Investor Presentaiton

Update on ongoing US FDA matters November 2015 Warning Letter For Three Sites Activity Document Control December 2015 January 2016 March 2016 May 2016 Response Submitted First status update Second status update Third status update Electronic data reliability Infrastructure upgrades QC systems corrections and simplification Sterility assurance Manufacturing procedures Investigation rigor Status Done Of the Nearly done Nearly done Warning Letter Commitments, WIP Nearly done 94% will be completed by June. WIP WIP WARNING FDA Observation categories included: documentation practices and control, laboratory testing procedures, incident investigation practices, and standard operating procedures. Independent product quality assessments performed by Lachman Consulting Services. No questions or comments by FDA to date Investor Presentation - 2016 Dr. Reddy's Laboratories Ltd. 5

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