FROM MAY 2, 2017 KASE CHANGES PARAMETERS OF SHARES INCLUDED IN UPDATED REPRESENTATIVE LIST OF KASE INDEX

/KASE, May 2, 2017/ – From May 2, 2017, Kazakhstan Stock Exchange (KASE) Committee on Indices and Securities Valuation by its decision of April 28, 2017 defined new parameters of shares, included in the representative list of KASE index – portions of shares in free circulation, and restrictive coefficients. The table below shows new share parameters and those effective till May 2, influencing KASE Index's value. ------------------------------------------------------------------------------ Effective from May 2, 2017 Effective till May 2, 2017 -------------- ------- ----------- -------------- ------- ------------ free restrictive free restrictive outstanding float coefficient outstanding float coefficient Ticker shares (Fi), % (Ri) shares (Fi), % (Ri) ------- -------------- ------- ----------- -------------- ------- ------------ CCBN 162,456,800 26.6 1.0000000 162,456,800 26.6 1.0000000 GB_KZMS 458,379,033 57.3 0.0903070 458,379,033 57.3 0.0958598 HSBK 10,995,525,282 26.5 0.2833811 10,995,539,182 26.5 0.3039505 KCEL 200,000,000 25.0 0.8655105 200,000,000 25.0 0.8273224 KEGC 259,998,610 10.0 1.0000000 259,998,610 10.0 1.0000000 KZTK 10,707,323 23.0 1.0000000 10,707,323 23.0 1.0000000 KZTO 384,628,099 10.0 0.9223498 384,628,099 10.0 0.9008435 RDGZ 67,693,075 36.3 0.1082459 67,693,075 36.3 0.0998817 ------- -------------- ------- ----------- -------------- ------- ------------ Removed from KASE Index representative list ------------------------------------------------------------------------------ BAST 202,591 9.4 1.0000000 ------------------------------------------------------------------------------ In addition, by the mentioned decision of the Committee on Indices and Securities Valuation from May 2, 2017 at calculation of KASE index shall be used the new adjustment coefficient (K) value – 1.6545428. Before said date the value was 1.6526493. NOTES TO TABLE KASE Index – KASE share market index, showing change of prices of shares listed on the representative list for calculation of the index with account to capitalization of issuers and number of free floating shares (free float). One stock may not exceed 15 % weight in the index. KASE Index is calculated within a trading day as deals in the representing stocks are concluded. In case no deals, parameters of which are required for calculation of the KASE Index were made in the stock during a trading day, for purposes of such calculation, results of the last resultant trading session will be used. The Methodology of index calculation is regulated by the KASE internal document "Methodology of Stock Market Indicators Calculation", available at the KASE website at: http://www.kase.kz/files/normative_base/indicators_met_eng.pdf The page on the index is available at: http://www.kase.kz/en/index_kase Ticker shows: issuer code of security trading on KASE (first 4 symbols, – common share code); share category (if the fifth symbol is "p", preferred share); share issue order number (if required, the sixth symbol is a digit). Issuers code: BAST – BAST JSC; CCBN – Bank CenterCredit JSC; GB_KZMS – KAZAKHMYS PLC; HSBK – Halyk Savings Bank of Kazakhstan JSC; KCEL – Kcell JSC; KEGC – Kazakhstan Electricity Grid Operating Company "KEGOC" JSC (KEGC); KKGB – Kazkommertsbank JSC; KZTK – Kazakhtelecom JSC; KZTO – KazTransOil JSC; RDGZ – KazMunaiGas Exploration Production JSC. Outstanding shares – parameter, which is determined independently by KASE on the basis of listing company share register extract data or information provided by the company as a number of outstanding shares of a listing company net of those redeemed. KASE is taking into account the number of outstanding shares, which is confirmed by documents available on KASE. Free float (Fi), % – parameter, determined by KASE as a number of shares not owned by the state, issuer management and shareholders owning five or more percent of common shares of the issuer, except for shareholders in regard of which the Risk committee made a decision that such shareholders shall not be deemed as strategic (institutioanl investors, nominal holders, and entities performing functions of settlement service etc.). Restrictive coefficient (Ri) – parameter limiting weight of influence of one stock on index value to fifteen percent. [2017-05-02]