Agenda. I. Introduction to SK Telecom. II. Why LoRa? III. How did SKT build its LoRa network? IV. What success did LoRa have? V.

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2 Agenda I. Introduction to SK Telecom II. Why LoRa? III. How did SKT build its LoRa network? IV. What success did LoRa have? V. Use Cases

3 I. SK Group With 2015 revenues of $157B, SK Group of Companies is the 2 nd largest conglomerate in Korea and 57 th in Fortune Global 500. $157B Rev. in 2015 GLOBAL RECOGNITION Ranked 57 th in Fortune Global 500, Wal Mart 13 Samsung 24 GE 33 AT&T 57 SK 82 IBM 95 MS 99 Hyundai

4 I. SK Group SK Group operates 86 affiliated companies with 82,700 employees across the world. - Strong presence in Energy & Chemicals, Information Technology, and Construction

I. SK Telecom No. 1 mobile network operator in Korea 49% market share 29.45 million subscribers (2016 3Q) USD $14.

4% World s 1 st Wideband LTE-A(20+10+10 CA) (2014) Wideband LTE-A(20+10 CA) (2014) Wideband LTE-A(10+10 CA) (2013) LTE Advanced (2013) 5.

5 I. SK Telecom No. 1 mobile network operator in Korea 49% market share million subscribers (2016 3Q) USD $14.6 billion in revenues (2015) Net income USD $1.3 billion EBITDA margin: 27.4% World s 1 st Wideband LTE-A( CA) (2014) Wideband LTE-A(20+10 CA) (2014) Wideband LTE-A(10+10 CA) (2013) LTE Advanced (2013) 5.76Mbps HSUPA (2007) Handset based HSDPA (2006) Satellite DMB (2005) WCDMA R4 (2003) CDMA x/EV-DO (2000) CDMA (1996) Korea s 1 st LTE-Advanced Pro (2016) LTE (2011) - World s 1 st fastest 1mn subs - World s 4 th largest LTE subs HSPA+ (2010)

6 I. SK Telecom Advanced Data Company

7 I. SK Telecom T map : #1 Mobile Navigation App in Korea 12,000,000 10,000,000 8,000,000 6,000,000 4,000,000 2,000,000 SK T map KT olleh Navi. LG U+ Navi. Kakao Navi

I. SK Telecom Valuable insights on consumer behavior 10.

serve our customers. Where do people stay the longest?

8 I. SK Telecom Valuable insights on consumer behavior 10.6M monthly active users on T map helps us better understand and serve our customers. Where do people stay the longest? The Most Popular Place on New Year s Holidays How much does a new road help the traffic flow? Wedding 2hrs & 10mins 2hrs & 10mins Funeral hrs hrs What can IoT teach us about consumers, businesses and government?

I. SK Telecom IoT Market Opportunity Smart City global spending is expected to exceed $1.

75M SMART ENVIRONMENT & INDUSTRIAL Forest fires Air pollution Earthquake sensors Avalanche

Bicycles Kids Pets Insurance valuable assets Find my stuff 250M SMART CITY 200M Smart

monitoring Trash and waste containers Public events directions, location services

Animal tracking Animal sensing ovulation, birth [Unit: No.

9 I. SK Telecom IoT Market Opportunity Smart City global spending is expected to exceed $1.5T USD by 2020! 75M SMART ENVIRONMENT & INDUSTRIAL Forest fires Air pollution Earthquake sensors Avalanche and flooding Heating and AC Equipment status Factory control TRACKING Motor bikes Cars Bicycles Kids Pets Insurance valuable assets Find my stuff 250M SMART CITY 200M Smart parking Traffic sensors & control Street lighting Bridge, building, and infrastructure monitoring Trash and waste containers Public events directions, location services Advertising displays and signages AGRICULTURE Irrigation control 25M Environment sensing Animal tracking Animal sensing ovulation, birth [Unit: No. of Connections] 450M SMART METERING Electric smart grid Water meters Gas meters Infrastructure & production 100M SECURITY/SMART HOME Smoke detectors Security systems Smart appliances Heating control/monitoring (Source: Semtech)

10 II. Why LoRa? Low Power Wide Area (LPWA) network provides: 1 Large Coverage, 2 Low Chipset Cost, 3 Low Power Consumption Data rate 100Mbps Short- Cellular N/W (2G, 3G, 4G) 10Mbps Range N/W Price 1Mbps (Wi-Fi, ZigBee, 1kbps Bluetooth) Coverage LPWAN few m(indoor) 100m 1Km 10Km Coverage

low-cost. LPWA, LTE-M Features LoRa Features Long Range Greater than cellular Deep indoor coverage Star topology Max.

