16 years of experience in messaging business Messaging

16 years of experience in messaging business Messaging Solution Introduction Sure. M Co. , Ltd. Dec 14, 2015

Content I. Overview 1. Proposal purpose and directions 2. Advantages of Sure. M II. Messaging Service Introduction 1. 2. 3. 4. Range of services Service coverage Service details Message delivery tools III. Messaging System Introduction 1. Network configuration 2. Messaging system S/W configuration 3. Messaging process key features 4. System & service management IV. Company Introduction 1. 2. 3. 4. 5. Company overview Milestones and Awards Financial statement Organization chart Major clients Ⅴ. Appendix 1. X-Messenger Introduction

I. Overview 1. Proposal Purpose and Directions 2. Advantages of Sure. M

1. Proposal Purpose and directions Ⅰ. Overview We are offering you a system, combining 16 years of accumulated experience in messaging service system implementation and support. In addition, at your request we can provide marketing, technical consulting as business partner to further expand your business. Proposal Purpose and directions Highly stable customized G/W implementation and support • Redundant system • Customization • 24 hr technical support 16 years of accumulated Know-How • Know-how in messaging systems • 16 years of experience in messaging solutions Business partnership • Marketing consulting • Customized tool offer and support System implementation and support as long-term stable business partners 4

2. Advantages of Sure. M Ⅰ. Overview 2. 1. Externally recognized and financially strong company 1) Financial Stability • 15 consecutive years of profitable business and steady growth (CAGR : 26%) • More than 10% net profit rate / no debt or liabilities. <In millions KRW> Sales <In millions KRW> Net profit 3500 3000 2500 2000 1500 1000 500 0 25, 000 20, 000 15, 000 10, 000 5, 000 20 20 01 20 년 02 20 년 03 20 년 04 20 년 05 20 년 06 20 년 07 20 년 08 20 년 09 20 년 10 20 년 11 20 년 12 20 년 13 년 - 2) A variety of awards for 15 years: more than 10 times awarded. • 2014 : 15 Annual Technical Innovation award / Hi. Seoul Brand Company • Seoul Mayor, Small and Medium Business Administration, Ministry of Industry and Energy, Information and Communication Ministry awards etc 5

2. Advantages of Sure. M Ⅰ. Overview 2. 2. Efficient system with proven stability in a variety of services 1) 16 years of accumulated expertise in messaging • Focused on messaging services and related technologies 16 years since its establishment in 2000 2) Providing Intl SMS service to more than 220 countries • Stable established connections with mobile carriers in more than 220 countries 3) Over 4000 domestic and foreign corporate clients / 500, 000 individual subscribers Intl SMS clients Naver LINE Kakaotalk Chat. On Mypeople Facebook 4) The largest domestic SMS G/W system (see SMS G/W case study) Major G/W users Samsung Insprit BCcard Standard Chartered Public Institutions 6

2. Advantages of Sure. M Ⅰ. Overview ※ SMS G/W system case study: the largest SMS G/W system in South Korea. Business Clients Category Detail S Fire 1 st Financial institution M Freei Wireless Portal Establishing fee reduction ad system via SMS Integrated System M Planning Outdoor Advertising Establishing wireless LED dashboard via SMS Integrated System S Electronics Manufacturing Industry S SDS SI Solution NIA National Institute SMS/LMS Integrated System of national network of emergency contacts MMAF National Institute SMS/LMS Integrated System Establishment for wire/wireless portal service MSN S/W Development MSN messenger Alert Service and Integrated System Establishment S Fashion Wiz IT SI Solution B* Card 2 nd Financial Institution SMS/LMS Integrated System Establishment for credit card agency C Bank 1 st Financial Institution SMS/LMS Integrated System Establishment for banking service K** National Institute SMS/LMS Integrated System Establishment D Security SMS/LMS Integrated System Establishment KBF 2 nd Financial Institution KEC National Institute SMS/LMS Integrated System of traffic report for expressway MEHRD National Institute SMS/LMS Integrated System Establishment G** Pharmaceuticals SMS Integrated System Establishment for vaccine management Fed* Distribution SMS/LMS Integrated System Establishment Interlocking mobile portal via SMS/LMS Integrated System Interlocking Samsung Group’s group ware SMS/LMS Integrated System of CRM system SMS/LMS Integrated System for 2 -way messaging service SMS/LMS Integrated System Establishment of bond management SMS 7 Integrated System Establishment for tracking luggage

