OREANDA-NEWS. National company "KazMunayGaz" JSC (Astana), whose bonds are officially listed on Kazakhstan Stock Exchange (KASE), has in an official letter informed KASE "of a sixth (in a row) partial buyback of indexed coupon bonds of the second issue (NIN:KZ2C0Y10D596) in the number of 8 million pieces in accordance with the bond issue prospectus scheduled for January 19, 2015".