Andrew Tyson Lees

Stifel, Nicolaus & Co., Inc. (Stifel) is a dual-registered broker-dealer and investment adviser headquartered in St. Louis, Missouri. Founded in 1890, the firm is a subsidiary of Stifel Financial Corp. (NYSE: SF), a financial service holding company. Stifel provides full-service brokerage and investment advisory services to individuals and their families, institutions and businesses, and financial advisors.

Founded in 1989, Petrie Parkman & Co., Inc. is an investment bank headquartered in Denver, Colorado with additional offices in Houston and London. The offer investment banking services, equity research, sales and trading and underwriting in the capital markets area. Their research analysts focus on the energy sector. Their research coverage extends from small oil companies to large integrated major oils, pipeline, midstream and downstream companies. Petrie Parkman is a member of the NASD and the SIPC. They are a subsidiary of Merrill Lynch & Co., Inc. (NYSE: MER).

A.G. Edwards, Inc. operate as a securities broker-dealer in the United States. It provides investment products and financial services including annuities, bonds, futures & commodities, mutual funds, banking and business services, education funding, and retirement planning. The company was founded by Albert Gallatin Edwards in 1887 and is headquartered in St. Louis, MO.

Merrill Lynch Canada, Inc. is a Canadian broker/dealer headquartered in Toronto, Ontario. They are a subsidiary of Midland Walwyn, Inc. and their ultimate parent is Bank of America Corp. (NYSE: BAC). The firm offers brokerage and investment banking services as well as commercial lending, global high-yield debt, global equity, and M&A services to institutional and retail clients.

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.

RBC Capital Markets LLC is a full-service brokerage and financial services firm headquartered in New York City. They are a direct subsidiary of RBC USA Holdco Corp. and a wholly-owned indirect subsidiary of Royal Bank of Canada (TSE, NYSE: RY). Founded in 2010, the firm is comprised of 3 major business lines: the Private Client Group, the Fixed-Income Group and the Clearing and Execution Services Group. The Private Client Group serves individual investors, while the Fixed-Income Group provides services to institutions, municipalities and non-profit organizations. The Clearing and Execution Services Group is a provider of clearing and execution services to independent brokers/dealers throughout the US. RBC Capital Markets focuses on the following sectors: communications, media, consumer/retail, diversified industries, energy, financial institutions, forest products, healthcare, infrastructure finance, mining & metals, real estate, social infrastructure, technology and the US municipal markets.