MS-P Morgan Stanley

August 2024

Preliminary Pricing Supplement No. 3,366

Registration Statement Nos. 333-275587; 333-275587-01

Dated August 5, 2024

Filed pursuant to Rule 424(b)(2)

Morgan Stanley Finance LLC

Structured Investments

Opportunities in U.S. Equities

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Fully and Unconditionally Guaranteed by Morgan Stanley

Principal at Risk Securities

The securities offered are unsecured obligations of Morgan Stanley Finance LLC (“MSFL”), fully and unconditionally guaranteed by Morgan Stanley, and have the terms described in the accompanying product supplement, index supplement and prospectus, as supplemented or modified by this document. The securities do not guarantee the repayment of principal and do not provide for the regular payment of interest. The securities will be automatically redeemed if the index closing value of each of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index, which we refer to as the underlying indices, on any of the annual determination dates is greater than or equal to 100% of its respective initial index value, which we refer to as the respective call threshold level, for an early redemption payment that will increase over the term of the securities, as described below. No further payments will be made on the securities once they have been redeemed. At maturity, if the securities have not previously been redeemed and the final index value of each underlying index is greater than or equal to its respective call threshold level, investors will receive a fixed positive return, as set forth below. If the securities have not previously been redeemed and the final index value of any underlying index is less than its respective call threshold level but the final index value of each underlying index is greater than or equal to 70% of its respective initial index value, which we refer to as the respective downside threshold level, investors will receive a payment at maturity of $1,000 per $1,000 security. However, if the securities are not redeemed prior to maturity and the final index value of any underlying index is less than its respective downside threshold level, investors will be exposed to the decline in the worst performing underlying index on a 1-to-1 basis, and will receive a payment at maturity that is less than 70% of the stated principal amount of the securities and could be zero. Accordingly, investors in the securities must be willing to accept the risk of losing their entire initial investment. These long-dated securities are for investors who are willing to forgo current income and participation in the appreciation of any underlying index in exchange for the possibility of receiving an early redemption payment or payment at maturity greater than the stated principal amount if each underlying index closes at or above the respective call threshold level on an annual determination date or the final determination date, respectively. Because all payments on the securities are based on the worst performing of the underlying indices, a decline beyond the respective downside threshold level of any underlying index will result in a significant loss of your investment, even if the other underlying indices have appreciated or have not declined as much. Investors will not participate in any appreciation of any underlying index. The securities are notes issued as part of MSFL’s Series A Global Medium-Term Notes program.

All payments are subject to our credit risk. If we default on our obligations, you could lose some or all of your investment. These securities are not secured obligations and you will not have any security interest in, or otherwise have any access to, any underlying reference asset or assets.

(1)Selected dealers and their financial advisors will collectively receive from the agent, MS & Co., a fixed sales commission of $ for each security they sell. See “Supplemental information regarding plan of distribution; conflicts of interest.” For additional information, see “Plan of Distribution (Conflicts of Interest)” in the accompanying product supplement.

(2)See “Use of proceeds and hedging” on page 22.

The securities involve risks not associated with an investment in ordinary debt securities. See “Risk Factors” beginning on page 9.

The Securities and Exchange Commission and state securities regulators have not approved or disapproved these securities, or determined if this document or the accompanying product supplement, index supplement and prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

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

You should read this document together with the related product supplement, index supplement and prospectus, each of which can be accessed via the hyperlinks below. When you read the accompanying product supplement and index supplement, please note that all references in such supplements to the prospectus dated November 16, 2023, or to any sections therein, should refer instead to the accompanying prospectus dated April 12, 2024 or to the corresponding sections of such prospectus, as applicable. Please also see “Additional Terms of the Securities” and “Additional Information About the Securities” at the end of this document.

As used in this document, “we,” “us” and “our” refer to Morgan Stanley or MSFL, or Morgan Stanley and MSFL collectively, as the context requires.

Product Supplement for Auto-Callable Securities dated November 16, 2023 ​Index Supplement dated November 16, 2023 ​Prospectus dated April 12, 2024

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

Determination Dates, Early Redemption Dates and Early Redemption Payments

*The actual early redemption payment with respect to each determination date will be determined on the pricing date and will be an amount in cash per stated principal amount corresponding to a return of at least approximately 11.40% per annum.

