Mark W. Steffen

UBS Asset Management (Americas) LLC (UBS AM) is a SEC-registered investment advisor headquartered in New York City. The firm was founded in 2000 as UBS Global Asset Management (Americas), Inc. They are a wholly owned subsidiary of UBS Americas, Inc., ultimately owned by UBS Group AG (SIX: UBSG; NYSE: UBS) in Switzerland. UBS AM provides investment products and services to corporate and public pension plans, financial institutions and advisors, central banks, charities, foundations and individual investors around the world.

Part of Invesco Ltd., INVESCO Funds Group, Inc. is a company based in Denver, CO.

Columbia Management Investment Advisers LLC (CMIA) is a SEC-registered investment advisor and mutual fund manager headquartered in Boston, Massachusetts. The firm is a wholly-owned subsidiary of Ameriprise Financial, Inc. (NYSE: AMP). The firm was formed in 2010 due to Ameriprise Financial Services' (AFS) acquisition of the long-term asset management business of Columbia Management Group (CMG) from Bank of America. AFS merged CMG's long-term asset management business with their subsidiary, RiverSource Investments LLC, under the name Columbia Management Investment Advisors. CMIA offers equity and fixed-income retail and institutional investment products for various types of clients.

Part of S & P Global, Inc., Standard & Poor's Institutional Market Services is a company based in Boston, MA. The company provides fundamental financial information, analytics, and investment software.

National Life Insurance Co. provides insurance, annuity, and investment services to individuals, families, and businesses. It offers life insurance, living benefits, mutual funds, qualified and non-qualified plans, business continuation and transition, and retirement plans. The company was founded in 1848 and is headquartered in Montpelier, VT.