Mock session on Saturday, July 04, 2026 - No new version release

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National Stock Exchange of India Limited Circular Department: COMMODITY DERIVATIVES Download Ref No: NSE/COM/75010 Date: July 02, 2026 Circular Ref. No: 40/2026 All Members, Mock session on Saturday, July 04, 2026 – No new version release In continuation to circular (Download No. 71999) dated December 24, 2025, Exchange will be conducting a mock trading session in the Commodity Derivatives segment on Saturday, July 04, 2026. Mock Date: July 04, 2026 Particulars Time in Hrs Trading Session-1 from Primary Site Normal Market open time 12:45 Contingency Start Time 14:00 Contingency End Time 15:30 Normal Market close time 16:00 Trading Session-2 from DR Site Normal Market open time 16:30 Normal Market close time 17:30 Position Limit/Collateral value Set up cut off time 17:40 Trade Modification end time 17:40 Relogin Timings Live Re-login start time 18:30 Live Re-login close time 19:00 Members are requested to refer to circular no. NSE/MSD/74511 dated June 02, 2026 regarding new CA certificate and NSE/MSD/74559 dated June 05, 2026 for new version of Neat Adapter EXE application. Accordingly, members are requested to use the combination of new NEAT adapter version and new ports applicable for commodity derivatives segment as below: National Stock Exchange of India Limited Page 2 of 4 Login through Dates Applicable GR PORT New NEAT Adapter application Version 1.0.29 for Windows Neat Adapter Version 1.0.29 for Linux Neat Adapter Mandatory from July 04, 2026 (mock) 10869 Members using Direct connection through NNF users, are requested to download and use the new CA certificate which is available in Extranet path ( /comtftp/comtcommon/Encryption_CA_Certificate/2026_Certificate ). Accordingly, members shall ensure readiness of their migration plan by July 04, 2026. The applicable new interactive parameters to be used with ‘New CA certificate’: Segment Gateway Router Gateway IPs Subnet ranges IP Address New Port Network Mask Port Commodity Derivatives (COM) 172.19.15.85 10865 172.19.15.0 255.255.255.128 10850 10869* 10871** *Port – This port will support new encryption messages with MD5 checksum removal. **Port - This port will support new encryption messages with MD5 checksum removal and new immediate Ack request for order related messages. For other important instructions regarding the mock trading, kindly refer to the following Annexures: Annexure 1: Important instructions regarding mock trading session. Annexure 2: Pre-requisites / General guidelines for participating in the Mock environment. Annexure 3: Important guidelines in case of switchover of trading system to Disaster Recovery (DR) Site. For and on behalf of National Stock Exchange of India Limited Aarti Surve Chief Manager Annexure – 1 Important instructions regarding mock trading session Toll Free No Email id 1800-266-0050 (Option 1) msm@nse.co.in National Stock Exchange of India Limited Page 3 of 4 Particulars Details Connectivity Parameters: Refer to circular NSE/MSD/73993 dated April 30, 2026 for interactive connectivity details. Installation Guide: Available on NSE Extranet at /comtftp/comtcommon/Installation_Procedure. NEAT Version: 1.5.5 Order Purge: All outstanding orders will be cleared before each session. Members using NNF software must manually clear orders in their systems. Software Testing: Refer to circular NSE/MSD/46441 and SEBI circular SEBI/HO/MRD1/DSAP/CIR/P/2020/234. Members may use either Mock Trading or Simulated Environment to meet regulatory requirements. No Financial Obligation: Trades during mock sessions will not result in any fund pay-in or pay- out. UCC/PAN Validity: With reference to Exchange circular NSE/ISC/51754 dated March 24, 2022 and NSE/ISC/52722 dated June 23, 2022 issued by Investor Services Cell and updated from time to time : • Only valid and compliant UCC/PAN uploaded and approved before cutoff will be allowed. • For queries, contact uci@nse.co.in. UCC Validation will be skipped during contingency time for order entry. Participation: Members should participate using all trading software and re-login into live environment to ensure smooth connectivity for Monday, July 06, 2026. Live Updates: Visit www.nseindia.com for any session-related updates. Support: For queries, call Toll-Free: 1800 266 0050 (Option 1). Annexure – 2 Pre-requisites / General guidelines for participating in the Mock environment Pre-requisites / General guidelines Heads Details Eligibility All members enabled for trading in the Commodity Derivatives (CD) segment in the live market are automatically eligible for mock trading. Participation is enabled using existing User IDs, IPs, and Box ID mappings from the live environment. National Stock Exchange of India Limited Page 4 of 4 Telnet Connectivity Ensure you can successfully telnet the Exchange host from the IP address you intend to use. Box ID Setup Confirm that the Box ID is created on the IP with appropriate messages for the segment you wish to trade in. NNF Application Users If using Non-NEAT Frontend (NNF): a) User ID must be of dealer type. b) It must be converted for NNF. C) It must be mapped with the IP. Branch/User Limits Set appropriate branch and user limits from the Corporate Manager Terminal before placing orders in the mock session. Exchange Requests for Mock Participation Send email requests for the following actions with User ID and segment details: a) Pro Enablement b) CTCL Conversion (only dealer IDs) c) Password Reset for Corporate Manager User ID d) Unlocking of Corporate Manager User ID e) Change of Trading Rights (e.g., PRO to CLI, PRO+CLI) Password Management Corporate Manager User ID: Exchange will assist with reset/unlock via email. Other User IDs: Members must reset/unlock these themselves using the Corporate Manager Terminal. Annexure – 3 Important guidelines in case of switchover of trading system to Disaster Recovery (DR) Site 1. Kindly note below points after switch over to DR site: a. Trades of primary site will be available in Previous Trades window. b. Trades can be modified/cancelled using Multiple Trade Modification and Cancellation window respectively. c. Messages of primary site will be available in TWS Message Area. 2. If user renames or deletes the User folder and re-login the NEAT+ terminal, then data of primary site shall not be available in the functional window as mentioned above point.