PRAXAIR INC

CUSIP: 74005P104 Class: COMMON STOCK

Asset Management Advisors, LLC's Holding History (CIK: 0001596355)

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

Q1 2017
Shares 31,618 Value ($000) $3,750 Avg Close — Range —
Q4 2016
Shares 30,838 Value ($000) $3,614 Avg Close — Range —
Q3 2016
Shares 31,610 Value ($000) $3,819 Avg Close — Range —
Q2 2016
Shares 31,265 Value ($000) $3,514 Avg Close — Range —
Q1 2016
Shares 37,105 Value ($000) $4,247 Avg Close — Range —
Q4 2015
Shares 54,730 Value ($000) $5,604 Avg Close — Range —
Q3 2015
Shares 58,125 Value ($000) $5,921 Avg Close — Range —
Q2 2015
Shares 42,555 Value ($000) $5,087 Avg Close — Range —
Q1 2015
Shares 44,950 Value ($000) $5,427 Avg Close — Range —
Q4 2014
Shares 42,820 Value ($000) $5,548 Avg Close — Range —
Q4 2013
Shares 1,980 Value ($000) $257 Avg Close — Range —