Exhibit 99.1 PRELIMINARY NOTE The unaudited interim condensed Consolidated Financial Statements for the three-month period ended March 31, 2024, included herein, have been prepared in accordance with International Accounting Standard 34 (“Interim Financial Reporting”), as issued by the International Accounting Standards Board (“IASB”). The Consolidated Financial Statements are presented in euros. All references in this interim report to “$,” and “U.S. dollars” mean U.S. dollars and all references to “€” and ...

Company Provides Clinical Data Update from Ongoing Phase 1 Clinical Trial with ACTengine® IMA203 TCR-T Targeting PRAME Updated clinical data on ACTengine® IMA203 targeting PRAME in 30 heavily pre-treated metastatic melanoma patients at RP2D: 55% confirmed objective response rate, including tumor shrinkage achieved in 87% of patients; median duration of response of 13.5 months including 11/16 ongoing confirmed responses; IMA203 continues to maintain a favorable safety profile Registration-enabling randomized ...

luismmolina Investment Overview Immatics (NASDAQ:IMTX), based in Tuebingen, Germany, achieved its Nasdaq listing in 2020, via a business combination with Arya Sciences Acquisition Corp, a special purpose acquisition company (SPAC) sponsored by Perceptive Advisors. According to Harvard Business Review: A SPAC is a publicly traded corporation with a two-year life span formed with the sole purpose of effecting a merger, or “combination,” with a privately held business to enable it to go public. SPACs raise mon ...

Exhibit 99.1 Immatics Announces Full Year 2023 Financial Results and Corporate Update · Interim clinical data update on ACTengine IMA203 GEN1 (PRAME) in melanoma at RP2D in November 2023: 50% confirmed objective response rate with median duration of response not reached at median follow-up of 14.4 months; IMA203 was well tolerated · Registration-enabling randomized Phase 2/3 trial for ACTengine IMA203 GEN1 in 2L+ melanoma planned to begin in 2024 · Next data update on IMA203 GEN1 and IMA203CD8 GEN2 planned ...

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, 2023 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 99.1 PRELIMINARY NOTE The unaudited condensed Consolidated Financial Statements for the three and six-month periods ended June 30, 2023, included herein, have been prepared in accordance with International Accounting Standard 34 (“Interim Financial Reporting”), as issued by the International Accounting Standards Board (“IASB”). The Consolidated Financial Statements are presented in euros. All references in this interim report to “$,” and “U.S. dollars” mean U.S. dollars and all references to “€” and ...

Exhibit 99.1 PRELIMINARY NOTE The unaudited condensed Consolidated Financial Statements for the three-month period ended March 31, 2023, included herein, have been prepared in accordance with International Accounting Standard 34 (“Interim Financial Reporting”), as issued by the International Accounting Standards Board (“IASB”). The Consolidated Financial Statements are presented in euros. All references in this interim report to “$,” and “U.S. dollars” mean U.S. dollars and all references to “€” and “euros” ...

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 19 ...