CARBO CERAMICS INC

CUSIP: 140781105 Class: COMMON STOCK

Texas Yale Capital Corp.'s Holding History (CIK: 0001332342)

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

Q3 2015
Shares 22,500 Value ($000) $427 Avg Close — Range —
Q2 2015
Shares 22,500 Value ($000) $937 Avg Close — Range —
Q1 2015
Shares 22,500 Value ($000) $686 Avg Close — Range —
Q4 2014
Shares 10,000 Value ($000) $401 Avg Close — Range —