KDDI CORPORATIONKDDI B ldg . , 2 -3-2 N ish i -Sh in juku , Sh in juku-ku ,

Tokyo 163-8003, Japan

Phone: +81 -3-3347 -Q077

Letter Of Recommendation

Dr. Raziq Yaqub served in this company from April ls 1999 till May 3l$ 2001 as an AssistantManager Standords Section, System Development Department, Mobile ComrmtnicationEngineering Division. He was appointed on contact basis for one year, but being impressed fromhis interest in worh commitnent towards responsibilities, and active representation of DDI/KDDIm Standards Organizations, he was offgred permarent eurployment

DDIIKDDI recommaded him to stand as a candidato, and consequmtly he was elected asCheirman Mabile Wireless Internet Forum (I[WIF) Working Group-l by Operators and IndustyRepresentatives from all over the world. He worked diligently and got the yer 2001 award ofappreciation from the MI{IF Board of Directors. Besides being \ilorking Group Chair, he hasalso been appointed as a Proiect Manager Ml4(lF recently. Acknowledge'lnent of his services in theGlobal Forum also b,rought estse,med honor to the company for which he deserves congratulations.

Becanse of his sound Engineering lnowledge coupled with managerial skills IEEE computersociety, md Information Processing Society of Japan selected hirrr, and requested DDI/KDDI toallow him to work as an Opcration Committec Mcmber and $ession Chair, for IWDCCA '2A00

(International Workshop on Distributed Computing, Communication and Applications). His activeparticipation there was also admired.

Seeing his interest and active panicipmion in the field of mobile IP, now industry is inviting him torun a wortshop n 'IP

for 3G" Event, which will be held on 11-12{' Septeinber this year, whereinternational puticipation from predominant operetors, manufacturers md associations from allov€r the world, is expected.

During his stay, he not only guidd the cornpmy regarding future mobile communication strategiesin a timely manner, but also re,presentEd the company's requirements effMively in standardizationmeetingq global surnmits and various international events including Plenary and Steering levelmeetings of 3GPP and 3GPP2.

II

In short he is a dedicated employee and hardworkr\g-lAgineer. He has respect for everyone,enthusiasm for accomplishments, &d eagemess for continuous learning which impressed not onlyhis high-ups in the company but also outside Standards Groups in a very short puiod.

I feel great pleasure in writing a letter of recommendation for him and wish him all the success.

SAKAI, Hiroshi '|

Director, and Se,nior General ManagerMobile Communications Engineering DivisionMobile Conrmunications SectorKDDI CorporationBusiness Phone +8 I 3-3 34 7 -7 626, Fax +8 I 3 -3347 -7 07 2,Mobile +8 190-37 Il-5544e-mail sakai@kddi-com

Dated: 22May 2001.