PMO.L Regulatory News (PMO)

Premier Oil plc (the "Company")

Board Changes

5 March 2020

Elisabeth Proust will join the Company's Board as an independent Non-Executive Director and member of the Health, Safety, Environment and Security Committee and Nomination Committee with effect from 1 April 2020. Elisabeth will stand for election by shareholders at the forthcoming Annual General Meeting to be held on 12 May 2020.

Elisabeth spent more than 35 years with Total SA holding several senior leadership roles including Vice President Development Engineering and managing director of Total's affiliates in Indonesia, Nigeria and the UK. Elisabeth was also president of the oil and gas association in Indonesia (IPA), then in Nigeria (OPTS) and, whilst in the UK, as director at the Oil and Gas UK Association board, Oil and Gas Technology Centre, Step Change in Safety and the Technology Leadership boards. Elisabeth is currently a non-executive director for Subsea 7, the Oslo-listed leading subsea engineering construction and services company servicing the offshore energy industry.

Robin Allan, Executive Director, UK & North Sea, will be leaving the Board at the close of the AGM on 12 May 2020. Robin will continue to work for Premier on a part-time consultancy basis, with a particular focus on ESG matters and Premier's response to the climate change agenda.

Roy Franklin, Chairman, commented:

"I am delighted to welcome Elisabeth to the Board. Elisabeth's technical and operational experience and skills within the exploration and production industry will be of enormous value to the Board and the Company as a whole.

"I would particularly like to thank Robin Allan for his significant contribution to Premier. Robin has been an executive Board member for over 16 years and his contribution to the Company is marked both by his achievements within the business and with industry bodies such as Oil and Gas UK and BRINDEX. I am delighted that Robin will continue to play a key role going forward in supporting our response to the climate change agenda and ESG initiatives."

Enquiries:

Premier Oil plcRoy Franklin, ChairmanTel: 020 7730 1111

Camarco

Billy Clegg

James CrothersTel: 020 3757 4983

Additional disclosures

No other information is required to be disclosed in relation to the appointment of Elisabeth Proust pursuant to paragraph 9.6.13R of the FCA's Listing Rules.