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CALCULATION OF REGISTRATION FEE

Title of Each Class of Securities Offered Maximum Aggregate
Offering Price
Amount of
Registration Fee
Notes $4,970,000.00 $677.90
 
  

PRICING SUPPLEMENT NO. 1253
Filed Pursuant to Rule 424(b)(8)
Registration Statement No. 333-177923
Dated April 5, 2013

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JPMorgan Chase & Co. Contingent Absolute Return Autocallable Optimization Securities

$1,135,500 Linked to the common shares of Silver Wheaton Corp. due on April 14, 2014
$3,835,900 Linked to the American depositary shares of Petróleo Brasileiro S.A.—Petrobras due on April 14, 2014

 
Investment Description
Contingent Absolute Return Autocallable Optimization Securities are unsecured and unsubordinated debt securities issued by JPMorgan Chase & Co. ("JPMorgan Chase") (each, a "Security" and collectively, the "Securities") linked to the performance of the common shares or American depositary shares of a specific company (the "Underlying Stock"). The Securities are designed for investors who believe that the price of one share of the applicable Underlying Stock will remain flat or increase during the term of the Securities, or not close below the applicable Trigger Price on the Final Valuation Date. If the applicable Underlying Stock closes at or above the applicable Initial Share Price (subject to adjustments, in the sole discretion of the calculation agent, in the case of certain corporate events described in the accompanying product supplement no. UBS-3-III under "General Terms of Securities — Anti-Dilution Adjustments") on any Observation Date, JPMorgan Chase will automatically call the Securities and pay you a Call Price equal to the principal amount per Security plus a Call Return. The Call Return increases the longer the Securities are outstanding. If by maturity the Securities have not been called and the closing price of one share of the applicable Underlying Stock closes at or above the applicable Trigger Price on the Final Valuation Date, JPMorgan Chase will repay the principal amount plus pay you a return at maturity equal to the absolute value of the percentage decline in the price of the applicable Underlying Stock from the Trade Date to the Final Valuation Date (the "Contingent Absolute Return"). If by maturity the Securities have not been called and the applicable Underlying Stock closes below the applicable Trigger Price on the Final Valuation Date, the Contingent Absolute Return will not apply and JPMorgan Chase will repay less than the principal amount, if anything, resulting in a loss that is proportionate to the decline in the price of the applicable Underlying Stock from the Trade Date to the Final Valuation Date. Investing in the Securities involves significant risks. The Securities do not pay interest. You may lose some or all of your principal amount. The Contingent Absolute Return, and any contingent repayment of principal, apply only if you hold the Securities to maturity. Any payment on the Securities, including any repayment of principal, is subject to the creditworthiness of JPMorgan Chase. If JPMorgan Chase were to default on its payment obligations, you may not receive any amounts owed to you under the Securities and you could lose your entire investment.

         
Features   Key Dates

Call Return: JPMorgan Chase will automatically call the Securities for a Call Price equal to the principal amount plus a Call Return if the closing price of one share of the applicable Underlying Stock on any Observation Date is equal to or greater than the applicable Initial Share Price. The Call Return increases the longer the Securities are outstanding. If the Securities are not called, investors will have the potential for downside equity market risk at maturity.

Contingent Absolute Return at Maturity: If by maturity the Securities have not been called and the price of the applicable Underlying Stock closes at or above the applicable Trigger Price on the Final Valuation Date, JPMorgan Chase will repay the principal amount plus pay the Contingent Absolute Return. If the price of one share of the applicable Underlying Stock closes below the applicable Trigger Price on the Final Valuation Date, the Contingent Absolute Return will not apply and JPMorgan Chase will repay less than the principal amount, if anything, resulting in a loss that is proportionate to the decline in the price of the applicable Underlying Stock from the Trade Date to the Final Valuation Date. The Contingent Absolute Return, and any contingent repayment of principal, apply only if you hold the Securities until maturity. Any payment on the Securities, including any repayment of principal, is subject to the creditworthiness of JPMorgan Chase.

  Trade Date April 5, 2013
Settlement Date April 11, 2013
Observation Dates1 Quarterly (see page 4)
Final Valuation Date1 April 8, 2014
Maturity Date1 April 14, 2014
1 Subject to postponement in the event of a market disruption event and as described under "Description of Securities — Call Feature" and "Description of Securities — Payment at Maturity" in the accompanying product supplement no. UBS-3-III
   
   
   

 

THE SECURITIES ARE SIGNIFICANTLY RISKIER THAN CONVENTIONAL DEBT INSTRUMENTS. JPMORGAN CHASE IS NOT NECESSARILY OBLIGATED TO REPAY THE FULL PRINCIPAL AMOUNT OF THE SECURITIES AT MATURITY, AND THE SECURITIES CAN HAVE DOWNSIDE MARKET RISK SIMILAR TO THE APPLICABLE UNDERLYING STOCK. THIS MARKET RISK IS IN ADDITION TO THE CREDIT RISK INHERENT IN PURCHASING A DEBT OBLIGATION OF JPMORGAN CHASE. YOU SHOULD NOT PURCHASE THE SECURITIES IF YOU DO NOT UNDERSTAND OR ARE NOT COMFORTABLE WITH THE SIGNIFICANT RISKS INVOLVED IN INVESTING IN THE SECURITIES.

YOU SHOULD CAREFULLY CONSIDER THE RISKS DESCRIBED UNDER "KEY RISKS" BEGINNING ON PAGE 6 AND UNDER "RISK FACTORS" BEGINNING ON PAGE PS-7 OF THE ACCOMPANYING PRODUCT SUPPLEMENT NO. UBS-3-III BEFORE PURCHASING ANY SECURITIES. EVENTS RELATING TO ANY OF THOSE RISKS, OR OTHER RISKS AND UNCERTAINTIES, COULD ADVERSELY AFFECT THE MARKET VALUE OF, AND THE RETURN ON, YOUR SECURITIES. YOU MAY LOSE SOME OR ALL OF YOUR INITIAL INVESTMENT IN THE SECURITIES.

Security Offering
This pricing supplement relates to two (2) separate Security offerings. Each issuance of offered Securities is linked to one, and only one, Underlying Stock. You may participate in either of the two (2) Security offerings or, at your election, in both of the offerings. This pricing supplement does not, however, allow you to purchase a Security linked to a basket of both of the Underlying Stocks described below. The Securities are offered at a minimum investment of $1,000 in denominations of $10 and integral multiples thereof. Each of the two (2) Security offerings is linked to the common shares or American depositary shares of a different company, and each of the two (2) Security offerings has its own Call Return rate, Initial Share Price and Trigger Price. The performance of each Security offering will not depend on the performance of the other Security offering.

           
Underlying Stock Call Return Rate Initial Share Price Trigger Price* CUSIP ISIN
Common shares of Silver Wheaton Corp. (Bloomberg ticker: SLW) 12.00%
per annum
$29.07 $21.80, which is
75% of the
Initial Share Price
48124B485 US48124B4858
American depositary shares of Petróleo Brasileiro S.A.—Petrobras (Bloomberg ticker: PBR) 11.93%
per annum
$16.37 $12.28, which is
75% of the
Initial Share Price
48124B477 US48124B4775

See "Additional Information about JPMorgan Chase & Co. and the Securities" in this pricing supplement. Each Security we are offering will have the terms specified in the prospectus dated November 14, 2011, the prospectus supplement dated November 14, 2011, product supplement no. UBS-3-III dated February 28, 2013 and this pricing supplement. The terms of the Securities as set forth in this pricing supplement, to the extent they differ or conflict with those set forth in product supplement no. UBS-3-III, will supersede the terms set forth in product supplement no. UBS-3-III.

