Deployment of Mobile Multimedia Broadcasting based on ISDB- Tmm technology in Japan

1. Deployment of Mobile Multimedia Broadcastingbased on ISDB-Tmm technology in Japan May 23, 2011 Shinichiro Tonooka Senior Manager, Strategy mmbi, Inc.

2. What is mmbi, Inc.? • Established in 2009, mmbi, Inc. aims to launch its mobile multimedia broadcasting service to Smartphones with ISDB-Tmm receivers in major Japanese cities such as Tokyo, Nagoya, Osaka, Fukuoka, and Okinawa in April 2012. The service expects subscription starting around USD 4/Mo. • Shareholders include mobile network operator NTT DOCOMO, Inc. (owns 51%), Fuji Television Network, Inc., Nippon Broadcasting System, Incorporated, SKY Perfect JSAT Corporation, Itochu Corporation, Nippon Television Network Corporation, Tokyo Broadcasting System Holdings, Inc., TV Asahi Corporation, DentsuCorporation, and Sumitomo Corporation. • Mr. HarunariFutatsugi, President and CEO of mmbi since July 2010, was Executive Vice President of NTT DOCOMO, mmbi’s parent company, until June 2010.

3. Mobile Multimedia Broadcasting in Japan • A newly built mobile multimedia broadcasting network will be introduced nationwide after analog broadcasting network shut down on July 2011. • Adopting ISDB-Tmm technology, enhanced from ISDB-T, which is proven through actual worldwide penetration. • Expected date of launch: April 1st, 2012 • Spectrum bandwidth : VHF band （207.5MHz~222MHz） • Broadcasting area : Nationwide coverage with Single Frequency Network (SFN) Nationwide mobile multimedia broadcasting :Mobile handsets / smartphones as primary receivers, followed by dedicated receivers such as tablet devices or PNDs. • Receivers • Broadcasting system : ISDB-Tmm : An enhanced technology from ISDB-T : Storage type service and high-quality real time service • Services

4. Penetration Plan of ISDB-Tmm Supported Devicesin Japan • Mobile handsets, such as smartphones, will be initially introduced to the Japanese market; pursuing faster penetration. • 50 million supported mobile handsets will be sold by 2016 (year 5). Possible developments of devicesother than mobile handsets • PNDs • Digital Photo Frames • Tablet Devices • Laptop PCs Million Units 70 60 50 40 30 20 10 0 Mobile handsets 2012 2013 2014 2015 2016 ISDB-Tmm Receiver Penetration Plan

5. [Appendix] Technical Specifications of ISDB-Tmm Standard 6/7/8MHz (13 segments) Any combination of 13-seg/1-seg format 6/7/8MHz Oneseg Partial Reception Partial Reception 1-seg format ISDB-TSB ARIB STD-B29 / ITU-R BT1833 13-seg format ISDB-T ARIB STD-B31 / ITU-R BT1833 HDTV e.g. 2-layer Hierarchical Reception (including partial reception)

6. [Appendix] ISDB-Tmm Protocol Stack Real - time service File download service Contents for Contents for PSI/SI ECG/EPG metadata real - time service file download service FLUTE / AL - FEC PES Section UDP / IP / ROHC ULE MPEG - 2 TS ISDB - Tmm physical layer SI: Service information UDP: User datagram protocol PSI: Program specific information IP: Internet protocol EPG: Electronic program guide ROHC: Robust header compression ECG: Electronic contents guide ULE: Unidirectional lightweight encapsulation PES: Packetized elementary stream TS: Transport stream FLUTE: File delivery over unidirectional transport AL - FEC: Application layer – forward error correction

7. [Appendix] ISDB-TmmTechnical Features

8. [Appendix] First ISDB-Tmm tuner module now commercially available Fujitsu Semiconductor, Inc. start shipping MB86A35, first ISDT-Tmm tuner module, in April 2011. • ISDB-T • ISDB-T (One-seg) • ISDB-Tsb • ISDB-Tmm • DVB-T • 6/7/8MHz multi-band • in a single module Source: Press release http://jp.fujitsu.com/group/fsl/release/20110331-1.html

9. Introduction of ISDB-Tmm Services • ISDB-Tmm system seamlessly provides both storage type service and high-quality real time service in 13 segments format. Storage Type Service High-quality Real TimeService • Storing contents to mobile handsets automatically. • Enjoying favorite contents at their own convenience (downloading files). • Watching live videos just like conventional mobile television • Offering higher quality video programs Enjoy live programs such as sports, news, and music. Live Concerts Can be used anytime Anywhere. Movie/Drama Newspapers Audio file Live News Novels Various types of contents E-Magazine Sports game Store contents to your mobile handsets.

10. Adaptable Allocation between Services • ISDB-Tmm supports mixed environment of both storage type service programs and high-quality real time service programs. 1 segment format 13 segments format 13 segments format 0:00 Time High-quality real time service 24 Hours Storage type service 23:59

11. Features of Storage Type Service –Data Supplementation • Multiple transmissions helps receiving entire files over broadcasting. • If some parts of a file were missed after such multiple transmissions, the missed data can be recovered over mobile network. Basic concept and system structure of data supplementation Mobile Network Broadcasting Network Storage type service programs ・・・・・・ ・・・・・・ Filecasting #1 #2 #3 2. Transmission request 1. Multiple transmissions Received data packets: ・・ ・・・・・・ ・・・・・・ Missed data 3. Data transmission ・・・・・・ ・・・・・・ Data supplementation: ・・ ・・・・・・ ・・・・・・

12. Features of High-quality Real Time Service • ISDB-Tmm enables to broadcast higher quality video programs than “One-seg” does. QVGA VGA+

13. Will Mobile TV work? • Will people actually watch TV programs on their mobile phones with smaller screens? • Are people willing to pay for mobile TV channels? Isn’t Internet streaming such as Youtube or Ustream enough for mobile video service? • How will mmbi work on challenges that previous mobile TV projects had faced?

14. Our Plan Varieties of original contents High quality video programs for mobile viewing Dynamic band allocation between storage type service and high-quality real time service Collaboration between mobile telecommunication and broadcasting “Mobile + TV + Social media”

15. Service Concept – “Mobile Internet TV” • Mobile Multimedia Broadcasting = Mobile + TV + Social Media Storage Type Service Mobile + TV + Social Media High-quality Real TimeService Mobile Network

16. Service Concept – “Mobile Internet TV” • Seamless alignment with social networking services, instant messaging, or email over mobile network New tweet Messages Your Timeline This mmbi program is the one you should check out! email Facebook Linkedin twitter Close Send Close

17. User Interface of ISDB-Tmm Supported Smartphones • ISDB-Tmm application supports interactive, intuitive, and integrated user interface on Android smartphones News / Weather High quality real-time program Recommended Programs Tweet while watching TV program Quick links to electronic program guide or stored contents

18. Benefits by Adopting ISDB-Tmm based Mobile Multimedia Broadcasting • Benefits by introducing mobile multimedia broadcasting • An effective approach to upgrade ICT environment • Enhancing TV receiver penetration rate • Help easing traffic jams and contribute to disaster control • Benefits by adopting ISDB-Tmm technology • A proven, open technology • Varieties of supported devices • Efficient usage of spectrum • Supports EWBS(Emergency Warning Broadcast System)