Annual General Meeting on April 11, 2018

Sunrise

Uwe Schiller

Senior Vice President Investor Relations

P.O. Box

CH-8050 Zürich

investor.relations@sunrise.net

www.sunrise.ch/ir

Phone: +41 58 777 96 86

About Sunrise

Sunrise Communications Group AG (Sunrise) is listed on the SIX Swiss Exchange in Zurich and is the leading fully integrated challenger delivering a full range of services across all market segments. Sunrise is the leading non-incumbent operator in both the mobile (prepaid and postpaid) and landline retail voice markets, as well as the third-largest landline internet provider with IPTV, with approximately 3.3 million customer relationships, as of December 31, 2016. Sunrise is committed to deliver a best-in-class convergent experience.

Sunrise is headquartered in Zurich and had a total of 1,765 employees (including 109 apprentices) allocated to divers business locations across the entire country as of December 31, 2016.

For more information regarding Sunrise, please visit: www.sunrise.ch

Disclaimer

The information contained in this media release has not been independently verified and no representation or warranty, express or implied, is made as to, and no reliance should be placed on, the fairness, accuracy, completeness, reasonableness or correctness of the information or opinions contained herein. None of Sunrise Communications Group AG, its subsidiaries or any of their respective employees, advisers, representatives or affiliates shall have any liability whatsoever (in negligence or otherwise) for any loss howsoever arising from any use of this document or its contents or otherwise arising in connection with this media release. The information contained in this media release is provided as at the date of this media release and is subject to change without notice.

Statements made in this media release may include forward-looking statements. These statements may be identified by the fact that they use words such as "anticipate", "estimate", "should", "expect", "guidance", "project", "intend", "plan", "believe", and/or other words and terms of similar meaning in connection with, among other things, any discussion of results of operations, financial condition, liquidity, prospects, growth, strategies or developments in the industry in which we operate. Such statements are based on management's current intentions, expectations or beliefs and involve inherent risks, assumptions and uncertainties, including factors that could delay, divert or change any of them. Forward-looking statements contained in this media release regarding trends or current activities should not be taken as a representation that such trends or activities will continue in the future. Actual outcomes, results and other future events may differ materially from those expressed or implied by the statements contained herein. Such differences may adversely affect the outcome and financial effects of the plans and events described herein and may result from, among other things, changes in economic, business, competitive, technological, strategic or regulatory factors and other factors affecting the business and operations of the company. Neither Sunrise Communications Group AG nor any of its affiliates is under any obligation, and each such entity expressly disclaims any such obligation, to update, revise or amend any forward-looking statements, whether as a result of new information, future events or otherwise. You should not place undue reliance on any such forward-looking statements, which speak only as of the date of this media release.

It should be noted that past performance is not a guide to future performance. Please also note that interim results are not necessarily indicative of full-year results.