NATIONAL WESTN LIFE INS CO

CUSIP: 638522102 Class: COMMON STOCK

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q2 2015
Shares 3,601 Value ($000) $862 Avg Close — Range —
Q1 2015
Shares 2,599 Value ($000) $661 Avg Close — Range —