NetNumber, Inc.Company Overview

June 2020

Matt Rosenberg – Chief Revenue Officer

Steve Legge – Chief Operating Officer

2NetNumber Proprietary & Confidential

NetNumber - What We Do

Highly Experienced Team, Responsive Customer-Focused Culture with Deep Subject Matter Expertise

Any Cloud – Public, Private, On-Prem

2nd Largest Number Registry Globally

Routing, Security and Subscriber Data Management solutions for 2G, 3G, 4G and 5G networks

Trusted Industry Data Services –Number Portability, Routing and Messaging, Fraud and Security Data

NetNumber is changing the future of telecom services by

enabling an InterGENerationalnetwork transformation, lowering

the cost and complexity of essential routing, signaling,

security, and data management solutions

3NetNumber Proprietary & Confidential

Founded 1999Boston, MA

20 Yearsof Telecom Experience:

Routing, Security, Subscriber Data

Management

~25-30%Customer GrowthCross Tiers and

Market Segments

Global Offices: Boston (HQ)

MunichTorontoWarsawPrague

NetNumber by the Numbers

Mobile | Fixed | Interconnect | MVNO | MSO | Wholesale Enterprise | CPaaS | FinTech | Government

280+ Customers / 60+ Countries

290 EmployeesAll products developed and built in Boston HQ

4NetNumber Proprietary & Confidential

PART OF THE GLOBAL COMMUNITY

Industry Associations Consortium for Command, Control and Communications in Cyberspace C5Citizens Broadband Radio Service Alliance CBRS-ACompetitive Carriers Association CCACellular Telecommunications and Internet Association CTIAGlobal System for Mobile Communications Association* GSMAi3Forum i3FNational Spectrum Consortium NSCRural Wireless Association RWASociety of Cable Telecommunication Engineers SCTE

* involved in a number of sub-committees and working groups

5NetNumber Proprietary & Confidential

MISSION CRITICAL NETWORK PORTFOLIO

Radio Access Mobile Core OSS/BSS

PLATFORM

APPLICATIONS

CLOUD SERVICES

TRUSTED INDUSTRY DATA

MOBILE NETWORK ECOSYSTEM

NetNumber Portfolio• Mobile Core and OSS Segments

• All Generations of Infrastructure

• Cloud-Centric Solutions

PROFESSIONAL SERVICES

6NetNumber Proprietary & Confidential

RIP AND REPLACE COMPARATIVENetNumber Huawei

Optical Networks ◉IP Networks ◉Radio Access Network ◉Mobile Core 5G ◉Core - Media ◉Core - Signaling ◉ ◉Security and Fraud ◉ ◉Analytics ◉ ◉Cloud Infrastructure ◉ ◉Operational Support Systems (OSS) ◉ ◉Business Support Systems (BSS) ◉Data ◉

Routing

Security

Subscriber Management

Data

Analytics

7NetNumber Proprietary & Confidential

PRODUCTS IN REVIEWCloud Hosted Data Services

Global Data ServicesNumber Portability Data (90+ countries)Toll-Free DataSpam/Fraud DataPortability History dataCNAM data

HSS Home Subscriber ServicesHLR Home Location ServicesAuC Authentication ControlEIR Equipement Identity RegisterSTP Signalling Transfer PointDSC Diameter Signalling ControllerNP Number Portability

IWF Interworking FunctionSRM SIP Routing Manager

ENUM ENUMSecurity SigFW Signalling Security Firewall

SGSN Serving GPRS Support NodeMPC (3G) GGSN Gateway GPRS Support Node

PDG Packet Data GatewayMME Mobility Management Entity

EPC (4G) SGW Serving GatewayPGW Packet Data Network GatewaySCP Signalling Control PlatformNRF NF Repository FunctionBSF Binding Support FunctionNSSF Network Slice Selection FunctionUDSF Unstructured Data Storage FunctionUDM Unified Data ManagementARFP/SIDF Authentication Credential RepositoryAUSF Authentication Server FunctionUDR Unified Data RepositorySEPP Security Edge Protection ProxyEIR 5G Equipment Identity Register

Subscriber Data Management

Signalling & Routing

CORE NETWORK APPLICATIONS

5G Core NetworkSubscriber

Data Mngmt

Security

Signalling & Routing

3G, 4G Mobile Core ü On premise or cloud deployment

ü Full delivery services available

ü Fits all carrier tiers (Tier 1, CCA, RWA, etc…)

8NetNumber Proprietary & Confidential

CLOUD-CENTRIC SOLUTIONS

Software-based, Cloud-Native Architecture Built for Distributed Computing Environments

SecurityAll Generation Firewall, Analytics,STIR/SHAKEN Global Call Security

Professional ServicesCloud and Systems Integration

Solutions

Trusted Industry DataRouting/Security/Fraud Data,

Certificate Authority

Mobile Core5G Core, 3G/4G Routing,

Subscriber Data Management

9NetNumber Proprietary & Confidential

TRUSTED INDUSTRY DATA – GLOBAL DATA SERVICESMobile Number

Information Service (NIS)

• Querying a MSISDN returns the status (active/ not active), the carrier ID, carrier type (fixed / mobile)

• Global coverage

• Supports REST/HTTP queries

Carrier-ID Service Global Number

Portability

• Fixed & mobile numbers

• Different query protocols

• Available on COTS or AWS

• 90+* countries & 6K+ SPs

• No capacity limitations

Override Services Registry (OSR)

• Messaging services override for MVNO & OTT

• 140+MM subscriber entries

• 20+MM updates monthly

• Second largest telecom registry globally

Signaling Security Data Services

• Smart origin check: verifying that the inbound message comes form a legitimate node

• Helps the customer detect fraud cases enhanced GDS rules based on GSMA Cat.1 & Cat.2 filter rules

• A unique solution with frequently updated rule sets

Porting History Service

• Real time porting history for NA

• Other countries on request

• Supports data feed to customer or ENUM query to NetNumber Data Centers

* Just over 90 the worlds 230+ countries support NP, all of them are covered by NetNumber GDS

North American Toll-Free data

Services

• Entire US Toll Free DB

• Customer can own a FE app or can use broker app to query DB on the cloud

• COTS, private cloud, AWS, or hybrid cloud options

• Official distributer for SOMOS voice data

$ North American Calling Name

(CNAM)

• Consistent & accurate data

• Industry’s biggest name DB, with the largest coverage

• COTS, private cloud, AWS, hybrid cloud or direct data feed to customer CRE

Robocall Detection & Nuisance Call

Identification Services

• Detects Robocalls by continuously monitoring the incoming calls

• Nuisance call registry identifies and ranks fraud callers on a 0-5 scale, with 5 is “Scam Likely”, updated every 6 min

Robocall Detection & Nuisance Call

Identification Services

Comprehensive Data Portfolio | Global Availability (AWS)Application-Integrated Routing, Security, Fraud Data Feeds

10NetNumber Proprietary & Confidential

WHY WE WIN

NETNUMBEREnsuring Global InterGENerational Network Performance

DIFFERENTIATION EMBRACED BY OUR

CUSTOMERS

1. FOCUS

2. CLOUD-CENTRIC PLATFORM

4. PRICE / VALUE

3. CUSTOMER DEFINED SOLUTIONS

6. SUBJECT MATTER EXPERTISE

5. TRUSTED INDUSTRY DATA

www.netnumber.com