Elanco Animal Health Set to Join S&P MidCap 400; Sarepta Therapeutics to Join S&P SmallCap 600

Elanco Animal Health Inc. (NYSE: ELAN) will replace Sarepta Therapeutics Inc. (NASD: SRPT) in the S&P MidCap 400, and Sarepta Therapeutics will replace Brookline Bancorp Inc. (NASD: BRKL) in the S&P SmallCap 600 effective prior to the opening of trading on Tuesday, September 2. S&P SmallCap 600 constituent Berkshire Hills Bancorp Inc. (XNYS: BHLB) is acquiring Brookline Bancorp in a deal expected to be completed soon, pending final closing conditions. Post merger, Berkshire Hills Bancorp will remain in the S&P SmallCap 600 with a name and ticker change to Beacon Financial Corp. (NYSE: BBT).

Following is a summary of the changes that will take place prior to the open of trading on the effective date:

Effective Date Index Name Action Company Name Ticker GICS SectorSeptember 2, 2025 S&P MidCap 400 Addition Elanco Animal Health ELAN Health CareSeptember 2, 2025 S&P MidCap 400 Deletion Sarepta Therapeutics SRPT Health CareSeptember 2, 2025 S&P SmallCap 600 Addition Sarepta Therapeutics SRPT Health CareSeptember 2, 2025 S&P SmallCap 600 Deletion Brookline Bancorp BRKL Financials

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