August 2024 Page 2

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

Investment Summary

Jump Securities with Auto-Callable Feature

Principal at Risk Securities

The Jump Securities with Auto-Callable Feature due August 13, 2029 All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index (the “securities”) do not provide for the regular payment of interest. Instead, the securities will be automatically redeemed if the index closing value of each of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index on any annual determination date is greater than or equal to its respective call threshold level, for an early redemption payment that will increase over the term of the securities, as described below. No further payments will be made on the securities once they have been redeemed. At maturity, if the securities have not previously been redeemed and the final index value of each underlying index is greater than or equal to its respective call threshold level, investors will receive a fixed positive return, as set forth below. If the securities have not previously been redeemed and the final index value of any underlying index is less than its respective call threshold level but the final index value of each underlying index is greater than or equal to its respective downside threshold level, investors will receive a payment of maturity of $1,000 per $1,000 security. However, if the securities are not redeemed prior to maturity and the final index value of any underlying index is less than its respective downside threshold level, investors will be exposed to the decline in the worst performing underlying index on a 1-to-1 basis, and will receive a payment at maturity that is less than 70% of the stated principal amount of the securities and could be zero. Accordingly, investors in the securities must be willing to accept the risk of losing their entire initial investment. Investors will not participate in any appreciation in any underlying index.

August 2024 Page 3

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

The original issue price of each security is $1,000. This price includes costs associated with issuing, selling, structuring and hedging the securities, which are borne by you, and, consequently, the estimated value of the securities on the pricing date will be less than $1,000. We estimate that the value of each security on the pricing date will be approximately $942.00, or within $40.00 of that estimate. Our estimate of the value of the securities as determined on the pricing date will be set forth in the final pricing supplement.

What goes into the estimated value on the pricing date?

In valuing the securities on the pricing date, we take into account that the securities comprise both a debt component and a performance-based component linked to the underlying indices. The estimated value of the securities is determined using our own pricing and valuation models, market inputs and assumptions relating to the underlying indices, instruments based on the underlying indices, volatility and other factors including current and expected interest rates, as well as an interest rate related to our secondary market credit spread, which is the implied interest rate at which our conventional fixed rate debt trades in the secondary market.

What determines the economic terms of the securities?

In determining the economic terms of the securities, including the early redemption payment amounts, the call threshold levels and the downside threshold levels, we use an internal funding rate, which is likely to be lower than our secondary market credit spreads and therefore advantageous to us. If the issuing, selling, structuring and hedging costs borne by you were lower or if the internal funding rate were higher, one or more of the economic terms of the securities would be more favorable to you.

What is the relationship between the estimated value on the pricing date and the secondary market price of the securities?

The price at which MS & Co. purchases the securities in the secondary market, absent changes in market conditions, including those related to the underlying indices, may vary from, and be lower than, the estimated value on the pricing date, because the secondary market price takes into account our secondary market credit spread as well as the bid-offer spread that MS & Co. would charge in a secondary market transaction of this type and other factors. However, because the costs associated with issuing, selling, structuring and hedging the securities are not fully deducted upon issuance, for a period of up to 6 months following the issue date, to the extent that MS & Co. may buy or sell the securities in the secondary market, absent changes in market conditions, including those related to the underlying indices, and to our secondary market credit spreads, it would do so based on values higher than the estimated value. We expect that those higher values will also be reflected in your brokerage account statements.

MS & Co. may, but is not obligated to, make a market in the securities, and, if it once chooses to make a market, may cease doing so at any time.

August 2024 Page 4

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

Key Investment Rationale

The securities do not provide for the regular payment of interest. Instead, the securities will be automatically redeemed if the index closing value of each of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index on any annual determination date is greater than or equal to its respective call threshold level.

The following scenarios are for illustrative purposes only to demonstrate how an automatic early redemption payment or the payment at maturity (if the securities have not previously been redeemed) are calculated, and do not attempt to demonstrate every situation that may occur. Accordingly, the securities may or may not be redeemed prior to maturity and the payment at maturity may be less than 70% of the stated principal amount of the securities and may be zero.