Neither the Securities and Exchange Commission (the "SEC") nor any state securities commission has approved or disapproved of the Securities or passed upon the accuracy or the adequacy of this pricing supplement or the accompanying prospectus, prospectus supplement and product supplement no. UBS-3-III. Any representation to the contrary is a criminal offense.

             
  Price to Public(1) Fees and Commissions(2) Proceeds to Us
Offering of Securities Total Per Security Total Per Security Total Per Security
Securities linked to the common shares of Silver Wheaton Corp. $1,135,500 $10 $17,025.00 $0.15 $1,118,467.50 $9.85
Securities linked to the American depositary shares of Petróleo Brasileiro S.A.—Petrobras $3,835,900 $10 $57,538.50 $0.15 $3,778,361.50 $9.85

   
(1) The price to the public includes the estimated cost of hedging our obligations under the Securities through one or more of our affiliates, which includes our affiliates' expected cost of providing such hedge as well as the profit our affiliates expect to realize in consideration for assuming the risks inherent in providing such hedge. For additional related information, please see "Use of Proceeds and Hedging" beginning on page PS-18 of the accompanying product supplement no. UBS-3-III.
(2) UBS Financial Services Inc., which we refer to as UBS, will receive a commission of $0.15 per $10 principal amount Security.

The Securities are not bank deposits and are not insured by the Federal Deposit Insurance Corporation or any other governmental agency, nor are they obligations of, or guaranteed by, a bank.

 

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Additional Information about JPMorgan Chase & Co. and the Securities

This pricing supplement relates to two (2) separate Security offerings. Each issue of the offered Securities is linked to one, and only one, Underlying Stock. The purchaser of a Security will acquire a security linked to a single Underlying Stock (not to a basket or index that includes the other Underlying Stock). You may participate in either of the two (2) Security offerings or, at your election, in both of the offerings. While each Security offering relates only to a single Underlying Stock identified on the cover page, you should not construe that fact as a recommendation of the merits of acquiring an investment linked to that Underlying Stock (or the other Underlying Stock) or as to the suitability of an investment in the Securities.

You should read this pricing supplement together with the prospectus dated November 14, 2011, as supplemented by the prospectus supplement dated November 14, 2011, relating to our Series E medium-term notes of which these Securities are a part, and the more detailed information contained in product supplement no. UBS-3-III dated February 28, 2013. This pricing supplement, together with the documents listed below, contains the terms of the Securities, supplements the free writing prospectus related hereto dated April 1, 2013 and supersedes all other prior or contemporaneous oral statements as well as any other written materials including preliminary or indicative pricing terms, correspondence, trade ideas, structures for implementation, sample structures, fact sheets, brochures or other educational materials of ours. You should carefully consider, among other things, the matters set forth in "Risk Factors" in the accompanying product supplement no. UBS-3-III, as the Securities involve risks not associated with conventional debt securities.

You may access these on the SEC website at www.sec.gov as follows (or if such address has changed, by reviewing our filing for the relevant date on the SEC website):

Product supplement no. UBS-3-III dated February 28, 2013:
http://www.sec.gov/Archives/edgar/data/19617/000095010313001399/crt-dp36614_424b2.pdf
Prospectus supplement dated November 14, 2011:
http://www.sec.gov/Archives/edgar/data/19617/000089109211007578/e46180_424b2.pdf
Prospectus dated November 14, 2011:
http://www.sec.gov/Archives/edgar/data/19617/000089109211007568/e46179_424b2.pdf

As used in this pricing supplement, the "issuer," "JPMorgan Chase," "we," "us" and "our" refer to JPMorgan Chase & Co.

2


Investor Suitability

     

The Securities may be suitable for you if, among other considerations:

You fully understand the risks inherent in an investment in the Securities, including the risk of loss of your entire initial investment.

You can tolerate a loss of all or a substantial portion of your investment and are willing to make an investment that may have the same downside market risk as an investment in the applicable Underlying Stock.

You believe the applicable Underlying Stock will close at or above the applicable Initial Share Price on one of the specified Observation Dates or will close at or above the applicable Trigger Price on the Final Valuation Date.

You understand and accept that you will not participate in any appreciation in the price of one share of the applicable Underlying Stock and that your potential return is limited to the applicable Call Return or, if the Securities have not been called, to the Contingent Absolute Return (as limited by the Trigger Price).

You can tolerate fluctuations in the price of the Securities prior to maturity that may be similar to or exceed the downside price fluctuations of the applicable Underlying Stock.

You are willing to invest in the Securities based on the per annum Call Return rate of 12.00% for Securities linked to the common shares of Silver Wheaton Corp. and 11.93% for Securities linked to the American depositary shares of Petróleo Brasileiro S.A.—Petrobras.

You do not seek current income from this investment and are willing to forgo dividends paid on the applicable Underlying Stock.

You are willing to invest in securities that may be called early or you are otherwise willing to hold such securities to maturity, a term of approximately 12 months.

You accept that there may be little or no secondary market for the Securities and that any secondary market will depend in large part on the price, if any, at which J.P. Morgan Securities LLC ("JPMS"), is willing to trade the Securities.

You are willing to assume the credit risk of JPMorgan Chase for all payments under the Securities, and understand that if JPMorgan Chase defaults on its obligations you may not receive any amounts due to you including any repayment of principal.

 

The Securities may not be suitable for you if, among other considerations:

You do not fully understand the risks inherent in an investment in the Securities, including the risk of loss of your entire initial investment.

You cannot tolerate a loss of all or a substantial portion of your investment and are unwilling to make an investment that may have the same downside market risk as an investment in the applicable Underlying Stock.

You require an investment designed to provide a full return of principal at maturity.

You believe that the price of one share of the applicable Underlying Stock will decline during the term of the Securities and is likely to close below the applicable Trigger Price on the Final Valuation Date exposing you to the full negative Stock Return at maturity.

You seek an investment that participates in the full appreciation in the price of the applicable Underlying Stock or that has unlimited return potential.

You cannot tolerate fluctuations in the price of the Securities prior to maturity that may be similar to or exceed the downside price fluctuations of the applicable Underlying Stock.

You are not willing to invest in the Securities based on the per annum Call Return rate of 12.00% for Securities linked to the common shares of Silver Wheaton Corp. and 11.93% for Securities linked to the American depositary shares of Petróleo Brasileiro S.A.—Petrobras.

You prefer the lower risk, and therefore accept the potentially lower returns, of fixed income investments with comparable maturities and credit ratings.

You seek current income from this investment or prefer to receive the dividends paid on the applicable Underlying Stock.

You are unable or unwilling to hold securities that may be called early, or you are otherwise unable or unwilling to hold such securities to maturity, a term of approximately 12 months, or you seek an investment for which there will be an active secondary market.

You are not willing to assume the credit risk of JPMorgan Chase for all payments under the Securities, including any repayment of principal.

The suitability considerations identified above are not exhaustive. Whether or not the Securities are a suitable investment for you will depend on your individual circumstances, and you should reach an investment decision only after you and your investment, legal, tax, accounting and other advisers have carefully considered the suitability of an investment in the Securities in light of your particular circumstances. You should also review carefully the "Key Risks" beginning on page 6 of this pricing supplement and "Risk Factors" in the accompanying product supplement no. UBS-3-III for risks related to an investment in the Securities.

