Extract from NOSTRUM OIL & GAS PLC's shareholder registers system as of October 1, 2022 provided

/KASE, October 5, 2022/ – Kazakhstan Stock Exchange (KASE) was provided with an extract from the shareholder registers of NOSTRUM OIL & GAS PLC as of October 1, 2022. According to the mentioned extract: - the total number of authorized common shares of the company makes up 188,182,958 pieces; - all authorized shares of the company are outstanding; - persons each holding five or more percent of total outstanding shares of the company are: ------------------------------------------------------------------------------- Total stake in total number of Common shares, the company's Names pieces outstd. shares, % ------------------------------------------ ----------------- ------------------ ICU Holdings Limited (British Virgin Islands) 44,837,071 23.83 "Tengri Partners (Kazakhstan)" JSC 38,273,216 20.34 Dehus Dolmen Nominees Limited (Guernsey) 30,588,054 16.25 FRASELI Investments S.a.r.l. (Luxembourg) 16,111,100 8.56 ------------------------------------------------------------------------------- [2022-10-05]