Attached files
file | filename |
---|---|
EX-32 - EX-32 SECTION 1350 CERTIFICATIONS - AT&T INC. | exhibit321q21.htm |
EX-31.2 - EX-31.2 CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER - AT&T INC. | exhibit3121q21.htm |
EX-31.1 - EX-31.1 CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER - AT&T INC. | exhibit3111q21.htm |
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