NATIONAL INTERSTATE CORP

CUSIP: 63654U100 Class: COM

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q4 2014
Shares 110,400 Value ($000) $3,290 Avg Close — Range —
Q3 2014
Shares 110,400 Value ($000) $3,080 Avg Close — Range —
Q2 2014
Shares 110,400 Value ($000) $3,088 Avg Close — Range —
Q1 2014
Shares 110,400 Value ($000) $2,960 Avg Close — Range —
Q4 2013
Shares 139,000 Value ($000) $3,197 Avg Close — Range —