BOSTON, April 12, 2022 – XL Fleet Corp. (NYSE: XL) (“XL Fleet” or the “Company”), a leading provider of fleet electrification solutions, today announced that Donald P. Klein has been appointed Chief Financial Officer of XL Fleet, effective April 11, 2022. Mr. Klein replaces Chris Goldner, who was appointed as the Company’s interim Chief Financial Officer in February 2022. “I am excited to welcome Don to the leadership team at XL Fleet,” said Eric Tech, Chief Executive Officer of XL Fleet. Forward Looking StatementsCertain statements in this press release may constitute “forward-looking statements” within the meaning of the federal securities laws. These forward-looking statements speak only as of the date hereof and the Company specifically disclaims any obligation to update these forward-looking statements.