CARBO CERAMICS INC

CUSIP: 140781105 Class: COMMON STOCK

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q2 2014
Shares 9,862 Value ($000) $1,520 Avg Close — Range —
Q1 2014
Shares 12,049 Value ($000) $1,663 Avg Close — Range —
Q4 2013
Shares 12,060 Value ($000) $1,405 Avg Close — Range —
Q3 2013
Shares 14,593 Value ($000) $1,446 Avg Close — Range —
Q2 2013
Shares 14,574 Value ($000) $983 Avg Close — Range —