FREDERICK, Md., Sept. 10, 2014 /PRNewswire/ -- U.S. Silica Holdings, Inc. (NYSE: SLCA) announced today that it is increasing its guidance for full year, 2014 Adjusted EBITDA from a range of $215 million to $225 million to a range of $230 million to $240 million, based on the strength of the markets for both of its operating segments. Additionally, the Company is reiterating its full year 2014 guidance for capital expenditures in the range of $95 million to $105 million and an effective tax rate of approximately 27 percent. The Company is planning to report its third quarter, 2014 financial results on Wednesday, Oct. 29, 2014 after the close of the market.

About U.S. Silica

U.S. Silica Holdings, Inc., a member of the Russell 2000, is one of the largest domestic producers of commercial silica, a specialized mineral that is a critical input into the oil and gas proppants end market. The company also processes ground and unground silica sand for a variety of industrial and specialty products end markets such as glass, fiberglass, foundry molds, municipal filtration and recreational uses. During its 100-plus year history, U.S. Silica Holdings, Inc. has developed core competencies in mining, processing, logistics and materials science that enable it to produce and cost-effectively deliver over 250 products to customers across these end markets. U.S. Silica Holdings, Inc. is headquartered in Frederick, Md.

Media Inquiries: Alison Holder
Manager of Corporate Communications
301-682-0326
holder@ussilica.com

U.S. Silica Holdings, Inc.
Michael Lawson
Director of Investor Relations and Corporate Communications
(301) 682-0304
lawsonm@ussilica.com

SOURCE U.S. Silica Holdings, Inc.