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2007 AT&T Annual Report
| 81
Report of Independent Registered Public Accounting Firm
The Board of Directors and Stockholders
AT&T Inc.
We have audited the accompanying consolidated balance sheets of AT&T Inc. (the Company) as of December 31, 2007 and 2006,
and the related consolidated statements of income, stockholders’ equity, and cash flows for each of the three years in the period
ended December 31, 2007. These financial statements are the responsibility of the Company’s management. Our responsibility is
to express an opinion on these financial statements based on our audits.
We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States).
Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial
statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts
and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant
estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits
provide a reasonable basis for our opinion.
In our opinion, the financial statements referred to above present fairly, in all material respects, the consolidated financial
position of the Company at December 31, 2007 and 2006, and the consolidated results of its operations and its cash flows for
each of the three years in the period ended December 31, 2007, in conformity with U.S. generally accepted accounting principles.
As discussed in Note 1 to the consolidated financial statements, in 2007 the Company changed its method of accounting for
income taxes.
We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States),
the Company’s internal control over financial reporting as of December 31, 2007, based on criteria established in Internal
Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission and our
report dated February 14, 2008 expressed an unqualified opinion thereon.
San Antonio, Texas
February 14, 2008