Ownership Filing for Adicet Bio, Inc.

This filing details the ownership of Adicet Bio, Inc. (ACET) by RA Capital Management, L.P., RA Capital Healthcare Fund LP, Peter Kolchinsky, and Rajeev M. Shah. RA Capital Management, L.P. acts as the investment manager for the Fund, with Peter Kolchinsky and Rajeev Shah as managing members of the general partner. The filing indicates that these reporting persons collectively hold 959,028 shares of Common Stock. Additionally, they possess Pre-Funded Warrants with no expiration date, exercisable immediately, but with a restriction preventing beneficial ownership from exceeding 9.99% of the outstanding Common Stock. The exercise price for these warrants is $0.0001. The footnotes clarify that RA Capital Management, L.P., RA Capital Healthcare Fund L.P., Peter Kolchinsky, and Rajeev Shah disclaim beneficial ownership except to the extent of their pecuniary interest.