update

Tullow Oil plc (Tullow) announces a successful Tweneboa-4 appraisal well offshore Ghana and the commencement of a major exploration and appraisal campaign in the Lake Albert Rift basin, onshore Uganda.

30 March 2011

Uganda Sale and Purchase Agreements signed between Tullow, CNOOC and Total for $2.9 billion total cash consideration

Sale of interests in Xploration Areas 1,2 and 3A in Uganda.

28 March 2011

Teak-2 exploration well discovers hydrocarbons offshore Ghana

Tullow Oil plc (Tullow) announces that the Teak-2 exploration well in the West Cape Three Points licence offshore Ghana has discovered 27 metres of net hydrocarbon bearing Campanian and Turonian reservoirs.

15 March 2011

MoU signed between Tullow and the Government of Uganda

Tullow Oil plc (Tullow) is pleased to announce that after many months of discussions it has today signed a Memorandum of Understanding with the Government of Uganda (GoU).

9 March 2011

2010 full year results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its results for the year ended 31 December 2010.

9 March 2011

Appointment of Simon Thompson as a non-executive Director and retirement of Clare Spottiswoode

Tullow Oil plc is delighted to announce the appointment of Simon Thompson as a non-executive Director of the Company with effect from 16 May 2011.

3 March 2011

Enyenra-2A appraisal well proves major light oil field

Tullow Oil plc (Tullow) announces that the Enyenra-2A appraisal well, in the Deepwater Tano licence offshore Ghana, has successfully encountered oil in excellent quality sandstone reservoirs.

16 February 2011

Mauritania drilling update

Tullow Oil plc (Tullow) announces that the Gharabi-1 well, located in Block 6 offshore Mauritania, was unsuccessful and has been plugged and abandoned.

10 February 2011

Teak-1 exploration well discovers hydrocarbons offshore Ghana

Tullow Oil plc (Tullow) announces that the Teak-1 exploration well in the West Cape Three Points licence offshore Ghana has discovered approximately 73 metres of net hydrocarbons in two Campanian and three Turonian-aged reservoirs.

27 January 2011

Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this Trading Statement in respect of its financial year to 31 December 2010. This is in advance of the Group’s Full Year Results, which are scheduled for release on 9 March 2011.

10 January 2011

Successful Cormoran-1 exploration well offshore Mauritania

Dana Petroleum, the operator of the Cormoran-1 exploration well in Mauritania, in which Tullow Oil plc (Tullow) is a 16.20% partner, today issued the following press release:

10 January 2011

Tweneboa-3 appraisal well confirms Greater Tweneboa Area resource potential

Tullow Oil plc (Tullow) announces that the Tweneboa-3 appraisal well in the Deepwater Tano licence offshore Ghana has successfully encountered gas condensate in excellent quality sandstone reservoirs.

10 December 2010

First Oil in Ghana

Tullow Oil plc (Tullow), Anadarko Petroleum, Kosmos Energy, Ghana National Petroleum Corporation, Sabre Oil and Gas and E.O. Group announce that First Oil from the Jubilee field, offshore Ghana, will be celebrated today.

29 November 2010

First Oil from the Jubilee Field in Ghana scheduled for 15 December 2010

Tullow Oil plc (Tullow), Anadarko Petroleum, Kosmos Energy, Ghana National Petroleum Corporation, Sabre Oil and Gas and E.O. Group announce that First Oil from the Jubilee field, offshore Ghana, is scheduled for 15 December 2010.

15 November 2010

Oil discovery in the Mercury-1 exploration well offshore Sierra Leone

Anadarko Petroleum Corporation (NYSE: APC) today announced the Mercury-1 exploration well offshore Sierra Leone encountered approximately 135 net feet of oil pay in two Cretaceous-age fan systems.

10 November 2010

Tullow Oil plc - Interim Management Statement

Tullow Oil plc ("Tullow") issues the following Interim Management Statement, for the period 1 July to 9 November 2010, in accordance with reporting requirements of the EU Transparency Directive.

21 October 2010

Onyina-1 exploration well finds water bearing reservoirs

Tullow Oil plc (Tullow) announces that the Onyina-1 exploration well in the Deepwater Tano licence offshore Ghana encountered water bearing reservoirs.

