FY25 Results Presentation

Customers Germany ⫶ Operational improvements Simplicity

Growth

Consumer • Long-term roaming agreement with 1&1 from August 2024. Over 4 million customers using our network by Mar’25 • Expect migration to reach full run-rate during H2 FY26 Business • Hired over 100 digital & sales specialists • Opened our new Cyber Security Centre in March 2025 to support SMEs Business digital services growth, FY25 (%)

• Lowest ever detractor scores across both mobile & fixed • Best ever NPS, with gap to incumbent halved over 2 years • Network improvements: - Ongoing network fiberisation supporting 1/3 fewer network tickets since FY23 - >85% of customers now using next- generation CPE to improve in-home Wi-Fi experience - >90% pop coverage on 5G standalone NPS improvement across all products (FY23-FY25)

• Significant simplification, with a c.15% headcount reduction over 2 years - Two waves of 3,200 role reductions announced in FY24 & FY25 - 2,000 role reductions completed to date - New headcount investment in B2B & IT • New senior team in place with industry- leading expertise

Headcount

c.-15%

14,000

37%

+13pp

Cable

c.12,000

c.1,000

(2,000)

(1,200)

+9pp

Mobile

23%

17%

12%

TV

+19pp

SaaS

Other Cloud SD-WAN

Security

Dec'22 Role reductions (complete)

FY26 (est.)

Role reductions (WIP)

Growth areas

FY25 results ⫶ May 2025

9

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