6 June 2022

Rockhopper Exploration plc

("Rockhopper", the "Group" or the "Company")

Annual Report and 2022 Annual General Meeting

Further to the announcement of the Company's results for the year ended 31 December 2021 on 30 May 2022, Rockhopper Exploration plc (AIM: RKH) confirms that the Annual Report and Accounts for the year ended 31 December 2021 together with documentation for the 2022 Annual General Meeting will be available on the Company's website from midday today.

Enquiries:

Rockhopper Exploration plc

Sam Moody - Chief Executive Officer

Tel. +44 (0) 20 7390 0234 (via Vigo Consulting)

Canaccord Genuity Limited (NOMAD and Joint Broker)

Henry Fitzgerald-O'Connor/Gordon Hamilton

Tel. +44 (0) 20 7523 8000

Peel Hunt LLP (Joint Broker)

Richard Crichton

Tel. +44 (0) 20 7418 8900

Vigo Consulting

Patrick d'Ancona/Ben Simons/Kendall Hill

Tel. +44 (0) 20 7390 0234