OREANDA-NEWS. Sovereign Wealth Fund Samuryk-Kazyna (Astana) has informed Kazakhstan Stock Exchange (KASE) that the 15th coupon interest on bonds KZP11Y11D391 (KZ2C00002319, KASE official list, category "debt securities of entities from the quasi-public sector", SKKZb11) was not paid due to absence of said bonds from circulation.