FY25 Results Presentation

UK ⫶ Strong customer experience & Adj. EBITDAaL performance

+1.9% Service revenue FY25 organic growth

+7.9% Adj. EBITDAaL FY25 organic growth

UK 14% of Group Adj. EBITDAaL 1

• Good growth in Q4 supported by Business projects step up • Growth in Consumer partially offset by Business in FY25 • Strong EBITDAaL +7.9% driven by service revenue growth and operational cost efficiencies including lower energy costs

• Best ever broadband net adds +227k (+67k YoY), supported by largest fibre footprint & One Touch Switching • Consumer mobile contract additions +117k (+72k YoY) • Now over 1 million VOXI customers • Best ever mobile Consumer contract and broadband churn

• NPS leader in the market across mobile and fixed • Lowest ever level of detractors • Record low mobile complaints (>50% reduction over two years) • New contract price rises implemented & front book increases in mobile and broadband

Ofcom complaints FY23 – FY25

Service revenue growth (%)

Net additions (‘000)

Fixed

Mobile contract

Mobile

Broadband

61 41

3.6%

3.3%

3.1%

72

52 (9)

50 (6)

44

-56%

1.2%

-17%

1

0.0% Q1 FY25

(29) Q1 FY25

Q4 FY24

Q2 FY25

Q3 FY25

Q4 FY25

Q4 FY24

Q2 FY25

Q3 FY25

Q4 FY25

Q4 FY23

Q4 FY25

Q4 FY23

Q4 FY25

FY25 results ⫶ May 2025

10

1. Based on FY25 Adjusted EBITDAaL contribution.

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