Exhibit 99.01

                              CARDINAL HEALTH, INC.

                         Sarbanes-Oxley Blackout Notice
        To Directors and Executive Officers Subject to Section 306(a)(1)
                        of the Sarbanes-Oxley Act of 2002

                          Effective: December 10, 2004
                  Expected Duration: Through December 20, 2004

         Notice of and Reason for Blackout Period.  Cardinal Health,  Inc. (the
"Company") will be transferring the  administration  of a number of its
retirement plans to Fidelity Investments from Putnam Investments.  The impacted
plans are

      o the Cardinal Health Profit Sharing, Retirement and Savings Plan,

      o the Cardinal Health Profit Sharing, Retirement and Savings Plan for PRN
        Employees,

      o the Syncor International Corporation Employee Savings and Stock
        Ownership Plan,

      o the Cardinal Health Profit Sharing, Retirement and Savings Plan for
        Puerto Rico Employees, and

      o the Cardinal Health Prior Retirement Accounts Plan.

The administration of the Company's Deferred Compensation Plan and Directors
Deferred Compensation Plan also will be transferred to Fidelity Investments. To
ensure that all participant and plan information is accurately transferred from
Putnam Investments to Fidelity Investments, there will be a period of time
during which plan participants will not be able to direct or diversify
investments held in the plans, change contribution rates, or obtain loans,
withdrawals or distributions from the plan accounts. The period during which
participants in the plans will be unable to exercise these rights is called a
"Blackout Period."

         Impact of the Blackout Period. In addition to the unavailability of
these plan features for all plan participants, it is unlawful under Section
306(a)(1) of the Sarbanes-Oxley Act of 2002 for any director or executive
officer of the Company, directly or indirectly, to purchase, sell or otherwise
acquire or transfer any equity security of the Company during any blackout
period with respect to such equity security, if such director or executive
officer acquires or previously acquired such equity security in connection with
his or her service or employment as a director or executive officer of the
Company.

         Duration of the Blackout Period. The Blackout Period will begin at 3:00
p.m. Eastern time on Friday, December 10, 2004 and is expected to end on Monday,
December 20, 2004. To confirm that the Blackout Period has ended, please call
Fidelity Investments at 1-877-866-4401. You may also contact Fidelity
Investments by U.S. mail sent to Cardinal Health Financial Plans Service Center,
300 Puritan Way, Marlborough, MA 01752.

         Contact Information. If you have any questions concerning this notice,
you should contact  Fidelity  Investments  at the telephone number or address
listed above.