U.S. Silica Announces New Board Member, Daniel Avramovich

          U.S. Silica Announces New Board Member, Daniel Avramovich

PR Newswire

FREDERICK, Md., March 20, 2014

FREDERICK,Md., March 20, 2014 /PRNewswire/ --U.S. Silica Holdings, Inc.
(NYSE: SLCA) announced todaythat DanielAvramovichhas been appointed to the
company's Board of Directors,increasingthe board's size to 6
members.Mr.Avramovichwill also serve as amember of theauditcommittee.

U.S. Silica Announces New Board Member, Daniel Avramovich

Mr.Avramovichbrings more than 35 years of senior leadership and extensive
experience from all facets of transportation and logistics industry companies
including, Deutsche Post DHL/Exel, Union Pacific, Kansas City Southern
andLandstarSystems.Mr.Avramovich currently serves aschairman and chief
executive officer of Pacer International with executive responsibility for all
Pacer International business units. Dan joined Pacer International as the
retail intermodal services president in June 2008, where he was responsible
for all commercial and operating activities of Pacer's retail door-to-door
intermodal service offering.Heis a member of the business advisory group for
Northwestern University and belongs to numerous industry related
organizations. Mr. Avramovich graduated with a Bachelor of Science in business
administration from Akron University and a Master of Science in accounting
from Kent State University.

Bryan Shinn, U.S. Silica president and chief executive officer
said,"Danbringsextensive experience in the transportation and logistics
industryincludingstrongrelationships with key service
providers,significant senior leadership insales and marketing, industry and
technical experience, and a global perspective.We are extremely pleased that
Dan is joining our board."

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.

U.S. Silica Holdings, Inc. Contacts

Media Inquiries:
Alison Holder
Manager of Corporate Communications

Investor Relations Inquiries:
Michael Lawson
Director of Investor Relations and Corporate Communications

Photo - http://photos.prnewswire.com/prnh/20140320/PH83852

SOURCE U.S. Silica Holdings, Inc.
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