NEW YORK, Sept. 26, 2017 /PRNewswire/ -- S&P Dow Jones Indices will make the following changes in the S&P MidCap 400 and S&P SmallCap 600 indices effective prior to the open of trading on Monday, October 2:

• Six Flags Entertainment Corp. (NYSE: SIX) will replace PAREXEL International Corp. (NASD: PRXL) in the S&P MidCap 400. Pamplona Capital Management is acquiring PAREXEL in a deal expected to be completed soon pending final conditions.
  
  
• S&P SmallCap 600 constituent Sterling Bancorp (NYSE: STL) will replace Oil States International Inc. (NYSE: OIS) in the S&P MidCap 400, and KEMET Corp. (NYSE: KEM) will replace Astoria Financial Corp. (NYSE: AF) in the S&P SmallCap 600, and Oil States will replace Sterling Bancorp in the S&P SmallCap 600. Sterling Bancorp is acquiring Astoria in a deal expected to be completed soon pending final closing conditions. Post merger, Sterling Bancorp will be more representative of the mid-cap market space. Oil States is more representative of the small-cap market space.

Six Flags owns and operates regional theme and water parks.  Headquartered in Grand Prairie, TX, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Leisure Facilities Sub-Industry index.

KEMET manufactures and sells passive electronic components. Headquartered in Simpsonvile, SC, the company will be added to the S&P SmallCap 600 Electronic Manufacturing Services GICS Sub-Industry index.

Sterling Bancorp provides various banking services to commercial, consumer, and municipal clients.  Headquartered in Montebello, NY, the company will be added to the S&P MidCap 400 Regional Banks GICS Sub-Industry index.

Oil States provides specialty products and services to oil and natural gas companies.  Headquartered in Houston, TX, the company will be added to the S&P SmallCap 600 Oil & Gas Equipment & Services GICS Sub-Industry index.

Following is a summary of the changes:

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FOR MORE INFORMATION:

S&P Dow Jones Indices
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David Blitzer
Managing Director and Chairman of the Index Committee
New York, USA
(+1) 212 438 3907
david.blitzer@spglobal.com

Soogyung Jordan
Global Head of Communications
New York, USA
(+1) 212 438 2297
soogyung.jordan@spglobal.com

Luke Shane
North America Communications
New York, USA
(+1) 212 438 8184
luke.shane@spglobal.com

Haw-Yan Man
EMEA Communications
London, UK
(+44) 207 176 3023
haw-yan.man@spglobal.com

Cecilia Ho
Asia Pacific Communications
Hong Kong, HK
(+852) 2532 8061
cecilia.ho@spglobal.com

SOURCE S&P Dow Jones Indices