United States Securities and Exchange Commission Washington, D. C. 20549 form 10-K

 

Signature		Title
/s/    WILLIAM H. GATES III           William H. Gates III		Chairman
/s/    STEVEN A. BALLMER           Steven A. Ballmer		Director and Chief Executive Officer
/s/    JAMES I. CASH, JR.           James I. Cash, Jr.		Director
/s/    DINA DUBLON           Dina Dublon		Director
/s/    RAYMOND V. GILMARTIN           Raymond V. Gilmartin		Director
/s/    REED HASTINGS           Reed Hastings		Director
/s/    MARIA KLAWE           Maria Klawe		Director
/s/    DAVID F. MARQUARDT           David F. Marquardt		Director
/s/    CHARLES H. NOSKI           Charles H. Noski		Director
/s/    HELMUT PANKE           Helmut Panke		Director
/s/    CHRISTOPHER P. LIDDELL           Christopher P. Liddell		Senior Vice President; Chief Financial Officer (Principal Financial Officer)
/s/    FRANK H. BROD           Frank H. Brod		Corporate Vice President, Finance and Administration; Chief Accounting Officer (Principal Accounting Officer)

 

Exhibit 12

Microsoft Corporation

Computation of Ratios of Earnings to Fixed Charges

(in millions, except ratios)

The following is a list of subsidiaries of the Company as of June 30, 2009, omitting subsidiaries which, considered in the aggregate, would not constitute a significant subsidiary.

We consent to the incorporation by reference in Registration Statement Nos. 333-120511, 333-109185, 333-06298, 333-16665, 333-118764, 333-91755, 333-52852, 333-102240, 33-36498, 33-45617, and 333-132100 of Microsoft Corporation on Form S-8 and Registration Statement Nos. 333-43449, 333-110107, 333-108843, and 333-155495 of Microsoft Corporation on Form S-3 of our reports dated July 29, 2009, relating to the financial statements of Microsoft Corporation and subsidiaries (the “Company”) (which report expresses an unqualified opinion and includes an explanatory paragraph regarding the Company’s adoption of Financial Accounting Standards Board Interpretation No. 48, Accounting for Uncertainty in Income Taxes – an interpretation of FASB Statement No. 109, and Emerging Issues Task Force Issue No. 06-2, Accounting for Sabbatical Leave and Other Similar Benefits Pursuant to FASB Statement No. 43), and the effectiveness of the Company’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of Microsoft Corporation for the year ended June 30, 2009.

/s/ DELOITTE & TOUCHE LLP

Seattle, Washington

July 29, 2009

Exhibit 31.1

CERTIFICATIONS

I, Steven A. Ballmer, certify that:

1. I have reviewed this annual report on Form 10-K of Microsoft Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s Board of Directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

July 29, 2009

 

/s/ STEVEN A. BALLMER

Steven A. Ballmer Chief Executive Officer