FY '18 First Quarter Summary

RECONCILIATION OF NON-GAAP FINANCIAL MEASURES AND REGULATION G DISCLOSURE

To supplement our condensed consolidated financial statements presented in accordance with U.S. generally accepted accounting principles (GAAP), we provide additional measures of income from continuing operations per diluted common share, operating income, operating margin and net cash provided by operating activities, adjusted to exclude certain costs, charges, expenses and losses or other amounts. Harris management believes that these non-GAAP financial measures, when considered together with the GAAP financial measures, provide information that is useful to investors in understanding period-over-period operating results separate and apart from items that may, or could, have a disproportionately positive or negative impact on results in any particular period. Harris management also believes that these non-GAAP financial measures enhance the ability of investors to analyze Harris’ business trends and to understand Harris’ performance. In addition, Harris may utilize non-GAAP financial measures as guides in its forecasting, budgeting, and long-term planning processes and to measure operating performance for some management compensation purposes. Any analysis of non-GAAP financial measures should be used only in conjunction with results presented in accordance with GAAP. A reconciliation of these non-GAAP financial measures with the most directly comparable financial measures calculated in accordance with GAAP follows: