Notice is hereby given pursuant to section 27 of the Trustee Act 1925 that the Trustee of the GPS Energy Solutions Section (the Section) of the Combined Nuclear Pension Plan (the Plan) are intending to distribute the assets of the Section in accordance with its governing documentation and overriding law. This will be achieved by securing all members' defined benefits (or final salary benefits) by the purchase of immediate and deferred annuities with an insurance company. Please note that other sections of the Plan are unaffected by these actions.

The following individuals are requested to write to: Combined Nuclear Pension Plan Trustees Limited as Trustee of the GPS Energy Solutions Section of the Combined Nuclear Pension Plan, [Herdus House, Westlakes Science & Technology Park, Moor Row, CA24 3HU] on or before 19 March 2023:

• any employee or former employee of:

° ATK Energy EU Limited (formerly known as EnergySolutions EU Limited)

who believes that they were a member of the Section and who is not already receiving a pension in respect of their membership of the Section and has not received any correspondence from the Plan trustees within the last 12 months;

• any person who believes themselves to be a beneficiary of the Section as the widow, widower or dependant of a deceased member of the Scheme; and

• any other person who believes they have a claim against, or an interest in, the Section.

Claimants should provide their full name, address, date of birth, National Insurance number and details of when they were members of the Section.

Your claim must arrive on or before 19 March 2023 from the date of this notice, at which time this notice shall expire. Claimants need not write if they have received correspondence from the Plan trustees within the last 12 months.

After 19 March 2023, the Plan trustees will proceed to deal with the assets of the Section among the persons entitled to them, having regard only to the claims and interests of which they have prior notice and, in relation to the assets used for such distribution, the Plan trustees will not be liable to any person or persons for a claim of which they do not have notice.

The Trustee of the GPS Energy Solutions Section of the Combined Nuclear Pension Plan.