The CEO, with involvement and support from the CEODesignate and CFO, has the highest level of responsibility for climate and other sustainability issues. The annual bonus for the Executive Directors is based on Adjusted EBITDA, portfolio free cash flow, network performance and international standards targets. With diesel being the largest operating cost at a tower site, reducing diesel and associated emissions is directly linked to our Adjusted EBITDA and portfolio free cash flow. [...] Supporting the Executive Directors to implement our climate strategy, our Group Head of Sustainability works with business functions such as Operations and Technology, Finance and Compliance to consider how Helios Towers plc Annual Report and Financial Statements 2021 climate impacts our business strategy, risk management and operations. Our dedicated Performance Engineering function is responsible for continually reviewing the most environmentally friendly and cost-effective power solutions for our sites. [...] The Board has ultimate accountability for Helios Towers' Sustainable Business Strategy and our Carbon Reduction Roadmap is a key part of this. Sustainable business is a priority on the agenda at every Board meeting, with members receiving an update from the Director of Property and SHEQ, on progress against targets, achievements, challenges and strategic plans. For example, throughout 2021, the Board was kept updated on our target-setting process and the challenges and opportunities for various target options. We ensure Board members are informed and knowledgeable on climate-related issues, and in June 2021 all members received training from an external carbon consultancy. This covered the latest climate science, our stakeholders' views on climate and discussion around its implication for our future business strategy, and provided a solid foundation for the Board to review and approve our ambitious carbon reduction target and net zero ambition, announced in November 2021.