3


     
Final Terms
Issuer   JPMorgan Chase & Co.
Issue Price   $10.00 per Security
Underlying Stock  

Common shares of Silver Wheaton Corp.

American depositary shares of Petróleo Brasileiro S.A.—Petrobras

Principal Amount   $10 per Security (subject to a minimum purchase of 100 Securities or $1,000)
Term   Approximately 12 months, unless called earlier
Call Feature   The Securities will be called if the closing price of one share of the applicable Underlying Stock on any Observation Date is equal to or greater than the applicable Initial Share Price. If the Securities are called, JPMorgan Chase will pay you on the applicable Call Settlement Date a cash payment per Security equal to the applicable Call Price for the applicable Observation Date.
Observation Dates1  

July 8, 2013

October 8, 2013

January 8, 2014

April 8, 2014 (Final Valuation Date)

Call Settlement Dates1   2nd business day following the applicable Observation Date, except that the Call Settlement Date for the Final Valuation Date is the Maturity Date.
Call Return   The applicable Call Return increases the longer the Securities are outstanding and is based upon a Call Return rate of (i) 12.00% for Securities linked to the common shares of Silver Wheaton Corp. and (ii) 11.93% for Securities linked to the American depositary shares of Petróleo Brasileiro S.A.—Petrobras. See "Call Returns/Call Prices for Each Offering of the Securities."
Call Price   The applicable Call Price equals the principal amount per Security plus the applicable Call Return.
Payment at Maturity (per $10 Security)  

If the Securities are not automatically called and the applicable Final Share Price is equal to or greater than the applicable Trigger Price, we will pay you a cash payment at maturity per $10 principal amount Security equal to:

$10 × (1 + Contingent Absolute Return)

If the Securities are not automatically called and the applicable Final Share Price is less than the applicable Trigger Price, we will pay you a cash payment at maturity that is less than $10 per $10 principal amount Security, equal to:

$10 × (1 + Stock Return)

In this scenario, the Contingent Absolute Return does not apply and you will lose some or all of your initial investment at maturity in an amount proportionate to the negative Stock Return.

Stock Return  

Final Share Price – Initial Share Price
Initial Share Price

Contingent Absolute Return   The absolute value of the Stock Return. For example, if the Stock Return is -5%, the Contingent Absolute Return will equal 5%.
Initial Share Price2  

The closing price of one share of the applicable Underlying Stock on the Trade Date

$29.07 for Securities linked to the common shares of Silver Wheaton Corp.

$16.37 for Securities linked to the American depositary shares of Petróleo Brasileiro S.A.—Petrobras

Final Share Price2   The closing price of one share of the applicable Underlying Stock on the Final Valuation Date
Trigger Price2  

For Securities linked to the common shares of Silver Wheaton Corp., $21.80, which is 75% of its Initial Share Price

For Securities linked to the American depositary shares of Petróleo Brasileiro S.A.—Petrobras, $12.28, which is 75% of its Initial Share Price

   
1 See footnote 1 under "Key Dates" on the front cover
2 Subject to adjustment upon the occurrence of certain corporate events affecting the applicable Underlying Stock as described under "General Terms of Securities — Anti-Dilution Adjustments" in the accompanying product supplement no. UBS-3-III.

     
Investment Timeline
Trade Date   The closing price of one share of the applicable Underlying Stock is determined, the applicable Trigger Price is determined and the applicable Call Return rate is set.
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Quarterly  

The Securities will be called if the closing price of one share of the applicable Underlying Stock on any Observation Date is equal to or greater than the applicable Initial Share Price.

If the Securities are called, JPMorgan Chase will pay the applicable Call Price for the applicable Observation Date: equal to the principal amount plus an amount based on the applicable Call Return rate.

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Maturity Date  

The applicable Final Share Price is determined as of the Final Valuation Date.

If the Securities have not been called and the applicable Final Share Price is equal to or greater than the applicable Trigger Price, JPMorgan Chase will pay an amount in cash equal to:

$10 × (1 + Contingent Absolute Return)
per Security

If the Securities have not been called and the applicable Final Share Price is less than the applicable Trigger Price, the Contingent Absolute Return will not apply and JPMorgan Chase will repay less than the principal amount, if anything, resulting in a loss proportionate to the decline of the applicable Underlying Stock; equal to a return of:

$10 × (1 + Stock Return) per Security

     
     
INVESTING IN THE SECURITIES INVOLVES SIGNIFICANT RISKS. YOU MAY LOSE SOME OR ALL OF YOUR PRINCIPAL AMOUNT. ANY PAYMENT ON THE SECURITIES, INCLUDING ANY REPAYMENT OF PRINCIPAL, IS SUBJECT TO THE CREDITWORTHINESS OF JPMORGAN CHASE. IF JPMORGAN CHASE WERE TO DEFAULT ON ITS PAYMENT OBLIGATIONS, YOU MAY NOT RECEIVE ANY AMOUNTS OWED TO YOU UNDER THE SECURITIES AND YOU COULD LOSE YOUR ENTIRE INVESTMENT.

4


Call Returns/Call Prices for Each Offering of the Securities

           
    Securities linked to
the common shares of
Silver Wheaton Corp.
Securities linked to
the American depositary shares of
Petróleo Brasileiro S.A.—Petrobras
Observation Dates Call Settlement Dates Call Return (numbers below reflect the rate of 12.00% per annum) Call Price (per $10) Call Return (numbers below reflect the rate of 11.93% per annum) Call Price (per $10)
July 8, 2013 July 10, 2013 3.00% $10.30 2.983% $10.2983
October 8, 2013 October 10, 2013 6.00% $10.60 5.966% $10.5966
January 8, 2014 January 10, 2014 9.00% $10.90 8.948% $10.8948
April 8, 2014
(Final Valuation Date)
April 14, 2014
(Maturity Date)
12.00% $12.00 11.930% $11.1930

   
See footnote 1 under "Key Dates" on the cover

What Are the Tax Consequences of the Securities?

You should review carefully the section entitled "Material U.S. Federal Income Tax Consequences" in the accompanying product supplement no. UBS-3-III. The following discussion, when read in combination with that section, constitutes the full opinion of our special tax counsel, Davis Polk & Wardwell LLP, regarding the material U.S. federal income tax consequences of owning and disposing of Securities.

Based on current market conditions, in the opinion of our special tax counsel it is reasonable to treat the Securities as "open transactions" that are not debt instruments for U.S. federal income tax purposes. Assuming this treatment is respected, the gain or loss on your Securities should be treated as short-term capital gain or loss unless you hold your Securities for more than a year, in which case the gain or loss should be long-term capital gain or loss, whether or not you are an initial purchaser of Securities at the issue price. However, the Internal Revenue Service (the "IRS") or a court may not respect this treatment of the Securities, in which case the timing and character of any income or loss on the Securities could be materially and adversely affected. In addition, in 2007 Treasury and the IRS released a notice requesting comments on the U.S. federal income tax treatment of "prepaid forward contracts" and similar instruments. The notice focuses in particular on whether to require investors in these instruments to accrue income over the term of their investment. It also asks for comments on a number of related topics, including the character of income or loss with respect to these instruments; the relevance of factors such as the nature of the underlying property to which the instruments are linked; the degree, if any, to which income (including any mandated accruals) realized by non-U.S. investors should be subject to withholding tax; and whether these instruments are or should be subject to the "constructive ownership" regime, which very generally can operate to recharacterize certain long-term capital gain as ordinary income and impose a notional interest charge. While the notice requests comments on appropriate transition rules and effective dates, any Treasury regulations or other guidance promulgated after consideration of these issues could materially and adversely affect the tax consequences of an investment in the Securities, possibly with retroactive effect. You should consult your tax adviser regarding the U.S. federal income tax consequences of an investment in the Securities, including possible alternative treatments and the issues presented by this notice.

