Appendix. November, 2011

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Appendix

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The forward-looking statements and projected figures concerning the future performance of NTT and its subsidiaries and affiliates contained or referred to herein are based on a series of assumptions, projections, estimates, judgments and beliefs of the management of NTT in light of information currently available to it regarding NTT and its subsidiaries and affiliates, the economy and telecommunications industry in Japan and overseas, and other factors. These projections and estimates may be affected by the future business operations of NTT and its subsidiaries and affiliates, the state of the economy in Japan and abroad, possible fluctuations in the securities markets, the pricing of services, the effects of competition, the performance of new products, services and new businesses, changes to laws and regulations affecting the telecommunications industry in Japan and elsewhere, other changes in circumstances that could cause actual results to differ materially from the forecasts contained or referred to herein, as well as other risks included in NTT’s most recent Annual Report on Form 20-F and other filings and submissions with the United States Securities and Exchange Commission.

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Faster and Diversified Broadband Access

Note: Access speeds shown are numbers used for commercial purposes, and are the maximum output speeds achievable within the framework of the respective best effort services. DSL：NTT East FLET’S ADSL etc, FTTH：NTT East Hikari Next Family High Speed Type etc, CATV：J:COM etc,

Mobile：NTT DOCOMO FOMA High Speed etc, WiFi：NTT East FLET’S Spot etc,

WiMAX: UQ Communications UQ WiMAX (started services from Jul. 2009. Expanding area coverage to major cities in Japan)

ＤＳＬ（Approx.7.7M)

～50Mbps ～200Mbps ～160Mbps

Internet / Broadband Network

ＦＴＴＨ（Approx.20.9M） Mobile （Approx.127.9M）ＣＡＴＶ（Approx.5.7M） Public WiFi （Approx.10.2M） WiMAX （Approx.1.3M）～54Mbps ～75Mbps ～40Mbps

Customers

¾ Total number of fixed and mobile broadband access subscriptions exceeded the 170 million mark ¾ More than half of the fixed broadband subscriptions are FTTH subscribers

Mobile

Broadband Access

Fixed

Broadband Access

Source: MIC and NTT: (as of the end of Jun. 2011)

Mobile, WiMAX subs are TCA data (as of the end of Oct. 2011)

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ADSL

Broadband Service Monthly Charges -Triple

Play-（Reference）Each company’s corporate website (as of November 11, 2011) Charges do not include consumption taxes.

*1 Lowest monthly charge after applying bulk discount. *2 Option channel is excluded. J:COM includes BS digital broadcasts. *3 Charge for multi-channel services. Tuner rental charges are included. Hikari TV also provides VOD flat rate services.

*4 Modem rental charges (modem + splitter) are included. *5 VDSL rental charges are included. *6 Hikari Denwa router rental charges are included.

*7 In case of a discount plan ("Otoku-plan"). On the condition that the service is used for two consecutive years (or one year for apartment type) In other case, 10,790Yen/months + dialing charge

(*) Number of Subscribers (September 30, 2011) NTT Group: 2.43million(Hikari TV + FLET’S TV) , J:COM: 3.01million(Cable TV)

9,048

yen

+ call charges NTT FLET’S Hikari

（Max. 200Mbps）

[Plala Hikari mate with FLET’S + Hikari Denwa + Hikari TV]

FTTH

CATV

Multi-Channel VOD Multi-Channel VOD Total Monthly Charge*1 Total Monthly Charge*1

Service Service IP Telephony Basic Charge IP Telephony Basic Charge High Speed Internet High Speed Internet

For Multi-Dwelling Units (VDSL) For Single-Dwelling Units J:COM （Max. 160Mbps） [J:COM Tokyo] NTT FLET’S ADSL （Max. 47Mbps） [NTT East + Plala +subscriber telephone]

9,700

yen

+ call charges

7,600

yen

+ call charges

5,890

yen

+ call charges （Breakdown of Total） 1,700 yen

+ call charges 950 yen

*6

+ call charges _{+ call charges}500 yen 4,190 yen*4 3,650 yen*5 6,200 yen 3,000 yen*3 3,000 yen*3 9,048 yen + call charges (Package price) ［65channels］*2 ［65channels］*2 ［75 channels］*2

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Launch of “FLET’S Hikari LIGHT” (NTT East)

Monthly charges 200MB 1GB 1.2GB Communication Volume/month 5,800 yen 5,200 yen 2,800 yen

*Charges are before taxes. ISP charges are not included.

