Termination of Material Agreement Form 8 K

On July 1, 2024, AlloVir, Inc. (the "Company") entered into a Termination Agreement (the "Termination Agreement"), dated July 1, 2024 (the "Effective Date"), with BP Bay Colony LLC, a Delaware limited liability company (the "Landlord"), in connection with the termination (the "Lease Termination") of the Lease Agreement, dated September 8, 2021, by and between the Company, as tenant, and the Landlord (the "Lease Agreement"), for certain premises in the building known as and numbered 1100 Winter Street, Waltham, MA 02451 (the "Building") consisting of (i) 19,236 square feet of rentable floor area on the first (1st) floor of the Building (the "Phase I Premises"), and (ii) 59, 305 square feet of rentable floor area on the second (2nd) and third (3rd) floors of the Building (together with the Phase I Premises, collectively the "Premises"). Pursuant to the Termination Agreement, the Company and the Landlord agreed to terminate the Lease Agreement, effective as of June 30, 2024 (the "Early Termination Date"), subject to the terms and conditions therein. The Lease Termination Agreement provides that the Company shall surrender the Premises on or prior to the Early Termination Date and shall have no further rent obligations after the Early Termination Date.

As consideration for the Landlord's agreement to terminate the Lease Agreement as of the Early Termination Date, the Company agreed to pay the Landlord, as additional rent (the "Early Termination Payment"), funds in the amount of $7,000,000. The Early Termination Payment shall be due on or about the date that is five (5) business days following the Effective Date.

The foregoing descriptions of the Termination Agreement is not complete and is qualified in its entirety by reference to the full text of the Termination Agreement, a copy of which is filed as Exhibit 10.1 to this Current Report on Form 8-Kand is incorporated by reference herein.