ROCK-TENN CO

CUSIP: 772739207 Class: COM

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q2 2014
Shares 66,517 Value ($000) $7,024 Avg Close — Range —
Q1 2014
Shares 53,993 Value ($000) $5,700 Avg Close — Range —
Q4 2013
Shares 21,492 Value ($000) $2,257 Avg Close — Range —
Q3 2013
Shares 2,111 Value ($000) $214 Avg Close — Range —
Q2 2013
Shares 10,365 Value ($000) $1,035 Avg Close — Range —