2021 Third QuarterRevenues

November 5, 2021

2ATEME © 1991-2021

Disclaimer

This presentation does not constitute or form part of and should not be construed as any offer for sale of or solicitation of any offerto buy any securities of ATEME, nor should it, or any part of it, form the basis of or be relied on in connection with any contract orcommitment whatsoever concerning ATEME’s assets, activities or shares.

All statements other than historical facts included in this presentation, including without limitations, those regarding ATEME’sposition, business strategy, plans and objectives are forward-looking statements.

The forward-looking statements included herein are for illustrative purposes only and are based on management’s current views andassumptions. Such forward-looking statements involve known and unknown risks. For illustrative purposes only, such risks includebut are not limited to impact of external events on customers and suppliers; the effects of competing technologies competitiongenerally in main markets; profitability of the expansion strategy; litigation; ability to establish and maintain strategic relationshipsin major businesses; and the effect of future acquisitions and investments.

ATEME expressly disclaims any obligation or undertaking to update or revise any projections, forecasts or estimates contained in thispresentation to reflect any change in events, conditions, assumptions or circumstances on which any such statements are based,unless so required by applicable law. These materials are supplied to you solely for your information and may not be copied ordistributed to any other person (whether in or outside your organization) or published, in whole or in part, for any purpose.

3ATEME © 1991-2021

Presenters

Michel ArtièresFounder & Chief Executive Officer

Degree in Engineering from Supelec, Paris, with a specialization in signal processing and telecommunications

Fabrice Sana Chief Financial Officer

Degrees from the European Business School and ESSEC

4ATEME © 1991-2021

1. Two Leaders Joining Forces

2. Market Trends

3. Ateme Q3 Revenues

4. Outlook

5ATEME © 1991-2021

ATEME + ANEVIA = Two Leaders Joining Forces

51 Patents

Up 70% in 2020

490 people in 20 countries

Public since 2014

1000+ clients in 100 countries

71 M€ in 2020, up 7%

ATEME + ANEVIA help Content Providers andService Providers transform their video deliveryto enable innovative live and on demand videoservices and enhance the quality of experience

MRRMONTHLY

RECURRINGREVENUE

6ATEME © 1991-2021

A Complete Offer for the Complete Video Flow

Service Provider(Satellite, Cable, Telco)

Video Headend

Event

ContributionPrimary

DistributionDistribution

OTT / Multiscreen

Subscriber

CDNContent Provider

TV Network

Kyrion encoders in the trucks and decoders at the TV station

TITAN is a virtualized Video Headend software covering all Live and File needs

NEA is a software suite for the OTT delivery (CDN, cloud DVR, DAI)

NEA is a software suite for the OTT delivery (CDN, cloud DVR, DAI)

7ATEME © 1991-2021

ANEVIA & ATEME to Win the OTT Market

Service Provider(Satellite, Cable, Telco)

End-userContent Provider

TV Network

Direct-to-Consumer

Channel Origination

VideoHeadend

OTTStreaming

CDN Cloud DVR Analytics

High Fidelity QualityMulti-Cloud Operations

Reduced TCO of 1000’s of channels

Low Latency NetworkMonetizing OTT with Cloud DVR, Catch-up TV

Customize Ads and Content

Enhanced Customer SatisfactionIncreased ARPU & Ads Revenue

Reduced Churn Rate

CDN

8ATEME © 1991-2021

Contribution Distribution File Prod File VODD2C

DistributionChannel

OriginationOriginServer

Cloud DVR DAI CDN Analytics

x x x x x x x x x x x

x x x x x x x x x (3rd party)

x x x x x x x x

x x x x x x x x

x x x x x x x Cloudfront Analytics

x x x x x

x x x x

x x x x

$2b TAM, Unique Innovative Player with E2E Offering

~$1b TAM~$1b TAM

9ATEME © 1991-2021

Video Headend and CDN Complementary Sales Cycles

Year 1 Year 2 Year 3 Year 4 Year 5

Headend (encoding)

CDN (incl. Origin)

Inve

stm

ent

($)

Video Headend (encoding) business

• Investments driven by the amount of content (live channels, VOD catalogue)

