LONDON--(BUSINESS WIRE)--OM Asset Management plc (NYSE: OMAM) will announce its financial and operating results for the second quarter ended June 30, 2015, on Thursday, August 6, 2015. The Company will announce its results through a press release and related slide presentation at 8:00 a.m. Eastern Time, and will hold a conference call and simultaneous webcast to discuss the results at 10:00 a.m. Eastern Time. To listen to the call or view the webcast, participants should:           Dial-in