Appointment of Chief Executive Officer
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Affinity Water Finance PLC
(the "Company")
£10 million of 1.024% Sterling Denominated Retail Price Index-Linked Bonds due 2033
£60 million of 2.699% Sterling Denominated Fixed Rate Bonds due 2033
£250 million of 4.5% Sterling Denominated Fixed Rate Bonds due 2036
£350 million of 6.25% Sterling Denominated Fixed Rate Bonds due 2040
£85 million of 3.278% Sterling Denominated Fixed Rate Bonds due 2042
£60 million of 0.23% Sterling Denominated Consumer Price Index-Linked Bonds due 2042
£190 million of 1.548% Sterling Denominated Retail Price Index-Linked Bonds due 2045
issued by the Company and guaranteed by Affinity Water Limited
AFFINITY WATER APPOINTS MARK GARTH AS NEW CHIEF EXECUTIVE OFFICER
12 January 2026
Affinity Water Limited ("Affinity Water") is pleased to announce that Mark Garth has been offered and has accepted the role of Chief Executive Officer and executive director of Affinity Water. Mark will join Affinity Water as CEO during the first half of 2026, following his notice period.
Mark has extensive prior experience in the water sector, holding a number of senior and executive roles, initially at Severn Trent Water and then later at United Utilities, where he has led its wastewater operations with responsibility for multi-billion-pound asset and capital programmes, and most recently heading up its environmental portfolio and strategic improvement-programme delivery. During his time at United Utilities, it has achieved industry-leading environmental performance, securing its position as a high-performing water company. Mark is a Chartered Water & Environment Manager and member of the Chartered Institution of Water and Environmental Management.
Mark succeeds Keith Haslett, who has served as CEO of Affinity Water since January 2023. Keith Haslett's intention to step down was announced on 2 October 2025.
Commenting on the appointment, Affinity Water chair, Mike Brown, said:
"I am delighted to announce that Mark Garth will be joining Affinity Water as our new CEO. Mark brings a wealth of relevant water sector experience as well as a wide range of leadership skills. He will be joining us at an important time for the business as we move into the second year of AMP8 and I look forward to working with Mark to continue Affinity Water's progress and creating further value for all of our stakeholders as we embrace the opportunities and challenges ahead.
I would also like to express my sincere thanks to Keith for his hugely valued leadership and significant contribution to Affinity Water during his role as CEO and wish him every success for the future."
Mark Garth said:
"I very much look forward to joining the Affinity Water Board and to working with its investors and the executive leadership team to continue to build on the achievements of the business, to navigate the challenges of AMP8, and to ensure that we successfully meet and exceed all the expectations of all our stakeholders."
ENDS
Notes:
For further information, please visit our website or contact:
Company.secretary@affinitywater.co.uk
Please direct any media queries to publicaffairs@affinitywater.co.uk
Affinity Water Limited
Tamblin Way
Hatfield
Hertfordshire
AL10 9EZ
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