Sterlite Technologies Limited. — Investor Presentation 2020

Sep 5, 2020

www.stl.tech

September 5, 2020

National Stock Exchange of India Limited

Exchange Plaza, 5th Floor, Plot No. C-1, G Block, Bandra Kurla Complex, Bandra (East) Mumbai - 400 051.

BSE Limited Phirozee Jeejeebhoy Towers, Dalal Street, Mumbai - 400 001.

Dear Sir/ Madam,

Sub: Intimation of Key Discussions in STLescope Tech Talk – Virtual Meet

Further to our intimation dated September 3, 2020 and pursuant to Regulation 30(6) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you the key points discussed in the Virtual Tech Talk on 4th September, 2020.

The presentation of the STLescope Tech Talk is attached herewith.

Kindly take the above on your record & acknowledge the receipt.

Thanking you,

Yours faithfully,

For Sterlite Technologies Limited

Amit Deshpande Company Secretary & Corporate General Counsel

**stl.**tech

Wireless Technologies - A Disruptive Future Awaits

4 st September 2020

Safe Harbour

Certain words and statements in this communication concerning Sterlite Technologies Limited ("the Company") and its prospects, and other statements relating to the Company's expected financial position, business strategy, the future development of the Company's operations and the general economy in India & global markets, are forward looking statements.

Such statements involve known and unknown risks, uncertainties and other factors, which may cause actual results, performance or achievements of the Company, or industry results, to differ materially from those expressed or implied by such forward-looking statements.

Such forward-looking statements are based on numerous assumptions regarding the Company's present and future business strategies and the environment in which the Company will operate in the future.

The important factors that could cause actual results, performance or achievements to differ materially from such forward-looking statements include, among others, changes in government policies or regulations of India and, in particular, changes relating to the administration of the Company's industry, and changes in general economic, business and credit conditions in India.

The information contained in this presentation is only current as of its date and has not been independently verified. No express or implied representation or warranty is made as to, and no reliance should be placed on, the accuracy, fairness or completeness of the information presented or contained in this presentation. None of the Company or any of its affiliates, advisers or representatives accepts any liability whatsoever for any loss howsoever arising from any information presented or contained in this presentation. Please note that the past performance of the Company is not, and should not be considered as, indicative of future results. Furthermore, no person is authorized to give any information or make any representation which is not contained in, or is inconsistent with, this presentation. Any such extraneous or inconsistent information or representation, if given or made, should not be relied upon as having been authorized by or on behalf of the Company.

The Company may alter, modify or otherwise change in any manner the contents of this presentation, without obligation to notify any person of such revision or changes.

Persons should consult their own financial or tax adviser if in doubt about the treatment of the transaction for themselves

These materials are confidential, are being given solely for your information and for your use, and may not be copied, reproduced or redistributed to any other person in any manner. The distribution of this presentation in certain jurisdictions may be restricted by law. Accordingly, any persons in possession of this presentation should inform themselves about and observe any such restrictions

Introduction to Digital Networks

Networks

2

Future of Wireless Technologies

3

Next Generation WiFi Networks Digital Q&A

Role of STL 4 1 5

Three Key Trends Driving Growth of Digital Networks

1. New era of Digitization

Unprecedented exponential growth in data

• 2. Powered by various Technologies IoT, 5G, FTTx, Immersive content
• 3. Hyperconnected World

The need for gigabit connectivity

Advanced Digital Networks

Future of Wireless Technologies

Rajesh Gangadhar

CTO and Head of Access Solutions

Rajesh drives disruptive wireless technologies for last-mile connectivity at STL

In this role, he is responsible for driving new business growth through development of advanced Access Products (5G, Software Defined Networking, Virtualisation & Artificial Intelligence) leveraging open innovation and customer-centric R&D.

He has completed his Master of Sciences from Villanova University, Pennsylvania. In his previous stints, he has worked with companies like Sprint, Nextel, Cable Labs, and Clearwire

Open Source Standard, Virtualisation and Software Defined Networking to gain traction across Industry

77%

enterprises are expected to increase their use of Open Source Software

95%

of enterprises will adopt Virtualisation Platforms 93%

of enterprises will adopt Software Defined Networking for cloud networks

GLOBAL TELCOS ARE RAPIDLY ADOPTING THESE TECHNOLOGIES

• Global telecom players to invest nearly tens of billions in Software Defined Networking and Network Function Virtualisation technologies by 2021
• Global telecom majors such as BT, AT&T, Verizon, Jio, Airtel, Rakuten are moving to Open RAN and conducting several trials in partnership with other technology players

What is the disruption in wireless all about?

OPEN DISAGGREGATED VIRTUALIZED WEB SCALE SYSTEMS

Industry Witnessing Technological Shift Transition to Open Disaggregated and Virtualized Solutions

Open and Disaggregated Virtualized Solutions

© 2020-2021 Sterlite Technologies Limited

Transition from traditional RAN to Open and Virtualized RAN: Network with traditional RAN

* Images are for representation only

© 2020-2021 Sterlite Technologies Limited 11

Transition from traditional RAN to Open and Virtualized RAN: Network with Open RAN

Transition from traditional RAN to Open and Virtualized RAN Network with Open, Disaggregated and Virtualized RAN

* Images are for representation only

Benefits of Open RAN Solutions

Next Generation WiFi Networks

Shantanu Kulkarni

Head of Network Software Solutions

Shantanu leads Telecom Business Support System/Operating Support System product suite development at STL.

