To maximize total return consistent with prudent investment management and liquidity needs.

The following table describes the fees and expenses that you will incur if you buy, hold and sell shares of the Fund. You may also incur other fees, such as usual and customary brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and the Example that follows.

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then sell all of your shares at the end of the period. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

The Fund invests in a portfolio comprised of debt instruments and fixed income securities of various maturities. As used in the Fund’s name, the Fund defines “bonds” as debt and fixed income securities of all types. Under normal market conditions, the Fund will seek its investment objective by investing at least 80% of its net assets, including the amount of borrowing for investment purposes, if any, in debt and fixed income securities (Principal Investments). Securities that have economic characteristics and provide investment exposure similar to debt and fixed income securities will be counted towards the Fund’s 80% investment policy. As part of its 80% policy, the Fund intends to invest in derivatives that (i) provide exposure to the Principal Investments, (ii) are used to risk manage the Fund’s holdings, and/or (iii) are used to enhance returns. The risk management uses of derivatives will include managing (i) investment-related risks, (ii) risks due to fluctuations in securities prices or interest rates, (iii) risks due to the credit-worthiness of an issuer, and (iv) the effective duration of the Fund’s portfolio.

The types of derivatives in which the Fund will invest include swaps and security-based swaps, futures and options on futures, swaptions and security options. The Fund may also hold U.S. Treasury securities, cash and cash equivalents. Although the Fund may invest in debt and fixed income securities of any maturity, under normal market conditions, the target dollar-weighted average effective duration for the Fund is expected to range within 20% of the average duration of the domestic bond market as a whole as estimated by the sub-advisor (generally, this range is 3-7 years). Effective duration seeks to measure the expected sensitivity of market price to changes in interest rates, taking into account the anticipated effects of structural complexities (for example, some bonds can be prepaid by the issuer).

The types of fixed income securities in which the Fund may invest include corporate debt securities, U.S. and non-U.S. government securities, asset-backed securities (“ABS”), mortgage-backed securities (“MBS”) (including commercial MBS (“CMBS”), residential MBS (“RMBS”) and non-agency collateralized mortgage obligations (“CMOs”)), collateralized debt obligations (“CDOs”) and mortgage dollar rolls. The fixed income securities and debt instruments in which the Fund may invest may pay fixed, variable or floating rates of interest. The Fund will not invest more than 10% of the Fund’s total assets in CDOs. The Fund will also not invest more than 20% of its total assets in bank loans including junior loans (e.g., debt instruments that are unsecured and subordinated).

The Fund may also invest in credit-linked securities. Credit-linked securities, which may be considered to be a type of structured investment, are debt securities that represent an interest in a pool of, or are otherwise collateralized by, one or more corporate debt obligations or credit default swaps on corporate debt or bank loan obligations.

The Fund may invest up to 20% of its assets in below investment grade fixed income securities or debt instruments. For these purposes, “investment grade” is defined as investments with a rating at the time of purchase in one of the four highest categories of at least one nationally recognized statistical rating organization (“NRSRO”) (e.g., BBB- or higher or Baa3 or higher) or, if unrated, securities of comparable quality at the time of purchase (as determined by the sub-advisor). Securities rated below investment grade (e.g., BB+ to D or Baa1 to C) or, if unrated, securities of comparable quality at the time of purchase (as determined by the sub-advisor) are commonly known as “junk bonds” or “high yield securities.”

The Fund may invest in securities issued by both U.S. and non-U.S. issuers (including issuers in emerging markets) but the Fund will not invest more than 25% of its total assets in the securities or debt instruments of non-U.S. issuers. The Fund presently intends to limit its investments to U.S. dollar denominated securities.

The Fund may engage in active and frequent trading as part of its investment strategies.

The Fund may also hold equity securities of any type acquired in reorganizations of issuers of fixed income securities or debt instruments (“work out securities”), non-convertible preferred securities, warrants and exchange-traded funds (“ETFs”).

Western Asset’s investment process combines top-down and bottom-up analyses. The Fund’s portfolio managers, with support from a broad investment management team (collectively, the “Investment Professionals”) conduct bottom-up fundamental research and provide input into the top-down perspectives. This top-down view translates into a set of strategies regarding duration, yield curve, country, currency and sector. The Investment Professionals provide fundamental analysis at sector and subsector levels. The Investment Professionals use a security-specific process in order to assess whether securities are mispriced or undervalued in their opinion and select securities for the Fund’s portfolio. The Investment Professionals also conduct an ongoing assessment of changing credit characteristics and of securities with characteristics such as assets perceived to be overlooked or under-appreciated, floating or fixed interest rates, credit quality and securities issued in mergers, as well as newly-issued securities. Using sector and issue analyses, the Investment Professionals select issues opportunistically in order to exploit perceived mispricings versus long-term fundamental value that exist in the market. The subadviser monitors a broad set of factors that may prompt it to consider selling or reducing a position focused on the risk/reward characteristics of a credit.

The following bar chart and table provide some indication of the risks of investing in the Fund. The bar chart shows changes in the Fund's performance from year to year. The table shows how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You can obtain updated performance information at www.franklintempleton.com or by calling (800) DIAL BEN/342-5236.

Interest Rate: When interest rates rise, debt security prices generally fall. The opposite is also generally true: debt security prices rise when interest rates fall. Interest rate changes are influenced by a number of factors, including government policy, monetary policy, inflation expectations, perceptions of risk, and supply of and demand for bonds. In general, securities with longer maturities or durations are more sensitive to interest rate changes.

