Mid-America Apartment Communities Set to Join the S&P MidCap 400; Monster Worldwide, Green Dot, Newpark Resources and Santarus

  Mid-America Apartment Communities Set to Join the S&P MidCap 400; Monster
Worldwide, Green Dot, Newpark Resources and Santarus to Join S&P SmallCap 600

PR Newswire

NEW YORK, Sept. 25, 2013

NEW YORK, Sept. 25, 2013 /PRNewswire/ --S&P Dow Jones Indices will make the
following changes to the S&P MidCap 400 and S&P SmallCap 600 indices:

  oS&P SmallCap 600 constituent Mid-America Apartment Communities Inc.
    (NYSE:MAA) will replace Monster Worldwide Inc. (NYSE:MWW)in the S&P
    MidCap 400, Monster Worldwide will replace Mid-America Apartment
    Communities in the S&P SmallCap 600, and Green Dot Corp. (NYSE:GDOT) will
    replace Colonial Property Trust (NYSE:CLP) in the S&P SmallCap 600 after
    the close of trading on Tuesday, October 1. MidAmerica Apartment
    Communities is acquiring Colonial Property in a deal expected to be
    completed on or about that date pending final approvals. The combined
    company will have a market capitalization that is more representative of
    the mid-cap market space. Monster Worldwide has a market capitalization
    under $550 million, making it more appropriate for the S&P SmallCap 600
    index.
  oNewpark Resources Inc. (NYSE:NR) will replace Arbitron Inc. (NYSE:ARB) in
    the S&P SmallCap 600 after the close of trading on Friday, September 27.
    S&P 500 constituent (NYSE:NLSN) Nielsen Holdings N.V. is acquiring
    Arbitron in a deal expected to be completed on September 30, pending final
    approvals.
  oSantarus Inc. (NASD:SNTS) will replace Volterra Semiconductor Corp.
    (NASD:VLTR) in the S&P SmallCap 600 after the close of trading on Tuesday,
    October 1. Maxim Integrated Products Inc. (NASD:MXIM) is acquiring
    Volterra in a deal expected to be completed soon, pending final
    conditions.

Mid-America Apartment Communities is a real estate investment Trust (REIT)
that acquires, owns and operates apartment communities and multifamily homes.
Headquartered in Memphis, TN, the company will be added to the S&P MidCap 400
GICS (Global Industry Classification Standard) Residential REITs Sub-Industry
index.

Monster Worldwide provides online and mobile employment solutions.
Headquartered in New York, NY, the company will be added to the S&P SmallCap
600 GICS Internet Software & Services Sub-Industry index.

Green Dot offers prepaid debit cards and cash loading and transfer services.
Headquartered in Pasadena, CA, the company will be added to the S&P SmallCap
600 GICS Consumer Finance Sub-Industry index.

Newpark Resources provides various products and services primarily to the oil
and gas exploration industry. Headquartered in The Woodlands, TX, the company
will be added to the S&P SmallCap 600 GICS IT Oil & Gas Equipment & Services
Sub-Industry index.

Santarus is a specialty biopharmaceutical company. Headquartered in San Diego,
CA, the company will be added to the S&P SmallCap 600 GICS Pharmaceuticals
Sub-Industry index.

Following is a summary of the changes:

S&P SMALLCAP 600 INDEX – September 27, 2013
        COMPANY           GICS ECONOMIC SECTOR   GICS SUB-INDUSTRY
ADDED   Newpark Resources Energy                 Oil & Gas Equipment &
                                                 Services
DELETED Arbitron          Consumer Discretionary Advertising



S&P 400 INDEX – October 1, 2013
        COMPANY                       GICS ECONOMIC SECTOR GICS SUB-INDUSTRY
ADDED   Mid-America Apartment         Financials           Residential REITs
        Communities
DELETED Monster Worldwide             Information          Internet Software &
                                      Technology           Services



S&P SMALLCAP 600 INDEX – October 1, 2013
        COMPANY                   GICS ECONOMIC       GICS SUB-INDUSTRY
                                  SECTOR
ADDED   Monster Worldwide         Information         Internet Software &
                                  Technology          Services
        Green Dot                 Financials          Consumer Finance
        Santarus                  Health Care         Pharmaceuticals
DELETED Mid-America Apartment     Financials          Residential REITs
        Communities
        Colonial Properties       Financials          Residential REITs
        Volterra Semiconductor    Information         Semiconductors
                                  Technology

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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Dave Guarino
Communications
S&P Dow Jones Indices
dave.guarino@spdji.com
(212) 438-1471

David Blitzer
Managing Director and Chairman of the Index Committee
S&P Dow Jones Indices
david.blitzer@spdji.com
(212) 438-3907

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