ANNEXES 27 ANNEX 1 ANNEX 2 COMPANY’S ANNUAL FINANCIAL STATEMENTS OTHER INFORMATION RELATING TO (FRENCH-GAAP) FOR THE FISCAL YEAR ENDING THE FINANCIAL STATEMENTS OF DECEMBER 31, 2017 244 GENSIGHT BIOLOGICS S.A. PARENT COMPANY 257 1. BALANCE SHEET ASSETS 244 2. STATEMENTS OF INCOME (LOSS) 246 ANNEX 3 3. NOTES TO THE FINANCIAL STATEMENTS 247 STATUTORY AUDITOR’S REPORT ON THE COMPANY’S ANNUAL FINANCIAL STATEMENTS (FRENCH GAAP) FOR THE FISCAL YEAR ENDING DECEMBER 31, 2017 258 GENSIGHT BIOLOGICS – 2017 Registration Document –243