CARBO CERAMICS INC

CUSIP: 140781105 Class: COMMON STOCK

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

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

Q1 2018
Shares 96 Value ($000) $1 Avg Close — Range —
Q4 2017
Shares 3,528 Value ($000) $36 Avg Close — Range —
Q2 2015
Shares 29 Value ($000) $1 Avg Close — Range —
Q1 2015
Shares 1,745 Value ($000) $53 Avg Close — Range —
Q4 2014
Shares 3,458 Value ($000) $138 Avg Close — Range —
Q3 2014
Shares 1,224 Value ($000) $72 Avg Close — Range —
Q2 2014
Shares 1,792 Value ($000) $276 Avg Close — Range —
Q4 2013
Shares 1,240 Value ($000) $144 Avg Close — Range —
Q3 2013
Shares 1,001 Value ($000) $99 Avg Close — Range —
Q2 2013
Shares 39,419 Value ($000) $2,658 Avg Close — Range —