MIDDLEFIELD, Ohio, May 14, 2024 (GLOBE NEWSWIRE) -- Middlefield Banc Corp. (NASDAQ:MBCN) today announced that its Board of Directors declared a quarterly cash dividend of 0.20percommonshare.Thesecond−quarterdividendispayableonJune14,2024,toshareholdersofrecordonMay31,2024.AboutMiddlefieldBancCorp.MiddlefieldBancCorp.,headquarteredinMiddlefield,Ohio,istheBankholdingCompanyofTheMiddlefieldBankingCompany,withtotalassetsof1.82 billion at March 31, 2024. The Bank o ...