Total Voting Rights 30 December 2022

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Proposed Acquisition of Tailwind Energy Investments Ltd 20 December 2022

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Block Listing Application 15 December 2022

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Operations Update 05 December 2022

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Standard form for notification of major holdings 15 November 2022

---

Total Voting Rights 31 October 2022

---

Standard form for notification of major holdings 19 October 2022

---

Total Voting Rights 30 September 2022

---

Results for the six months ended 30 June 2022 27 September 2022

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North Eigg Drilling Update 14 September 2022

---

Total Voting Rights 31 August 2022

---

Standard form for notification of major holdings 25 August 2022

---

Block Listing Six Monthly Return 24 August 2022

---

Standard form for notification of major holdings 24 August 2022

---

Block Listing Six Monthly Return 19 August 2022

---

Standard form for notification of major holdings 19 August 2022

---

Block Listing Six Monthly Return 11 August 2022

---

Form 8.3 - Serica Energy plc 09 August 2022

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Form 8.3 - Serica Energy plc 09 August 2022

---

Statement of intention not to make an offer for Kistos plc 09 August 2022

---

Form 8.3 - Serica Energy plc 05 August 2022

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Standard form for notification of major holdings 05 August 2022

---

Serica Energy plc (“Serica”) securities in issue pursuant to Rule 2.9 04 August 2022

---

Form 8.3 - Serica Energy plc 03 August 2022

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Form 8.3 - Serica Energy plc 02 August 2022

---

Serica Energy plc (“Serica”) securities in issue pursuant to Rule 2.9 02 August 2022

---

Form 8.3 - Serica Energy plc 01 August 2022

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Total Voting Rights 29 July 2022

---

Form 8.3 - Serica Energy plc 29 July 2022

---

Form 8.3 - Serica Energy plc 28 July 2022

---

Form 8.3 - Serica Energy plc 26 July 2022

---

Form 8.3 - Serica Energy plc 26 July 2022

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Statement re. Possible Offer 25 July 25 July 2022

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Block Listing Six Monthly Return 21 July 2022

---

Operations Update 20 July 2022

---

Standard form for notification of major holdings 15 July 2022

---

Statement re. possible offer 13 July 2022

---

Serica Energy plc (“Serica”) securities in issue pursuant to Rule 2.9 12 July 2022

---

Statement re. possible offer 12 July 2022

---

Spud of North Eigg Exploration Well 11 July 2022

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Standard form for notification of major holdings 08 July 2022

---

Standard form for notification of major holdings 01 July 2022

---

Result of Annual General Meeting 30 June 2022

---

Corporate Presentations for Annual General Meeting 30 June 2022

---

Total Voting Rights 30 June 2022

---

Standard form for notification of major holdings 29 June 2022

---

Board Changes 21 June 2022

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Standard form for notification of major holdings 21 June 2022

---

Block Listing Application 09 June 2022

---

Corporate Update 06 June 2022

---

Standard form for notification of major holdings 01 June 2022

---

Total Voting Rights 31 May 2022

---

Standard form for notification of major holdings 27 May 2022

---

Long Term Incentive Plan Awards 17 May 2022

---

Publication of Annual Report, Notice of AGM and ESG Report 05 May 2022

---

Standard form for notification of major holdings 03 May 2022

---

Total Voting Rights 29 April 2022

---

Retirement of Non-Executive Director 27 April 2022

---

Investor Presentation 21 April 2022

---

Results for the year ended 31 December 2021 21 April 2022

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Standard form for notification of major holdings 12 April 2022

---

Notification of FY 2021 Results 07 April 2022

---

Total Voting Rights 31 March 2022

---

Rhum Production Restart 17 March 2022

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Total Voting Rights 01 March 2022

---

Rhum Production Update 28 February 2022

---

Block Listing Six Monthly Return 24 February 2022

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Block Listing Six Monthly Return 21 February 2022

---

Block Listing Application 17 February 2022

---

Standard form for notification of major holdings 15 February 2022

---

Block Listing Six Monthly Return 09 February 2022

---

Total Voting Rights 31 January 2022

---

Corporate Update 20 January 2022

---

Block Listing Application 17 January 2022

---

Total Voting Rights 31 December 2021

---

Operations Update 09 December 2021

---

Appointment of Non-Executive Director 07 December 2021

---

Total Voting Rights 30 November 2021

---

Columbus First Production 25 November 2021

---

Standard form for notification of major holdings 11 November 2021

---

Standard form for notification of major holdings 09 November 2021

---

PDMR Dealings 04 November 2021

---

Total Voting Rights 29 October 2021

---

Columbus Update 29 October 2021

---

Total Voting Rights 30 September 2021

---

Results for the six months ended 30 June 2021 28 September 2021

---

Appointment of Non-Executive Director 28 September 2021

---

Standard form for notification of major holdings 22 September 2021

---

Notification of Interim Results 06 September 2021

---

Standard form for notification of major holdings 06 September 2021

---

Standard form for notification of major holdings 06 September 2021

---

Appointment of Director 03 September 2021

---

First Production from Rhum R3 Well 02 September 2021

---

Total Voting Rights 01 September 2021

---

Block Listing Six Monthly Return 24 August 2021

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Block Listing Six Monthly Return 19 August 2021

