Dated: May 24, 2023

N O T I C E

Sub: Testing Framework for the Information Technology (IT) systems of the Market Infrastructure Institutions (MIIs)

All entities of the Exchange are hereby informed that Securities Exchange Board of India (SEBI) has issued a Circular No. SEBI/HO/MRD/TPD/P/CIR/2023/65 dated May 05, 2023, regarding Testing Framework for the Information Technology (IT) systems of the

Market Infrastructure Institutions (MIIs).The copy of SEBI circular is enclosed as Annexure for reference.

All entities are requested to take note of the contents of the aforesaid SEBI Circular.

For The Calcutta Stock Exchange Ltd.                                                                     

Dhiraj Chakraborty

CGM & Compliance Officer

Encl: SEBI/HO/MRD/TPD/P/CIR/2023/65 dated May 05, 2023