Unless forfeited pursuant to Section 3(b), the Deferred Stock Units shall vest in accordance with the following schedule: (i) an initial one-third (1/3 rd ) of the Deferred Stock Units shall vest on [insert], 2019; (2) an additional one-third (1/3 rd ) of the Deferred Stock Units shall vest on [insert], 2020; and (3) the final one-third (1/3 rd ) of the Deferred Stock Units shall vest on [insert], 2021.