PROSEGUR, COMPAÑIA DE SEGURIDAD, S.A. from 22/09/2021 to 22/09/2021 22/09/2021 21:14 PROSEGUR, COMPAÑIA DE SEGURIDAD, S.A. Share buy-back , stabilisation and treasury stock programmes The company discloses the information related to the transactions carried out between September 15 and 21 of 2021 Register number: 11788 Related to communication no. 5533 dated 05/11/2020 (08:55)