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This material is issued by UBS AG and/or an affiliate thereof ("UBS"). Products and services mentioned in this material may not be available for residents of certain jurisdictions. Past performance is not necessarily indicative of future results. Please consult the restrictions relating to the product or service in question for further information. Activities with respect to US securities are conducted through UBS Securities LLC, a US broker/dealer. Member of SIPC (http://www.sipc.org/).

ETRACS ETNs are sold only in conjunction with the relevant offering materials. UBS has filed a registration statement (including a prospectus, as supplemented by a prospectus supplement for the offering of the ETRACS ETNs) with the Securities and Exchange Commission (the "SEC") for the offering to which this communication relates. Before you invest, you should read these documents and any other documents that UBS has filed with the SEC for more complete information about UBS and the offering to which this communication relates. You may get these documents for free by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, you can request the prospectus and the applicable prospectus supplement, by calling toll-free (+1-877-387 2275). In the US, securities underwriting, trading and brokerage activities and M&A advisor activities are provided by UBS Securities LLC, a registered broker/dealer that is a wholly owned subsidiary of UBS AG, a member of the New York Stock Exchange and other principal exchanges, and a member of SIPC. UBS Financial Services Inc. is a registered broker/dealer and affiliate of UBS Securities LLC.

The IWFL, IWML and IWDL ETNs (the “ETNs”) have been developed solely by UBS. The ETNs are not in any way connected to or sponsored, endorsed, sold or promoted by the London Stock Exchange Group plc and its group undertakings (collectively, the “LSE Group”). FTSE Russell is a trading name of certain of the LSE Group companies. All rights in the FTSE Russell Indices (the “Indices”) vest in the relevant LSE Group company which owns the Index. “Russell®” and “FTSE Russell®” are a trademarks of the relevant LSE Group company and are used by any other LSE Group company under license. The Index is calculated by or on behalf of FTSE International Limited or its affiliate, agent or partner. The LSE Group does not accept any liability whatsoever to any person arising out of (a) the use of, reliance on or any error in the Index or (b) investment in or operation of the ETNs. The LSE Group makes no claim, prediction, warranty or representation either as to the results to be obtained from the ETNs or the suitability of the Index for the purpose to which it is being put by UBS.

The securities referred to herein are not sponsored, endorsed, issued, sold or promoted by MSCI, and MSCI bears no liability with respect to any such securities or any index on which such securities are based. The respective ETN prospectus contains a more detailed description of the limited relationship MSCI has with UBS.

The Dow Jones US Dividend 100 TR USD Index (“Index”) is a product of S&P Dow Jones Indices LLC and has been licensed for use by UBS AG. Copyright © 2021 S&P Dow Jones Indices LLC (“S&P DJI”), a division of S&P Global. All rights reserved. S&P® is a registered trademark of Standard & Poor’s Financial Services LLC (“S&P”) and Dow Jones® is a registered trademark of Dow Jones Trademark Holdings LLC (“Dow Jones”). UBS’s ETRACS Exchange Traded Notes based on the Index are not sponsored, endorsed, marketed or sold by S&P DJI, S&P, Dow Jones, their affiliates or third party licensors and none of such parties make any representation regarding the advisability of investing in such product(s) nor do they have any liability for any errors, omissions, or interruptions of the Indexes.

The S-Network Composite Closed-End Fund Index is a service mark of S-Network Global Indexes, Inc. (“S-Network”) and its use is granted under a license from S-Network. S-Network does not guarantee the accuracy and/or completeness of the S-Network Composite Closed-End Fund Index or any data included therein, and S-Network shall have no liability for any errors, omissions, interruptions, or defects therein. S-Network makes no warranty, express or implied, representations or promises, as to results to be obtained by UBS AG, or any other person or entity from the use of the S-Network Composite Closed-End Fund Index or any data included therein. S-Network makes no express or implied warranties, representations or promises, regarding the originality, merchantability, suitability, non-infringement, or fitness for a particular purpose or use with respect to the S-Network Composite Closed-End Fund Index or any data included therein. Without limiting any of the foregoing, in no event shall S-Network have any liability for any direct, indirect, special, incidental, punitive, consequential, or other damages (including lost profits), even if notified of the possibility of such damages.

Alerian MLP Infrastructure Index, Alerian Natural Gas MLP Index, Alerian Midstream Energy Index, Alerian Midstream Energy Dividend Index, AMZ, AMZI, AMNA, AMNTR and AEDW are trademarks of Alerian and their use is granted under a license from Alerian.

The ETRACS MarketVector Business Development Companies Liquid Index ETN and the ETRACS Quarterly Pay 1.5x Leveraged MarketVector BDC Liquid Index ETN (“ETNs”) are not sponsored, endorsed, sold or promoted by Market Vectors Index Solutions GmbH (“Licensor”) and Licensor makes no representation or warranty, express or implied, to the owners of the ETNs or any member of the public regarding the advisability of investing in securities generally or in the ETNs particularly or the ability of the MarketVector US Business Development Companies Liquid Index to track the performance of the US BDC market. The ETNs are not sponsored, endorsed, sold or promoted by Market Vectors Index Solutions GmbH (“Licensor”) and Licensor makes no representation or warranty, express or implied, to the owners of the ETNs or any member of the public regarding the advisability of investing in securities generally or in the ETNs particularly or the ability of the MarketVector US Business Development Companies Liquid Index to track the performance of the US BDC market.