August 2024 Page 5

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

Hypothetical Examples

The following hypothetical examples are for illustrative purposes only. Whether the securities are redeemed prior to maturity will be determined by reference to the index closing value of each underlying index on each of the annual determination dates, and the payment at maturity, if any, will be determined by reference to the index closing value of each underlying index on the final determination date. The actual early redemption payment with respect to each applicable determination date, initial index values, call threshold levels and downside threshold levels will be determined on the pricing date. Some numbers appearing in the examples below have been rounded for ease of analysis. All payments on the securities are subject to our credit risk. The below examples are based on the following terms:

August 2024 Page 6

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

Automatic Call:

Example 1 — The securities are redeemed following the second determination date.

In this example, on the first determination date, the index closing values of two of the underlying indices are at or above their respective call threshold levels, but the index closing value of the other underlying index is below its respective call threshold level. Therefore, the securities are not redeemed. On the second determination date, the index closing value of each underlying index is at or above the respective call threshold level. Therefore, the securities are automatically redeemed on the second early redemption date. Investors will receive a payment of $1,228 per security on the related early redemption date. No further payments will be made on the securities once they have been redeemed, and investors do not participate in the appreciation in any underlying index.

How to calculate the payment at maturity:

In the following examples, one or more of the underlying indices close below the respective call threshold level(s) on each of the annual determination dates, and, consequently, the securities are not automatically redeemed prior to, and remain outstanding until, maturity.

In example 1, the final index value of each underlying index is at or above its respective call threshold level. Therefore, investors receive at maturity a fixed positive return. Investors do not participate in any appreciation in any underlying index.

In example 2, the final index values of two of the underlying indices are at or above their call threshold levels and downside threshold levels, but the final index value of the other underlying index is below its call threshold level and at or above its downside threshold level. The NDX Index has increased 20% from its initial index value to its final index value, the RTY Index has increased 10% from its initial index value to its final index value and the INDU Index has declined 20% from its initial index value to its final index value. Therefore, investors receive $1,000 per security at maturity. Investors do not participate in any appreciation in any underlying index.

In example 3, the final index values of two of the underlying indices are at or above their call threshold levels and downside threshold levels, but the final index value of the other underlying index is below its respective downside threshold level. Therefore, investors are exposed to the downside performance of the worst performing underlying index at maturity. The NDX Index has increased 20% from its initial index value to its final index value, the INDU Index has increased 25% from its initial index value to its final index value and the

August 2024 Page 7

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

RTY Index has declined 60% from its initial index value to its final index value. Therefore, investors receive at maturity an amount equal to the stated principal amount multiplied by the index performance factor of the RTY Index, which is the worst performing underlying index in this example.

In example 4, the final index value of one of the underlying indices is at or above its call threshold level and downside threshold level, the final index value of one of the underlying indices is below its call threshold level and at or above its downside threshold level, and the final index value of the other underlying index is below its respective downside threshold level. Therefore, investors are exposed to the downside performance of the worst performing underlying index at maturity. The NDX Index has increased 20% from its initial index value to its final index value, the RTY Index has declined 25% from its initial index value to its final index value and the INDU Index has declined 80% from its initial index value to its final index value. Therefore, investors receive at maturity an amount equal to the stated principal amount multiplied by the index performance factor of the INDU Index, which is the worst performing underlying index in this example.

In example 5, the final index value of each underlying index is below its respective downside threshold level, and investors receive at maturity an amount equal to the stated principal amount multiplied by the index performance factor of the worst performing underlying index. The NDX Index has declined 80% from its initial index value to its final index value, the INDU Index has declined 55% from its initial index value to its final index value and the RTY Index has declined 50% from its initial index value to its final index value. Therefore, the payment at maturity equals the stated principal amount multiplied by the index performance factor of the NDX Index, which is the worst performing underlying index in this example.

If the final index value of any underlying index is below its respective downside threshold level, you will be exposed to the downside performance of the worst performing underlying index at maturity, and your payment at maturity will be less than 70% of the stated principal amount per security and could be zero.

