Nahla A. Azmy

A subsidiary of Lehman Brothers Holdings, Inc., Lehman Brothers, Inc. is a broker/dealer headquartered in New York City. They provide global equity and fixed research. The equity research department covers more than 100 sectors. They use a fundamental, quantitative, strategic and tactical research approach. In addition to these Lehman has also developed special products, such as 10 uncommon values and 10 uncommon eurovalues.

Rockwood Holdings, Inc. operates as holding company with interest in manufacturing chemical products. The company was founded in September 2000 and is headquartered in Baton Rouge, LA.

Alcoa, Inc. engages in the lightweight metals engineering and manufacturing. Its products are used worldwide in aircraft, automobiles, commercial transportation, packaging, oil and gas, defense, and industrial applications. It operates through the following segments: Alumina; Primary Metals; Global Rolled Products; Engineered Products and Solutions; and Transportation and Construction Solutions. The Alumina segment consists of a portion of Alcoa's upstream operations and consists of the company's worldwide refinery system, including the mining of bauxite, which is then refined into alumina. The Primary Metals segment comprises of Alcoa's upstream operations and consists of the company's worldwide smelter system. The Global Rolled Products segment is involved in the production and sale of aluminum plate, sheet and foil. The Engineered Products and Solutions segment involves in the production and sale of titanium, aluminum, and super alloy investment castings, hard alloy extrusions, forgings and fasteners, aluminum wheels, integrated aluminum structural systems, and architectural extrusions. The Transportation and Construction Solutions segment engages in downstream operations and produces products that are used mostly in the nonresidential building and construction and commercial transportation end markets. The company was founded by Charles Martin Hall on October 1, 1888 and is headquartered in New York, NY.

Versum Materials, Inc. engages in the provision of solutions to the semiconductor and display industries. The company focuses on molecular design and synthesis, purification, advanced analytics, formulation development and containers, and delivery systems. It operates through the following business segments: Materials; Delivery Systems and Services; and Corporate. The Materials segment offers specialty materials for the high-growth electronics industry, focusing on the integrated circuit and flat-panel display markets. The Delivery Systems and Services segment designs, manufactures, installs, operates, and maintains chemical and gas delivery and distribution systems for specialty gases and chemicals delivered directly to their customers' manufacturing tools. The Corporate segment includes administrative costs such as information technology, general services, human resources, legal, accounting, and other services, as well as foreign exchange gains and losses, and other income and expense that cannot be directly associated with operating segments. The company was founded on November 17, 2015 and is headquartered in Tempe, AZ.

NIRI Philadelphia Chapter provides investor relations services. It serves corporate management, shareholders, securities analysts and other financial community constituents. The company was founded in1969 and is headquartered in Philadelphia, PA.