SCHEME DOCUMENT AND FORMS OF PROXY

Scheme Document Cover Letter / Web Notification (Hard Copy)
28 May 2026

Scheme Document Cover Letter / Web Notification (Hard Copy)

Scheme Document Web Notification (Email)
28 May 2026

Scheme Document Web Notification (Email)

General Meeting – Form of Proxy
28 May 2026

General Meeting – Form of Proxy

Court Meeting – Form of Proxy
28 May 2026

Court Meeting – Form of Proxy

Scheme Document
28 May 2026

Scheme Document

ARTICLES

Deltic Energy plc – Memorandum and Articles of Association – Amended (clean copy)
28 May 2026

Deltic Energy plc – Memorandum and Articles of Association – Amended (clean copy)

Deltic Energy plc – Memorandum and Articles of Association – Amended (tracked changes copy)
28 May 2026

Deltic Energy plc – Memorandum and Articles of Association – Amended (tracked changes copy)

Deltic Energy plc – Memorandum and Articles of Association
28 Aug 2025

Deltic Energy plc – Memorandum and Articles of Association

NEO NEXT+ Energy Upstream UK Limited – Memorandum and Articles of Association
15 Jul 2020

NEO NEXT+ Energy Upstream UK Limited – Memorandum and Articles of Association

FINANCIAL INFORMATION

Deltic Energy plc – Unaudited interim financial results
30 Jun 2025

Deltic Energy plc – Unaudited interim financial results

Deltic Energy plc – Annual Report & Accounts 2024
31 Dec 2024

Deltic Energy plc – Annual Report & Accounts 2024

NEO NEXT+ Energy Upstream UK Limited – Annual Report & Financial Statements 2024
31 Dec 2024

NEO NEXT+ Energy Upstream UK Limited – Annual Report & Financial Statements 2024

Deltic Energy plc – Annual Report & Accounts 2023
31 Dec 2023

Deltic Energy plc – Annual Report & Accounts 2023

NEO NEXT+ Energy Upstream UK Limited – Annual Report & Financial Statements 2023
31 Dec 2023

NEO NEXT+ Energy Upstream UK Limited – Annual Report & Financial Statements 2023

CONSENT LETTERS IN RESPECT OF THE SCHEME DOCUMENT

Allenby Capital Limited – Consent Letter – Scheme Document
28 May 2026

Allenby Capital Limited – Consent Letter – Scheme Document

Peel Hunt LLP – Consent Letter – Scheme
28 May 2026

Peel Hunt LLP – Consent Letter – Scheme

OPTIONHOLDERS

Letter to Optionholders
28 May 2026

Letter to Optionholders

RULE 2.7 ANNOUNCEMENT

IRREVOCABLE UNDERTAKINGS GIVEN BY DIRECTORS OF DELTIC GROUP PLC

Director Irrevocable Undertaking (Peter Nicol)
7 May 2026

Director Irrevocable Undertaking (Peter Nicol)

Director Irrevocable Undertaking (Mark Lappin)
7 May 2026

Director Irrevocable Undertaking (Mark Lappin)

Director Irrevocable Undertaking (Andrew Nunn)
7 May 2026

Director Irrevocable Undertaking (Andrew Nunn)

IRREVOCABLE UNDERTAKINGS GIVEN BY SHAREHOLDERS

Shareholder Irrevocable Undertaking (Sarah Flavell)
7 May 2026

Shareholder Irrevocable Undertaking (Sarah Flavell)

Shareholder Irrevocable Undertaking (Lord Spencer of Alresford)
7 May 2026

Shareholder Irrevocable Undertaking (Lord Spencer of Alresford)

Shareholder Irrevocable Undertaking (RockRose Energy Limited)
7 May 2026

Shareholder Irrevocable Undertaking (RockRose Energy Limited)

Shareholder Irrevocable Undertaking (IPGL Limited)
7 May 2026

Shareholder Irrevocable Undertaking (IPGL Limited)

CONFIDENTIALITY AGREEMENT

COST COVERAGE AGREEMENT

BRIDGING FACILITY AGREEMENT

CONSENT LETTERS IN RESPECT OF THE RULE 2.7 ANNOUNCEMENT

Peel Hunt LLP – Consent Letter
7 May 2026

Peel Hunt LLP – Consent Letter

Allenby Capital Limited – Consent Letter
6 May 2026

Allenby Capital Limited – Consent Letter

RULE 2.4 ANNOUNCEMENT

Rule 2.4 Announcement (amended)
22 Apr 2026

Rule 2.4 Announcement (amended)

Rule 2.4 Announcement
22 Apr 2026

Rule 2.4 Announcement

RULE 2.11 LETTERS

Rule 2.11 – letter to shareholders (hard copy) (Recommended Offer)
8 May 2026

Rule 2.11 – letter to shareholders (hard copy) (Recommended Offer)

Rule 2.11 – letter to employees (Recommended Offer)
8 May 2026

Rule 2.11 – letter to employees (Recommended Offer)

Rule 2.11 – letter to option holders (Recommended Offer)
8 May 2026

Rule 2.11 – letter to option holders (Recommended Offer)

Rule 2.11 – email to shareholders (website notification) (Recommended Offer)
8 May 2026

Rule 2.11 – email to shareholders (website notification) (Recommended Offer)

Rule 2.11 – letter to shareholders (website notification) (Recommended Offer)
8 May 2026

Rule 2.11 – letter to shareholders (website notification) (Recommended Offer)

Rule 2.11 letter to employees (Possible Offer)
23 Apr 2026

Rule 2.11 letter to employees (Possible Offer)

Rule 2.11 letter to shareholders (Hard Copy) (Possible Offer)
23 Apr 2026

Rule 2.11 letter to shareholders (Hard Copy) (Possible Offer)

Rule 2.11 letter to shareholders (Web notification) (Possible Offer)
23 Apr 2026

Rule 2.11 letter to shareholders (Web notification) (Possible Offer)

Rule 2.11 email to shareholders (Possible Offer)
23 Apr 2026

Rule 2.11 email to shareholders (Possible Offer)

OTHER ANNOUNCEMENTS

Scheme of Arrangement becomes Effective
14 Aug 2026

Scheme of Arrangement becomes Effective

Court Sanction of Scheme of Arrangement
13 Aug 2026

Court Sanction of Scheme of Arrangement

Location of Sanction Hearing
6 Aug 2026

Location of Sanction Hearing

NSTA Consent and Event Timeline Update
24 Jul 2026

NSTA Consent and Event Timeline Update

Results of Court Meeting and General Meeting
24 Jun 2026

Results of Court Meeting and General Meeting

No intention to make an offer for Deltic Energy plc (Blue Concept)
10 Jun 2026

No intention to make an offer for Deltic Energy plc (Blue Concept)

Deadline for Clarification
9 Jun 2026

Deadline for Clarification

No intention to make an offer for Deltic Energy plc (Petrogas)
3 Jun 2026

No intention to make an offer for Deltic Energy plc (Petrogas)

Publication and Posting of the Scheme Document
28 May 2026

Publication and Posting of the Scheme Document

Receipt of payment from Dana Petroleum (E&P) Limited
27 May 2026

Receipt of payment from Dana Petroleum (E&P) Limited