#1& RELX Legal Analytics Teach-in 10 November 2021#2DISCLAIMER REGARDING FORWARD-LOOKING STATEMENTS This presentation contains forward-looking statements within the meaning of Section 27A of the US Securities Act of 1933, as amended, and Section 21E of the US Securities Exchange Act of 1934, as amended. These statements are subject to risks and uncertainties that could cause actual results or outcomes of RELX PLC (together with its subsidiaries, "RELX", "we" or "our") to differ materially from those expressed in any forward-looking statement. We consider any statements that are not historical facts to be "forward-looking statements". The terms "outlook", "estimate”, “forecast”, “project”, “plan”, “intend”, “expect”, “should”, "will", "believe", "trends" and similar expressions may indicate a forward-looking statement. Important factors that could cause actual results or outcomes to differ materially from estimates or forecasts contained in the forward-looking statements include, among others: the impact of the Covid-19 pandemic as well as other pandemics or epidemics; current and future economic, political and market forces; changes in law and legal interpretation affecting RELX intellectual property rights and internet communications; regulatory and other changes regarding the collection or use of third-party content and data; changes in the payment model for our products; competitive factors in the industries in which we operate and demand for our products and services; ability to realise the future anticipated benefits of acquisitions; significant failure or interruption of our systems; compromises of our cyber security systems or other unauthorised access to our databases; legislative, fiscal, tax and regulatory developments; exchange rate fluctuations; and other risks referenced from time to time in the filings of RELX PLC with the US Securities and Exchange Commission. You should not place undue reliance on these forward-looking statements, which speak only as of the date of this presentation. Except as may be required by law, we undertake no obligation to publicly update or release any revisions to these forward-looking statements to reflect events or circumstances after the date of this presentation or to reflect the occurrence of unanticipated events. & RELX ܢܘ 2#3Agenda Legal overview and strategy Customer use cases and product demos Concluding remarks Q&A Mike Walsh Chief Executive Officer, Legal Jeff Pfeifer, Daniel Lewis, Angela Bozzuti Product Management Mike Walsh Chief Executive Officer, Legal & RELX 3#4Legal overview and strategy Mike Walsh Chief Executive Officer, Legal & RELX 4#5Legal position within RELX H1 2021 ● Legal 23% RELX revenue LTM Legal revenues for June 2021: £1.6bn ($2.2bn) & RELX RELX adjusted operating profit Legal 15% LO 5#6Legal revenue by type H1 2021 Europe 22% Geography Rest of World 12% North America 66% LTM Legal revenues for June 2021: £1.6bn ($2.2bn) Print 12% Format & RELX Electronic 88% Transactional 21% Type Subscription 79% 6#7Legal revenue by segment H1 2021 Print Legal publications including case law, legal treatises, codes, and practice guides News & business News content, company information, industry data, and public records for businesses Electronic reference & decision tools: International Legal research and analytics for legal professionals in Europe, Africa, and Asia Pacific #1 or 2 outside the US & RELX Electronic reference & decision tools: North America ● Legal research and analytics for legal professionals #2 in North America 7#8Delivering improved revenue growth and margins +1% 2015 19.0% 2015 Underlying revenue growth +2% 2016 19.2% +2% 2016 2017 19.6% +2% Adjusted operating margin 2017 2018 19.8% +2% 2018 2019 +1% 2020 20.0% 2019 +3% Sept 21 YTD 20.1% 2020 & RELX 11% 2015 Capital expenditure as a % of revenue 25.6% 2015 10% 2016 27.6% 2016 9% 2017 27.9% 9% EBITDA margin 28.9% 2017 2018 2018 9% 2019 29.1% 2019 9% 2020 30.9% 2020 8#9Strategic priorities Drive improved organic revenue growth through further development of legal analytics Expand our portfolio of information-based solutions, analytics and decision tools that deliver enhanced value to our customers Pursue growth in adjacent use cases Create new product use cases across lawyers' key decision points and expand products globally Leverage our global, modular legal technology platform Continue to invest in and leverage our scalable and modular technology platform & RELX 9#10Analytics, decision tools and workflow driving growth H1 2021 Electronic reference: Low single digit growth Legal revenue by solution type Print reference: Mid-high single digit decline Analytics, decision tools and workflow: High single digit growth & RELX Analytics, decision tools and workflow Leveraging comprehensive legal data sets and content using advanced AI/ML technology