X0303 4/A 2010-03-01 2010-03-02 0001457543 CareFusion Corp CFN 0001023265 OHALLERAN MICHAEL D C/O CAREFUSION CORPORATION 3750 TORREY VIEW COURT SAN DIEGO, CA 92130 1 0 0 0 Common Stock 3750 I Trust for Self The purpose of this Amendment is to correct the total number of securities listed as beneficially owned on the Form 4 filed on March 2, 2010. The Form 4 filed on March 2, 2010 did not include 3,750 shares of CareFusion common stock that Mr. O'Halleran owns indirectly, as Trustee of the Michael D. O'Halleran Declaration of Trust. The reporting person disclaims beneficial ownership of these shares. /s/ Carrie Darling, Attorney-in-Fact 2010-04-29