---

Block Listing Six Monthly Return 09 August 2021

---

Standard form for notification of major holdings 02 August 2021

---

Total Voting Rights 30 July 2021

---

Successful Flow Test Results from Columbus Development Well 13 July 2021

---

Standard form for notification of major holdings 02 July 2021

---

Standard form for notification of major holdings 01 July 2021

---

Standard form for notification of major holdings 30 June 2021

---

Total Voting Rights 30 June 2021

---

Standard form for notification of major holdings 25 June 2021

---

Result of Annual General Meeting and Retirement of Non-Executive Director 24 June 2021

---

Arrangements for Annual General Meeting 15 June 2021

---

Rhum R3 Well Flow Test Results 10 June 2021

---

Total Voting Rights 28 May 2021

---

Notice of Annual General Meeting 27 May 2021

---

Columbus and R3 Operational Update 25 May 2021

---

Long Term Incentive Plan Awards 17 May 2021

---

Standard form for notification of major holdings 07 May 2021

---

Publication of 2020 Annual Report and ESG Report 04 May 2021

---

Total Voting Rights 30 April 2021

---

Standard form for notification of major holdings 28 April 2021

---

Results for the year ended 31 December 2020 15 April 2021

---

Notification of FY 2020 Results 08 April 2021

---

Total Voting Rights 31 March 2021

---

Standard form for notification of major holdings 22 March 2021

---

Columbus Development Well Spud 17 March 2021

---

Total Voting Rights 26 February 2021

---

Block Listing Six Monthly Return 24 February 2021

---

Block Listing Six Monthly Return 19 February 2021

---

Standard form for notification of major holdings 12 February 2021

---

Total Voting Rights 29 January 2021

---

OFAC License Renewal and Corporate Update 21 January 2021

---

Block Listing Application 12 January 2021

---

Standard form for notification of major holdings 07 January 2021

---

Standard form for notification of major holdings 06 January 2021

---

Standard form for notification of major holdings 04 January 2021

---

Total Voting Rights 31 December 2020

---

Operations Update 15 December 2020

---

Total Voting Rights 30 November 2020

---

Total Voting Rights 30 October 2020

---

Operations Update 12 October 2020

---

Total Voting Rights 30 September 2020

---

Results for the six months ended 30 June 2020 10 September 2020

---

32nd Round Licence Offer 04 September 2020

---

Notification of Interim Results 02 September 2020

---

Block Listing Application 01 September 2020

---

Total Voting Rights 28 August 2020

---

Block Listing Six Monthly Return 24 August 2020

---

Block Listing Six Monthly Return 19 August 2020

---

Director/PDMR Shareholding 27 July 2020

---

Director / PDMR Shareholding 01 July 2020

---

Total Voting Rights 30 June 2020

---

Results of Annual General Meeting 25 June 2020

---

Annual Report and Notice of Annual General Meeting 29 May 2020

---

Total Voting Rights 29 May 2020

---

Director / PDMR Shareholding 18 May 2020

---

Long Term Incentive Plan Awards 18 May 2020

---

Standard form for notification of major holdings 15 May 2020

---

Drilling Rig Contracted for Rhum-3 Well Intervention 12 May 2020

---

Total Voting Rights 30 April 2020

---

Results for the year ended 31 December 2019 23 April 2020

---

Notification of FY 2019 Results 21 April 2020

---

Standard form for notification of major holdings 16 March 2020

---

Bruce Platform Restart 09 March 2020

---

Total Voting Rights 28 February 2020

---

Block Listing Six Monthly Return 25 February 2020

---

Block Listing Six Monthly Return 14 February 2020

---

Total Voting Rights 31 January 2020

---

Bruce Platform 30 January 2020

---

Corporate Update 14 January 2020

---

Total Voting Rights 02 January 2020

---

New UKCS Licence Award 18 December 2019

---

Total Voting Rights 31 October 2019

---

Receipt of OFAC License and Assurance for Rhum 24 October 2019

---

Total Voting Rights 30 September 2019

---

Standard form for notification of major holdings 26 September 2019

---

Results for the six months ended 30 June 2019 24 September 2019

---

Notification of Interim Results 16 September 2019

---

Total Voting Rights 30 August 2019

---

Block Listing Six Monthly Return 23 August 2019

---

Block Listing Six Monthly Return 16 August 2019

---

Total Voting Rights 31 July 2019

---

Total Voting Rights 28 June 2019

---

Results of Annual General Meeting 27 June 2019

---

Operational and Financial Update to be Presented at Annual General Meeting 27 June 2019