Mortgage Securities and Asset-Backed Securities: Mortgage securities differ from conventional debt securities because principal is paid back periodically over the life of the security rather than at maturity. The Fund may receive unscheduled payments of principal due to voluntary prepayments, refinancings or foreclosures on the underlying mortgage loans. Because of prepayments, mortgage securities may be less effective than some other types of debt securities as a means of "locking in" long-term interest rates and may have less potential for capital appreciation during periods of falling interest rates. A reduction in the anticipated rate of principal prepayments, especially during periods of rising interest rates, may increase or extend the effective maturity and duration of mortgage securities, making them more sensitive to interest rate changes, subject to greater price volatility, and more susceptible than some other debt securities to a decline in market value when interest rates rise.

Issuers of asset-backed securities may have limited ability to enforce the security interest in the underlying assets, and credit enhancements provided to support the securities, if any, may be inadequate to protect investors in the event of default. Like mortgage securities, asset-backed securities are subject to prepayment and extension risks.

Income: The Fund's distributions to shareholders may decline when prevailing interest rates fall, when the Fund experiences defaults on debt securities it holds or when the Fund realizes a loss upon the sale of a debt security.

Extension: Some debt securities are subject to the risk that the debt security’s effective maturity is extended because calls or prepayments are less or slower than anticipated, particularly when interest rates rise. The market value of such security may then decline and become more interest rate sensitive.

Emerging Market Countries: The Fund’s investments in emerging market issuers are subject to all of the risks of foreign investing generally, and have additional heightened risks due to a lack of established legal, political, business and social frameworks to support securities markets, including: delays in settling portfolio securities transactions; currency and capital controls; greater sensitivity to interest rate changes; pervasiveness of corruption and crime; currency exchange rate volatility; and inflation, deflation or currency devaluation.

Impairment of Collateral: The value of collateral securing a loan or other corporate debt security may decline after the Fund invests and there is a risk that the value of the collateral may not be sufficient to cover the amount owed to the Fund, or the collateral securing a loan may be found invalid, may be used to pay other outstanding obligations of the borrower under applicable law or may be difficult to sell.

When-Issued and Delayed Delivery Transactions: Mortgage-backed securities may be issued on a when-issued or delayed delivery basis, where payment and delivery take place at a future date. Because the market price of the security may fluctuate during the time before payment and delivery, the Fund assumes the risk that the value of the security at delivery may be more or less than the purchase price.

Variable Rate Securities: Because changes in interest rates on variable rate securities (including floating rate securities) may lag behind changes in market rates, the value of such securities may decline during periods of rising interest rates until their interest rates reset to market rates. During periods of declining interest rates, because the interest rates on variable rate securities generally reset downward, their market value is unlikely to rise to the same extent as the value of comparable fixed rate securities.

Cash/Cash Equivalents: To the extent the Fund holds cash or cash equivalents rather than securities in which it primarily invests or uses to manage risk, the Fund may not achieve its investment objectives and may underperform.

Cybersecurity: Cybersecurity incidents, both intentional and unintentional, may allow an unauthorized party to gain access to Fund assets, Fund or customer data (including private shareholder information), or proprietary information, cause the Fund, the investment manager, the sub-advisor, authorized participants, or index providers (as applicable) and listing exchanges, and/or their service providers (including, but not limited to, Fund accountants, custodians, sub-custodians, transfer agents and financial intermediaries) to suffer data breaches, data corruption or loss of operational functionality or prevent Fund investors from purchasing redeeming shares or receiving distributions. The investment manager and the sub-advisor have limited ability to prevent or mitigate cybersecurity incidents affecting third party service providers, and such third party service providers may have limited indemnification obligations to the Fund, the investment manager or the sub-advisor. Cybersecurity incidents may result in financial losses to the Fund and its shareholders, and substantial costs may be incurred in an effort to prevent or mitigate future cybersecurity incidents. Issuers of securities in which the Fund invests are also subject to cybersecurity risks, and the value of these securities could decline if the issuers experience cybersecurity incidents.

Because technology is frequently changing, new ways to carry out cyber attacks are always developing. Therefore, there is a chance that some risks have not been identified or prepared for, or that an attack may not be detected, which puts limitations on the Fund's ability to plan for or respond to a cyber attack. Like other

funds and business enterprises, the Fund, the investment manager, the sub-advisor, and their service providers are subject to the risk of cyber incidents occurring from time to time.

Authorized Participant Concentration: Only an Authorized Participant may engage in creation or redemption transactions directly with the Fund. "Authorized Participants" are broker-dealers that are permitted to create and redeem shares directly with the Fund and who have entered into agreements with the Fund’s distributor. The Fund has a limited number of institutions that act as Authorized Participants. To the extent that these institutions exit the business or are unable to proceed with creation and/or redemption orders with respect to the Fund and no other Authorized Participant is able to step forward to create or redeem Creation Units (as defined below), Fund shares may trade at a discount to NAV and possibly face trading halts and/or delisting. This risk may be more pronounced in volatile markets, potentially where there are significant redemptions in ETFs generally.

Small Fund: When the Fund's size is small, the Fund may experience low trading volume and wide bid-ask spreads. In addition, the Fund may face the risk of being delisted if the Fund does not meet certain conditions of the listing exchange.