SUBEX

Subex Systems Limited has informed the Exchange regarding a press release dated February 15, 2006, titled, "Subex to launch ONtrack�, an end-to-end subscriber risk management solution". The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/Corporate Announcements).

Subex Systems Limited has informed the Exchange regarding a press release dated, January 27, 2006, titled, " Subex's registers 48% growth in revenues; Profits up by 40%; To raise US$ 10 million through the issue of GDRs". The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/Corporate Announcements).

Subex Systems Limited has informed the Exchange regarding press release issued by the company dated October 28, 2005, titled, "Subex's products business posts 148% growth; Half-yearly revenues up by 72%, net profit up by 114%." The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange regarding press release issued by the company dated October 19, 2005, titled, "Subex inducts Sanjay Paul Antony as Vice President- Human Resources.' The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange regarding a press release dated October 11, 2005, titled 'Subex wins RevMax(TM) order in Africa - Contract value in excess of US$1 million.' The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange regarding a Press Release dated September 19, 2005, titled 'Subex successfully ports INcharge (TM) Revenue Assurance solution to utilize Teradata (R) database'. The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange regarding a Press Release dated August 02, 2005, titled 'Subex wins Ranger(TM) FMS order from Tier-1 ISP in North America; First pure ISP win for Subex', being issued by the Company. The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange regarding a press release dated July 28, 2005 titled "Subex Net Profit zooms by 110% - Revenue up by 82%, at Rs.412.15 Million" The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange that the Company intends to release a press release dated June 07, 2005, titled 'Subex wins Ranger FMS order from Asian Telco.' The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange that the Company intends to release a press release dated May 26, 2005, titled 'Subex wins RevMax (TM) deal from Mascom Wireless, Botswana.' The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange that the Company intends to release a press release dated May 17, 2005, titled 'Subex launches Version 3 of INcharge (TM) Revenue Assurance System.' The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange that the Company intends to release a press release dated April 06, 2005, titled 'Subex to contribute in TeleManagement Forum's Revenue Assurance Catalyst Project.' The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange that the Company intends to release a press release dated March 24, 2005, titled 'Subex's RevMax (TM) suite wins multi-million dollar largest single contract ever.' The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange that the Company intends to release a press release dated March 15, 2005, titled 'Subex to partner with Teradata to offer telcos better decision making capabilities and reduce time-to-market.' The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange regarding a press release it intends to release titled "Subex expands its footprint in the Middle East-Bags an order for its RevMax(TM)Revenue Maximization suite from one of the largest communications service providers in the Middle eastern region". The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange that the company intends to release a press release dated February 07, 2005 titled 'Vmobile Nigeria picks up Subex's INcharge(TM) Revenue Assurance Solution'. The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange of the press release dated January 27, 2005, titled "Subex Net Profit zooms by 64%". The details of the press release shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange regarding a press release titled 'Subex to open new offices in Denver and London'. The details of the press release to be issued by the company regarding the same shall be available on the NSE website (http://www.nseindia.com) under: Corporates > Latest Announcements and on the Extranet Server (/Common/CorporateAnnouncements).

Subex Systems Limited has informed the Exchange that on October 04, 2004 the company has announced the completion of the previously announced acquisition of the Fraud Management activity of Alcatel and certain assets of the Fraud Centurion product from Lightbridge, Inc. With these acquisitions, Subex has significantly expanded its custormer base across key geographies, including Western Europe and the Americas and has become the No.1 vendor worldwide for Fraud Management Systems, based on the number of installations and number of customers. "These acquisitions further our objective of becoming