Embedded at key decision points in customer workflow Actionable decision support tools that improve customer outcomes 10#11Application of analytics to use cases beyond research Illustrative lawyer workflow Use case Example solutions Current Awareness Stay up to date with legal and regulatory news and analysis Law360 Law360 Pulse MLex Newsdesk Predict Outcomes Predict outcomes via legal language analytics, data mining across legislation and settlement data Context Legislative Outlook Judicial Brief Analyzer MedMal Navigator ● Case Analytics Develop case strategy with litigation analytics Lex Machina Ravel Verdict & Settlement Analyzer Litigation Analytics ● ● Research Leverage data- driven insights via extensive collection of case law, expert commentary, and company information Lexis+ Lexis Lexis Answers Shepard's citator State Net & RELX Practical Guidance Complete legal work with practice guides, forms, and checklists Benchmark deal terms and find precedent language Lexis Practical Guidance Lexis Market Standards Intelligize Automated forms Productivity Tools Draft legal documents Manage and extract key data from law firm documents Lexis Create Lexis Search Advantage Product Liability Navigator Lexis Microsoft Office (LMO) ● Ⓡ Business Development Pitch new clients using law firm and attorney intelligence Manage law firm customer relationships Lex Machina InterAction Law360 Nexis Dossier 11#12Customer impact case study Large law customer spend example (AmLaw top 20) 2016 c. 5% CAGR 2020 Transaction decision tools Litigation decision tools Current awareness & regulatory monitoring tools Print reference Electronic reference & RELX ● ● ● Expanded use cases Products and use cases include: Intelligize: Deal and SEC filing analytics Lexis Search Advantage: Document enrichment Context: Case-law language analytics Lex Machina: Litigation analytics Law360: Legal news and analytics MLex: Regulatory risk monitoring 12#13Primary research Public records Leveraging global scale and technology Authored content News articles Company information Court dockets Expert witness profiles e ● ● BOH 4 B 5 H E Data lake Structured and unstructured content 128bn documents and records 1.7m new legal documents added daily on average across 69k sources, generating 129bn connections 32m legal documents processed daily on average Stored in unified data platform 7 31 ▲▲ INC INC 31 Enrichment AA INC 1111 Targeted content volume C INC www. 31 INC 31 +++ Knowledge graph Linking Increasing content quality Big data platforms Grid computing with low-cost servers Machine learning to cluster, link, and learn across data sets Natural language processing to uncover hidden relationships in data & RELX ● ● Log Log Analysis applications Predictive modeling Visualizations Machine learning and artificial intelligence Product examples TM Lexis +™ Context M Lex Machina LAW 360 Customer single point of execution ● Modular product suites Flexible delivery platform 13#14Modern, fast and lightweight legal technology platform Continuous deployment Shareable microservices Continuous code deployment with agile product development enables higher release frequency at reduced cost Technology platform structured into components that can be reused and shared across businesses Domain specific Al models Makes content discoverable to users by deploying machine learning (eg analytics, entity recognition, semantic matching, query intent) SCALABLE FLEXIBLE RELEVANT MODULAR & RELX Composable product applications Use of micro front-ends and APIs creates modular applications including analytics Data lake /content Use of Al and automation technologies to enrich content, create multiple levels of metadata, and enable data mining and analytics Cloud based infrastructure enabling single point of access via browser 14#15Customer use cases and product demos Jeff Pfeifer, Daniel Lewis, Angela Bozzuti Product Management & RELX 15#16Lexis+ is an integrated legal research and analytics application Q Legal Research Practical Guidance Litigation Analytics Brief Analysis Legal News Hub Lexis+ What would you like to research today? Enter a source name, a citation, terms or shep: [citation) to ShepardizeⓇ Cases Explore Statutes & Legislation Statutory Codes Archived Codes Administrative Codes Content Federal State Administrative Materials Arbitration Materials Secondary Materials Treatises & Guides Law Reviews & Journals Sample Forms News Legal News Intellectual Property Dockets (CourtLink) Briefs. Pleadings & Motions Client: -None- Folders History Help CO: All Content Practice Area International Sources Topics Tools Expert Witness Materials Jury Verdicts & Settlements Jury Instructions All Jurisdictions Public Records Company & Financial Directories. Scientific Materials Custom Pages Advanced Search Q COVID-19 Resources View complimentary. COVID-19 