FLET’S Hikari LIGHT

FLET’S Hikari NEXT -Family

type-Minimum charge

2,800 yen

Metered charges

30yen /10MB

5,800 yen

¾ “FLET’S Hikari LIGHT” has been newly launched (June, 2011), in order to further expand and promote the use of

optical broadband services

¾ Number of subscribers (forecast for the end of March, 2012) : 0.7 million subscribers (Impact on net adds

excluding those switching over from existing FLET’S Hikari (FTTH) services etc.:0.3 million subscribers)

NTT WEST to start a similar plan from January 2012.

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Overview of Optical Service Facilities (Split Branch Method)

OLT/OSU Optical Splitter (outside NTT building) Optical Splitters (inside NTT building) ② ③ ① Other providers’ equipment

NTT building

NTT IP network OSU Other providers’ IP networks

Splitter (inside NTT building) Splitter (outside NTT building)

Fiber–optic cable 8 branches 4 branches OSU Customer premises （other providers） Duct ONU Customer premises （NTT East or West) ① ② ③ Maximum of 32 subscribers per one fiber line Maximum of 8 subscribers

per one fiber line One subscriber

per one fiber line

OLT (Optical Line Terminal) OSU (Optical Subscriber Unit)

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NTT Group Broadband Services

Fixed Broadband

Mobile Broadband

WiFi

3G

LTE

FTTH

“Crossy” FLET’S Hikari NEXT

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Schedule for PSTN (Core Network) Migration

2010 circa 2015 circa 2020 circa 2025

Services

Interc

on

ne

ction

Notify users about services to be terminated Shift to alternative services

Coordinate with other involved businesses Concerning IP network interconnectivity

Phase out services Notify users about services to be terminated

Shift to alternative services

Migration from

ＰＳＴＮ

(core network)

to IP network

Services to be terminated prior to migration Services to be terminated in conjunction with migration

Phase out services

Implement IP network interconnection in stages

Broadband services

End of useful life of PSTN switchboards

Promote the use of broadband services

¾ Services to be terminated in conjunction with the migration will be phased out sequentially after providing adequate notice to users and efforts to promote a shift to alternative services during the period from now until around 2020.

¾ Services to be terminated prior to the migration will be phased out by around 2020 after providing adequate notice to users and encouraging a shift to alternative services in conjunction with the timing of service termination. ¾ IP network interconnection will be implemented in stages upon coordination with other businesses.

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Smartphones (Product Lineup)

¾ Plan to release a total of 16 smartphone models in FY2011/winter-spring lineup, including the 14 models unveiled on Oct. 18,2011

FY2011 Winter-Spring : 16 models

P-01D REGZA Phone T-01D AQUOS PHONE SH-01D LUMIX PHONE P-02D ARROWS kiss F-03D / F-03D Girls AQUOS PHONE slider SH-02D Q-pot. PHONE SH-04D GALAXY SⅡ LTE SC-03D MEDIAS PP N-01D OPTIMUS LTE L-01D ARROWS X LTE F-05D MEDIAS LTE N-04D BlackBerry Bold 9900 ARROWS μ F-04D GALAXY NEXUS SC-04D Xperia PLAY SO-01D

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Xi ”crossy” Area Expansion Plans

¾ Accelerate Xi area expansion toward the target of achieving nationwide population coverage of approx. 98% in 2015/3, and aim for early realization of a high-speed communication environment (max. throughput of 100Mbps)

１００Ｍｂｐｓ

*

７５Ｍｂｐｓ

Max. Throughput 2012/3E

* Nationwide support of 100Mbps planned to start in 2015/3 or thereafter.

2013/3E 2014/3E 2015/3E 2016/3E

Xi-related

CAPEX

Approx. 330.0 billion yen

_{（2011/3～2013/3）}

Approx. 550.0 billion yen

_{（2014/3～2016/3）}

Area

expansion

Local cities

All municipalities

Prefectural capital-size cities

Approx.

８０％

Major cities

Approx.

２５％

Approx.

６０％

Population coverage Bring forward/accelerate area deployment 2012/3E 2013/3E 2014/3E 2015/3E Approx.

