1. ©2011 mmbi, Inc. All Rights Reserved. Deployment of Mobile Multimedia Broadcasting based on ISDB-Tmm technology in Japan May 23, 2011 Shinichiro Tonooka Senior Manager, Strategy mmbi, Inc.

2. ©2011 mmbi, Inc. All Rights Reserved. 1 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, Dentsu Corporation, and Sumitomo Corporation. Mr. Harunari Futatsugi, President and CEO of mmbi since July 2010, was Executive Vice President of NTT DOCOMO, mmbi’s parent company, until June 2010.

3. ©2011 mmbi, Inc. All Rights Reserved. 2 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 1 st, 2012 Nationwide mobile multimedia broadcasting  Spectrum bandwidth : VHF band （ 207.5MHz~222MHz ）  Broadcasting area: Nationwide coverage with Single Frequency Network (SFN)  Services : Storage type service and high-quality real time service  Receivers : Mobile handsets / smartphones as primary receivers, followed by dedicated receivers such as tablet devices or PNDs.  Broadcasting system: ISDB-Tmm : An enhanced technology from ISDB-T

4. ©2011 mmbi, Inc. All Rights Reserved. 3 Penetration Plan of ISDB-Tmm Supported Devices in 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). 0 1010 2020 3030 4040 50 6060 Million Units 70 Possible developments of devices other than mobile handsets Tablet Devices Laptop PCs PNDs Digital Photo Frames ISDB-Tmm Receiver Penetration Plan 20122013201420152016 Mobile handsets

5. ©2011 mmbi, Inc. All Rights Reserved. [Appendix] Technical Specifications of ISDB-Tmm Standard 4 ISDB-Tmm ISDB-T (Terrestrial Digital TV, “One-seg”) Segment Allocation Multiplexing MPEG-2 Systems Modulation OFDM (DQPSK, QPSK, 16QAM, 64QAM) Frequency Band VHF BandUHF Band Transmission Data Rate 7.3Mbbps / 13 segments (16QAM) 561kbps / 1 segment(16QAM) One-seg ： 416kbps / 1 segment (QPSK) 13-seg format ISDB-T ARIB STD-B31 / ITU-R BT1833 1-seg format ISDB-T SB ARIB STD-B29 / ITU-R BT1833 Any combination of 13-seg/1-seg format 6/7/8MHz (13 segments) Oneseg Partial Reception HDTV e.g. 2-layer Hierarchical Reception (including partial reception) 6/7/8MHz Partial Reception

6. ©2011 mmbi, Inc. All Rights Reserved. [Appendix] ISDB-Tmm Protocol Stack 5 Contents for real-time service PSI/SI Contents for file download service ECG/EPGmetadata PESSection FLUTE / AL-FEC UDP / IP / ROHC ULE MPEG-2 TS ISDB-Tmmphysical layer Real-time service File download service SI: Service information PSI: Program specific information EPG: Electronic program guide ECG: Electronic contents guide PES: Packetized elementary stream FLUTE: File delivery over unidirectional transport AL-FEC: Application layer–forward error correction UDP: User datagram protocol IP: Internet protocol ROHC: Robust header compression ULE: Unidirectional lightweight encapsulation TS: Transport stream

7. ©2011 mmbi, Inc. All Rights Reserved. [Appendix] ISDB-Tmm Technical Features 6 (1) High Quality Media Coding ITU-T H.264 / MPEG-4 AVC MPEG HE-AAC, MPEG Surround (2) Advanced Inter-media Interaction Interaction between communications and broadcasting (3) High Efficiency File Delivery Protocol Efficient File Transmission for Mobile Environments with AL-FEC Lost data in broadcast channel can be compensated with communication channels (4) Advanced Power Saving Mechanism Partial segment reception is supported Intermittent reception for file download is supported by using advanced meta- data

8. ©2011 mmbi, Inc. All Rights Reserved. [Appendix] First ISDB-Tmm tuner module now commercially available 7 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. ©2011 mmbi, Inc. All Rights Reserved. 8 Introduction of ISDB-Tmm Services Storage Type Service Live Concerts Live News Sports game Movie/Drama Newspapers Audio file Novels E-Magazine High-quality Real Time Service Enjoy live programs such as sports, news, and music. Various types of contents Various types of contents -Watching live videos just like conventional mobile television - Offering higher quality video programs -Storing contents to mobile handsets automatically. - Enjoying favorite contents at their own convenience (downloading files). Store contents to your mobile handsets. Can be used anytime Anywhere. Can be used anytime Anywhere. ISDB-Tmm system seamlessly provides both storage type service and high-quality real time service in 13 segments format.

10. ©2011 mmbi, Inc. All Rights Reserved. 9 Adaptable Allocation between Services ISDB-Tmm supports mixed environment of both storage type service programs and high-quality real time service programs. Time 0:00 23:59 24 Hours 1 segment format 13 segments format High-quality real time service Storage type service

11. ©2011 mmbi, Inc. All Rights Reserved. 10 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 Filecasting #1 ・・・・・・ 2. Transmission request 3. Data transmission ・・・・・・ Received data packets: ・・・・・・ ・ ・・ Missed data #2 #3 1. Multiple transmissions Broadcasting Network Mobile Network Data supplementation: Storage type service programs

12. ©2011 mmbi, Inc. All Rights Reserved. Features of High-quality Real Time Service ISDB-Tmm enables to broadcast higher quality video programs than “One-seg” does. ISDB-TmmISDB-T “One-seg” TV Programming-Original programming- Terrestrial TV programming Supported Resolution 720 x 480(VGA+), 352 x 480, 320 x 240(QVGA) 320 x 240(QVGA) Frame rates per second 3015 CodecITU-T H.264/MPEG-4 AVC QVGA VGA+

13. ©2011 mmbi, Inc. All Rights Reserved. 12 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. ©2011 mmbi, Inc. All Rights Reserved. 13 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. ©2011 mmbi, Inc. All Rights Reserved. 14 Service Concept – “Mobile Internet TV” Storage Type Service Mobile Network High- quality Real Time Service Mobile+TV+ Social Media Mobile+TV+ Mobile Multimedia Broadcasting = Mobile + TV + Social Media

16. ©2011 mmbi, Inc. All Rights Reserved. 15 Service Concept – “Mobile Internet TV” Seamless alignment with social networking services, instant messaging, or email over mobile network email Facebook twitter Linkedin Close Send New tweet Your Timeline This mmbi program is the one you should check out! Messages

17. ©2011 mmbi, Inc. All Rights Reserved. 16 User Interface of ISDB-Tmm Supported Smartphones High quality real-time program News / Weather Quick links to electronic program guide or stored contents Recommended Programs Tweet while watching TV program ISDB-Tmm application supports interactive, intuitive, and integrated user interface on Android smartphones

18. ©2011 mmbi, Inc. All Rights Reserved. 17 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)