Sunrise Investor Overview

Sunrise Focus: landline access ↑ Fiber ~30% coverage - target 50-60% Utilities: In 2018, entered into 20 years agreement with utilities for access at defined scope of fiber lines 1); scope extended beyond 2018 due to business growth and allocation shifts from LLU, leading to incremental upfront Capex Swisscom: 2019-2022 fiber and xDSL access agreement 1) Illustration: 3 years example Upfront models tend to have lower cumulated payments due to long-term commitment (volume & time) and discount factor Upfront investment Pure wholesale model 2) Ultim Capex swiss fibre net ewz SIG Sunrise swisscom COGS COGS COGS COGS COGS t t+1 t+2 Iwb ↑ FWA Target coverage outside fiber area ☐ ■ 5G rollout expected to support use of fixed wireless access (FWA) ■ Fixed wireless substitution; attractive margins as on own network xDSL/Copper COGS 1) For utility deal see Q4'17 investor presentation p.19 (extension of initial scope beyond 2018; NPV accretive); for Swisscom deal see Q2'18 investor presentation p. 14 2) Assuming unchanged customer number; COGS = Cost of goods sold (part of P&L); simplified ■ ~98% XDSL coverage via 3.5 yrs agreement with Swisscom Own LLU only supporting ADSL technology (low speeds) Expected decreasing share as customers migrate to fiber or FWA 8

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