He has more than 20 years' experience in Telecom domain with strong expertise in Business Support System architecture and product management. His technical specialties are: Solution Architecture and Software Development.

Before his stint with STL, he was leading the Research and Development division of Amdocs India.

What is happening in WiFi industry ?

WiFi continues to gain momentum…. By 2023

Source: Cisco

WiFi is an integral means of everyday communication and has huge impact on our daily life

© 2020-2021 Sterlite Technologies Limited 17

Existing WiFi Ecosystem Challenges and Current Offerings

Existing Challenges

CURRENT OFFERINGS

• Free Public WiFi
• Mobile Data offload
• Seamless Authorization and Connectivity
• WiFi Calling

Next Generation Networks Building a strong WiFi Backbone

Key Imperatives for Next Generation Networks

Generating new opportunities and growth in market

Evolution of WiFi 6

WIFI411N	WIFI511AC	11AX
2009	2013	2019
54MBPS600 MBPSTO2.4 -5GHZ	7GBPS5GHZ	10 GBPS2.4-5 GHZ
MEDIUMRESOLUTIONVIDEO	HIGHRESOLUTIONVIDEO	4K VIDEOSTREAMINGFAVOURABLEFORDENSEENVIRONMENT

What is WiFi 6 and how it is better than previous generation of networks

Increased network capacity & throughput

Upto 4 times improved performance with 25% increase in data rates and 2x increase in throughput

Improved battery efficiency

Scheduled sleep/wake time which allows devices to plan communication in advance thus improving power saving

IoT Connectivity

Faster speed, improved security and increased scalability to connect multiple IoT devices at a time

Built for dense environment

Easing WiFi congestions in dense environments (expand capacity, extends coverage, enhances experiences)

WiFi 6 and 5G are complementary and brings next-level, seamless functionality to the wireless world

HIGHSPEED	10+ GBPS	Social, video and cloud applications
LOWLATENCY	<1ms	Augmented Reality, Virtual Reality, 3D Video,Cloud and Mission Critical Applications
POWEREFFICIENCY	Support IoTstandards	Battery-Powered IoT, Industrial and HomeAutomation
HIGHERCAPACITY	> 12 MBPS per meter square	Good performance in dense deployments
COVERAGE	>200 meter	Low deployment and service costs

WiFi 6 – Five Technology Building Blocks

Orthogonal Frequency Division Multiple Access OFDMA

TRADITIONAL METHOD

ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM)

• Single Transmission on Single Channel

NEXT GENERATION

ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS (OFDMA)

• Multiple Transmissions on Multiple Channels

• Channel efficiency
• High network throughput
• Faster speed

Multiple User–Multiple Input and Multiple Output MU-MIMO

SINGLE USER - MIMO

• Communicates with one device at a time

• Communicates to multiple devices at a time

• Network multitasking
• Better speed
• Higher capacity

TRADITIONAL METHOD NEXT GENERATION

• Co-Channel BSS Congestion

• Co-Channel BSS Congestion with same color

• Less signal Interference
• Reduced network congestion
• Faster speed

Target Wake Time Technology TWT

TRADITIONAL METHOD NEXT GENERATION

• Data transfer between Access Points and User Devices
• Power Drainage

• Determines specific time to communicate between Access Points and Devices

• Power Efficiency

• Reduced congestion and overlap between users

• Significantly increases the device sleep time to reduce power consumption

Quadrature Amplitude Modulation 1024-QAM

TRADITIONAL METHOD: 256 QAM

• 8 Bits to Induce capacity

NEXT GENERATION: 1024 QAM

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• Encoding 10 bits to enable 25% higher Capacity

• Increased network throughput
• Reduced congestion in high density deployment scenarios
• Faster data rates
• Better Quality of Service (QoS)

Role of STL

Networks 1 5

Future of Wireless technologies

2

3

Digital Q&A Next Generation Wifi Networks

Role of STL 4

© 2020-2021 Sterlite Technologies Limited 30 © 2020-2021 Sterlite Technologies Limited

STL in the WiFi 6 space

40+

Operators have chosen STL for WiFi deployments Operators have chosen STL

2500

ISP & Hotspot deployments globally

TOP 3 TELECOM OPERATORS IN INDIA

TOP TELECOM OPERATOR IN DUBAI

TOP TELECOM OPERATORS IN SOUTH EAST ASIA

dSmartMobility, VoWiFi, WiFi Monetization, AAA, Analytics

WiFi Monetization, dAAA, Captive Portal Editor, Analytics

WiFi Monetization, dAAA, Captive Portal Editor, Advertisement, Analytics

STL open and virtualized RAN solutions to enable 5G

4G vRAN ready supporting 7.2x and split 2 RU with software upgrade to 5G NR

Ability To Provide

Scaled Solutions

E2E Offering -

Greater Control

© 2020-2021 Sterlite Technologies Limited 34

Own Hardware

And Software

Cloud Native

Solutions

Let's Play Online Quiz

1

Digital Networks Future of Wireless technologies 2

Next Generation Wifi Networks 3

4

Role of STL

Q&A 5