Contact Us | 1.978.619.1300 Our Companies About Us News Careers Corporate Responsibility Investor Relations Supplier Information ATN International’s Procurement organization is responsible for negotiating and contracting for products and services for ATN International and its Affiliates. In addition, ATN’s procurement responsibilities include delivering products and services to guarantee quality and value for our internal and external customers. Procurement is a strategic component of the business and ATN is constantly seeking to improve its performance and reduce costs. Our suppliers play a key role in meeting these objectives. ATN awards business based on products and service performance, cost, quality and other factors we deem appropriate. W-9 W-8ben Minimum Insurance Requirements for ATN Suppliers Reimbursable Travel Expense Guidelines for ATN Suppliers Sensitive Information Security Requirements for ATN Suppliers Purchase Order Terms and Conditions Supplier Contacts: Sourcing & Procurement Department 1001 Technology Drive, Suite 100 Little Rock, AR 72223 Email: Procurement@atni.com Accounts Payable Department 400 Northridge Road, Suite 1100 Atlanta, GA 30350 500 Cummings Center, Suite 2450, Beverly, MA 01915 1.978.619.1300 ir@atni.com Careers Supplier Info © 2021 ATN International, Inc. All Rights Reserved.

Contact Us | 1.978.619.1300 Our Companies About Us News Careers Corporate Responsibility Investor Relations Renewable Energy Renewable Energy Building new infrastructure in an emerging industry Our commercial grade photovoltaic solar installations offer power savings for decades to come, while appealing to environmentally conscious and cost-driven companies. Customers include primary schools, community colleges, private entities, municipalities, water treatment facilities and military installations. Communications CompaniesSee All Companies International Original investment: 2016 Renewable Energy Vibrant Energy generates clean energy solutions in India by developing, building, owning and operating solar farms using best of breed service providers and top tier photovoltaic technology. Selected Past Investments Original investment: 2014 Renewable Energy Ahana sold 28 commercial solar projects at 60 sites in Massachusetts, California, and New Jersey with an aggregate 46.9 megawatts of electricity generating capacity in 2018. 500 Cummings Center, Suite 2450, Beverly, MA 01915 1.978.619.1300 ir@atni.com Careers Supplier Info © 2021 ATN International, Inc. All Rights Reserved.