J-Star Holding Co., Ltd. (NASDAQ:YMAT) ("J-Star" or the "Company"), today announced that on June 12, 2026, it received a Staff Delisting Determination Letter from the staff of The Nasdaq Stock Market LLC ("Nasdaq") indicating that the Company is not in compliance with Nasdaq Listing Rule 5550(a)(2), which requires listed companies to maintain a minimum bid price of $1.00 per share.

As previously disclosed, the Company received notice from Nasdaq on December 12, 2025, that it was not in compliance with the minimum bid price requirement and was provided a compliance period through June 10, 2026, to regain compliance and is not eligible for the second 180-day compliance period.

The Company intends to timely request an oral hearing before the Nasdaq Hear