...Slack = Pioneered… Consumerization of Enterprise Software Business Model Slack Inflection Points Slack Daily Active Users 8MM 40% 2013 = Small Teams Consumer-Like Onboarding Launch… 128K Users 6 Months Post-Launch (2014) s 6MM U 34% A 2015 = Platform D rd 3 -Party App Directory Launch… rs of se % >1.5K Apps in Slack App Directory (2018) U as >200K Developers on Slack Platform (2018) e 4MM 30% rs ctiv se A U 2015 = Revenue / Sales Efficiency ly ai Free-to-Pay User Conversion Launch… 26% ing D y >400% = 2015 Y/Y Paid Subscription Growth Pa 2MM 2017 = Enterprise / Large Teams Enterprise Features Plan Launch… >70K = Paid Teams (2018)… 0 20% >500K = Organizations Using Slack (2018) 2014 2015 2016 2017 >150 = Large Enterprises Using Slack Grid (2018) Paying Users Other Active Users Paying Share Source: Slack. 267