| March 15, 2022 | initial announcement of the project | press release |
| March 15, 2022 | initial announcement of the project | presentation |
| March 15, 2022 | initial announcement of the project | replay of the conf call |
| August 4, 2023 | Power of 2: EUR Consents and Tender Offer | EN |
| August 4, 2023 | Solvay SA announces bond liability management transactions | EN |
| June 16, 2023 | Capital structures and financial policies | presentation |
| June 16, 2023 | Capital structures and financial policies | press release |
| November 27, 2023 | DRAFT Corporate Governance Charter of SOLVAY after partial dermerger completion | EN |
| November 3, 2023 | Solvay announces the future Board of Directors for new standalone SOLVAY | EN - FR - NL |
| November 3, 2023 | Solvay announces the future Executive Leadership Team for new standalone SOLVAY | EN - FR - NL |
| November 3, 2023 | Solvay announces the future Board of Directors for new standalone SYENSQO | EN - FR - NL |
| November 3, 2023 | Solvay announces the future Executive Leadership Team for new standalone SYENSQO | EN - FR - NL |
| November 7, 2023 | Extraordinary Shareholders' meeting | EN - FR - NL |
| November 20, 2023 | Supplement to Solvay (EssentialCo) Information Document |
| November 7, 2023 | Documentation Extraordinary Shareholders' meeting |
| August 28, 2023 | EssentialCo H1 2023 pro forma financial information |
| June 30, 2023 | Key Figures for SpecialtyCo and EssentialCo |
| June 30, 2023 | Solvay (EssentialCo) Information Document |
| January 11, 2024 | Form 8937 |
| November 17, 2023 | Partial demerger and distribution of shares of Syensqo to the shareholders of Solvay |