SUPPLEMENT TO THE CURRENTLY EFFECTIVE STATEMENT OF ADDITIONAL INFORMATION

OF THE LISTED FUND:

DWS RREEF Global Real Estate Securities Fund

The following information supplements similar disclosure contained in APPENDIX I-D – PORTFOLIO MANAGEMENTunder the headings “Fund Ownership of Portfolio Managers” and “Conflicts of Interest” in Part I of the Fund’s Statement of Additional Information:

The information for William Leung currently contained in the above-noted sections of the Fund’s Statement of Additional Information is hereby removed.

Fund Ownership of Portfolio Managers

The following table shows the dollar range of shares owned beneficially and of record by the portfolio management team for the fund as well as in all US registered DWS Funds as a group (i.e., those funds advised by Deutsche Asset Management or its affiliates), including investments by their immediate family members sharing the same household and amounts invested through retirement and deferred compensation plans. This information is provided as of July 31, 2012.

Name of Portfolio Manager	Dollar Range of Fund Shares Owned	Dollar Range of All DWS Fund Shares Owned
Chris Robinson	$0	$0

Conflicts of Interest

In addition to managing the assets of the fund, a portfolio manager may have responsibility for managing other client accounts of the Advisor or its affiliates. The tables below show, per portfolio manager, the number and asset size of (1) SEC registered investment companies (or series thereof) other than the fund, (2) pooled investment vehicles that are not registered investment companies and (3) other accounts (e.g., accounts managed for individuals or organizations) managed by a portfolio manager. Total assets attributed to a portfolio manager in the tables below include total assets of each account managed, although a portfolio manager may only manage a portion of such account’s assets. The tables also show the number of performance based fee accounts, as well as the total assets of the accounts for which the advisory fee is based on the performance of the account. This information is provided as of July 31, 2012.

Other SEC Registered Investment Companies Managed:

Name of Portfolio Manager	Number of  Registered Investment Companies	Total Assets of Registered Investment Companies	Number of Investment Company Accounts with Performance-Based Fee	Total Assets of Performance- Based Fee Accounts
Chris Robinson	0	$0	0	$0

September 10, 2012

SAISTKR-70

Other Pooled Investment Vehicles Managed:

Name of Portfolio Manager	Number of Pooled Investment Vehicles	Total Assets of Pooled Investment Vehicles	Number of Pooled Investment Vehicle Accounts with Performance-Based Fee	Total Assets of Performance- Based Fee Accounts
Chris Robinson	0	$0	0	$0

Other Accounts Managed:

Name of Portfolio Manager	Number of Other Accounts	Total Assets of Other Accounts	Number of Other Accounts with Performance- Based Fee	Total Assets of Performance- Based Fee Accounts
Chris Robinson	0	$0	0	$0

Please Retain This Supplement for Future Reference

September 10, 2012