NATIONAL INTERSTATE CORP

CUSIP: 63654U100 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q3 2016
Shares 149,294 Value ($000) $4,857 Avg Close — Range —
Q2 2016
Shares 140,200 Value ($000) $4,241 Avg Close — Range —
Q1 2016
Shares 136,100 Value ($000) $4,072 Avg Close — Range —
Q4 2015
Shares 137,851 Value ($000) $3,681 Avg Close — Range —
Q3 2015
Shares 140,051 Value ($000) $3,737 Avg Close — Range —
Q2 2015
Shares 137,351 Value ($000) $3,752 Avg Close — Range —
Q1 2015
Shares 140,200 Value ($000) $3,937 Avg Close — Range —
Q4 2014
Shares 130,000 Value ($000) $3,874 Avg Close — Range —
Q3 2014
Shares 142,700 Value ($000) $3,981 Avg Close — Range —
Q2 2014
Shares 135,950 Value ($000) $3,809 Avg Close — Range —
Q1 2014
Shares 122,500 Value ($000) $3,284 Avg Close — Range —