(b) Other expense includes consulting expenses related to one-time projects, financing costs not classified as interest expense and gains and losses on the disposal of property, plant and equipment. Pro Forma Adjusted EBITDA The unaudited table below provides a reconciliation of pro forma net income (loss) to pro forma Adjusted EBITDA and incorporates all pro forma adjustments made to present the historical consolidated statements of operations of WillScot Mobile Mini Holdings, giving effect to the following items as if they had occurred on January 1, 2019: Adjusted EBITDA Margin Non-GAAP Reconciliation We define Adjusted EBITDA Margin as Adjusted EBITDA divided by Revenue. Management believes that the presentation of Adjusted EBITDA Margin provides useful information to investors regarding the performance of our business. The following tables provide unaudited reconciliations of Adjusted EBITDA Margin.