 FORT MILL, S.C.--BUSINESS WIRE--- UFS--Domtar Corporation NYSE: UFS TSX: UFS today announced the following tentative 2021 quarterly earnings schedule: First Quarter 2021: Thursday, May 6, 2021 Second Quarter 2021: Thursday, August 5, 2021 Third Quarter 2021: Thursday, November 4, 2021 Fourth Quarter 2021: Thursday, February 10, 2022 Each quarterly earnings release with accompanying financial tables will be issued before markets open, followed by a 10:00 a.m. ET conference call to discuss resul 