Forward-Looking Statements In this communication, we have made
forward-looking statements. These statements are based on our estimates and assumptions and are subject to risks and uncertainties. Forward-looking statements include the information concerning our possible or assumed future results of
operations. Forward-looking statements also include those preceded or followed by the words “anticipates,” “assumes,” “believes,” “estimates,” “expects,” “forecasts,” “hopes,” “intends,” “plans,” “targets” or similar expressions. For those
statements, we claim the protection of the safe harbor for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995. We undertake no obligation to revise or publicly release the results of any revision to
these forward-looking statements, except as required by law. Given these risks and uncertainties, readers are cautioned not to place undue reliance on such forward-looking statements. For a discussion of some of the risks and important
factors that could affect such forward-looking statements, see our and Frontier’s most recent annual and quarterly reports and other filings filed with the SEC. Factors which could have an adverse effect on our operations and future
prospects include, but are not limited to, the following: risks relating to the proposed transactions, including in respect of the ability to obtain required regulatory approvals and approval by Frontier’s stockholders, and the satisfaction
of other closing conditions on a timely basis or at all; unanticipated difficulties and/or expenditures relating to the proposed transactions and any related financing; uncertainties as to the timing of the completion of the proposed
transactions; litigation relating to the proposed transactions; the impact of the proposed transactions on each company’s business operations (including the threatened or actual loss of subscribers, employees or suppliers); the inability to
obtain, or delays in obtaining cost savings and synergies from the proposed transactions; incurrence of unexpected costs and expenses in connection with the proposed transactions; risks related to changes in the financial, equity and debt
markets; and risks related to political, economic and market conditions. In addition, the risks to which Frontier’s business is subject, including those risks set forth in Part I, Item 1A of Frontier’s most recent Annual Report on Form 10-K
and its periodic reports filed with the SEC, could adversely affect the proposed transactions and, following the completion of the proposed transactions, our operations and future prospects. Important Additional Information and Where to
Find It This press release may be deemed to be in solicitation material in respect of the proposed acquisition of Frontier by Verizon. In connection with the proposed transactions, Frontier intends to file with the SEC a proxy statement
on Schedule 14A (the “Proxy Statement”), in preliminary and definitive form, the definitive version of which will be sent or provided to Frontier stockholders. Verizon or Frontier may also file other documents with the SEC regarding the
proposed transactions. This document is not a substitute for the Proxy Statement or any other relevant document which Frontier may file with the SEC. Promptly after filing its definitive Proxy Statement with the SEC, Frontier will mail
or provide the definitive Proxy Statement and a proxy card to each Frontier stockholder entitled to vote at the meeting relating to the proposed transactions. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE PROXY STATEMENT AND ANY
OTHER RELEVANT DOCUMENTS THAT ARE FILED OR WILL BE FILED WITH THE SEC (WHEN THEY ARE AVAILABLE), AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THESE DOCUMENTS, CAREFULLY AND IN THEIR ENTIRETY BEFORE MAKING ANY VOTING OR INVESTMENT DECISION
WITH RESPECT TO THE TRANSACTIONS BECAUSE THEY CONTAIN OR WILL CONTAIN IMPORTANT INFORMATION ABOUT THE TRANSACTIONS AND RELATED MATTERS. Investors and security holders may obtain free copies of the Proxy Statement and other documents that
are filed or will be filed with the SEC by Frontier or Verizon (when they are available) through the website maintained by the SEC at www.sec.gov, Frontier’s investor relations website at investor.frontier.com or Verizon’s investor
relations website at verizon.com/about/investors. Participants in the Solicitation Verizon, Frontier and Frontier’s directors, executive officers and other members of management and employees, under SEC rules, may be deemed to be
participants in the solicitation of proxies from the stockholders of Frontier in connection with the proposed transactions. Information about Frontier’s directors and executive officers is set forth in the Frontier Proxy Statement on
Schedule 14A for its 2024 Annual Meeting of Shareholders, which was filed with the SEC on April 3, 2024. To the extent holdings of Frontier’s securities by its directors or executives officers have changed since the amounts set forth in
such 2024 proxy statement, such changes have been or will be reflected on Initial Statements of Beneficial Ownership on Form 3 or Statements of Change in Ownership on Form 4 filed with the SEC. Additional information regarding the identity
of potential participants, and their direct or indirect interests, by security holdings or otherwise, will be included in Frontier’s definitive Proxy Statement relating to the proposed transactions when it is filed by Frontier with the SEC.
These documents (when available) may be obtained free of charge from the SEC’s website at www.sec.gov or Frontier’s website at investor.frontier.com. 2