15 October 2010

US$350 million additional debt funding secured

Tullow Oil plc (Tullow) announces that it has finalised and closed arrangements for an increase of US$350 million to its existing US$250 million corporate revolving credit facility,

13 September 2010

Owo-1 sidetrack confirms major oil discovery

Tullow Oil plc (Tullow) announces that the Owo-1 exploration sidetrack in the Deepwater Tano licence offshore Ghana has significantly extended the column of high quality light oil discovered by the Owo-1 well.

2 September 2010

Tullow acquires a 50% interest of the East African Rift Basins of Kenya and Ethiopia

Tullow Oil plc ("Tullow") announces the acquisition of a 50% operated interest in six adjacent licences covering the East African Rift Basins of Kenya and Ethiopia, an area of 97,000 sq km.

25 August 2010

2010 Half-yearly results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production Group, announces its half-yearly results for the six months ended 30 June 2010.

25 August 2010

Appointment of Tutu Agyare as a non-executive Director

Tullow Oil plc is delighted to announce the appointment of Tutu Agyare as a non-executive Director of the Group with effect from today.

28 July 2010

Successful Ngiri-2 appraisal well

Tullow Oil plc (Tullow) announces that the Ngiri-2 appraisal well, which is located in the Butiaba region of Uganda Block 1, has encountered over 40 metres of net oil bearing reservoir in two zones within an overall 131 metre gross oil bearing interval.

27 July 2010

Owo-1 exploration well discovers new oil field

Tullow Oil plc (Tullow) announces that the Owo-1 exploration well in the Deepwater Tano licence offshore Ghana has intersected a significant column of excellent quality light oil.

27 July 2010

Tullow completes the acquisition of Heritage’s Ugandan assets

Tullow Oil plc (“Tullow”) announces that on 26 July 2010, Tullow Uganda Limited (“Tullow Uganda”), a subsidiary of Tullow,

15 July 2010

Successful Nsoga-5 appraisal well result

Tullow Oil plc (Tullow) announces that the Nsoga-5 appraisal well, which is located in the Butiaba region of Uganda Block 2, has successfully encountered 10 metres of net oil pay.

7 July 2010

Government of Uganda approves sale of Heritage’s Ugandan assets to Tullow

Government of Uganda approves sale of Heritage’s Ugandan assets to Tullow and the subsequent farmdown to CNOOC and Total

6 July 2010

Change in presentational currency

Tullow Oil plc (“the Company”, together with its subsidiaries, “the Group”) will present its results in US Dollars with effect from 1 January 2010.

6 July 2010

Trading statement and operational update

Tullow Oil plc (Tullow) issues this Trading Statement in respect of the first half of the 2010 financial year ended 30 June 2010.

1 July 2010

Ghana Capital Markets Day

Tullow Oil plc (Tullow) announces that it is hosting a Capital Markets Day presentation today for a group of sell-side analysts in Ghana.

9 June 2010

Mahogany-5 successfully appraises southeast Jubilee

Tullow Oil plc (Tullow) announces that the Mahogany-5 appraisal well has continued the successful appraisal of the area immediately to the southeast of the Jubilee Field offshore Ghana.

19 May 2010

Exploration and Appraisal Update

Tullow Oil plc (Tullow) announces that the Nzizi-3 well in Uganda Block 2 has successfully appraised the Nzizi gas field and that the Noix de Coco-1 well in Gabon has encountered wet gas but in poor quality reservoir sandstones.

17 May 2010

New deepwater licence in Suriname

Tullow Oil plc (Tullow) announces that it has signed a Heads of Agreement with Staatsolie in relation to Block 47, a 2,369 sq km deepwater exploration licence offshore Suriname.

12 May 2010

Interim Management Statement

Tullow Oil plc (Tullow) issues the following Interim Management Statement, for the period 1 January to 12 May 2010, in accordance with reporting requirements of the EU Transparency Directive.

20 April 2010

Dahoma-1 exploration well results

Tullow Oil plc (Tullow) announces that the Dahoma-1 exploration well in the West Cape Three Points licence encountered water bearing reservoirs.

13 April 2010

Kasamene and Wahrindi North exploratory appraisal results

Tullow Oil plc (Tullow) announces that the Kasamene-3 and Kasamene-3A wells in the Butiaba region of Uganda Block 2 have successfully delineated the extent of oil in the Kasamene field and discovered oil in the Wahrindi North fault block.

1 April 2010

Likonde-1 exploration well result

Tullow Oil plc (Tullow) announces that the Likonde-1 well, onshore Tanzania, has encountered thick sands with hydrocarbon shows.

