Nostrum Oil & Gas PLC announced the resignation of Mr. Simon Byrne from the Board of Directors of the Company effective 4 January 2021. Mr. Byrne has confirmed that Mayfair Investments BV will not be nominating a director to replace him on the Board of the Company. In accordance with the Company's Articles of Association, the appointment by Mr. Byrne of Mr. Pankaj Jain as an alternate director for him also ceased at the same time as Mr. Byrne's resignation took effect.