Standard & Poor's will make the following changes to the S&P 100, S&P 500, S&P MidCap 400 and S&P SmallCap 600 indices:

-- S&P MidCap 400 constituent Equitable Resources Inc. (NYSE: EQT) will replace Transocean Inc. (NYSE: RIG) in the S&P 500, S&P SmallCap 600 constituent Woodward Governor Co. (Nasdaq: WGOV) will replace Equitable Resources in the S&P MidCap 400, and Forrester Research Inc. (Nasdaq: FORR) will replace Woodward Governor in the S&P SmallCap 600 after the close of trading on Thursday, December 18. Transocean is in the process of redomesticating to Switzerland, rendering it ineligible for continued inclusion in the S&P 500.

-- The following changes will be made to the S&P 100 after the close of trading on Friday, December 19: Gilead Sciences Inc. (Nasdaq: GILD) will replace International Paper Co. (NYSE: IP), Lowe's Companies Inc. (NYSE: LOW) will replace CBS Corp. (NYSE: CBS), Devon Energy Corp. (NYSE: DVN) will replace El Paso Corp. (NYSE: EP), Lockheed Martin Corp. (NYSE: LMT) will replace The AES Corp. (NYSE: AES),

Walgreen Co. (NYSE: WAG) will replace Hartford Financial Services Group Inc. (NYSE: HIG), Schering-Plough Corp. (NYSE: SGP) will replace American International Group Inc. (NYSE: AIG), and Nike Inc. (NYSE: NKE) will replace CIGNA Corp. (NYSE: CI). All companies being added to the S&P 100 are currently S&P 500 constituents, and all companies being removed from the S&P 100 will remain S&P 500 constituents.

"Standard & Poor's is making these changes to the S&P 100 in order to bolster its representativeness of the U.S. mega-cap equity space. All companies being added have market values of $23 billion or greater, while all being removed have market values below $6 billion," says Dr. David Blitzer, Chairman of the U.S. Index Committee.

Standard & Poor's will monitor these transactions, and post any relevant updates on its website: www.standardandpoors.com.

Equitable Resources is an energy company that focuses on natural gas production, transmission and distribution, and energy management services. Headquartered in Pittsburgh, PA, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Gas Utilities Sub-Industry Index.

Woodward Governor designs, manufactures and services energy control systems and components for commercial & military aircraft, turbines, reciprocating engines and electrical power system equipment. Headquartered in Fort Collins, CO, the company will be added to the S&P MidCap 400 GICS Electrical Components & Equipment Sub-Industry Index.

Forrester Research provides advice to business and technology customers. Headquartered in Cambridge, MA, the company will be added to the S&P SmallCap 600 GICS IT Consulting & Other Services Sub-Industry Index.

Headquartered in Foster City, CA, Gilead Sciences engages in the discovery, development, and commercialization of therapeutics for the treatment of life-threatening infectious diseases.

Headquartered in Mooresville, NC, Lowe's operates as a home-improvement retailer.

Headquartered in Oklahoma City, OK, Devon Energy specializes in oil and gas exploration, development, and production.

Headquartered in Bethesda, MD, Lockheed Martin is a military weapons manufacturer, as well as a significant supplier to NASA and other government agencies.

Headquartered in Deerfield, IL, Walgreen operates a chain of drug stores across the U.S.

Headquartered in Kenilworth, NJ, Schering-Plough discovers, develops, manufactures and sells pharmaceuticals.

Headquartered in Beaverton, OR, Nike specializes in footwear, apparel, equipment, and accessory products worldwide.

    Following is a summary of the changes:



                      S&P 500 INDEX - December 18, 2008

            COMPANY             GICS ECONOMIC SECTOR   GICS SUB-INDUSTRY

    ADDED   Equitable Resources Utilities              Gas Utilities
    DELETED Transocean          Energy                 Oil & Gas Drilling




                   S&P MIDCAP 400 INDEX - December 18, 2008

             COMPANY             GICS ECONOMIC SECTOR  GICS SUB-INDUSTRY

    ADDED    Woodward Governor   Industrials           Electrical Components &
                                                         Equipment
    DELETED  Equitable Resources Utilities             Gas Utilities




                  S&P SMALLCAP 600 INDEX - December 18, 2008

             COMPANY            GICS ECONOMIC SECTOR   GICS SUB-INDUSTRY

    ADDED    Forrester Research Information Technology IT Consulting &
                                                         Other Services
    DELETED  Woodward Governor  Industrials            Electrical Components &
                                                         Equipment



                      S&P 100 INDEX - December 19, 2008
              COMPANY             GICS ECONOMIC        GICS SUB-INDUSTRY
                                  SECTOR
    ADDED     Gilead Sciences     Health Care          Biotechnology
              Lowe's              Consumer             Home Improvement
                Companies           Discretionary        Retail
              Devon Energy        Energy               Oil & Gas Exploration &
                                                         Production
              Lockheed Martin     Industrials          Aerospace & Defense
              Walgreen            Consumer Staples     Drug Retail
              Schering-Plough     Health Care          Pharmaceuticals
              Nike                Consumer             Footwear
                                    Discretionary
    DELETED   International       Materials            Paper Products
                Paper
              CBS                 Consumer             Broadcasting
                                    Discretionary
              El Paso             Energy               Oil & Gas Storage &
                                                         Transportation
              AES                 Utilities            Independent Power
                                                         Producers &
                                                         Energy Traders
              Hartford Financial  Financials           Multi-Line Insurance
              Services
              American            Financials           Multi-Line Insurance
                International
                Group
              CIGNA               Health Care          Managed Health
                                                         Care

Additions to and deletions from an S&P equity index do not in any way reflect an opinion on the investment merits of the companies concerned.

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