5


Key Risks

An investment in the Securities involves significant risks. Investing in the Securities is not equivalent to investing directly in the applicable Underlying Stock. These risks are explained in more detail in the "Risk Factors" section of the accompanying product supplement no. UBS-3-III. We also urge you to consult your investment, legal, tax, accounting and other advisors before you invest in the Securities.

Risks Relating to the Securities Generally

Your Investment in the Securities May Result in a Loss — The Securities differ from ordinary debt securities in that JPMorgan Chase will not necessarily repay the full principal amount of the Securities. If the Securities are not called and the closing price of one share of the applicable Underlying Stock has declined below the applicable Trigger Price on the Final Valuation Date, you will be fully exposed to any depreciation in the closing price of one share of the applicable Underlying Stock from the applicable Initial Share Price to the applicable Final Share Price and JPMorgan Chase will repay less than the full principal amount at maturity, resulting in a loss that is proportionate to the negative Stock Return. Under these circumstances, the Contingent Absolute Return will not apply and you will lose 1% of your principal for every 1% that the applicable Final Share Price is less than the applicable Initial Share Price and you could lose your entire initial investment. As a result, your investment in the Securities may not perform as well as an investment in a security that does not have the potential for full downside exposure to the applicable Underlying Stock at maturity.
Credit Risk of JPMorgan Chase & Co. — The Securities are unsecured and unsubordinated debt obligations of the issuer, JPMorgan Chase & Co., and will rank pari passu with all of our other unsecured and unsubordinated obligations. The Securities are not, either directly or indirectly, an obligation of any third party. Any payment to be made on the Securities, including any repayment of principal, depends on the ability of JPMorgan Chase & Co. to satisfy its obligations as they come due. As a result, the actual and perceived creditworthiness of JPMorgan Chase & Co. may affect the market value of the Securities and, in the event JPMorgan Chase & Co. were to default on its obligations, you may not receive any amounts owed to you under the terms of the Securities and you could lose your entire investment.
The Contingent Absolute Return Applies Only If You Hold the Securities to Maturity — If you are able to sell your Securities in the secondary market prior to maturity, you may have to sell them at a loss relative to your initial investment even if the closing price of one share of the applicable Underlying Stock is above the applicable Trigger Price. If by maturity the Securities have not been called, JPMorgan Chase will repay you the full principal amount per Security plus the Contingent Absolute Return, unless the price of the applicable Underlying Stock closes below the applicable Trigger Price on the Final Valuation Date. Under these circumstances, the Contingent Absolute Return will not apply and JPMorgan Chase will repay less than the principal amount, if anything, resulting in a loss that is proportionate to the decline in the price of the applicable Underlying Stock from the Trade Date to the Final Valuation Date. The Contingent Absolute Return and any contingent repayment of principal are based on whether the applicable Final Share Price is below the applicable Trigger Price and apply only if you hold your Securities to maturity.
Limited Return on the Securities — If the Securities are called, your potential gain on the Securities will be limited to the applicable Call Return regardless of the appreciation in the closing price of one share of the applicable Underlying Stock, which may be significant. Because the Call Return increases the longer the Securities have been outstanding and your Securities can be called as early as the first quarterly Observation Date, the term of the Securities could be cut short and the return on the Securities would be less than if the Securities were called at a later date. In addition, if the Securities are not called, any positive return on the Securities will be limited by the applicable Trigger Price because JPMorgan Chase will pay you the principal amount plus the Contingent Absolute Return at maturity only when the Securities are not called and only if the applicable Final Share Price is greater than or equal to the applicable Trigger Price. You will not receive a Contingent Absolute Return and will lose some or all of your investment if the Final Share Price is below the applicable Trigger Price. Furthermore, because the closing price of one share of the applicable Underlying Stock at various times during the term of the Securities could be higher than on the Observation Dates and on the Final Valuation Date, you may receive a lower payment if the Securities are automatically called or at maturity, as the case may be, than you would have if you had invested directly in the applicable Underlying Stock.
The Probability That the Applicable Final Share Price Will Fall Below the Applicable Trigger Price on the Final Valuation Date Will Depend on the Volatility of the Applicable Underlying Stock — "Volatility" refers to the frequency and magnitude of changes in the price of one share of the applicable Underlying Stock. Greater expected volatility with respect to the applicable Underlying Stock reflects a higher expectation as of the Trade Date that the price of one share of that Underlying Stock could close below its Trigger Price on the Final Valuation Date of the Securities, resulting in the loss of some or all of your investment. In addition, each Call Return rate is set on the Trade Date and depends in part on this expected volatility. However, a stock's volatility can change significantly over the term of the Securities. The price of one share of the applicable Underlying Stock for your Securities could fall sharply, which could result in a significant loss of principal.
Reinvestment Risk — If your Securities are called early, the holding period over which you would receive the per annum return of 12.00% for Securities linked to the common shares of Silver Wheaton Corp. and 11.93% for Securities linked to the American depositary shares of Petróleo Brasileiro S.A.—Petrobras could be as little as three months. There is no guarantee that you would be able to reinvest the proceeds from an investment in the Securities at a comparable rate of return for a similar level of risk in the event the Securities are called prior to the maturity date.
No Periodic Interest Payments — You will not receive any periodic interest payments on the Securities.

