TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

FOX RUN MANAGEMENT, L.L.C.'s Holding History (CIK: 0001533457)

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

Q1 2020

Shares 786 Value ($000) $252 Avg Close $452.74 Range $166.28 - $559.78

Q4 2017

Shares 955 Value ($000) $262 Avg Close $201.62 Range $189.22 - $211.95

Q1 2017

Shares 2,800 Value ($000) $616 Avg Close $163.01 Range $139.17 - $177.33

Q3 2016

Shares 1,700 Value ($000) $492 Avg Close $175.41 Range $160.79 - $183.97

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	786	$252	$452.74	$166.28 - $559.78
Q4 2017	955	$262	$201.62	$189.22 - $211.95
Q1 2017	2,800	$616	$163.01	$139.17 - $177.33
Q3 2016	1,700	$492	$175.41	$160.79 - $183.97