Mallinckrodt Set to Join the S&P 500; Rowan to Join S&P MidCap 400; GulfMark Offshore to Join S&P SmallCap 600

NEW YORK, Aug. 14, 2014

Mallinckrodt develops, manufactures, markets, and distributes branded and generic specialty pharmaceuticals, active pharmaceutical ingredients, and diagnostic imaging agents. Headquartered in Dublin, Ireland, the company will be added to the S&P 500 GICS (Global Industry Classification) Pharmaceuticals Sub-Industry index.

Rowan Companies provides offshore oil and gas contract drilling services. Headquartered in Houston, TX, the company will be added to the S&P MidCap 400 GICS Oil & Gas Drilling Sub-Industry index.

GulfMark Offshore provides offshore marine support and transportation services. Headquartered in Houston, TX, the company will be added to the S&P SmallCap 600 GICS Oil & Gas Equipment & Services Sub-Industry index.

Following is a summary of the changes:

S&P 500 INDEX – August 18, 2014
	COMPANY ARIVA.DE Börsen-Geflüster Kurse GulfMark Offshore -   0,00% Mallinckrodt Pharmaceuticals -   0,00% Questcor Pharmaceuticals -   0,00% Rowan Companies -   0,00% S&P Global 412,56 $ -0,20%	GICS ECONOMIC SECTOR	GICS SUB-INDUSTRY
ADDED	Mallinckrodt	Health Care	Pharmaceuticals
DELETED	Rowan	Energy	Oil & Gas Drilling

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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