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We hereby consent to the incorporation by reference in the Registration Statement (Form S-8, No. 333-189789) of our report dated June 28, 2021, relating to the statements of net assets available for benefits as of December 31, 2020 and 2019, the statement of changes in net assets available for benefits for the year ended December 31, 2020, and the supplemental schedule of assets (held at end of year) as of December 31, 2020, of the AT&T Savings and Security Plan, which appears in this Annual Report on Form 11-K of the AT&T Savings and Security Plan for the year ended December 31, 2020.