---------------------------  ------------  ------------  ------------ 
Long-term deposits                    196           192           180 
---------------------------  ------------  ------------  ------------ 
Total liquidity*                    1,065         1,200           632 
---------------------------  ------------  ------------  ------------ 
 
Indebtedness 
--------------------------   ------------  ------------  ------------ 
Convertible loan                      390           388           382 
---------------------------  ------------  ------------  ------------ 
Convertible bond                      199           199           199 
---------------------------  ------------  ------------  ------------ 
Other financial debt                    -             -             - 
--------------------------   ------------  ------------  ------------ 
Total indebtedness                    589           587           581 
---------------------------  ------------  ------------  ------------ 
 
 
   *rounding differences may occur 
 
   Clinical Development 
 
   Idorsia has a diversified and balanced clinical development pipeline 
covering multiple therapeutic areas, including CNS, cardiovascular and 
immunological disorders, as well as orphan diseases. 
 
   In April and July of 2020, Idorsia reported positive results in each of 
the two pivotal Phase 3 studies of daridorexant in patients with 
insomnia. The Phase 3 registration program demonstrated efficacy of 
daridorexant on objective and subjective sleep parameters, and an 
improvement in daytime functioning, while maintaining a favorable safety 
profile. More details and commentary can be found in the dedicated press 
releases (first study release 
https://www.idorsia.com/media/news-details?newsId=2284972 ), (second 
study release https://www.idorsia.com/media/news-details?newsId=2329316 
) and the investor webcasts (first study webcast 
https://www.idorsia.com/investors/news-and-events/webcast-daridorexant ), 
(second study webcast 
https://www.idorsia.com/investors/news-and-events/webcast-daridorexant-302-results 
) which are available for replay on Idorsia's corporate website. This 
week, the final results of the 40-week extension study with daridorexant 
became available. The study collected information on the safety of 
long-term treatment as well as allowing an exploratory analysis of the 
maintenance of efficacy. There were no new emerging safety findings. 
Moreover, the efficacy on sleep and daytime functioning appeared to be 
maintained over the longer treatment duration. The Phase 3 program is 
therefore concluded. 
 
   A New Drug Application (NDA) was submitted to the US FDA on January 8, 
2021 and a Marketing Authorization Application (MAA) to the European 
Union EMA on March 2, 2021 and to Switzerland health authority, 
Swissmedic, on April 20, 2021. Should approval be received, the company 
anticipates launch in the US in the first half of 2022, followed by 
other regions thereafter. 
 
   Guy Braunstein, MD and Head of Global Clinical Development of Idorsia, 
commented: 
 
   "I'm pleased to report that the Phase 3 development program with 
daridorexant has been successfully concluded. The final analyses of the 
40-week extension study with daridorexant are aligned to the interim 
results submitted to the health authorities. The totality of the data 
supports the chronic use of daridorexant in insomnia." 
 
   In November of 2020, Idorsia reported positive results in each of the 
two Japanese registration studies of clazosentan assessing the efficacy 
and safety of clazosentan in reducing vasospasm-related morbidity and 
all-cause mortality in patients following aneurysmal subarachnoid 
hemorrhage. More details can be found in the dedicated press release 
https://www.idorsia.com/media/news-details?newsId=2410833 . A New Drug 
Application (NDA) to the Japanese Pharmaceuticals and Medical Devices 
Agency (PMDA) for clazosentan was submitted on March 1, 2021. 
Recruitment into the global REACT study of clazosentan has been impacted 
by the coronavirus pandemic but is steadily progressing. 
 
   The MODIFY Phase 3 study of lucerastat in Fabry disease was fully 
recruited in February 2021, with 118 patients in the Phase 3 study. 
Results are expected in the fourth quarter of this year, should all 
patients continue into the open label extension study. 
 
   Full recruitment has also just been achieved for PRECISION, a Phase 3 
study to demonstrate the antihypertensive effect of aprocitentan when 
added to standard of care in patients with resistant hypertension, with 
730 patients randomized. This 12-month study should deliver results in 
mid-2022. 
 
   The CARE study, a large Phase 2b multiple-dose, efficacy and safety 
study with cenerimod, for the treatment of systemic lupus erythematosus 
completed randomization at the end of February 2021, with 427 patients 
enrolled. The results are targeted for the fourth quarter of 2021. 
 
