MASSMUTUAL SELECT DIVERSIFIED INTERNATIONAL FUND CLASS R3 (MMZTX) Exchange: NMFQS

DELISTED - The Fund invests primarily in equity securities from developed countries included in the MSCI EAFE Value Index (the “Index”), which is the Fund’s benchmark. As of December 31, 2016, the Index consisted of the following 21 developed market country indices: Australia, Austria, Belgium, Denmark, Finland, France, Germany, Hong Kong, Ireland, Israel, Italy, Japan, the Netherlands, New Zealand, Norway, Portugal, Singapore, Spain, Sweden, Switzerland, and the United Kingdom. The Fund may invest up to 15% of its total assets in equity securities of issuers in emerging markets countries. The Fund typically does not invest in U.S. companies. The Fund may invest a substantial part of its assets in just one region or country.Equity securities in which the Fund invests may include common stocks, preferred stocks, securities convertible into common or preferred stock, depositary receipts, rights and warrants to buy common stocks, and privately placed securities.The Fund pursues a value style when selecting investments for purchase. While focusing primarily on larger cap securities, on occasion, the Fund may purchase small/mid cap investments. The Fund may invest in securities denominated in U.S. dollars, major reserve currencies, and currencies of other countries in which it can invest.The Fund may but will not necessarily engage in foreign currency forward contracts to seek to hedge or to attempt to protect against adverse changes in currency exchange rates. The Fund may use futures contracts as a substitute for direct investments. Use of derivatives by the Fund may create investment leverage. The Fund may hold a portion of its assets in cash or cash equivalents.In choosing stocks for the Fund, the Fund’s subadviser, J.P. Morgan Investment Management Inc. (“J.P. Morgan”), uses fundamental research to estimate the future earnings of companies, including cash flows and dividends. J.P. Morgan relates those earnings to the current share price to rank companies within industries from most to least attractive. J.P. Morgan then buys and sells stocks, using the research and valuation rankings, as well as its assessment of other factors, including:value characteristics such as low price to book and price to earnings ratios;catalysts that could trigger a change in a stock’s price;potential reward compared to potential risk; andtemporary mispricings caused by market overreactions.