Slide 1: Analyst and Investor Webcast – 9M Results 2025
UNITED INTERNET AG Analyst and Investor Webcast – 9M Results 2025 Montabaur, November 11, 2025 1 Analyst and Investor Call Presentation – 9M 2025 November 11, 2025
Slide 2: KPIs 9M 2025 with IONOS AdTech business as discontinued operation
KPIs 9M 2025 WITH IONOS ADTECH-BUSINESS AS DISCONTINUED OPERATION ▪ 29.50 million customer contracts: + 480,000 in the first 9 months 2025 Revenues and earnings figures (in € million) 9M 2024 (1) 9M 2025 (1) Change Revenues (2) 4,442.2 4,502.2 + 1.4% EBITDA (2) 948.1 966.4 + 1.9% EBIT (2) 499.5 443.
Slide 3: "Access" in 9M 2025
“ACCESS” IN 9M 2025 ▪ CONSUMER ACCESS ▪ CONSUMER APPLICATIONS ▪ BUSINESS ACCESS ▪ BUSINESS APPLICATIONS 3 Analyst and Investor Call Presentation – 9M 2025 November 11, 2025
Slide 4: Consumer Access Segment: Customer Contracts
CONSUMER ACCESS SEGMENT: CUSTOMER CONTRACTS (in million) Mobile Internet Broadband connections 18 16.39 16.34 16 -0.05 ▪ 16.34 million customer contracts (- 50,000) 14 ▪ 12.48 million mobile internet contracts (+ 40,000) 12 ▪ 3.86 million broadband connections (- 90,000) 10 12.44 12.48 8 6 4 2 3.95
Slide 5: Consumer Access Segment: Revenues
CONSUMER ACCESS SEGMENT: REVENUES (acc. to IFRS in € million) Service revenues Other revenues 3,200 3,017.2 3,016.2 -1.0 (0.0%) ▪ +/- 0.0% revenues to € 3,016.2 million 2,800 2,400 ▪ +/- 0.0% service revenues to € 2,479.3 million 2,000 ▪ - 0.3% other revenues (in particular low-margin 2,478.7 2,479.
Slide 6: Consumer Access (I): EBITDA
CONSUMER ACCESS (I): EBITDA (acc. to IFRS in € million) 500 463.0 ▪ - 11.5% EBITDA to € 409.8 million including -53.2 409.8 (-11.5%) 400 ▪ € - 201.2 million costs for rollout of 1&1 mobile network (prior year: € - 167.1 million) 300 ▪ 13.6% EBITDA margin (prior year: 15.3%) 200 100 0 9M 2024 9M 2025
Slide 7: Consumer Access (II): EBITDA of the Two Subsegments
CONSUMER ACCESS (II): EBITDA OF THE TWO SUBSEGMENTS (acc. to IFRS in € million) EBITDA “Access” 750 “Access” 630.1 611.0 -19.1 600 (-3.0%) 450 ▪ - 3.0% EBITDA to € 611.0 million 300 ▪ 20.3% EBITDA margin (prior year: 20.9%) 150 0 9M 2024 9M 2025 EBITDA “1&1 Mobile Network” “1&1 Mobile Network” 0 -10
Slide 8: Business Access
▪ CONSUMER ACCESS ▪ CONSUMER APPLICATIONS ▪ BUSINESS ACCESS ▪ BUSINESS APPLICATIONS 8 Analyst and Investor Call Presentation – 9M 2025 November 11, 2025
Slide 9: Business Access Segment: Revenues
BUSINESS ACCESS SEGMENT: REVENUES (acc. to IFRS in € million) 500 430.7 435.4 +4.7 (+1.1%) ▪ + 1.1% revenues to € 435.4 million 400 300 200 100 0 9M 2024 9M 2025 9 Analyst and Investor Call Presentation – 9M 2025 November 11, 2025
Slide 10: Business Access Segment: EBITDA
BUSINESS ACCESS SEGMENT: EBITDA (acc. to IFRS in € million) 150 ▪ + 2.1% EBITDA to € 123.1 million 120.6 123.1 +2.5 120 (+2.1%) ▪ € - 16.3 million start-up costs (prior year: € - 22.0 million) in the new business areas “5G” and “expansion 90 of commercial areas” 60 ▪ 28.3% EBITDA margin (prior year:
Slide 11: "Applications" in 9M 2025
“APPLICATIONS” IN 9M 2025 ▪ CONSUMER ACCESS ▪ CONSUMER APPLICATIONS ▪ BUSINESS ACCESS ▪ BUSINESS APPLICATIONS 11 Analyst and Investor Call Presentation – 9M 2025 November 11, 2025
Slide 12: Consumer Applications Segment: Accounts
CONSUMER APPLICATIONS SEGMENT: ACCOUNTS (in million) Free accounts Pay accounts 50 ▪ 41.73 million consumer accounts (- 240,000) due to 41.97 41.73 -0.24 40 seasonal effects, + 70,000 compared to Q3/2024 ▪ 38.47 million free accounts (- 460,000), 30 - 210,000 compared to Q3/2024 38.93 38.47 20 ▪ 3.2
