8-K 1 a4871704.txt BIOSOURCE INTERNATIONAL 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) April 25, 2005 BIOSOURCE INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 0-21930 77-0340829 (State or other jurisdiction (Commission File Number) (IRS Employer of incorporation) Identification No.) 542 Flynn Road, Camarillo, California 93012 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (805) 987-0086 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 2.02 Results of Operations and Financial Condition. On April 25, 2005, BioSource International, Inc. (the "Company") issued a press release regarding its financial results for the first quarter ended March 31, 2005. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by this reference. The information in this report shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall be expressly set forth by specific reference in such a filing. Item 9.01 Financial Statements, Pro Forma Financial Information and Exhibits. (a) Financial Statements. None. (b) Pro Forma Financial Information. None. (c) Exhibits. 99.1 Press Release dated April 25, 2005, published by the Company. 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 hereunto duly authorized. BIOSOURCE INTERNATIONAL, INC. April 25, 2005 /s/ Alan Edrick ------------------------------- Alan Edrick Executive Vice President and Chief Financial Officer

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): April 7, 2005

BIOSOURCE INTERNATIONAL, INC.

(Exact Name of Registrant as Specified in Its Charter)

Delaware	0-26670	77-0340829
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)
542 Flynn Road, Camarillo, California		93012
(Address of Principal Executive Offices)		(Zip Code)

(805) 987-0086

(Registrant’s Telephone Number, Including Area Code)

Not Applicable

(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 8.01. Other Events.

On April 7, 2005, BioSource International, Inc. issued a press release announcing it had received an unsolicited proposal from Bio-Rad Laboratories, Inc. to acquire the Company for $8.50 per share in cash. The press release is attached as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

99.1 Press release of BioSource International, Inc. dated April 7, 2005

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	BIOSOURCE INTERNATIONAL, INC.
Date: April 7, 2005	By:	/s/ Alan I. Edrick
		Executive Vice President and Chief Financial Officer

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