Exhibit 99.1

Thomson Reuters Announces Voting Results for Election of Directors

TORONTO, June 7, 2018 – Thomson Reuters (TSX / NYSE: TRI) today announced the voting results from the election of the company’s Board of Directors at its annual and special meeting of shareholders held yesterday in Toronto.

All 11 nominees were elected to the Thomson Reuters board. Each director elected will continue to hold office until the next annual meeting of shareholders of Thomson Reuters or until the director resigns or a successor is elected or appointed.

The results were as follows:

Nominee	Votes For		% Votes For		Votes Withheld		% Votes Withheld		Total Votes
David Thomson		614,016,459		98.90%		6,822,730		1.10%		620,839,189
James C. Smith		616,134,642		99.24%		4,705,346		0.76%		620,839,988
Sheila C. Bair		619,744,002		99.82%		1,095,942		0.18%		620,839,944
David W. Binet		592,289,187		95.40%		28,550,715		4.60%		620,839,902
W. Edmund Clark, C.M.		577,692,171		93.05%		43,148,501		6.95%		620,840,672
Michael E. Daniels		611,206,906		98.45%		9,634,009		1.55%		620,840,915
Vance K. Opperman		601,939,333		96.96%		18,901,255		3.04%		620,840,588
Kristin C. Peck		611,923,263		98.56%		8,912,102		1.44%		620,835,365
Barry Salzberg		618,340,221		99.60%		2,493,986		0.40%		620,834,207
Peter J. Thomson		614,457,978		98.97%		6,376,655		1.03%		620,834,633
Wulf von Schimmelmann		619,636,005		99.81%		1,198,383		0.19%		620,834,388

Shareholders voted in favor of all items of business at the annual meeting. A final report on voting results has been filed with the Canadian securities regulatory authorities and furnished to the U.S. Securities and Exchange Commission.

Thomson Reuters

Thomson Reuters is the world’s leading source of news and information for professional markets. Our customers rely on us to deliver the intelligence, technology and expertise they need to find trusted answers. The business has operated in more than 100 countries for more than 100 years. Thomson Reuters shares are listed on the Toronto and New York Stock Exchanges (symbol: TRI). For more information, visit www.thomsonreuters.com.

CONTACTS

MEDIA   David Crundwell Senior Vice President, Corporate Affairs +1 416 649 9904 david.crundwell@tr.com INVESTORS   Frank J. Golden Senior Vice President, Investor Relations +1 646 223 5288 frank.golden@tr.com