NEW YORK, January 29, 2019: S&P Dow Jones Indices will make the following changes to the S&P MidCap 400 and S&P SmallCap 600 effective prior to the open of trading on Monday, February 4:
• Caesars Entertainment Corp. (NASD:CZR) will replace Dril-Quip Inc. (NYSE:DRQ) in the S&P MidCap 400 and Dril-Quip will replace Essendant Inc. (NASD:ESND) in the S&P SmallCap 600. Staples Inc. is acquiring Essendant in a deal expected to close soon pending final conditions
• Conn’s Inc. (NASD:CONN) will replace Electro Scientific Industries Inc. (NASD:ESIO) in the S&P SmallCap 600. S&P MidCap 400 constituent MKS Instruments Inc. (NASD: MKSI) is acquiring Electro Scientific Industries in a deal expected to close on February 1 pending final approvals.