These financial statements have been prepared and delivered in accordance with the provisions applicable to companies subject to the small companies regime.

The director of the company has elected not to include a copy of the profit and loss account within the financial statements.true

Uskmouth Holding Company Limited is a private company limited by shares incorporated in England and Wales. The registered office is Fourth Floor, 2 Kingsway, Cardiff, CF10 3FD.

These financial statements have been prepared in accordance with FRS 102 “The Financial Reporting Standard applicable in the UK and Republic of Ireland” (“FRS 102”) and the requirements of the Companies Act 2006 as applicable to companies subject to the small companies regime. The disclosure requirements of section 1A of FRS 102 have been applied other than where additional disclosure is required to show a true and fair view.

The financial statements are prepared in sterling, which is the functional currency of the company. Monetary amounts in these financial statements are rounded to the nearest £.

The financial statements have been prepared under the historical cost convention. The principal accounting policies adopted are set out below.

This company is a qualifying entity for the purposes of FRS 102, being a member of a group where the parent of that group prepares publicly available consolidated financial statements, including this company, which are intended to give a true and fair view of the assets, liabilities, financial position and profit or loss of the group. The company has therefore taken advantage of exemptions from the following disclosure requirements:

• Section 7 ‘Statement of Cash Flows’: Presentation of a statement of cash flow and related notes and disclosures;

• Section 11 ‘Basic Financial Instruments’ and Section 12 ‘Other Financial Instrument Issues: Interest income/expense and net gains/losses for financial instruments not measured at fair value; basis of determining fair values; details of collateral, loan defaults or breaches, details of hedges, hedging fair value changes recognised in profit or loss and in other comprehensive income;

• Section 33 ‘Related Party Disclosures’: Compensation for key management personnel.

The financial statements of the company are consolidated in the financial statements of Carron Energy Limited. These consolidated financial statements are available from its registered office, Fourth Floor, 2 Kingsway, Cardiff, United Kingdom, CF10 3FD.

The company has elected to apply the provisions of Section 11 ‘Basic Financial Instruments’ and Section 12 ‘Other Financial Instruments Issues’ of FRS 102 to all of its financial instruments.

Financial instruments are recognised in the company's balance sheet when the company becomes party to the contractual provisions of the instrument.

Financial assets and liabilities are offset, with the net amounts presented in the financial statements, when there is a legally enforceable right to set off the recognised amounts and there is an intention to settle on a net basis or to realise the asset and settle the liability simultaneously.

Debtors and creditors with no stated interest rate and receivable or payable within one year are recorded at transaction price. Any losses arising from impairment are recognised in the profit and loss account in other administrative expenses.

The average monthly number of persons (including directors) employed by the company during the year was:

As the income statement has been omitted from the filing copy of the financial statements, the following information in relation to the audit report on the statutory financial statements is provided in accordance with s444(5B) of the Companies Act 2006.

The auditor's report is unqualified and includes the following:

In our opinion the financial statements:

• give a true and fair view of the state of the company's affairs as at 31 March 2025 and of its profit for the year then ended;

• have been properly prepared in accordance with United Kingdom Generally Accepted Accounting Practice; and

• have been prepared in accordance with the requirements of the Companies Act 2006.

The immediate parent company is Welsh Power Group Limited, a company incorporated in the United Kingdom with the registered office being the same as that of this company.

The intermediate parent company is Carron Energy Limited, a company incorporated in the United Kingdom with the registered office being the same as that of this company. Carron Energy Limited is the parent of the largest and smallest group of which the company is a member and for which consolidated financial statements are prepared.

Copies of the consolidated financial statements of Carron Energy Limited are available from the company's registered office being the same as that of this company.

The ultimate parent company is CEL Trustee Limited, a company incorporated in the United Kingdom with the registered office being the same as that of this company. CEL Trustee Limited is a company limited by guarantee.

There is no ultimate controlling party.