   A Phase 2 proof-of-concept study with ACT-539313, a selective orexin 1 
receptor antagonist, in binge eating disorder has begun recruitment. 
Binge eating disorder is the most common eating disorder characterized 
by repeated episodes of eating unusually large portions of food in a 
short period of time (within any 2-hour period). It is associated with a 
sense of lack of control over what is being eaten and there is often an 
absence of pleasure in what has been eaten. Preclinical studies have 
shown that orexins play an important role in driving compulsive 
binge-like consumption and that orexin receptor antagonists have reduced 
binge-like eating behavior in animal models. This is the first study of 
orexin 1 receptor antagonism as a new mechanism of action for patients 
with binge eating disorder. 
 
   Idorsia's clinical development pipeline 
 
 
 
 
               Mechanism of      Target Indication                         Status 
 Compound      Action 
-------------  ----------------  ----------------------------------------  -------------------- 
Daridorexant   Dual orexin       Insomnia                                  Under review with 
               receptor                                                    FDA/EMA 
               antagonist 
-------------  ----------------  ----------------------------------------  -------------------- 
Aprocitentan*  Dual endothelin   Resistant hypertension management         Phase 3 recruitment 
               receptor                                                    complete 
               antagonist 
-------------  ----------------  ----------------------------------------  -------------------- 
Clazosentan    Endothelin        Cerebral vasospasm assoc.                 Japan: NDA submitted 
               receptor           with aneurysmal subarachnoid hemorrhage   Global: Phase 3 
               antagonist 
-------------  ----------------  ----------------------------------------  -------------------- 
Lucerastat     Glucosylceramide  Fabry disease                             Phase 3 recruitment 
               synthase                                                    complete 
               inhibitor 
-------------  ----------------  ----------------------------------------  -------------------- 
Selatogrel     P2Y(12) receptor  Suspected acute myocardial infarction     Phase 3 in 
               antagonist                                                  preparation 
-------------  ----------------  ----------------------------------------  -------------------- 
Cenerimod      S1P(1) receptor   Systemic lupus erythematosus              Phase 2b recruitment 
               modulator                                                   complete 
-------------  ----------------  ----------------------------------------  -------------------- 
ACT-539313     Selective orexin  Binge eating disorder                     Phase 2 
               1 receptor 
               antagonist 
-------------  ----------------  ----------------------------------------  -------------------- 
Sinbaglustat   GBA2/GCS          Rare lysosomal storage disorders          Phase 1 complete 
               inhibitor 
-------------  ----------------  ----------------------------------------  -------------------- 
ACT-1004-1239  CXCR7 antagonist  Immunology                                Phase 1 
-------------  ----------------  ----------------------------------------  -------------------- 
ACT-1014-6470  -                 Immunology                                Phase 1 
-------------  ----------------  ----------------------------------------  -------------------- 
ACT-541478     -                 CNS                                       Phase 1 
-------------  ----------------  ----------------------------------------  -------------------- 
ACT-777991     -                 Immunology                                Phase 1 
-------------  ----------------  ----------------------------------------  -------------------- 
 
 
   * In collaboration with Janssen Biotech to jointly develop aprocitentan, 
Janssen Biotech has sole commercialization rights worldwide 
 
   Neurocrine Biosciences has a global license to develop and commercialize 
ACT-709478, a novel T-type calcium channel blocker. In November 2020, 
Neurocrine announced it had initiated a Phase 2 study investigating 
ACT-709478 for the treatment of a rare form of pediatric epilepsy. 
 
   Further details including the current status of each project in the 
pipeline can be found in our clinical development fact sheet: 
https://www.idorsia.com/documents/com/fact-sheets-presentations/fs-clinical-development.pdf 
. 
 
   Collaboration update 
 
   In 2017, Idorsia entered into a research collaboration with Roche in the 
field of cancer immunotherapy. In the first quarter of 2021, the 
agreement was terminated. Idorsia continues drug discovery efforts on 
this promising molecular target. 
 
   About the Revenue Sharing Agreement for ponesimod 
 
   Idorsia and Actelion Pharmaceuticals Ltd, one of the Janssen 
Pharmaceutical Companies of Johnson & Johnson, have entered into a 

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