| 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 23, 2003 |
| Chiron Corporation
|
| (Exact name of registrant as specified in its charter) |
| Delaware | 0-12798 | 94-2754624 | ||
|
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| (State or other jurisdiction of incorporation) |
(Commission File Number) |
(IRS Employer Identification No.) |
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| 4560 Horton Street, Emeryville, CA 94608
|
| (Address of principal executive offices) (Zip Code) |
| Registrant’s telephone number, including area code (510) 655-8730 |
| N/A
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| (Former name or former address, if changed since last report) |
| Item 7. Financial Statements and Exhibits. |
| (c) Exhibits. |
| EXHIBIT NUMBER |
| 99.1 | Press release by Chiron Corporation dated April 23, 2003, relating to the Company’s preliminary results for the first quarter ended March 31, 2003, referred to in Item 9 below. |
| Item 9. Regulation FD Disclosure (the following discussion is furnished under “Item 12. Results of Operations and Financial Condition”). |
| In accordance with SEC Release No. 33-8216, the following information, required to be furnished under “Item 12. Results of Operations and Financial Condition,” is furnished under “Item 9. Regulation FD Disclosure.” |
| On April 23, 2003, Chiron Corporation (the “Company”) announced via press release the Company’s preliminary results for its first quarter ended March 31, 2003. A copy of the Company’s press release is attached hereto as Exhibit 99.1. This Form 8-K and the attached exhibit are provided under Item 12 of Form 8-K and are furnished to, but not filed with, the Securities and Exchange Commission. |
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| 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. |
| CHIRON CORPORATION | ||
| Date: April 23, 2003 | By: | /s/ WILLIAM G. GREEN
|
| William G. Green Senior Vice President, General Counsel and Secretary |
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