COMPASS MINERALS INTL INC

Ticker: CMP CUSIP: 20451N101 Class: Common Stock

Caprock Group, LLC's Holding History (CIK: 0001610769)

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

Q4 2017

Shares 4,600 Value ($000) $347 Avg Close $53.16 Range $50.45 - $58.03

Q3 2017

Shares 6,115 Value ($000) $397 Avg Close $52.24 Range $47.01 - $55.89

Q2 2017

Shares 6,115 Value ($000) $399 Avg Close $51.48 Range $48.29 - $53.91

Q1 2017

Shares 6,290 Value ($000) $427 Avg Close $58.33 Range $50.29 - $64.38

Q4 2016

Shares 4,015 Value ($000) $315 Avg Close $57.67 Range $53.18 - $62.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	4,600	$347	$53.16	$50.45 - $58.03
Q3 2017	6,115	$397	$52.24	$47.01 - $55.89
Q2 2017	6,115	$399	$51.48	$48.29 - $53.91
Q1 2017	6,290	$427	$58.33	$50.29 - $64.38
Q4 2016	4,015	$315	$57.67	$53.18 - $62.97