William Wilder

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.

Fayez Sarofim & Co. (FSC) is a SEC-registered investment advisor headquartered in Houston, Texas. The firm was founded by Fayez Sarofim in 1958 and is a wholly-owned subsidiary of The Sarofim Group, Inc. FSC manages investment portfolios for a wide range of clients which includes pension plans, foundations, endowments and individuals.

Part of MetLife, Inc., Daniel Breen & Co LP is an investment advisory firm. The company is based in Houston, TX. Daniel Breen & Co was acquired by New England Investment Cos on September 23, 1997.

Choctaw Global LLC is an investment holding private company that provides investment services. The company is based in Silo, OK.

Plains Ventures (Plains Ventures) is a venture capital subsidiary of i2E Inc founded in 2002. The firm is headquartered in Oklahoma City.