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MEDIAVEST AND MILLENNIAL MEDIA ANNOUNCE GLOBAL DATA PARTNERSHIP

Leading Mobile Advertising Platform Will Provide Data and Mobile Insights to MediaVest Clients to Unlock Unique Opportunities to Drive ROI

Millennial Media (NYSE: MM), the independent leader in mobile advertising and data, today announced a strategic partnership with MediaVest to provide data and technology assets to their global client base. Under the terms of the partnership, MediaVest will gain unique access to Millennial Media’s leading proprietary data set and the ability to beta-test new mobile advertising technology with their clients.

MediaVest will also gain access to Millennial Media’s “Audience Insight” reports, where brand advertisers can see data on the impact their campaigns made on over 600 real-world consumer audience categories. MediaVest clients will then be able to leverage the data and insights to optimize ad spend in both online and offline media.

Current MediaVest clients include The Coca-Cola Company, Comcast, Mondelez, Microsoft, Procter & Gamble, and more, and clients will have access to the full data suite on the Millennial Media advertising platform. As new technology solutions come out, MediaVest clients will serve as alpha and beta partners, and will play a key role in determining the evolution of specific products.

“MediaVest has been a leader in leveraging data and insights to drive ROI for their clients,” said Marcus Startzel, GM, North America, Millennial Media. “As agencies like MediaVest continue to invest in mobile technology, they will better position clients to capitalize on consumers' shift to media consumption through mobile channels.”

“The rich data available in mobile will help us to achieve greater insights and results for our clients,” said Amanda Richman, President of Digital, MediaVest. “By leveraging Millennial Media’s data sets, we can accelerate and validate the reach, engagement and ROI of mobile.”

Millennial Media’s data asset is powered by a leading suite of SDK’s currently embedded in over 38,000 sites and apps. The Millennial Media platform handles billions of data points per month, and as new data enters into the platform, real-world consumer audiences are constantly added and refined.

About Millennial Media

Millennial Media is the leading independent mobile advertising and data platform. Our technology, tools and services help app developers and mobile website publishers maximize their advertising revenue, acquire users and gain audience insights. Our platform also enables us to offer advertisers powerful Mobile Audience Solutions (MAS) that utilize our significant scale, sophisticated targeting and uniquely engaging creative capabilities to deliver meaningful results.