GEOI Georesources, Inc. (MM)

NEW YORK, July 25, 2012 /PRNewswire/ -- S&P Dow Jones Indices will make the following changes to the S&P MidCap 400 and S&P SmallCap 600 indices:

• SolarWinds Inc. (NYSE: SWI) will replace Gen-Probe Inc. (NASD: GPRO) in the S&P MidCap 400 index after the close of trading on Tuesday, July 31. S&P MidCap 400 constituent Hologix Inc. (NASD: HOLX) is acquiring Gen-Probe in a deal expected to be completed on or about that date pending final approvals.
  
   
• HealthStream Inc. (NASD: HSTM) will replace GeoResources (NASD: GEOI) in the S&P SmallCap 600 index after the close of trading on Tuesday, July 31. GeoResources is being acquired by Halcon Resources (NYSE: HK) in a deal expected to be completed soon pending final approvals.

SolarWinds designs, develops, markets, sells, and supports enterprise information technology infrastructure management software. Headquartered in Austin, TX, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Application Software Sub-Industry index.

HealthStream provides Internet-based learning and research solutions. Headquartered in Nashville, TN, the company will be added to the S&P SmallCap 600 GICS Health Care Technology Sub-Industry index.

Following is a summary of the changes:

About S&P Dow Jones Indices

S&P Dow Jones Indices LLC, a subsidiary of The McGraw-Hill Companies is the world's largest, global resource for index-based concepts, data and research. Home to iconic financial market indicators, such as the S&P 500^® and the Dow Jones Industrial Average^SM, S&P Dow Jones Indices LLC has over 115 years of experience constructing innovative and transparent solutions that fulfill the needs of institutional and retail investors. More assets are invested in products based upon our indices than any other provider in the world. With over 830,000 indices covering a wide range of assets classes across the globe, S&P Dow Jones Indices LLC defines the way investors measure and trade the markets. To learn more about our company, please visit www.spdji.com.

It is not possible to invest directly in an index. S&P Dow Jones Indices LLC, Dow Jones, and their respective affiliates, parents, subsidiaries, directors, officers, shareholders, employees and agents (collectively "S&P Dow Jones Indices") does not sponsor, endorse, sell, or promote any investment fund or other vehicle that is offered by third parties and that seeks to provide an investment return based on the returns of any S&P Dow Jones Indices index. This document does not constitute an offer of services in jurisdictions where S&P Dow Jones Indices or its affiliates do not have the necessary licenses. S&P Dow Jones Indices receives compensation in connection with licensing its indices to third parties.

STANDARD & POOR'S and S&P are registered trademarks of Standard & Poor's Financial Services LLC.  "Dow Jones" is a registered trademark of Dow Jones Trademark Holdings LLC ("Dow Jones").

For more information:

Dave Guarino

Communications

S&P Dow Jones Indices

dave_guarino@spdji.com 

212-438-1471

David Blitzer

Managing Director and Chairman of the Index Committee

S&P Dow Jones Indices

david_blitzer@spdji.com 

212-438-3907

SOURCE S&P Dow Jones Indices