９８％

(Year ended/ing March 31)

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Smartphone/Xi (”crossy”) Subscription Forecasts

¾ Aim to increase total smartphone subscriptions to 40 million and Xi subscriptions to 30 million by 2016/3, through the execution of various measures for expanded adoption

*1 No. of smartphone subscriptions includes subscriptions to tablet devices.

*2 No. of Xi subscriptions includes subscriptions to data communications devices, Wi-Fi and tablets.

2016/3E 2011/3 2.40 2012/3E 10.20

40.00

（Million subs） 2016/3E 2011/3 0.03 2012/3E 1.30

30.00

2016/3 target

40 million

Smartphone

2016/3 target

30 million

Ｘｉ

(LTE)

（Million subs）

Smartphone subscriptions*1 _{Xi (LTE) subscriptions*}2

(Year ended/ing March 31)

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Copyright(c) 2011 Nippon Telegraph and Telephone Corporation 0.50 0.49 0.48 0.46 0.49 0.94 0.44 0.49 0.45 0.46 0.44 0.52 0.44 0.52 0.51 0.68 0.74 0.85 0.00 0.50 1.00 1.50 2.00 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q

Mobile Churn Rate

■Cellular （Ｘｉ+ＦＯＭＡ+ｍｏｖａ）churn rate

2008/3 2009/3

2008/3 Full

2008/3 Full--year churn rate:year churn rate: 0.80%

0.80% 20020099/3 Full/3 Full0.0.--55year churn rate:year churn rate:0%0%

2010/3

20

201010/3 Full/3 Full--year churn rate:year churn rate: 0.

0.4646%%

2011/3

20

201111/3 Full/3 Full--year churn rate:year churn rate: 0.

0.4747%%

¾ 2012/3 (2Q) cellular churn rate maintained very low at 0.50%

2012/3 Year ended/ing March 31 （％） SoftBank SoftBank KDDI (au) KDDI (au)

docomo

▲ＭＡＸDiscount services (Aug. 07)

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Copyright(c) 2011 Nippon Telegraph and Telephone Corporation 1,183 1,185 1,165 1,133 1,120 1,014 1,060 1,127 1,133 1,163 4,224 4,284 4,448 4,712 4,788 1,333 1,260 1,316 1,323 1,290 4,027 3,964 4,065 4,210 4,308 0.0 5,000.0 10,000.0 2007/3 2008/3 2009/3 2010/3 2011/3 2012/3E

Changes in Consolidated Operating Revenue

Regional communications business

Long distance and international communications business Mobile communications business Data communications business Other business 10,760.6 10,680.9 10,416.3 10,181.4 10,305.0 10,540.0 Consolidated

Operating Revenue (billion yen)

Year ended/ing March 31

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Copyright(c) 2011 Nippon Telegraph and Telephone Corporation 82.8 58.8 _77.0 0.0 773.5 796.5 _825.4 828.4 839.1 59.7 105.8 96.9 98.2 97.1 0.0 44.9 13.3 15.2 78.9 61.3 64.9 86.8 115.9 285.6 70.5 82.1 127.3 0 500 1,000 1,500 2007/3 2008/3 2009/3 2010/3 2011/3 2012/3E 1,107.0 1,304.6 1,109.8 1,117.7 1,214.9 1,250.0

Changes in Consolidated Operating Income

Consolidated

Operating Income _{(billion yen)}

Year ended/ing March 31

*Business segment operating revenues include intersegment transactions

Long distance and international communications business Mobile communications business Data communications business Other business

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Financial Impact of the Great East Japan Earthquake

* Includes the effects of the decrease in base rates of 3.0 billion yen and a decrease in special losses of 5.0 billion yen.

¾ NTT Group’s consolidated loss due to effects from the earthquake was 20.0 billion yen and Capital Investment was 8.0 billion yen.

¾ The Revised Forecasts for loss and for Capital Investment remained at the same level as the Initial Forecast: 30.0 billion yen. 2012/3 Revised Forecasts 2012/3 2Q 2012/3 Initial Forecast Profit/loss Capital Investment Profit/loss Capital Investment Profit/loss Capital Investment Change from Initial Forecasts Change from Initial Forecasts NTT East

18.0 (2.0)

25.0

5.0

9.0

6.0

20.0

NTT DOCOMO

_10.0

－

5.0 (5.0)

9.0

1.0

10.0

others

_2.0

－

_2.0

－

NTT Consolidated

30.0 －

20.0

8.0

30.0

* (Billions of yen) Approx. Approx. Approx. Approx. Approx. Approx. Approx. Approx. Approx. Approx. Approx. Approx. Approx.

