Item 7.01 Regulation FD Disclosure
On September 4, 2009, Biogen Idec Inc. issued a press release announcing it has submitted a proposal to the Board of Directors of Facet Biotech Corporation ("Facet") to acquire all of the outstanding shares of Facet for $14.50 per share in cash. The press release, including the full text of a letter dated September 4, 2009 to the Board of Directors of Facet communicating Biogen Idec's proposal, is furnished as Exhibit 99.1 to this Current Report on Form 8-K. Item 9.01 Financial Statements and Exhibits.
The exhibit listed on the Exhibit Index immediately preceding such exhibit is furnished as part of this Current Report on Form 8-K.

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