11 II. Why LoRa? LoRa 1) is a wireless technology for IoT with many strengths such as low-data rate, long range, max battery time and low-cost. LPWA, LTE-M Features LoRa Features Long Range Greater than cellular Deep indoor coverage Star topology Max. Battery Time Low power optimized 10-20yr. lifetime >10x vs cellular M2M Low OpEx CapEx Minimal infrastructure Low cost end-node Open SW Multi-Usage High capacity Multi-tenant Public network 1) LoRa: Long Range Network

12 II. Why LoRa? LoRa technology has the advantages of commercial readiness, frequency/system/device cost and open technology. Note LPWA LoRa Sigfox NB-IoT LTE MTC Cat.1 Frequency Band Unlicensed (920MHz) Unlicensed (920MHz) LTE Band (In-band, Guardband) LTE Band Standardization LoRa Alliance Complete ETSI Complete 3GPP Complete( 16.3Q) 3GPP Complete Max. Data Rate 5.47 kbps 100 bps 200 kbps DL/UL: 10/5Mbps Commercialization Time Commercialized Commercialized Expected to the first half of 2017 Commercialized Device IP Stack Non-IP Non-IP Non-IP, IP IP Module Chip Price About $5 ~ $10 About $5 ~ $10 About $10 About $20

13 III. Building the LoRa Network Regulations in Korea In order to provide LoRa N/W service, it must satisfy technical standard for RFID/SUN. Output per Channel of RFID/USN Channel 1, 3, 4, 6, 7, 9, 10,12, 13, 15, 16, 18 2, 5, 8, 11, 14, 17, 19, 20~25 Reference under 3mW under 10mW 26~32 under 25mW Terms of Use for RFID/USN One of the following should be used to reduce frequency interference. - Frequency hopping - LBT(Listen Before Transmission) - Duty Cycle 20~32 under 200mW * only Point-to-multipoint LoRa N/W 200mW 25mW 10mW 3mW 917MHz MHz

14 III. Building the LoRa Network Global Spectrum 902~928MHz 863~870MHz 430~433MHz Regional ISM Band US, APAC EU, APAC EU: 433MHz APAC: 430MHz Service Type RFID SRD (Short Range Device) - Device Output Power (UL Power) US: 30dBm APAC: 14dBm EU: 20dBm APAC: 14dBm 10dBm Dens-Urban US: 0.88Km APAC: 0.32Km US: 0.48Km APAC: 0.32Km 0.5Km Coverage 1) Urban Sub-Urban US: 1.84Km APAC: 0.64Km US: 5.2Km APAC: 1.75Km US: 1.0Km APAC: 0.68Km US: 2.8Km APAC: 1.9Km 1.0Km 2.8Km Rural US: 15Km APAC: 5.0Km US: 8.0Km APAC: 6Km 8.0Km 1) Indoor service available (In-Building margin considered)

III. Building the LoRa Network Hybrid Approach SK Telecom has built a nationwide IoT hybrid network: LTE-M + LoRa - Flexibility to meet more application requirements: once per day to near real-time

progression of LTE-M LTE-M IoT Hybrid Network LPWA (LoRa) +LTE-M device LTE base station LTE gateway IoT platform application server LoRa rollout began in January 2016 and expanded nationwide in June

15 III. Building the LoRa Network Hybrid Approach SK Telecom has built a nationwide IoT hybrid network: LTE-M + LoRa - Flexibility to meet more application requirements: once per day to near real-time updates Completed LTE-M nationwide deployment in March Enable services requiring low power and small data (downstream 10Mbps, upstream 5Mbps) - Development of compatible devices to support progression of LTE-M LTE-M IoT Hybrid Network LPWA (LoRa) +LTE-M device LTE base station LTE gateway IoT platform application server LoRa rollout began in January 2016 and expanded nationwide in June Successful testing of LPWA device, base station, network server development and interworking - First field tests at metropolitan areas of Daegu, Daejon and Sejong CEI 920Mhz Backhaul (Wired/3G/LTE) TCP/IP TCP/IP + LoRa Device LoRa Base station LoRa NW server IoT Platform application server

III. Building the LoRa Network Nationwide Coverage In six months, SK Telecom has deployed LoRa network nationwide, completing in June 2016. Network Deployment LoRa Network Highlights [ Phase Ⅰ: ~May.

16 III. Building the LoRa Network Nationwide Coverage In six months, SK Telecom has deployed LoRa network nationwide, completing in June Network Deployment LoRa Network Highlights [ Phase Ⅰ: ~May. 16 ] [ Phase Ⅱ : ~Jun. 16 ] City wide Proof-of-Concepts Nationwide LoRa network Nationwide coverage - 99% of the whole population - 90% of the total land area High Quality of Service (QoS) - 1 time transmission success rate: 90% - 3 times re- transmission success rate: +99% - Up/Downlink transmission available Operational Risk Management - Redundant network server configuration - Redundant back-haul: 3G +LTE dual modem

17 III. Building the LoRa Network Real Examples SK Telecom has installed LTE-M & LoRa network equipment to support various IoT devices. IoT Network System IoT Devices Wearable Tracker Bicycle Tracker LoRa Base station (similar in size to Wi-Fi AP) IoT Network Gas/Water AMI 1) Indoor Sensor Simple installation to existing outdoor base station and antenna One Base station can cover ~20 Km * AMI: Advanced Metering Infrastructure

