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UNITED TECHNOLOGIES CORPORATION
10 Farm Springs Road
Farmington, CT 06032-2568


July 26, 2019

U.S. Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549

Re:
Notice of Disclosure Filed in Exchange Act Annual Report Under Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Exchange Act

Ladies and Gentlemen:
Pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Securities Exchange Act of 1934, as amended, notice is hereby provided that United Technologies Corporation has made a disclosure pursuant to such provisions in its Quarterly Report on Form 10-Q for the quarter ended June 30, 2019, which was filed with the U.S. Securities and Exchange Commission on July 26, 2019.
 
Respectfully submitted,

UNITED TECHNOLOGIES CORPORATION


By:
/s/ Ariel David
 
 
Ariel David
Vice President, Associate General Counsel and
Assistant Secretary