Invitation to the presentation of Calliditas´ Year-end report January – December 2023

Calliditas´ Year-end report for January – December 2023 will be published in Swedish and English on Wednesday 21 February 2024 at 07.00 a.m. CET.

A combined audio cast and telephone conference with the opportunity to ask questions will be held at 14.30 p.m. CET on the same day, with CEO Renée Aguiar-Lucander and CFO Fredrik Johansson, CMO Richard Philipson and President North America Maria Törnsén.

The presentation will be given in English.

Link to the webcast: https://ir.financialhearings.com/calliditas-therapeutics-q4-report-2023

To participate via conference call please register via this link: https://conference.financialhearings.com/teleconference/?id=50046870

After registration, you will receive a phone number and a conference ID to log in to the conference call. Via the telephone conference, there is an opportunity to ask oral questions.

For further information, please contact:

Åsa Hillsten, Head of IR & Sustainability, Calliditas

Tel. +46 76 403 35 43, Email: asa.hillsten@calliditas.com

The information was sent for publication, through the agency of the contact person set out above, on February 14, 2024, at 7:00 a.m. CET.

About Calliditas

Calliditas Therapeutics is a biopharma company headquartered in Stockholm, Sweden, focused on identifying, developing, and commercializing novel treatments in orphan indications with significant unmet medical needs. Calliditas’ common shares are listed on Nasdaq Stockholm (ticker: CALTX) and its American Depositary Shares are listed on the Nasdaq Global Select Market (ticker: CALT). Visit Calliditas.com for further information.