Markit Announces Roll of CDX High Yield Index

New York - Markit today announced that the Markit CDX North America High Yield (CDX.NA.HY) will roll into its tenth series on 1 April 2008. Markit is the owner of the CDX family of indices, and a leading provider of independent data, portfolio valuations and OTC derivatives trade processing to the global financial markets.

Changes to index composition
Based on dealer polls conducted by Markit, the following changes have been made to the Markit CDX.NA.HY. The new series reflecting the changes below will be effective as of the roll date, 1 April 2008. These changes will not affect previous series of the indices.

Markit CDX.NA.HY Series 10
IN		OUT
Chemtura Corporation		Lyondell Chemical Company
Constellation Brands, Inc.		Quebecor World Inc.
DIRECTV Holdings LLC		TEMBEC INDUSTRIES INC.
STATION CASINOS, INC.		The Williams Companies, Inc

Detailed constituent lists, daily prices and spreads as well as index documentation, are published on www.markit.com.

- Ends -

For further information, please contact:

Teresa Chick
Managing Director, Corporate Communications
Markit
Email: teresa.chick@markit.com
Telephone: +44-20-7260-2094

Caroline Lumley
Vice President, Corporate Communications
Markit
Email: caroline.lumley@markit.com
Telephone: +44-20-7260-2047

Note to Editors:

About Markit CDX

Over 25 institutions are licensed to trade or reference structured products relating to the Markit CDX indices.

About Markit

Markit is the leading provider of independent data, portfolio valuations and OTC derivatives trade processing to the global financial markets. The company receives daily data contributions from 90 dealing firms, and its services are used by almost 1,000 institutions to enhance trading operations, reduce risk and manage compliance.