Board of Directors

William D. Young has served as the chairman of the board of directors since January 2010 and as a member of the audit committee since November 2011 and nominating and corporate governance committee since September 2013. Mr. Young is a Venture Partner at Clarus Ventures, a health care and life sciences venture capital firm, which he joined in March 2010. Prior to joining Clarus Ventures, Mr. Young served from 1999 until June 2009 as chairman of the board of directors and Chief Executive Officer of Monogram Biosciences, a biotechnology company acquired by Laboratory Corporation of America in June 2009. From 1980 to 1999 Mr. Young was employed at Genentech, a biotechnology company acquired by Roche in March 2009, most recently as Chief Operating Officer from 1997 to 1999, where he was responsible for all Product Development, Manufacturing and Commercial functions. Mr. Young joined Genentech in 1980 as Director of Manufacturing and Process Sciences and became Vice President in 1983. Prior to joining Genentech, Mr. Young worked at Eli Lilly & Co. for 14 years and held various positions in production and process engineering, antibiotic process development and production management. Mr. Young is a member of the boards of directors of Vertex Pharmaceuticals and Theravance Biopharma where he is the lead independent director. Mr. Young retired from BioMarin Pharmaceutical's board of directors in November 2015 and from Biogen Inc.'s board of directors in June 2014. Mr. Young received his M.B.A. from Indiana University and his B.S. in chemical engineering from Purdue University, and an honorary doctorate of engineering from Purdue University. Mr. Young was elected to The National Academy of Engineering in 1993 for his contributions to biotechnology.

R. Bradley Gray has served as a member of the board of directors and as President and Chief Executive Officer since June 2010. Prior to joining our company, Mr. Gray held various positions at Genzyme, a biotechnology company acquired by Sanofi in 2011. He served as Vice President of Product & Business Development for Genzyme Genetics, the diagnostic services division of Genzyme, from June 2008 to May 2010, leading the development of molecular diagnostics and partnering activities. From September 2006 to June 2008, he served as Vice President of Business & Strategic Development for Genzyme Genetics, leading growth efforts through partnerships and licensing. Mr. Gray joined Genzyme in October 2004 as Director of Corporate Development, supporting business development and leading Genzyme Ventures, the corporate venture capital fund of Genzyme. Prior to joining Genzyme, Mr. Gray was a management consultant in the healthcare practice of McKinsey & Company, a global management consulting firm, from September 2000 to October 2004, where he worked with senior healthcare executives in the United States and Europe on a broad range of issues including pharmaceutical and diagnostic product strategy, post-merger integration, organization design, and operational turnarounds. Mr. Gray received a B.A. in Economics and Management from Oxford University, where he studied as a British Marshall Scholar, and an S.B. in Chemical Engineering from the Massachusetts Institute of Technology.

Elisha W. Finney was appointed to the NanoString Board of Directors and to the Audit Committee in May of 2017. Ms. Finney retired in May 2017 from her position as the Executive Vice President and CFO of Varian Medical Systems (NYSE: VAR) of Palo Alto, California. At Varian, her management responsibilities included corporate accounting; corporate communications and investor relations; internal audit; risk management; tax and treasury, and corporate information systems. Ms. Finney was named vice president, finance and CFO of Varian Medical Systems in April, 1999, Senior Vice President and CFO in 2005 and Executive Vice President and CFO in 2012. She joined Varian as risk manager in 1988. Prior to joining Varian, Ms. Finney was with the Fox Group in Foster City, California and Beatrice Foods in Chicago, Illinois. She holds a BA degree in risk management and insurance from the University of Georgia as well as an MBA degree from Golden Gate University in San Francisco. Ms. Finney currently serves on the board of directors at ICU Medical (NASDAQ: ICUI) and iRobot (NASDAQ: IRBT), and she previously served as a board member at Altera Corporation, Thoratec and Laserscope.

Nicholas Galakatos, Ph.D. has served as a member of the board of directors, as the chairman of the compensation committee and as a member of the nominating and corporate governance committee since June 2009. Dr. Galakatos is a Managing Director of Clarus Ventures, a health care and life sciences venture capital firm, which he co-founded in 2005. Dr. Galakatos has been a venture capital investor since 1992, initially at Venrock Associates from 1992 to 1997 and then at MPM Capital since 2000 where he was General Partner of the Bioventures II and Bioventures III funds. From 1997 to 2000, he was Vice President, New Business, and a member

of the Management Team at Millennium Pharmaceuticals, a biopharmaceutical company acquired by Takeda Pharmaceutical in May 2008. He was a founder of Millennium Predictive Medicine and TransForm Pharmaceuticals, where he also was the Chairman and founding Chief Executive Officer. Dr. Galakatos is a Director of Catabasis Pharmaceuticals, Inc. and Ophthotech Corporation, and has been the Lead Director at Affymax Inc., and a Director of Portola Pharmaceuticals, Inc., and Aveo Pharmaceuticals, Inc. Dr. Galakatos received a B.A. degree in Chemistry from Reed College, a Ph.D. degree in Organic Chemistry from the Massachusetts Institute of Technology, and performed postdoctoral studies in molecular biology at Harvard Medical School.

