UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): October 8, 2004 BLACKHAWK BANCORP, INC. ----------------------- (Exact name of registrant as specified in its charter) Wisconsin 0-18599 39-1659424 ---------------------------- ------------------------ --------------------- (State or other jurisdiction (Commission File Number) (IRS Employer Number) of incorporation) 400 Broad Street, Beloit, WI 53511 ---------------------------- ----- (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (608) 364-8911 -------------- 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 (see General Instruction A.2. below): [ ] 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 7.01. REGULATION FD DISCLOSURE On October 8, 2004 Blackhawk Bancorp, Inc completed the sale of two branches located in the Illinois communities of Rochelle and Oregon to First National Bank and Trust Company of Rochelle, as first announced in its 8-K filed on June 25, 2004. The branches and the transaction did not have a material financial effect on Blackhawk Bancorp, Inc. Blackhawk's press release issued October 12, 2004, reporting the transaction, is attached as exhibit 99.1 Exhibit No. Description -------------------------------------------------------------- 99.1 Press Release issued October 12, 2004 * * * * * SIGNATURES 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 thereunto duly authorized. Date: October 12, 2004 BLACKHAWK BANCORP, INC. /s/Todd J. James ---------------------------------- Todd J. James Executive Vice President and CFO (Duly authorized officer of the registrant and principal financial officer)