 WESTLAKE, Texas, Oct. 26, 2020 GLOBE NEWSWIRE -- Core-Mark Holding Company, Inc. NASDAQ: CORE, announced today that it will release its earnings before the market opens on Thursday, November 5, 2020 for the third quarter ended September 30, 2020 and will host an investor call later that morning at 8:00 a.m. Central time. This call may be accessed by dialing 800-588-4973 using the code 49992941. The call may also be listened to on the Companys website 