8-K

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): December 4, 2012

First Business Financial Services, Inc.

(Exact name of registrant as specified in its charter)

Wisconsin	1-34095	39-1576570
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

401 Charmany Drive

Madison, Wisconsin 53719

(Address of principal executive offices) (Zip code)

(608) 238-8008

(Registrant’s telephone number, including area code)

N/A

(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 (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o 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 December 4, 2012, the Company issued a press release announcing the pricing of the underwritten public offering of 1,100,000 shares of its common stock, a copy of which is included as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information contained in this Form 8-K pursuant to Item 7.01 and the materials filed as exhibits shall not constitute an offer to sell or the solicitation of an offer to buy these securities, nor shall there be any offer or sale of these securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

The following exhibit is being “furnished” as part of this Current Report on Form 8-K:

99.1 Press release issued by the Company on December 4, 2012

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.

December 5, 2012	FIRST BUSINESS FINANCIAL SERVICES, INC.
	By:	/s/ James F. Ropella
	Name:	James F. Ropella
	Title:	Senior Vice President and CFO

EX-99.1

Exhibit 99.1

FOR IMMEDIATE RELEASE

Contact:

James F. Ropella

Senior Vice President and Chief Financial Officer

(608) 232-5970

jropella@firstbusiness.com

First Business Financial Services, Inc. Announces Pricing of $25.3 Million Common Stock Offering

MADISON, Wis.-December 4, 2012 (GLOBE NEWSWIRE) - First Business Financial Services, Inc. (NASDAQ: FBIZ) (the “Company”), the parent company for First Business Bank and First Business Bank - Milwaukee, announced today that it has priced a public offering of 1,100,000 shares of common stock at $23.00 per share. The Company expects to close the offering on Monday, December 10, 2012. Stifel, Nicolaus & Company, Incorporated is serving as lead manager and sole book runner and Raymond James & Associates, Inc. and FIG Partners, LLC are serving as co-managers for the offering. The Company has granted the underwriters a 30-day option to purchase up to an additional 165,000 shares, representing 15% of the total number of shares to be sold by the Company in the offering, to cover over-allotments, if any.

The Company expects that the net proceeds from this offering will support the future growth of its organization by allowing the Company to accelerate its organic growth in existing or new markets and to potentially pursue opportunistic acquisitions of similar or complementary financial services organizations. The immediate use of the net proceeds from this offering will be to repay a portion of the Company's existing subordinated debt.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy any common shares, nor shall there be any sale of such common shares in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. The offering will be made only by means of a prospectus, copies of which may be obtained by contacting Stifel, Nicolaus & Company, Incorporated Attn: Prospectus Department, One South Street, 15th Floor, Baltimore, MD 21202 or by telephone at (855) 300-7136.

About First Business Financial Services, Inc.

First Business Financial Services (Nasdaq:FBIZ) is a $1.2 billion Wisconsin-based bank holding company that specializes in focused financial solutions for businesses, key executives, and high net worth individuals through its operating companies. It is the 2^nd largest Wisconsin-based commercial bank holding company listed on NASDAQ or the NYSE. Its companies include: First Business Bank - Madison; First Business Bank - Milwaukee; First Business Bank - Northeast; First Business Trust & Investments; First Business Equipment Finance, LLC; and First Business Capital Corp. For additional information, visit www.firstbusiness.com or call (608) 238-8008.

Forward Looking Statements

This press release includes "forward-looking" statements related to First Business Financial Services, Inc. (the "Company") that can generally be identified as describing the Company's future plans, objectives or goals. Such forward-looking statements are subject to risks and uncertainties that could cause actual results or outcomes to differ materially from those currently anticipated. These forward-looking statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995.

For further information about the factors that could affect the Company's future results, please see the Company's prospectus filed as part of a Registration Statement on Form S-1, annual report on Form 10-K, quarterly reports on Form 10-Q and other filings with the Securities and Exchange Commission.