 PHOENIX, July 13, 2021 GLOBE NEWSWIRE -- Mesa Air Group, Inc. NASDAQ: MESA today announces that it has made an investment in electric aircraft company, Heart Aerospace Heart, a company that plans to be the first to produce the worlds first electric nineteen-seat ES-19 aircraft, alongside Breakthrough Energy Ventures and United Airlines Ventures. Subject to certain terms, Mesa also plans to add 100 ES-19 aircraft to its regional fleet, revolutionizing air service to small markets as one of the first network air carriers to help decarbonize air travel through the use of electric aircraft. This announcement expands on the efforts that Mesa has made in the emerging transition to electric-powered flight with airlines such as United Airlines first with the announcement of an investment in Archer Aviation and its eVTOL aircraft, and now with the ES-19, a fully electric nineteen-seat regional aircraft. 