Lisa Hook has served as a director and as Lead Independent Director since February 2026. Ms. Hook has served as Managing Partner of Two Island Partners LLC, a private equity and consulting firm, since July 2018. Previously, she served as President & Chief Executive Officer of Neustar, Inc., a global information services company focused on cloud-based workflow solutions for marketing, risk, and security analytics, from October 2010 to July 2018, as President & Chief Operating Officer from 2008 until 2010, and as a member of its board of directors from November 2010 to July 2019. Ms. Hook previously held the following positions: President and Chief Executive Officer of Sunrocket, Inc., a cloud-based voice communications company, several executive positions at America Online, Inc., partner at Brera Capital Partners, Managing Director of Alpine Capital Group, LLC, an executive at Time Warner, Inc., a legal advisor to the Chairman of the Federal Communications Commission, and General Counsel of the Cable Group at Viacom International, Inc. Ms. Hook currently sits on the boards of directors of Phillip Morris International Inc. (NYSE: PM), a leading international consumer goods company, where she is Lead Independent Director, Fidelity National Information Services, Inc. (NYSE: FIS), a multinational corporation and global leader in banking and payment solutions, Nokia Corporation (NYSE: NOK), a technology leader across mobile, fixed and cloud networks, and Zayo Group Holding, Inc., a provider of high-bandwidth communications infrastructure. She has served on the National Security Telecommunications Advisory Committee since 2012. Ms. Hook previously served on the boards of directors for RB Global, Inc. (NYSE: RBA), a Canadian global asset management and disposition company, from 2021 to 2023, Ping Identity Holding Corp., a pioneer in digital identity solutions, from 2019 to 2022, Partners Group Holding AG (SW: PGHN), a global asset management company, from 2020 to 2021, Unisys Corporation (NYSE: UIS), a global information technology company, from 2019 to 2021, Worldplay, Inc. (until its acquisition by Fidelity National Information Services, Inc. in 2019) and RELX PLC (LSE: REL) and RELX NV (ENX: RN), providers of information solutions. Ms. Hook holds a Bachelor of Arts degree in public policy from Duke University and a Juris Doctor degree from the Dickinson School of Law at Pennsylvania State University. Ms. Hook was recommended to our Board by Ms. Palmer, one of our directors. Ms. Hook brings to the Board her past experience as CEO of a public company, extensive public company board experience, her leadership in global information services and deep expertise in telecommunications policy.