Kevin J. Callahan

Voya Investment Management LLC (Voya IM) is a SEC-registered investment advisor headquartered in Atlanta, Georgia. The firm was founded in 1997 and formerly known as ING Investment Management LLC. They are a wholly owned subsidiary of VIM Holdings LLC, which is ultimately owned by Voya Financial, Inc. (NYSE: VOYA), formerly known as ING U.S. Inc. Voya IM primarily provides portfolio management services to affiliated and unaffiliated insurance companies utilizing a variety of investment styles. The firm also advises other insurance-related entities (e.g., reinsurance companies) as well as various types of institutional investors, such as pension plans, with respect to certain investment strategies.

Voya Investment Management Co. LLC (Voya IM) is a SEC-registered investment advisor and mutual fund manager headquartered in New York City. Formerly known as ING Investment Management Co. LLC, the firm was founded in 1972 under the name of Aetna Capital Management, Inc. They are a wholly-owned subsidiary of Voya Investment Management LLC, ultimately held by Voya Financial, Inc. (NYSE: VOYA). Voya IM manages assets for institutions, financial intermediaries and individual investors. The firm serves as adviser or sub-adviser to many investment vehicles.

RiverSource Investments LLC, formerly American Express Financial Corp., is a registered investment advisor and mutual fund manager headquartered in Minneapolis, Minnesota with offices in New York City, Maryland, Massachusetts and California. The firm is a wholly-owned subsidiary of Ameriprise Financial Services, Inc. (NYSE: AMP). RiverSource Investments provides investment management services to the RiverSource Investments family of funds (formerly the American Express Funds). The firm also provides investment management services for institutional clients, alternative investments, insurance assets and a managed account program.

Invesco Advisers, Inc. is a SEC-registered investment advisor headquartered in Atlanta, Georgia. They are a subsidiary of Invesco Group Services, Inc., ultimately held by Invesco Ltd. (NYSE: IVZ). The firm was founded in 1986 and previously known as Invesco Institutional NA, Inc. until April 2010 when Invesco Ltd. consolidated the businesses of their US investment advisors (Invesco AIM Advisors, Inc., Invesco AIM Capital Management, Inc., Invesco AIM Private Asset Management, Inc. and Invesco Global Asset Management NA, Inc.) under the name Invesco Advisers, Inc. They provide discretionary and non-discretionary investment advisory services to individuals, institutional and high net-worth clients through separate accounts, wrap fee programs and US registered investment companies and other Commingled Funds.

Massachusetts Mutual Life Insurance Co. provides financial life insurance services. It offers annuities, disability income insurance, investments, long term care and wealth management, and retirement plans. The company was founded on May 15, 1851 and is headquartered in Springfield, MA.

Aon Hewitt Ltd. provides human resource and outsourcing consultant services. The firm advises, designs, and executes a wide range of consulting and outsourcing solutions that enable clients to cultivate talent to drive organizational and personal performance and growth, navigate retirement risk while providing new levels of financial security, and redefine health solution. The company was founded on March 18, 2002 and is headquartered in London, the United Kingdom.

Duff & Phelps Investment Management Co. (Duff & Phelps) is a SEC-registered investment advisor headquartered in Chicago, Illinois. The firm was established in 1979, evolving from the Duff & Phelps investment research firm founded in 1932. They are a wholly-owned subsidiary of Virtus Partners, Inc., which is wholly-owned by Virtus Investment Partners, Inc. (NASDAQ: VRTS). Duff & Phelps provides investment advisory services to institutional clients, mutual funds, closed-end funds, and other pooled investment vehicles as well as to retail clients. Duff & Phelps is a signatory to the United Nations Principles for Responsible Investment (UN PRI).