The above materials have been mailed to shareholders. If you are a shareholder and have not received your materials by mail, please do not hesitate to contact ir@ynvisible.com for assistance. Depending on how you hold your shares, we may be able to assist you directly or it may be necessary for us to refer you to your broker or other intermediary.

Please note the cut-off date and time for votes submitted via proxy is 8:00 a.m. (Pacific Time) on Tuesday, December 13, 2022.