Age: 62 Director Since: December 2021 Committees: Compensation (Chair) Nominating and Corporate Governance Professional Background and Experience Chief Sales Officer, Consolidated Communications Holdings, Inc. (Nasdaq: CNSL), a national internet and telecommunications service provider (2014 2017) Chief Operating Officer and Corporate Vice President, Enventis Corporation (formerly known as Hickory Tech Corporation) (Nasdaq: ENVE), an integrated communication service provider serving a five state Midwest area (2011 2014) President and Chief Executive Officer, Citilink Broadband Solutions, a wireless broadband service provider (2009 2010) Senior Vice President of Sales, CEB, Inc., a provider of consumer research and strategic advisory services (2007 2008) Senior Vice President, Minnesota and North Dakota, Integra Telecom, an infrastructure and telecommunications service provider (2000 2006) Qualifications Ms. Wirsbinski s substantial experience in executive management, particularly her experience leading transformational growth, and her depth of understanding of the telecommunications industry, particularly the community broadband market, qualify her to serve as a director of Clearfield. Ms. Wirsbinski is recognized as NACD Directorship Certified by the National Association of Corporate Directors. Other Directorships Director, Underline Infrastructure Inc. (December 2022 June 2025) (private) Director, Somos Inc. (March 2019 March 2022) (private)