Rule Amendments
| Title of Amendment | Effective Date |
| Mainboard Rules | |
| Enhancements to Regulatory Regime for Property Valuation and Auditors | 12 February 2021 |
| Amendment to Practice Guidance 4 of the Code of Corporate Governance | 1 July 2021 |
| Enhancements to Enforcement Framework | 1 August 2021 |
| Enhancements to Sustainability Reporting Regime and Board Diversity Disclosures | 1 January 2022 |
| Enhancements to Whistleblowing Framework | 1 January 2022 |
| Listing Framework for SPACs | 3 September 2021 |
| Catalist Rules | |
| Enhancements to Regulatory Regime for Property Valuation and Auditors | 12 February 2021 |
| Amendment to Practice Guidance 4 of the Code of Corporate Governance | 1 July 2021 |
| Enhancements to Enforcement Framework | 1 August 2021 |
| Enhancements to Sustainability Reporting Regime and Board Diversity Disclosures | 1 January 2022 |
| Enhancements to Whistleblowing Framework | 1 January 2022 |
| SGX-ST Rules | |
| Amendments to Regulatory Notice 11.4.2(g) of the SGX-ST Rules | 17 January 2022 |
| CDP Settlement Rules | |
| Amendments to Appendix 1 to Regulatory Notice 3.4.1 of the CDP Settlement Rules | 25 January 2021 |
| Amendments to Rule 3.2.3 of the CDP Settlement Rules | 6 September 2021 |
| Futures Trading Rules | |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 25 January 2021 |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 1 March 2021 |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 15 March 2021 |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 1 April 2021 |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 19 April 2021 |
| Amendments to Appendix A to Regulatory Notice 4.1.8, and Appendix A and Appendix B to Regulatory Notice 4.1.11 of the Futures Trading Rules | 10 May 2021 |
| Amendments to Appendix A and Appendix B to Regulatory Notice 4.1.11 of the Futures Trading Rules | 14 June 2021 |
| Amendments to Appendix A of Regulatory Notice 4.1.11 of the Futures Trading Rules | 28 June 2021 |
| Amendments to Appendix A and Appendix B to Regulatory Notice 4.1.11 of the Futures Trading Rules | 12 July 2021 |
| Amendments to Appendix A and B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 2 August 2021 |
| Amendments to Appendix B to Regulatory Notice 4.1.11 of the Futures Trading Rules | 16 September 2021 |
| Amendments to Appendix A to Regulatory Notice 4.1.11 of the Futures Trading Rules | 21 September 2021 |
| Appendix A to Regulatory Notice 4.1.8 of Futures Trading Rules | 15 November 2021 |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 22 November 2021 |
| Amendments to Rules 3.2.3A and 3.3.3, Regulatory Notices 3.2.3A and 3.3.3, and Schedule A of the Futures Trading Rules | 22 November 2021 |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 6 December 2021 |
| SGX-DC Clearing Rules | |
| Amendments to Appendix 1 of the SGX-DC Clearing Rules | 1 March 2021 |
| Amendments to Appendix 2 of the SGX-DC Clearing Rules | 19 April 2021 |
| Amendments to Appendix 1 of the SGX-DC Clearing Rules | 19 April 2021 |
| Amendments to Appendix 1 of the SGX-DC Clearing Rules | 10 May 2021 |
| Amendments to Appendix 1 of the SGX-DC Clearing Rules | 31 May 2021 |
| Amendments to Appendix 1 of the SGX-DC Clearing Rules | 12 July 2021 |
| Amendments to Appendix 1 of the SGX-DC Clearing Rules | 2 August 2021 |
| CDP Clearing Rules | |
| Amendments to the CDP Clearing Rules in relation to changes to CDP’s default management process | 6 September 2021 |
| CDP Depository Rules | |
| Amendments to Rule 12.1 of the CDP Depository Rules | 6 September 2021 |