KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below hereby
constitutes and appoints
Yaron Tal and
Eyal Kolka, and each of them, as his true and lawful
attorney-in-fact and agent, with full power of substitution and resubstitution for such person in
any and all capacities, to sign any and all amendments (including post-effective amendments) to
this registration statement on Form S-8, and to file the same, with exhibits thereto and other
documents in connection therewith with the Securities and Exchange Commission, granting unto such
attorney-in-fact and agent full power and authority to do and perform each and every act and thing
requisite and necessary in connection with such matters and hereby ratifying and confirming all
that such attorney-in-fact and agent or his substitutes may do or cause to be done by virtue
hereof.
