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NEUROCRINE BIOSCIENCES INC

For the period ended Dec 31, 2023. Filed Feb 9, 2024.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2023 · Filed Feb 9, 2024

NBIX$169.14+0.2%Stored close · as of Nov 10, 2026

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Report of Independent Registered Public Accounting Firm

To the Stockholders and the Board of Directors of Neurocrine Biosciences, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Neurocrine Biosciences, Inc. (the “Company”) as of December 31, 2023 and 2022, the related consolidated statements of income and comprehensive income, stockholders’ equity and cash flows for each of the three years in the period ended December 31, 2023, and the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company at December 31, 2023 and 2022, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2023, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company’s internal control over financial reporting as of December 31, 2023, based on criteria established in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework), and our report dated February 9, 2024 expressed an unqualified opinion thereon.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current period audit of the financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective or complex judgments. The communication of the critical audit matter does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below providing a separate opinion on the critical audit matter or on the account or disclosure to which it relates.

Reserves for government rebates related to product sales
Description of the MatterThe Company sells product to specialty pharmacies and specialty distributors in the US (collectively, “customers”). As described in Note 1 to the consolidated financial statements, the Company recognizes revenues for sales of INGREZZA to its customers after deducting management’s estimates of reserves, including drug coverage gap rebates, it will provide under government rebate programs (“government rebates”). Estimated government rebates are presented within accounts payable and accrued liabilities on the consolidated balance sheet.
Auditing the estimates of government rebates was complex and judgmental due to the level of uncertainty involved in management’s assumptions used in the measurement process. In particular, management was required to estimate at December 31, 2023, the portion of product that is expected to be subject to a government rebate, the applicable contractual government rebate percentage by payor type underlying the revenue and the applicable rebate amount applicable for the payor type.
How We Addressed the Matter in Our AuditWe tested the Company’s internal controls over management’s process for estimating the portion of product that is expected to be subject to a government rebate at December 31, 2023. This included controls over management’s review of significant assumptions and other inputs into the estimation of government rebates including the accuracy of data used in the calculation.
To test management’s estimate of government rebate reserves our audit procedures included, among others, evaluating the methodologies used, testing the significant assumptions discussed above and testing the completeness and accuracy of the underlying data used by the Company in its analyses. Specifically, we compared the significant assumptions to third-party reports used by the Company to estimate government rebate reserves at December 31, 2023. In addition, we compared the underlying government rebate percentages used in the Company’s analyses to those published by the applicable government entity. We assessed the historical accuracy of management’s rebate estimates, tested payments of rebates and performed a sensitivity analysis of significant assumptions to evaluate the changes in the rebate allowance that would result from changes in the assumptions.

/s/Ernst & Young LLP

We have served as the Company’s auditor since 1992.

San Diego, California

February 9, 2024

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