FREDERICK, Md., March 23, 2015 /PRNewswire/ -- U.S. Silica Holdings, Inc. (NYSE: SLCA) today announced that Don Merril, vice president and chief financial officer, will present at the 43rd Annual Scotia Howard Weil Energy Conference in New Orleans on March 23, 2015 at 3:20 PM CDT.

Executives of U.S. Silica will also meet with investors on March 25, 2015 at the BB&T Capital Markets 9th Annual Commercial and Industrial Conference, at the Biltmore Hotel in Coral Gables, Florida.

A copy of the investor presentations will be available on U.S. Silica's website at www.ussilica.com in the Investor Resources section.

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 260 products to customers across these end markets. U.S. Silica Holdings, Inc. is headquartered in Frederick, Md.

U.S. Silica Holdings, Inc.

Investor Relations Inquiries:
Michael Lawson
Director of Investor Relations and Corporate Communications
301-682-0304
lawsonm@ussilica.com

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

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SOURCE U.S. Silica Holdings, Inc.