Exhibit 99.1

Thomson Reuters Announces Voting Results for Election of Directors

TORONTO, May 4, 2017 – 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 12 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		613,004,684		99.11		5,498,534		0.89		618,503,218
James C. Smith		614,451,523		99.35		4,051,045		0.65		618,502,568
Sheila C. Bair		615,861,236		99.57		2,641,293		0.43		618,502,529
David W. Binet		580,340,395		93.83		38,162,362		6.17		618,502,757
W. Edmund Clark, C.M.		579,730,030		93.73		38,772,175		6.27		618,502,205
Michael E. Daniels		610,163,186		98.65		8,332,777		1.35		618,495,963
Ken Olisa, OBE		616,043,312		99.60		2,452,150		0.40		618,495,462
Vance K. Opperman		603,259,183		97.54		15,228,618		2.46		618,487,801
Kristin C. Peck		611,814,361		98.92		6,675,226		1.08		618,489,587
Barry Salzberg		615,434,482		99.51		3,053,376		0.49		618,487,858
Peter J. Thomson		613,227,540		99.15		5,260,602		0.85		618,488,142
Wulf von Schimmelmann		615,356,351		99.49		3,130,624		0.51		618,486,975

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 +1 646 223 5285 david.crundwell@tr.com INVESTORS   Frank J. Golden Senior Vice President, Investor Relations +1 646 223 5288 frank.golden@tr.com