Item 9B. Other Information.

(a) Entry into a Material Definitive Agreement

364 Day Facility

On May 8, 2025, the Company entered into a Credit Agreement among the Company, as borrower, the lenders party thereto, the letter of credit issuers party thereto, Bank of America, N.A., as an administrative agent, and the other parties thereto.

Under the 364 Day Credit Facility, which is scheduled to mature in May 2026, the Company has a revolving line of credit available of up to $1.0 billion. On or prior to the maturity date of the 364 Day Credit Facility, the Company has the option, subject to certain customary conditions, to convert the outstanding revolving loans into a term loan that is repayable in May 2027. The terms and conditions of the 364 Day Credit Facility are substantially similar to those in place under the Credit Agreement, dated November 7, 2022 (as amended by that certain First Amendment to the Credit Agreement, dated as of November 7, 2024 and that certain Second Amendment to the Credit Agreement, dated as of May 8, 2025), among the Company, as borrower, the lenders party thereto, the letter of credit issuers party thereto, Bank of America, N.A., as administrative agent.

Borrowings under the 364 Day Credit Facility bear interest based upon the SOFR for credit extensions denominated in U.S. Dollars and other relevant underlying benchmarks plus agreed margins. In the case of an event of default under the 364 Day Credit Facility, the lenders may elect, among other things, to declare any unpaid amounts obtained under the 364 Day Credit Facility to be immediately due and payable.

Capitalized terms used but not otherwise defined herein have the meanings ascribed thereto in the 364 Day Credit Facility. A copy of the 364 Day Credit Facility is attached as Exhibit 10.24 to this report and is incorporated herein by reference.

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McKESSON CORPORATION

(b) Pre-arranged Trading Plans

On February 7, 2025, Napoleon B. Rutledge Jr, our Senior Vice President and Controller, adopted a Rule 10b5-1 trading arrangement for the sale of up to 2,984 shares of the Company’s common stock. The duration of the trading arrangement is until February 12, 2026 or earlier if all transactions under the trading arrangement are completed or if the trading arrangement is otherwise terminated according to its terms. The trading arrangement was entered into during an open trading window period and Mr. Rutledge represented to us that he intended for it to satisfy the requirements for the affirmative defense of Rule 10b5-1(c) of the Exchange Act. The number of shares subject to the arrangement includes shares that may be withheld by the Company to satisfy income tax withholding and remittance obligations in connection with the net settlement of equity awards.