YORK, Pa., April 13, 2018 (GLOBE NEWSWIRE) — Glatfelter (NYSE:GLT) announced today that it expects to issue its 2018 first-quarter results on Tuesday, May 1, 2018.  Management will hold a conference call at 11:00 AM (EDT) that morning to discuss the Company’s results.  Glatfelter’s earnings release and an accompanying financial supplement, which includes significant financial information to be discussed on the conference call, will be available on its Investor Relations website at http://www.glatfelter.com/about_us/investor_relations/default.aspx.