Tractor Supply Set to Join the S&P 500; Align Technology to Join MidCap 400; Roadrunner Transportation and Boise Cascade to Join S&P SmallCap 600

NEW YORK, Jan. 16, 2014 /PRNewswire/ --S&P Dow Jones Indices will make the following changes to the S&P 500, S&P MidCap 400 and S&P SmallCap 600 indices effective after the close of trading on Thursday, January 23:

• S&P MidCap 400 constituent Tractor Supply Co. (NASD:TSCO) will replace Life Technologies Corp. (NASD:LIFE) in the S&P 500, S&P SmallCap 600 constituent Align Technology Inc. (NASD:ALGN) will replace Tractor Supply in the S&P MidCap 400 and Roadrunner Transportation Systems Inc. (NYSE:RRTS) will replace Align Technology in the S&P SmallCap 600. Life Technologies is being acquired by S&P 500 constituent Thermo Fisher Scientific Inc. (NYSE:TMO) in a deal expected to be completed soon pending final approvals. Tractor Supply has a market capitalization that is more representative of the large cap market space. Align Technology is the top ranked company in the S&P SmallCap 600 as measured by market capitalization.
• Boise Cascade Co. (NYSE:BCC) will replace ViroPharma Inc. (NASD:VPHM) in the S&P SmallCap 600. Shire plc is acquiring ViroPharma in a deal expected to be completed soon pending final approvals.

Tractor Supply operates retail farm and ranch stores. Headquartered in Brentwood, TN, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Specialty Stores Sub-Industry index.

Align Technology operates as a medical device company. Headquartered in San Jose, CA, the company will be added to the S&P MidCap 400 GICS Health Care Supplies Sub-Industry index.

Roadrunner Transportation Systems provides asset-light transportation and logistics services. Headquartered in Cudahy, WI, the company will be added to the S&P SmallCap 600 GICS Trucking Sub-Industry index.

Boise Cascade manufactures wood products and distributes building materials. Headquartered in Boise, ID, the company will be added to the S&P SmallCap 600 GICS Forest Products Sub-Industry index.

Following is a summary of the changes:

S&P 500 INDEX - January 23, 2014
	COMPANY	GICS ECONOMIC SECTOR	GICS SUB-INDUSTRY
ADDED	Tractor Supply	Consumer Discretionary	Specialty Stores
DELETED	Life Technologies	Health Care	Life Science Tools & Services

S&P MIDCAP 400 INDEX - January 23, 2014
	COMPANY	GICS ECONOMIC SECTOR	GICS SUB-INDUSTRY
ADDED	Align Technology	Health Care	Health Care Supplies
DELETED	Tractor Supply	Consumer Discretionary	Specialty Stores

S&P SMALLCAP 600 INDEX - January 23, 2014
	COMPANY	GICS ECONOMIC SECTOR	GICS SUB-INDUSTRY
ADDED	Roadrunner Transportation Systems	Industrials	Trucking
	Boise Cascade	Materials	Forest Products
DELETED	Align Technology	Health Care	Health Care Supplies
	ViroPharma	Health Care	Pharmaceuticals

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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