AB11 5QP

ENQUEST HEATHER LIMITED PETROLEUM ACT 1998 THISTLE ALPHA TOPSIDES DECOMMISSIONING EnQuest Heather Limited has submitted, for the consideration of the Secretary of State for Business, Energy & Industrial Strategy, a draft Decommissioning Programme for the topsides of the Thistle Alpha located in UK Block 211/18a of the Northern North Sea Sector of the United Kingdom Continental Shelf. In accordance with the provisions of the Petroleum Act 1998, it is a requirement of the Act that interested parties be consulted on such decommissioning proposals. The facilities covered by the Decommissioning Programme are: The topsides of the Thistle Alpha platform located approximately 201km North-East of Shetland. EnQuest Heather Limited hereby gives notice that the Decommissioning Programme for Heather Alpha topsides can be viewed at the following internet address: www.enquest.com/operations/uk-decommissioning Alternatively, a digital or hardcopy of the Decommissioning Programme can be requested from Mr Ian Wood at ian.wood@ enquest.com. Interested parties are kindly requested to submit any representations in writing or electronically by XX-XXX- 2021 to the following address for the attention of Mr Ian Wood: EnQuest Heather Limited 5th Floor, Cunard House 15 Regent Street London SW1Y 4LR Date 21 September 2020.