Wessex Water Services Finance Plc Issues Supplementary Admission Particulars for £5bn Euro Medium Term Note Programme

Details of the £5bn Euro Medium Term Note Programme

Wessex Water Services Finance Plc has established a £5 billion Euro Medium Term Note Programme designed to support the company’s capital needs and refinancing strategies. This programme operates under a structured regulatory and disclosure framework, with periodic updates to documentation reflecting changes in financial status, legal conditions, or market factors. The latest update, issued on 21 July 2026, supplements the base admission particulars dated 16 December 2025, together forming the full Admission Particulars governing the EMTN Programme.

Notes issued through this programme carry an unconditional and irrevocable guarantee from Wessex Water Services Limited, the parent operating company. This guarantee enhances security for noteholders and underscores the financial strength of the wider Wessex Water group. The £5bn programme capacity positions Wessex Water as a significant issuer in European debt capital markets, offering flexibility for future capital raising aligned with operational and investment priorities.

Publication of Supplementary Admission Particulars on 21 July 2026

The supplementary admission particulars released on 21 July 2026 update the regulatory documentation to maintain accuracy, completeness, and compliance with disclosure requirements. Such supplements typically address material financial developments, changes in guarantees, risk disclosures, regulatory shifts, or other factors impacting noteholders. The full details of the 21 July 2026 Supplement are available for investors on the company’s corporate website.

Investors interested in the specific updates are encouraged to consult the full Supplement directly via Wessex Water’s investor relations portal. This ensures access to comprehensive, issuer-provided information rather than relying on third-party summaries. The base admission particulars from 16 December 2025 combined with the Supplement constitute the complete contractual and disclosure framework for all notes issued under the EMTN Programme.

Investor Access and Review Process

The supplementary admission particulars can be accessed at https://corporate.wessexwater.co.uk/our-future/investors/debt-issuance-and-emtn-programme. This digital disclosure method aligns with modern market practices, providing direct and efficient access to official regulatory documents. For enquiries related to the EMTN Programme, investors may contact Chris Chambers, Group Treasurer, at +44 (0) 7901 517030.

Availability of the Supplement online promotes transparency and accessibility consistent with capital markets best practices. Investors should carefully review all information, including the company’s financial status, note structure, guarantee arrangements, sector-specific risks, and any transfer or resale restrictions. Given the comprehensive nature of EMTN admission particulars, thorough review is advised before making investment decisions or taking related actions.

Distribution Restrictions and Geographic Limitations

The Admission Particulars are intended solely for residents of specified countries as outlined within the documents. They are not for use or reliance by individuals outside these jurisdictions or those to whom the offer is not addressed. Prospective investors must confirm their eligibility by reviewing the Admission Particulars prior to use.

These geographic limitations comply with regulatory requirements governing securities offerings in various jurisdictions. Notably, the Admission Particulars do not constitute an offer of securities in the United States, and the notes have not been registered under the U.S. Securities Act of 1933 or any U.S. state laws. Therefore, notes may not be offered or sold to U.S. persons or within the U.S. except under specific exemptions. Further details are available in the "Subscription and Sale" section of the Admission Particulars.

Parent Company Guarantee by Wessex Water Services Limited

Wessex Water Services Limited, the parent operating company, provides an unconditional and irrevocable guarantee for all notes issued under the EMTN Programme. This standard capital markets structure ensures noteholders have recourse to the parent’s assets and financial resources if the finance subsidiary cannot meet obligations. The irrevocable guarantee cannot be withdrawn or altered during the notes’ lifespan.

Wessex Water Services Limited operates water and wastewater services across southwest England and Dorset, with revenues regulated by the Office of Water Services (Ofwat). The guarantee underscores the group’s integrated structure and the parent company’s commitment to supporting its finance subsidiary’s capital market activities. Investors should assess the parent company’s financial health, operational performance, and strategic plans when evaluating credit quality and note security.

Strategic Role of the EMTN Programme

The EMTN Programme offers Wessex Water Services Finance Plc a flexible, efficient platform for ongoing capital market access. Instead of separate debt issuances, the programme allows issuance of notes in tranches under a unified regulatory framework with predefined terms. This reduces market access costs and time while providing investors with standardized documentation and disclosures. The £5bn programme capacity enables issuance in various currencies, maturities, and interest rate formats to meet diverse financing needs.

For a utility like Wessex Water, capital market access is vital to fund infrastructure investments, comply with environmental regulations, and support customer growth. The EMTN Programme complements other funding sources such as bank loans and retained earnings. Publishing supplementary admission particulars ensures documentation remains up-to-date with any material changes in issuer circumstances or regulatory conditions.

Regulatory Compliance and Disclosure Obligations

Issuing supplementary admission particulars complies with European securities regulations requiring updated disclosures when material changes occur. The 21 July 2026 Supplement, issued about seven months after the base particulars, indicates relevant developments necessitating investor notification. Although the announcement does not specify these changes, they are detailed within the Supplement itself.

This regulatory framework aims to protect investors by ensuring access to accurate, timely, and material information. Wessex Water’s adherence to these standards through supplementary disclosures reflects commitment to transparency and best practices. Investors should review both base and supplementary particulars to fully understand the terms, risks, and features of notes under the EMTN Programme. The company’s provision of a dedicated contact for enquiries further supports investor communication.

Legal Disclaimers and Status of Announcement

This announcement is not an offer or solicitation to buy or sell securities. It serves solely to notify the market of the publication of supplementary admission particulars available to eligible investors. Access to these documents is subject to compliance with geographic and eligibility restrictions outlined within the Admission Particulars.

Investors should not rely solely on this announcement for investment decisions but must conduct independent review of the full Admission Particulars and seek professional financial, legal, and tax advice. Past performance is not indicative of future results, and all investments carry risks, including possible capital loss.

Guidance for Investors and Market Participants

Interested parties should first verify their eligibility by reviewing geographic and investor category restrictions in the Admission Particulars. They should then access and thoroughly review the Supplement dated 21 July 2026 along with the base particulars dated 16 December 2025 from the company’s website. For further clarification, contacting Chris Chambers, Group Treasurer, at +44 (0) 7901 517030 is recommended.

Prospective investors are advised to seek independent professional advice tailored to their circumstances before making investment decisions. Existing noteholders should review the Supplement to understand any updates affecting their holdings or note terms, which may influence refinancing or portfolio management decisions.