6


Potential Conflicts — We and our affiliates play a variety of roles in connection with the issuance of the Securities, including acting as calculation agent and hedging our obligations under the Securities. In performing these duties, our economic interests and the economic interests of the calculation agent and other affiliates of ours are potentially adverse to your interests as an investor in the Securities. In addition, JPMorgan Chase Bank, National Association, our affiliate, serves as depositary for the American depositary shares of Petróleo Brasileiro S.A.—Petrobras. As a result JPMorgan Chase Bank, National Association's interests, as depositary for the ADSs, may be adverse to your interests as a holder of the Securities. Furthermore, our business activities, including hedging and trading activities, could cause our economic interests to be adverse to yours and could adversely affect any payment on the Securities and the value of the Securities. It is possible that hedging or trading activities of ours or our affiliates could result in substantial returns for us or our affiliates while the value of the Securities declines. Please refer to "Risk Factors — Risks Relating to the Securities Generally" in the accompanying product supplement no. UBS-3-III for additional information about these risks. We and/or our affiliates may also currently or from time to time engage in business with the issuer of the applicable Underlying Stock, including extending loans to, or making equity investments in, the issuer of the applicable Underlying Stock or providing advisory services to the issuer of the applicable Underlying Stock. As a prospective purchaser of the Securities, you should undertake an independent investigation of the issuer of the applicable Underlying Stock as in your judgment is appropriate to make an informed decision with respect to an investment in the Securities.
Single Stock Risk — The price of the applicable Underlying Stock can rise or fall sharply due to factors specific to that Underlying Stock and its issuer, such as stock price volatility, earnings, financial conditions, corporate, industry and regulatory developments, management changes and decisions and other events, as well as general market factors, such as general stock market volatility and levels, interest rates and economic and political conditions. For additional information regarding each Underlying Stock and its issuer, please see "The Underlying Stocks" and the section applicable to each Underlying Stock issuer in this pricing supplement and the respective issuer's SEC filings referred to in those sections. We urge you to review financial and other information filed periodically with the SEC by the applicable Underlying Stock issuer.
Certain Built-In Costs Are Likely to Affect Adversely the Value of the Securities Prior to Maturity — While the payment on any Call Settlement Date or at maturity, if any, described in this pricing supplement is based on the full principal amount of your Securities, the original issue price of the Securities includes UBS's commission and the estimated cost of hedging our obligations under the Securities. As a result, and as a general matter, the price, if any, at which JPMS will be willing to purchase Securities from you in secondary market transactions, if at all, will likely be lower than the original issue price and any sale prior to the maturity date could result in a substantial loss to you. This secondary market price will also be affected by a number of factors aside from UBS's commission and our hedging costs, including those set forth under "Many Economic and Market Factors Will Impact the Value of the Securities" below. The Securities are not designed to be short-term trading instruments. Accordingly, you should be able and willing to hold your Securities to maturity.
No Dividend Payments or Voting Rights in the Applicable Underlying Stock — As a holder of the Securities, you will not have any ownership interest or rights in the applicable Underlying Stock, such as voting rights or dividend payments. In addition, the issuer of the applicable Underlying Stock will not have any obligation to consider your interests as a holder of the Securities in taking any corporate action that might affect the value of the applicable Underlying Stock and the Securities.
No Affiliation with the Applicable Underlying Stock Issuer — We are not affiliated with the issuer of the applicable Underlying Stock. We have not independently verified any of the information about the applicable Underlying Stock issuer contained in this pricing supplement or in product supplement no. UBS-3-III. You should make your own investigation into the applicable Underlying Stock and its issuer. We are not responsible for the applicable Underlying Stock issuer's public disclosure of information, whether contained in SEC filings or otherwise.
No Assurances That the Investment View Implicit in the Securities Will Be Successful — While the Securities are structured to provide potentially enhanced returns in a flat or bullish environment or potential absolute returns in a negative environment above the applicable Trigger Price, we cannot assure you of the economic environment during the term or at maturity of your Securities and you may lose some or all of your investment at maturity.
Lack of Liquidity — The Securities will not be listed on any securities exchange. JPMS intends to offer to purchase the Securities in the secondary market, but is not required to do so. Even if there is a secondary market, it may not provide enough liquidity to allow you to trade or sell the Securities easily. Because other dealers are not likely to make a secondary market for the Securities, the price at which you may be able to trade your Securities is likely to depend on the price, if any, at which JPMS is willing to buy the Securities.
Anti-Dilution Protection Is Limited and May Be Discretionary — Although the calculation agent will adjust the applicable Initial Share Price and applicable Trigger Price for certain corporate events (such as stock splits and stock dividends) affecting the applicable Underlying Stock, the calculation agent is not required to make an adjustment for every corporate event that can affect the applicable Underlying Stock. If an event occurs that does not require the calculation agent to adjust the applicable Initial Share Price and the applicable Trigger Price, the market value of your Securities and the payment at maturity if not previously called may be materially and adversely affected. You should also be aware that the calculation agent may make any such adjustment, determination or calculation in a manner that differs from what is described in the accompanying product supplement as it deems necessary to ensure an equitable result. Subject to the foregoing, the calculation agent is under no obligation to consider your interests as a holder of the Securities in making these determinations.
Hedging and Trading in the Applicable Underlying Stock — While the Securities are outstanding, we or any of our affiliates may carry out hedging activities related to the Securities, including in the applicable Underlying Stock or instruments related to the applicable Underlying Stock. We or our affiliates may also trade in the applicable Underlying Stock or instruments related to the applicable Underlying Stock from time to time. Any of these hedging or trading activities as of the Trade Date and during the term of the Securities could adversely affect whether the Securities will be automatically called and our payment to you at maturity if not previously called. It is possible that these hedging or trading activities could result in substantial returns for us or our affiliates while the value of the Securities declines.

7


Potentially Inconsistent Research, Opinions or Recommendations by JPMS, UBS or Their Affiliates — JPMS, UBS or their affiliates may publish research, express opinions or provide recommendations (for example, with respect to the issuer of the Underlying Stock) that are inconsistent with investing in or holding the Securities, and that may be revised at any time. Any such research, opinions or recommendations may or may not recommend that investors buy or hold the applicable Underlying Stock and could affect the value of the applicable Underlying Stock, and therefore the market value of the Securities.
Tax Treatment — Significant aspects of the tax treatment of the Securities are uncertain. You should consult your tax adviser about your tax situation.
Potential JPMorgan Chase & Co. Impact on the Market Price of the Applicable Underlying Stock — Trading or transactions by JPMorgan Chase & Co. or its affiliates in the applicable Underlying Stock and/or over-the-counter options, futures or other instruments with returns linked to the performance of the applicable Underlying Stock may adversely affect the market price of the applicable Underlying Stock and, therefore, the market value of the Securities.
Market Disruptions May Adversely Affect Your Return — The calculation agent may, in its sole discretion, determine that the markets have been affected in a manner that prevents it from properly determining the closing price of one share of the applicable Underlying Stock on an Observation Date, determining if the Securities are to be automatically called, calculating the applicable Stock Return or Contingent Absolute Return if the Securities are not automatically called and calculating the amount that we are required to pay you, if any, upon an automatic call or at maturity. These events may include disruptions or suspensions of trading in the markets as a whole. If the calculation agent, in its sole discretion, determines that any of these events prevents us or any of our affiliates from properly hedging our obligations under the Securities, it is possible that one or more of the Observation Dates and the applicable payment date will be postponed and your return will be adversely affected. See "General Terms of Securities — Market Disruption Events" in the accompanying product supplement no. UBS-3-III.
Many Economic and Market Factors Will Impact the Value of the Securities — In addition to the value of the applicable Underlying Stock and interest rates on any trading day, the value of the Securities will be impacted by a number of economic and market factors that may either offset or magnify each other and which are set out in more detail in product supplement no. UBS-3-III.

Risks Relating to Securities Linked to the Common Shares of Silver Wheaton Corp.

