X030642017-11-0100001297989ExlService Holdings, Inc.EXLS0001179283OSTLER CLYDE W280 PARK AVENUENEW YORKNY100171000Common Stock, par value $0.001 per share2017-11-014M0691623.87A6916DCommon Stock, par value $0.001 per share2017-11-014S0691662.10D0DEmployee Stock Options (right to buy)23.872017-11-014M069160D2017-12-06Common Stock, par value $0.001 per share691623084DOn November 1, 2017, the reporting person exercised previously issued options to purchase an aggregate of 6,916 shares of common stock of ExlService Holdings, Inc.This sale was made pursuant to a 10b5-1 plan previously entered into by the reporting person.On December 6, 2007, the reporting person was granted 30,000 stock options. 25 percent of these options became vested and exercisable on December 6, 2008, an additional 25 percent became vested and exercisable on December 6, 2009, an additional 25 percent became vested and exercisable on December 6, 2010, and the balance of 25 percent became vested and exercisable on December 6, 2011.Mr. Oseni is the Company's Head of Administration and Accounts/s/ Lazbart Oseni, Attorney-in-Fact2017-11-03