Exhibit 99.1

TransDigm Acquires Electromechanical Actuation Division from GE Aviation

CLEVELAND, July 1, 2013 /PRNewswire via COMTEX/—TransDigm Group Incorporated (NYSE: TDG) announced today that it acquired the assets of GE Aviation’s Electromechanical Actuation Division for approximately $150 million in cash on June 28, 2013.

The business, which will be conducted by TransDigm through a new entity, Whippany Actuation Systems, LLC (Whippany), located in Whippany, New Jersey, manufactures proprietary, highly engineered aerospace electromechanical motion control subsystems for civil and military applications. Product offerings include control electronics, motors, high power mechanical transmissions and actuators. Whippany’s revenues are estimated to be approximately $80 million.

About TransDigm Group

TransDigm Group, through its wholly-owned subsidiaries, is a leading global designer, producer and supplier of highly engineered aircraft components for use on nearly all commercial and military aircraft in service today. Major product offerings, substantially all of which are ultimately provided to end-users in the aerospace industry, include mechanical/electro-mechanical actuators and controls, ignition systems and engine technology, specialized pumps and valves, power conditioning devices, specialized AC/DC electric motors and generators, NiCad batteries and chargers, engineered latching and locking devices, rods and locking devices, engineered connectors and elastomers, cockpit security components and systems, specialized cockpit displays, aircraft audio systems, specialized lavatory components, seatbelts and safety restraints, engineered interior surfaces and lighting and control technology.

Forward-Looking Statements

Statements in this press release that are not historical facts are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995.Words such as “believe,” “may,” “will,” “should,” “expect,” “intend,” “plan,” “predict,” “anticipate,” “estimate,” or “continue” and other words and terms of similar meaning may identify forward-looking statements.

All forward-looking statements involve risks and uncertainties which could affect TransDigm Group’s actual results and could cause its actual results to differ materially from those expressed or implied in any forward-looking statements made by, or on behalf of, TransDigm Group. These risks and uncertainties include but are not limited to failure to complete or successfully integrate the acquisition; that the acquired business does not perform in accordance with our expectations; and other factors. Further information regarding important factors that could cause actual results to differ materially from projected results can be found in TransDigm Group’s Annual Report on Form 10-K and other reports that TransDigm Group or its subsidiaries have filed with the Securities and Exchange Commission. Except as required by law, TransDigm Group undertakes no obligation to revise or update the forward-looking statements contained in this press release.

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