Microsoft Certified IT Professional

Microsoft Certified IT Professional MARK H VILLADSEN Has successfully completed the requirements to be recognized as a Microsoft® Certified IT Professional: Lync Server Administrator 2010.

Date of achievement: 06/13/2013 Certification number: E309-9953

Part No. X18-83691

Satya Nadella Chief Executive Officer

Microsoft Certified Technology Specialist MARK H VILLADSEN Has successfully completed the requirements to be recognized as a Microsoft® Certified Technology Specialist: Microsoft Lync Server 2010, Configuring.

Date of achievement: 04/05/2013 Certification number: E228-6903

Part No. X18-83695

Satya Nadella Chief Executive Officer