NEW YORK, June 4, 2015 /PRNewswire/ -- S&P SmallCap 600 constituent Manhattan Associates Inc. (NASD: MANH) will replace Life Time Fitness Inc. (NYSE: LTM) in the S&P MidCap 400, and Supernus Pharmaceuticals Inc. (NASD: SUPN) will replace Manhattan Associates in the S&P SmallCap 600 after the close of trading on Wednesday, June 10. Affiliates of private equity firms Leonard Green & Partners and TPG Capital L.P. are acquiring Life Time Fitness in a deal expected to be completed on or about that date pending final approvals.

Manhattan Associates develops, sells, deploys, services, and maintains software solutions to manage supply chains, inventory, and omni-channel operations. Headquartered in Atlanta, GA, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Application Software Sub-Industry index.

Supernus Pharmaceuticals is a specialty pharmaceutical company. Headquartered in Rockville, MD, the company will be added to the S&P SmallCap 600 GICS Pharmaceuticals 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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