Risks Associated with Non-U.S. Companies — An investment in Securities linked to the common shares of Silver Wheaton Corp. (which we refer to as "Silver Wheaton"), which are issued by a Canadian issuer, involves risks associated with the home country of Silver Wheaton. The common shares of Silver Wheaton, which are quoted and traded in U.S. dollars on the New York Stock Exchange, may trade differently from the common shares quoted and traded in Canadian dollars on the Toronto Stock Exchange. Non-U.S. companies, such as those in Canada, are generally subject to accounting, auditing and financial reporting standards and requirements, and securities trading rules different from those applicable to U.S. reporting companies. The prices of securities issued by non-U.S. companies may be affected by political, economic, financial and social factors in the home country of the non-U.S. issuer (i.e., Canada in the case of Silver Wheaton), including changes in that country's government, economic and fiscal policies, currency exchange laws or other laws or restrictions. Moreover, the economy of that country may differ favorably or unfavorably from the economy of the United States in such respects as growth of gross national product, rate of inflation, capital reinvestment, resources and self-sufficiency. Such country may be subjected to different and, in some cases, more adverse economic environments.
Currency Exchange Rate Risk — Because the common shares of Silver Wheaton are quoted and traded in U.S. dollars on the New York Stock Exchange and in Canadian dollars on the Toronto Stock Exchange, fluctuations in the exchange rate between the Canadian dollar and the U.S. dollar will likely affect the relative value of the common shares in the two different currencies and, as a result, will likely affect the market price of the common shares trading on the New York Stock Exchange. These trading differences and currency exchange rates may affect the market value of the applicable Securities and whether the applicable Final Share Price will fall below the applicable Trigger Price on the Final Valuation Date. The Canadian dollar has been subject to fluctuations against the U.S. dollar in the past and may be subject to significant fluctuations in the future. Previous fluctuations or periods of relative stability in the exchange rate between the Canadian dollar and the U.S. dollar are not necessarily indicative of fluctuations or periods of relative stability in those rates that may occur over the term of the applicable Securities. The exchange rate between the Canadian dollar and the U.S. dollar is the result of the supply of, and the demand for, those currencies. Changes in the exchange rates result over time from the interaction of many factors directly or indirectly affecting economic and political conditions in Canada and the United States, including economic and political developments in other countries. Of particular importance are rates of inflation, interest rate levels, the balance of payments and the extent of governmental surpluses or deficits in Canada and the United States, all of which are in turn sensitive to the monetary, fiscal and trade policies pursued by Canada and the United States and other jurisdictions important to international trade and finance.

Risks Relating Specifically to the Securities Linked to the American depositary shares of Petróleo Brasileiro S.A.—Petrobras

Risks Associated with Non-U.S. Emerging Market Companies — An investment in the Securities linked to the American depositary shares (or "ADSs") representing interests in the common shares of Petróleo Brasileiro S.A.—Petrobras (which we refer to as "Petrobras"), which are issued by a Brazilian issuer, involves risks associated with the home country of Petrobras. The ADSs of Petrobras, which are quoted and traded in U.S. dollars on the New York Stock Exchange, may trade differently from the common shares of Petrobras quoted and traded in Brazilian reais on BM&FBOVESPA. Non-U.S. companies, such as those in the Brazil, are generally subject to accounting, auditing and financial reporting standards and requirements, and securities trading rules different from those applicable to U.S. reporting companies. Generally, non-U.S. securities markets may be more volatile than U.S. securities markets, and market developments may affect non-U.S. markets differently from U.S. securities markets. Direct or indirect government intervention to stabilize these non-U.S. markets, as well as cross shareholdings in non-U.S. companies, may affect trading prices and volumes in those markets. The prices of securities issued by non-U.S. companies may be affected by political, economic, financial and social factors in the home country of the non-U.S.

8


  issuer (i.e., Brazil), including changes in that country's government, economic and fiscal policies, currency exchange laws or other laws or restrictions. Moreover, the economy of that country may differ favorably or unfavorably from the economy of the United States in such respects as growth of gross national product, rate of inflation, capital reinvestment, resources and self-sufficiency. Such country may be subjected to different and, in some cases, more adverse economic environments.
  In addition, Petrobras is located in an emerging markets country. Countries with emerging markets may have relatively unstable governments, may present the risks of nationalization of businesses, restrictions on foreign ownership and prohibitions on the repatriation of assets, and may have less protection of property rights than more developed countries. The economies of countries with emerging markets may be based on only a few industries, may be highly vulnerable to changes in local or global trade conditions, and may suffer from extreme and volatile debt burdens or inflation rates. Local securities markets may trade a small number of securities and may be unable to respond effectively to increases in trading volume, potentially making prompt liquidation of holdings difficult or impossible at times.
Securities Linked to the ADSs of Petrobras Are Subject to Currency Exchange Rate Risk — Because the ADSs of Petrobras are quoted and traded in U.S. dollars on the New York Stock Exchange and the common shares of Petrobras are quoted and traded in Brazilian real on BM&FBOVESPA, fluctuations in the exchange rate between the real and the U.S. dollar will likely affect the relative value of the ADSs of Petrobras and the common shares of Petrobras, and, as a result, will likely affect the market price of the ADSs trading on the New York Stock Exchange. These trading differences and currency exchange rates may affect the market value of the applicable Securities and whether the applicable Final Share Price will fall below the applicable Trigger Price on the Final Valuation Date. The Brazilian real has been subject to fluctuations against the U.S. dollar in the past and may be subject to significant fluctuations in the future. Previous fluctuations or periods of relative stability in the exchange rates between the Brazilian real and the U.S. dollar are not necessarily indicative of fluctuations or periods of relative stability in those rates that may occur over the term of the applicable Securities. The exchange rates between the Brazilian real and the U.S. dollar are the result of the supply of, and the demand for, those currencies. Changes in the exchange rate result over time from the interaction of many factors directly or indirectly affecting economic and political conditions in Brazil and the United States, including economic and political developments in other countries. Of particular importance are rates of inflation, interest rate levels, the balance of payments and the extent of governmental surpluses or deficits in Brazil and the United States, all of which are in turn sensitive to the monetary, fiscal and trade policies pursued by Brazil, the United States and other jurisdictions important to international trade and finance.
There Are Important Differences Between the Rights of Holders of ADSs of Petrobras and the Rights of Holders of the Common Shares of Petrobras — You should be aware that your return on those Securities is linked to the price of the ADSs and not the common shares of Petrobras. There are important differences between the rights of holders of ADSs and the rights of holders of the common shares. Each ADS is a security evidenced by an ADS that represents two common shares of Petrobras. The ADSs are issued pursuant to a deposit agreement, which sets forth the rights and responsibilities of the ADS depositary, Petrobras, and holders of the ADSs, which may be different from the rights of holders of the common shares. For example, a company may make distributions in respect of common shares that are not passed on to the holders of its ADSs. Any such differences between the rights of holders of the ADSs and the rights of holders of the common shares of Petrobras may be significant and may materially and adversely affect the value of the ADSs and, as a result, the Securities linked to the ADSs of Petrobras.

9


Hypothetical Examples

The examples below illustrate the hypothetical payment upon a call or at maturity under different hypothetical scenarios for a $10.00 Security on an offering of the Securities linked to a hypothetical Underlying Stock with the following assumptions (amounts have been rounded for ease of reference):

   
Principal Amount: $10.00
Term: Approximately 12 months (unless earlier called)
Initial Share Price: $50.00
Call Return Rate: 6.00%* per annum (or 1.50% per quarter)
Observation Dates: Quarterly
Trigger Price: $40.00 (which is 80.00% of the hypothetical Initial Share Price)

   
* The actual Call Return rate and other terms for each Security have been set on the Trade Date and may be generally different from the hypothetical terms set forth above. The actual payment upon a call or at maturity and the actual Trigger Price applicable to your Securities may be more or less than the amounts displayed in these hypothetical scenarios. The actual terms for each Security are specified on the cover of this pricing supplement.

The examples below are purely hypothetical and are not based on any specific offering of Securities linked to any specific Underlying Stock. These examples are intended to illustrate how the value of any payment on the Securities will depend on the closing price on the Observation Dates.

Example 1 — Securities Are Called on the First Observation Date

   
Closing Price at first Observation Date: $55.00 (at or above Initial Share Price, Securities are called)
Call Price (per Security): $10.15

Because the Securities are called on the first Observation Date, we will pay you on the applicable Call Settlement Date a total Call Price of $10.15 per $10.00 principal amount (1.50% return on the Securities).