10 March 2010

2009 Full year results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its results for the year ended 31 December 2009.

1 March 2010

Successful OMOC-N-1 exploration well in the Onal production licence in Gabon

Maurel & Prom (85% operator) today issued the following press release relating to drilling on the Onal licence in which Tullow Oil plc has a 7.5% interest:

8 February 2010

Uganda update

Heritage Oil issues an update on the proposed disposal of its Ugandan Interest

27 January 2010

Successful placing of 80.4 million new ordinary shares

Tullow announces the completion of the placing announced earlier today (the "Placing"). A total of 80,431,796 new ordinary shares (the "Placing Shares") have been placed with institutions at a price of 1,150 pence per Placing Share (the "Placing Price").

27 January 2010

Tullow Oil plc announces a placing of up to 80.4 million new ordinary shares

Tullow Oil plc ("Tullow Oil", "Tullow" or the "Company") announces today its intention to place up to 80,431,796 new ordinary shares (the "Placing Shares") in the Company.

27 January 2010

Tullow Oil plc Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this Trading Statement in respect of its financial year to 31 December 2009. This is in advance of the Group’s Full Year Results, which are scheduled for release on 10 March 2010.

26 January 2010

Tullow signs Sale and Purchase Agreement to buy Heritage Ugandan interests

Tullow Oil plc ("Tullow") announces that today, its subsidiary, Tullow Uganda Limited has entered into a Sale and Purchase agreement (SPA) with Heritage Oil & Gas Limited ("HOGL") and Heritage Oil Plc ("Heritage")

22 January 2010

Kasamene-2 appraisal well - a success for early development plans

Tullow Oil plc (Tullow) announces that the Kasamene-2 appraisal well, which is located in the Butiaba region of Uganda Block 2, has encountered 39 metres of net oil pay and 8 metres of net gas pay within a 132 metre gross interval.

21 January 2010

Tweneboa-2 discovers significant oil and gas-condensate field

Tullow Oil plc (Tullow) announces that the Tweneboa-2 exploratory appraisal well, being drilled some 6 km southeast of the Tweneboa-1 discovery, has intersected a significant combined hydrocarbon column.

18 January 2010

Tullow exercises pre-emption right on proposed sale of Heritage’s Ugandan assets

Announcement from activity on 17 January 2010.

23 December 2009

Mahogany Deep-2 appraisal well confirms southerly extent of Jubilee field

Tullow Oil plc (Tullow) announces that the Mahogany Deep-2 appraisal well offshore Ghana confirmed the down-dip extent of the main Jubilee reservoirs in the West Cape Three Points Block and intersected two new light oil accumulations.

15 December 2009

US$250 million new debt funding secured

Tullow Oil plc (Tullow) announces that it has finalised arrangements for a US$250 million new revolving credit facility.

8 December 2009

Tullow farm out a 25% interest in French Guiana acreage to Total

Total have today issued the following press release regarding their acquisition of a 25% interest in Tullow Oil plc's Guyane Maritime Permit in French Guiana.

8 December 2009

Successful appraisal well drilled on the Odum field

Kosmos Energy, the operator of the Odum-2 appraisal well offshore Ghana, in which Tullow Oil plc (Tullow) is a 22.896% partner, today issued the following press release.

11 November 2009

Tullow Oil plc - Interim Management Statement

Strong performance continues; 85% exploration success rate year-to-date

15 October 2009

Equatorial Atlantic drilling update

Tullow Oil plc (Tullow) announces that the Mahogany-4 appraisal well has successfully encountered 43 metres of net pay and the South Grand Lahou-1 well encountered the targeted reservoir sands on prognosis but found them water-bearing at that location.

17 September 2009

Oil discovery in the Ngassa-2 exploration well in Uganda

Tullow Oil plc (Tullow) announces that the Ngassa-2 exploration well, which is located in the Kaiso-Tonya region of Block 2, has encountered 7 metres of oil pay in a 14 metre gross sand.

16 September 2009

Oil discovery in the Venus-B1 exploration well offshore Sierra Leone

Anadarko Petroleum Corporation, the operator of the deepwater Venus-B1 exploration well in Sierra Leone, in which Tullow Oil plc (Tullow) is a 10% partner, today issued the following press release.

