Seattle Genetics (SGEN)

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.

Price Range of Our Common Stock

Our common stock is traded on The NASDAQ Global Market under the symbol “SGEN.” As of March 12, 2009, there were 85,613,588 shares of our common stock outstanding, which were held by approximately 127 holders of record of our common stock. On March 12, 2009, the closing price of our common stock as reported by The NASDAQ Global Market was $8.82 per share.

Our common stock has been quoted on The NASDAQ Global Market under the symbol “SGEN” since our initial public offering on March 6, 2001. The following table sets forth, for the periods indicated, the reported high and low sales prices per share of our common stock as reported by The NASDAQ Global Market:

Dividend Policy

We have not paid any cash dividends on our common stock since our inception. We do not intend to pay any cash dividends in the foreseeable future, but intend to retain all earnings, if any, for use in our business operations.

Sales of Unregistered Securities and Issuer Repurchases of Securities

Other than sales disclosed in previous quarterly reports on Form 10-Q or current reports on Form 8-K, we did not make any unregistered sales of shares of our common stock in 2008. In addition, we did not repurchase any of our equity securities during the fourth quarter of 2008.

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Stock Performance Graph

We show below the cumulative total return to our stockholders during the period from December 31, 2003 through December 31, 2008 in comparison to the cumulative return on the Nasdaq Pharmaceutical Index, the Nasdaq Composite Index and the Nasdaq Biotechnology Index during that same period. The results assume that $100 was invested on December 31, 2003 in our common stock and each of the indexes listed above, including reinvestment of dividends, if any.

This information under “Stock Performance Graph” is not deemed filed with the Securities and Exchange Commission and is not to be incorporated by reference in any filing of Seattle Genetics, Inc. under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the date of this Annual Report on Form 10-K and irrespective of any general incorporation language in those filings.

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Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.

Price Range of Our Common Stock

Our common stock is traded on The Nasdaq Global Market under the symbol “SGEN.” As of March 7, 2008, there were 79,219,783 shares of our common stock outstanding, which were held by approximately 123 common stockholders of record. On March 7, 2008, the closing price of our common stock as reported by The Nasdaq Global Market was $8.19 per share.

Our common stock has been quoted on The Nasdaq Global Market under the symbol “SGEN” since our initial public offering on March 6, 2001. The following table sets forth, for the periods indicated, the reported high and low sales prices per share of our common stock as reported by The Nasdaq Global Market:

Dividend Policy

We have not paid any cash dividends on our common stock since our inception. We do not intend to pay any cash dividends in the foreseeable future, but intend to retain all earnings, if any, for use in our business operations.

Sales of Unregistered Securities and Issuer Repurchases of Securities

Other than sales disclosed in previous quarterly reports on Form 10-Q or current reports on Form 8-K, we did not make any unregistered sales of shares of our common stock in 2007. In addition, we did not repurchase any of our equity securities during the fourth quarter of 2007.

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Stock Performance Graph

We show below the cumulative total return to our stockholders during the period from December 31, 2002 through December 31, 2007 in comparison to the cumulative return on the Nasdaq Pharmaceutical Index, the Nasdaq Composite Index and the Nasdaq Biotechnology Index during that same period. The results assume that $100 was invested on December 31, 2002 in our common stock and each of the indexes listed above, including reinvestment of dividends, if any.

This information under “Stock Performance Graph” is not deemed filed with the Securities and Exchange Commission and is not to be incorporated by reference in any filing of Seattle Genetics, Inc. under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the date of this Form 10-K and irrespective of any general incorporation language in those filings.

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Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.

Market Prices of our Common Stock

Our common stock is traded on the Nasdaq National Market under the symbol SGEN.

The following table sets forth the high and low sales prices for our common stock, as quoted on the Nasdaq National Market, for each of the quarters indicated.

As of March 3, 2006, there were 119 holders of record of our common stock. Because many shares of our common stock are held by brokers and other institutions on behalf of stockholders, we are unable to estimate the total number of stockholders represented by these record holders.

Dividend Policy

We have not paid any cash dividends on our common stock since our inception. We do not intend to pay any cash dividends in the foreseeable future, but intend to retain all earnings, if any, for use in our business operations. In addition, for so long as 33 ¹/3% of the 1,640,000 shares of Series A convertible preferred stock originally issued are outstanding, we need the approval of holders of 66 ²/3% of such outstanding shares of Series A convertible preferred stock in order to declare, pay, set aside or reserve amounts for the payment of any dividend on our capital stock, other than the Series A convertible preferred stock. As of December 31, 2005, 1,500,000 shares of Series A convertible preferred stock were outstanding which are convertible into 15,000,000 shares of common stock.

Sales of Unregistered Securities and Issuer Repurchases of Securities

Other than sales disclosed in previous quarterly reports on Form 10-Q or current reports on Form 8-K, we did not make any unregistered sales of shares of our common stock in 2005. In addition, we did not repurchase any of our equity securities during the fourth quarter of 2005.

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Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.

Market Prices of our Common Stock

Our common stock is traded on the Nasdaq National Market under the symbol SGEN.

The following table sets forth the high and low sales prices for our common stock, as quoted on the Nasdaq National Market, for each of the quarters indicated.

As of March 9, 2005, there were 131 holders of record of our common stock. Because many shares of our common stock are held by brokers and other institutions on behalf of stockholders, we are unable to estimate the total number of stockholders represented by these record holders.

Dividend Policy

We have not paid any cash dividends on our common stock since our inception. We do not intend to pay any cash dividends in the foreseeable future, but intend to retain all earnings, if any, for use in our business operations. In addition, for so long as 33 ¹/3% of the total number of shares of Series A convertible preferred stock we originally issued are outstanding, we need the approval of holders of 66 ²/3% of such outstanding shares of Series A convertible preferred stock in order to declare, pay, set aside or reserve amounts for the payment of any dividend on our capital stock, other than the Series A convertible preferred stock.

Sales of Unregistered Securities and Issuer Repurchases of Securities

Other than sales disclosed in previous quarterly reports on Form 10-Q or current reports on Form 8-K, we did not make any unregistered sales of shares of our common stock in 2004. In addition, we did not repurchase any of our equity securities during the fourth quarter of 2004.

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