Example 2 — Securities Are Called on the Final Valuation Date

   
Closing Price at first Observation Date: $45.00 (below Initial Share Price, Securities NOT called)
Closing Price at second Observation Date: $40.00 (below Initial Share Price, Securities NOT called)
Closing Price at third Observation Date: $45.00 (below Initial Share Price, Securities NOT called)
Closing Price at Final Valuation Date: $52.50 (at or above Initial Share Price, Securities are called)
   
Call Price (per Security): $10.60

Because the Securities are called on the Final Valuation Date, we will pay you on the applicable Call Settlement Date (which coincides with the Maturity Date in this example) a total Call Price of $10.60 per $10.00 principal amount (6.00% return on the Securities).

Example 3 — Securities Are NOT Called and the Final Share Price Is Above the Trigger Price

   
Closing Price at first Observation Date: $45.00 (below Initial Share Price, Securities NOT called)
Closing Price at second Observation Date: $40.00 (below Initial Share Price, Securities NOT called)
Closing Price at third Observation Date: $45.00 (below Initial Share Price, Securities NOT called)
Closing Price at Final Valuation Date: $45.00 (below Initial Share Price, but above Trigger Price, Securities NOT called)
   
Settlement Amount (per Security): $10.00 × (1 + Contingent Absolute Return)
$10.00 × (1 + 10%)
$11.00

Because the Securities are not called and the Stock Return is -10%, but the Final Share Price is above or equal to the Trigger Price, at maturity we will pay you a total of $11.00 per $10.00 principal amount (a 10% return on the Securities).

Example 4 — Securities Are NOT Called and the Final Share Price Is Below the Trigger Price

   
Closing Price at first Observation Date: $45.00 (below Initial Share Price, Securities NOT called)
Closing Price at second Observation Date: $40.00 (below Initial Share Price, Securities NOT called)
Closing Price at third Observation Date: $45.00 (below Initial Share Price, Securities NOT called)
Closing Price at Final Valuation Date: $25.00 (below Initial Share Price and Trigger Price, Securities NOT called)
   
Settlement Amount (per Security): $10.00 × (1 + Stock Return)
$10.00 × (1 + -50%)
$5.00

Because the Securities are not called and the Final Share Price is below the Trigger Price, at maturity we will pay you a total of $5.00 per $10.00 principal amount (a 50% loss on the Securities).

The hypothetical returns and hypothetical payments on the Securities shown above do not reflect fees or expenses that would be associated with any sale in the secondary market. If these fees and expenses were included, the hypothetical returns and hypothetical payments shown above would likely be lower.

10


The Underlying Stocks

Included on the following pages is a brief description of the issuers of the Underlying Stocks. This information has been obtained from publicly available sources, without independent verification. Set forth below is a table that provides the quarterly high and low closing prices of one share of each Underlying Stock. The information given below is for the four calendar quarters in each of 2008, 2009, 2010, 2011 and 2012 and the first calendar quarter of 2013. Partial data is provided for the second calendar quarter of 2013 We obtained the closing price information set forth below from the Bloomberg Professional® service ("Bloomberg"), without independent verification. You should not take the historical prices of any Underlying Stock as an indication of future performance.

Each of the Underlying Stocks is registered under the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Companies with securities registered under the Exchange Act are required to file financial and other information specified by the SEC periodically. Information filed by the issuer of each Underlying Stock with the SEC can be reviewed electronically through a web site maintained by the SEC. The address of the SEC's web site is http://www.sec.gov. Information filed with the SEC by the issuer of each Underlying Stock under the Exchange Act can be located by reference to its SEC file number provided below. In addition, information filed with the SEC can be inspected and copied at the Public Reference Section of the SEC, 100 F Street, N.E., Room 1580, Washington, D.C. 20549. Copies of this material can also be obtained from the Public Reference Section, at prescribed rates. We do not make any representation that these publicly available documents are accurate or complete.

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Silver Wheaton Corp.

According to its publicly available filings with the SEC, Silver Wheaton Corp., which we refer to as Silver Wheaton, a Canadian company, is a mining company which generates its revenue primarily from the sale of silver. The common shares of Silver Wheaton, no par value (Bloomberg ticker: SLW), are listed on the New York Stock Exchange, which we refer to as the Relevant Exchange for purposes of Silver Wheaton in the accompanying product supplement no. UBS-3-III. Silver Wheaton's SEC file number is 001-32482.

Historical Information Regarding the Common Shares of Silver Wheaton

The following table sets forth the quarterly high and low closing prices of one common share of Silver Wheaton, based on daily closing prices on the primary exchange for Silver Wheaton, as reported by Bloomberg. The closing price of one common share of Silver Wheaton on April 5, 2013 was $29.07. We obtained the closing prices and other information below from Bloomberg, without independent verification. The closing prices and this other information may be adjusted by Bloomberg for corporate actions such as stock splits, public offerings, mergers and acquisitions, spin-offs, delistings and bankruptcy.

Since its inception, the price of the common shares of Silver Wheaton has experienced significant fluctuations. The historical performance of the common shares of Silver Wheaton should not be taken as an indication of future performance, and no assurance can be given as to the closing prices of one common share of Silver Wheaton during the term of the Securities. We cannot give you assurance that the performance of the common shares of Silver Wheaton will result in the return of any of your initial investment. We make no representation as to the amount of dividends, if any, that Silver Wheaton will pay in the future. In any event, as an investor in the Securities, you will not be entitled to receive dividends, if any, that may be payable on the common shares of Silver Wheaton.

                             
  Quarter Begin     Quarter End     Quarterly High     Quarterly Low     Close  
  1/1/2008     3/31/2008     $19.38     $14.36     $15.53  
  4/1/2008     6/30/2008     $17.44     $12.76     $14.65  
  7/1/2008     9/30/2008     $15.51     $7.96     $8.15  
  10/1/2008     12/31/2008     $8.45     $2.57     $6.49  
  1/1/2009     3/31/2009     $8.58     $5.31     $8.23  
  4/1/2009     6/30/2009     $10.95     $7.26     $8.24  
  7/1/2009     9/30/2009     $13.21     $7.44     $12.59  
  10/1/2009     12/31/2009     $17.32     $11.96     $15.02  
  1/1/2010     3/31/2010     $17.45     $13.57     $15.68  
  4/1/2010     6/30/2010     $21.36     $16.22     $20.10  
  7/1/2010     9/30/2010     $26.99     $17.96     $26.65  
  10/1/2010     12/31/2010     $40.84     $25.74     $39.04  
  1/1/2011     3/31/2011     $45.02     $29.24     $43.36  
  4/1/2011     6/30/2011     $46.91     $30.19     $33.00  
  7/1/2011     9/30/2011     $40.94     $29.45     $29.45  
  10/1/2011     12/31/2011     $37.10     $27.45     $28.96  
  1/1/2012     3/31/2012     $39.90     $30.10     $33.20  
  4/1/2012     6/30/2012     $33.68     $23.24     $26.84  
  7/1/2012     9/30/2012     $39.91     $25.33     $39.71  
  10/1/2012     12/31/2012     $41.14     $34.49     $36.08  
  1/1/2013     3/31/2013     $37.18     $30.20     $31.35  
  4/1/2013     4/5/2013 *   $30.81     $28.35     $29.07  

   
* As of the date of this pricing supplement, available information for the second calendar quarter of 2013 includes data for the period from April 1, 2013 through April 5, 2013. Accordingly, the "Quarterly High," "Quarterly Low" and "Close" data indicated are for this shortened period only and do not reflect complete data for the second calendar quarter of 2013.

