U.S. Silica (SLCA) 8-K Departure of Directors or Certain Officers

Exhibit 3.1

STATE OF DELAWARE

CERTIFICATE OF CHANGE OF REGISTERED AGENT

AND/OR REGISTERED OFFICE

The corporation organized and existing under the General Corporation Law of the State of Delaware, hereby certifies as follows:

1. The name of the corporation isU.S. SILICA HOLDINGS, INC.

2. The Registered Office of the corporation in the State of Delaware is changed toCorporation Trust Center 1209 Orange(street), in the City ofWilmington, County ofNew CastleZip Code 19801. The name of the Registered Agent at such address upon whom process against this Corporation may be served isTHE CORPORATION TRUST COMPANY.

3. The foregoing change to the registered office/agent was adopted by a resolution of the Board of Directors of the corporation.

By:	/s/ Sean J. Klein
	Authorized Officer
Name:	Sean J. Klein, Asst. Secretary
	Print or Type