NATIONAL INTERSTATE CORP

CUSIP: 63654U100 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q3 2016
Shares 1,227,376 Value ($000) $39,927 Avg Close — Range —
Q2 2016
Shares 1,309,306 Value ($000) $39,607 Avg Close — Range —
Q1 2016
Shares 1,333,960 Value ($000) $39,912 Avg Close — Range —
Q4 2015
Shares 1,437,641 Value ($000) $38,385 Avg Close — Range —
Q3 2015
Shares 1,481,930 Value ($000) $39,538 Avg Close — Range —
Q2 2015
Shares 1,545,580 Value ($000) $42,225 Avg Close — Range —
Q1 2015
Shares 1,548,180 Value ($000) $43,473 Avg Close — Range —
Q4 2014
Shares 1,552,180 Value ($000) $46,255 Avg Close — Range —
Q3 2014
Shares 1,565,980 Value ($000) $43,691 Avg Close — Range —
Q2 2014
Shares 1,569,160 Value ($000) $43,968 Avg Close — Range —
Q1 2014
Shares 1,573,160 Value ($000) $42,176 Avg Close — Range —
Q4 2013
Shares 1,971,530 Value ($000) $45,345 Avg Close — Range —
Q3 2013
Shares 1,968,230 Value ($000) $54,736 Avg Close — Range —
Q2 2013
Shares 1,969,330 Value ($000) $57,603 Avg Close — Range —