May 3, 2017 To BSE Limited The National Stock Exchange of India Limited Dear Sir/Madam, Sub: Press Release- Subex awarded a new 5-year Framework Contract with BT As per Regulation 30 of the SEBI (LODR) Regulations, 2015, please find enclosed the Press Release which the Company intends to make. Kindly broadcast the same on your website on May 3, 2017.