UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934

(Amendment No.    )

Filed by the Registrant    x Filed by a Party other than the Registrant    o

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o	Preliminary Proxy Statement
o	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
o	Definitive Proxy Statement
x	Definitive Additional Materials
o	Soliciting Material under §240.14a-12

United Technologies Corporation

(Name of Registrant as Specified in Its Charter)

(Name of Person(s) Filing Proxy Statement if other than the Registrant)

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*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the
Annual Meeting of Shareowners to be held on April 24, 2017.

UNITED TECHNOLOGIES CORPORATION

UNITED TECHNOLOGIES CORPORATION
10 FARM SPRINGS ROAD
FARMINGTON, CT 06032

Meeting Information
Meeting Type:	Annual Meeting
For Shareowners as of:	February 28, 2017
Date: April 24, 2017	Time: 8:00 a.m. EDT

Location:	UTC Aerospace Systems
	Four Coliseum Centre
	2730 West Tyvola Road
	Charlotte, North Carolina 28217
You are receiving this communication because you hold shares in the company named above.
This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side).
We encourage you to access and review all of the important information contained in the proxy materials before voting.
See the reverse side of this notice to obtain proxy materials and voting instructions.

Before You Vote

   How to Access the Proxy Materials

Proxy Materials Available to VIEW or RECEIVE:
PROXY STATEMENT NOTICE AND ANNUAL REPORT
How to View Online:
Have the information that is printed in the box marked by the arrow  (located on the following page) and visit: www.proxyvote.com.
How to Request and Receive a PAPER or E-MAIL Copy:
If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:
	1)	BY INTERNET:	www.proxyvote.com
	2)	BY TELEPHONE:	1-800-579-1639
	3)	BY E-MAIL*:	sendmaterial@proxyvote.com
* If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow  (located on the following page) in the subject line.
Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before April 10, 2017 to facilitate timely delivery.

How To Vote

Please Choose One of the Following Voting Methods

Vote By Internet: Go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow  (located on the following page) available and follow the instructions.

Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

Vote In Person: Many Shareowner meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.

Voting Items
THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR EACH OF THE FOLLOWING NOMINEES, FOR PROPOSALS 2 AND 3, AND 1 YEAR FOR PROPOSAL 4.
1.	Election of Directors		2.	Appointment of PricewaterhouseCoopers LLP to serve as Independent Auditor for 2017.
	1a.	Lloyd J. Austin III
			3.	Advisory vote to approve Named Executive Officer compensation.
	1b.	Diane M. Bryant
	1c.	John V. Faraci	4.	Advisory vote on the frequency of shareowner votes on Named Executive Officer compensation.
	1d.	Jean-Pierre Garnier
	1e.	Gregory J. Hayes
	1f.	Edward A. Kangas
	1g.	Ellen J. Kullman
	1h.	Marshall O. Larsen
	1i.	Harold McGraw III
	1j.	Fredric G. Reynolds
	1k.	Brian C. Rogers
	1l.	Christine Todd Whitman

Dear UBS Account Holder,

The communication below is being provided to you at the request of United Technologies Corporation (“UTC”). Please be advised that the information and recommendations provided in the communication are from UTC alone, and UBS Financial Services Inc. (“UBS”) expressly disclaims any and all responsibility and/or liability for the information and recommendations provided. UBS makes no representation concerning the accuracy or completeness of the information provided and takes no position with respect to the advisability of the recommendations made. Any questions or concerns should be addressed to UTC management.

United Technologies Corporation

Annual Meeting of Shareowners

April 24, 2017 at 8:00 a.m. EDT

Dear Fellow Shareowner,

The 2017 Annual Meeting of UTC Shareowners will be held on April 24, 2017.

YOUR VOTE IS VERY IMPORTANT. IF YOU HAVE NOT ALREADY DONE SO, WE URGE YOU TO SUBMIT VOTING INSTRUCTIONS FOR YOUR SHARES OF UTC COMMON STOCK HELD THROUGH UBS AS SOON AS POSSIBLE.

