• 1 customer in 2007, 2 in 2008 and 4 in 2009
• Customers in Asia, Africa, Europe and Latin America
• Partnering with the world's leading SIM card manufacturers
• Currently averaging more than ½ million allocations a month

Englewood, Colorado - Evolving Systems, Inc. (NasdaqCM-EVOL), a leading provider of software solutions and services to the wireless, wireline and cable markets, today announced that the company's pioneering Dynamic SIM Allocation™ solution has activated more than 3 million prepaid SIM cards worldwide, underlying its success in delivering a compelling alternative to the traditional pre-provisioning model.

"Evolving Systems' Dynamic SIM Allocation solution not only provides significant cost savings by simplifying the SIM supply chain and optimizing network capacity, it can also be a new revenue stream for operators looking to enhance the customer experience and provide a competitive edge" said Stuart Cochran, CTO of Evolving Systems. "By allowing for a massive increase in SIM card supply, without the normal costs and complexity, operators benefit from a more flexible supply chain, quicker launch of tariffs and other promotions, better utilization of numbers, differentiation through number selection and more effective dealers."

"Three of our Dynamic SIM Allocation solution customers are already in production, including Telefónica Móviles México and MTN South Africa, with the remaining African and Southeast Asian operators due to go live next year," commented Thad Dupper, President and CEO of Evolving Systems. "Dynamic SIM Allocation provides a simple, efficient and cost-effective solution helping operators make better use of network capacity and build a competitive edge in a crowded marketplace. Our rapidly expanding customer base highlights the solution's appeal to wireless operators worldwide."

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About Dynamic SIM Allocation
Dynamic SIM Allocation solution is a new way of activating phones, which removes the inefficiencies of pre-provisioning, avoids the costs associated with large numbers of inactive SIM cards, and enables wireless carriers to offer an enhanced end-user experience. Evolving Systems' Dynamic SIM Allocation solution can help:

• Optimize use of core network capacity
  
  • Provision only on first use of SIM cards
• Improve SIM Card Supply Flexibility
  
  • With improved geographic mobility of SIM cards
• Improved MSISDN Utilization
  
  • By provisioning numbers at first use of the SIM card
• Increase revenue by enhancing user experience
  
  • Offer choice and personalization on first use

About Evolving Systems®
Evolving Systems, Inc. (NASDAQ-EVOL) is a provider of software and services to more than 70 network operators in over 40 countries worldwide. Its portfolio includes market-leading products for Service Activation, Service Verification, Dynamic SIM Allocation, Number Portability, Number Inventory and Mediation solutions. Founded in 1985, the Company has headquarters in Englewood, Colorado, with offices in the United Kingdom, Germany, India and Malaysia. Further information is available on the web at www.evolving.com.

CAUTIONARY STATEMENT
This news release contains "forward-looking statements" within the meaning of the United States' Private Securities Litigation Reform Act of 1995, based on current expectations, estimates and projections that are subject to risk. Specifically, Evolving Systems' statements about the impact of the information described in this press release and the ability of Evolving Systems' solutions to handle future needs of the customers described in this press release, or other customers, are forward-looking statements. Readers should not place undue reliance on these forward-looking statements, and Evolving Systems may not undertake to update these forward-looking statements. Actual results could differ materially because of many factors, such as internal budgeting changes of customers, the impact of competition and the general state of the telecommunications industry. For a more extensive discussion of Evolving Systems' business, please refer to the Company's Form 10-K filed with the U.S. SEC on March 11, 2009, as well as subsequently filed Forms 10-Q, 8-K and press releases and the Company's website at www.evolving.com.