Four companies will join the benchmark S&P 500 index after the closing bell on December 17, S&P said in a statement on Thursday.

Netflix Inc, F5 Networks Inc and Newfield Exploration Co will replace Office Depot Inc, The New York Times Co and Eastman Kodak Co in the S&P 500.

Cablevision Systems Corp will replace King Pharmaceuticals Inc as King Pharma's takeover by Pfizer Inc is expected to be completed soon, S&P said.

Shares of the soon-to-be new members of the U.S. large-cap benchmark jumped in after hours trading. Netflix added 5.3 percent to $201.25, Cablevision jumped 5.3 percent to $35.13, Newfield gained 3.8 percent to $72.69 and F5 Networks rose 5.5 percent to $146.60.

New York Times, Office Depot and Eastman Kodak will be added to the S&P MidCap 400.

In other changes to its small and mid-cap benchmarks, S&P said SM Energy Co, Concur Technologies Inc and East West Bancorp Inc will replace Corinthian Colleges Inc, Wilmington Trust Corp and Coldwater Creek Inc in the S&P MidCap 400.

Corinthian Colleges, Wilmington Trust and Coldwater Creek will be added to the S&P SmallCap 600.

(Reporting by Rodrigo Campos; Editing by Andrew Hay)