Table of Contents Exhibit 99.1 PROQR THERAPEUTICS N.V. Index to Unaudited Condensed Consolidated Financial Statements PAGE Unaudited Condensed Consolidated Statement of Financial Position at September 30, 2023 and December 31, 2022 1 Unaudited Condensed Consolidated Statement of Profit or Loss and Other Comprehensive Income for the Three and Nine Month Periods ended September 30, 2023 and 2022 2 Unaudited Condensed Consolidated Statement of Changes in Equity for the Nine Month Periods Ended September 30, 20 ...

Table of Contents Exhibit 99.1 PROQR THERAPEUTICS N.V. Index to Unaudited Condensed Consolidated Financial Statements PAGE Unaudited Condensed Consolidated Statement of Financial Position at June 30, 2023 and December 31, 2022 1 Unaudited Condensed Consolidated Statement of Profit or Loss and Other Comprehensive Income for the Three and Six Month Periods ended June 30, 2023 and 2022 1 Unaudited Condensed Consolidated Statement of Changes in Equity for the Six Month Periods Ended June 30, 2023 and 2022 3 Una ...

Table of Contents Exhibit 99.1 PROQR THERAPEUTICS N.V. Index to Unaudited Condensed Consolidated Financial Statements PAGE Unaudited Condensed Consolidated Statement of Financial Position at March 31, 2023 and December 31, 2022 1 Unaudited Condensed Consolidated Statement of Profit or Loss and Other Comprehensive Income for the Three Month Periods ended March 31, 2023 and 2022 2 Unaudited Condensed Consolidated Statement of Changes in Equity for the Three Month Periods Ended March 31, 2023 and 2022 3 Unaudi ...

Table of Contents 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 ...

Exhibit 99.1 ProQR Announces Initial Pipeline Targets and Highlights Axiomer® RNA Editing Platform Technology at R&D Event ● Initial pipeline programs with liver delivery to address Cholestatic Diseases targeting NTCP and Cardiovascular Disease targeting B4GALT1; initiation of clinical trials anticipated in late 2024/early 2025 ● Axiomer activity demonstrated across multiple preclinical in vitro, organoid, and in vivo models; up to 50% editing observed in rodent and non-human primates ● Beyond correction, b ...

CREATING MEDICINES for patients in need Nasdaq: PRQR Date: April 2022 Forward looking statements This presentation contains forward-looking statements that involve substantial risks and uncertainties. All statements, other than statements of historical facts, contained in this presentation, including but not limited to, statements regarding our updated strategic plans and intended benefits thereof, future operations, future preclinical and clinical trial plans and related timing of trials and results, regul ...

ProQR® TOP-LINE RESULTS: PHASE 1/2 TRIAL OF SEPOFARSEN IN LCA10 PATIENTS Conference call October 10, 2019 Forward looking statements This presentation contains forward-looking statements. All statements other than statements of historical fact are forward-looking statements, which are often indicated by terms such as "anticipate," "believe," "could," "estimate," "expect," "goal," "intend," "look forward to", "may," "plan," "potential," "predict," "project," "should," "will," "would" and similar expressions. ...

| --- | --- | |----------------------------|-------| | | | | | | | ProQR® | | | ProQR U IREST | | | | | | JANUARY 29, 2019, NEW YORK | | Forward looking statements This presentation contains forward-looking statements. All statements other than statements of historical fact are forward-looking statements, which are often indicated by terms such as "anticipate," "believe," "could," "estimate," "expect," "goal," "intend," "look forward to", "may," "plan," "potential," "predict," "project," "should," "will," " ...