PACIFIC BIOSCIENCES OF CALIFORNIA INC

The Board of Directors oversees our Chief Executive Officer and other senior management in the competent and ethical operation of our business and affairs and assures that the long-term interests of the stockholders are being served. The key practices and procedures of the Board of Directors are outlined in the corporate governance guidelines available on our website athttps://investor.pacificbiosciences.com, under “Corporate Governance — Governance Overview.”