https://www.epo.org/en/service-support/faq/law-practice/sequence-listings/notification-and-publication-sequence-listings-1
How is a sequence listing that forms part of the description published?
Since 2 November 2022, sequences listings that form part of the description are published in the original format received (TXT or XML format) in both the A- and the B-publication. Sequence listings in the original filing format are made available on the EPO publication server by including them in the ZIP file containing the relevant publication documents.
For more information, see New standard for sequence listings now visible to users.