25 August 2009

2009 Half-yearly results

Tullow Oil plc (Tullow), the independent oil and gas exploration and production group, announces its half-yearly results for the six months ended 30 June 2009.

4 August 2009

Oil discovery in the Ngara-1 exploration well in Uganda

Tullow Oil plc (Tullow) announces that the Ngara-1 exploration well, which is located in the Butiaba region of Uganda Block 2, has encountered over 8 metres of net oil pay.

15 July 2009

Jubilee Phase 1 Development Plan formally approved

Tullow Oil plc (Tullow) announces that on 13 July 2009, the Minister of Energy in Ghana formally approved the Jubilee field Phase 1 Development Plan and Unitisation Agreement on behalf of the Government of Ghana.

8 July 2009

Tullow Oil plc - Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this Trading Statement in respect of the first half of the 2009 financial year ended 30 June 2009.

8 July 2009

Tullow Oil plc - Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this Trading Statement in respect of the first half of the 2009 financial year ended 30 June 2009.

16 June 2009

Oil discovery in the Kigogole-3 exploration well in Uganda

Tullow Oil plc (Tullow) announces that the Kigogole-3 exploration well, which is located in the Butiaba region of Uganda Block 2, has encountered over 20 metres of net oil pay in two separate zones.

27 May 2009

Exploration drilling update - Uganda

Tullow Oil plc (Tullow) announces that the Awaka-1 exploration well, which is located in the Butiaba region of Uganda Block 2, has encountered water bearing reservoir sands.

12 May 2009

Tullow Oil plc - Interim Management Statement

Tullow Oil plc (Tullow) issues the following Interim Management Statement, for the period 1 January to 12 May 2009, in accordance with reporting requirements of the EU Transparency Directive.

9 May 2009

Oil discovery in the Nsoga-1 exploration well in Uganda

Tullow Oil plc (Tullow) announces that the Nsoga-1 exploration well, which is located in the Butiaba region of Uganda Block 2, has encountered good quality Kasamene-type oil bearing reservoirs in a down-dip location at the oil water contact.

25 March 2009

Tullow Oil plc - Drilling update

Tullow Oil plc (Tullow) announces that the deeper section of the Tweneboa-1 exploration well offshore Ghana and the Karuka-2 exploration well drilling the Vundu prospect in Block 2 Uganda have both encountered oil bearing sands.

11 March 2009

Tullow Oil plc 2008 full year results

Exciting outlook for 2009 as Tullow delivers the next phase of growth

9 March 2009

Significant discovery at Tweneboa-1 exploration well offshore Ghana

Tullow Oil plc (Tullow) announces that the Tweneboa-1 exploration well, drilled in the Deepwater Tano licence offshore Ghana, has discovered a significant highly-pressured light hydrocarbon accumulation.

9 March 2009

US$2 billion new debt funding secured

Tullow Oil plc (Tullow) announces that it has finalised arrangements for US$2 billion of new reserve based lend debt facilities.

5 February 2009

Uganda Block 3A: Kingfisher-3A update

Heritage Oil, the operator of the Kingfisher-3A appraisal well in Block 3A, Uganda, in which Tullow Oil plc (Tullow) is a 50% partner, today issued the following press release.

21 January 2009

Trading Statement and Operational Update

Tullow Oil plc (Tullow) issues this Trading Statement in respect of its financial year to 31 December 2008. This is in advance of the Group’s Full Year Results, which are scheduled for release on 11 March 2009.

21 January 2009

Tullow Oil plc announces a placing of up to 9.1% of its issued ordinary share capital

Tullow Oil plc ("Tullow Oil", "Tullow" or the "Company") announces today its intention to place up to 66,938,141 new ordinary shares (the "Placing Shares") in the Company

21 January 2009

Equity Placing Pricing

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, DIRECTLY OR INDIRECTLY, IN OR INTO THE UNITED STATES, CANADA, AUSTRALIA OR JAPAN.

13 January 2009

Major discovery in the Giraffe-1 exploration well in Uganda

Tullow Oil plc (Tullow) announces that the Giraffe-1 exploration well, which is located in the Butiaba region of Uganda Block 1, has encountered over 38 metres of net oil pay within an 89 metre gross oil bearing interval.

12 January 2009

Hyedua-2 appraisal well flows at 16,750 barrels of oil per day (bopd)

Tullow Oil plc (Tullow) announces that the Hyedua-2 well, which has been drilled to appraise the Jubilee field offshore Ghana, flowed at a stable rate of 16,750 bopd.

