Cinemark Holdings, Inc. New Standards Disclosure

Accounting Guidance Adopted:

ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures (“ASU 2023-09”). The purpose of ASU 2023-09 is to enhance the transparency and decision usefulness of income tax disclosures to provide information to better assess how an entity’s operations and related tax risks and tax planning and operational opportunities affect its tax rate and prospects for future cash flows. The amendments in ASU 2023-09 require that public entities, on an annual basis, (i) disclose specific categories in the income tax rate reconciliation and (ii) provide additional information for reconciling items that meet a quantitative threshold (if the effect of those reconciling items is equal to or greater than 5 percent of the amount computed by multiplying pre-tax income or loss by the applicable statutory income tax rate). The amendments in ASU 2023-09 are effective for annual periods beginning after December 15, 2024. The Company adopted the guidance in ASU 2023-09 effective December 31, 2025 and applied the new disclosure requirements on a prospective basis to the current annual period. Prior period disclosures have not been adjusted to reflect the new disclosure requirements (see Note 18). The impact of adopting the additional disclosure requirements of this standard did not have a material impact on the Company’s consolidated financial statement disclosures.

Accounting Guidance Not Yet Adopted:

ASU 2024-03, Income Statement – Reporting Comprehensive Income – Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses (“ASU 2024-03”). The purpose of ASU 2024-03 is to enhance the disclosures about a public business entity’s expenses by requiring more detailed information about the types of expenses (including purchases of inventory, employee compensation, depreciation and amortization) included within income statement expense captions. The amendments in ASU 2024-03 are effective for all public companies for annual reporting periods beginning after December 15, 2026, and interim periods within fiscal years beginning after December 15, 2027. Early adoption is permitted. The Company is in the process of evaluating the impact of adopting the additional disclosure requirements of ASU 2024-03 on its consolidated financial statement disclosures.

ASU 2025-06, Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software (“ASU 2025-06”). The purpose of ASU 2025-06 is to modernize the accounting for software costs that are accounted for under Subtopic 350-40, Intangibles - Goodwill and Other - Internal-Use Software (“ASC 350-40”) to better align the accounting guidance with the software development approaches currently used. Specifically, software is not always developed in a linear manner, which is an underlying tenet of the existing internal-use software capitalization framework. To clarify how the guidance applies to both linear and nonlinear software development, ASU 2025-06 removes all references to prescriptive and sequential software development stages throughout ASC 350-40. Under ASU 2025-06, an entity is required to start capitalizing software costs when both of the following occur: (i) management has committed to funding the software project; and (ii) it is probable that the project will be completed and the software will be used to perform the function intended (referred to as the “probable-to-complete recognition threshold”). Furthermore, the amendments in ASU 2025-06 supersede the current website development costs guidance and incorporate the recognition requirements for website-specific development costs from ASC 350-50 into ASC 350-40. The amendments in ASU 2025-06 are effective for all public companies for annual reporting periods beginning after December 15, 2027, and interim reporting periods within those annual periods. Early adoption is permitted as of the beginning of an annual reporting period. The Company is in the process of evaluating the impact of adopting the accounting provisions of ASU 2025-06 on its consolidated financial statements.

ASU 2025-11, Interim Reporting (Topic 270): Narrow-Scope Improvements (“ASU 2025-11). The purpose of ASU 2025-11 is to improve the guidance of Topic 270, Interim Reporting, by providing clarity on the current interim

reporting requirements. This amendment also provides additional guidance on what disclosures should be provided in interim reporting periods. The amendments in ASU 2025-11 also add to Topic 270 a principle that requires entities to disclose events since the end of the last annual reporting period that have a material impact on the reporting entity. The amendments in ASU 2025-11 are effective for all public companies for interim reporting periods within annual reporting periods beginning after December 31, 2027. Early adoption is permitted. The amendments in ASU 2025-11 can be applied either prospectively or retrospectively to any or all prior periods presented in the financial statements. The Company is in the process of evaluating the impact of adopting the accounting provisions of ASU 2025-11 on its interim consolidated financial statements.