Item 2.02. Results of Operations and Financial Condition.
On July 29, 2009, The Medicines Company (the "Company") issued a press release (the "Earnings Press Release") announcing its results of operations for the second quarter ended June 30, 2009. On the same date, the Company held a conference call, which was open to the public, to discuss these results. A copy of the Earnings Press Release, a transcript of the related conference call and conference call summary (which is also posted on the Company's website) are attached hereto as Exhibits 99.1, 99.2 and 99.3, respectively, and incorporated herein by reference.
The information in this Form 8-K (including Exhibits 99.1, 99.2 and 99.3) shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 9.01. Financial Statements and Exhibits
(c) Exhibits

The following exhibits relating to Item 2.02 shall be deemed to be furnished, and not filed:

99.1 Press release dated July 29, 2009 entitled "The Medicines Company Reports Second Quarter 2009 Financial Results"
(incorporated by reference to Exhibit 99.1 of the Current Report on Form 8-K, filed on July 29, 2009)

99.2 Transcript of earnings release conference call held on July 29, 2009

99.3 Conference Call Summary

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