HSBC USA Inc.

452 Fifth Avenue

New York, NY 10018

February 21, 2017

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Re: Notice of disclosure filed in Securities 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 HSBC USA Inc. has made disclosure pursuant to those provisions in its Annual Report on Form 10-K for the year ended December 31, 2016, which was filed with the U.S. Securities and Exchange Commission on February 21, 2017. The disclosure is included in the Annual Report on Form 10-K in Item 9B under the heading “Other Information.”

Respectfully submitted,

/s/ MARK A. ZAESKE

Mark A. Zaeske

Senior Executive Vice President and

Chief Financial Officer

HSBC USA Inc.