Robert M. Hershberg, M.D., Ph.D. has served as a member of the board of directors and as a member of the nominating and corporate governance committee since March 2015. Since March 2017, Dr. Hershberg has served as Executive Vice President of Business Development and Global Alliances of Celgene Corporation, a publicly-traded biopharmaceutical company, where he is a member of the Executive Committee and is responsible for all business development related activities across the company and management of business alliances. From January 2016 to March 2017, Dr. Hershberg served as the Chief Scientific Officer, where he was responsible for overseeing Celgene’s scientific platforms, discovery capabilities and early clinical development, and from July 2014 to January 2016, he served as Senior Vice-President of Immuno-Oncology at Celgene, where he led Celgene’s research and early development efforts across its immuno-oncology portfolio. From 2011 to 2017, Dr. Hershberg was President and Chief Executive Officer of VentiRx Pharmaceuticals, a clinical stage biopharmaceutical company, which he co-founded in 2006; from 2006 to 2011 he also served as its Executive Vice President and Chief Medical Officer. Prior to co-founding VentiRx, Dr. Hershberg served as Senior Vice President and Chief Medical Officer at Dendreon Corporation, a biotechnology company, where he led the clinical, regulatory and biometrics groups, focusing on the development of Provenge® in metastatic prostate cancer. From 2001 to 2003, Dr. Hershberg was the Vice President of Medical Genetics at Corixa, a pharmaceutical company (acquired by GlaxoSmithKline in 2005). Earlier in his career, Dr. Hershberg served as an Assistant Professor at Harvard Medical School and an Associate Physician at the Brigham and Women's Hospital in Boston, Massachusetts. Dr. Hershberg holds clinical and research faculty positions at the University of Washington School of Medicine and is a member of the board of directors of Adaptive Biotechnologies Corp., a clinical stage biotechnology company. He completed his undergraduate degree in molecular biology and M.D. at UCLA, and his Ph.D. in biology at the Salk Institute.

Kirk D. Malloy, Ph.D. has served as a member of the board of directors since September 2016 and as a member of the compensation committee since May 2017. Dr. Malloy is currently founder and principal at BioAdvisors, LLC, where he provides strategic consulting services to life science, diagnostics, and genomics companies. He is also an associate of Growth Source Inc. where he provides strategic consulting. Prior to founding BioAdvisors in April 2016, he was at Illumina, Inc. from 2002 to 2016, most recently as Senior Vice President and General Manager of Life Sciences and Applied Markets from January 2014 to April 2016. From May 2005 to December 2013 he served as Vice President of Global Customer Solutions; he was also Vice President of Global Quality from December 2005 to May 2007. Dr. Malloy joined Illumina in 2002 as Senior Director of Global Customer Solutions. Before Illumina, he held various commercial leadership positions at Biosite Diagnostics and QIAGEN Inc. Dr. Malloy currently serves as Lead Independent Director for Organovo, a publicly-traded company that designs and creates functional, three-dimensional human tissues for use in medical research and therapeutic applications. He also serves as a director for several private genomics tools companies. Dr. Malloy earned his B.S. in Biology from the University of Miami, and his M.S. and Ph.D. from the University of Delaware and held post-doctoral and instructor positions at Boston University and Northeastern University.

Gregory Norden has served as a member of the board of directors and as chairman of the audit committee since July 2012 and as a member of the compensation committee since April 2015. From 1989 to 2010, Mr. Norden held various senior positions with Wyeth/American Home Products, most recently as Wyeth’s Senior Vice President and Chief Financial Officer. Prior to this role, Mr. Norden was Executive Vice President and Chief Financial Officer of Wyeth Pharmaceuticals. Prior to his affiliation with Wyeth, Mr. Norden served as Audit Manager at Arthur Andersen & Company. Mr. Norden also serves on the boards of directors of Royalty Pharma, a pharmaceutical company focused on acquiring revenue-producing intellectual property, Univision, a media company serving Hispanic America, and Zoetis, an animal health company. Mr. Norden is a former director of Welch Allyn (acquired by Hill-Rom in 2015), Lumara Health (acquired by AMAG Pharmaceuticals in 2014), and Human Genome Sciences (acquired by GlaxoSmithKline in 2012). Mr. Norden received a M.S. in Accounting from Long Island University - C.W. Post and a B.S. in Management/Economics from the State University of New York - Plattsburgh.

Charles P. Waite has served as a member of the board of directors since July 2004, as a member of the audit committee and nominating and corporate governance committee (currently serving as chairman) since June 2009, and as a member of the compensation committee from June 2009 – May 2017. He has been a General Partner of OVP Venture Partners II and a Vice President of Northwest Venture Services Corp. since 1987, a General Partner of OVP Venture Partners III since 1994, a General Partner of OVP Venture Partners IV since 1997, a General Partner of OVP Venture Partners V since 2000, a General Partner of OVP Venture Partners VI since 2001, and a General Partner of OVP Venture Partners VII since 2007, all of which are venture capital firms. Prior to joining OVP, Mr. Waite was a General Partner at Hambrecht & Quist Venture Partners from 1984 to 1988, where he focused on investments in information technology and life sciences. He is a former director of Complete Genomics, a publicly-traded DNA sequencing platform developer (acquired by BGI-Shenzen in March 2013), and currently serves on the board of directors of seven private companies. Mr. Waite received an A.B. in history from Kenyon College and an M.B.A. from Harvard University.