 DENVER--BUSINESS WIRE--Liberty Oilfield Services Inc. NYSE: LBRT; Liberty or the Company announced today it will host investor meetings at the following conferences. Enercoms The Oil Gas Conference on August 16 and 17 Bank of Americas Fall Energy Summit on August 24 Seaport 10th Annual Summer Investment Conference on August 24 and 25 A link to the webcast presentation, if applicable, and a copy of the slides that may be used during the meetings will be available on the Liberty w 