resources. Social Justice Resources View complimentary Racial Equality. Police Reform & Protesters' Rights Resources. Integration: Unified application, combining research, guidance, analytics, and news and minimizing context switching Legal analytics: Research enhanced with Practical Guidance across 21 practice areas and analytics to support attorneys at key decision points Enhanced Search: Powered by machine learning and new features including Search Tree, Missing and Must Include, and expanded Search Term Maps Modern Design: Bold interface that establishes a clear visual hierarchy, aligned with legal professional workflow & RELX 16#1712 new capabilities integrated in Lexis+ Resolve legal questions and find citable authority through natural language search Lexis Answers Missing and Must Include Search Tree Boolean Search Tree Natural Language Search Term Maps Shepard's At Risk ● ● ● ● Highlight terms from your search query that are missing from a specific document Understand how your Boolean language search was applied through a graphical representation Visualize how your natural language search was applied through a graphical representation Identify patterns in the location and distribution of your search terms within legal documents Identify cases at risk of being overruled within your legal documents Code Compare Enhanced Ravel View & RELX Legal News Hub Litigation Analytics Brief Analysis Market Standards ● Identify changes in the law or legislative intent through side-by-side version comparisons Identify citing patterns and trends across time and jurisdictions with data visualizations Stay up-to-date with breaking legal news stories from Law360 within Lexis+ Analytics capabilities highlighted in today's session Gain insight on the behaviors and trends of judges, courts, attorneys and law firms Build stronger arguments with targeted research recommendations and Shepard'sⓇ analysis Search, compare and analyze publicly filed transactions to benchmark deal provisions 17#18Product demo #1: Litigation use case Customer Attorney at a large US law firm beginning a new matter with a client responding to an employment class action lawsuit ● Key questions How should the client plan for this matter (eg outcomes and durations)? Who should the client engage as their expert witness? How should the team optimize their strategy against opposing counsel? ● LexisNexis products and use cases ● • Litigation Analytics: Leverage judge analytics to anticipate case timelines and outcomes based on prior case history and build case strategy • Context: Find strong witness for client's matter based on witness analytics, including comparison of witnesses and analysis of prior testimony outcomes Brief Analysis: Conduct a smart review of legal documents, including opposing counsel arguments, for case and guidance recommendations & RELX 18#19Product demo #2: Transaction use case Customer Associate at a major law firm, who focuses on Mergers and Acquisitions, working on a buy-side merger Key questions What is the market standard on indemnification clauses for deals similar to the client's potential merger? How do prior deals structure and define them? ● LexisNexis products and use cases Market Standards ● Identify similar deals (eg based on industry) from a database of 37,000 publicly filed deals Extract and analyse over 150 key deal terms Access underlying deal documents to find precedent language and case examples for drafting & RELX 19#20Concluding remarks Mike Walsh Chief Executive Officer, Legal & RELX 20#21Positive impact on society Case study: Rule of Law W Through our content, data, and analytics, we support the four components of the Rule of Law: transparency of law, equality under the law, independent judiciaries, and accessible legal remedy We advance the Rule of Law through our commercial capabilities (eg publishing laws, providing legal insights), as well as through our Rule of Law Foundation non-profit initiatives Our work to extend the Rule of Law has a global impact, reaching 2m+ legal professionals as well as the general public in more than 160 countries & RELX 21#22● Summary Accelerating revenue growth through further development of higher value legal analytics and decision tools Expanding use cases we address and providing users with a unified and integrated product experience Leveraging legal technology platform to enable rapid product development and drive cost innovation Continuing on improved underlying revenue growth trajectory with operating profit growth ahead of revenue growth & RELX 22#23Q&A Sell side analysts and institutional investors wishing to ask a question please dial in using the number and conference code below: UK: +44 (0)330 336 9434 US: +1 929 477 0402 Netherlands: +31 (0)20 703 8259 Code: 7571229 & RELX 23#24& RELX Legal Analytics Teach-in 10 November 2021