U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

Parkwood LLC's Holding History (CIK: 0001597823)

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

Q4 2017
Shares 23,977 Value ($000) $781 Avg Close — Range —
Q3 2017
Shares 22,801 Value ($000) $708 Avg Close — Range —
Q2 2017
Shares 22,194 Value ($000) $788 Avg Close — Range —
Q1 2017
Shares 13,858 Value ($000) $665 Avg Close — Range —
Q4 2016
Shares 18,463 Value ($000) $1,371 Avg Close — Range —
Q3 2016
Shares 21,740 Value ($000) $1,222 Avg Close — Range —
Q2 2016
Shares 38,931 Value ($000) $1,610 Avg Close — Range —
Q3 2015
Shares 20,000 Value ($000) $339 Avg Close — Range —
Q4 2014
Shares 17,496 Value ($000) $449 Avg Close — Range —