EXHIBIT 32.1 CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with this Quarterly Report of BMB Munai, Inc., on Form 10-Q for the period ended June 30, 2006 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), the undersigned, Boris Cherdabayev, Principal Executive Officer of the Company, certifies, pursuant to 18 U.S.C. ss.1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that: (1) The Report fully complies with the requirements of section 13 (a) or 15 (d) of the Securities Exchange Act of 1934; and (2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company. Date: August 8, 2006 /s/ Boris Cherdabayev ------------------------------ Boris Cherdabayev, Principal Executive Officer