Contract analysis

1. Purpose This memorandum confirms the Calderwood & Harkness LLP ("C&H" or the "Firm") engagement team composition, individual billing rates, specialist assignments, and anticipated workstream allocations for the Firm's representation of Dunmore Energy Holdings Ltd. ("DEH"), a Cayman Islands-exempted company, and its wholly-owned subsidiary Dunmore upstream Finance Corp. ("DUFC"), a Delaware corporation, as co-issue

2. Engagement Team — Core Members The following professionals have been assigned to this engagement. Each team member's role, office location, billing rate, and primary responsibilities are set forth below. All team members have been cleared through the Firm's conflicts system, as confirmed in the Conflict Check Memorandum dated April 14, 2025. 2.1 Jennifer Kwon — Responsible Partner Title: Partner, Capital Markets P

3. Rate Schedule Summary The following table summarizes the billing rates for all core engagement team members: The above rates are effective as of the engagement date of April 14, 2025, and are subject to the Firm's standard annual rate adjustment policy, which provides for rate adjustments on January 1 of each calendar year. Given that this engagement is expected to close on or about May 15, 2025, no rate adjustmen

4. Workstream Assignments The following subsections set forth the assignment of team members and the scope of work for each principal workstream of the engagement. 4.1 Principal Transaction Documents Lead: Eric Johannsen (drafting); Jennifer Kwon (supervision and negotiation) Support: Claire Dempsey (ancillary documents, including corporate authorization documents and UCC filings) Scope: This workstream encompasses t

5. Key Timeline and Milestones The following table sets forth the critical dates, milestones, and primary C&H team member responsibilities for the engagement. This timeline is based on current expectations and is subject to adjustment based on market conditions, client and counterparty schedules, and the progress of negotiations. The engagement team should note that the period from April 21 through April 28, 2025, wi

6. External Counsel and Advisor Coordination Matrix The following table identifies all external counsel and advisors engaged on this transaction, their respective roles, and the designated C&H team contact for each: All communications with external counsel and advisors should be routed through the designated C&H contacts identified above. Eric Johannsen is authorized to transmit drafts and conduct day-to-day negotiat

7. Estimated Budget Allocation by Workstream The following table sets forth the preliminary estimated budget allocation by workstream. All estimates are indicative and subject to adjustment based on the actual scope and complexity of work as the engagement progresses. The total estimated aggregate fees for this engagement are $3,200,000 to $3,800,000. The above estimates are exclusive of the following, which are bill

8. Additional Staffing Notes The following additional staffing considerations are noted for the record: Supplemental Staffing. This engagement may require additional associate or paralegal support during peak drafting periods. The two periods of highest anticipated resource demand are (i) the Preliminary Offering Memorandum preparation period of April 21 through April 28, 2025, during which the full OM draft must be

9. Distribution This memorandum is for internal Calderwood & Harkness LLP use only. It constitutes attorney work product and is protected by the attorney-client privilege and the work product doctrine. This memorandum should not be disclosed to the client or any third party without the prior written approval of Jennifer Kwon or Theodore Langston. Distributed to: • Jennifer Kwon, Responsible Partner • Theodore Langsto