Adding a background to the sentence, we can integrate essential context by framing it within the financial performance of the company. We can highlight the sentiment by emphasizing the positive impact of the goodwill on the company's balance sheet.

Enhanced Sentence:
As part of its financial performance in 2010, the company reported a significant addition to its balance sheet, with approximately EUR25.8 million in goodwill. This indicates a positive outlook for the company's growth and strategic investments.