Information is based on Amendment No. 14 to a report on Schedule 13G jointly filed with the Commission on
February 13, 2018 by FMR LLC and Abigail P. Johnson. Abigail P. Johnson is a Director, the Chairman and the Chief Executive Officer of FMR LLC. According to this Amendment No. 14, members of the Johnson family, including Abigail P.
Johnson, are the predominant owners, directly or through trusts, of Series B voting common shares of FMR LLC, representing 49% of the voting power of FMR LLC. The Johnson family group and all other Series B shareholders have entered into a
shareholders voting agreement under which all Series B voting common shares will be voted in accordance with the majority vote of Series B voting common shares. Accordingly, through their ownership of voting common shares and the execution of
the shareholders voting agreement, members of the Johnson family may be deemed, under the US Investment Company Act of 1940, to form a controlling group with respect to FMR LLC. Neither FMR LLC nor Abigail P. Johnson has the sole power to vote
or direct the voting of the shares owned directly by the various investment companies registered under the Investment Company Act of 1940 (Fidelity Funds), advised by Fidelity Management & Research Company (FMR Co),
a wholly owned subsidiary of FMR LLC. Such power resides with the Fidelity Funds Boards of Trustees. FMR Co carries out the voting of the shares under written guidelines established by the Fidelity Funds Boards of Trustees.