The Management Board of the Company under the name of Polska Technika Górnicza Spółka Akcyjna with its registered office in Katowice (hereinafter referred to as the “Company”), in connection with Article 16 of the Act of August 30, 2019 on amending the Act – Commercial Companies Code and certain other acts (Journal of Laws of 2019, item 1798), calls on all shareholders of the Company to submit their share documents for dematerialization. Share documents should be submitted at the Company’s headquarters, i.e. Korfantego Avenue 51/46, 40 -160 Katowice, on business days (Monday through Thursday) from 8:00 am to 4:00 pm.