X0306 4 2014-07-22 0 0001004434 AFFILIATED MANAGERS GROUP, INC. AMG 0001486072 Churchill Dwight D. C/O AFFILIATED MANAGERS GROUP, INC. 600 HALE STREET PRIDES CROSSING MA 01965 1 0 0 0 Director Stock Option (Right to Buy) 207.21 2014-07-22 4 A 0 990 207.21 A 2021-07-22 Common Stock 990 990 D Stock Units 2014-07-22 4 A 0 193 0 A Common Stock 193 193 D This option is exercisable in 25% increments on each of December 31, 2014, 2015, 2016 and 2017. Represents stock units granted to the reporting person under the Company's Deferred Compensation Plan. Each stock unit represents a right to receive one share of the Company's common stock or, at the election of the plan administrator, cash with an equivalent value, upon vesting. The stock units vest in 25% increments on each of January 1, 2015, 2016, 2017 and 2018. /s/ David M. Billings, Attorney-in-Fact 2014-07-24