 ST HELIER, Jersey, Aug. 11, 2021 GLOBE NEWSWIRE -- Caledonia Mining Corporation Plc Caledonia or the Company NYSE AMERICAN: CMCL; AIM: CMCL announces that following the release on Thursday 12 August of its operating and financial results for the quarter and the six months ended June 30, 2021, it will host a conference webinar to discuss the results and the outlook for the Company. 