NATIONAL WESTN LIFE INS CO

CUSIP: 638522102 Class: COMMON STOCK

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q3 2015
Shares 4,291 Value ($000) $956 Avg Close — Range —
Q2 2015
Shares 4,749 Value ($000) $1,137 Avg Close — Range —
Q1 2015
Shares 5,420 Value ($000) $1,378 Avg Close — Range —
Q4 2014
Shares 5,122 Value ($000) $1,379 Avg Close — Range —
Q3 2014
Shares 5,063 Value ($000) $1,251 Avg Close — Range —
Q2 2014
Shares 5,189 Value ($000) $1,294 Avg Close — Range —
Q1 2014
Shares 2,857 Value ($000) $699 Avg Close — Range —
Q4 2013
Shares 899 Value ($000) $201 Avg Close — Range —