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LLIBERTY LIBERTY OILFIELD SERVICES INC . ANNOUNCES SECOND QUARTER 2021 FINANCIAL AND OPERATIONAL RESULTS July 27 , 2021 DENVER -- ( BUSINESS WIRE ) -- Liberty Oilfield Services Inc. ( NYSE : LBRT ; " Liberty " or the " Company " ) announced today second quarter 2021 financial and operational results . Summary Results and Highlights • Revenue of $ 581 million , representing a 5 % sequential increase , and net loss 1 of $ 52 million , or $ 0.29 fully diluted loss per share for the quarter ended June 30 , 2021 • Adjusted EBITDA² of $ 37 million , representing a 15 % sequential increase • Results included the restoration of field personnel variable compensation one quarter ahead of plan , resulting in an $ 8 million increase to personnel costs . Excluding this cost , Adjusted • EBITDA² would have been $ 45 million , representing a 41 % sequential increase Completed successful field test of Liberty's digiFrac ™ pump , the industry's first purpose - built fully integrated electric frac pump • Released inaugural ESG report Bettering Human Liveshighlighting energy and its place in modern society and Liberty's ongoing industry leadership in developing technology solutions for producing cleaner energy • Held Liberty's first investor day highlighting our culture , technology , financial performance and strategic outlook • Transitioned OneStimⓇ acquisition from initial integration focus to the next phase of raising operational and capital efficiency through technology , integration and automation Page 1 of 13