NEW YORK, May 28, 2008 — Dow Jones Indexes today announced that David Krein has joined the group as senior director, institutional markets, effective immediately.

Mr. Krein will serve as a representative of Dow Jones Indexes to the institutional investment community globally. In this capacity, he will be responsible for informing and consulting institutional clients on all products and services that Dow Jones Indexes offers.

Additionally, Mr. Krein will guide research and development of new and enhanced benchmarks. In this role, he will be responsible for the integrity of these benchmarks to ensure they meet Dow Jones Indexes’ stringent standards and criteria.

“David brings a wealth of knowledge and experience in indexing and index-linked financial products,” said Michael A. Petronella, president, Dow Jones Indexes. “He will build on his accomplishments in the index development, structured products, and derivatives marketplace to deliver innovative benchmarking tools to the investment community. We are confident that he will be a valuable addition to our team.”

Previously, Mr. Krein was president of DTB Capital, a financial services firm he founded in 2006 to develop trading and structured investment products for derivatives exchanges and the over-the-counter market.

Prior to establishing DTB Capital, he spent more than 10 years in various trading, structuring and technology positions at leading investment banks, including UBS and Merrill Lynch.

Mr. Krein received a master of business administration from the University of Chicago and a bachelor’s degree in mechanical engineering from Cornell University.