Macerich Set to Join the S&P 500; 3D Systems to Join the S&P MidCap 400; CoreSite Realty to Join the S&P SmallCap 600

NEW YORK, May 3, 2013 /PRNewswire/ -- S&P MidCap 400 constituent The Macerich Co. (NYSE: MAC) will replace Coventry Health Care Inc. (NYSE: CVH) in the S&P 500, S&P SmallCap 600 constituent 3D Systems Corp. (NYSE: DDD) will replace Macerich in the S&P MidCap 400, and CoreSite Realty Corp. (NYSE: COR) will replace 3D Systems in the S&P SmallCap 600 after the close of trading on Wednesday, May 8. S&P 500 constituent Aetna Inc. (NYSE: AET) is acquiring Coventry Health Care in a deal expected to be completed on or around that date, pending final approvals.

Macerich, a real estate investment trust (REIT), engages in the acquisition, ownership, development, redevelopment, management and leasing of regional and community shopping centers. Headquartered in Santa Monica, CA, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Retail REITs Sub-Industry index.

3D Systems develops, manufactures and markets 3D printers, print materials, on-demand custom parts services, and 3D authoring solutions. Headquartered in Rock Hill, SC, the company will be added to the S&P MidCap 400 GICS Computer Hardware Sub-Industry index.

CoreSite Realty, a real estate investment trust (REIT), engages in the ownership, acquisition, construction, and management of data centers. Headquartered in Denver, CO, the company will be added to the S&P SmallCap 600 GICS Office REITs 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.

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For more information:

Dave Guarino
Communications
S&P Dow Jones Indices
[email protected]
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

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