comScore Reports Error in Yahoo! June Page View and Duration Metrics

SUNNYVALE, Calif.--(BUSINESS WIRE)--Yahoo! Inc. (NASDAQ:YHOO) today announced that comScore (NASDAQ:SCOR) has notified the company of an error in its June 2010 publication. comScore, as a result of this error, underreported Yahoo!’s U.S. page views by more than one billion and its duration metrics by more than 850 million minutes. Based on the corrected numbers, on a month-over-month basis, Yahoo!’s U.S. page views were down 4.7 percent versus the reported 7.4 percent, and U.S. duration was down 4.3 percent versus the reported 6.4 percent. comScore has committed to issuing the correct numbers in the company’s next data release.

“We issued this release because it’s important that our business partners, advertisers, and shareholders have an accurate, independent third-party measurement of our performance.”

The table below summarizes the data originally provided to the company by comScore and the corrected numbers for impacted markets:

Country	PVS MM (Corrected)	PVS MM (Published)	PV Variance	DURATION MM (Corrected)	DURATION MM (Published)	Duration Difference
Canada	1,978	1,945	1.7%	2,086	2,053	1.6%
France	1,488	1,464	1.6%	993	986	0.8%
Germany	962	957	0.4%	704	701	0.3%
Netherlands	104	102	2.0%	92	91	1.6%
Spain	540	538	0.3%	519	518	0.2%
UK	2,470	2,460	0.4%	2,207	2,199	0.4%
US	37,843	36,749	3.0%	39,710	38,842	2.2%

Due to the size of the error, Yahoo! is making the announcement today as comScore does not generally issue restatements of its published reports. comScore is in the process of reviewing the aggregate European Union and Worldwide data to be reported, which could be impacted as well. Yahoo! believes the factors that led to the error have been corrected and continues to have confidence in comScore data.

"At Yahoo!, keeping our users highly engaged on our network is core to everything we do,” said Carol Bartz, CEO of Yahoo!. “We issued this release because it’s important that our business partners, advertisers, and shareholders have an accurate, independent third-party measurement of our performance.”

“We believe comScore is committed to addressing the error and ensuring accurate and reliable reporting of marketplace performance. Yahoo! is fully prepared to work collaboratively with comScore to develop policies and practices to ensure the timely correction of inaccurate information,” added Bartz.

About Yahoo!

Yahoo! attracts hundreds of millions of users every month through its innovative technology and engaging content and services, making it one of the most visited Internet destinations and a world-class online media company. Yahoo!'s vision is to be the center of people's online lives by delivering personally relevant, meaningful Internet experiences. Yahoo! is headquartered in Sunnyvale, California. For more information, visit pressroom.yahoo.com or the company's blog, Yodel Anecdotal (yodel.yahoo.com).

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