Yammer Accelerates Momentum Following Microsoft Acquisition

         Yammer Accelerates Momentum Following Microsoft Acquisition

Quadruples sales in Q4; surpasses 7 million users.

PR Newswire

SAN FRANCISCO, Feb. 20, 2013

SAN FRANCISCO, Feb. 20, 2013 /PRNewswire/ -- Yammer, Inc., a best-in-class
Enterprise Social Network and part of the Microsoft Office Division, today
announced record growth in 2012 and accelerating momentum following the
Microsoft acquisition.

(Logo: http://photos.prnewswire.com/prnh/20000822/MSFTLOGO)

2012 Highlights

  oFull-year 2012 sales nearly tripled year-over-year (ended Jan. 31, 2013)
  oFourth-quarter sales quadrupled year-over-year (ended Jan. 31, 2013)
  oNumber of paying customers increased 165 percent in 2012
  oSurpassed 7 million registered users

"Yammer experienced banner growth in 2012 and grew particularly fast in the
fourth quarter. Our momentum is definitely accelerating following the
Microsoft acquisition," said David Sacks, Yammer co-founder and corporate vice
president, Microsoft Office Division. "The power of the freemium model and the
validation that Microsoft brings to Enterprise Social Networking is helping
drive mainstream adoption among leading organizations. Enterprise Social
Networking is becoming the cornerstone of workplace collaboration for its
ability to empower people and drive employee engagement, team collaboration
and business agility."

Record Customer Adoption
Yammer added a record 290 new paying customers in the fourth quarter,
including DWF LLP, GlaxoSmithKline, Grundfos, McGladrey LLP, Reckitt
Benckiser, Rio Tinto, SABMiller, T.G.I. Friday's, Trek Bicycle Corp. and
Woolworths Ltd. New customers spanned industries from financial and
professional services to healthcare and pharmaceutical, including one of the
largest retailers in the world and one of the largest natural gas and electric
utilities companies in the United States.

Yammer Paid Customers Across Industries Include the Following:

  oNine of the largest retailers in the world
  oSix of the largest food and beverage companies in the world
  oFive of the largest pharmaceutical companies in the world
  oFour of the largest telecommunications companies in the world
  oFive of the largest oil and gas companies in the world
  oFour of the largest manufacturing companies in the world
  oFour of the largest financial services companies in the world

(Findings based on customer placement within the Forbes Global 2000)

"The Yammer experience is clearly resonating with our global workforce, and it
is overtaking some of our prior investments for internal collaboration and
information management," said Scott Singer, head of Global Business Services
and chief information officer of Rio Tinto, a leading international mining
group headquartered in the U.K.

Rapid Product Innovation
"Our pace of development and innovation is picking up speed as part of the
Microsoft Office Division," said Adam Pisoni, Yammer co-founder and general
manager of Engineering, Microsoft Office Division. "The development teams are
coming together quickly, and we are leveraging existing technologies such as
SkyDrive Pro and Office Web Apps to swiftly deliver greater value for

Aspreviewed at the recent SharePoint Conference, Yammer is implementing
SkyDrive Pro for file storage. In addition, Yammer is enhancing the ability to
preview and edit files directly within Yammer feeds using Office Web Apps. The
combination of these capabilities will dramatically enhance a user's ability
to create, collaborate, share and discover content within Yammer. These
enhancements are planned for availability in summer 2013.

About Yammer
Yammer (www.yammer.com) is a best-in-class Enterprise Social Network used by
more than 200,000 organizations worldwide — including 85 percent of the
Fortune 500 — to foster team collaboration, empower employees, drive business
agility and promote organizational connectedness. Yammer's freemium business
model lets customers see the value of Yammer before upgrading to the premium
offering. Founded in 2008, Yammer is now part of the Microsoft Office

About Microsoft
Founded in 1975, Microsoft (Nasdaq "MSFT") is the worldwide leader in
software, services and solutions that help people and businesses realize their
full potential.

SOURCE Microsoft Corp.

Website: http://www.microsoft.com
Website: https://www.yammer.com
Contact: Rapid Response Team, Waggener Edstrom Worldwide, (503) 443-7070,
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