Credit Investor Presentation 2020/21

Our Board Breadth and depth of experience Sir David Higgins, Chairman Nomination Committee Sir David has spent his career overseeing high profile infrastructure projects. Chairman of Gatwick Airport Limited and a member of the Council at the London School of Economics. Former chief executive of Network Rail, The Olympic Delivery Authority, and English Partnerships Steve Mogford, Chief Executive Officer Corporate responsibility committee Former chief executive of SELEX Galileo, chief operating officer at BAE Systems PLC and a member of its PLC board, Steve spent his earlier career with British Aerospace PLC. Ceased to be a non-executive director of G4S plc, following the acceptance of an offer and its subsequent delisting in April 2021. Phil Aspin, Chief Financial Officer Treasury committee Over 25 years' experience at United Utilities. Prior to his appointment as CFO, Phil was group controller having previously been group treasurer. He was appointed as a member of the UK Accounting Standards Endorsement Board in March 2021 and is chair of the pensions committee of the 100 Group. Mark Clare, Senior NED Nomination and remuneration committees Chairman of Grainger plc, non- executive director and chairman designate at Aggreko plc, non-executive director of Premier Marinas Holdings Ltd and Wickes Grup plc. Former chief executive of Barratt Developments plc, and held senior executive roles in Centrica plc and British Gas Stephen Carter CBE, NED Nomination, audit and corporate responsibility committees Group chief executive of Informa plc. Formerly held senior executive roles at Alcatel Lucent Inc. and public sector roles including founding chief executive of Ofcom and stepped down as a non-executive director at the Department for Business Energy and Industrial Strategy in December 2020 Kath Cates, NED Nomination and remuneration committees Non-executive director at RSA Insurance Group plc, TP ICAP Group Plc and Columbia Threadneedle Investments. Former chief operating officer at Standard Chartered plc and a number of roles at UBS, prior to which she qualified as a solicitor Alison Goligher, NED Nomination, remuneration and corporate responsibility committees Non-executive director Meggitt PLC, Technip Energies NV and part-time executive chair Silixa Ltd. Former roles at Royal Dutch Shell, most recently Executive Vice President Upstream International Unconventionals Brian May, NED Nomination, audit, treasury and remuneration committees Former Finance director at Bunzl plc and previously qualified as a chartered accountant with KPMG. Brian has been chair of the audit committee for five years and has considerable knowledge of the company and the utilities sector Paulette Rowe, NED Nomination and audit committees CEO of Integrated and Ecommerce Solutions and member of the Paysafe Group executive. Formerly held directorships at Facebook, Barclaycard Payments Solutions, NBNK Investments plc, Tesco Personal Finance, RBS, and chief executive of European Consumer Finance Doug Webb, NED Nomination and audit committees NED and audit committee chair at Johnson Matthey plc, BMT Group Ltd, and the Manufacturing Technology Centre Ltd. Former CFO roles at Meggitt plc, London Stock Exchange, and QinetiQ Group plc, and NED and audit committee chair at SEGRO plc United Utilities Credit Investor presentation • 5

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