Datex to provide billing and payment processing solutions for MTS Allstream Inc.

Mississauga, ON – July 25th, 2005

Datex Billing Services Inc. announced today that it has contracted with MTS Allstream Inc. to provide them with a billing and payment processing solution to address the requirements of their operations in Manitoba, Canada. Datex will use its ACME and BOSS products for the implementation. The Project is due to start immediately and a complete cutover to the Datex solution is expected within 30 days.

About Datex

Datex (www.datex.ca) is a leading application service provider of CRM, CIS and billing solutions in a variety of divergent vertical markets. Datex’ products: ACME, BOSS and RADAR provides customers with a proven suite of industry-specific solutions, CRM applications, and billing services, empowering them to deliver superior customer care and to enjoy more profitable relationships with their customers. Using its proprietary Customer Lifestyle Management (CLM) process, Datex has successfully managed and maintained the customer care and billing infrastructure for more than 60 companies spanning three decades. Datex’ team of technology experts solves the logistical and technological challenges of small and medium sized customer focused business.

About MTS Allstream Inc.

MTS is Canada’s third-largest national communications provider, with more than 6,600 dedicated employees focused on delivering outstanding value to its customers. Seamlessly blending innovative solutions and world-class technology, MTS connects its customers to the world. Through its Manitoba operations, MTS serves residential and business customers in the province, with a full suite of wireline voice, data services, wireless, and MTS TV services. MTS’s Allstream division serves national business customers, with a world-class portfolio of connectivity, infrastructure management and information technology services. MTS has an extensive national broadband fibre optic network spanning more than 24,300 kilometres, and provides international connections through strategic partnerships and interconnection agreements with other international service providers. MTS’s common shares are listed on The Toronto Stock Exchange (trading symbol: MBT). MTS’s Web site is located at www.mts.ca.