In view of the importance of protecting personal information (hereinafter referred to as "Act on the Protection of Personal Information"), we will handle it based on the following basic policy.

• 1.Acquisition of Personal Information
• When we obtain personal information, we shall notify or announce the purpose of use in advance.
• 2.Use　within the Scope of Utilization Purpose
• When we use personal information, we shall handle it only within the scope required to achieve the utilization purpose.
• 3.Third Party Provision
• Except where permitted law, we shall not provide personal information to third parties without obtaining the consent of the individual.
• 4.Security Control Action
• We shall properly manage personal information and take safety measures to prevent unauthorized access, loss, damage, tampering, leakage, etc.
• 5.Compliance with Laws
• We shall comply with laws, regulations and other guidelines regarding personal information.

March 2021    J-mab Therapeutics,Inc.
President Yoshinobu Okada