2. Advantages of Sure. M Ⅰ. Overview 2. 3. Leading international SMS messaging technology 1) Support of local languages (Domestic only) • SMS/LMS can be sent in the language of the country you choose • English, French, Spanish, Chinese, Arabic, etc. language support is available all over the world 2) International standard SMPP protocol support • Industry-standard protocol used worldwide in the field of mobile messaging • In conjunction with several providers providing the service 3) The first company to launch LMS service • Chinese LMS service opened in 2013 • LMS feature available for China, Taiwan, Thailand, Indonesia etc • Constant coverage expansion • A variety of codes and languages 8 [LMS screenshot]

2. Advantages of Sure. M Ⅰ. Overview 2. 4. Customized server / system Offering G/W server and operating system customized to our client’s request Providing support for any development environment Supported OS Supported DB Supported programming languages Windows MS-SQL Java Linux Oracle C, C++ Unix DB 2 Delphi etc My-Sql C# etc 9

2. Advantages of Sure. M Ⅰ. Overview 2. 5. A variety of operational know-how accumulated over 10 years in business 10 -year of accumulated DB / routing management know-how = high transmission success rate 1) Country numbering DB accumulation • 2) Recipient number check to prevent failure due to wrong number Success rate check in the DB • 3) Routing according to success rate per country / carrier Real-time monitoring system: in case of failure alarm management enables immediate response 4) Auto-routing : If the rate of retransmission attempts exceeds a certain level, automatically changing network Systematic network management service for non-stop service 1) Dual service system • 2) Including the IDC, established unified redundant system Automatic alarm system • 3) Alarm system per destination / Notification to account manager and tech support Quality monitoring • Quality monitoring through regular network tests • Routing change based on monitoring results 10

2. Advantages of Sure. M Ⅰ. Overview 2. 6. Help Desk support 24/7 1) Support available in many ways • 2) Phone, Skype, e-mail, online 1: 1 consulting Customer line for off-hours (+82 2 1588 4640) • 24/7 customer support • Immediate response in case on system failure • Tel : +82 2 1588 4640 /Skype : surem_international /wechat : eunhwa 90 3) Remote technical support • Our technical staff can help you solve any technical issues by remote access to your PC 11

II. Messaging Service Introduction 1. 2. 3. 4. Range of services Service coverage Service details Message delivery tools

1. Range of services II. Messaging Service Introduction 1) Korea South messaging services • SMS service - Transmitting short messages to mobile phone users • LMS service - Transmitting long messages to mobile phone users • MMS service (Composing MMS pictures / Mobile maps) - Transmission of pictures, multimedia, URL-links, mobile maps etc. • ACS service (ACS : Auto Calling Service) - Automatically dialing the customer's phone number in association with DB and Web servers • MO service - Receiving response messages from phone users • Personal authentification service - Basic authentification : a one-time password issued to a mobile phone - Advanced authentification : checking user identity with mobile carrier 13

1. Range of services II. Messaging Service Introduction 2) International messaging service • 2 Way SMS service (Inbound / Outbound SMS) - Sending SMS to 227 countries (Foreign language support) • Concatenated SMS and MMS service - MMS and Concatenated SMS service to 200+ countries • Mobile verification service - Phone number validity check by sending a verification SMS • ACS service - Automatically dialing the customer's telephone number in association with the DB and Web servers • Number look-up service (status check) - Checking phone number details in central DB (subscriber information) • Japanese international messaging service - International messaging to Japan in any language • Chinese international messaging service - 2 -way SMS service between China and Korea 14

2. Service coverage II. Messaging Service Introduction • TOP in Korea! SMS delivery to 227 countries (see country list) • The largest direct connection network in Korea • Send messages in different languages to different countries Europe 54 America Africa 44 America Asia Oceania South countries North countries Middle countries 45 East 16 countries 30 countries 22 carriers 9 269 271 218 67 carriers 114 carriers 47 38 15

