Use of Non-GAAPMeasures In addition to the financials presented in accordance with U.S. generally accepted accounting principles (“GAAP”), this presentation includes certain non-GAAP financial measures. We use the following non-GAAP financial informationto evaluateour ongoing operations and for internal planning and forecastingpurposes:non-GAAP gross profit, non-GAAP gross margin, free cash flow, free cash flow margin, and dollar-basednet retention rate. We believe that non- GAAP financial information, when taken collectively, may be helpful to investors because it provides consistency and comparability with past financial performance. However, non- GAAPfinancialinformationis presentedfor supplementalinformationalpurposesonly,has limitationsas an analytical tool and should not be consideredin isolationor as a substitutefor financialinformationpresented in accordance with GAAP. In particular, free cash flow is not a substitute for cash used in operating activities. Additionally, the utility of free cash flow as a measure of our financial performance and liquidity is further limited as it does not represent the total increase or decrease in our cash balance for a given period. In addition, other companies, including companies in our industry, may calculate similarly-titled non- GAAP measures differently or may use other measures to evaluate their performance, all of which could reduce the usefulness of our non-GAAP financial measures as tools for comparison. We urge you to review the reconciliation of our non-GAAP financial measures to the most directly comparable GAAP financial measures set forth in the Appendix, and not to rely on any single financial measure to evaluate our business. This presentation also contains certain estimated preliminary financial results and other key business metrics for the quarter ended October 31, 2018 ended January 31, 2019. This data is based on information available to us at this time. As such, our actual results may vary from the estimated preliminary results presented in this presentation. These estimates should not be viewed as a substitute for our full interim or annual financial statements prepared in accordance with GAAP. Accordingly, you should not place undue reliance on this preliminary data. In addition, this data has been prepared by, and is the responsibility of, management. Our independent registered public accounting firm, PricewaterhouseCoopers LLP, has not audited, reviewed, compiled, or performed any procedures with respect to the preliminary financial results. Accordingly, PricewaterhouseCoopers LLP does not express an opinion or any other form of assurance with respect thereto. 3