CLINICAL RESEARCH LABS CERTIFICATE OF ANALYSIS ================================ Product: LL-37 Product Code: LL-37 Batch No: CRL-LL-3-77650 Release Date: 2025-11-17 ANALYTICAL RESULTS -------------------------------- Appearance: White lyophilized powder — PASS Identity (MS): Conforms to reference — PASS Purity (RP-HPLC): 98.9% Water Content: < 6.0% — PASS Endotoxin (LAL): < 0.5 EU/mg Bioburden: < 10 CFU/g — PASS Storage: -20°C, protect from light. For laboratory research use only. Not for human consumption. Released by: CRL Quality Control