Michael E. Hughes

Macquarie Investment Management Business Trust (MIMBT) is a SEC-registered investment advisor headquartered in Philadelphia, Pennsylvania. The firm was founded in 1988 and formerly known as Delaware Management Business Trust. They are a subsidiary of Delaware Investment Management Co. LLC, ultimately held by Macquarie Group Ltd. (ASX: MQG) in Australia. MIMBT advises a variety of institutional clients. The firm also provides investment services to certain affiliates and acts as a sub-advisor to unaffiliated sponsors and investment products.

Raymond James & Associates, Inc. (RJA) is a registered broker-dealer headquartered in St. Petersburg, Florida. The firm was founded in 1962 and is a subsidiary of Raymond James Financial, Inc. (NYSE: RJF), a diversified holding company. RJA offers a full array of capital markets services, strategic advice and planning for institutional investors.

VertiFlex, Inc. operates as a medical device company. It offers minimally invasive solutions for the treatment of lumbar spinal stenosis (LSS), which is the cause of spinal surgery in the elderly. The firm specializes in minimally invasive, motion preservation, spine and medical device. The company was founded by Moti Altarac in 2005 and is headquartered in San Clemente, CA.

Lanx, Inc. develops medical devices for spinal surgery. The company was founded by Michael C. Fulton and Jeffrey J. Thramann on December 28, 2007 and is headquartered in Broomfield, CO.

Biomet, Inc. engages in the design, manufacture, and market of musculoskeletal therapy products. The company was founded by Dane A. Miller, Niles L. Noblitt, Jerry L. Ferguson and M. Ray Harroff on November 30, 1977 and is headquartered in Warsaw, IN.

Interpore Cross International LLC provides products for spinal surgery. It offers spinal implant, ortho-biologic, and minimally invasive surgery products. The firm's products are used by orthopedic surgeons and neurosurgeons. The company was founded on February 28, 2008 and is headquartered in Irvine, CA.