NATIONAL WESTN LIFE INS CO

CUSIP: 638522102 Class: COMMON STOCK

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q2 2015
Shares 3,601 Value ($000) $863 Avg Close — Range —
Q1 2015
Shares 2,901 Value ($000) $738 Avg Close — Range —
Q4 2014
Shares 3,126 Value ($000) $842 Avg Close — Range —
Q3 2014
Shares 3,526 Value ($000) $871 Avg Close — Range —
Q2 2014
Shares 3,526 Value ($000) $880 Avg Close — Range —
Q1 2014
Shares 3,552 Value ($000) $869 Avg Close — Range —
Q4 2013
Shares 2,450 Value ($000) $548 Avg Close — Range —
Q3 2013
Shares 2,050 Value ($000) $414 Avg Close — Range —
Q2 2013
Shares 1,500 Value ($000) $285 Avg Close — Range —