Basis of Preparation	12 Months Ended
Dec. 31, 2024
Disclosure of Basis of Preparation [Abstract]
Basis of Preparation	2. BASIS OF PREPARATION (A) Going concern The Group's accounts are prepared on a going concern basis. To date, the Group has financed its cash requirements primarily from share issuances, as well as government research and development grants. The February 2025 underwritten offering, Registered Direct Offering and listing on the Nasdaq Iceland Main Market in April 2024 raised additional funding to secure business continuity as explained under Notes 5 and 22. The Board of Directors believes that the Group has the ability to meet its financial obligations for at least the next 12 months. The Company is a late clinical stage company and is exposed to all the risks inherent to establishing a business. Inherent to the Company’s business are various risks and uncertainties, including the substantial uncertainty as to whether current projects will succeed. The Company’s success may depend in part upon its ability to (i) establish and maintain a strong patent position and protection, (ii) enter into collaborations with partners in the biotech and pharmaceutical industry, (iii) successfully move its product candidates through clinical development, (iv) successfully obtain regulatory approval and commercialize its products, and (v) attract and retain key personnel. The Company’s success is subject to its ability to be able to raise capital to support its operations. To date, the Company has financed its cash requirements primarily through the sale of its preferred stock, proceeds from the Business Combination, PIPE Financing and conversion of CLA, and proceeds from the sale of its common stock. Shareholders should note that the long-term viability of the Company is dependent on its ability to raise additional capital to finance its future operations. The Company will continue to evaluate additional funding through public or private financings, debt financing or collaboration agreements. The Company cannot be certain that additional funding will be available on acceptable terms, or at all. If the Company is unable to raise additional capital when required or on acceptable terms, it may have to (i) significantly delay, scale back or discontinue the development of one or more of its product candidates; (ii) seek collaborators for product candidates at an earlier stage than otherwise would be desirable and on terms that are less favorable than might otherwise be available; or (iii) relinquish or otherwise dispose of rights to product candidates that the Company would otherwise seek to develop itself, on unfavorable terms. (B) Statement of compliance The consolidated financial statements of Oculis are prepared in accordance with IFRS Accounting Standards ("IFRS") as issued by the International Accounting Standards Board (“IASB”). Prior to the Business Combination on March 2, 2023, the audited consolidated financial statements as of and for the year ended December 31, 2022 were issued for Legacy Oculis and its wholly-owned subsidiaries. In accordance with the BCA (as defined in Note 5), Oculis issued 3,780,399 ordinary shares to Legacy Oculis shareholders in exchange for 3,306,771 Legacy Oculis ordinary shares, after cancellation of 100,000 Legacy Oculis treasury shares, at the exchange ratio of 1.1432. The number of ordinary shares, and the number of ordinary shares within the loss per share held by the shareholders prior to the Business Combination have been adjusted by the exchange ratio to reflect the equivalent number of ordinary shares in the Company. No such adjustments have been made in the current period. (C) Basis of measurement The policies set out below are consistently applied to all the years presented. The consolidated financial statements have been prepared under the historical cost convention, unless stated otherwise in the accounting policies in Note 3. The totals are calculated with the original unit amounts, which could lead to rounding differences. These differences in thousands of units are not changed in order to keep the accuracy of the original data. (D) Functional currency The consolidated financial statements of the Group are expressed in CHF, which is the Company's functional and presentation currency. The functional currency of the Company's subsidiaries is the local currency except for Oculis Iceland whose functional currency is CHF. Assets and liabilities of foreign operations are translated into CHF at the rate of exchange prevailing at the reporting date and their statements of profit or loss are translated at yearly average exchange rates. The exchange differences arising on translation for consolidation are recognized in other comprehensive income.

Basis of Preparation

12 Months Ended

Dec. 31, 2024

Disclosure of Basis of Preparation [Abstract]

BASIS OF PREPARATION

(A)

Going concern

The Group's accounts are prepared on a going concern basis. To date, the Group has financed its cash requirements primarily from share issuances, as well as government research and development grants. The February 2025 underwritten offering, Registered Direct Offering and listing on the Nasdaq Iceland Main Market in April 2024 raised additional funding to secure business continuity as explained under Notes 5 and 22. The Board of Directors believes that the Group has the ability to meet its financial obligations for at least the next 12 months.

The Company is a late clinical stage company and is exposed to all the risks inherent to establishing a business. Inherent to the Company’s business are various risks and uncertainties, including the substantial uncertainty as to whether current projects will succeed. The Company’s success may depend in part upon its ability to (i) establish and maintain a strong patent position and protection, (ii) enter into collaborations with partners in the biotech and pharmaceutical industry, (iii) successfully move its product candidates through clinical development, (iv) successfully obtain regulatory approval and commercialize its products, and (v) attract and retain key personnel. The Company’s success is subject to its ability to be able to raise capital to support its operations. To date, the Company has financed its cash requirements primarily through the sale of its preferred stock, proceeds from the Business Combination, PIPE Financing and conversion of CLA, and proceeds from the sale of its common stock. Shareholders should note that the long-term viability of the Company is dependent on its ability to raise additional capital to finance its future operations. The Company will continue to evaluate additional funding through public or private financings, debt financing or collaboration agreements. The Company cannot be certain that additional funding will be available on acceptable terms, or at all. If the Company is unable to raise additional capital when required or on acceptable terms, it may have to (i) significantly delay, scale back or discontinue the development of one or more of its product candidates; (ii) seek collaborators for product candidates at an earlier stage than otherwise would be desirable and on

terms that are less favorable than might otherwise be available; or (iii) relinquish or otherwise dispose of rights to product candidates that the Company would otherwise seek to develop itself, on unfavorable terms.

(B)

Statement of compliance

The consolidated financial statements of Oculis are prepared in accordance with IFRS Accounting Standards ("IFRS") as issued by the International Accounting Standards Board (“IASB”).

Prior to the Business Combination on March 2, 2023, the audited consolidated financial statements as of and for the year ended December 31, 2022 were issued for Legacy Oculis and its wholly-owned subsidiaries. In accordance with the BCA (as defined in Note 5), Oculis issued 3,780,399 ordinary shares to Legacy Oculis shareholders in exchange for 3,306,771 Legacy Oculis ordinary shares, after cancellation of 100,000 Legacy Oculis treasury shares, at the exchange ratio of 1.1432. The number of ordinary shares, and the number of ordinary shares within the loss per share held by the shareholders prior to the Business Combination have been adjusted by the exchange ratio to reflect the equivalent number of ordinary shares in the Company. No such adjustments have been made in the current period.

(C)

Basis of measurement

The policies set out below are consistently applied to all the years presented. The consolidated financial statements have been prepared under the historical cost convention, unless stated otherwise in the accounting policies in Note 3.

The totals are calculated with the original unit amounts, which could lead to rounding differences. These differences in thousands of units are not changed in order to keep the accuracy of the original data.

(D)

Functional currency

The consolidated financial statements of the Group are expressed in CHF, which is the Company's functional and presentation currency. The functional currency of the Company's subsidiaries is the local currency except for Oculis Iceland whose functional currency is CHF.

Assets and liabilities of foreign operations are translated into CHF at the rate of exchange prevailing at the reporting date and their statements of profit or loss are translated at yearly average exchange rates. The exchange differences arising on translation for consolidation are recognized in other comprehensive income.