================================================================================ 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 811-02183 ---------------------------- MassMutual Corporate Investors (Exact name of registrant as specified in charter) ---------------------------- 1500 Main Street Suite 600 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, 2005 - June 30, 2006 ================================================================================ ITEM 1. PROXY VOTING RECORD. PEPSIAMERICAS, INC. Ticker: PAS Security ID: 71343P200 Meeting Date: APR 27, 2006 Meeting Type: Annual Record Date: MAR 2, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director Herbert M. Baum For None Management 1.2 Elect Director Richard G. Cline For None Management 1.3 Elect Director Pierre S. DuPont For None Management 1.4 Elect Director Archie R. Dykes For None Management 1.5 Elect Director Jarobin Gilbert, Jr. For None Management 1.6 Elect Director James R. Kackley For None Management 1.7 Elect Director Matthew M. McKenna For None Management 1.8 Elect Director Robert C. Pohlad For None Management 2 Ratify Auditors For None Management 3 Require a Majority Vote for the Election Against None Shareholder of Directors ----------------------------------------------------------------------------------------- RENT-WAY, INC. Ticker: RWY Security ID: 76009U104 Meeting Date: MAR 8, 2006 Meeting Type: Annual Record Date: JAN 20, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director William Lerner For For Management 1.2 Elect Director Marc W. Joseffer For For Management 1.3 Elect Director Jacqueline E. Woods For For Management 2. Approve Omnibus Stock Plan For For Management 3. Ratify Auditors For For Management ----------------------------------------------------------------------------------------- SUPREME INDUSTRIES, INC. Ticker: STS Security ID: 868607102 Meeting Date: MAY 4, 2006 Meeting Type: Annual Record Date: MAR 24, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director Arthur M. Borden For None Management 1.2 Elect Director Mark C. Neilson For None Management 1.3 Elect Director William C. Hurtt, Jr. For None Management 2 Amend Omnibus Stock Plan For None Management 3 Ratify Auditors For None Management ---------------------------------------------------------------------------------------- THERAVANCE INC Ticker: THRX Security ID: 88338T104 Meeting Date: APR 26, 2006 Meeting Type: Annual Record Date: MAR 1, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director P. Roy Vagelos, M.D. For None Management 1.2 Elect Director Rick E. Winningham For None Management 1.3 Elect Director Julian C. Baker For None Management 1.4 Elect Director Jeffrey M. Drazan For None Management 1.5 Elect Director R.V. Gunderson, Jr. For None Management 1.6 Elect Director Arnold J. Levine, Ph.D. For None Management 1.7 Elect Director Ronn C. Loewenthal For None Management 1.8 Elect Director Eve E. Slater, M.D. For None Management 1.9 Elect Director William H. Waltrip For None Management 1.10 Elect Director G.M. Whitesides, Ph.D. For None Management 1.11 Elect Director William D. Young For None Management 2. Ratify Auditors For None 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 Corporate Investors ------------------------------ By (Signature and Title)* /s/ Clifford M. Noreen ---------------------- Clifford M. Noreen, President Date: August 28, 2006 --------------- * Print the name and title of each signing officer under his or her signature.