21 Investment Highlights 1. TTM As of June 30, 2020. Please refer to appendix for definition of dollar - based net retention rate 2. For the three - month period ended March 31, 2020. See appendix for a reconciliation of GAAP Gross Profit to non - GAAP Gross Profit 3. Calculated by taking the number of global technical team members based on a study by Evans Data Corporation (2018) multiplied by our average billings per user as of December 31, 2018. $31B of TAM for Pluralsight Skills, $11B of TAM for Pluralsight Flow. 24% TTM YoY business billings growth with 88% billings from business customers (1) Sales & marketing investment supported by 118% retention rate (1) Addressing $42 billion market opportunity (3) History of positive cash flows and $550M+ of cash and investments Non - GAAP gross margin of 81% in Q2 2020 (2)