AppNexus and Microsoft announce multi-year extension and expansion of technology partnership

Press Release

New York – AppNexus, the world’s leading independent ad tech company, today announced an agreement to extend and expand its global technology partnership with Microsoft. The deal creates a multi-year extension of the Microsoft-AppNexus engagement, expanding AppNexus’ role as Microsoft’s exclusive partner for programmatic technology and sales in ten markets. In total, AppNexus powers Microsoft’s programmatic advertising today in over 39 markets.

The expanded engagement builds on a highly successful pilot program in the Nordic region, where AppNexus helped to convert almost 50 percent of Microsoft’s advertising operations to programmatic within six months.

“We are thrilled to extend and expand our strategic global partnership with Microsoft,” said Michael Rubenstein, president of AppNexus. “Over the past five years, we have jointly introduced remarkable innovation into the digital advertising marketplace. We look forward to building on this highly successful collaboration to bring more leading-edge advertising technology to market in such areas as mobile and video, automated guaranteed and private marketplaces, holistic yield management, and much more.”

Today’s agreement names AppNexus as Microsoft’s technology and programmatic sales partner in Austria, Belgium, Denmark, Finland, Ireland, the Netherlands, Norway, Portugal, Sweden and Switzerland.

“AppNexus has been and continues to be a trusted strategic partner, working with us in 39 markets around the world today as the lead technology partner for our programmatic business,” said Rik van der Kooi, Corporate Vice President, Microsoft. “We are expanding our partnership in 10 of these markets to give advertisers access to more supply of premium, brand-safe Microsoft inventory programmatically, while simplifying the buying process and capturing the momentum of explosive programmatic growth in the industry.”


AppNexus is a technology company whose cloud-based software platform enables and optimizes programmatic online advertising. Its enterprise technology platform maximizes yield and campaign performance for sellers and buyers of online inventory. As the world's leading independent ad tech company, AppNexus is led by the pioneers of the web's original ad exchanges. Headquartered in New York City with 23 global offices, AppNexus employs more than 900 of the brightest minds in advertising and technology who believe that advertising powers the Internet. For more information, follow us at@AppNexus or visit us at