Shareholder structure

_{Amount of outstanding shares as of December 31, 2022: 41,037,328.} 

_{¹ Contains e.g. retail investors}

_{² Bilfinger Treasury shares as per December 31, 2022: 3,630,956}

_{On March 20, 2023, by resolution of the Executive Board and with the consent of the Supervisory Board, 3,430,956 treasury shares of Bilfinger SE were cancelled. This corresponds to approximately 8.36 percent of the no-par value shares issued by the Company prior to the cancellation.} 

_{The number of outstanding shares now amounts to 37,606,372 no-par value shares.} 

_{Notification pursuant to section 49 (1) sentence 1 no. 2 of WpHG}

_{Shareholders that have presently exceeded threshold values in accordance with §§ 33, 34 of the Securities Trading Act (WpHG):
Cevian Capital (Disclosure March 2023: 27.39%), ENA Investment Capital (Disclosure November 2020: 12.00%), Morgan Stanley (Disclosure March 2023: 5.20%) , M&G (Disclosure February 2023: 4.86%)}

_{Voting rights notifications}