• Typically generating flat repeat business

CDN / OTT video delivery business

• Investments driven by the growth of the traffic

• Successful OTT services face a X2 traffic every year

10ATEME © 1991-2021

ATEME Engaged in Corporate Social Responsibility

People Environment

Ateme and our people

• Focus on talent development

• Equal treatment for men and women

• Non-discrimination in hiring

• Ethic management

Ateme and the world

• Ethic business relationship with shareholders, clients, partners and suppliers

• Donations to charity organizations (humanitarian, education)

Titan and Nea innovations saved 65% of the video delivery energetic impact in 3 years while improving viewers’ experience

Targeting 50%+ additional savings in the next 3 years

Founding Member of the ‘’Greening of Streaming’’ Alliance, promoting the changes to ensure that Streaming becomes as sustainable as we can make it

Ateme committed to reduce our own impact by 50% in 3 years

• Reduction of business trips and attendance on trade shows

• 50% telework approved for R&D and HQ as the new normal

11ATEME © 1991-2021

1. Two Leaders Joining Forces

2. Market Trends

3. Ateme Q3 Revenues

4. Outlook

12ATEME © 1991-2021

The Streaming War is On…and This is Good for ATEME

Consequence on ATEME = Positive ! The more, the merrier !

More than 400 (and counting) streaming services Worldwide

13ATEME © 1991-2021

With Higher Consumption Come Higher Expectations

The Technology – good or bad- is a dimensioning reason for cancelling a service

Video Quality, rebuffering, waiting times are the Top 3 issues

Technology

The reasons for cancelling a subscription The most frustrating aspects of watching video online

Source: The state of Online video 2020, Limelight Networks

Technology

14ATEME © 1991-2021

The Mandatory High Quality of Experience

Perfect Video Quality

Same delay on Streaming vs Broadcast

Immediate Start, no rebuffering

15ATEME © 1991-2021

Transition to the Cloud

Post Covid-19, 93% of enterprises have a multi-cloud strategy

Companies use an average of 2.2 public clouds and 2.2 private clouds

Public Cloud

Source: Flexera 2020 State of the Cloud Report

Strengthening ATEME competitive advantages

• ATEME solutions are agnostic to infrastructure

• Strong partnership build with AWS, MS Azure, Google Cloud and leading regional cloud providers

Private cloud Virtualisation

16ATEME © 1991-2021

Accompanying the Migration to Private CDN / Multi CDN

Service CDN

Build your own CDNInterconnect CDN Enabled

• Pay as you go• Global reach

• CAPEX investment• QoS control• Analytics

• ISP partnerships

CD

N S

ele

ctio

n

Source: Rethink Research, CDN Forecast to 2024, September 2019

75%

25%

75% of video traffic in North America delivered through private CDN

17ATEME © 1991-2021

How 5G Technologies Create More Business

Higher Video Quality

New codecs, 4K, HDR

Lower latencyPersonalized streaming

CDN, Ad replacement

True multi-screen service

Full OTT Service (including for STB)

Higher Bandwidth Edge Computing Fixed-Mobile Convergence

End-User Benefits

Will drive new investments in…

End-User Benefits

Will drive new investments in…

End-User Benefits

Will drive new investments in…

18ATEME © 1991-2021

The Quadrant of Our Playground

The Red OceanThey have only encoding or deliverywith difficulties to scale/penetration

and grow the business

The DinosaursThey have a complete offering,

Yet very slow to move. So they are losing ground & revenues

The LeadersHaving the complete offering

Right org/mindset/culture to adaptIncreasing revenues

The Niche PlayersThey have only encoding or delivery

Burning cash like there is no tomorrow,

Looking (hoping) for a quick exit

END-TO-END SOLUTION

INCREASING REVENUES

NICHE PRODUCTS

DECREASING REVENUES

19ATEME © 1991-2021

How We Help

Personalization

Sustainable & Green Video Services

Generate New Revenue Streams

Next Gen Distribution: 5G, Services Aggregation

Lower Cost of Delivery and Customer Acquisition

High QoE on any screen boosting subscription

20ATEME © 1991-2021

Comparables and Valuation Reference Points

Acquisition of direct competitors

Sept 2015

$300-500M (5-7x Sales)

acquires

Sept 2015

acquires

$125M (4x Sales)

