| Alpha and Omega Semiconductor Limited | ||||||||||||||
| Reconciliation of Condensed Consolidated GAAP Financial Measures to Non-GAAP Financial Measures | ||||||||||||||
| (in thousands, except percentages and per share data) | ||||||||||||||
| (unaudited) | ||||||||||||||
| Three Months Ended | ||||||||||||||
|
September 30,
2018 |
June 30,
2018 |
September 30,
2017 |
||||||||||||
| GAAP gross profit | $ | 32,611 | $ | 29,183 | $ | 27,530 | ||||||||
| Share-based compensation | 497 | 461 | 316 | |||||||||||
| Production ramp up costs related to joint venture | 1,117 | — | — | |||||||||||
| Non-GAAP gross profit | $ | 34,225 | $ | 29,644 | $ | 27,846 | ||||||||
| Non-GAAP gross margin | 29.7 | % | 27.0 | % | 26.6 | % | ||||||||
| GAAP operating income (loss) | $ | 875 | $ | (75 | ) | $ | 4,590 | |||||||
| Share-based compensation | 3,129 | 2,935 | 2,008 | |||||||||||
| Pre-production costs related to joint venture | 4,627 | 4,988 | — | |||||||||||
| Production ramp up costs related to joint venture | 1,117 | — | — | |||||||||||
| Non-GAAP operating income | $ | 9,748 | $ | 7,848 | $ | 6,598 | ||||||||
| Non-GAAP operating margin | 8.5 | % | 7.1 | % | 6.3 | % | ||||||||
| GAAP net income attributable to AOS | $ | 2,416 | $ | 1,021 | $ | 4,800 | ||||||||
| Share-based compensation | 3,129 | 2,935 | 2,008 | |||||||||||
| Pre-production expenses related to joint venture | 2,662 | 3,643 | — | |||||||||||
| Production ramp up costs related to joint venture | 582 | — | — | |||||||||||
| Non-GAAP net income attributable to AOS | $ | 8,789 | $ | 7,599 | $ | 6,808 | ||||||||
| Non-GAAP net margin attributable to AOS | 7.6 | % | 6.9 | % | 6.5 | % | ||||||||
| GAAP net income attributable to AOS | $ | 2,416 | $ | 1,021 | $ | 4,800 | ||||||||
| Share-based compensation | 3,129 | 2,935 | 2,008 | |||||||||||
| Amortization and depreciation | 7,870 | 7,601 | 6,978 | |||||||||||
| Interest expense (income), net | 1,424 | 582 | (41 | ) | ||||||||||
| Income tax expense | 560 | 676 | 1,274 | |||||||||||
| EBITDAS | $ | 15,399 | $ | 12,815 | $ | 15,019 | ||||||||
| GAAP diluted net income per share attributable to AOS | $ | 0.10 | $ | 0.04 | $ | 0.19 | ||||||||
| Share-based compensation | 0.13 | 0.12 | 0.08 | |||||||||||
| Pre-production expenses related to joint venture | 0.11 | 0.15 | — | |||||||||||
| Production ramp up costs related to joint venture | 0.02 | — | — | |||||||||||
| Non-GAAP diluted net income per share attributable to AOS | $ | 0.36 | $ | 0.31 | $ | 0.27 | ||||||||
| Shares used to compute diluted net income per share | 24,594 | 24,628 | 24,960 | |||||||||||