The Board of Directors recommends that you vote FOR the election of each of the nominees for director, FOR Proposals 2 and 3, and 1 YEAR for Proposal 4.

[CONTROL NUMBER: 0123456789012345]

You can enter your voting instructions and view the shareowner material at the following Internet site. If your browser supports secure transactions you will be automatically directed to a secure site.

[https://www.proxyvote.com/00123456789012345]

FURTHER INFORMATION CONCERNING THE FOLLOWING PROPOSALS IS INCLUDED IN UTC’S 2017 PROXY STATEMENT:

Proposal 1 - Election of Directors, Nominees:

01 Lloyd J. Austin III

02 Diane M. Bryant

03 John V. Faraci

04 Jean-Pierre Garnier

05 Gregory J. Hayes

06 Edward A. Kangas

07 Ellen J. Kullman

08 Marshall O. Larsen

09 Harold McGraw III

10 Fredric G. Reynolds

11 Brian C. Rogers

12 Christine Todd Whitman

Proposal 2 - Appointment of PricewaterhouseCoopers LLP to serve as Independent Auditor for 2017.

Proposal 3 - Advisory vote to approve Named Executive Officer compensation.

Proposal 4 – Advisory vote on the frequency of shareowner votes on Named Executive Officer compensation.

We urge you to carefully review the additional information concerning these proposals that is provided in the Proxy Statement.

This reminder to vote has been sent in connection with your shares of UTC Common Stock held through UBS. If you also hold shares of UTC Common Stock through another account, you should receive a separate communication from the firm administering those holdings that explains how to vote those shares. For shares held through a bank or through another broker, shares registered directly in your name or shares held through the UTC Savings Plan, you should receive communications from Broadridge Financial Solutions, Inc.

UTC is an exceptional company and I’m confident our global scale, industry leading franchises and world-class technologies position us to deliver long term shareowner value. Of course, UTC’s performance relies on our incredibly talented and dedicated global workforce, and I would like to thank you for your contributions to UTC’s success.

Gregory J. Hayes

Chairman & CEO

This message has been forwarded to you by Broadridge Financial Services, Inc., on behalf of UBS and at the request of UTC, in connection with your holdings of UTC Common Stock through your account with UBS.

The UTC Annual Report for 2016 and the Notice of 2017 Annual Meeting of Shareowners and Proxy Statement are available at the following link: https://www.proxyvote.com/00123456789012345

Broadridge will receive and tabulate voting instructions and act as independent Inspectors of Election. VOTING IS CONFIDENTIAL, AS DESCRIBED IN UTC’S

PROXY STATEMENT. TO SUBMIT YOUR VOTING INSTRUCTIONS FOR SHARES OF UTC COMMON STOCK HELD THROUGH YOUR UBS ACCOUNT, PLEASE VISIT THE SECURE AND CONFIDENTIAL ONLINE VOTING SITE AT HTTPS://WWW.PROXYVOTE.COM AND FOLLOW THE ON-SCREEN INSTRUCTIONS. YOU WILL NEED YOUR CONFIDENTIAL VOTING CONTROL NUMBER PROVIDED ABOVE TO SUBMIT YOUR VOTING INSTRUCTIONS FOR YOUR SHARES OF UTC COMMON STOCK HELD THROUGH YOUR UBS.

USING YOUR VOTING CONTROL NUMBER PROVIDED ABOVE, YOU CAN ALSO SUBMIT YOUR CONFIDENTIAL VOTING INSTRUCTIONS BY TELEPHONE BY CALLING 1-800-474-7485.

Please visit our website at http://financialservicesinc.ubs.com/wealth/E-maildisclaimer.html for important disclosures and information about our e-mail policies. For your protection, please do not transmit orders or instructions by e-mail or include account numbers, Social Security numbers, credit card numbers, passwords, or other personal information.

This message and any attachments are intended only for the use of the addressee and may contain information that is privileged and confidential. If the reader of the message is not the intended recipient or an authorized representative of the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail and delete the message and any attachments from your system.