Zura Bio Ltd Fair Value Disclosure

The Company measures certain financial assets and liabilities at fair value on a recurring basis. The Company determines fair value based upon the exit price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants, as determined by either the principal market or the most advantageous market. Inputs used in the valuation techniques to derive fair values are classified based on a three-level hierarchy. These levels are:

Level 1: Inputs are unadjusted, quoted prices in active markets for identical assets or liabilities at the measurement date;

Level 2: Inputs are observable, unadjusted quoted prices in active markets for similar assets or liabilities, unadjusted quoted prices for identical or similar assets or liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the related assets or liabilities; and

Level 3: Unobservable inputs that are significant to the measurement of the fair value of the assets or liabilities that are supported by little or no market data.

Financial instruments consist of cash and cash equivalents, prepaid and other current assets, and accounts payable and accrued expenses. The carrying values of the Company’s cash, prepaid and other current assets, and accounts payable and accrued expenses approximate their fair value due to the short-term maturity of these instruments.

The following table presents information about the Company’s financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2025 and 2024, and the fair value hierarchy of the valuation techniques utilized:

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There were no transfers into or out of Level 1, Level 2, or Level 3 during the year ended December 31, 2025 and 2024.

Private Placement Warrants

In August 2024, pursuant to the Warrant Exchange, the Company exchanged all of the outstanding private placement warrants to purchase 6,899,996 Class A Ordinary Shares (the “Private Placement Warrants”) for Class A Ordinary Shares. The Private Placement Warrants were originally assumed in connection with the Business Combination in 2023. See Note 6. The Private Placement Warrants were measured at fair value on a recurring basis. Because the transfer of Private Placement Warrants to non-permitted transferees would result in the Private Placement Warrants having substantially the same terms as the Public Warrants, the Company determined that the fair value of each Private Placement Warrant is consistent with that of a Public Warrant. Accordingly, the Private Placement Warrants are classified as Level 2 financial instruments. Upon completion of the Warrant Exchange, the Private Placement Warrants were remeasured to settlement value which was determined based on the fair value of the Class A Ordinary Shares issued in exchange for the Private Placement Warrants. The following table provides a summary of changes in the estimated fair value of the Private Placement Warrants:

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There were no Private Placement Warrants outstanding as of December 31, 2025 and December 31, 2024. For the year ended December 31, 2024, the Company recorded a loss of $5.2 million, from the change in fair value of the Private Placement Warrants in change in fair value of private placement warrants in the consolidated statements of operations.