================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ----------------- FORM N-PX ----------------- ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT INVESTMENT COMPANIES Investment Company Act file number 811-09537 ----------------- MFS CALIFORNIA MUNICIPAL FUND (Exact name of registrant as specified in charter) ----------------- 111 Huntington Avenue, Boston, Massachusetts 02199 (Address of principal executive offices) (Zip code) ----------------- Christopher R. Bohane Massachusetts Financial Services Company 111 Huntington Avenue Boston, Massachusetts 02199 (Name and address of agents for service) Registrant's telephone number, including area code: (617) 954-5000 ----------------- Date of fiscal year end: November 30 Date of reporting period: July 1, 2016 - June 30, 2017 ================================================================================ ITEM 1. PROXY VOTING RECORD. ******************************* FORM N-Px REPORT ******************************* ICA File Number: 811-09537 Reporting Period: 07/01/2016 - 06/30/2017 MFS California Municipal Fund ======================== MFS California Municipal Fund ========================= COMMONWEALTH OF PUERTO RICO Ticker: Security ID: 745145ZB1 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- MFS SERIES TRUST XIV - MFS INSTITUTIONAL MONEY MARKET PORTFOLIO Ticker: Security ID: 55291X109 Meeting Date: MAR 23, 2017 Meeting Type: Written Consent Record Date: # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director Steven E. Buller For For Management 1.2 Elect Director John A. Caroselli For For Management 1.3 Elect Director Maureen R. Goldfarb For For Management 1.4 Elect Director David H. Gunning For For Management 1.5 Elect Director Michael Hegarty For For Management 1.6 Elect Director John P. Kavanaugh For For Management 1.7 Elect Director Robert J. Manning For For Management 1.8 Elect Director Clarence Otis, Jr. For For Management 1.9 Elect Director Maryanne L. Roepke For For Management 1.10 Elect Director Robin A. Stelmach For For Management 1.11 Elect Director Laurie J. Thomsen For For Management -------------------------------------------------------------------------------- PUERTO RICO COMWLTH REF-PUB IMPT Ticker: Security ID: 74514LVU8 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO ELECTRIC POWER AUTHORITY Ticker: Security ID: 74526QEY4 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO ELECTRIC POWER AUTHORITY Ticker: Security ID: 74526QLW0 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO ELECTRIC POWER AUTHORITY Ticker: Security ID: 74526QPQ9 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO ELECTRIC POWER AUTHORITY Ticker: Security ID: 74526QZC9 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO ELECTRIC POWER AUTHORITY Ticker: Security ID: 74526QZJ4 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO HIGHWAY & TRANSPORTATION AUTHORITY Ticker: Security ID: 7451902B3 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO HIGHWAY & TRANSPORTATION AUTHORITY Ticker: Security ID: 7451903P1 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO HIGHWAY & TRANSPORTATION AUTHORITY Ticker: Security ID: 745190UP1 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO HIGHWAY & TRANSPORTATION AUTHORITY Ticker: Security ID: 745190UQ9 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO HIGHWAY & TRANSPORTATION AUTHORITY Ticker: Security ID: 745190ZP6 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO HIGHWAY & TRANSPORTATION AUTHORITY Ticker: Security ID: 745266BC9 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO INDL TOURIST EDL MED & ENVIRONMENTAL CTL FACS F Ticker: Security ID: 74528NAU1 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry -------------------------------------------------------------------------------- PUERTO RICO INFRASTRUCTURE FING AUTH SPL TAX REVENUE Ticker: Security ID: 745220FP3 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO INFRASTRUCTURE FING AUTH SPL TAX REVENUE Ticker: Security ID: 745220FR9 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO INFRASTRUCTURE FING AUTH SPL TAX REVENUE Ticker: Security ID: 745220FS7 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO PUB BLDGS AUTH REVGTD Ticker: Security ID: 745235B75 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO PUB BLDGS AUTH REVGTD Ticker: Security ID: 745235TJ0 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO PUB BLDGS AUTH REVGTD Ticker: Security ID: 745235TK7 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO SALES TAX FING CORP SALES TAX REV Ticker: Security ID: 74529JAH8 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. -------------------------------------------------------------------------------- PUERTO RICO SALES TAX FING CORP SALES TAX REV Ticker: Security ID: 74529JNU5 Meeting Date: MAR 30, 2017 Meeting Type: Written Consent Record Date: NOV 17, 2016 # Proposal Mgt Rec Vote Cast Sponsor 1 By Marking For I Direct The None For Management Institution Holding My Bonds to Transmit and Confirm My Bond Holding Information for Recording In The Registry. By Marking Against My Bonds Shall Be Missing From The Registry. ========== 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: MFS CALIFORNIA MUNICIPAL FUND By (Signature and Title): David DiLorenzo* ------------------------------------------- David DiLorenzo, President and Principal Executive Officer Date: August 28, 2017 *By (Signature and Title) /s/ Susan A. Pereira ------------------------------------------- Susan A. Pereira, as attorney-in-fact * Executed by Susan A. Pereira on behalf of David DiLorenzo pursuant to a Power of Attorney dated June 1, 2017. (1) (1) Incorporated by reference to MFS Series Trust XIII (File Nos. 2-74959 and 811-03327) Post-Effective Amendment No. 65 filed with the SEC via EDGAR on June 27, 2017.