TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

Permian Investment Partners, LP's Holding History (CIK: 0001472850)

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

Q3 2016

Shares 65,590 Value ($000) $18,963 Avg Close $175.41 Range $160.79 - $183.97

Q2 2016

Shares 144,179 Value ($000) $38,019 Avg Close $152.60 Range $135.64 - $167.49

Q4 2014

Shares 31,680 Value ($000) $6,220 Avg Close $117.83 Range $104.12 - $125.64

Q3 2014

Shares 28,000 Value ($000) $5,161 Avg Close $111.57 Range $102.95 - $120.15

Q1 2014

Shares 183,400 Value ($000) $33,965 Avg Close $95.29 Range $86.57 - $102.25

Q4 2013

Shares 170,477 Value ($000) $27,450 Avg Close $81.23 Range $74.58 - $88.80

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	65,590	$18,963	$175.41	$160.79 - $183.97
Q2 2016	144,179	$38,019	$152.60	$135.64 - $167.49
Q4 2014	31,680	$6,220	$117.83	$104.12 - $125.64
Q3 2014	28,000	$5,161	$111.57	$102.95 - $120.15
Q1 2014	183,400	$33,965	$95.29	$86.57 - $102.25
Q4 2013	170,477	$27,450	$81.23	$74.58 - $88.80