NEW YORK, Jan. 9, 2012 /PRNewswire/ -- S&P will make the following changes to the S&P MidCap 400 and S&P SmallCap 600 Indices:

• S&P SmallCap 600 constituent Carter's Inc. CRI will replace 99¢ Only Stores NDN in the S&P MidCap 400 index, and Virtus Investment Partners Inc. VRTS will replace Carter's in the S&P SmallCap 600 index after the close of trading on Friday, January 13.  A consortium led by Ares Management LLC is acquiring 99¢ Only Stores in a deal expected to be completed on or about that date pending final approvals.
• SunCoke Energy Inc. (NYSE: SXCwi) will replace School Specialty Inc. SCHS in the S&P SmallCap 600 index after the close of trading on Tuesday, January 17. S&P 500 constituent Sunoco Inc. SUN is spinning off SunCoke Energy in a transaction expected to be completed on or about that date pending final approvals. The Sunoco stub will remain in the S&P 500 index. School Specialty is ranked #600 in the SmallCap 600 index.

S&P Indices will post any relevant updates on its website: www.standardandpoors.com.  

Carter's designs, sources, and markets branded children's wear. Headquartered in Atlanta, GA, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Apparel Accessories & Luxury Goods Sub-Industry index.

Virtus Investment Partners Inc. provides investment management products and services. Headquartered in Hartford, CT, the company will be added to the S&P SmallCap 600 GICS Asset Management & Custody Banks Sub-Industry index.

SunCoke Energy manufactures coke for use in the production of blast furnace steel. Headquartered in Knoxville, TN, the company will be added to the S&P SmallCap 600 GICS Diversified Metals & Mining Sub-Industry index.

Following is a summary of the changes:

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