Note 1: Acquisition and integration costs for the three months ended September 30, 2019 and June 30, 2019, related to the acquisition of Electro Scientific Industries, Inc. (“ESI”) which closed on February 1, 2019. Acquisition and integration costs for the three months ended September 30, 2018, related to the Newport acquisition, which closed during the second quarter of 2016.
Note 2: Costs of revenues during the three months ended June 30, 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 September 30, 2019, related to Amendment No. 6 which included the fifth repricing of our Secured Term Loan Credit Agreement and the combination of the two existing tranches of the Secured Term Loan Credit Agreement with a maturity date in February 2026.
Note 4: We recorded additional interest expense related to the amortization of debt issuance costs associated with our Secured Term Loan Credit Agreement.
Note 5: We recorded restructuring costs during the three months ended September 30, 2019 and June 30, 2019, which consisted primarily of severance costs related to an organization-wide reduction in workforce, the consolidation of service functions in Asia and the movement of certain products to low cost regions. Restructuring costs during the three months ended September 30, 2018 were primarily comprised of severance costs related to transferring a portion of our shared services functions to a third party as well as the consolidation of certain shared service functions in Asia.
Note 6: During the three months ended September 30, 2019, we recorded a net gain on the sale of two of our buildings in Boulder, CO and three of our buildings in Portland, OR.
Note 7: We recorded windfall tax expense (benefits) on the vesting of stock-based compensation.
Note 8: We recorded tax adjustments during the three months ended September 30, 2019 and June 30, 2019 resulting from additional guidance provided by the IRS related to 2017 tax reform.
Note 9: During the three months ended September 30, 2018, we recorded an adjustment to a tax accrual related to a planned distribution of an MKS subsidiary.
Note 10: We adjusted the transition tax on accumulated foreign earnings related to the 2017 Tax Cut and Jobs Act during the three months ended September 30, 2018.
Note 11: TheNon-GAAP net earnings andNon-GAAP net earnings per diluted share amounts exclude acquisition and integration costs, the amortization of thestep-up of inventory to fair value, fees and expenses related to the repricing and amendment of our Secured Term Loan Credit Agreement, amortization of debt issuance costs, restructuring and other costs, amortization of intangible assets, a gain on the sale of long-lived assets, windfall tax adjustments related to stock compensation expense, tax reform adjustments, an accrued tax on subsidiary distribution, 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 12: TheNon-GAAP income from operations andNon-GAAP operating margin exclude acquisition and integration costs, the amortization of thestep-up of inventory to fair value, fees and expenses related to the repricing and amendment of our Secured Term Loan Credit Agreement, restructuring and other costs, amortization of intangible assets and a gain on the sale of long-lived assets.
Note 13: TheNon-GAAP gross profit amounts andNon-GAAP gross margin exclude the amortization of thestep-up of inventory to fair value related to the acquisition of ESI.
Note 14: EBITDA excludes net interest expense, income taxes, depreciation and amortization of intangible assets.
Note 15: Adjusted EBITDA excludes stock-based compensation, acquisition and integration costs, the amortization of thestep-up of inventory to fair value, fees and expenses related to the repricing and amendment of our Secured Term Loan Credit Agreement, restructuring and other costs and a gain on the sale of long-lived assets.