Press Conference Platinum Band

March 1, 2012 Masayoshi Son Chairman & CEO SOFTBANK MOBILE Corp. 1 Connect Anywhere

2 Longstanding ambition

Advocacy ad on 800MHz on Sept. 6, 2004 3 @SoftBank User My home is out of coverage. Mr. Son, help me please!

@SoftBank User Weak signal... Do something!

@SoftBank User SoftBank signal is weak. 44 Reasons for Churn (FY2009/2H)

1st Poor coverage

2nd Tariff

Family members on Coverage was 3rd other network biggest weakness

*Surveyed by SBM 5 Network Satisfaction (survey in March 2010)

NTT DOCOMO 51%

au 51%

Half of SOFTBANK 27% competitors’ users

*Surveyed by SBM 6 Improve Network Satisfaction

7 Network Satisfaction

Connectivity × Speed

8 Network Satisfaction

Connectivity × Speed

9 180k Number of Base Stations x3 SOFTBANK in 2 years Network Enhancement Initiative

65k

Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 FY2009 FY2010 FY2011 *Excluding home femtocell and home repeaters 10 98.9% 98.8% 98.2% Connectivity Ratio

Caught up with competitors

*Surveyed by external research company (as of Jan. 2012). NTT DOCOMO au SOFTBANK Calls executed by each operator to test monitor participants (approx. 150,000/month). 11 Number of Wi-Fi Spots

SOFTBANK 240,000 Overwhelming au approx. 70,000 No.1

NTT DOCOMO approx. 8,100

*Surveyed by SBM 12 Network Satisfaction

Connectivity × Speed

13 Speed Comparison (average of major cities in )

SOFTBANK Mbps (iPhone 4S) 1.32

NTT DOCOMO Fastest 0.83Mbps (MEDIAS WP)

au 0.78Mbps (iPhone 4S)

* Publicly available information of MM Research Institute (Nov. 29, 2011). 3G down-link (5-10 PM). Average of measurements in 11 different spots nationwide.14 Unfair Battle

15 (Former) Allocation of Platinum Band

NTT DOCOMO au SOFTBANK

Yes Yes No Unfair allocation 16 JPY 14,900 CAPEX per User (mobile) JPY 11,700 JPY 10,400 (actual FY2010) Inefficient CAPEX

*Created by SOFTBANK CORP. based on respective companies’ publicly available information. Value was calculated by dividing CAPEX amount by average number of customers. au NTT DOCOMO SOFTBANK 17 Lack of Platinum Band Biggest weakness

18 March 1, 2012 Platinum Band Allocated to SOFTBANK （900MHz band）

19 (Future) Allocation of Platinum Band

NTT DOCOMO au SOFTBANK

Yes Yes Yes Fair fight 20 What is Platinum Band?

21 Characteristics of Platinum Band (1)

Coverage x3

2.1GHz Platinum band

*Test results on the 2.1GHz band and the 800MHz band 22 Characteristics of Platinum Band (2) 2.1GHz Platinum Band

Wide coverage 23 プラチナバンドの特性(2) Characteristics of Platinum Band (3)

2.1GHz Platinum Band Signal reflects Signal deflects

Obstacles Obstacles 24 Characteristics of Platinum Band (4)

Platinum Penetration Band

Fast decay 2.1GHz

25 July 25, 2012 Launch 900MHz Service

26 41k 900MHz Band Plan Quick expansion

16k

2012 ’13 ’14 ’15 ’16 (FY) *Base Station Plan 27 900MHz Band (%) 99.9% 96.1% 100 Population Coverage 80 Quick

60 expansion

40

20

2012 ’13 ’14 ’15 ’16 (FY) *Base Station Plan 28 Coverage Example (Kanto)

Former coverage 2GHz

29 Coverage Example (Kanto)

Almost complete

2GHz 900MHz

*Excluding some mountainous areas 30 (JPY bn) Consolidated CAPEX 500.0 500.0 (former plan)

420.5 JPY 1t in 2 years

2006 ’07 ’08 ’09 ’10 ’11 ’12 (FY) (target) 31 600.0 (JPY bn) Consolidated CAPEX 500.0 (new plan) 450.0 420.5 JPY 1.55t in 3 years

2006 ’07 ’08 ’09 ’10 ’11 ’12 ’13 (FY) (target) 32 900MHz = Global Standard

33 900MHz Compatible Devices (as of Mar. 1, 2012)

iPhone 4 iPhone 4S iPad 2 etc.

34 Ease Traffic Congestion Former Future

Platinum band

2.1GHz

2.1GHz 35 900MHz Compatible Device

PANTONE ®4 SoftBank 105SH Coming March 2012

36 Summer 2012 All models will be 900MHz compatible

37 Connect Anywhere

Downtown Underground Mountains

38 Operators’ Calling

39 Lifeline

40 Information Lifeline

41 = July 25, 2012 Launch 900MHz Service

42 Connect Anywhere

43 - Happiness for Everyone

44 45