Item 2.02 Results of Operations and Financial Condition.

On February 12, 2013, Seattle Genetics, Inc. issued a press release announcing financial results for its fourth quarter and year ended December 31, 2012. A copy of the press release is furnished herewith as Exhibit 99.1 and incorporated into this Form 8-K by reference.

The information included under Item 2.02 of this report is being furnished and shall not be deemed ''filed'' for purposes of Section 18 of the Securities Act of 1934, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

99.1 Press Release of Seattle Genetics, Inc. dated February 12, 2013

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