Solaris Oilfield Infrastructure, Inc. (NYSE:SOI) (“Solaris” or the “Company”) will host a conference call to discuss its fourth quarter and full year 2018 results on Thursday, February 28, 2019 at 7:30 a.m. Central Time (8:30 a.m. Eastern Time). Solaris will issue its fourth quarter and full year 2018 earnings release after market close on February 27, 2019.

To join the fourth quarter and full year 2018 conference call from within the United States, participants may dial (844) 413-3978. To join the conference call from outside of the United States, participants may dial (412) 317-6594. When instructed, please ask the operator to be joined to the Solaris Oilfield Infrastructure, Inc. call. Participants are encouraged to log in to the webcast or dial in to the conference call approximately ten minutes prior to the start time. To listen via live webcast, please visit the Investor Relations section of the Company’s website, www.solarisoilfield.com.

An audio replay of the conference call will be available shortly after the conclusion of the call and will remain available for approximately seven days. It can be accessed by dialing (877) 344-7529 within the United States or (412) 317-0088 outside of the United States. The conference call replay access code is 10127929. The replay will also be available in the Investor Relations section of the Company’s website shortly after the conclusion of the call and will remain available for approximately seven days.

About Solaris Oilfield Infrastructure, Inc.

Solaris Oilfield Infrastructure, Inc. (NYSE:SOI) manufactures and rents mobile equipment that drives supply chain and execution efficiencies in the completion of oil and natural gas wells. Solaris’ patented mobile proppant systems are deployed in many of the most active oil and natural gas basins in the United States, including the Permian Basin, the Eagle Ford Shale, the STACK/SCOOP formation, the Marcellus and Utica Shales, the Haynesville Shale, the Rockies, the Bakken and the Barnett Shale. Additional information is available on our website, www.solarisoilfield.com.