8 January 2009

Successful Mahogany-3 appraisal and exploration well

Tullow Oil plc (Tullow) announces that the Mahogany-3 well located in the West Cape Three Points licence offshore Ghana has intersected significant light oil columns in both the Jubilee field appraisal objective and also a deeper exploration target.

16 December 2008

Successful Buffalo-1 exploration well

Tullow Oil plc (Tullow) announces that the Buffalo-1 exploration well, which is located in the Butiaba region of Uganda Block 1, has encountered 15 metres of net gas pay and over 28 metres of net oil pay within a 123 metre gross interval.

11 December 2008

Successful Hyedua-2 and Kingfisher-3 appraisal wells

Tullow Oil plc (Tullow) announces successful drilling results from the Hyedua-2 appraisal well offshore Ghana and the Kingfisher-3 appraisal well in Uganda.

1 December 2008

Tullow completes sale of Hewett Unit Interest to Eni

Tullow Oil plc (Tullow) announces that it completed the sale of its 51.69% interest in the offshore Hewett Unit fields and related Bacton onshore gas processing terminal to Eni UK Limited (Eni) on 28 November 2008.

20 November 2008

Successful Ebony-1 exploration well offshore Ghana

Tullow Oil plc (“Tullow”) announces that the Ebony-1 exploration well, located in the Shallow Water Tano licence offshore Ghana, has intersected two hydrocarbon bearing intervals in Late Cretaceous turbidite sands.

12 November 2008

Interim Management Statement

Tullow Oil plc (Tullow) issues the following Interim Management Statement, for the period 1 July 2008 to 12 November 2008, in accordance with reporting requirements of the EU Transparency Directive.

23 October 2008

India campaign update

Tullow Oil plc ("Tullow") announces that it has concluded the current drilling campaign in India with completion of the latest well in Block CB-ON/1. The F1 well failed to encounter hydrocarbons and has been plugged and abandoned.

21 October 2008

Successful Warthog-1 exploration well in Block 1 Uganda

Heritage Oil, the operator of the Warthog-1 exploration well in Uganda, in which Tullow Oil plc (Tullow) is a 50% partner, issued the following press release today:

1 October 2008

Tullow Oil plc Capital Markets Day

Tullow Oil plc (Tullow) announces that it is hosting a Capital Markets Day today for a group of sell-side analysts.

16 September 2008

India campaign - drilling update

Tullow Oil plc announces that the G1 well, located in Block CB-ON/1 onshore India, has failed to encounter hydrocarbons and has been plugged and abandoned.

9 September 2008

Successful Kigogole-1 exploration well in Block 2 Uganda

Tullow Oil plc (“Tullow”) is pleased to announce an oil discovery with the Kigogole-1 exploration well in the Butiaba region of Block 2, Uganda.

28 August 2008

Half-yearly Results 2008

Tullow Oil plc (‘Tullow’), the independent oil and gas exploration and production group, announces its half-yearly results for the six months ended 30 June 2008.

27 August 2008

Ian Springett appointed to the Board of Tullow as Chief Financial Officer

Tullow Oil plc (Tullow) announces the appointment of Ian Springett (50) to the Board of Tullow as Chief Financial Officer (CFO) with effect from Monday 1 September 2008

6 August 2008

Uganda drilling update

Tullow Oil Plc (“Tullow”) is pleased to provide the following update on Exploration and appraisal drilling obligations in Uganda.

30 July 2008

India drilling update

Tullow Oil Plc announces that the C1 well, located in Block CB-ON-1 in the Cambay Rift Basin of India, has failed to encounter hydrocarbons.

10 July 2008

Positive second reservoir test from Mahogany-2 well, offshore Ghana

Tullow Oil plc (“Tullow”) is pleased to announce results of a second successful flow test on the Mahogany-2 appraisal well, which is part of the Jubilee field offshore Ghana.

9 July 2008

Tullow Oil plc Trading Statement and Operational Update

Tullow Oil plc ("Tullow") issues this Trading Statement in respect of the first half of the 2008 financial year and this Operational Update in respect of recent Production, Development and Exploration activities.

30 June 2008

Uganda Block 3A: Kingfisher-2 update

Heritage Oil, the operator of the Kingfisher-2 exploratory appraisal well in Block 3A, Uganda, in which Tullow Oil plc (Tullow) is a 50% partner, today issued the following press release.

