Evolving Systems Sets Date for 2008 1st Quarter Release and Conference Call

ENGLEWOOD, CO--(Marketwire - April 30, 2008) - Evolving Systems, Inc. (NASDAQ: EVOL), a leading provider of software solutions and services to the wireless, wireline and IP carrier market, today announced it will release its 2008 first quarter financial results after the market closes on May 8, 2008, and conduct a conference call the same day at 3:00 p.m. Mountain Time.

The call-in numbers for the conference call are 1-888-680-0894 for domestic toll free and 617-213-4860 for international callers. The passcode is 73636226.

Participants may pre-register for the call by clicking the following link:

https://www.theconferencingservice.com/prereg/key.process?key=PPK7K483T

Pre-registration provides quick access to the call by bypassing the operator upon connection. Upon pre-registration, participants will be provided a pin number to enter when dialing in and will avoid hold times. Pre-registration is not mandatory.

A telephone replay will be available through May 22, 2008, and can be accessed by calling 1-888-286-8010 or 617-801-6888, passcode 54260693.

To access a live Webcast of the call, please visit Evolving Systems' website at www.evolving.com. A replay of the Webcast will be accessible at that website through May 22, 2008.

About Evolving Systems®

Evolving Systems (NASDAQ: EVOL) is a worldwide provider of software and services to telecommunications carriers, with 70 network operators in 45 countries. The Company's software offerings address Activation, Dynamic SIM Allocation, Number Portability, Number Management and Mediation. These solutions help carriers deliver an improved customer experience, shorter time-to-market and lower cost of rendering value-added services. With an expanding solutions portfolio, global sales and support, onshore/offshore development, and a focus on emerging markets, Evolving Systems is well positioned for growth. Founded in 1985, the Company has headquarters in Englewood, Colorado, with offices in the United Kingdom, Germany, India and Malaysia.

Contact Information: CONTACTS: Investor Relations Jay Pfeiffer Pfeiffer High Investor Relations, Inc. 303.393.7044