Mid-America Apartment Communities, AmSurg to Join S&P 500; Others to Join S&P MidCap 400 and S&P SmallCap 600

NEW YORK, Nov. 29, 2016

• S&P MidCap 400 constituent Mid-America Apartment Communities Inc. (NYSE: MAA) will replace Owens-Illinois Inc. (NYSE: OI) in the S&P 500, and Owens-Illinois will replace Mid-America Apartment Communities in the S&P MidCap 400. S&P SmallCap 600 constituent Papa John's International Inc. (NASD: PZZA) will replace Post Properties Inc. (NYSE: PPS) in the S&P MidCap 400, and Wingstop Inc. (NASD: WING) will replace Papa John's International in the S&P SmallCap 600. Mid-America Apartment Communities is acquiring Post Properties in a deal expected to be completed on December 1 pending final conditions. Owens-Illinois is ranked near the bottom of the S&P 500 and has a market capitalization more representative of the mid-cap market space.
• S&P MidCap 400 constituent AmSurg Corp. (NASD: AMSG) will replace Legg Mason Inc. (NYSE: LM) in the S&P 500, and Legg Mason will replace AmSurg in the S&P MidCap 400. AmSurg is acquiring Envision Healthcare Holdings Inc. (NYSE: EVHC) in a transaction expected to be completed on December 1 pending final conditions. Post merger, AmSurg will change its name to Envision Healthcare Corp. and its Global Industry Classification (GICS) sub industry group to Health Care Services. Legg Mason is ranked near the bottom of the S&P 500 and has a market capitalization more representative of the mid-cap market space.

Mid-America Apartment Communities, a real estate investment trust (REIT), is engaged in acquisition, redevelopment, new development, property management, and disposition of multifamily apartment communities. Headquartered in Memphis, TN, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Residential REITs Sub-Industry index.

Owens-Illinois manufactures and sells glass containers. Headquartered in Perrysburg, OH, the company will be added to the S&P MidCap 400 GICS Metals & Glass Containers Sub-Industry index.

Papa John's International operates and franchises pizza delivery and carryout restaurants. Headquartered in Louisville, KY, the Company will be added to the S&P MidCap 400 GICS Restaurants Sub-Industry index.

Wingstop franchises and operates restaurants. Headquartered in Dallas, TX, the Company will be added to the S&P SmallCap 600 GICS Restaurants Sub-Industry index.

AmSurg provides physician-centric surgical center and physician services. Headquartered in Nashville, TN, the Company will be added to the S&P 500 GICS Health Care Services Sub-Industry index.

Legg Mason provides investment management and related services. Headquartered in Baltimore, MD, the Company will be added to the S&P SmallCap 600 GICS Asset Management & Custody Banks Sub-Industry index.