A vehicle bumper assembly includes a first energy absorbing member extending in a lateral direction of a vehicle. A reinforcement member extends in the lateral direction of the vehicle and is connected to the first energy absorbing member. A second energy absorbing member is connected to the reinforcement member. The second energy absorbing member includes a first bracket member configured to be connected to a vehicle body structure of the vehicle. A retaining member extends outwardly from the first bracket member. The retaining member has a first portion having a substantially constant first height and a second portion having a second height less than the first height. At least one first compression member is movably disposed in the retaining member. The at least one first compression member is configured to move through the retaining member responsive to an impact event.