2. Service coverage II. Messaging Service Introduction Ensuring the best quality of service through direct connections in more than 50 countries 16

2. Service coverage II. Messaging Service Introduction Local languages supported English, Japanese, Chinese, Arab etc Messages can be sent in any language in the world. 17

3. Service details II. Messaging Service Introduction 1) SMS verification service 　　　: Verification code sent via SMS, allows to check validity of the phone number [2341] OO が送信した認証番号です。 [Verification request] [Code generation(DB)] [SureＭ] [Carrier] [SMS with code] Example : Check the validity of phone number Method : Send one-time password through SMS; Let Web users or smart phone users to type in one time password received by SMS 18

3. Service details II. Messaging Service Introduction 2) International Concatenated messages transmission ■ The first to launch international LMS service in Korea and rapidly expanding 200+ countries coverage (Japanese LMS) (Indonesia LMS - ENG) (Chinese LMS) 19 (Chinese SMS)

3. Service details II. Messaging Service Introduction 3) International MMS service ■ International MMS delivery (currently China only) • Expanding the coverage, provided per request 20

3. Service details II. Messaging Service Introduction 4) MMS service New service – mobile maps via MMS and picture combination feature Mobile map service • Description : Sending mobile map to your clients • Advantage : You may send text messages along with the map picture (up to 2000 bytes) • Benefit : Customer satisfaction (convenient notification service) [Mobile map MMS sample] MMS combination service • Description : Add text or barcode to the image • Advantage : Use barcodes for events, offers, coupons • Benefit : No need to send a separate SMS with event info [Coupon MMS sample] 21

3. Service details II. Messaging Service Introduction 5) MMS creation tool : image Editor • • Easy to use, even for amateurs New image can be created with pictures provided free of charge Time to create a new image (for amateurs) 1 mi n Main features - Various free images - Text editor - Emoticons/stickers - Pre-view - Maps - Barcodes/QR-codes 22

3. Service details II. Messaging Service Introduction 6) ACS service (International Auto-Calling Service) - Service allowing to transform written text into speech [2341] Your code for OO application [ACS request] [Code generation (DB)] [Sure. M] [Carrier] [Code delivery] • Examples : Delivering verification codes • Method : Let Web users or smart phone users to type in one time password received by ACS 23

3. Service details II. Messaging Service Introduction 6) ACS service (International Auto-Calling Service) ■ Combining SMS and ACS guarantees higher subscription rate! ■ Use cases : Solution when SMS can not be delivered • Used in cases when customer can not be reached via SMS - Poor network area - Certain foreign carriers, not supporting SMS verification Using ACS instead of SMS è No more customer complaints on verification issue ■ Advantage • User aspect : multi-lingual support (pre-recorded language can be selected) • Client aspect : ACS delivery report - Client can check if the phone call was accepted or not 24

3. Service details II. Messaging Service Introduction 7) Subscriber check [Look-up Service] - Provides mobile number information from the central DB of all mobile subscribers - Country, mobile carrier, number portability, roaming status - Filter virtual numbers and unavailable numbers before sending SMS ① ② ③ ④ ⑤ ⑥ Client sends look-up service request (mobile number) Sure. M sends look-up request to the service provider Service provider receives the requested number from Sure. M Searches for the information in the central DB Service provider sends the results to Sure. M simplifies the result adapting to the client's request / forwards the result 25

4. Message delivery tools II. Messaging Service Introduction 1) Web interface : supported in 5 languages Japanese : jp. surem. net/ English : www. Sure. M. net 26

4. Message delivery tools II. Messaging Service Introduction 1) Web interface : supported in 5 languages French : fr. surem. net Russian : ru. surem. net Chinese: cn. surem. net 27

