TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q1 2020

Shares 1,200 Value ($000) $384 Avg Close $452.74 Range $166.28 - $559.78

Q4 2019

Shares 1,501 Value ($000) $841 Avg Close $431.37 Range $390.88 - $473.78

Q3 2015

Shares 5,600 Value ($000) $1,189 Avg Close $143.01 Range $130.21 - $153.05

Q1 2015

Shares 20,071 Value ($000) $4,390 Avg Close $131.65 Range $121.43 - $141.37

Q4 2013

Shares 1,372 Value ($000) $221 Avg Close $81.23 Range $74.58 - $88.80

Q3 2013

Shares 25,633 Value ($000) $3,555 Avg Close $76.29 Range $70.62 - $81.77

Q2 2013

Shares 31,424 Value ($000) $4,926 Avg Close $70.58 Range $67.23 - $77.43

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	1,200	$384	$452.74	$166.28 - $559.78
Q4 2019	1,501	$841	$431.37	$390.88 - $473.78
Q3 2015	5,600	$1,189	$143.01	$130.21 - $153.05
Q1 2015	20,071	$4,390	$131.65	$121.43 - $141.37
Q4 2013	1,372	$221	$81.23	$74.58 - $88.80
Q3 2013	25,633	$3,555	$76.29	$70.62 - $81.77
Q2 2013	31,424	$4,926	$70.58	$67.23 - $77.43