CELG Celgene Corporation

Nasdaq (Nasdaq: NDAQ) today announced that Exelon Corporation (Nasdaq: EXC), will become a component of the NASDAQ-100 Index® (Nasdaq: NDX), the NASDAQ-100 Equal Weighted Index (Nasdaq: NDXE) and the NASDAQ-100 Ex-Tech Sector Index (Nasdaq: NDXX) prior to market open on Thursday, November 21, 2019. Exelon Corporation will replace Celgene Corporation (Nasdaq: CELG) in the indexes.

Exelon Corporation is headquartered in Chicago, Illinois and has a market capitalization of approximately $44 billion. For more information about the company, go to http://www.exeloncorp.com/.

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Media Contact:  Matthew Sheahan, Nasdaq (212) 231-5945 Matthew.Sheahan@nasdaq.com Issuer & Investor Contact:  Carla Proto, Nasdaq (203) 926-3326

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