S&P Dow Jones Indices Announces Change to U.S. Index

NEW YORK, July 2, 2012 /PRNewswire/ -- Rosetta Resources Inc. (NASD: ROSE) will replace Catalyst Health Solutions Inc. (NASD: CHSI) in the S&P MidCap 400 index after the close of trading on Thursday, July 5. SXC Health Solutions Corp. (NASD: SXCI) is acquiring Catalyst Health Solutions in a deal expected to be completed tonight pending final approvals.

Rosetta Resources engages in the acquisition, exploration, development, and production of onshore oil and gas resources. Headquartered in Houston, TX, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Oil & Gas Exploration & Production Sub-Industry index.

Following is a summary of the change:

S&P MIDCAP 400 INDEX  – July 5, 2012
	COMPANY	GICS ECONOMIC SECTOR	GICS SUB-INDUSTRY
ADDED	Rosetta Resources	Energy	Oil & Gas Exploration & Production
DELETED	Catalyst Health Solutions	Health Care	Health Care Services

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For more information:

Dave Guarino 

Communications 

S&P Dow Jones Indices 

[e-mail] 

212-438-1471

David Blitzer 

Managing Director and Chairman of the Index Committee 

S&P Dow Jones Indices 

[e-mail] 

212-438-3907

SOURCE S&P Dow Jones Indices

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