Dec 2015

acquires

€69M (1x Sales)

Recenttransactions

(Nasdaq: HLIT)

Impact of recurring revenues

Avid (Nasdaq: AVID)

Leader in film/sports production

$360M in 2020 revenue ($197M in subscription & maintenance)

Market cap $2B (5x sales)

Esker (Euronext: ESKER)

Enterprise Software

€112M in 2020 revenue (81% recurring SaaS & maintenance)

Market cap €1,6B (14x sales)

Market leader

Declining Video business, transitioning to SaaSGrowing Cable access business

Market cap $1B (2,5x sales)

Market leader and main competitor

IPO on Nasdaq

July 2021

E-learning, enterprise and media$120M in 2020 revenue

Market cap $1,5B (12x sales)

acquires

July 2021

Live streaming and remote production

$400M (3,5x Sales)

21ATEME © 1991-2021

1. Two Leaders Joining Forces

2. Market Trends

3. Ateme Q3 Revenues4. Outlook

22ATEME © 1991-2021

2014 2015 2016 2017 2018 2019 2020 2021

Q1 Q2 Q3 Q4

Revenues Evolution by Quarter

€37.5m

€28.6m€24.8m

IPO

€48.6m

+29% Growthfor 9M2021

+7%at constant

exchange Rate & perimeter

€56.5m

€66.3m

12.4

€70.7m

Q3 up by 65% (+27% at constant exch. Rate & perimeter)

15.5

16.716.9

9M 2021€55.6m

23.2

14.1

23ATEME © 1991-2021

9M 2021 Revenue Split and Growth by Region

USA/CAN+3%

LATAM+50%

APAC+6%

9M 2021 REVENUE SPLIT BY REGION 9M 2021 REVENUE GROWTH BY REGION

-xx%at constant

exchange rate

+xx%at constant

exchange rate

+xx%at constant

exchange rate EMEA+71%

-1%(at constant

exch. rate and perimeter)

-5%(at constant

exch. rate and perimeter)

+7%(at constant

exch. rate and perimeter)

EMEA22.641%

USA/Canada18.733%

LATAM6.011%

APAC8.315% +19%

(at constant exch. rate and

perimeter)

24ATEME © 1991-2021

January2018

January2019

January2020

January2021

October2021

Continued Growth in MRR in 2021

Multi-Year investment Contracts

Monthly Recurring Revenue

MaintenanceSubscription

✓ Increased visibility with secured revenues✓ Higher resilience in crisis✓ Increased profitability with optimization

of S&M costs

300

880

570

1,500

+55%yoy

+70%yoy

Annual Monthly recurring revenues already met :

MRR amounts to almost €1.9m in Octobre 2021

MRR, in € thousands

1,899+27%

since Jan.

ARR exceeds €22 million

Integration of Anevia

25ATEME © 1991-2021

1. Two Leaders Joining Forces

2. Market Trends

3. Ateme Q3 Revenues

4. Outlook

26ATEME © 1991-2021

Boosting future profitability with the ramp-up of MRR

€4mMRR€3m

MRR€1.5mMRR

EBITDA> €10m

EBITDA€30m

EBITDAtarget

2021 2024 20262022 2023

Revenues CAGR

10-15%

Strongly growing MRR

MRR covering

50%of cost base

MRR covering

60%of cost base

Doubling NEA revenuesover 2 years

EBITDA€5-10mModerate revenue growth

(like-for-like) & Breakeven at the operating profitability

level in FY 2021

27ATEME © 1991-2021

Investor Relations

Next investor dates

Market data

ISIN: FR0011992700 - Ticker: ATEME

Stock price: €13.30 (as of November 04, 2021)

Market cap: €149.2m (as of November 04, 2021)

Concert Artières

11%

NJJ Capital (Xavier Niel)

5%

Keren Finance5%

Axa IM5%

Otus Capital

9%

Others < 5%65%

Liquidity contract: Kepler Cheuvreux

Source : Company, as of April 30,2021

Shareholder structureNumber of shares : 11,217,027 Potential dilution : 336,511

Stock price (€)

Volumes(nb of shares)

January 27, 2021: Full Year 2021 revenues

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28ATEME © 1991-2021

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