BANGALORE, India: Subex Ltd, a leading global provider of Operations Support Systems (OSS) solutions for telecom operators, announced today that it has been ranked among the Deloitte Technology Fast 50 India list for the third consecutive year. This ranking places Subex in the Deloitte Technology Fast 500 Asia Pacific 2007 as well.

Subash Menon, Founder Chairman, Managing Director & CEO, Subex Ltd said, "This listing is an endorsement of Subex's proven business model and world class technology. It is also a reflection of the competitive advantage that we offer our customers through Operational Dexterity, which is a combination of service agility and operational efficiency."

The Deloitte Technology Fast 50 India 2007 Program conducted by Deloitte Touche Tohmatsu, Asia Pacific, recognizes fast growing technology companies in terms of their revenue growth over three financial years. To qualify for this ranking, companies must have a proprietary technology that has significantly contributed to the turnover, have produced a technology related product or spent a high percentage of their resources on research and development. The company must also be headquartered in India.

"This ranking is further proof of the robustness of Subex's Revenue Operations Center (ROC) concept, ensuring a lean and agile operation for our customers," said Sudeesh Yezhuvath, COO, Subex Ltd.

Subex has witnessed strong customer momentum last year, establishing a strong presence in Australia, China, India, Indonesia, Japan, Taiwan, Thailand and Vietnam reflecting the company's APAC reach. Today, Subex has clearly emerged as the leader in the software product development space through its continued focus on innovative technology solutions that will help telecom operators capture lost revenue and deliver more value to customers, investors and partners.

-ENDS-

About Subex Limited

Subex is a leading global provider of Operations Support Systems (OSS)

solutions with a mission to empower telecom operators to achieve competitive advantage and deliver new service experiences to subscribers. The company pioneered the strategic concept of the Revenue Operations Center (ROC) - a centralized and integrated infrastructure for end-to-end monitoring, measurement and control of the operator's revenue chain - to foster operational dexterity and hence sustained profitability.

Subex's software portfolio powers the ROC and its best-in-class solutions enable new service creation, subscriber-centric fulfillment, provisioning automation, revenue assurance & cost management, data integrity management, fraud management and interconnect/interparty settlement.

Subex's customers include 32 of the world's 50 largest telecom operators by revenue. The company has more than 150 installations in over 60 countries. Subex was named in the prestigious Deloitte Technology Fast 500 Asia Pacific 2006 list of companies, underlining the company's growth and leadership status.

For more information please visit www.subexworld.com

Forward Looking and Cautionary Statements

Certain statements in this release concerning Subex's products, strategy and future growth prospects are forward-looking statements, which involve a number of risks, and uncertainties that could cause actual results to differ materially from those in such forward-looking statements. The risks and uncertainties relating to these statements include, but are not limited to, market acceptance of Subex's products and services, Subex's ability to implement its growth strategy, competition in Subex's areas of business and general economic conditions affecting the telecom industry. Further information: In Europe or Asia please contact Peppa Sheridan at Milner LLP tel: + 44 7725 121189 peppa.sheridan@milnerllp.com

In the U.S. please contact Guy Murrel at Catapult PR-IR tel +1 303-581-7760 gmurrel@catapultpr-ir.com

In India please contact Shivaram Lakshminarayan at Genesis Burson-Marsteller PR tel: +91 9886136796 shivaram.l@bm.com