Nuveen Short Term Bond Index Retire (TIAA-CREF Short-Term Bond Index) fond

The fund invests at least 80% of its assets in bonds within its benchmark and portfolio tracking index, the Bloomberg U.S. 1-3 Year Government/Credit Bond Index. It uses a sampling technique to create a portfolio that closely matches the overall investment characteristics of the index (for example, duration, sector diversification and credit quality) without investing in all of the securities in the index.