** Shares of U.S. Silica Holdings Inc SLCA.N fall 4% to
$9.55 in premarket trade
** Co says its Industrial and Specialty Products business
will increase prices for most of its non-contracted silica sand,
diatomaceous earth and clay products urn:newsml:reuters.com:*:nPn7dJqlha
** "These price increases are necessary to help offset
significant cost increases in energy, transportation, materials
and manufacturing costs" - SLCA
** Says price increases will range up to 15%, depending on
the product and grade, and go into effect for shipments
beginning Sept. 1
** SLCA is up ~42% YTD, as of last close
(Reporting by Arunima Kumar in Bengaluru)
((Arunima.Kumar@thomsonreuters.com; Twitter: https://twitter.com/Aru_Kumar94))