TransDigm is required to complete IRS Form 8937 for each distribution that affects shareholder basis and post it on the Investor Relations portion of our website within 45 days of the dividend payment date. This form will provide details on the expected changes in the tax basis of the shares. The determination of the tax treatment of annual distribution (dividend vs. return of capital) is reported to shareholders on Form 1099-DIV.

TransDigm does not provide tax, accounting or legal advice. Please consult your personal advisors for further clarification and application of this information to your particular tax circumstances.

For Distribution Paid on September 12, 2017

Posted 10/18/2017

Preliminary IRS Form 8937

For Distribution Paid on November 1, 2016

Posted 11/28/2016

Preliminary IRS Form 8937

For Distribution Paid on June 26, 2014

Posted 06/18/2015

Final IRS Form 8937

For Distribution paid on July 25,2013

Posted 07/01/2014

Final IRS Form 8937