For a company that's going away they sure are doing some updating of their corporate docs. If they were toast there would be no reason to update their address on dec 5, 2018. just have the mail sent to PwC and forgo the cost associated with updating Canadian Corp docs. Here's link should you doubt it: https://www.ic.gc.ca/app/scr/cc/CorporationsCanada/fdrlCrpDtls.html?corpId=7546360&V_TOKEN=1544843394905&crpNm=bioamber&crpNmbr=&bsNmbr= Here's a summary of it if you don't want to do your own DD: https://investorshub.advfn.com/uimage/uploads/2018/12/14/TPQGGVAUVTA.png