UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-PX ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-21914 RIVERSOURCE SHORT TERM INVESTMENTS SERIES, INC. (Exact name of registrant as specified in charter) 50606 Ameriprise Financial Center, Minneapolis, MN 55474 (Address of principal executive offices) (Zip code) Scott R. Plummer - 5228 Ameriprise Financial Center, Minneapolis, MN 55474 (Name and address of agent for service) Registrant's telephone number, including area code: (612) 671-1947 Date of fiscal year end: 7/31 Date of reporting period: 7/1/09-6/30/10 ******************************* FORM N-Px REPORT ******************************* ICA File Number: 811-21914 Reporting Period: 07/01/2009 - 06/30/2010 RiverSource Short Term Investments Series, Inc. ======================= RiverSource Short-Term Cash Fund ======================= There is no proxy voting activity for the fund, as the fund did not hold any votable positions during the reporting period. ========== END NPX REPORT SIGNATURES Pursuant to the requirements of the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. (Registrant) RiverSource Short Term Investments Series, Inc. By (Signature and Title)* /s/ J. Kevin Connaughton ---------------------------------------- J. Kevin Connaughton President Date August 23, 2010 * Print the name and title of each signing officer under his or her signature.