Filed Pursuant to Rule 424(b)(3)
Registration Statement No. 333-178960
333-178960-05
| PROSPECTUS SUPPLEMENT (to Prospectus dated January 11, 2012) |
UBS Americas Inc.
Debt Securities
Fully and Unconditionally Guaranteed by UBS AG
UBS Americas Inc.
Medium-Term Senior Notes, Series C
Fully and Unconditionally Guaranteed by UBS AG
A prospectus dated March 29, 2001 was prepared relating to the securities listed in Annex A hereto and was delivered in connection with offers and sales of the securities.
We prepared a new “base” prospectus dated January 11, 2012. This base prospectus incorporates the description of your securities from the original prospectus dated March 29, 2001. However, since the terms of your securities have remained the same, we are continuing to use the original prospectus dated March 29, 2001.
As a result, you should read the original prospectus dated March 29, 2001 for your securities together with the base prospectus dated January 11, 2012.
UBS AG, UBS Securities LLC, UBS Financial Services Inc. and other affiliates of UBS AG may use this prospectus supplement, together with the original prospectus dated March 29, 2001 and the base prospectus dated January 11, 2012, in connection with offers and sales of the securities listed in Annex A in market-making transactions.
| UBS Investment Bank | UBS Financial Services Inc. |
Prospectus Supplement dated April 10, 2013
ANNEX A
| Title of Securities | CUSIP Number | |
$200 million 7.625% Notes due February 15, 2014 | 695629AQ8 | |
$5 million 8.2700% Notes due October 4, 2016 | 69563AFG1 | |
$25 million 8.0600% Notes due January 17, 2017 | 69563AFR7 | |
$2 million 7.9400% Notes due January 27, 2017 | 69563AFW6 | |
$10 million 7.9300% Notes due February 6, 2017 | 69563AFZ9 | |
$16 million 7.8100% Notes due February 13, 2017 | 69563AGD7 | |
$20 million 7.9100% Notes due March 17, 2017 | 69563AGKI | |
$5 million 8.0400% Notes due June 5, 2017 | 69563AGW5 | |
$10 million 7.9900% Notes due June 9, 2017 | 69563AGX3 | |
$19.31 million 7.6050% Notes due July 17, 2017 | 69563AHC8 | |
$10 million 7.6330% Notes due September 11, 2017 | 69563AHL8 | |
$25 million 7.3900% Notes due October 16, 2017 | 69563AHT1 | |
$13 million Floating Rate Notes due May 7, 2018 | 69563AJU6 | |
A-1