================================================================================ 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 811-05531 ------------------- MassMutual Participation Investors (Exact name of registrant as specified in charter) ------------------- 1500 Main Street Suite 1100 Springfield, MA 01115 (Address of principal executive offices) (Zip code) -------------------------------------------------------------------------------- Rodney J. Dillman, Vice President and Secretary 1500 Main Street, Suite 2800, Springfield, MA 01115 -------------------------------------------------------------------------------- (name and address of agent for service) Registrant's telephone number, including area code: 413-226-1000 Date of fiscal year end: December 31 Date of reporting period: July 1, 2006 - June 30, 2007 ================================================================================ ITEM 1. PROXY VOTING RECORD DIRECTED ELECTRONICS, INC. Ticker: DEIX Security ID: 254575103 Meeting Date: JUN 8, 2007 Meeting Type: Annual Record Date: APR 20, 2007 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director Victor J. Orler For For Management 1.2 Elect Director S. James Spierer For For Management 2. Amend Omnibus Stock Plan For For Management 3. Ratify Auditors For For Management -------------------------------------------------------------------------------- SIGNATURES [See General Instruction F] 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) MassMutual Participation Investors By (Signature and Title)* /s/ Clifford M. Noreen -------------------------------- Clifford M. Noreen, President Date: August 27, 2007 -------------------- * Print the name and title of each signing officer under his or her signature.