Dated: 27^th December, 2018

N O T I C E

Sub: Cyber Security and Cyber Resilience framework of Stock Exchanges, Clearing Corporations and Depositories

All members of the Exchange are hereby informed that Securities Exchange Board of India (SEBI) has issued a Circular No. CIR/MRD/CSC/148/2018 dated December 07, 2018. A Copy of SEBI circular is attached herewith for your information and necessary action at your end.

For The Calcutta Stock Exchange Ltd.

Dhiraj Chakraborty

Dy. General Manager

Encl: SEBI Circular dated December 07, 2018