TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

TWIN CAPITAL MANAGEMENT INC's Holding History (CIK: 0001059187)

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

Q1 2017

Shares 4,228 Value ($000) $931 Avg Close $163.01 Range $139.17 - $177.33

Q4 2016

Shares 2,705 Value ($000) $673 Avg Close $176.01 Range $160.64 - $189.46

Q3 2016

Shares 2,825 Value ($000) $817 Avg Close $175.41 Range $160.79 - $183.97

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	4,228	$931	$163.01	$139.17 - $177.33
Q4 2016	2,705	$673	$176.01	$160.64 - $189.46
Q3 2016	2,825	$817	$175.41	$160.79 - $183.97