UNITED STS LIME & MINERALS I

Ticker: USLM CUSIP: 911922102 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2017

Shares 336 Value ($000) $26 Avg Close $17.24 Range $14.39 - $20.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	336	$26	$17.24	$14.39 - $20.28