---

Annual Report and Notice of Annual General Meeting 03 June 2019

---

Total Voting Rights 31 May 2019

---

Total Voting Rights 30 April 2019

---

Exercise of Options 26 April 2019

---

Results for the year ended 31 December 2018 17 April 2019

---

Notification of FY 2018 Results 09 April 2019

---

Rowallan Well Result 04 April 2019

---

TR-1 Notification of Major Holdings 02 April 2019

---

Total Voting Rights 01 April 2019

---

Change of Registered Office 25 March 2019

---

Long Term Incentive Plan Awards 05 March 2019

---

Total Voting Rights 28 February 2019

---

Block Listing Six Monthly Return 26 February 2019

---

Block Listing Application 13 February 2019

---

Analyst Site Visit 16 January 2019

---

Rowallan Exploration Well Spud 31 December 2018

---

PDMR Dealings 11 December 2018

---

Completion of the acquisition of Total E&P, BHP and Marubeni interests in Bruce and Keith fields 30 November 2018

---

Completion of the acquisition of BP's interests in Bruce, Keith and Rhum fields and Re-Admission to Trading on AIM 30 November 2018

---

Publication of Supplementary Admission Document 26 November 2018

---

Schedule 1 Announcement 16 November 2018

---

Acquisition of Marubeni Interests in Bruce and Keith 06 November 2018

---

Satisfaction of OFAC License conditions relating to the Rhum field 05 November 2018

---

Acquisition of BHP Interests in Bruce and Keith 05 November 2018

---

Columbus Field Development Plan Approval 31 October 2018

---

Restart of Erskine Production 26 October 2018

---

Update on Erskine Operations 11 October 2018

---

Receipt of OFAC License and Assurance for Rhum 09 October 2018

---

Total Voting Rights 01 October 2018

---

Update on OFAC License for Rhum 01 October 2018

---

Interim Results for the six months ended 30 June 2018 28 September 2018

---

Update on BKR Transaction 07 September 2018

---

Total Voting Rights 31 August 2018

---

Block Listing Six Monthly Return 24 August 2018

---

Acquisition of Total E&P’s Interests in Bruce and Keith 03 August 2018

---

Results of AGM 28 June 2018

---

Columbus Field Development Plan Submission 28 June 2018

---

Annual Report and Notice of Annual General Meeting 04 June 2018

---

Total Voting Rights 31 May 2018

---

Award of Options 25 May 2018

---

Offshore licence awards in UK 30th Round 24 May 2018

---

Update on BKR Transaction, US Sanctions, and Rhum Operations 22 May 2018

---

Response to US Government statement on Iran 09 May 2018

---

Erskine Field Update 24 April 2018

---

Results for the year ended 31 December 2017 10 April 2018

---

Notice of Results 27 March 2018

---

Holdings in Company 09 March 2018

---

Operations Update 09 March 2018

---

Total Voting Rights 01 March 2018

---

Notification of Major Holdings 21 February 2018

---

Block Listing Application 21 February 2018

---

PDMR Dealings 31 January 2018

---

Operations Update 29 January 2018

---

Erskine production interruption 22 January 2018

---

Bruce, Keith and Rhum Fields restart 12 January 2018

---

Forties Pipeline and Erskine Field restart 03 January 2018

---

General Meeting (“GM”) Results 18 December 2017

---

Forties Pipeline shutdown 12 December 2017

---

Admission Document and Notice of General Meeting 30 November 2017

---

Holdings in Company 23 November 2017

---

Acquisition of BP interests in the Bruce, Keith and Rhum fields in the North Sea 21 November 2017

---

Interim Results 28 September 2017

---

Erskine field operations update 25 September 2017

---

Erskine field operations update 15 September 2017

---

Erskine field operations update 29 August 2017

---

Notification of major holdings 31 July 2017

---

Results of 2017 Annual General Meeting 29 June 2017

---

2017 Annual General Meeting 29 June 2017

---

2017 Annual General Meeting 30 May 2017

---

Results for the year ended 31 December 2016 06 April 2017

---

Operations Update 10 January 2017

---