David L. Diamond

Heartland Advisors, Inc. is a mutual fund manager and SEC-registered investment advisor headquartered in Milwaukee, Wisconsin. The firm's predecessor was founded in 1983 as an investment advisory subsidiary of a regional brokerage firm, The Milwaukee Co., owned in part by William J. Nasgovitz. In 1984, Mr. Nasgovitz purchased a majority interest in the investment advisory subsidiary from his partners and started managing Heartland's first mutual fund, the Heartland Value Fund. In 1988, Mr. Nasgovitz and his partners sold The Milwaukee Co. to Dain Bosworth. In the same transaction, Mr. Nasgovitz acquired the remaining shares of the investment advisory subsidiary and changed its name to Heartland Advisors, Inc. In 2000, the firm was reorganized into a wholly owned subsidiary of Heartland Holdings, Inc., but it remains a 100% employee-owned independent firm. Heartland Advisors provides investment advice to individual and institutional clients.

Delta Partners LP is a hedge fund manager headquartered in Boston, Massachusetts. The firm was founded in 1999 and is a subsidiary of Delta Partners GP LLC. They provids investment advice to high net worth clients.

Westfield Capital Management Co. LP (Westfield) is a SEC-registered investment advisor headquartered in Boston, Massachusetts. The firm was founded in 1989 and is majority-owned by WMS Management LLC. Westfield provides quality investment management services to institutions and wealthy individuals.