"So let me start with the headlines. As you know, we had a strong start to the year before the impact of COVID-19 and our preimpairment operating profit for the first half was £2.1 billion. Since we spoke in May, however, the economic outlook has worsened. And as a result, we are announcing a first half net impairment charge of £2.9 billion. This is based on extensive modeling carried out during the second quarter, which I'll talk about on the next slide."