 DENVER--BUSINESS WIRE--Liberty Oilfield Services Inc. NYSE: LBRT announced today that it will release its financial results for the second quarter 2021 after the market closes on Tuesday, July 27, 2021. Following the release, the Company will host a conference call to discuss the results at 8:00AM Mountain Time 10:00AM Eastern Time on Wednesday, July 28, 2021. Presenting the Companys results will be Chris Wright, Chief Executive Officer; Ron Gusek, President and Michael Stock, Chief Fina 