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: January 27, 2005 (Date of earliest event reported) Banc of America Mortgage Securities, Inc. - ---------------------------------------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Delaware 333-118843 36-4514369 - ---------------------------------------------------------------------------------------------------------- (State or other jurisdiction of incorporation) (Commission File No.) (IRS Employer Identification No.) 201 North Tryon Street, Charlotte, North Carolina 28255 - ---------------------------------------------------------------------------------------------------------- Address of principal executive offices (Zip Code) Registrant's telephone number, including area code (704) 387-8239 ------------------------------------------------------- - ---------------------------------------------------------------------------------------------------------- (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 On January 27, 2005, Banc of America Mortgage Securities, Inc., a Delaware corporation (the "Registrant"), sold Banc of America Alternative Loan Trust 2005-1 Mortgage Pass-Through Certificates, Series 2005-1, Class 1-CB-1, Class 1-CB-2, Class 1-CB-3, Class 1-CB-4, Class 1-CB-5, Class 1-CB-R, Class 1-CB-LR, Class CB-IO, Class 30-PO, Class 2-A-1, Class 15-PO, Class 15-IO, Class B-1, Class B-2 and Class B-3 (the "Offered Certificates"), having an aggregate original principal balance of $275,477,157.00. The Offered Certificates were issued pursuant to a Pooling and Servicing Agreement, dated January 27, 2005, among the Registrant, Bank of America, N.A., as servicer ("BANA"), and Wells Fargo Bank, N.A., as trustee (the "Agreement"), a copy of which is filed as an exhibit hereto. Mortgage Pass-Through Certificates, Series 2005-1, Class B-4, Class B-5 and Class B-6 Certificates, having an aggregate initial principal balance of $3,064,926.00 (the "Private Certificates" and, together with the Offered Certificates, the "Certificates"), were also issued pursuant to the Agreement. As of the date of initial issuance, the Offered Certificates evidenced an approximate 98.90% undivided interest in a trust (the "Trust"), consisting principally of two pools of fixed interest rate, conventional, monthly pay, fully-amortizing, one- to four-family residential first mortgage loans. The remaining undivided interests in the Trust are evidenced by the Private Certificates distributions on which are subordinated to distributions on the Offered Certificates. Interest on the Offered Certificates will be distributed on each Distribution Date (as defined in the Agreement). Monthly distributions in reduction of the principal balance of the Offered Certificates will be allocated to the Offered Certificates in accordance with the priorities set forth in the Agreement. Distributions of interest and in reduction of principal balance on any Distribution Date will be made to the extent that the related Pool Distribution Amount is sufficient therefor. Elections will be made to treat the Trust as two separate REMICs for federal income tax purposes (the "Lower-Tier REMIC" and "Upper-Tier REMIC" and each a "REMIC"). The Class 1-CB-1, Class 1-CB-2, Class 1-CB-3, Class 1-CB-4, Class 1-CB-5, Class CB-IO, Class 30-PO, Class 2-A-1, Class 15-PO, Class 15-IO, Class B-1, Class B-2, Class B-3, Class B-4, Class B-5 and Class B-6 Certificates will be treated as "regular interests" in the Upper-REMIC and the Class 1-CB-R and Class 1-CB-LR Certificates will be treated as the "residual interest" in the Upper-Tier REMIC and "Lower-Tier REMIC, respectively. ITEM 9.01 Financial Statements and Exhibits (c) Exhibits Item 601(a) of Regulation S-K Exhibit No. Description - ----------- ----------- (4) Pooling and Servicing Agreement, dated January 27, 2005, among Banc of America Mortgage Securities, Inc., Bank of America, N.A. and Wells Fargo Bank, N.A., as trustee. 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. BANC OF AMERICA MORTGAGE SECURITIES, INC. January 27, 2005 By: /s/ Judy Lowman -------------------------------------- Name: Judy Lowman Title: Vice President INDEX TO EXHIBITS Paper (P) or Exhibit No. Description Electronic (E) - ----------- ----------- -------------- (4) Pooling and Servicing Agreement, E dated January 27, 2005 among Banc of America Mortgage Securities, Inc., Bank of America, N.A. and Wells Fargo Bank, N.A., as trustee.