U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

WEXFORD CAPITAL LP's Holding History (CIK: 0001048462)

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

Q4 2017
Shares 28,931 Value ($000) $942 Avg Close — Range —
Q3 2017
Shares 70,000 Value ($000) $2,175 Avg Close — Range —