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Share Buy back

Mar. 31, 2010 Nov. 15, 2010 Nov. 15, 2011

Cancellation -125 mil. shares Treasury Stocks 251mil. shares <15.9%> 125mil. shares

＜＞：share holding ratio

Gov’t Owned Shares 530mil. shares Minimum for Gov’t Owning 473mil. shares <33％> Minimum for Gov’t Owning 431mil. shares <33％> Excess Holdings 58mil. shares _<37%> <36%> 1,574 1,449 1,323 125mil. shares 58mil. shares Jul. 5, 2011 Gov’t Owned Shares 431mil. shares <33％> By Mar. 31, 2012

Cancellation ① Buy back ① Cancellation ② Buy back ②

*1 Shares subject to cancellation are own shares held on March 31, 2010.

*2 Mandatory (minimum) number of shares to be held by the Government under the NTT Law = （total number of shares issued－30 million shares issued at the IPO in 2000) ×1/3

（Note）The number of shares issued after the initial listing are not to be included in the calculations. (NTT Law, supplementary provision 13)

Total number of shares issued (million shares)

58mil. shares 99mil. shares Excess Holdings 42mil. shares Gov’t Owned Shares 473mil. Shares <33%> Cancellation -125 mil. shares (*1) (*2)

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Copyright(c) 2011 Nippon Telegraph and Telephone Corporation 25,477 25,283 25,068 25,269 25,502 25,550 22,135 22,592 31,238 34,543 49,991 86,200 57,350 23,350 22,954 22,297 21,831 22,100 21,591 32,350 29,330 14,176 13,923 13,177 12,740 91,566 98,697 104,236 110,679 117,790 0 50,000 100,000 150,000 200,000 250,000 2007/3 2008/3 2009/3 2010/3 2011/3 2012/3E 199,733 193,831 196,296 194,982 219,343 224,800

Changes in Number of Employees

Long distance and international communications business Mobile communications business Data communications business Other business End of year/month Consolidated no. of employees

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Age Distribution at Regional Operating Companies

(As of March 31, 2011）

Age

Number of Employees 59 years old

* Figures for East Outsourcing Companies include the consolidated prefectural outsourcing companies (incl. NTT EAST-TOKYOMINAMI), NTT-ME and NTT EAST SOLUTIONS, while figures for West Outsourcing Companies include the consolidated regional outsourcing companies (incl. NTT WEST-KANSAI), NTT MARKETING ACT (outsourcing company in the management and marketing field), NTT NEOMEIT (outsourcing company in the facilities and equipment field). Figures for those companies include the number of employees who retired or will retire at the end of a fiscal year and who were rehired or will be rehired at the beginning of next fiscal year.

Number of Employees at NTT East, NTT West and “Outsourcing Companies”

20 30 40 50 60

0 2,000

4,000

6,000

8,000

Diversity of Employment System

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Copyright(c) 2011 Nippon Telegraph and Telephone Corporation NTT East NTT West NTT Communications NTT DATA Other group companies Long distance and international communications business Data communications

business Other business

100％* 100％ * 100％ * 54.2％ *

Regional communications business

real estate, finance, construction and power business •Operating revenues (consolidated):10,305.0 billion yen

•Operating income (consolidated): 1,214.9 billion yen

•No. of employees: 219,350

•No. of subsidiary companies: 756

Operating Revenue: Operating Revenue: Operating Income: Operating Income: No. of Employees: No. of Employees: No. of Subsidiaries: No. of Subsidiaries: 4,027.2 billion yen 127.3 billion yen 92,000 93 1,332.7 billion yen 97.1 billion yen 29,000 245 1,163.2 billion yen 77.0 billion yen 50,000 213 1,120.3 billion yen 44.9 billion yen 26,000 77

Highlights by Segment (Finance and Operation Data)

NTT DOCOMO Mobile communications business 66.6％ * 4,224.3 billion yen 839.1 billion yen 23,000 128

* Percentage figures show the percentage of voting rights (September. 30, 2011)

•Financial year ended March 2011. Operating revenue and operating income of each segment include intersegment transactions.

Dimension Data