Live true Do the right thing, no compromise. This underpins all our other values and it begins with how we treat our customers and each other. None of us is perfect. But when we make a mistake, we have the character and courage to make it right and learn from it. Think big Innovate and get there first. AT&T is where people come to invent the future. That’s been our legacy since the very beginning. In everything we do, we aim to set the pace for everyone else. Pursue excellence In everything, every time. We work tirelessly to make sure that everything we deliver represents our very best. We may not be perfect, but we always learn from our experiences and constantly improve. Be there When customers & colleagues need you most. Whether it’s restoring service during a natural disaster or helping a community recover from hardship, that’s when we’re at our best. Stand for equality Speak with your actions. Whatever a person’s race, ethnicity, gender, sexual orientation, religion, physical ability or other characteristic, we respect and value them. We know that building a greater understanding of our differences makes us stronger. Make a difference Impact your world. This defines who we are, both as a company and as individuals. We can each make a difference in our communities and for the people around us. AT&T Values This report reflects the global operations of AT&T, Inc., except where otherwise noted. I n July 2021, we completed a transaction with TPG Capital involving our North America video business – including DIRECTV, AT&T TV and U-verse – to form a new company called DIRECTV. In November 2021, we completed the sale of our Latin America video operations, Vrio, to Grupo Werthein. In December 2021, we entered into an agreement with Microsoft to sell our programmatic advertising marketplace component of Xandr Inc. The transaction is subject to customary cl osing conditions, i ncluding regulatory reviews. In April 2022, we comple ted a tr ansaction to combine our WarnerMedia segment, subject to certain exceptions, with a subsidiary of Discovery Inc. 2 3 4 6 12 20 26 30 38 44 47 50 • CDP Climate Change disclosure • Diversity, Equity & Inclusion (DE&I) report • Political engagement report • Transparency report • 2022 Proxy statement • ESG reporting indexes (GRI, SASB , UNGC, UN SDGs) • ESG issue briefs • ESG material topics assessment • TCFD report Contents Le tter from our Chief Executive Officer E SG at A T&T How we create value AT&T and S h areholders Customers and C ommunities Employees Suppliers Environment Governance Progress towar d our goals Key p erformance i ndic ators Endnotes Note: Certain environmental or diversity, equity and inclusion metrics in this report may be estimated or reflect FY2020 performance, as specified in associated text or end notes. An updated version of this report including final FY2021 metrics will be published on our ESG reporting website in May 2022. Inclusion of information in this report should not be construed as a characterization of the financial materiality or impact of that information. Please see our corporate Annual Report or Form 10-K for the year ended December 31, 2021 and other publicly-filed documents available at https://investors.att.com/. The AT&T ES G reporting website provides comprehensive ESG disclosure additional to this ESG Summary: AT&T ESG SUMMARY REPORT 2022 1