8-KEarningsReleaseApril2012

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549
_______________________
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(D) OF THE
THE SECURITIES EXCHANGE ACT OF 1934
Date of report (Date of earliest event reported): April 24, 2012

ALEXION PHARMACEUTICALS, INC.
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(Exact name of registrant as specified in its charter)
Delaware
000-27756
13-3648318
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(State or other jurisdiction of
of incorporation or organization)
(Commission
File Number)
(I.R.S. Employer
Identification No.)


352 Knotter Drive, Cheshire, Connecticut 06410
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(Address of Principal Executive Offices) (Zip Code)

Registrant’s telephone number, including area code:    (203) 272-2596
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 (see General Instruction A.2. below):
¨
Written communications pursuant to Rule 425 under the Securities Act
(17 CFR 230.425)
¨
Soliciting material pursuant to Rule 14a-12 under the Exchange Act
(17 CFR 240.14a-12)
¨
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act
(17 CFR 240.14d-2(b))
¨

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



Item 2.02     Results of Operations and Financial Condition.
On April 24, 2012, Alexion Pharmaceuticals, Inc. issued a press release relating to its results of operations and financial conditions for the quarter ended March 31, 2012. A copy of the press release is furnished as Exhibit 99.1 to this Form 8-K.
The attached press release contains both U.S. Generally Accepted Accounting Principles, or GAAP, and non-GAAP financial measures. The non-GAAP financial measures exclude share-based compensation expenses, taxes not payable in cash, amortization of acquired intangible assets, and costs associated with acquisitions. Reconciliations between non-GAAP and GAAP financial measures are included in the press release set forth as Exhibit 99.1 furnished to this Form 8-K. Alexion’s management utilizes non-GAAP financial information to provide a useful measure of comparative operating performance of the Company. The non-GAAP financial measures are supplemental to and not a substitute for, measures of financial performance prepared in accordance with GAAP.


Item 9.01     Financial Statements and Exhibits.

(d)    Exhibits
 
99.1    Press Release issued by Alexion Pharmaceuticals, Inc. on April 24, 2012 relating to its results of operations and financial conditions for the quarter ended March 31, 2012.




Signature
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: April 24, 2012
ALEXION PHARMACEUTICALS, INC.

By:  /s/ Michael V. Greco
Name: Michael V. Greco
Title: Associate General Counsel and
Corporate Secretary