UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 8, 2005 -------------------------------- J.P. Morgan Chase Commercial Mortgage Securities Corp. -------------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) New York 333-118975 13-3789046 -------------------------------------------------------------------------------- (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 270 Park Avenue New York, New York 10017 -------------------------------------------------------------------------------- (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code (212) 834-9280 ------------------------------ (Former name or former address, if changed since last report.) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Item 8.01. Other Events. Attached as Exhibit 99 are Structural and Collateral Term Sheets (as defined in the no-action letter issued by the staff of the Securities and Exchange Commission on February 17, 1995, to the Public Securities Association) furnished to the Registrant by J.P. Morgan Securities Inc., CIBC World Markets Corp. and Banc of America Securities LLC (the "Underwriters") in respect of the Registrant's proposed offering of certain classes of the Commercial Mortgage Pass-Through Certificates, Series 2005-CIBC12 (the "Offered Certificates"). The Offered Certificates will be offered pursuant to a Prospectus and related Prospectus Supplement (together, the "Prospectus"), which will be filed with the Commission pursuant to Rule 424 under the Securities Act of 1933, as amended (the "Act"). The Offered Certificates will be registered pursuant to the Act under the Registrant's Registration Statement on Form S-3 (No. 333-118975) (the "Registration Statement"). The Registrant hereby incorporates the Structural and Collateral Term Sheets by reference in the Registration Statement. The Structural and Collateral Term Sheets were prepared solely by the Underwriters, and the Registrant did not prepare or participate in the preparation of the Structural and Collateral Term Sheets. Item 9.01. Financial Statements, Pro Forma Financial Information and Exhibits (c) Exhibits Item 601(a) of Regulation S-K Exhibit No. Description ----------- ----------- (99) Structural and Collateral Term Sheets prepared by J.P. Morgan Securities Inc., CIBC World Markets Corp. and Banc of America Securities LLC in connection with the J.P. Morgan Chase Commercial Mortgage Securities Corp., Commercial Mortgage Pass-Through Certificates, Series 2005-CIBC12 SIGNATURE --------- Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: July 8, 2005 J.P. MORGAN CHASE COMMERCIAL MORTGAGE SECURITIES CORP. By: /S/ Dennis G. Schuh ------------------------------ Name: Dennis G. Schuh Title: Vice President INDEX TO EXHIBITS ----------------- Paper (P) or Exhibit No. Description Electronic (E) ----------- ----------- -------------- (99) Structural and Collateral Term Sheets E prepared by J.P. Morgan Securities Inc., CIBC World Markets Corp. and Banc of America Securities LLC in connection with the J.P. Morgan Chase Commercial Mortgage Securities Corp., Commercial Mortgage Pass-Through Certificates, Series 2005-CIBC12