U.S. Silica Holdings, Inc. Announces Pricing of Its Initial Public Offering

FREDERICK, Md.--(BUSINESS WIRE)--Jan. 31, 2012-- U.S. Silica Holdings, Inc. (NYSE: SLCA) today announced the pricing of its initial public offering of 11,764,705 shares of common stock at a price of $17.00 per share. The shares will be listed on the New York Stock Exchange and will trade under the symbol "SLCA" beginning on February 1, 2012. U.S. Silica Holdings, Inc. is offering 2,941,176 shares of common stock and selling stockholders are offering 8,823,529 shares of common stock. The underwriters have an option to purchase up to an additional 1,764,706 shares from one of the selling stockholders.

U.S. Silica Holdings, Inc. expects to receive net proceeds of approximately $42.5 million from the offering and intends to use approximately $34.5 million to fund future capital expenditures for its business, including the construction of its new resin-coating facility and to pay other transaction-related fees and expenses.

Morgan Stanley & Co. LLC, BofA Merrill Lynch and Jefferies & Company, Inc. are acting as joint book-running managers for the offering. Simmons & Company International, Dahlman Rose & Company, LLC, BB&T Capital Markets, a division of Scott & Stringfellow, LLC, BNP Paribas Securities Corp., Lazard Capital Markets LLC and Moelis & Company LLC are acting as co-managers for the offering. The offering is being made by means of a prospectus, copies of which may be obtained by sending a request to one of the following: Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, New York 10014, Telephone: 866-718-1649, Email: prospectus@morganstanley.com; BofA Merrill Lynch, Attention: Prospectus Department, 4 World Financial Center, New York, New York 10080, Email: dg.prospectus_requests@baml.com; and Jefferies & Company, Inc., Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, 12th Floor, New York, New York 10022, Telephone: 877-547-6340, Email: prospectus_department@jefferies.com.

A registration statement relating to shares of the common stock of U.S. Silica Holdings, Inc. has been declared effective by the Securities and Exchange Commission. This press release shall not constitute an offer to sell or the solicitation of any offer to buy nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

About U.S. Silica Holdings, Inc.

U.S. Silica Holdings, Inc., a Delaware corporation, is the second largest domestic producer of commercial silica, a specialized mineral that is a critical input into the oil and gas proppants end market and a variety of attractive industrial and specialty products end markets. During its 111-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 200 products to customers across these end markets. U.S. Silica Holdings, Inc. is headquartered in Frederick, Maryland.

Forward-Looking Statements

This press release includes "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. These statements include but are not limited to our plans, objectives, expectations and intentions and other statements that contain words such as "expects," "contemplates," "anticipates," "plans," "intends," "believes" and variations of such words or similar expressions that predict or indicate future events, or that do not relate to historical matters. These statements are based on our current beliefs or expectations and are inherently subject to significant uncertainties and changes in circumstances, many of which are beyond our control. There can be no assurance that our beliefs or expectations will be achieved. Actual results may differ materially from our beliefs or expectations due to economic, business, competitive, market and regulatory factors.

Source: U.S. Silica Holdings, Inc.

U.S. Silica Holdings, Inc.
855-SILICA-7 (855-745-4227)
IR@ussilica.com