Under the Indenture, Holders must deliver (and not revoke) valid Consents in respect of at least 66 2/3% in principal amount of the outstanding Securities (the “Requisite Consents”) to approve the Proposed Amendment.The Consent Solicitation is being made pursuant to the Statement and accompanying Letter of Transmittal, and investors should review these documents for important terms and conditions relating to the Consent Solicitation. A beneficial owner of an interest in Securities held through a DTC Participant must properly instruct such DTC Participant sufficiently in advance of 5:00 p.m., New York City Time, on Wednesday, November 7, 2012 (which time and date may be extended, pursuant to the terms of the Statement) to cause a Consent to be delivered by such DTC Participant with respect to the Proposed Amendment. Requests for assistance in completing and delivering the Letter of Transmittal or requests for additional copies of the Statement, the Letter of Transmittal and other related documents should be directed to the Tabulation Agent at its address and telephone number below. All other requests regarding the Consent Solicitation should be directed to UBS Securities LLC, at its address and telephone number below. The Securities were issued pursuant to the Indenture, dated as of November 21, 2000, between UBS and U.S. Bank Trust National Association , as supplemented by the First Supplemental Indenture thereto, dated as of February 28, 2006, the Second Supplemental Indenture thereto, dated as of December 13, 2010, and the global security with respect to the Securities, dated April 4, 2008. None of UBS, its subsidiaries or affiliates, the Solicitor, or the Tabulation Agent makes any recommendation as to whether Holders should deliver Consents to the Proposed Amendment pursuant to the Consent Solicitation, and no one has been authorized by any of them to make such a recommendation. The Statement and the Letter of Transmittal contain important information that should be read before any decision is made with respect to the Consent Solicitation.