TRANSDIGM GROUP INC

Ticker: TDG CUSIP: 893641100 Class: COM

Zweig-DiMenna Associates LLC's Holding History (CIK: 0001533950)

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

Q1 2015

Shares 1,310 Value ($000) $287 Avg Close $131.65 Range $121.43 - $141.37

Q2 2014

Shares 1,610 Value ($000) $269 Avg Close $101.01 Range $93.79 - $108.05

Q4 2013

Shares 20,450 Value ($000) $3,293 Avg Close $81.23 Range $74.58 - $88.80

Q3 2013

Shares 20,450 Value ($000) $2,836 Avg Close $76.29 Range $70.62 - $81.77

Q2 2013

Shares 138,235 Value ($000) $21,671 Avg Close $70.58 Range $67.23 - $77.43

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	1,310	$287	$131.65	$121.43 - $141.37
Q2 2014	1,610	$269	$101.01	$93.79 - $108.05
Q4 2013	20,450	$3,293	$81.23	$74.58 - $88.80
Q3 2013	20,450	$2,836	$76.29	$70.62 - $81.77
Q2 2013	138,235	$21,671	$70.58	$67.23 - $77.43