 HAMPTON, N.H., July 20, 2021 GLOBE NEWSWIRE -- Unitil Corporation NYSE: UTL has scheduled the release of its second quarter 2021 earnings before the market opens on August 3, 2021. Unitil will host its conference call and webcast later that day at 10:00 a.m. ET to review its quarterly results. Related presentation materials will be available before the call on the Companys Investors page at 