Edmond Griffin

Wellington Management Co. LLP (WMC) is a SEC-registered investment advisor and mutual fund manager headquartered in Boston, Massachusetts. The firm was founded in 1928 and is a subsidiary of Wellington Investment Advisors Holdings LLP, ultimately held by Wellington Management Group LLP. WMC offers investment management services for a fee to separate account clients and mutual funds sponsored by unaffiliated parties, and to investment vehicles that the firm sponsors.

State Street Research & Management Company (SSR), with a history dating back to 1924, is one of the nation's first investment management organizations. The Boston-based firm is a subsidiary of MetLife (NYSE:MET), one of the world's largest financial services companies. The firm, together with its affiliate SSR Realty, actively manages stock, bond, balanced and real estate portfolios for both institutional and individual investors. SSR manages pension money for many of the largest U.S. corporate pension plans. SSR also manages money for public and union pension plans, foundations, endowments, and mutual funds.

BlackRock Advisors LLC is a SEC-registered investment advisor and mutual fund manager headquartered in New York City. The firm was founded in 1994 and is a subsidiary of BlackRock Capital Holdings, Inc., ultimately held by BlackRock, Inc. (NYSE: BLK). BlackRock Advisors manages assets for US-registered investment companies and 529 Plans.