Item 1.02 Termination of a Material Definitive Agreement.

As part of the continuing efforts of FibroGen, Inc. ("FibroGen") to reduce operating expenses and preserve cash, on September 27, 2024, FibroGen entered into an Agreement for Termination of Lease and Voluntary Surrender of Premises ("Lease Termination Agreement") with its landlord, ARE-San Francisco No.43 Owner, LLC ("ARE") related to the premises located at 409 Illinois Street, San Francisco, California 94158. The Lease Termination Agreement modifies the Lease Agreement dated as of September 22, 2006, as subsequently amended (the "Lease") and accelerates the expiration date of the term of the Lease to December 31, 2024.

In consideration of the Lease Termination Agreement, FibroGen and ARE agreed on a $10 million settlement amount, consisting of (1) a one-time cash payment by FibroGen for past rent, FibroGen's share of operating costs, taxes, insurance, utilities, and other costs, and a Lease modification payment, and (2) a security deposit, in the form of a letter of credit.

As of execution of this Lease Termination Agreement, FibroGen shall not be responsible for the payment of any further rent payments or operating costs, taxes, insurance, utilities, or any other scheduled monthly payments due under the Lease to ARE.