EX-99 3 mv12-158kex99_1.txt 99.1 Exhibit 99.1 Certification Required by 18 U.S.C. Section 1350 (as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002) ---------------------------------------------------------- I, Kobi Alexander, as Chief Executive Officer of Comverse Technology, Inc. (the "Company"), certify, pursuant to 18 U.S.C. Section 1350 (as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002), that to my knowledge: (1) the accompanying Quarterly Report on Form 10-Q of the Company for the quarterly period ended October 31, 2002 (the "Report"), filed with the U.S. Securities and Exchange Commission, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and (2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Dated: December 13, 2002 /s/ Kobi Alexander ---------------------------- Kobi Alexander Chief Executive Officer