Evolving Systems Sets Date for First Quarter 2011 Financial Results News Release and Conference Call

| Source: Evolving Systems Evolving Systems

ENGLEWOOD, CO--(Marketwire - May 4, 2011) - Evolving Systems, Inc. (NASDAQ: EVOL), a leading provider of software solutions and services to the wireless, wireline and cable markets, today announced it will release its 2011 first quarter financial results after the market closes on May 11, 2011, and conduct a conference call the same day at 2:30 p.m. Mountain Time (4:30 p.m. Eastern Time).

The call-in numbers for the conference call are 1-877-303-6316 for domestic toll free and 650-521-5176 for international callers. The conference ID number is 65193596.

A telephone replay will be available through May 18, 2011, and can be accessed by calling 1-800-642-1687 or 1-706-645-9291, conference ID number 65193596.

To access a live Webcast of the call, please click the webcast icon at the top of the home page of Evolving Systems' website at