Exhibit 99.1 Thomson Reuters Reports Third-Quarter 2023 Results TORONTO, November 1, 2023 – Thomson Reuters (TSX/NYSE: TRI) today reported results for the third quarter ended September 30, 2023: "Solid momentum across our business continued in the third quarter, despite an uncertain macro environment," said Steve Hasker, president and CEO of Thomson Reuters. "Importantly, our confidence around the generative AI opportunity continues to strengthen. We made good progress against our 'build, partner, buy' appr ...

Second-Quarter 2023 Performance - Reported revenues increased by 2% to $1.6 billion[13] - Organic revenues grew by 5%[13] - Organic recurring revenues increased by 6%[13] - Adjusted EBITDA increased by 18% to $662 million, with a margin of 40.1%, up 540 bps[25] - Adjusted EPS increased by 40% to $0.84[25] - Free cash flow increased by 74% to $596 million[25] Segment Revenue Growth - Legal Professionals revenue increased by 1% to $0.7 billion (6% organic)[26] - Corporates revenue increased by 5% to $0.4 billion (7% organic)[26] - Tax & Accounting Professionals revenue increased by 5% to $0.2 billion (10% organic)[26] - Reuters News revenue increased by 3% to $0.2 billion (1% organic)[26] - Global Print revenue decreased by 6% to $0.1 billion (-4% organic)[26] - The "Big 3" business segments (Legal, Corporates, and Tax & Accounting) revenues grew 7% organically[24] Strategic Initiatives and Capital Allocation - Completed a $2.0 billion return of capital transaction, reducing share count by 15.8 million (3.4%)[11] - Announced intention to acquire Casetext for $650 million[11] - Completed the sale of a majority stake in Elite to TPG at a firm value of $500 million[11] - Sold approximately 15.5 million shares of LSEG in Q2 for gross proceeds of approximately $1.6 billion[24] - Announced an organic build strategy supported by $100 million+ annual investment commitment to bring GenAI to the markets[10, 15] Full Year 2023 Outlook - Maintained FY 2023 outlook for organic revenue growth of 5.5% - 6.0%, adjusted EBITDA margin of ~39%, and free cash flow of ~$1.8 billion[24, 61] - Updated outlook for tax rate, interest expense, and accrued capex as a % of revenue[10]

Financial Data and Key Metrics Changes - Total company organic revenues grew by 5%, with recurring revenue growth at 6% [7][13] - Adjusted EBITDA increased by 18% to $662 million, reflecting a margin improvement of 540 basis points to 40% [13][43] - Adjusted earnings per share grew by 40% from the prior year to $0.84 [13][36] Business Line Data and Key Metrics Changes - The Big 3 segments achieved organic revenue growth of 7% [14][32] - Legal Professionals' organic revenue growth returned to 6%, driven by Westlaw Precision momentum [14][39] - Corporates segment organic revenue growth slowed to 7% due to lengthening sales cycles [15][33] - Tax & Accounting organic revenue rose by 10%, with recurring revenue up 9% and transactional revenue up 12% [16][40] - Reuters News organic revenues rose by 1%, slightly below expectations [16][34] Market Data and Key Metrics Changes - International businesses grew by over 10% [8] - Growth in events business and digital advertising revenue at Reuters News softened due to tighter customer discretionary budgets [9][17] Company Strategy and Development Direction - The company is focusing on leveraging generative AI, with plans to invest over $100 million annually in AI technologies [19][22] - The acquisition of Casetext is intended to enhance generative AI capabilities and drive new value in the legal industry [21][22] - The company maintains a balanced capital allocation approach, assessing additional inorganic opportunities [12][48] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in maintaining the full year 2023 outlook, including organic revenue growth and adjusted EBITDA margins [9][48] - The company anticipates second half growth to approximate Q2 levels, driven by continued momentum in key segments [51][52] - Management noted that the sales cycle lengthening has impacted growth in certain segments but remains optimistic about Legal and Tax & Accounting [61][62] Other Important Information - The company completed a $2 billion return of capital and share consolidation, reducing share count by approximately 3.5% [12] - Free cash flow for the first half was reported at $729 million, up from $428 million in the prior year [45] Q&A Session Summary Question: CapEx intensity and sales cycle changes - Management indicated that CapEx intensity is expected to align more closely with 2023 levels due to opportunities in AI investments [59] - Sales cycles in Legal and Tax & Accounting remain stable, while the Corporates segment has seen elongation [61][62] Question: Workflow opportunities with Casetext - The company views the drafting workflow as a new market opportunity, leveraging proprietary content and AI capabilities [69][70] Question: Sales environment amidst law firm layoffs - Management noted that while there are layoffs in the industry, the long-term trend is towards increased spending on technology [75] Question: Margin versus growth dynamics - The company plans to balance investments in growth with margin considerations, particularly in light of generative AI opportunities [98][100] Question: Retention and pricing strategies - Retention rates have improved slightly, and pricing is expected to be higher than in 2022, with generative AI expected to enhance both [139][140]