August 2024 Page 8

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

Risk Factors

This section describes the material risks relating to the securities. For further discussion of these and other risks, you should read the section entitled “Risk Factors” in the accompanying product supplement, index supplement and prospectus. We also urge you to consult with your investment, legal, tax, accounting and other advisers in connection with your investment in the securities.

Risks Relating to an Investment in the Securities

￭The securities do not pay interest or guarantee the return of any principal. The terms of the securities differ from those of ordinary debt securities in that they do not pay interest or guarantee the return of any of the principal amount at maturity. If the securities have not been automatically redeemed prior to maturity and if the final index value of any underlying index is less than its respective downside threshold level of 70% of its initial index value, you will be exposed to the decline in the value of the worst performing underlying index, as compared to its initial index value, on a 1-to-1 basis, and you will receive for each security that you hold at maturity an amount equal to the stated principal amount multiplied by the index performance factor of the worst performing underlying index. In this case, the payment at maturity will be less than 70% of the stated principal amount and could be zero.

￭The appreciation potential of the securities is limited by the fixed early redemption payment or payment at maturity specified for each determination date. The appreciation potential of the securities is limited to the fixed early redemption payment specified for each determination date if each underlying index closes at or above its respective call threshold level on any annual determination date, or to the fixed upside payment at maturity if the securities have not been redeemed and the final index value of each underlying index is at or above its call threshold level. In all cases, you will not participate in any appreciation of any underlying index, which could be significant.

￭The market price will be influenced by many unpredictable factors. Several factors, many of which are beyond our control, will influence the value of the securities in the secondary market and the price at which MS & Co. may be willing to purchase or sell the securities in the secondary market. We expect that generally the level of interest rates available in the market and the value of each underlying index on any day, including in relation to its respective call threshold level and downside threshold level, will affect the value of the securities more than any other factors. Other factors that may influence the value of the securities include:

othe volatility (frequency and magnitude of changes in value) of the underlying indices,

ogeopolitical conditions and economic, financial, political, regulatory or judicial events that affect the component stocks of the underlying indices or securities markets generally and which may affect the value of each underlying index,

odividend rates on the securities underlying the underlying indices,

othe time remaining until the securities mature,

ointerest and yield rates in the market,

othe availability of comparable instruments,

othe composition of the underlying indices and changes in the constituent stocks of such indices, and

oany actual or anticipated changes in our credit ratings or credit spreads.

Generally, the longer the time remaining to maturity, the more the market price of the securities will be affected by the other factors described above. Some or all of these factors will influence the price that you will receive if you sell your securities prior to maturity. For example, you may have to sell your securities at a substantial discount from the stated principal amount of $1,000 per security if the price of any underlying index at the time of sale is near or below its downside threshold level or if market interest rates rise.

You cannot predict the future performance of any underlying index based on its historical performance. The value(s) of one or more of the underlying indices may decrease so that you will receive no return on your investment and receive a payment at maturity that is less than 70% of the stated principal amount. See “Nasdaq-100 Index® Overview,” “Dow Jones Industrial AverageSM Overview” and “Russell 2000® Index Overview” below.

￭The securities are subject to our credit risk, and any actual or anticipated changes to our credit ratings or credit spreads may adversely affect the market value of the securities. You are dependent on our ability to pay all amounts due on the securities upon an early redemption or at maturity and therefore you are subject to our credit risk. If we default on our obligations under the securities, your investment would be at risk and you could lose some or all of your investment. As a result, the market value of the securities prior to maturity will be affected by changes in the market’s view of our creditworthiness. Any actual or anticipated decline in our credit ratings or increase in the credit spreads charged by the market for taking our credit risk is likely to adversely affect the market value of the securities.

