Yahoo! Inc. agreed to acquire video- advertising service BrightRoll Inc. for about $640 million in cash, adding marketing tools to drive Chief Executive Officer Marissa Mayer’s turnaround effort.

BrightRoll, one of Yahoo’s biggest deals under Mayer, is profitable and should exceed $100 million in revenue this year, the Web portal said yesterday in a statement. Yahoo expects the purchase, which is subject to customary closing conditions, to boost earnings before certain items.

Subscribe Now

Complete access to real-time information and analysis of news and trends in the industry.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.