• QuantumCore announced on October 20, 2026, a buyback program for up to 1,585,729 common shares.
• The program covers approximately 5% of its 31,714,581 outstanding common shares, representing approximately 10% of the public float.
• The buyback runs until October 16, 2027, unless completed or terminated earlier.
• Purchases will occur at market prices on the Canadian Securities Exchange. Repurchased common shares will be canceled.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Quantumcore Ltd. published the original content used to generate this news brief via Newsfile (Ref. ID: 202610200700NEWSFILECNPR____20261020_319710_1) on October 20, 2026, and is solely responsible for the information contained therein.