The manufacturer of Mounjaro, Lilly, has done further testing on the batch (D712074) of the 2.5mg dose you received and has extended its shelf life. A letter should have been included in your order, apologies if it was not. You can read the letter from the manufacturer here:
โhttps://www.prescriptiondoctor.com/assets/img/Mounjaro_%20Extended_Date.pdf