SCHEDULE 14A INFORMATION

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE

SECURITIES EXCHANGE ACT OF 1934

(AMENDMENT NO.    )

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¨ Soliciting Material Pursuant to §240.14a-12

Cash Reserve Fund, Inc. DWS Advisor Funds III DWS Equity Partners Fund, Inc. DWS Investments Trust DWS Value Builder Fund, Inc. DWS Advisor Funds DWS Communications Fund, Inc. DWS Institutional Funds DWS Investors Funds, Inc.

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DWS Funds

Important Proxy News   PLEASE VOTE TODAY!   Dear Shareholder:   Recently, we distributed proxy materials regarding the Special Meeting of Shareholders of the DWS Funds. This meeting, which was originally scheduled for May 5, 2006, has been adjourned with respect to one or more proposals to June 1, 2006 at 4:00 p.m. Eastern time at the offices of Deutsche Asset Management, 345 Park Avenue, New York, NY 10154. To date, our records indicate that we have not received your voting instructions. We are still accepting votes to increase shareholder participation.   After careful consideration, the Board of Trustees of each Trust and the Board of Directors of each Corporation recommend that shareholders of each Fund vote “FOR” each proposal. Your vote is important no matter how many shares you own. We urge you to act promptly in order to allow us to obtain a sufficient number of votes and avoid the cost of additional solicitation. For your convenience, please utilize any of the following methods to submit your vote:   1. By Phone.   Please call Computershare Fund Services toll-free at 866-807-2148. Representatives are available to take your vote Monday through Friday between the hours of 9:00 a.m. and 11:00 p.m. and Saturday from 12:00 p.m. to 6:00 p.m. Eastern time. Please have your proxy card available.   2. By Internet.   Visit www.proxyweb.com and follow the simple on-screen instructions.   3. By Touch-Tone Phone.   Dial the toll-free number found on your proxy card and follow the simple instructions.   4. By Mail.   Simply return your executed proxy card in the envelope provided. However, please try to utilize one of the three options above to register your vote, so it may be received in time for the meeting.

WE NEED YOUR HELP. PLEASE VOTE TODAY!

ADJ1REGEYE95

DWS Funds

Important Proxy News   PLEASE VOTE TODAY!   Dear Shareholder:   Recently, we distributed proxy materials regarding the Special Meeting of Shareholders of the DWS Funds. This meeting, which was originally scheduled for May 5, 2006, has been adjourned with respect to one or more proposals to June 1, 2006 at 4:00 p.m. Eastern time at the offices of Deutsche Asset Management, 345 Park Avenue, New York, NY 10154. To date, our records indicate that we have not received your voting instructions. We are still accepting votes to increase shareholder participation.   After careful consideration, the Board of Trustees of each Trust and the Board of Directors of each Corporation recommend that shareholders of each Fund vote “FOR” each proposal. Your vote is important no matter how many shares you own. We urge you to act promptly in order to allow us to obtain a sufficient number of votes and avoid the cost of additional solicitation. For your convenience, please utilize any of the following methods to submit your vote:   1. By Phone.   Please call Computershare Fund Services toll-free at 866-807-2148. Representatives are available to take your vote Monday through Friday between the hours of 9:00 a.m. and 11:00 p.m. and Saturday from 12:00 p.m. to 6:00 p.m. Eastern time. Please have your proxy card available.   2. By Internet.   Visit www.proxyvote.com and follow the simple on-screen instructions.   3. By Touch-Tone Phone.   Dial the toll-free number found on your proxy card and follow the simple instructions.   4. By Mail.   Simply return your executed proxy card in the envelope provided. However, please try to utilize one of the above options to register your vote, so it may be received in time for the meeting.

WE NEED YOUR HELP. PLEASE VOTE TODAY!

ADJ1BEN_NOBO

DWS Funds

Important Proxy News   PLEASE VOTE TODAY!   Dear Shareholder:   Recently, we distributed proxy materials regarding the Special Meeting of Shareholders of the DWS Funds. This meeting, which was originally scheduled for May 5, 2006, has been adjourned with respect to one or more proposals to June 1, 2006 at 4:00 p.m. Eastern time at the offices of Deutsche Asset Management, 345 Park Avenue, New York, NY 10154. To date, our records indicate that we have not received your voting instructions. We are still accepting votes to increase shareholder participation.   After careful consideration, the Board of Trustees of each Trust and the Board of Directors of each Corporation recommend that shareholders of each Fund vote “FOR” each proposal. Your vote is important no matter how many shares you own. We urge you to act promptly in order to allow us to obtain a sufficient number of votes and avoid the cost of additional solicitation. For your convenience, please utilize any of the following methods to submit your vote:   1. By Phone.   Please call Computershare Fund Services toll-free at 866-807-2148. Representatives are available to answer your questions Monday through Friday between the hours of 9:00 a.m. and 11:00 p.m. and Saturday from 12:00 p.m. to 6:00 p.m. Eastern time. Please have your proxy card available.   2. By Internet.   Visit www.proxyvote.com and follow the simple on-screen instructions.   3. By Touch-Tone Phone.   Dial the toll-free number found on your proxy card and follow the simple instructions.   4. By Mail.   Simply return your executed proxy card in the envelope provided. However, please try to utilize one of the above options to register your vote, so it may be received in time for the meeting.

WE NEED YOUR HELP. PLEASE VOTE TODAY!

ADJ1BEN_OBO