CARBO CERAMICS INC

CUSIP: 140781105 Class: COMMON STOCK

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q2 2015
Shares 6,850 Value ($000) $285 Avg Close — Range —
Q1 2015
Shares 11,850 Value ($000) $362 Avg Close — Range —
Q4 2014
Shares 18,950 Value ($000) $759 Avg Close — Range —
Q3 2014
Shares 20,750 Value ($000) $1,229 Avg Close — Range —
Q2 2014
Shares 19,750 Value ($000) $3,044 Avg Close — Range —
Q1 2014
Shares 19,750 Value ($000) $2,725 Avg Close — Range —
Q4 2013
Shares 19,750 Value ($000) $2,301 Avg Close — Range —
Q3 2013
Shares 19,950 Value ($000) $1,977 Avg Close — Range —
Q2 2013
Shares 19,950 Value ($000) $1,345 Avg Close — Range —