Qwest Communications Becomes First Integrator To Achieve SunTone(sm) Certification For Implementation And Architecture Services

Denver, April 3, 2001 - Qwest Communications International Inc. (NYSE: Q), the broadband Internet communications company, today announced that it is the first company to achieve SunTone Certification for Integrator Services for its implementation and architecture engineering services. Today, Qwest also announced that its basic infrastructure for web hosting offering has also achieved SunTone Service Provider Certification, giving Qwest a robust list of merits for its hosting solutions.

In June 2000, Qwest's Platform Hosting Solutions became the first in a line of Qwest web hosting offerings awarded the SunTone seal of approval. Today, Qwest is on an aggressive track to SunTone certify its entire suite of hosting services, creating the industry's first end-to-end certified portfolio for web hosting. Among those services undergoing the certification process are Qwest's enhanced and premium services, as well as its management design integration for custom services.

During the SunTone certification process, Qwest's CyberCenters(sm), network infrastructure, platforms, applications, service best practices, policies, security and operations were examined to help ensure the highest levels of service readiness, competency and capacity. As a result, all web hosting customers can be confident that Qwest has the ability to provide a complete line of best-in-class solutions.

"Having the SunTone certified seal of approval lends an incredible amount of credibility to our offerings, and differentiates Qwest in the hosting arena," said Rick Weston, senior vice president, Qwest Internet Solutions. "Businesses need assurance that their web hosting partner is qualified and reliable, and SunTone provides that comfort. We're moving quickly to SunTone certify our entire array of hosting solutions."

Through its 15 national CyberCenters, Qwest provides a full range of web hosting and managed services for customers' Internet-based applications. Through aggressive service level agreements (SLAs), Qwest provides guaranteed network availability on its all-optical, OC-192c Internet protocol (IP) fiber network. Customers can chose from a range of web hosting offerings that meet their distinct e-business needs, from basic e-commerce site to enterprise-level custom designs.

"We expanded our SunTone program to include integrator services as the demand for web-based services increased. It is vital for integrators to establish the reliability of their services to distinguish themselves in this competitive market," said Tim Dwyer, vice president of marketing sales development for Sun's Network Services Provider group. "We look forward to working with Qwest to continue to certify all of the its hosting options."

About Qwest

Qwest Communications International Inc. (NYSE: Q) is a leader in reliable, scalable and secure broadband Internet-based data, voice and image communications for businesses and consumers. The Qwest Macro Capacity(r) Fiber Network, designed with the newest optical networking equipment for speed and efficiency, spans more than 106,000 miles globally. For more information, please visit the Qwest web site at www.qwest.com.

About the SunTone(sm) Certification and Branding Program

Launched in May 1999, The SunTone Certification and Branding Program is a collaborative effort with industry-wide support, led by Sun Microsystems, Inc., topromote 7-by-24 service and reliability as a norm for consumer and business Internet-based services. Under the SunTone Certification and Branding Program, service providers, independent software vendors and integrators have endured a rigorous specification process which examines the infrastructure, operational practices, hardware, software, and overall service delivery to help ensure that the services orapplications they provide meet the program's high standards. Certification under the SunTone program is designed to give customers the confidence that the SP's operations and infrastructure has been evaluated and judged to be reliable and of high quality. The SunTone Certification and Branding Program currently has more than 1200 service providers, independent software vendors, and system integrators, applicants, and over 70 SunTone certified solutions to meet a variety of business needs.

Program Description: For more reference information, please refer to the SunTone certified press kits on Sun Microsystems' Website at http://www.sun.com/suntone Sun, Sun Microsystems, the Sun Logo, SunTone and the SunTone logo are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries.

This release may contain projections and other forward-looking statements that involve risks and uncertainties. These statements may differ materially from actual future events or results. Readers are referred to the documents filed by Qwest with the Securities and Exchange Commission, specifically the most recent reports which identify important risk factors that could cause actual results to differ from those contained in the forward-looking statements, including potential fluctuations in quarterly results, volatility of Qwest's stock price, intense competition in the communications services market, changes in demand for Qwest's products and services, dependence on new product development and acceleration of the deployment of advanced new services, such as broadband data, wireless and video services, which could require substantial expenditure of financial and other resources in excess of contemplated levels, higher than anticipated employee levels, capital expenditures and operating expenses, rapid and significant changes in technology and markets, adverse changes in the regulatory or legislative environment affecting Qwest's business and delays in Qwest's ability to provide interLATA services within its 14-state local service territory, failure to maintain rights of way, and failure to achieve the projected synergies and financial results expected to result from the acquisition of U S WEST timely or at all and difficulties in combining the operations of Qwest and U S WEST. This release may include analysts' estimates and other information prepared by third parties for which Qwest assumes no responsibility. Qwest undertakes no obligation to review or confirm analysts' expectations or estimates or to release publicly any revisions to any forward-looking statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

The Qwest logo is a registered trademark of, and CyberCenter is a service mark of, Qwest Communications International Inc. in the U.S. and certain other countries.

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