￭As a finance subsidiary, MSFL has no independent operations and will have no independent assets. As a finance subsidiary, MSFL has no independent operations beyond the issuance and administration of its securities and will have no

August 2024 Page 9

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

independent assets available for distributions to holders of MSFL securities if they make claims in respect of such securities in a bankruptcy, resolution or similar proceeding. Accordingly, any recoveries by such holders will be limited to those available under the related guarantee by Morgan Stanley and that guarantee will rank pari passu with all other unsecured, unsubordinated obligations of Morgan Stanley. Holders will have recourse only to a single claim against Morgan Stanley and its assets under the guarantee. Holders of securities issued by MSFL should accordingly assume that in any such proceedings they would not have any priority over and should be treated pari passu with the claims of other unsecured, unsubordinated creditors of Morgan Stanley, including holders of Morgan Stanley-issued securities.

￭Not equivalent to investing in the underlying indices. Investing in the securities is not equivalent to investing in any underlying index or the component stocks of any underlying index. Investors in the securities will not participate in any positive performance of any underlying index, and will not have voting rights or rights to receive dividends or other distributions or any other rights with respect to stocks that constitute any underlying index.

￭Reinvestment risk. The term of your investment in the securities may be shortened due to the automatic early redemption feature of the securities. If the securities are redeemed prior to maturity, you will receive no further payments on the securities and may be forced to invest in a lower interest rate environment and may not be able to reinvest at comparable terms or returns.

￭The securities will not be listed on any securities exchange and secondary trading may be limited, and accordingly, you should be willing to hold your securities for the entire 5-year term of the securities. The securities will not be listed on any securities exchange. Therefore, there may be little or no secondary market for the securities. MS & Co. may, but is not obligated to, make a market in the securities and, if it once chooses to make a market, may cease doing so at any time. When it does make a market, it will generally do so for transactions of routine secondary market size at prices based on its estimate of the current value of the securities, taking into account its bid/offer spread, our credit spreads, market volatility, the notional size of the proposed sale, the cost of unwinding any related hedging positions, the time remaining to maturity and the likelihood that it will be able to resell the securities. Even if there is a secondary market, it may not provide enough liquidity to allow you to trade or sell the securities easily. Since other broker-dealers may not participate significantly in the 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 MS & Co. is willing to transact. If, at any time, MS & Co. were to cease making a market in the securities, it is likely that there would be no secondary market for the securities. Accordingly, you should be willing to hold your securities to maturity.

￭The rate we are willing to pay for securities of this type, maturity and issuance size is likely to be lower than the rate implied by our secondary market credit spreads and advantageous to us. Both the lower rate and the inclusion of costs associated with issuing, selling, structuring and hedging the securities in the original issue price reduce the economic terms of the securities, cause the estimated value of the securities to be less than the original issue price and will adversely affect secondary market prices. Assuming no change in market conditions or any other relevant factors, the prices, if any, at which dealers, including MS & Co., may be willing to purchase the securities in secondary market transactions will likely be significantly lower than the original issue price, because secondary market prices will exclude the issuing, selling, structuring and hedging-related costs that are included in the original issue price and borne by you and because the secondary market prices will reflect our secondary market credit spreads and the bid-offer spread that any dealer would charge in a secondary market transaction of this type as well as other factors.

The inclusion of the costs of issuing, selling, structuring and hedging the securities in the original issue price and the lower rate we are willing to pay as issuer make the economic terms of the securities less favorable to you than they otherwise would be.

However, because the costs associated with issuing, selling, structuring and hedging the securities are not fully deducted upon issuance, for a period of up to 6 months following the issue date, to the extent that MS & Co. may buy or sell the securities in the secondary market, absent changes in market conditions, including those related to the underlying indices, and to our secondary market credit spreads, it would do so based on values higher than the estimated value, and we expect that those higher values will also be reflected in your brokerage account statements.

￭The estimated value of the securities is determined by reference to our pricing and valuation models, which may differ from those of other dealers, and is not a maximum or minimum secondary market price. These pricing and valuation models are proprietary and rely in part on subjective views of certain market inputs and certain assumptions about future events, which may prove to be incorrect. As a result, because there is no market-standard way to value these types of securities, our models may yield a higher estimated value of the securities than those generated by others, including other dealers in the market, if they attempted to value the securities. In addition, the estimated value on the pricing date does not represent a minimum or maximum price at which dealers, including MS & Co., would be willing to purchase your securities in the secondary market (if any exists) at any time. The value of your securities at any time after the date of this document will vary based on many factors that cannot be predicted with accuracy, including our creditworthiness and changes in market conditions. See also “The market price will be influenced by many unpredictable factors” above.

