Thomson Reuters First-Quarter 2012 Earnings Announcement and Webcast Scheduled for Tuesday, May 1, 2012

Conference call and webcast scheduled for 8:30 a.m. EDT NEW YORK, April 10, 2012 - Thomson Reuters (NYSE, TSX: TRI), the world's leading source of intelligent information for businesses and professionals, announced today that its first-quarter 2012 earnings will be issued via news release on Tuesday, May 1, 2012. James C. Smith, chief executive officer, and Stephane Bello, executive vice president and chief financial officer, will host a conference call and simultaneous webcast that morning at 8:30 a.m. EDT. Discussions may include forward-looking information. You can access the webcast by visiting the "Investor Relations" section of the Thomson Reuters website.  Registration for the webcast is now open. Additionally, an archive of the webcast will be available following the presentation. Thomson Reuters Thomson Reuters is the world's leading source of intelligent information for businesses and professionals. We combine industry expertise with innovative technology to deliver critical information to leading decision makers in the financial and risk, legal, tax and accounting, intellectual property and science and media markets, powered by the world's most trusted news organization. With headquarters in New York and major operations in London and Eagan, Minnesota, Thomson Reuters employs approximately 60,000 people and operates in over 100 countries. Thomson Reuters shares are listed on the Toronto and New York Stock Exchanges (symbol: TRI). For more information, go to www.thomsonreuters.com. CONTACTS MEDIA INVESTORS David Girardin Frank J. Golden Corporate Affairs Manager Senior Vice President, Investor Relations +1 646 223 4870 +1 646 223 5288 david.girardin@thomsonreuters.com frank.golden@thomsonreuters.com This announcement is distributed by Thomson Reuters on behalf of Thomson Reuters clients. The owner of this announcement warrants that: (i) the releases contained herein are protected by copyright and other applicable laws; and (ii) they are solely responsible for the content, accuracy and originality of the information contained therein. Source: Thomson Reuters Corporation via Thomson Reuters ONE [HUG#1601210]