VARI Varian (MM)

NEW YORK, May 12 /PRNewswire/ -- S&P SmallCap 600 constituent Rock-Tenn Co. (NYSE: RKT) will replace Varian Inc. (NASD: VARI) in the S&P MidCap 400 index, and LSB Industries Inc. (NYSE: LXU) will replace Rock-Tenn in the S&P SmallCap 600 index after the close of trading on a date to be announced.  Varian is being acquired by S&P 500 constituent Agilent Technologies Inc. (NYSE: A) in a deal expected to be completed soon, pending final approvals.

Standard & Poor's will monitor this transaction, and post any relevant updates on its website: www.standardandpoors.com.

Rock-Tenn Company is a producer of paperboard, containerboard and consumer and corrugated packaging. Headquartered in Norcross, GA, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Paper Packaging Sub-Industry index.  

LSB Industries engages in the manufacture and sale of geothermal and water source heat pumps, air handling products, and chemical products. Headquartered in Oklahoma City, OK, the company will be added to the S&P SmallCap 600 GICS Diversified Chemicals Sub-Industry index.  

Following is a summary of the changes:

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SOURCE Standard & Poor's