Nostrum Oil & Gas PLC announced the appointment of Petro Mychalkiw as Chief Financial Officer (CFO) effective 21 August 2023. Mr. Mychalkiw is a chartered accountant with over 17 years of experience leading finance teams within the natural resources industry, including both oil and gas businesses and mining/metals companies. Mr. Mychalkiw has extensive public company experience and first-hand experience of E&P operations in the Republic of Kazakhstan.

Mr. Mychalkiw's previous roles in emerging markets include serving as Group CFO at I-Pulse Inc, High Power Petroleum LLC, Equus Petroleum Plc and Orsu Metals Corporation and serving as Regional Finance Director and Group Head of Corporate Finance at Oriel Resources Plc.