497 1 ss_saistkr-350.txt DEUTSCHE CROCI SECTOR OPPORTUNITIES FUND SUPPLEMENT TO THE CURRENTLY EFFECTIVE STATEMENTS OF ADDITIONAL INFORMATION -------- Deutsche CROCI (Reg. TM) Sector Opportunities Fund All references and disclosure in the fund's currently effective Statements of Additional Information to the fund's status as a non-diversified fund are hereby deleted. The following replaces related disclosure in the "INVESTMENT RESTRICTIONS" section of the fund's Statements of Additional Information Part I: The fund has elected to be classified as a diversified series of an open-end management investment company. A diversified fund may not, with respect to 75% of total assets, invest more than 5% of total assets in the securities of a single issuer (other than cash and cash items, US government securities or securities of other investment companies) or invest in more than 10% of the outstanding voting securities of such issuer. A fund's election to be classified as diversified under the 1940 Act may not be changed without the vote of a majority of the outstanding voting securities (as defined herein) of the fund. Please Retain This Supplement for Future Reference June 5, 2017 SAISTKR-350 Deutsche Asset Management [DB Logo]