CARBO CERAMICS INC

CUSIP: 140781105 Class: COMMON STOCK

AMG National Trust Bank's Holding History (CIK: 0001388829)

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

Q2 2014
Shares 3,196 Value ($000) $493 Avg Close — Range —
Q1 2014
Shares 5,425 Value ($000) $749 Avg Close — Range —
Q4 2013
Shares 5,524 Value ($000) $644 Avg Close — Range —
Q3 2013
Shares 5,401 Value ($000) $535 Avg Close — Range —
Q2 2013
Shares 5,471 Value ($000) $369 Avg Close — Range —