U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

Ruffer LLP's Holding History (CIK: 0001426859)

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

Q2 2014
Shares 35,000 Value ($000) $1,931 Avg Close — Range —
Q1 2014
Shares 60,000 Value ($000) $2,291 Avg Close — Range —
Q4 2013
Shares 60,000 Value ($000) $2,046 Avg Close — Range —