DENVER, November 17, 2004 ? Qwest Communications International Inc. (NYSE: Q) today announced that the city of Missoula, Mont. has selected Qwest?s wide area networking (WAN) solution, known as iQ Networking ? to help it control and eliminate unwanted spam and viruses that present a strain on the city?s network.

With approximately 300 employees, many of them with public e-mail addresses, the city of Missoula was challenged by the very large volumes of spam on a daily basis. The city had resource constraints it imposed on their network but never had the expertise or tools to adequately block or measure spam and email viruses. Qwest delivered a gateway-based anti-spam/anti-virus managed security service that filters and cleans e-mail from the Internet prior to reaching the customer?s network. The service also can block inappropriate content and can prevent e-mail worms from infiltrating the customer?s network.

?We didn?t realize the sheer amount of unwanted email we received until we implemented this solution and could track this problem,? said David Boring, information network manager for the city of Missoula. ?The iQ Networking service was extremely simple to implement and ultimately, we?re saving valuable resources, both in terms of management and costs.?

?There are estimates that 45-50 percent of all e-mail is spam, which creates an enormous burden on customers? memory and storage requirements,? said Cliff Holtz, executive vice president, business markets group for Qwest. ?We?re pleased to work with the city of Missoula to solve this problem and make their working environment more productive.?

The Qwest iQ Networking solution offers a wide variety of WAN services including a managed security service requiring no additional hardware or software. The security solution helps ensure that all encountered spam, adult content and viruses are quarantined and can be managed by the customer 24 hours per day. Qwest also obtains virus updates 24 times per day and constantly updates scanning techniques, providing the latest in e-mail spam and virus protection. A secure custom Web site allows authorized administrators access to the quarantined messages to define filtering preferences, create safe lists and black lists, view message reports, statistics and search the quarantine database.

About Qwest

Qwest Communications International Inc. (NYSE: Q) is a leading provider of voice, video and data services. With more than 40,000 employees, Qwest is committed to the ?Spirit of Service? and providing world-class services that exceed customers? expectations for quality, value and reliability. For more information, please visit the Qwest Web site at

Forward Looking Statement Note

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 us 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 but not limited to: access line losses due to increased competition, including from technology substitution of our access lines with wireless and cable alternatives; our substantial indebtedness, and our inability to complete any efforts to de-lever our balance sheet through asset sales or other transactions; any adverse outcome of the current investigation by the U.S. Attorney's office in Denver into certain matters relating to us; adverse results of increased review and scrutiny by regulatory authorities, media and others (including any internal analyses) of financial reporting issues and practices or otherwise; rapid and significant changes in technology and markets; any adverse developments in commercial disputes or legal proceedings, including any adverse outcome of current or future legal proceedings related to matters that are the subject of governmental investigations, and, to the extent not covered by insurance, if any, our inability to satisfy any resulting obligations from funds available to us, if any; potential fluctuations in quarterly results; volatility of our stock price; intense competition in the markets in which we compete including the likelihood of certain of our competitors emerging from bankruptcy court protection or otherwise reorganizing their capital structure and competing effectively against us; changes in demand for our products and services; 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; adverse changes in the regulatory or legislative environment affecting our business; and changes in the outcome of future events from the assumed outcome included in our significant accounting policies.

The information contained in this release is a statement of Qwest's present intention, belief or expectation and is based upon, among other things, the existing regulatory environment, industry conditions, market conditions and prices, the economy in general and Qwest's assumptions. Qwest may change its intention, belief or expectation, at any time and without notice, based upon any changes in such factors, in Qwest's assumptions or otherwise. The cautionary statements contained or referred to in this release should be considered in connection with any subsequent written or oral forward-looking statements that Qwest or persons acting on its behalf may issue. 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.

By including any information in this release, Qwest does not necessarily acknowledge that disclosure of such information is required by applicable law or that the information is material.

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