Exhibit 99.1 Condensed Consolidated Balance Sheets (Unaudited) (In CHF thousands) As of March 31, December 31, Note 2023 2022 Assets Non-current assets Property, plant and equipment 5 4,011 4,259 Right-of-use assets 6 2,674 2,808 Intangible asset 8 50,416 50,416 Long-term financial assets 6 361 361 Total non-current assets 57,462 57,844 Current assets Prepaid expenses 9 5,438 4,708 Accrued income 3 218 408 Other current receivables 598 392 Short-term financial assets 10 48,000 91,000 Cash and cash equivalen ...

, UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF ...

Exhibit 99.1 SHAREHOLDERS' EQUITY AND LIABILITIES Shareholders' equity Share capital 1,797 1,794 Share premium 431,303 431,251 Treasury shares 12 (124) (124) Currency translation differences 72 — Accumulated losses (242,994) (200,942) Total shareholders' equity 190,054 231,979 Condensed Consolidated Balance Sheets (Unaudited) (in CHF thousands) | --- | --- | --- | --- | |-------------------------------------|-------|----------------------------------|-------------------------------| | Balance Sheets \nASSET ...

Exhibit 99.1 The accompanying notes are an integral part of these Interim Condensed Consolidated Financial Statements (Unaudited). Condensed Consolidated Balance Sheets (Unaudited) (in CHF thousands) Balance Sheets Notes As of June 30, 2022 | --- | --- | --- | --- | |----------------------------------------------------|-------|-----------|-----------| | | | | 2021 | | ASSETS | | | | | Non-current assets | | | | | Property, plant and equipment | 5 | 4,997 | 5,116 | | Right-of-use assets | 6 | 2,632 | 2,914 | ...

Exhibit 99.1 The accompanying notes form an integral part of these Interim Condensed Consolidated Financial Statements (Unaudited). Condensed Consolidated Balance Sheets (Unaudited) (in CHF thousands) | --- | --- | --- | --- | |----------------------------------------------------|-------|------------------------------|---------------------------------| | Balance Sheets | Notes | 2022 \nAs of March 31, | As of December \n2021 \n31, | | ASSETS | | | | | Non-current assets | | | | | Property, plant and equipme ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the fiscal year ended December 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 19 ...

Exhibit 99.2 INDEX TO CONSOLIDATED FINANCIAL STATEMENTS Audited consolidated financial statements — AC IMMUNE SA | --- | --- | |-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------| | | | | Report of independent registered public accounting firm | | | Consolidated Balance Sheets as of December 31, 2021 and 2020 | F-3 | | Consolidated Statements of Income/ ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 19 ...