TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

CSS LLC/IL's Holding History (CIK: 0001103646)

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

Q4 2014

Shares 1,330 Value ($000) $261 Avg Close $117.83 Range $104.12 - $125.64

Q3 2014

Shares 2,330 Value ($000) $429 Avg Close $111.57 Range $102.95 - $120.15

Q2 2014

Shares 2,330 Value ($000) $390 Avg Close $101.01 Range $93.79 - $108.05

Q1 2014

Shares 2,330 Value ($000) $432 Avg Close $95.29 Range $86.57 - $102.25

Q4 2013

Shares 2,330 Value ($000) $375 Avg Close $81.23 Range $74.58 - $88.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	1,330	$261	$117.83	$104.12 - $125.64
Q3 2014	2,330	$429	$111.57	$102.95 - $120.15
Q2 2014	2,330	$390	$101.01	$93.79 - $108.05
Q1 2014	2,330	$432	$95.29	$86.57 - $102.25
Q4 2013	2,330	$375	$81.23	$74.58 - $88.80