Alliant Energy Set to Join the S&P 500; Southwest Gas to Join S&P MidCap 400; Shutterstock to Join S&P SmallCap 600

NEW YORK, June 29, 2016 /PRNewswire/ -- S&P MidCap 400 constituent Alliant Energy Corp. (NYSE: LNT) will replace AGL Resources Inc. (NYSE: GAS) in the S&P 500, S&P SmallCap 600 constituent Southwest Gas Corp. (NYSE: SWX) will replace Alliant Energy in the S&P MidCap 400, and Shutterstock Inc. (NYSE: SSTK) will replace Southwest Gas in the S&P SmallCap 600 after the close of trading on Thursday, June 30. S&P 100 & 500 constituent Southern Co. (NYSE: SO) is acquiring AGL Resources in a deal expected to be completed soon, pending final conditions.

Alliant Energy provides regulated electricity and natural gas services to residential, commercial, industrial, and wholesale customers. Headquartered in Madison, WI, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Electric Utilities Sub-Industry index.

Southwest Gas purchases, distributes, and transports natural gas. Headquartered in Las Vegas, NV, the company will be added to the S&P MidCap 400 GICS Gas Utilities Sub-Industry index.

Shutterstock provides content products and services, and offers digital imagery services used in visual communications. Headquartered in New York, NY, the Company will be added to the S&P SmallCap 600 GICS Internet Software & Services Sub-Industry index.

Following is a summary of the changes:

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FOR MORE INFORMATION:

David Blitzer
Managing Director and Chairman of the Index Committee
New York, USA
(+1) 212 438 3907
[email protected]

Soogyung Jordan
Global Head of Communications
New York, USA
(+1) 212 438 2297
[email protected]

SOURCE S&P Dow Jones Indices