LONDON, July 23 (Reuters) - RELX  REL.L   RELN.AS , Europe's 
largest media group formerly known as Reed Elsevier, reiterated 
its full-year outlook on Thursday after reporting an as-expected 
3 percent rise in first-half underlying revenue growth. 
    RELX, which provides information for scientists, lawyers, 
doctors and the business community, said it had seen a 
particularly strong performance from its Risk & Business 
Information unit, with underlying revenue up 7 percent. 
    "The key drivers within our business remain positive, and we 
are confident that we will deliver another year of underlying 
revenue, profit and earnings growth in 2015," said Chief 
Executive Officer Erik Engstrom.  
     
     
 
 (Reporting by Kate Holton, editing by James Davey) 
 ((kate.holton@thomsonreuters.com; 0044 207 542 8560; Reuters 
Messaging: kate.holton.thomsonreuters.com@reuters.net)) 
 
Keywords: RELX RESULTS/