Investor Presentaiton

Non-GAAP Financial Measures Delta sometimes uses information ("non-GAAP financial measures") that is derived from the Consolidated Financial Statements, but that is not presented in accordance with accounting principles generally accepted in the U.S. ("GAAP"). Under the U.S. Securities and Exchange Commission rules, non-GAAP financial measures may be considered in addition to results prepared in accordance with GAAP, but should not be considered a substitute for or superior to GAAP results. The tables below show reconciliations of non-GAAP financial measures used in this presentation to the most directly comparable GAAP financial measures. Reconciliations may not calculate exactly due to rounding. While we are able to reconcile forward looking non-GAAP financial measures related to Q1 2022, we do not reconcile future period measures (i.e., beyond Q1 2022) because the adjusting items such as those used in the reconciliations below will not be known until the end of the indicated future periods and could be significant. 10

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