EX-99.1 11 slca-20190331xex991.htm EXHIBIT 99.1 Exhibit


Exhibit 99.1
  
 CONSENT OF RYSTAD ENERGY.
We hereby consent to the references to our company’s name in the Quarterly Report on Form 10-Q for the Quarterly Period Ended March 31, 2019 (the “Quarterly Report”) of U.S. Silica Holdings, Inc. (the “Company”) and the quotation by the Company of our Proppant Market report - 2Q 2019, published on February 26, 2019. We also hereby consent to the filing of this letter as an exhibit to the Quarterly Report.
 
RYSTAD ENERGY

 
 
 
 
 
By:
 
/s/ Andrew Conacher
 
 
Name:
 
Andrew Conacher
 
 
Title:
 
SVP Business Development
May 1, 2019