ATN International, Inc.

The following table sets forth information regarding our executive officers as of March 17, 2025:

Executive Officers

Brad W. Martin is our Chief Executive Officer and a member of our Board of Directors. Mr. Martin joined the Company in April 2018 as Executive Vice President and became our Chief Operating Officer in 2021. In January 2024, Mr. Martin was appointed our Chief Executive Officer and a member of our Board of Directors. Prior to joining us in 2018, he previously served as Chief Operating Officer for Senet Inc., a leading "low power wide area" network (LPWAN) operator and global service provider. From 2013 through 2015, Mr. Martin served as Senior Vice President and Chief Quality Officer with Extreme Networks, a global leader in software-driven networking solutions for Enterprise and Service Provider customers. Between 2008 and 2013, he served as Vice President of Engineering Operations and Quality with Siemens Enterprise Communications and Enterasys Networks, delivering voice and data networking hardware and software solutions to global enterprises. Mr. Martin holds a B.S. in Mechanical Engineering from the University of Maine, and is a published author and featured industry speaker.

Carlos R. Doglioli is our Chief Financial Officer. Mr. Doglioli joined us in 2024 and brings significant telecom experience. Prior to becoming our Chief Financial Officer, he served as the Chief Financial Officer of Centennial Towers, a developer, owner, and operator of wireless communication towers in Latin America from 2014 to 2023, and from 2004 to 2007 at MetroRED Mexico, a leading integrated communications provider that owned and operated state-of-the-art high-capacity fiber optic communications focused on large and medium size corporate clients, ISPs, Internet-content providers, and telecommunications providers in Mexico City. Previously, Mr. Doglioli served in multiple senior

finance roles for portfolio companies of Devonshire Investors (the private equity group of Fidelity Investments), including as Chief Financial Officer of Backyard Farms and as Managing Director of Finance at J. Robert Scott. Mr. Doglioli received a B.S. of Management Information Systems (Lic. en Sistemas) from CAECE University in Buenos Aires, Argentina and an MBA from Babson College, and is fluent in English, Spanish, and Portuguese.

Mary Mabey is our Senior Vice President and General Counsel. Ms. Mabey joined us in 2009 and previously served as our Deputy General Counsel. Prior to joining us, Ms. Mabey was with the law firm of Edwards Angell Palmer & Dodge LLP (now Locke Lord LLP) in Boston, where she advised public and private companies in domestic and international transactions on corporate and securities law matters, merger, acquisition and financing transactions, corporate governance, and other general corporate matters. Ms. Mabey received a B.A. degree from the University of Notre Dame and a J.D. degree from the University of Texas School of Law.

Justin Leon is our Senior Vice President of Corporate Development. He joined the Company in 2015 and brings over fifteen years of investing experience to the team. Prior to joining ATN, Mr. Leon worked in Corporate Strategy & Development for Nuance Communications, a publicly traded software company focused on speech recognition and machine learning where he executed over $1 billion in acquisitions in the healthcare, mobile, and enterprise software verticals. Mr. Leon started his career at Stonebridge Associates, a boutique investment bank in Boston advising clients in technology, medical device, and consumer products verticals. Mr. Leon earned a degree in corporate finance from Bentley College and an M.B.A. from the Tuck School of Business at Dartmouth.