United Healthcare 2011 Annual Report Download - page 54

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52
ITEM 8. FINANCIAL STATEMENTS
Report of Independent Registered Public Accounting Firm
To the Board of Directors and Shareholders of UnitedHealth Group Incorporated and Subsidiaries:
We have audited the accompanying consolidated balance sheets of UnitedHealth Group Incorporated and Subsidiaries (the
“Company”) as of December 31, 2011 and 2010, and the related consolidated statements of operations, stockholders' equity and
cash flows for each of the three years in the period ended December 31, 2011. These consolidated financial statements are the
responsibility of the Company's management. Our responsibility is to express an opinion on these consolidated 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
consolidated financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the consolidated 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, such consolidated financial statements present fairly, in all material respects, the financial position of
UnitedHealth Group Incorporated and Subsidiaries as of December 31, 2011 and 2010, and the results of their operations and
their cash flows for each of the three years in the period ended December 31, 2011, in conformity with accounting principles
generally accepted in the United States of America.
We have also 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, 2011, based on the criteria established in Internal
Control - Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission and our
report dated February 8, 2012 expressed an unqualified opinion on the Company's internal control over financial reporting.
/S/ DELOITTE & TOUCHE LLP
Minneapolis, MN
February 8, 2012