Extra Space Storage Set to Join the S&P MidCap 400; Dorman Products & Era Group to Join S&P SmallCap 600

NEW YORK, Jan. 23, 2013 /PRNewswire/ -- S&P Dow Jones Indices will make the following changes to the S&P MidCap 400 and the S&P SmallCap 600 indices:

• S&P SmallCap 600 constituent Extra Space Storage Inc. (NYSE: EXR) will replace Ralcorp Holdings Inc. (NYSE: RAH) in the S&P MidCap 400, and Dorman Products Inc. (NASDAQ: DORM) will replace Extra Space Storage in the S&P SmallCap 600 after the close of trading on Tuesday, January 29. S&P 500 constituent ConAgra Foods Inc. (NYSE: CAG) is acquiring Ralcorp in a deal expected to be completed on or around that date, pending final approvals.
• Era Group Inc. (NYSE: ERAwi) will replace Neutral Tandem Inc. (NYSE: IQNT) in the S&P SmallCap 600 after the close of trading on Thursday, January 31. S&P SmallCap 600 constituent SEACOR Holdings Inc. (NYSE: CKH) is spinning off Era Group to shareholders in a transaction expected to be completed on or about that date. Neutral Tandem has a market capitalization below $100 million and is no longer representative of the small cap market space.

Extra Space Storage is a real estate investment trust (REIT) that owns, develops, acquires and operates self-storage properties. Headquartered in Salt Lake City, Utah, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Specialized REITs Sub-Industry index.

Dorman Products supplies automotive replacement parts, fasteners, and service line products. Headquartered in Colmar, PA, the company will be added to the S&P SmallCap 600 GICS Auto Parts & Equipment Sub-Industry index.

Era Group provides helicopter transportation services. Headquartered in Houston, TX, the company will be added to the S&P SmallCap 600 GICS Oil & Gas Equipment & Services Sub-Industry index.

Following is a summary of the changes:

Additions to and deletions from S&P Dow Jones Indices do not in any way reflect an opinion on the investment merits of the companies involved.

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
(201) 755-5334

David Blitzer
Managing Director and Chairman of the Index Committee
S&P Dow Jones Indices
david_blitzer@spdji.com
(917) 376-1204

SOURCE S&P Dow Jones Indices