Satya NadellaChief Executive Officer

Microsoft Certified Solutions Associate

Part No. X18-83698

MAHMOUD A. ATALLAHHas successfully completed the requirements to be recognized as a Microsoft® Certified SolutionsAssociate: Windows Server 2012.

Date of achievement: 02/11/2016

Certification number: F586-3492

Satya NadellaChief Executive Officer

Microsoft Specialist

Part No. X18-83703

MAHMOUD A. ATALLAHHas successfully completed the requirements to be recognized as a Microsoft Specialist: Windows 7,Configuring.

Date of achievement: 12/01/2015

Certification number: F503-3882

Satya NadellaChief Executive Officer

Microsoft Certified IT Professional

Part No. X18-83691

MAHMOUD A. ATALLAHHas successfully completed the requirements to be recognized as a Microsoft® Certified IT Professional:Enterprise Administrator on Windows Server 2008.

Date of achievement: 06/22/2012

Certification number: D933-4918

Satya NadellaChief Executive Officer

Microsoft Certified Solutions Associate

Part No. X18-83698

MAHMOUD A. ATALLAHHas successfully completed the requirements to be recognized as a Microsoft® Certified SolutionsAssociate: Windows Server 2008.

Date of achievement: 06/22/2012

Certification number: D934-4189

Satya NadellaChief Executive Officer

Microsoft Certified Technology Specialist

Part No. X18-83695

MAHMOUD A. ATALLAHHas successfully completed the requirements to be recognized as a Microsoft® Certified TechnologySpecialist: Windows Server 2008 Applications Infrastructure, Configuration.

Date of achievement: 06/15/2012

Certification number: D927-8622

Satya NadellaChief Executive Officer

Microsoft Certified Technology Specialist

Part No. X18-83695

MAHMOUD A. ATALLAHHas successfully completed the requirements to be recognized as a Microsoft® Certified TechnologySpecialist: Windows Server 2008 Network Infrastructure, Configuration.

Date of achievement: 06/01/2012

Certification number: D796-8072