Why invest in this Fund?

The fund seeks returns that exceed the rate of inflation.

Accordingly, the fund normally invests at least 80% of its assets in inflation-indexed securities. These are fixed-income securities designed to protect investors from a loss of value due to inflation by periodically adjusting their principal and/or coupon according to the rate of inflation. The fund primarily invests in high-quality U.S. dollar-denominated inflation-indexed securities. However, the fund may invest in foreign currency-denominated inflation-protected securities and other fixed-income securities not adjusted for inflation. The fund seeks to keep the average effective duration of its portfolio at two to ten years.

Morningstar Rating™ as of April 30, 2020 for the Investor Shares class shares; other classes may have different performance characteristics. Overall rating for the Inflation-Protected Bond category. Fund ratings are out of 5 Stars: Overall 2 Stars (196 funds rated); 3 Yrs. 2 Stars (196 funds rated); 5 Yrs. 2 Stars (167 funds rated); 10 Yrs. 2 Stars (114 funds rated). The Morningstar Rating™ for funds, or "star rating", is calculated for managed products with at least a 3-year history. It is calculated based on a Morningstar Risk-Adjusted Return measure that accounts for variation in a managed product's monthly excess performance (not including the effects of sales charges, loads and redemption fees if applicable), placing more emphasis on downward variations and rewarding consistent performance. Managed products; including open-end mutual funds, closed-end funds and exchange-traded funds; are considered a single population for comparative purposes. The top 10% of products in each product category receive 5 stars, the next 22.5% receive 4 stars, the next 35% receive 3 stars, the next 22.5% receive 2 stars, and the bottom 10% receive 1 star. The Overall Morningstar Rating for a managed product is derived from a weighted average of the performance figures associated with its 3-, 5-, and 10-year (if applicable) Morningstar Rating metrics. ©2018 Morningstar, Inc. All rights reserved. The information contained herein: (1) is proprietary to Morningstar and/or its content providers; (2) may not be copied or distributed; and (3) is not warranted to be accurate, complete, or timely. Neither Morningstar nor its content providers are responsible for any damages or losses arising from any use of this information. Past performance is no guarantee of future results. The fund represents a single portfolio with multiple share classes that have different expense structures. Other share classes may have achieved different results.