Exhibit 99.1 Thomson Reuters Reports Second-Quarter 2023 Results TORONTO, August 2, 2023 – Thomson Reuters (TSX/NYSE: TRI) today reported results for the second quarter ended June 30, 2023: "I am pleased with our performance in the second quarter as we continued to see good momentum across our portfolio despite an uncertain macro backdrop," said Steve Hasker, president and CEO of Thomson Reuters. "Importantly, our confidence around the opportunity that generative AI brings to us and our customers continues ...

That will be tempered as we go through the remainder of the year, George, and it will be a better balance on recurring and transactional. But based on our existing book of business and the recurring component of transactional, we're quite confident in exceeding 8% for the full year. But just as a reminder, it's very seasonal aspect -- a very seasonal aspect of SurePrep and Confirmation. Scott Fletcher - CIBC Let me now turn it over to Steve Hasker. A lower price increase than in 2022 on the news agreement w ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File Number: 1-31349 THOMSON REUTERS CORPORATION (Translation of registrant's name into English) 333 Bay Street, Suite 300 Toronto, Ontario M5H 2R2, Canada (Address of principal executive office) Indicate by check mark whether the registrant files or will file annual reports under c ...

Thomson Reuters Corp (NYSE:TRI) Q4 2022 Earnings Conference Call February 9, 2023 8:30 AM ET Company Participants Gary Bisbee - Head, IR Stephen Hasker - President, CEO & Director Michael Eastwood - CFO Conference Call Participants Aravinda Galappatthige - Canaccord Genuity George Tong - Goldman Sachs Group Heather Balsky - Bank of America Merrill Lynch Scott Fletcher - CIBC Stephanie Yee - JPMorgan Chase & Co. Vince Valentini - TD Securities John Kennedy - Barclays Bank Maher Yaghi - Scotiabank Drew McReyn ...

Thomson Reuters Corporation (NYSE:TRI) Q3 2022 Earnings Conference Call November 1, 2022 9:00 AM ET Â Company Participants Gary Bisbee - Head of IR Steve Hasker - President and CEO Michael Eastwood - CFO Conference Call Participants Kevin McVeigh - Crédit Suisse Vince Valentini - TD Securities Drew McReynolds - RBC Capital Markets Heather Balsky - Bank of America Securities Aravinda Galappatthige - Canaccord Genuity Toni Kaplan - Morgan Stanley Tim Casey - BMO Capital Markets Andrew Steinerman - J.P. Morgan ...

REUTERS / Mike Hutchings REUTERS/Mike Segar November 1, 2022 Thomson Reuters 2022 THIRD-QUARTER RESULTS Agenda • Welcome / Introduction Gary Bisbee • Third-Quarter 2022 Highlights Steve Hasker Westlaw Precision Launch Update • Financial Review Mike Eastwood Third-Quarter 2022 Results 2022-2023 Full-Year Outlook Update • Q & A 2 Special Note This presentation consists of these slides and the associated remarks and comments, which are related and intended to be presented and understood together. 3 Special Not ...

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