T. Rowe Price U.S. Treasury Long-Term Index Fund

The fund seeks to provide a total return that matches or incrementally exceeds the performance of the long-term U.S. Treasury bond market by providing total returns that match or incrementally exceed the total returns of the Bloomberg U.S. Long Treasury Bond Index (Index). It will invest at least 80% of its net assets in securities that are held in the index and at least 80% of its net assets (plus any borrowings for investment purposes) in U.S. treasury securities, which are backed by the full faith and credit of the U.S. government.