NYSE Arca, Inc. (“NYSE Arca”), which acts as calculation agent for the Wells Fargo Business Development Company Index (the “Index”), is not affiliated with UBS AG, Wells Fargo & Company or Wells Fargo Securities, LLC and does not approve, endorse, review or recommend the Products.

(HDLB, SMHB, PFFL, MVRL) The financial instrument is not sponsored, promoted, sold or supported in any other manner by Solactive AG nor does Solactive AG offer any express or implicit guarantee or assurance either with regard to the results of using the Index and/or Index trade mark or the Index Price at any time or in any other respect.

MVIS® Global Mortgage REITs Index (the “Index”) is the exclusive property of MV Index Solutions GmbH, which has contracted with Structured Solutions AG to maintain and calculate the Index

Bloomberg is not affiliated with UBS. UBS assumes sole responsibility for this marketing material, which has not been reviewed by Bloomberg. None of Bloomberg, UBS AG, UBS Securities LLC or any of their subsidiaries or affiliates (collectively, "Bloomberg or UBS") guarantees the accuracy and/or the completeness of the Bloomberg Commodity Index℠ or the UBS Bloomberg Constant Maturity Commodity Index (CMCI) or any data related thereto and neither of Bloomberg or UBS shall have any liability for any errors, omissions or interruptions therein. Neither of Bloomberg or UBS makes any warranty, express or implied, as to results to be obtained by owners of the securities or any other person or entity from the use of the Bloomberg Commodity Index℠ or any data related thereto. Neither of Bloomberg or UBS makes any express or implied warranties and expressly disclaims all warranties of merchantability or fitness for a particular purpose or use with respect to the Bloomberg Commodity Index℠ or the UBS Bloomberg Constant Maturity Commodity Index (CMCI) or any data related thereto. Without limiting any of the foregoing, to the maximum extent allowed by law, Bloomberg, its licensors (including UBS), and its and their respective employees, contractors, agents, suppliers and vendors shall have no liability or responsibility whatsoever for any injury or damages— whether direct, indirect, consequential, incidental, punitive or otherwise—arising in connection with the Bloomberg Commodity Index℠ or the UBS Bloomberg Constant Maturity Commodity Index CMCI or any data or values relating thereto—whether arising from their negligence or otherwise, even if notified of the possibility thereof. There are no third-party beneficiaries of any agreements or arrangements among Bloomberg and UBS Securities LLC, other than UBS AG.

(FEDL, IFED) Economic Index Associates, LLC (“EIA”) outsources the end-of-day and real-time calculation of its IFED™ indexes that serve as the basis for investment products. Third party index calculators that publish and distribute EIA indexes strive to the best of their ability to ensure the correctness of the calculations. There is no obligation for EIA—irrespective of possible obligations to issuers—to advise third parties, including investors and/or financial intermediaries, of any errors in any of the indexes that are calculated on a real-time basis. The publication and distribution of any IFED™ indexes that are calculated on a real-time basis and that serve as the basis for products licensed by EIA are not intended as a recommendation for capital investment and does not contain any assurance or opinion of EIA regarding a possible investment in a financial instrument based on an Index.

ICE Data and its suppliers disclaim any and all warranties and representations, express and/or implied, including any warranties of merchantability or fitness for a particular purpose or use, including the indices, index data and any information included in, related to, or derived therefrom (“index data”). Ice data and its suppliers shall not be subject to any damages or liability with respect to the adequacy, accuracy, timeliness or completeness of the indices and the index data, which are provided on an “as is” basis and your use is at your own risk.

The FBGX ETNs (the “ETNs”) have been developed solely by UBS. The ETNs are not in any way connected to or sponsored, endorsed, sold or promoted by the London Stock Exchange Group plc and its group undertakings (collectively, the “LSE Group”). FTSE Russell is a trading name of certain of the LSE Group companies. All rights in the FTSE Russell Indices (the “Indices”) vest in the relevant LSE Group company which owns the Index. “Russell®” and “FTSE Russell®” are a trademarks of the relevant LSE Group company and are used by any other LSE Group company under license. The Index is calculated by or on behalf of FTSE International Limited or its affiliate, agent or partner. The LSE Group does not accept any liability whatsoever to any person arising out of (a) the use of, reliance on or any error in the Index or (b) investment in or operation of the ETNs. The LSE Group makes no claim, prediction, warranty or representation either as to the results to be obtained from the ETNs or the suitability of the Index for the purpose to which it is being put by UBS.

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UBS specifically prohibits the redistribution or reproduction of this material in whole or in part without the prior written permission of UBS and UBS accepts no liability whatsoever for the actions of third parties in this respect.