NEW YORK, Jan. 13, 2016 /PRNewswire/ -- S&P Dow Jones Indices will make the following changes to the S&P 500, S&P MidCap 400 and S&P SmallCap 600 indices:

• S&P MidCap 400 constituent Extra Space Storage Inc. (NYSE: EXR) will replace The Chubb Corp. (NYSE: CB) in the S&P 500, S&P SmallCap 600 constituent EPR Properties (NYSE: EPR) will replace Extra Space Storage in the S&P MidCap 400, and U.S. Concrete Inc. (NASD: USCR) will replace EPR Properties in the S&P SmallCap 600 after the close of trading on Friday, January 15. S&P 500 constituent ACE Ltd. (NYSE: ACE) is acquiring Chubb in a deal expected to be completed on January 14 pending final conditions. Post merger, ACE will change its name to Chubb Limited and trade under the ticker symbol "CB".
• World Wrestling Entertainment Inc. (NYSE: WWE) will replace Wausau Paper Corp. (NYSE: WPP) in the S&P SmallCap 600 after the close of trading on Wednesday, January 20. SCA is acquiring Wausau Paper in a deal expected to be completed on or about that date pending final approvals.

Extra Space Storage, a real estate investment trust (REIT), owns and operates self-storage properties. Headquartered in Salt Lake City, UT, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Specialized REITs Sub-Industry index.

EPR Properties, a real estate investment trust (REIT), develops, owns, leases and finances properties in select market segments primarily related to entertainment, education and recreation. Headquartered in Kansas City, MO, the company will be added to the S&P MidCap 400 Specialized REITs Sub-Industry index.

U.S. Concrete produces and sells ready-mixed concrete, aggregates, and concrete-related products and services. Headquartered in Euless, TX, the company will be added to the S&P SmallCap 600 GICS Construction Materials Sub-Industry index.

World Wrestling Entertainment engages in the sports entertainment business. Headquartered in Stamford, CT, the company will be added to the S&P SmallCap 600 GICS Movies & Entertainment 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.

For more information about S&P Dow Jones Indices, please visit www.spdji.com

About S&P Dow Jones Indices
S&P Dow Jones Indices LLC, a part of McGraw Hill Financial, 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^®, S&P Dow Jones Indices LLC has over 115 years of experience constructing innovative and transparent solutions that fulfill the needs of investors. More assets are invested in products based upon our indices than any other provider in the world. With over 1,000,000 indices covering a wide range of asset 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.

S&P® is a registered trademark of Standard & Poor's Financial Services LLC ("S&P"), a part of McGraw Hill Financial. Dow Jones® is a registered trademark of Dow Jones Trademark Holdings LLC ("Dow Jones"). These trademarks have been licensed to S&P Dow Jones Indices LLC. It is not possible to invest directly in an index. S&P Dow Jones Indices LLC, Dow Jones, S&P and their respective affiliates (collectively "S&P Dow Jones Indices") do not sponsor, endorse, sell, or promote any investment fund or other investment vehicle that is offered by third parties and that seeks to provide an investment return based on the performance of any index. This document does not constitute an offer of services in jurisdictions where S&P Dow Jones Indices does not have the necessary licenses. S&P Dow Jones Indices receives compensation in connection with licensing its indices to third parties.

S&P DJI MEDIA CONTACTS:

David Blitzer
Managing Director and Chairman of Index Committee
New York, USA
(+1) 212 438 3907
david.blitzer@spdji.com

David R. Guarino
Head of Communications
New York, USA
(+1) 212 438 1471
dave.guarino@spdji.com

SOURCE S&P Dow Jones Indices