AUNA S.A. ONCOSALUD S.A.C. U.S.$365,000,000 8.750% SENIOR SECURED NOTES DUE 2032 INDENTURE Dated as of November 6, 2025 AUNA S.A. and ONCOSALUD S.A.C., as Co-Issuers, The GUARANTORS Party Hereto, and CITIBANK, N.A., as Trustee, Paying Agent, Registrar...