12


The graph below illustrates the daily performance of the common shares of Silver Wheaton from May 9, 2006 through April 5, 2013, based on information from Bloomberg, without independent verification. The dotted line represents the Trigger Price, equal to 75% of the closing price on April 5, 2013.

Past performance of the Underlying Stock is not indicative of the future performance of the Underlying Stock.

https://cdn.kscope.io/0933d72aae6509b55206f3366b59c6fb-silverwheatonchart.jpg

 

13


Petróleo Brasileiro S.A.—Petrobras

According to its publicly available filings with the SEC, Petróleo Brasileiro S.A.—Petrobras, which we refer to as Petrobras, a Brazilian company, is an integrated oil and gas company that operates most of Brazil's producing oil and gas fields, operates substantially all the refining capacity in Brazil and participates in most aspects of the Brazilian natural gas market. The ADSs of Petrobras, each representing two common shares of Petrobras (no par value) (Bloomberg ticker: PBR), are listed on the New York Stock Exchange, which we refer to as the Relevant Exchange for purposes of Petrobras in the accompanying product supplement no. UBS-3-III. Petrobras' SEC file number is 001-15106.

Historical Information Regarding the American Depositary Shares of Petrobras

The following table sets forth the quarterly high and low closing prices of one ADS of Petrobras, based on daily closing prices on the primary exchange for Petrobras, as reported by Bloomberg. The closing price of one ADS of Petrobras on April 5, 2013 was $16.37. We obtained the closing prices and other information below from Bloomberg, without independent verification. The closing prices and this other information may be adjusted by Bloomberg for corporate actions such as stock splits, public offerings, mergers and acquisitions, spin-offs, delistings and bankruptcy.

Since its inception, the price of the ADSs of Petrobras has experienced significant fluctuations. The historical performance of the ADSs of Petrobras should not be taken as an indication of future performance, and no assurance can be given as to the closing prices of one ADS of Petrobras during the term of the Securities. We cannot give you assurance that the performance of the ADSs of Petrobras will result in the return of any of your initial investment. We make no representation as to the amount of dividends, if any, that Petrobras will pay in the future. In any event, as an investor in the Securities, you will not be entitled to receive dividends, if any, that may be payable on the ADSs of Petrobras.

                             
  Quarter Begin     Quarter End     Quarterly High     Quarterly Low     Close  
  1/1/2008     3/31/2008     $62.51     $46.28     $51.06  
  4/1/2008     6/30/2008     $75.19     $52.28     $70.83  
  7/1/2008     9/30/2008     $70.24     $38.44     $43.95  
  10/1/2008     12/31/2008     $43.48     $14.94     $24.49  
  1/1/2009     3/31/2009     $34.99     $23.01     $30.47  
  4/1/2009     6/30/2009     $45.64     $32.16     $40.98  
  7/1/2009     9/30/2009     $46.16     $35.44     $45.90  
  10/1/2009     12/31/2009     $53.01     $44.43     $47.68  
  1/1/2010     3/31/2010     $48.91     $38.20     $44.49  
  4/1/2010     6/30/2010     $46.35     $32.88     $34.32  
  7/1/2010     9/30/2010     $38.68     $32.81     $36.27  
  10/1/2010     12/31/2010     $37.84     $31.90     $37.84  
  1/1/2011     3/31/2011     $41.57     $35.41     $40.43  
  4/1/2011     6/30/2011     $41.41     $31.87     $33.86  
  7/1/2011     9/30/2011     $34.75     $22.45     $22.45  
  10/1/2011     12/31/2011     $28.44     $21.50     $24.85  
  1/1/2012     3/31/2012     $32.12     $25.69     $26.56  
  4/1/2012     6/30/2012     $26.61     $17.64     $18.77  
  7/1/2012     9/30/2012     $24.18     $18.68     $22.94  
  10/1/2012     12/31/2012     $23.15     $17.97     $19.47  
  1/1/2013     3/31/2013     $20.37     $14.45     $16.57  
  4/1/2013     4/5/2013 *   $16.82     $16.14     $16.37  

   
* As of the date of this pricing supplement, available information for the second calendar quarter of 2013 includes data for the period from April 1, 2013 through April 5, 2013. Accordingly, the "Quarterly High," "Quarterly Low" and "Close" data indicated are for this shortened period only and do not reflect complete data for the second calendar quarter of 2013.

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The graph below illustrates the daily performance of the ADSs of Petrobras from January 2, 2003 through April 5, 2013, based on information from Bloomberg, without independent verification. The dotted line represents the Trigger Price, equal to 75% of the closing price on April 5, 2013.

Past performance of the Underlying Stock is not indicative of the future performance of the Underlying Stock.

https://cdn.kscope.io/0933d72aae6509b55206f3366b59c6fb-petroleochart.jpg

 

Supplemental Plan of Distribution

We have agreed to indemnify UBS and JPMS against liabilities under the Securities Act of 1933, as amended, or to contribute to payments that UBS may be required to make relating to these liabilities as described in the prospectus supplement and the prospectus. We have agreed that UBS may sell all or a part of the Securities that it purchases from us to its affiliates at the price indicated on the cover of this pricing supplement.

Subject to regulatory constraints, JPMS intends to offer to purchase the Securities in the secondary market, but it is not required to do so.

We or our affiliates may enter into swap agreements or related hedge transactions with one of our other affiliates or unaffiliated counterparties in connection with the sale of the Securities, and JPMS and/or an affiliate may earn additional income as a result of payments pursuant to the swap or related hedge transactions. See "Use of Proceeds and Hedging" beginning on page PS-18 of the accompanying product supplement no. UBS-3-III.

We expect that delivery of the Securities will be made against payment for the Securities on or about the Settlement Date set forth on the front cover of this pricing supplement, which will be the fourth business day following the Trade Date of the Securities (this settlement cycle being referred to as T+4). Under Rule 15c6-1 under the Securities Exchange Act of 1934, as amended, trades in the secondary market generally are required to settle in three business days, unless the parties to that trade expressly agree otherwise. Accordingly, purchasers who wish to trade Securities on the Trade Date will be required to specify an alternate settlement cycle at the time of any such trade to prevent a failed settlement and should consult their own advisors.

Validity of the Securities

In the opinion of Davis Polk & Wardwell LLP, as our special products counsel, when the Securities offered by this pricing supplement have been executed and issued by us and authenticated by the trustee pursuant to the indenture, and delivered against payment as contemplated herein, such Securities will be our valid and binding obligations, enforceable in accordance with their terms, subject to applicable bankruptcy, insolvency and similar laws affecting creditors' rights generally, concepts of reasonableness and equitable principles of general applicability (including, without limitation, concepts of good faith, fair dealing and the lack of bad faith), provided that such counsel expresses no opinion as to the effect of fraudulent conveyance, fraudulent transfer or similar provision of applicable law on the conclusions expressed above. This opinion is given as of the date hereof and is limited to the federal laws of the United States of America, the laws of the State of New York and the General Corporation Law of the State of Delaware. In addition, this opinion is subject to customary assumptions about the trustee's authorization, execution and delivery of the indenture and its authentication of the Securities and the validity, binding nature and enforceability of the indenture with respect to the trustee, all as stated in the letter of such counsel dated March 29, 2012, which was filed as an exhibit to a Current Report on Form 8-K by us on March 29, 2012.

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