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Bing.com share of searches increases 6 percent;
Google monthly share of searches at 64 percent

New York, N.Y., April 11, 2011 — Experian® Hitwise®, a part of Experian Marketing Services, announced today that Google accounted for 64.42 percent of all U.S. searches conducted in the four weeks ending April 2, 2011. Bing-powered search comprised 30.01 percent of search respectively. The remaining 69 search engines1 in the Hitwise Search Engine Analysis report accounted for 5.58 percent of U.S. searches.

Yahoo! Search success rate highest for March 2011

Yahoo! Search and Bing achieved the highest success rates in March 2011. This means that for both search engines, more than 80 percent of searches executed resulted in a visit to a Website. Google achieved a success rate of 66 percent. The share of unsuccessful searches highlights the opportunity for both the search engines and marketers to evaluate the search engine result pages to ensure that searchers are finding relevant information.

Longer search queries down 3 percent

Longer search queries — five to eight words — were down 3 percent from February 2011 to March 2011. Shorter search queries — those averaging one to four words long — increased 1 percent from February 2011 to March 2011. One-word searches comprised the majority of searches, amounting to 24.40 percent of all queries, a 2 percent increase from February 2011 to March 2011.

About Experian Hitwise

Experian Hitwise is the leading online competitive intelligence service. Experian Hitwise gives marketers a competitive advantage by providing daily insights on how 25 million Internet users around the world interact with more than 1 million Websites. This external view helps companies grow and protect their businesses by identifying threats and opportunities as they develop. Experian Hitwise has more than 1,500 clients across numerous sectors, including financial services, media, travel and retail.

Experian Hitwise (FTS:EXPN), http://www.experianplc.com, operates in the United States, the United Kingdom, Australia, New Zealand, Hong Kong, Singapore, Canada and Brazil. More information about Experian Hitwise is available at http://www.hitwise.com.

For up-to-date analysis of online trends, please visit the Hitwise Research Blog at http://www.ilovedata.com and Hitwise Data Center at http://www.hitwise.com/datacenter.

About Experian Marketing Services

Experian Marketing Services delivers best-in-breed data, analytics and platforms into multiple regions around the globe. It is focused on helping marketers more effectively target and engage their best customers through email, digital advertising, customer data management, customer and competitive insight, data enrichment, list rental, modeling and analytics, and strategic consulting. Through these capabilities, Experian Marketing Services enables organizations to encourage brand advocacy, create measurable return on investment and significantly improve the lifetime value of their customers.