X0306 4 2019-04-15 0 0001381531 Domtar CORP UFS 0001607542 Garcia Michael Dennis C/O DOMTAR CORPORATION 234 KINGSLEY PARK DRIVE FORT MILL SC 29715 0 1 0 0 President, Pulp and Paper Restricted Stock Units 2019-04-15 4 A 0 69.4707 0.00 A Common Stock 69.4707 7890.116 D Restricted Stock Units 2019-04-15 4 A 0 64.9868 0.00 A Common Stock 64.9868 7380.862 D Restricted Stock Units 2019-04-15 4 A 0 71.6413 0.00 A Common Stock 71.6413 8136.6413 D Each Restricted Stock Unit is the economic equivalent of one share of Domtar Corporation Common Stock. These Restricted Stock Units represent dividend equivalents credited to the reporting person's account, following Domtar Corporation's dividend payment of April 15, 2019. These Restricted Stock Units vest on February 21, 2020, the same vesting date as the Restricted Stock Units to which these dividend equivalents are related. These Restricted Stock Units vest on February 20, 2021, the same vesting date as the Restricted Stock Units to which these dividend equivalents are related. These Restricted Stock Units vest on February 19, 2022, the same vesting date as the Restricted Stock Units to which these dividend equivalents are related. Razvan L. Theodoru, Attorney-in-fact for Mr. Garcia 2019-04-17