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 Heather Alpha located in UK Block 2/5 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 facility covered by the Decommissioning Programme is the upper jacket of the Heather Alpha platform located approximately 458km North-North-East of Aberdeen.

EnQuest Heather Limited hereby gives notice that the Decommissioning Programme for Heather Alpha upper jacket 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 08 November 2022 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 07 Oct 2022