Evolving Systems - Press Release

30 April 2009 - European Tier 1 Carrier Selects Evolving Systems' Dynamic SIM Allocation™ Solution

The carrier will rely on solution to support aggressive growth strategy for pre-paid customers
Solution minimizes costs by improving network database utilization
Avoids the need for pre-provisioned SIM cards

ENGLEWOOD, Colorado - Evolving Systems, Inc. (NASDAQ-EVOL), a leading provider of software solutions and services to the wireless, wireline and cable markets, today announced that a leading European carrier has selected the Company's Dynamic SIM Allocation™ solution to support the carrier's aggressive growth strategy for pre-paid customers.

Today, the carrier has a predominantly post-paid customer base but is looking to expand its distribution channel and its pre-paid customer base. After a competitive evaluation the carrier selected Evolving Systems' Dynamic SIM Allocation solution to support its growth strategy. The Dynamic SIM Allocation solution will enable significant business changes and avoid the need for extensive network expansion, which could prove both expensive and time-consuming. The solution will also remove the need to pre-provision SIM cards and allow the carrier to activate them at first use.

"Evolving Systems' Dynamic SIM Allocation solution will enable the carrier to scale its business and improve network database and SIM card utilization. Without this change, increasing the pre-paid business would have created large numbers of inactive, pre-provisioned SIM cards," said Thad Dupper, president and CEO of Evolving Systems. "Evolving Systems' Dynamic SIM Allocation solution will provide a new way to activate phones, freeing up valuable network capacity and increasing SIM supply chain flexibility. The carrier selected Evolving Systems based on our technically superior solution and longstanding existing relationship, but more importantly our commitment to deliver a high quality mission critical solution in a timely manner."

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, Process Management, 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

About Dynamic SIM Allocation
Evolving Systems' Dynamic SIM Allocation solution enables wireless carriers to offer the benefits and resource efficiency of provisioning at the point of sale without increasing the demand on retailer point of sale systems or their subscriber self-service infrastructure. SIM cards are activated when the customer's mobile phone is first switched on and used; decisions such as allocation of a phone number and selection of supported services are only made at this point of first use, and any required information is collected from the customer via their mobile device.

The Dynamic SIM Allocation solution helps carriers to:

Meet growing demand for SIM cards
Reduce SIM card distribution costs
Optimize MSISDN ranges and core network capacity
Enable number choice and service up-sell

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 contract described in this press release and the ability of Evolving Systems' solutions to handle future needs of this carrier and other carriers 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 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.

CONTACTS:
Investor Relations
Jay Pfeiffer
Pfeiffer High Investor Relations, Inc.
303.393.7044
jay@pfeifferhigh.com

Press Relations
Sarah Hurp
Marketing Manager
Evolving Systems
+44 1225 478060
sarah.hurp@evolving.com

Evolving Systems is a registered trademark of Evolving Systems, Inc.

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Tertio ™ Service Activation

Event-driveb, Aytomated Service Activation

Key to Profitability

An effective activation system is critical to an operator's profitability. The activation system is involved in providing every service to every subscriber - voice, data, content, information or messaging. The volume of activation transactions handled by operators is huge - and still growing. The activation system needs to support many new network technologies and increasingly complex activation processes as more data and content services are introduced.