APR 14, 2020 BROOKLYN HEIGHTS, Ohio–(BUSINESS WIRE)– GrafTech International Ltd. (NYSE:EAF) plans to host its First Quarter 2020 Conference Call and Webcast on Wednesday, May 6, 2020 at 10:00 a.m. (EDT). The call will be hosted by senior management to discuss financial results for the first quarter ended March 31, 2020 and current business initiatives. These financial results will be …