August 2024 Page 10

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

￭Hedging and trading activity by our affiliates could potentially affect the value of the securities. One or more of our affiliates and/or third-party dealers expect to carry out hedging activities related to the securities (and to other instruments linked to the underlying indices or their component stocks), including trading in the stocks that constitute the underlying indices as well as in other instruments related to the underlying indices. As a result, these entities may be unwinding or adjusting hedge positions during the term of the securities, and the hedging strategy may involve greater and more frequent dynamic adjustments to the hedge as the final determination date approaches. Some of our affiliates also trade the stocks that constitute the underlying indices and other financial instruments related to the underlying indices on a regular basis as part of their general broker-dealer and other businesses. Any of these hedging or trading activities on or prior to the pricing date could potentially increase the initial index value of an underlying index, and, therefore, could increase (i) the value at or above which such underlying index must close on the determination dates so that the securities are redeemed prior to maturity for the early redemption payment (depending also on the performance of the other underlying indices) and (ii) the downside threshold level for such underlying index, which is the value at or above which such underlying index must close on the final determination date so that you are not exposed to the negative performance of the worst performing underlying index at maturity (depending also on the performance of the other underlying indices). Additionally, such hedging or trading activities during the term of the securities could potentially affect the value of any underlying index on the determination dates, and, accordingly, whether we redeem the securities prior to maturity and the amount of cash you will receive at maturity, if any.

￭The calculation agent, which is a subsidiary of Morgan Stanley and an affiliate of MSFL, will make determinations with respect to the securities. As calculation agent, MS & Co. will determine the initial index values, the call threshold levels, the downside threshold levels, the final index values, whether the securities will be redeemed on any early redemption date and the payment at maturity, if any. Moreover, certain determinations made by MS & Co., in its capacity as calculation agent, may require it to exercise discretion and make subjective judgments, such as with respect to the occurrence or non-occurrence of market disruption events and the selection of a successor index or calculation of an index closing value in the event of a market disruption event or discontinuance of an underlying index. These potentially subjective determinations may affect the payout to you upon an early redemption or at maturity, if any. For further information regarding these types of determinations, see “Description of Auto-Callable Securities—Postponement of Determination Dates,” “—Alternate Exchange Calculation in Case of an Event of Default,” “—Discontinuance of Any Underlying Index; Alteration of Method of Calculation” and “—Calculation Agent and Calculations” in the accompanying product supplement. In addition, MS & Co. has determined the estimated value of the securities on the pricing date.

￭The U.S. federal income tax consequences of an investment in the securities are uncertain. Please read the discussion under “Additional Information – Tax considerations” in this document and the discussion under “United States Federal Taxation” in the accompanying product supplement for auto-callable securities (together, the “Tax Disclosure Sections”) concerning the U.S. federal income tax consequences of an investment in the securities. There is no direct legal authority regarding the proper U.S. federal tax treatment of the securities, and we do not plan to request a ruling from the Internal Revenue Service (the “IRS”). Consequently, significant aspects of the tax treatment of the securities are uncertain, and the IRS or a court might not agree with the tax treatment of a security as a single financial contract that is an “open transaction” for U.S. federal income tax purposes. If the IRS were successful in asserting an alternative treatment of the securities, the tax consequences of the ownership and disposition of the securities, including the timing and character of income recognized by U.S. Holders and the withholding tax consequences to Non-U.S. Holders, might be materially and adversely affected. Moreover, future legislation, Treasury regulations or IRS guidance could adversely affect the U.S. federal tax treatment of the securities, possibly retroactively.

Both U.S. and Non-U.S. Holders should consult their tax advisers regarding the U.S. federal income tax consequences of an investment in the securities, including possible alternative treatments, as well as any tax consequences arising under the laws of any state, local or non-U.S. taxing jurisdiction.

