Roblox Results Presentation Deck

Note Regarding Operating Metrics (cont'd) ROBLOX Q1 2022 Hours engaged We define hours engaged as the time spent by our users on the platform, which includes time spent in experiences, which refer to the titles that have been created by developers, and within platform features such as chat and avatar personalization. Users can personalize the size and body shape of their avatars as well as equip their avatars with items acquired from the Avatar Marketplace, a marketplace that allows users to acquire items such as clothing, gear, simulated gestures, or emotes, and other accessories. We calculate total hours engaged as the aggregate of user session lengths in a given period. We determine this length of time using internal company systems that track user activity on our platform, and aggregate discrete activities into a user session. Average Bookings per Daily Active User, or ABPDAU We define average bookings per DAU, or ABPDAU, as bookings in a given period divided by the DAUS for such period. We use ABPDAU as a way to understand how we are monetizing across all of our users through the sale of virtual currency and subscriptions. New monthly unique payers We define new monthly unique payers as payers that made their first purchase on the platform, or via redemption of prepaid cards, during the month. Average new monthly unique payers for a specified period is the average of the new monthly unique payers for each month during that period. For example, the average new monthly unique payers for the quarter ending September 30, 2021, is the average of the new monthly unique payers for July 2021, August 2021, and September 2021. Returning monthly unique payers We define returning monthly unique payers as payers that have made a purchase on the platform, or via redemption of prepaid cards, in any prior month. Average returning monthly unique payers for a specified period is the average of the returning monthly unique payers for each month during that period. For example, the average returning monthly unique payers for the quarter ending September 30, 2021, is the average of the returning monthly unique payers for July 2021, August 2021, and September 2021. Monthly repurchase rate We define monthly repurchase rate as the returning monthly unique payers in the current month, divided by the sum of the prior month's new monthly unique payers and returning monthly unique payers. Average monthly repurchase rate for a specified period is the average of the monthly repurchase rates for each month during that period. For example, the average monthly repurchase rate for the quarter ending September 30, 2021, is the average of the monthly repurchase rates for July 2021, August 2021, and September 2021. Bookings per monthly unique payer We define bookings per monthly unique payer as bookings in the specified period divided by the average monthly unique payers for the same specified period. 5

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