Mock trading on Saturday, June 20, 2026 - No new version release

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National Stock Exchange of India Limited Non-Confidential Circular Department: ELECTRONIC GOLD RECEIPTS Download Ref No: NSE/EGR/74801 Date: June 19, 2026 Circular Ref. No: 16/2026 All Members, Mock trading on Saturday, June 20, 2026 – No new version release Exchange will be conducting a mock trading session in the Electronic Gold Receipts (EGR) segment on Saturday, June 20, 2026 as per following schedule: Mock Date: June 20, 2026 Particulars Time in Hrs Trading Session from Primary Site - Pre-open session Open 13:45 Pre-open session Close* *Random closure in last one minute 13:53 Normal Market open time 14:00 Block Deal Window Session open time 14:30 Block Deal Window Session close time 14:45 Auction Market Open Time 14:20 Auction Market Close Time 14:55 Normal Market close time 15:00 Trade modification end time 15:10 Re-login Timings - Live Re-login start time 18:30 Live Re-login close time 19:00 Members are required to take note of the below important points: A) NEAT+ version details Version Download Path on NSE Extranet: 1.0.0 /egftp/egcommon/NEATPlus100 National Stock Exchange of India Limited Page 2 of 4 Non-Confidential Members are advised to refer to the following Annexures for important instructions regarding the mock trading: Annexure 1: Important instructions regarding mock trading session. Annexure 2: Interactive Parameters for Login Annexure 3: Parameters for market data broadcast for EGR segment Annexure 4: Installation procedure for NEATPlus EG Version 1.0.0 For and on behalf of National Stock Exchange of India Limited Aarti Surve Chief Manager Annexure 1 : Important instructions regarding mock trading session Particulars Details Password Default password shall be “Neat@EG1” No Financial Obligation: Trades during mock sessions will not result in any fund pay-in or pay- out. Live Updates: Visit www.nseindia.com for any session-related updates. Support: For queries, call Toll-Free: 1800 266 0050 (Option 1). Extranet / Member portal availability Connect2NSE and Extranet facility shall not be available from 11:30 am till end of mock session. Extranet API shall not be available from 11:30 am to 01:00 pm. Annexure 2: Interactive Parameters for Login Primary (BKC) / DR site Gateway Router IP Address Port 172.19.14.86 11887 Gateway IPs Subnet ranges – Toll Free No Email id 1800-266-0050 (Option1) msm@nse.co.in National Stock Exchange of India Limited Page 3 of 4 Non-Confidential Network 172.19.14.0 Mask 255.255.255.128 Port 11860 Annexure 3: Parameters for market data broadcast for EGR segment Combined broadcast - Price volume (5 depth 1 second refresh), other related data, master updates, market open/close status message broadcast etc. Source 1 Source 2 Stream Multicast IP Address Broadcast Port Multicast IP Address Broadcast Port EGR 239.50.50.63 10863 239.50.50.68 10868 Annexure 4: Installation procedure for NEATPlus EGR Version 1.0.0 The respective EXE and master files are available for download in the NSE EXTRANET path mentioned below: Exe/master files Version / Setup Files Path on Extranet NEAT NEAT EG Version 1.0.0 /egftp/egcommon/NEATPlus100 NEAT Adapter NA_1.0.25_Setup.exe /egftp /egcommon/NeatAdapter/ Security & participant master file security_eg.gz egftp/egcommon/ntneat participant_eg.gz Pre-requisites: • Application will support OS – Upto Windows 10 • Redistributable package should be downloaded from https://www.microsoft.com/en- us/download/details.aspx?id=48145 and installed on Desktop system before installing Neat EGR TWS exe o For 32 bit system - vc_redist.x86.exe o For 64 bit system - vc_redist.x64.exe • Recommended resolution for NeatPlusEGR TWS is 1024 X 768 National Stock Exchange of India Limited Page 4 of 4 Non-Confidential Installation: • Download the setup file ‘NEATEGTWSSetup.exe’ to your hard disc in the root directory (i.e. C:\ or D:\ or E:\). • Go to the drive where NEATEGTWSSetup.exe is copied. • Double click on the NEATEGTWSSetup.exe. • The files will be extracted with the window pop up ‘NEATPlusEG Installer 1.0.0: Extracting Files’. • It will be followed by ‘NEAT-EGR Version 1.0.0 Installer’ pop up window. Installation drive (where application will be installed) will be C: by default. • The user can change the default installation drive to any other local drives (e.g. D: or E:) • Click on ‘Install’ button on this pop-up window and follow the installation instructions. • Message of successful installation will be displayed once the complete application is installed. • The user can run NEAT-EG TWS application by double clicking on either of the following: a. NEAT-EG TWS shortcut icon created on the desktop. b. NEAT-EG TWS entry in the ‘Programs’ sub-menu of the ‘Start’ menu. c. NEAT-EG.exe located in the NEATEGDB-TWS directory in the installation drive. Updating the new version with latest data: • Download following files from NSE EXTRANET path egftp/egcommon/ntneat onto the logon drive: 1) security_eg.gz 2) participant_eg.gz ▪ Unzip the above files ▪ From the log on screen click on the “UPLOAD” button to update contracts and participants details.