Liberty Oilfield Services Inc. Announces Timing of Release of First Quarter Financial Results and Conference Call

DENVER–(BUSINESS WIRE)–Liberty Oilfield Services Inc. (NYSE:LBRT) announced today that it will
release its financial results for the first quarter 2019 on Tuesday,
April 30, 2019 after the market closes. 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, May 1, 2019.
Presenting the Company’s results will be Chris Wright, Chief Executive
Officer, Ron Gusek, President, and Michael Stock, Chief Financial
Officer.

Individuals wishing to participate in the conference call should dial
(833) 255-2827, or for international callers, (412) 902-6704.
Participants should ask to join the Liberty Oilfield Services call. A
live webcast will be available at http://investors.libertyfrac.com.
The webcast can be accessed for 90 days following the call. A telephone
replay will be available shortly after the call and can be accessed by
dialing (877) 344-7529, or for international callers (412) 317-0088. The
passcode for the replay is 10130775. The replay will be available until
May 8, 2019.

About Liberty Oilfield Services Inc.

Liberty is an independent provider of hydraulic fracturing services to
onshore oil and natural gas exploration and production companies in
North America. Liberty was founded in 2011 with a relentless focus on
improving tight-oil completions, and an emphasis on customer
partnerships and technology to find innovative answers to frac
optimization. Liberty is headquartered in Denver, Colorado. For more
information about Liberty Oilfield Services Inc. or this event, please
contact Investor Relations at IR@libertyfrac.com.

Contacts

Michael Stock
Chief Financial Officer
303-515-2851
IR@libertyfrac.com