18 Mar 2021 Audited results for the 18 months ended 31 December 2020

17 Feb 2021 Trading Update

10 Dec 2020 Annual General Meeting (AGM)

9 Dec 2020 Liberum 2020 Hydrogen Conference

3 Dec 2020 Berenberg European Conference, Day 2

1 Dec 2020 Berenberg European Conference, Day 1

18 Nov 2020 Investec Best Ideas Conference

28 Sep 2020 Unaudited interim results for the 12 months ended 30 June 2020

16 Mar 2020 Interim Results

4 Dec 2019 Annual General Meeting (AGM)

2 Oct 2019 Full-year results 2018/19

30 Jun 2019 End of financial year 2018/19

28 Mar 2019 Half-year results 2018/19

5 Dec 2018 Annual General Meeting (AGM)

9 Oct 2018 Full-year results

20 Jul 2018 General Meeting

30 Jun 2018 End of financial year 2017/18

20 Mar 2018 Half-year results 2017/18

6 Dec 2017 Annual General Meeting (AGM)

4 Oct 2017 Full-year results

30 Jun 2017 End of financial year 2016/17

8 Mar 2017 Half-year results 2016/17