1.1 Rule 8.3 states that the closing price of a Prescribed Instrument shall be calculated in accordance with the relevant formula and procedure applicable to each Prescribed Instrument, as determined by SGX-ST from time to time. In arriving at such formula and procedure, SGX-ST may take into account factors, including but not limited to:

1.2 This Regulatory Notice sets out the formula and procedure that SGX-ST may use to determine the closing price of Prescribed Instruments as contemplated in the above Rule.

1.3 Unless the context requires otherwise, the following terms shall have the meanings ascribed to them in Regulatory Notice 8.2.1:

1.4 The list of securities, futures contracts or products or classes of securities, futures contracts or products that have been prescribed as Prescribed Instruments under Rule 8.3 is set out in Appendix A To Regulatory Notice 8.3.

Refer to Appendix A To Regulatory Notice 8.3.

2.1 SGX-ST may use any of the following as the closing price of a Prescribed Instrument for a Market Day:

2.2 The Closing Range, for the purposes of this Regulatory Notice, shall be the last 15 minutes of the Trading Phase, or such other time as may be determined by SGX-ST and notified to the market from time to time.

2.3 Where SGX-ST deems it necessary or desirable for ensuring a fair, orderly and transparent market or the integrity of the market, or for proper management of systemic risk in the market, SGX-ST may use an alternative formula and/or procedure to determine the closing price of a Prescribed Instrument.

2.3 SGX-ST shall, as soon as practicable, notify the Authority of any action taken by SGX-ST pursuant to paragraph 2.3 of this Regulatory Notice.