On January 25, 2017, Hudson Executive Capital LP announced that it had and may continue to have discussions with Cabot Microelectronics Corporation’s management and members of the board of directors of the Company to discuss the Company’s business, strategies and corporate governance. In addition, Hudson Executive stated that it has found its conversations to date with the Board and management to be constructive, and may seek to have additional conversations with the management, Board, stockholders of the Company, and other persons to discuss the Company’s business, strategies, corporate governance, and other matters related to the Company.