4. Message delivery tools II. Messaging Service Introduction 2) Message transmission via interconnection : various modules • Preferred modules available for interconnection with client DB - Customer DB integration - Can be integrated with the current DB, without any separate programs - Implementation of dedicated interface • Interface sample source provided • Supported OS, DB, programming environment Supported OS Supported DB Supported programs Windows, Linux, Unix etc MS-SQL, Oracle, DB 2, My-sql etc Java, C, C++, Delphi, C# etc Transmission module support [ Client ] [ Client messaging system ] ASP, PHP, Delphi, VB, JAVA, C++ DB-exe (Window, Linux) 등 28 [ Sure. M G/W system ]

III. Messaging System Introduction 1. Network configuration 2. Messaging system S/W configuration 3. Messaging process key features 4. System & service management

1. Network configuration III. Messaging System Introduction 1) Network Diagram - Dual system, dual IDC, diversified international routes support - Dual IDC: Located in Seoul area, including redundant configuration system. - International routing through various channels Active System IDC #1 Korean carriers (SKT, LGU+ Korean transit operators Client’s messaging system Dual IDC Foreign SMS provider A Foreign SMS provider B Standby System IDC #2 30 Foreign SMS provider C :

2. Messaging system S/W configuration III. Messaging System Introduction 1) S/W configuration 1) Service system consists of management module, G/W module and DB module 2) Connecting client, mobile operator and international gateway via system integration module S/W Configuration Details Messaging G/W System Management Module • • Integration Module Server Management Access Authority Statistics Recovering error and wireless monitoring G/W Module • Gateway Integration • Mobile Operator Integration DB Module • SMS Transmission Client Integration • Transmission Table • Back-up Table • Statistics Table • Web-integrated transmission Table • Data Verification • SMS delivery status • Client Integration 3 Mobile Operators Integration International Gateway Integration 31

3. Messaging process key features III. Messaging System Introduction 1) Messaging transfer details overview Sure. M applied 15 years of know-how to creating the system we use today, constantly improving technological performance. Transmission efficiency Customer care (1) Prioritizing transmission flow (1) Monthly and daily flow capacity (2) Pre-processing mobile numbers (NPDB) (2) Customizable capacity limits (3) SMS / Concatenated messages differentiation (length check) (3) Different capacity depending on industry Error and failure prevention SPAM filtering (1) Duplicated transmission prevention (1) Preliminary check of URL-links (2) Night transmission disable function (2) Content filtering (4 languages) (3) Retransmission of failed messages (3) Sender ID blacklisting feature (4) Monitoring of transmission and results (4) OPT-out service & opt-out register 32

3. Messaging process key features III. Messaging System Introduction 2) Transmission efficiency Item Priority management Message length check Description and effects - Emergency message (balance notifications, authentication, etc. ) the ability to handle priority over advertising messages - Dispatch modules, SMS G/W provide the ability to handle priority task - To prevent content loss in SMS, concatenation feature is available Priority management SMS transmission ② A_Agent Queue 긴급 ① B_Agent Queue urgent B_Agent C_Agent Queue urgent C_Agent D_Agent Queue Sent by priorit y urgent D_Agent ① High-priority messages : No queuing, transmitted first without delay ② Providing queue data per each Agent ③ Agent’s SMS G/W system transmission ④ SMS G/W internal priority management 33 ③ ④ SMS G/W system

3. Messaging process key features III. Messaging System Introduction 3) Proper customer care Description and effects Item MMonthly and daily flow capacity - Setting capacity for daily/monthly volume estimates per client ( - Preventing transmission channel lapse due to mass dispatch CCustomizable capacity limit - Managing limit of usage (volume- or balance-based) Daily/monthly capacity setting [SMS G/W transmission Agent 1] 2] Carrier Digicel NAT COM Daily/monthly capacity setting 34

3. Messaging process key features III. Messaging System Introduction 4) Error and failure prevention Item Description and effects Duplicated transmission prevention - Blocking the message transmission to the duplicated numbers Night transmission disable function - To prevent customer claims night transmission can be blocked Retransmission of failed messages - In case of failed delivery retransmission through back-up channel Monitoring of transmission and results - Real-time monitoring and routing management Duplicated transmission prevention #. 1 Step duplication check - Duplication check in the internal server, before transmitting the message to carrier #. 2 Step duplication check by carrier - Before transmission to recipient duplication check by carrier server Carrier 1 server 2 STEP log Carrier 2 server 1 STEP duplication check Relay server 2 STEP Carrier 3 server 2 STEP 35

