/KASE, July 5, 2019/ NOSTRUM OIL & GAS PLC (London), whose shares are officially
listed on the Kazakhstan Stock Exchange (KASE), informed KASE that "on July 4,
2019, S&P Global Ratings lowered long-term corporate rating of Nostrum Oil & Gas
PLC from 'B'- (with stable forecast) to 'CCC+' (with stable forecast)."
Detailed information is available on KASE website at –