WASHINGTON, May 14, 2013 /PRNewswire/ -- Cogent Communications Group, Inc. (NASDAQ: CCOI), one of the largest Internet service providers in the world, today announced that Dave Schaeffer, Cogent's chief executive officer, will present at the following conferences: (Logo: http://photos.prnewswire.com/prnh/20020204/DCM032LOGO ) The B. Riley 14th Annual Investor Conference is being held at the Loews Santa Monica Beach Hotel in Santa Monica, CA. Dave Schaeffer will be presenting on Monday, May 20th at 1:00 p.m. PDT. The Stifel Internet, Media and Communications Conference is being held at The Pierre Hotel in New York, NY. Dave Schaeffer will be presenting on Tuesday, May 21st at 2:40 p.m. EDT. The Barclays Technology, Media and Telecommunications Conference is being held at the Crowne Plaza Times Square in New York, NY. Dave Schaeffer will be presenting on Thursday, May 23rd at 4:40 p.m. EDT. Investors and other interested parties may access a live audio webcast of the conference presentations by going to the "Events" section of Cogent's website at www.cogentco.com/events. A replay of the Stifel webcast will be available on Cogent's website for 30 days following the presentation and replays of the B. Riley and Barclays webcasts will be available for 90 days following the presentations. About Cogent Communications Cogent Communications (NASDAQ: CCOI) 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, point-to-point transport and colocation services. Cogent's facilities-based, all-optical IP network backbone provides IP services in over 180 markets globally.