The shell is not the same. Similar, but not 100% exactly the same and thus not as thermoformable. The good news is you can easily still bake a TF7/TF9 multiple times without any issues.
We have current stock of the following sticks with P90TM.
https://penaltyboxlv-my.sharepoint.com/:x:/g/personal/nicholas_penaltyboxhockey_com/EYRbPDsoaBBEhPBmpKQiUG4BrJ-t15lCFKz03wLwK5nFTQ?e=Kht5B3