TransDigm Group INC — Director's Dealing 2013

Feb 20, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2013-02-19

Reporting Person: Skulina James (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-02-19	Common Stock	M	15000	$6.68	Acquired	35000	Direct
2013-02-19	Common Stock	S	15000	$142.7839	Disposed	20000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-02-19	Stock Option	$6.68	M	15000	Disposed	2013-08-05	Common Stock (15000)	Direct

Footnotes

F1: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $142.4005 - $143.04. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.