8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): June 16, 2011

McKesson Corporation

(Exact name of registrant as specified in its charter)

Delaware	1-13252	94-3207296
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

McKesson Plaza, One Post Street, San Francisco, California	94104
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (415) 983-8300

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01 Regulation FD Disclosure.

On June 16, 2011, in connection with its Investor Day in Boston, Massachusetts, McKesson Corporation (the “Company”) issued a press release reaffirming its earnings guidance for the fiscal year ending March 31, 2012. A copy of the Company’s press release is attached hereto as Exhibit 99.1.

The information contained in this Form 8-K, including Exhibit 99.1, is furnished to the Securities and Exchange Commission (the “Commission”), but shall not be deemed “filed” with the Commission for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits.

     (d) Exhibits.

Exhibit No.	Description
99.1	Press Release issued by the Company dated June 16, 2011.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: June 16, 2011

McKesson Corporation
By:	/s/ Jeffrey C. Campbell
	Jeffrey C. Campbell
	Executive Vice President and Chief Financial Officer

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press Release issued by the Company dated June 16, 2011.

EX-99.1

Exhibit 99.1

MCKESSON REAFFIRMS FISCAL 2012 GUIDANCE

SAN FRANCISCO, June 16, 2011 — McKesson Corporation (NYSE:MCK) today reaffirmed its earnings guidance for the fiscal year ending March 31, 2012 and the underlying key assumptions provided in its press release of May 3, 2011.

McKesson is hosting its Investor Day today in Boston, Massachusetts. An audio webcast with accompanying presentation materials will be available live from 9:00 AM to 12:00 PM ET today and archived on the company’s Investor Relations website at www.mckesson.com/investors. Shareholders are encouraged to review McKesson’s public reports as filed with the Securities and Exchange Commission, which are available on the company’s Investor Relations website at www.mckesson.com/investors.

Risk Factors

Except for historical information contained in this press release, matters discussed may constitute “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, as amended, that involve risks and uncertainties that could cause actual results to differ materially from those projected, anticipated or implied. These statements may be identified by their use of forward-looking terminology such as “believes”, “expects”, “anticipates”, “may”, “will”, “should”, “seeks”, “approximately”, “intends”, “plans”, “estimates” or the negative of these words or other comparable terminology. The discussion of financial trends, strategy, plans or intentions may also include forward-looking statements. It is not possible to predict or identify all such risks and uncertainties; however, the most significant of these risks and uncertainties are described in the company’s Form 10-K, Form 10-Q and Form 8-K reports filed with the Securities and Exchange Commission and include, but are not limited to: material adverse resolution of pending legal proceedings; changes in the U.S. healthcare industry and regulatory environment; changes in the Canadian healthcare industry and regulatory environment; competition; substantial defaults in payment or a material reduction in purchases by, or the loss of, a large customer or group purchasing organization; the loss of government contracts as a result of compliance or funding

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challenges; public health issues in the U.S. or abroad; implementation delay, malfunction or failure of internal information systems; the adequacy of insurance to cover property loss or liability claims; the company’s failure to attract and retain customers for its software products and solutions due to integration and implementation challenges, or due to an inability to keep pace with technological advances; the company’s proprietary products and services may not be adequately protected, and its products and solutions may be found to infringe on the rights of others; system errors or failure of our technology products and solutions to conform to specifications; disaster or other event causing interruption of customer access to data residing in our service centers; the delay or extension of our sales or implementation cycles for external software products; changes in circumstances that could impair our goodwill or intangible assets; foreign currency fluctuations or disruptions to our foreign operations; new or revised tax legislation or challenges to our tax positions; the company’s ability to successfully identify, consummate and integrate strategic acquisitions; general economic conditions, including changes in the financial markets that may affect the availability and cost of credit to the company, its customers or suppliers; and changes in accounting principles generally accepted in the United States of America. The reader should not place undue reliance on forward-looking statements, which speak only as of the date they are first made. Except to the extent required by law, the company undertakes no obligation to publicly release the result of any revisions to these forward-looking statements to reflect events or circumstances after the date hereof, or to reflect the occurrence of unanticipated events.

About McKesson

McKesson Corporation, currently ranked 15th on the FORTUNE 500, is a healthcare services and information technology company dedicated to making the business of healthcare run better. We partner with payers, hospitals, physician offices, pharmacies, pharmaceutical companies and others across the spectrum of care to build healthier organizations that deliver better care to patients in every setting. McKesson helps its customers improve their financial, operational, and clinical performance with solutions that include pharmaceutical and medical-surgical supply management, healthcare information technology, and business and clinical services. For more information, visit http://www.mckesson.com.

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Contact:
Ana Schrank, 415-983-7153 (Investors and Financial Media)
Ana.Schrank@McKesson.com

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