U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

WASATCH ADVISORS LP's Holding History (CIK: 0000814133)

Note: Option positions (PUT/CALL) are excluded.

Q2 2014
Shares 20,259 Value ($000) $1,123 Avg Close — Range —
Q1 2014
Shares 65,013 Value ($000) $2,482 Avg Close — Range —
Q4 2013
Shares 27,842 Value ($000) $950 Avg Close — Range —