Note 1: Acquisition and integration costs for the three months ended March 31, 2019 and December 31, 2018, respectively, related to the acquisition of Electro Scientific Industries, Inc. (“ESI”) which closed on February 1, 2019.
Note 2: Costs of revenues during the three months ended March 31, 2019 includes the amortization of thestep-up of inventory to fair value as a result of the ESI acquisition.
Note 3: We recorded fees and expenses during the three months ended March 31, 2019 related to Amendment No. 5 of our Term Loan Credit Agreement.
Note 4: We recorded additional interest expense related to the amortization of debt issuance costs associated with our Term Loan Credit Agreement.
Note 5: We recorded restructuring charges during the three months ended March 31, 2019 and December 31, 2018, respectively, which consisted primarily of severance costs related to an organization-wide reduction in workforce. We recorded restructuring costs during the three months ended March 31, 2018, primarily comprised of severance costs related to transferring a portion of our shared service functions to a third party as well as the consolidation of certain shared service functions in Asia.
Note 6: We recorded expense during the three months ended March 31, 2019 related to a contractual obligation we assumed as part of our acquisition of Newport Corporation.
Note 7: We recorded environmental costs during the three months ended March 31, 2018, related to an Environmental Protection Agency-designated Superfund site, which was acquired as part of our acquisition of Newport Corporation.
Note 8: We recorded windfall tax benefits on the vesting of stock-based compensation.
Note 9: The three months ended March 31, 2018 includes an update to the provisional tax adjustment recorded during the three months ended December 31, 2017 where we recorded a provisional deferred tax adjustment, which also included the reversal of a tax accrual on a French dividend, related to U.S. tax reform legislation.
Note 10: We recorded and adjusted tax accruals related to distributions from MKS subsidiaries.
Note 11: We recorded taxes on the inter-company sale of an asset during the three months ended December 31, 2018.
Note 12: We adjusted the provisional transition tax on accumulated foreign earnings related to the 2017 Tax Cut and Jobs Act during the three months ended March 31, 2018.
Note 13: TheNon-GAAP net earnings andNon-GAAP net earnings per share amounts exclude acquisition and integration costs, the amortization of thestep-up of inventory to fair value, fees and expenses related to an amendment to our Term Loan Credit agreement, amortization of debt issuance costs, restructuring costs, a customer contract obligation, environmental costs, amortization of intangible assets, a windfall tax benefit related to stock-based compensation expense, a deferred tax adjustment, accrued tax on MKS subsidiary distributions, tax costs on the inter-company sale of an asset, transition tax on accumulated foreign earnings and the related tax effect of these adjustments to reflect the expected full year effective tax rate in the related period.
Note 14: TheNon-GAAP income from operations andNon-GAAP operating margin percentages exclude acquisition and integration costs, the amortization of thestep-up of inventory to fair value, fees and expenses related to an amendment to our Term Loan Credit Agreement, restructuring costs, a customer contract obligation, environmental costs and amortization of intangible assets.
Note 15: TheNon-GAAP gross profit amounts andNon-GAAP gross profit percentages exclude an inventorystep-up adjustment related to the acquisition of ESI.
Note 16: EBITDA excludes net interest, income taxes, depreciation and amortization of intangible assets.