3. Messaging process key features III. Messaging System Introduction 5) OPT-out feature Item OPT-out service & opt-out register Description and effects - Users who are willing to unsubscribe can do it using our service OPT-out service & opt-out register OPT-out request OPT-out YES Client’s Agent OPT-out request OPT-out YES Server 36 OPT-out server

4. System & service management III. Messaging System Introduction System monitoring and failure prevention thanks to 5 year-running - Full system management (server and routing) Service management scheme Alarm in case of system failure Sure. M operation management system [Web interface] Operation Management Server Failure alarm [E-mail] Carrier DB Dispatch server Transmission server [Main features] [Main components] Comprehensive management of available resources, expanded simply by adding management elements (1) Real-time check of each server and route condition (3) #. Server - CPU - Memory - HDD 용량 - Process - Server Up time - Port Server and route monitoring (2) [SMS] Service system Traffic management and data generation 37 #. Route - Network connection check - Ping Time #. Traffic monitoring and data generation

4. System & service management III. Messaging System Introduction 1) System and traffic flow management Process and transmission Resource management - CPU (customized) - Reset alarm (customized) - MEM (customized) - Transmission delay alarm (customized) - DISK (customized) - No delivery report alarm (customized) - PROCESS Name or Port Monitoring (customized) - Network Ping (customized) Traffic statistics Client management - Daily/monthly reports : full delivery details and causes of failure description - Disposition - DB lock monitoring - Transmission log : full delivery details and causes of failure description - Duplication monitoring - Service usage history - Success rate notification - Delivery history per mobile carrier - Error code alarm - Usage history of services : full usage details and causes of failure description - Data flow monitoring - Capacity limit alarm - Usage history per user ID - DR delay alarm - Statistical graphs and analysis - Intranet delay alarm - Failure rate monitoring 38

4. System & service management III. Messaging System Introduction 2) Real-time monitoring through application - Monitoring of traffic in real-time - Periodical check of quality of the current network and provider Monitoring scheme Installed app verification Client server Sure. M Int’l SMS provider Feedback and history log = delivery status, time check #. Based on the result, system check is performed. 39

4. System & service management III. Messaging System Introduction 3) System failure detection and alarm notification - Real-time traffic monitoring alarm in case of system lapse Failure alarm servise Client server Int’l SMS provider Sure. M No DR Recipie nt No DR Alarm - Client - Sure. M 40

IV. Company Introduction 1. 2. 3. 4. 5. Company overview Milestones and Awards Financial statement Organization chart Major clients

1. Company overview IV. Company introduction “Technology-based Mobile Service Provider” Officially recognized venture company Sustained growth /Solid financial structure - Received "Prime Minister" Award in September 2014 - Profit increase for 15 years - A net profit of 10% rise for 3 years - Selected as 'The Excellent Company Brand of Seoul' - Debt-free company Stable Existing Business /Launch a new Business Constant technical development and competitiveness - 4000 domestic & foreign companies / 500 thousand individual customers - Develop SMPP Standard protocol - Develop exclusive smart phone apps - Leader of Int'l SMS Market - Skilled technical professionals - 50% of the total employees - Launch a new business (IP camera) 42

2. Milestones and Awards (1) IV. Company introduction Company Established March 2000 CEO: Youn Joo Lim Total 55 employees Main Awards 02. 09. 02. 12. 2015 2014 2013 03. 2013 10. 2011 06. 11. 01. 11. 2011 2006 2005 2003 A selected enterprise by Hi-seoul for continuous contract renewal Received "Prime Minister" Award in September 2014 Selected as ' The Excellent Company Brand of Seoul' Acquired certification in venture company from technology Guarantees fund Selected as a promising company by the small & Mediumsized Business Administration Provided Mobile Verification Service through ACS to Samsung Electronics Selected as ' Technology Innovation Company'(Inno-Biz) Provided MS OUTLOOK MOBILE SERVICE (OMS) Provided international SMS/MMS to more than 200 countries Provided international SMS/MMS to more than 160 countries ※ OMS (Outlook Messenger Service) - Sending SMS from Microsoft Outlook. - Korea, China, India service coverage 43

