Statement of Additional Information - American Funds Mortgage Fund

Unless otherwise noted, all references in the following pages to Class A, B, C or F-1 shares also refer to the correspondingClass 529-A, 529-B, 529-C or 529-F-1 shares. Class 529 shareholders should also refer to the applicable program descriptionfor information on policies and services specifically relating to these accounts. Shareholders holding shares through aneligible retirement plan should contact their plan’s administrator or recordkeeper for information regarding purchases, salesand exchanges.Purchase and exchange of sharesPurchases by individuals — As described in the prospectus, you may generally open an account and purchase fund shares bycontacting a financial adviser or investment dealer authorized to sell the fund’s shares. You may make investments by any of thefollowing means:Contacting your financial adviser — Deliver or mail a check to your financial adviser.By mail — For initial investments, you may mail a check, made payable to the fund, directly to the address indicated on theaccount application. Please indicate an investment dealer on the account application. You may make additional investmentsby filling out the “Account Additions” form at the bottom of a recent transaction confirmation and mailing the form, along with acheck made payable to the fund, using the envelope provided with your confirmation.The amount of time it takes for us to receive regular U.S. postal mail may vary and there is no assurance that we will receivesuch mail on the day you expect. Mailing addresses for regular U.S. postal mail can be found in the prospectus. To sendinvestments or correspondence to us via overnight mail or courier service, use either of the following addresses:American Funds12711 North Meridian StreetCarmel, IN 46032-9181American Funds5300 Robin Hood Rd.Norfolk, VA 23513-2407By telephone — Using the American FundsLine. Please see the “Shareholder account services and privileges” section of thisstatement of additional information for more information regarding this service.By Internet — Using americanfunds.com. Please see the “Shareholder account services and privileges” section of thisstatement of additional information for more information regarding this service.By wire — If you are making a wire transfer, instruct your bank to wire funds to:Wells Fargo BankABA Routing No. 121000248Account No. 4600-076178Page 50