Risks Relating to the Underlying Indices

￭You are exposed to the price risk of each underlying index. Your return on the securities is not linked to a basket consisting of each underlying index. Rather, it will be contingent upon the independent performance of each underlying index. Unlike an instrument with a return linked to a basket of underlying assets, in which risk is mitigated and diversified among all the components of the basket, you will be exposed to the risks related to each underlying index. Poor performance by any underlying index over the term of the securities may negatively affect your return and will not be offset or mitigated by any positive performance by the other underlying indices. To receive an early redemption payment, each underlying index must close at or above its respective call threshold level on the applicable determination date. In addition, if the securities have not been redeemed and any underlying index has declined to below its respective downside threshold level as of the final determination date, you will be fully exposed to the decline in the worst performing underlying index over the term of the securities on a 1-to-1 basis, even if the other underlying indices have appreciated or have not declined as much. Under this scenario, the value of any such payment at maturity will be less than 70% of the stated principal amount and could be zero. Accordingly, your investment is subject to the price risk of each underlying index.

August 2024 Page 11

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

￭The securities are linked to the Russell 2000® Index and are subject to risks associated with small-capitalization companies. As the Russell 2000® Index is one of the underlying indices, and the Russell 2000® Index consists of stocks issued by companies with relatively small market capitalization, the securities are linked to the value of small-capitalization companies. These companies often have greater stock price volatility, lower trading volume and less liquidity than large-capitalization companies and therefore the Russell 2000® Index may be more volatile than indices that consist of stocks issued by large-capitalization companies. Stock prices of small-capitalization companies are also more vulnerable than those of large-capitalization companies to adverse business and economic developments, and the stocks of small-capitalization companies may be thinly traded. In addition, small capitalization companies are typically less well-established and less stable financially than large-capitalization companies and may depend on a small number of key personnel, making them more vulnerable to loss of personnel. Such companies tend to have smaller revenues, less diverse product lines, smaller shares of their product or service markets, fewer financial resources and less competitive strengths than large-capitalization companies and are more susceptible to adverse developments related to their products.

￭Adjustments to the underlying indices could adversely affect the value of the securities. The publisher of each underlying index may add, delete or substitute the component stocks of such underlying index or make other methodological changes that could change the value of such underlying index. Any of these actions could adversely affect the value of the securities. The publisher of each underlying index may also discontinue or suspend calculation or publication of such underlying index at any time. In these circumstances, MS & Co., as the calculation agent, will have the sole discretion to substitute a successor index that is comparable to the discontinued index. MS & Co. could have an economic interest that is different than that of investors in the securities insofar as, for example, MS & Co. is permitted to consider indices that are calculated and published by MS & Co. or any of its affiliates. If MS & Co. determines that there is no appropriate successor index, the determination of whether the securities will be redeemed on any subsequent early redemption date or the payment at maturity, as applicable, will be based on whether the value of such underlying index based on the closing prices of the securities constituting such underlying index at the time of such discontinuance, without rebalancing or substitution, computed by MS & Co. as calculation agent in accordance with the formula for calculating such underlying index last in effect prior to such discontinuance is greater than or equal to the call threshold level or downside threshold level, as applicable (depending also on the performance of the other underlying indices).

August 2024 Page 12

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

Nasdaq-100 Index® Overview

The Nasdaq-100 Index®, which is calculated, maintained and published by Nasdaq, Inc., is a modified capitalization-weighted index of 100 of the largest and most actively traded equity securities of non-financial companies listed on The Nasdaq Stock Market LLC (the “Nasdaq”). The Nasdaq-100 Index® includes companies across a variety of major industry groups. At any moment in time, the value of the Nasdaq-100 Index® equals the aggregate value of the then-current Nasdaq-100 Index® share weights of each of the Nasdaq-100 Index® component securities, which are based on the total shares outstanding of each such Nasdaq-100 Index® component security, multiplied by each such security’s respective last sale price on the Nasdaq (which may be the official closing price published by the Nasdaq), and divided by a scaling factor, which becomes the basis for the reported Nasdaq-100 Index® value. For additional information about the Nasdaq-100 Index®, see the information set forth under “Nasdaq-100 Index®” in the accompanying index supplement.