2. Milestones and Awards (2) September 2004 Venture company Award Seoul Mayor Award IV. Company introduction 2005/2007 Small and Medium Business Administration awards January 2005 2004 Communication business award February 2009 Korea Digital Innovation award (ETRI) February 2014 Hi. Seoul Brand company September 2014 SME Technology Innovation award 44 October 2007 Korea E-business award (Ministry of Commerce) March 2015 Best Seoul taxpayer Seoul City Hall

3. Financial statement IV. Company introduction • 15 consecutive years of profitable business and steady growth / More than 10% net profit rate • No debt or liabilities. <In millions KRW> Type 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 Capital 302 445 905 1, 098 1, 200 1, 596 2, 147 1, 695 2, 481 1, 995 2, 418 2, 591 4, 249 Debt 162 755 875 1, 481 1, 678 3, 033 2, 439 2, 491 2, 494 1, 938 2, 322 2, 351 3, 151 Assets 464 1, 200 1, 780 2, 579 2, 878 4, 629 4, 586 4, 186 4, 975 3, 933 4, 740 4, 942 7, 400 Sales 929 2, 178 3, 730 4, 971 5, 945 9, 393 10, 270 9, 644 12, 686 15, 173 14, 295 15, 846 19, 100 Net profit 39 352 460 507 311 711 1, 307 566 1, 542 1, 025 1, 430 1, 685 3, 321 25, 000 Sales 3500 3000 2500 2000 1500 1000 500 0 20, 000 15, 000 10, 000 5, 000 20 20 1년 0 20 2년 0 20 3년 0 20 4년 0 20 5년 0 20 6년 0 20 7년 0 20 8년 0 20 9년 1 20 0년 1 20 1년 1 20 2년 13 년 01 20 년 02 20 년 03 20 년 04 20 년 05 20 년 06 20 년 07 20 년 08 20 년 09 20 년 10 20 년 11 20 년 12 20 년 13 년 - Net profit 45

4. Organization chart IV. Company introduction “Technical professional – 50% of staff. Making Sure. M leader in latest technologies” C. E. O Operation Division Domestic Sales Team Int’l Sales Team Technical Team Business Planning Division Planning Team Legal Team 46 Support Team Research Team 1

5. Major clients IV. Company introduction “Number 1 in Int’l SMS market! : 4000 corporate and over 500 000 individual subscribers” Domestic Public organizations Foreign Mobile apps LINE 47

Ⅴ. Annex: X-Messenger introduction

V. Annex 1. X-Messenger Introduction 1) X-Messenger? - PC-based SMS / MMS transfer program using Excel data • Up to one million simultaneous transmissions • Message combination feature • Easy and convenient interface created for the customers 2) X-Messenger features • MMS delivery (2000 byte, +image) • Reservation delivery (Manually managed by customer) • Bulk delivery (send messages to thousands of numbers at the same time) • Delivery result available in real-time (Number, content, delivery status ) • Message combination feature • Message templates (classified by industry) • Checking numbers for duplication • Multiple users for one ID 49

V. Annex 1. X-Messenger Introduction 5 7 6 [ X – messenger active screen ] X-messenger Main Features 5 Recommended messages : Emoji / Love, friendship /Jokes / Congratulations. . Send a message with one click. 6 7 Checking numbers for duplication : In case there are duplicated numbers in the list of destination addresses, the program automatically outlines them and compiles a new list, exempt of same entries. Automatic insertion function (company, name, etc) allows automatically fill in the same fields in the template of SMS 50

V. Annex 1. X-Messenger Introduction 4) X-messenger advantage – combining feature X-Messenger message combining feature example (Excel) Name Mr Kim Mr Lee Mr Yu Mr Pak Overdue balance 120, 000 240, 000 365, 000 125, 000 Date April 2 April 8 April 19 Office Boston NY LA Miami Sending personalized messages 51 Phone number 010 -5626 -8506 010 -5984 -5258 010 -5948 -5120 010 -5455 -4451

Thank you.