U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

VIKING FUND MANAGEMENT LLC's Holding History (CIK: 0001169069)

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

Q2 2018
Shares 110,000 Value ($000) $2,826 Avg Close — Range —
Q1 2018
Shares 510,000 Value ($000) $13,015 Avg Close — Range —
Q4 2017
Shares 580,000 Value ($000) $18,885 Avg Close — Range —
Q3 2017
Shares 685,000 Value ($000) $21,283 Avg Close — Range —
Q2 2017
Shares 658,000 Value ($000) $23,352 Avg Close — Range —
Q1 2017
Shares 615,000 Value ($000) $29,514 Avg Close — Range —
Q4 2016
Shares 610,000 Value ($000) $34,575 Avg Close — Range —
Q3 2016
Shares 650,000 Value ($000) $30,264 Avg Close — Range —
Q2 2016
Shares 740,000 Value ($000) $25,508 Avg Close — Range —
Q1 2016
Shares 670,000 Value ($000) $15,222 Avg Close — Range —
Q4 2015
Shares 510,000 Value ($000) $9,552 Avg Close — Range —
Q3 2015
Shares 340,000 Value ($000) $4,791 Avg Close — Range —
Q2 2015
Shares 300,000 Value ($000) $8,808 Avg Close — Range —
Q1 2015
Shares 250,000 Value ($000) $8,903 Avg Close — Range —
Q4 2014
Shares 390,000 Value ($000) $10,019 Avg Close — Range —
Q3 2014
Shares 595,000 Value ($000) $37,193 Avg Close — Range —
Q2 2014
Shares 415,000 Value ($000) $23,008 Avg Close — Range —
Q1 2014
Shares 563,000 Value ($000) $21,490 Avg Close — Range —
Q4 2013
Shares 570,000 Value ($000) $19,443 Avg Close — Range —
Q3 2013
Shares 460,000 Value ($000) $11,454 Avg Close — Range —
Q2 2013
Shares 373,000 Value ($000) $7,751 Avg Close — Range —