30 June 2008

Director share dealings

Tullow Oil plc (Tullow) announces the following share dealings undertaken by certain Directors on 29 and 30 June 2008.

24 June 2008

Successful Ngege-1 exploration well in Block 2 Uganda

Tullow Oil plc (Tullow) announces further success in Uganda’s Lake Albert Rift Basin with the Ngege-1 exploration well encountering both oil and gas. The well is the second in a continuous exploration campaign in the Butiaba region of Blocks 1 and 2.

10 June 2008

Proposed sale of Hewett Unit interest to Eni

Tullow Oil plc (Tullow) announces that it has signed a Memorandum of Understanding with Eni UK (Eni) for the sale of its 51.69 % interest in the offshore Hewett Unit fields and related infrastructure, including the onshore Bacton terminal.

10 June 2008

Mahogany-2 appraisal well flows at 5,200 bopd on test

Tullow Oil plc (Tullow) announces that the Mahogany-2 well, which is being drilled to appraise the Jubilee field offshore Ghana,

14 May 2008

Appointment of Ann Grant as a non-executive Director

Tullow is delighted to announce the appointment of Ann Grant as a non-executive Director of the Group with effect from 15 May 2008.

14 May 2008

Interim Management Statement

Strong performance continues in 2008. Ghana and Uganda exploration and appraisal yielding exceptional results.

13 May 2008

Successful Taitai-1 exploration well in Uganda

Tullow Oil plc (Tullow) announces that the Taitai-1 exploration well, drilled in the Butiaba region of Uganda Block 2, has encountered five metres of net gas pay and at least eight metres of net oil pay.

7 May 2008

Drilling update: Banda NW ST-1, offshore Mauritania

ROC Oil, a participant in the Banda NW exploration well, in which Tullow Oil plc (Tullow) is also a partner, today issued the following press release:

30 April 2008

Tullow Oil plc - Banda NW appraisal well update

ROC Oil, a participant in the Banda NW exploration well, in which Tullow Oil plc (Tullow) is also a partner, today issued the following press release.

28 April 2008

Tullow Oil plc - Board Change

The Board of Tullow Oil plc (Tullow) announces with regret that Tom Hickey has today given notice of his resignation from the Board and from the position of Chief Financial Officer of Tullow.

3 April 2008

Sale of 10 CMS area blocks to Venture Production plc

Tullow Oil plc (Tullow) announces that it has agreed the sale of its interests in 10 CMS Area blocks to Venture Production plc for a total cash consideration of £35 million.

31 March 2008

Retirement of Matthew O’Donoghue, General Manager Projects

Matthew O'Donoghue, aged 63, will retire as General Manager Projects, and from the Board of Tullow, with effect from today.

12 March 2008

Tullow Oil plc 2007 final results

Tullow Oil plc ('Tullow'), the independent oil and gas exploration and production group, announces its results for the year ended 31 December 2007.

25 February 2008

Ghana and Uganda Exploration Update

Tullow Oil plc (Tullow) announces an oil discovery on the Odum-1 exploration well in Ghana and the decision to suspend the Ngassa exploration well and redrill from an alternative location.

31 January 2008

Resale of interest in M’Boundi to the Korea National Oil Company

Tullow Oil plc (Tullow) announces the sale of its 11% interest in the onshore M'Boundi field in Congo (Brazzaville) to the Korea National Oil Company (KNOC) for a total cash consideration of $435 million.

23 January 2008

Tullow Oil plc - Trading Statement and Operational Update

Tullow Oil plc ("Tullow") issues this Trading Statement in respect of its financial year to 31 December 2007 and this Operational Update in respect of recent Production, Development and Exploration activities.

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2019 Full Year Results

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November Trading Update

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Termination of farm-down agreement with Total and CNOOC in Uganda

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2019 Half Year Results

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Board Changes

2018 Full Year Results

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Capital Markets Day

November Trading Update

Cormorant-1 Well update

2018 Half Year Results

Result of Arbitration with Kosmos Energy

High Court Judgment: Seadrill vs Tullow Ghana Ltd

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2018 AGM Trading Update

Appointment of Dorothy Thompson CBE as non-executive Chair of Tullow Oil plc

Announcement of closing of $800 million senior notes

Pricing of $800m senior notes

Announcement of intention to offer $650m senior notes

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Well update – Sputnik-1 offshore Gabon