EnQuest Heather Limited as Operator, has submitted, for the consideration of the Secretary of State for Department for Energy Security & Net Zero, draft Decommissioning Programmes for the Thistle Alpha pipeline and SALM base, located in UK Block 211/18a 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 items covered by the Decommissioning Programme are the pipelines and SALM base associated with the Thistle Alpha platform located approximately 201km North-East of Shetland. The pipelines are:

· PL13

· PL74

· PL75

· PL166

· PL4555

· PL4556

· PLU6221 riser

EnQuest Heather Limited hereby gives notice that the Decommissioning Programme for Thistle Alpha pipelines and SALM base 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 Ian Wood at mailto:ian.wood@enquest.com.

Interested parties are kindly requested to submit any representations in writing or electronically by 12 December 2024to the following address for the attention of Ian Wood:

EnQuest Heather Limited

Charles House, 2nd Floor

5-11 Regent Street

London

SW1Y 4LR

Date 12 November 2024