Naomi O. Seligman
Senior Partner
Ostriker von Simson, Inc.

Naomi O. Seligman has served as a director of D&B since June 1999, and is a member of the Audit Committee and Board Affairs Committee. Since June 1999, Ms. Seligman has been a senior partner at Ostriker von Simson, Inc. and co-partner of the CIO Strategy Exchange, a private forum for discussion and research which facilitates a dialogue between the chief information officers of large multinational corporations, premier venture capitalists, and computer industry establishment chief executive officers. Previously, Ms. Seligman was a senior partner of the Research Board, Inc., which she co-founded in 1977 and led until June 1999. Ms. Seligman is also a director of the following public companies: Akamai Technologies, Inc. and Oracle Corporation.