SEATTLE--(BUSINESS WIRE)--The WBBA (Washington Biotechnology & Biomedical Association) has added three additional companies to the list of presenting companies for Invest Northwest 2008, March 18-19 in Seattle. The new additions are Gilead Sciences (NASDAQ: GILD), based in Foster City, CA with a significant presence in Seattle, WA; Oncothyreon (NASDAQ: ONTY; TSE: ONY), recently relocated to Seattle, WA; and Sonus Pharmaceuticals (NASDAQ: SNUS) of Bothell, WA. These three will join the other public and private companies previously announced as presenters at the Northwest’s premier annual life sciences CEO and Investor forum, bringing the number of presenting companies to 59.