Information as of market close on August 1, 2024:

The following graph sets forth the daily index closing values of the NDX Index for the period from January 1, 2019 through August 1, 2024. The related table sets forth the published high and low index closing values, as well as the end-of-quarter index closing values, of the NDX Index for each quarter in the same period. The index closing value of the NDX Index on August 1, 2024 was 18,890.39. We obtained the information in the graph and table below from Bloomberg Financial Markets, without independent verification. The historical index closing values of the NDX Index should not be taken as an indication of future performance, and no assurance can be given as to the value of the NDX Index at any time, including on the determination dates.

August 2024 Page 13

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

“Nasdaq®,” “Nasdaq-100®” and “Nasdaq-100 Index®” are trademarks of Nasdaq, Inc. For more information, see “Nasdaq-100 Index®” in the accompanying index supplement.

August 2024 Page 14

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

Dow Jones Industrial AverageSM Overview

The Dow Jones Industrial AverageSM is a price-weighted index composed of 30 common stocks that is published by S&P® Dow Jones Indices LLC, the marketing name and a licensed trademark of CME Group Inc., as representative of the broad market of U.S. industry. For additional information about the Dow Jones Industrial AverageSM, see the information set forth under “Dow Jones Industrial AverageSM” in the accompanying index supplement.

Information as of market close on August 1, 2024:

The following graph sets forth the daily index closing values of the INDU Index for the period from January 1, 2019 through August 1, 2024. The related table sets forth the published high and low index closing values, as well as the end-of-quarter index closing values, of the INDU Index for each quarter in the same period. The index closing value of the INDU Index on August 1, 2024 was 40,347.97. We obtained the information in the graph and table below from Bloomberg Financial Markets, without independent verification. The historical index closing values of the INDU Index should not be taken as an indication of future performance, and no assurance can be given as to the value of the INDU Index at any time, including on the determination dates.

August 2024 Page 15

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

“Dow Jones,” “Dow Jones Industrial Average,” “Dow Jones Indexes” and “DJIA” are service marks of Dow Jones Trademark Holdings LLC. For more information, see “Dow Jones Industrial AverageSM” in the accompanying index supplement.

August 2024 Page 16

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

Russell 2000® Index Overview

The Russell 2000® Index is an index calculated, published and disseminated by FTSE International Limited (“FTSE Russell”), and measures the capitalization-weighted price performance of 2,000 U.S. small-capitalization stocks listed on eligible U.S. exchanges. The Russell 2000® Index is designed to track the performance of the small-capitalization segment of the U.S. equity market. The companies included in the Russell 2000® Index are the middle 2,000 (i.e., those ranked 1,001 through 3,000) of the companies that form the Russell 3000E™ Index. The Russell 2000® Index represents approximately 7% of the U.S. equity market. For additional information about the Russell 2000® Index, see the information set forth under “Russell Indices—Russell 2000® Index” in the accompanying index supplement.

Information as of market close on August 1, 2024:

The following graph sets forth the daily index closing values of the RTY Index for the period from January 1, 2019 through August 1, 2024. The related table sets forth the published high and low index closing values, as well as the end-of-quarter index closing values, of the RTY Index for each quarter in the same period. The index closing value of the RTY Index on August 1, 2024 was 2,186.162. We obtained the information in the graph and table below from Bloomberg Financial Markets, without independent verification. The historical index closing values of the RTY Index should not be taken as an indication of future performance, and no assurance can be given as to the value of the RTY Index at any time, including on the determination dates.

August 2024 Page 17

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

“Russell 2000® Index” and “Russell 3000E™ Index” are trademarks of FTSE Russell. For more information, see “Russell Indices” in the accompanying index supplement.

August 2024 Page 18

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

Additional Terms of the Securities

Please read this information in conjunction with the terms on the front cover of this document.

August 2024 Page 19

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

August 2024 Page 20

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

Additional Information About the Securities

August 2024 Page 21

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

August 2024 Page 22

Morgan Stanley Finance LLC

Jump Securities with Auto-Callable Feature due August 13, 2029

All Payments on the Securities Based on the Worst Performing of the Nasdaq-100 Index®, the Dow Jones Industrial AverageSM and the Russell 2000® Index

Principal at Risk Securities

August 2024 Page 23