Cogent Communications CEO to Present at William Blair's 30th Annual Growth Stock Conference

WASHINGTON, June 8 /PRNewswire-FirstCall/ -- Cogent Communications Group, Inc. , one of the largest Internet service providers in the world, today announced that Dave Schaeffer, Cogent's chief executive officer, will present at William Blair's 30th Annual Growth Stock Conference at 2:40 p.m. CDT, June 16th. The conference is being held at the Four Seasons Chicago in Chicago, IL.

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Investors and other interested parties may access a live audio webcast of the presentation by going to the Investor Relations section of Cogent's website (http://www.cogentco.com/us/ir_events.php) to access the link to the live audio webcast. A replay of the webcast will be available on Cogent's IR website for 30 days following the presentation.

About Cogent Communications

Cogent Communications is a multinational, Tier 1 facilities-based ISP, consistently ranked as one of the top five networks in the world. Cogent specializes in providing businesses with high speed Internet access and point-to-point transport services. Cogent's facilities-based, all-optical IP network backbone provides IP services in over 145 markets located in North America and Europe.

Since its inception, Cogent has unleashed the benefits of IP technology, building one of the largest and highest capacity IP networks in existence. This network enables Cogent to offer large bandwidth connections at highly competitive prices. Cogent also offers superior customer support by virtue of its end-to-end control of service delivery and network monitoring.

Cogent Communications is headquartered at 1015 31st Street, NW, Washington, D.C. 20007. For more information, visit http://www.cogentco.com/. Cogent Communications can be reached in the United States at [phone] or via email at [e-mail].

Information in this release may involve expectations, beliefs, plans, intentions or strategies regarding the future. These forward-looking statements involve risks and uncertainties. All forward-looking statements included in this release are based upon information available to Cogent Communications Group, Inc. as of the date of the release, and we assume no obligation to update any such forward-looking statement. The statements in this release are not guarantees of future performance and actual results could differ materially from our current expectations. Numerous factors could cause or contribute to such differences. Some of the factors and risks associated with our business are discussed in Cogent's registration statements filed with the Securities and Exchange Commission and in its other reports filed from time to time with the SEC.

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Cogent Communications Group, Inc.

CONTACT: For Public Relations: Travis Wachter, [phone],
[e-mail]; For Investor Relations: [phone],
[e-mail]

Web Site: http://www.cogentco.com/