Executive Board Change

Premier Oil plc

"Premier" or the "Company"

Executive Board Change

16 December 2020

Further to the Company's announcement on 6 October 2020, Premier today confirms that Tony Durrant has stepped down from the Board of Directors with effect from 16 December 2020. Tony will remain Chief Executive of Premier until 31 December 2020.

As also previously announced, Richard Rose will be the Interim Chief Executive from 1 January 2021 until completion of the proposed merger with Chrysaor, in addition to his current role as Finance Director. Stuart Wheaton, currently Chief Operating Officer, will assume the role of Interim Deputy Chief Executive from 1 January 2021 until completion of the Transaction.

Roy Franklin, Chairman, commented:

"On behalf of the Board and all stakeholders, I would like to thank Tony for his personal commitment, dedication and significant contribution during his tenure as Chief Executive. We are extremely grateful for his steadfast leadership and guidance through what has been a challenging chapter in Premier's history and we wish him all the best for the future."

Premier enquiries

Richard Rose, Finance Director 020 7824 1116

Elizabeth Brooks, Head of Investors Relations

Camarco 020 3757 4983

Billy Clegg

Georgia Edmonds