18 III. Building the LoRa Network ThingPlug Platform SK Telecom s ThingPlug is an integrated IoT platform that supports international IoT standards and open APIs for various services. Plug-In things to SKT IoT platform All Things can be connected easily like Plug-In Open platform to supports various services

19 III. Building the LoRa Network IoT Ecosystem

20 IV. LoRa Results Project Pipeline SK Telecom is pursuing several IoT and analytics projects, each in various stages of development, proposal and field tests. Proposed to customer Developing Biz. and solution Category Metering Gas AMI Water AMI Parking lot sharing Parking lot Sharing Residence parking lot sharing Environment monitoring Heat Pump monitoring Portable toxic gas detector Beauty Device OBD monitoring Monitoring LPG Storage controlling Temperature monitoring Traffic light monitoring Manhole monitoring Smart node/light E-Paper Display Solar Power module monitoring Facility monitoring Safe Watch Water level monitoring Rental Asset Tracking Tracking Rolltainer Tracking Guard (Tracking for safety) Elderly Tracking T-Helper

21 IV. LoRa Results IoT-fied City Vision

22 IV. LoRa Results Market Impact IoT Market Leader in South Korea 2 Million Subs (No.1 IoT Provider in South Korea, 38% M/S) Over 600 models of M2M/IoT Devices & over 60 Services The First Open M2M/IoT Platform in South Korea The Only M2M/IoT Platform can provide LTE, WCDMA and CDMA in South Korea (Sources: MSI/SKT Statistics) *MSI: Ministry of Science and ICT

23 V. Use Cases SKT has commercialized many LoRa based IoT use cases through cooperation with partners to develop and sell solutions that benefit public services to citizens. Metering Tracking Others Water LPG Elder Bicycle Motorbike Parking lot Sharing Restroom Vacancy Gas Electricity Products Safe Watch Monitoring Rolltainer Tracking Water Level Monitoring OBD Construction Manhole Golf course Toxic Gas Detector Electronic Anklet Street Light Door Fire Traffic Light Temperature Asset Tracking Trailer Tracking

metering device Gas Electricity Repeater

24 V. Use Case - Metering AMI automates remote monitoring and control of utilities without manual inspection. Collect and analyze utility and energy usage data for more efficient control Examples: water, electricity, gas Smart metering device Gas Electricity Repeater DCU Server Administrator AMR Data Mechanical Multifunction LoRa LoRa 3G Internet Water Flow meter Transmitter Remote control AMR Data Installation info.

25 V. Use Case - Metering AMI automates remote monitoring and control of utilities without manual inspection. Real application examples Gas AMR for SK E&S (Automatic meter reading) Installed in Busan and Seoul (800 households) Transmitter Site 1: Pusan Sun Plaza Apt. Verification item Goal Result Installed 247 EA AMI data transmission success rate AMI data error rate > 99% 99.93% < 1% 0.045% Concentrator Installed 1 EA

26 V. Use Case - Monitoring Smart Parking provides real-time information on location, availability and fee of parking spaces by using terrestrial magnetic sensors connected to LoRa network. Real-time search for available parking space Install magnetic sensor in each parking spot to monitor and detect availability Drivers can search for nearest or desired available parking space App(Status) App(Payment) Monitoring Web

V. Use Case - Monitoring Continuous monitoring of environmental conditions can provide

Better insight: combine weather info with data from environmental sensors Optimize

Identify sensitive locations using GPS and ibeacon Remotely monitor from safe area using

27 V. Use Case - Monitoring Continuous monitoring of environmental conditions can provide critical alerts or help predict patterns of unsafe or suboptimal conditions. Better insight: combine weather info with data from environmental sensors Optimize businesses: large farm and golf courses Detect unsafe levels of oxygen or toxic gas Identify sensitive locations using GPS and ibeacon Remotely monitor from safe area using smart phone app Protect lives: monitor unsafe air pollution and flood levels Useful in construction sites and chemical factories

28 V. Use Case - Tracking Track location of individuals, such as children and pets. Integrate with other solutions such as video surveillance to detect relevant status information. Locate missing people to prevent disappearances and accidents Combine location information with other services for more complete information on status and location surroudings LoRa

30 Appendix. LoRa-based Smart Metering Service [ Site A] [ Site B ] Mounted Transmitter (Mounted Transmitter) (LoRa Gateway) (Mounted Transmitter) (LoRa Gateway) [ Site C ] [ Site D ] Advanced Integrated Meter (Advanced Smart Meter) (LoRa Gateway) (Advanced Smart Meter) (LoRa Gateway)

31 Appendix. LoRa-based Tracking Service <Geeper> <Happy GPS> <Safe Watch>

32 Appendix. LoRa-based Environment Monitoring Service <Temperature/Humidity Monitoring> <Micro-Dust Monitoring> <Water-level Monitoring> <Earth Temperature/ Earth Humidity Monitoring>

33 Appendix. LoRa-based Equipment Monitoring Service <Underground Manhole Monitoring> <Traffic Signal light/street Light Malfunction Monitoring > <External LoRa Modem>

34 Appendix. LoRa-based Other Services <In-car Blackbox Collision Detection> <LoRa Pager>

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