VP,General Counsel & Secretary Koepke Bryon L covered exercise/tax liability with 5,210 units of Common Units, exercised 15,331 units of Common Units at a strike of $18.83, returned $288,683 worth of Common Units to the company (15,331 units at $18.83) and was granted 17,415 units of Common Units, increasing direct ownership by 13% to 103,562 units (SEC Form 4)