Attached files
Exhibit 99.1
[Freedonia Letterhead]
CONSENT OF THE FREEDONIA GROUP, INC.
We hereby consent to the references to our companys name in the 2011 Annual Report on Form 10-K of U.S. Silica Holdings, Inc. (the Company) and the quotation by the Company in the 2011 Annual Report on Form 10-K from Table IV-4 from our report World Well Stimulation Materials, April 2011. We also hereby consent to the filing of this letter as an exhibit to the 2011 Annual Report on Form 10-K.
THE FREEDONIA GROUP, INC. | ||
By: | /s/ CORINNE GANGLOFF | |
Name: Title: |
March 20, 2012