Vertex, Ametek Set to Join the S&P 500; Advanced Micro Devices, SAIC to Join S&P MidCap 400; Capstead to Join S&P SmallCap 600

NEW YORK, Sept. 11, 2013 /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:

• Two S&P 500 constituents will switch places with two S&P MidCap 400 constituents effective after the close of trading on Friday, September 20. S&P MidCap 400 constituents Vertex Pharmaceuticals (NASD:VRTX) and Ametek Inc. (NYSE:AME) will replace Advanced Micro Devices Inc. (NYSE:AMD) and SAIC Inc. (NYSE:SAI) in the S&P 500, and Advanced Micro Devices and SAIC will replace Vertex Pharmaceuticals and Ametek in the S&P MidCap 400. These transfers will make each index more representative of its market capitalization range. The companies moving to the S&P 500 both have market capitalizations above $10 billion. Advanced Micro Devices is ranked #500 in the S&P 500 and has a market capitalization more representative of the midcap market space. SAIC will be splitting into 2 companies in a transaction expected to be completed before month end.
• Capstead Mortgage Corp. (NYSE:CMO) will replace Rue 21 Inc. (NASD:RUE) in the S&P SmallCap 600 after the close of trading on Thursday, September 19. Apax Partners is acquiring Rue 21 in a deal expected to be completed on or about that date pending final approvals.

Vertex Pharmaceuticals engages in discovering, developing, manufacturing, and commercializing small molecule drugs. Headquartered in Cambridge, MA, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Biotechnology Sub-Industry index.

Ametek manufactures and sells electronic instruments and electromechanical devices. Headquartered in Berwyn, PA, the company will be added to the S&P MidCap 400 GICS Electrical Components & Equipment Sub-Industry index.

Advanced Micro Devices operates as a semiconductor company. Headquartered in Sunnyvale, CA, the company will be added to the S&P MidCap 400 GICS Semiconductors Sub-Industry index.

SAIC provides scientific, engineering, systems integration, and technical services and solutions. Headquartered in McLean, VA, the company will be added to the S&P MidCap 400 GICS IT Consulting & Other Services Sub-Industry index.

Capstead Mortgage, a real estate investment trust (REIT), invests in a portfolio of residential mortgage pass-through securities. Headquartered in Dallas, TX, the company will be added to the S&P SmallCap 600 GICS Mortgage REITs Sub-Industry index.

Following is a summary of the changes:

S&P SMALLCAP 600 INDEX - September 19, 2013
	COMPANY	GICS ECONOMIC SECTOR	GICS SUB-INDUSTRY
ADDED	Capstead Mortgage	Finance	Mortgage REITs
DELETED	Rue 21	Consumer Discretionary	Apparel Retail

S&P 500 INDEX - September 20, 2013
	COMPANY	GICS ECONOMIC SECTOR	GICS SUB-INDUSTRY
ADDED	Vertex Pharmaceuticals	Health Care	Biotechnology
	Ametek	Industrials	Electrical Components & Equipment
DELETED	Advanced Micro Devices	Information Technology	Semiconductors
	SAIC	Information Technology	IT Consulting & Other Services

S&P MIDCAP 400 INDEX - September 20, 2013
	COMPANY	GICS ECONOMIC SECTOR	GICS SUB-INDUSTRY
ADDED	Advanced Micro Devices	Information Technology	Semiconductors
	SAIC	Information Technology	IT Consulting & Other Services
DELETED	Vertex Pharmaceuticals	Health Care	Biotechnology
	Ametek	Industrials	Electrical Components & Equipment

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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Communications
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Managing Director and Chairman of the Index Committee
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