AUTOZONE INC Fair Value Disclosure

Note B – Fair Value Measurements

The Company defines fair value as the price received to transfer an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. In accordance with ASC 820, Fair Value Measurements and Disclosures, the Company uses the fair value hierarchy, which prioritizes the inputs used to measure fair value. The hierarchy, as defined below, gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs. The three levels of the fair value hierarchy are set forth below:

Level 1 inputs — unadjusted quoted prices in active markets for identical assets or liabilities that the Company can access at the measurement date.

Level 2 inputs — inputs other than quoted market prices included within Level 1 that are observable, either directly or indirectly, for the asset or liability.

Level 3 inputs — unobservable inputs for the asset or liability, which are based on the Company’s own assumptions as there is little, if any, observable activity in identical assets or liabilities.

Marketable Debt Securities Measured at Fair Value on a Recurring Basis

The Company’s marketable debt securities measured at fair value on a recurring basis were as follows:

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The Company’s marketable debt securities are typically valued at the closing price in the principal active market as of the last business day of the quarter or through the use of other market inputs relating to the debt securities, including benchmark yields and reported trades.

Additionally, the Company has deferred compensation plan assets which are recorded at fair value on a recurring basis using Level 1 inputs. These assets consisted of investments in various mutual and money markets funds of which $2.7 million is recorded in Other current assets and $68.2 million is recorded in Other long-term assets at August 30, 2025, and $3.1 million was recorded in Other current assets and $62.3 million was recorded in Other long-term assets at August 31, 2024. The Company’s liability under the plan included $2.7 million recorded in Accrued expenses and other and $68.2 million recorded in Other long-term liabilities at August 30, 2025, and $3.1 million recorded in Accrued expenses and other and $62.3 million recorded in Other long-term liabilities at August 31, 2024.

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Fair values of the marketable debt securities by asset class are described in “Note C – Marketable Debt Securities.”

Non-Financial Assets Measured at Fair Value on a Non-Recurring Basis

Certain non-financial assets and liabilities are required to be measured at fair value on a non-recurring basis in certain circumstances, including the event of impairment. These non-financial assets and liabilities could include assets and liabilities acquired in an acquisition as well as goodwill, intangible assets and property, plant and equipment that are determined to be impaired. At August 30, 2025, the Company did not have any other significant non-financial assets or liabilities that had been measured at fair value on a non-recurring basis subsequent to initial recognition.

Financial Instruments not Recognized at Fair Value

The Company has financial instruments, including cash and cash equivalents, accounts receivable, other current assets and accounts payable. The carrying amounts of these financial instruments approximate fair value because of their short maturities. A discussion of the carrying values and fair values of the Company’s debt is included in “Note I – Financing.”