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

• S&P SmallCap 600 constituent Cubist Pharmaceuticals Inc. (NASD:CBST) will replace Smithfield Foods Inc. (NYSE:SFD) in the S&P MidCap 400, and Annie's Inc. (NYSE:BNNY) will replace Cubist Pharmaceuticals in the S&P SmallCap 600 after the close of trading on Thursday, September 26. Smithfield Foods is being acquired by Shuanghui International Holdings Ltd. In a deal expected to be completed on or about that date pending final approvals.
• Science Applications International Corp. (NYSE:SAICwi) will replace Barnes & Noble (NYSE:BKS) in the S&P MidCap 400, and Barnes & Noble will replace Radisys Corp. (NASD:RSYS) in the S&P SmallCap 600 after the close of trading on Friday, September 27. SAIC Inc. (NYSE:SAI), which is changing its name to Leidos Holdings Inc., is spinning off Science Applications to shareholders in a transaction expected to be effective after the close of trading on that date. The newly renamed Leidos Holdings will remain in the S&P MidCap 400. Barnes & Noble's market capitalization is now more representative of the small cap market space. Radisys is ranked #600 in the S&P SmallCap 600.

Cubist Pharmaceuticals focuses on the research, development, and commercialization of pharmaceutical products. Headquartered in Lexington, MA, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Biotechnology Sub-Industry index.

Annie's engages in the production, marketing, and distribution of natural and organic food products. Headquartered in Berkeley, CA, the company will be added to the S&P SmallCap 600 GICS Packaged Foods & Meats Sub-Industry index.

Sciences Applications International provides technical, engineering and enterprise information technology services. Headquartered in McLean, VA, the company will be added to the S&P MidCap 400 GICS IT Consulting & Other Services Sub-Industry index.

Barnes & Noble is a retailer of content, digital media and educational products. Headquartered in New York, NY, the company will be added to the S&P SmallCap 600 GICS Specialty Stores 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
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