In March 2013, the board of directors updated and affirmed the company's corporate governance guidelines which, along with the charters of the board committees, lead director and the company's code of business conduct and reference guide for directors, officers and Associates and code of ethics for CEO and senior financial officers, provide the framework for the governance of the company.

Corporate Governance Guidelines

COMMITTEE CHARTERS

The company's corporate governance guidelines address matters such as composition and size of the board, director qualifications, independence of directors, director responsibilities, frequency of board meetings (including meetings to be held without the presence of management) and the board's access to members of management and outside experts.