Slide 13: Consumer Applications Segment: Revenues
CONSUMER APPLICATIONS SEGMENT: REVENUES (acc. to IFRS in € million) 250 229.7 217.6 +12.1 (+5.6%) ▪ + 5.6% revenues to € 229.7 million 200 150 100 50 0 9M 2024(1) 9M 2025(1) (1) w/o revenues contributions “Energy” and “De-Mail” (€ 16.1m; prior year: € 19.9m) 13 Analyst and Investor Call Presentation
Slide 14: Consumer Applications Segment: EBITDA
CONSUMER APPLICATIONS SEGMENT: EBITDA (acc. to IFRS in € million) 90 82.9 78.9 +4.0 80 (+5.1%) 70 60 ▪ + 5.1% EBITDA to € 82.9 million 50 40 ▪ 36.1% EBITDA margin (prior year: 36.3%) 30 20 10 0 9M 2024(1) 9M 2025(1) (1) w/o earnings contributions “Energy” and “De-Mail” (€ +1.9m; prior year: € -0.2m)
Slide 15: Business Applications
▪ CONSUMER ACCESS ▪ CONSUMER APPLICATIONS ▪ BUSINESS ACCESS ▪ BUSINESS APPLICATIONS 15 Analyst and Investor Call Presentation – 9M 2025 November 11, 2025
Slide 16: Business Applications Segment: Customer Contracts
BUSINESS APPLICATIONS SEGMENT: CUSTOMER CONTRACTS (in million) Abroad Domestic 9.90 10 9.59 +0.31 8 ▪ 9.90 million customer contracts (+ 310,000) 4.96 5.15 6 ▪ 5.15 million abroad (+ 190,000) ▪ 4.75 million domestic (+ 120,000) 4 4.63 4.75 2 0 31.12.2024 30.09.2025 16 Analyst and Investor Call Prese
Slide 17: Business Applications Segment: Revenues
BUSINESS APPLICATIONS SEGMENT: REVENUES (acc. to IFRS in € million) 1,000 980.2 923.1 +57.1 (+6.2%) ▪ + 6.2% revenues to € 980.2 million 800 ▪ Customer growth 600 ▪ Increased up- and cross-selling 400 200 0 9M 2024(1) 9M 2025(1) (1) AdTech carried in accordance with IFRS 5 as discontinued operation
Slide 18: Business Applications Segment: EBITDA
BUSINESS APPLICATIONS SEGMENT: EBITDA (acc. to IFRS in € million) 360 353.4 +62.5 290.9 (+21.5%) 300 240 ▪ + 21.5% EBITDA to € 353.4 million 180 ▪ 36.1% EBITDA margin (prior year: 31.5%) 120 60 0 9M 2024(1) 9M 2025(1) (1) AdTech carried in accordance with IFRS 5 as discontinued operation as of Septe
Slide 19: Key Financial KPIs 9M 2025
KEY FINANCIAL KPI S 9M 2025 (financial KPIs acc. to IFRS in € million) 9M 2024 (1) 9M 2025 (1) Change Revenues (2) 4,442.2 4,502.2 + 1.4% EBITDA (2) 948.1 966.4 + 1.9% Capex - 441.9 - 488.0 - Free cash flow (3) - 63.8 146.1 - 31.12.2024 (1) 30.09.2025 (1) Change Net bank liabilities 2,698.8 3,249.6
Slide 20: Group: EBITDA / Free Cash Flow Bridge as of September 30, 2025
GROUP: EBITDA / FREE CASH FLOW BRIDGE AS OF SEPTEMBER 30, 2025 (acc. to IFRS in € million) 968.3 33.0 -485.4 -110.0 -82.9 -64.1 259.0 -113.0 146.1 EBITDA EBITDA Capex Phasing effects Tax Working Capital Free Cashflow Leasing Free Cashflow 9M 2025(1) AdTech (net) from Q4 2024 & others 9M 2025 after L
Slide 21: Outlook 2025
OUTLOOK 2025 21 Analyst and Investor Call Presentation – 9M 2025 November 11, 2025
Slide 22: Outlook 2025
OUTLOOK 2025 (1) We are confirming our revenue and EBITDA forecast and are specifying our Cash -CAPEX forecast with accounting for AdTech as discontinued operation (2) ▪ Revenues: approx. € 6.05 billion (2024: € 5.991 billion) ▪ EBITDA: approx. € 1.3 billion (2024: € 1.252 billion), including approx
Slide 23: Q&A Session
Q&A SESSION 23 Analyst and Investor Call Presentation – 9M 2025 November 11, 2025
Slide 24: Analyst and Investor Webcast – 9M Results 2025
UNITED INTERNET AG Analyst and Investor Webcast – 9M Results 2025 Montabaur, November 11, 2025 24 Analyst and Investor Call Presentation – 9M 2025 November 11, 2025