Exhibit 99.1 INTERIM REPORT JANUARY 1 – JUNE 30, 2023 Filing for full approval of TARPEYO Group Financial Summary Key Figures April 1 - June 30, 2023 ● Net sales amounted to SEK 269.4 million, of which TARPEYO® net sales amounted to SEK 259.2 million, for the three months ended June 30, 2023. For the three months ended June 30, 2022 net sales amounted to SEK 64.0 million, of which TARPEYO net sales amounted to SEK 63.6 million. ● Operating loss amounted to SEK 75.2 million and SEK 209.8 million for the thre ...