Mock trading on Saturday, August 08, 2026

National Stock Exchange of India Limited

Circular

All Members,

Mock trading on Saturday, August 08, 2026 – No new version release

Exchange will be conducting a mock trading session in the Electronic Gold Receipts (EGR) segment on Saturday, August 08, 2026 as per following schedule:

Members are required to take note of the below important points:

---

A) NEAT+ version details

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 Annexure 5: 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

Khushal Shah Associate Vice President

Annexure 1: Important instructions regarding mock trading session

Annexure 2: Interactive Parameters for Login

Primary (BKC) / DR site

Gateway IPs Subnet ranges –

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.

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:

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
  • For 32 bit system - vc_redist.x86.exe
  • For 64 bit system - vc_redist.x64.exe
• Recommended resolution for NeatPlusEGR TWS is 1024 X 768

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.

Annexure – 5

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.