U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.'s Holding History (CIK: 0001021642)

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

Q4 2017
Shares 475,875 Value ($000) $15,495 Avg Close — Range —
Q3 2017
Shares 465,525 Value ($000) $14,465 Avg Close — Range —
Q2 2017
Shares 647,425 Value ($000) $22,977 Avg Close — Range —