Exhibit 99.1 Possis Medical Inc., Announces its Inclusion in the New NASDAQ Global Select Market MINNEAPOLIS--(BUSINESS WIRE)--June 27, 2006-- The Market with the Highest Initial Listing Standards in the World Possis Medical, Inc. (NASDAQ:POSS) today announced that it is included in the new NASDAQ Global Select Market. The NASDAQ Global Select Market has the highest initial listing standards of any exchange in the world based on financial and liquidity requirements. Prior to the change, Possis had been listed on the NASDAQ National Market. Beginning July 3, NASDAQ-listed companies will be classified under three listing tiers: NASDAQ Global Select Market, NASDAQ Global Market, and NASDAQ Capital Market. NASDAQ also plans to launch indexes based on these new tiers. "Possis Medical is an example of an industry leader that has achieved superior listing standards, which clearly defines the essence of the NASDAQ Global Select Market," said Bruce Aust, Executive Vice President, Corporate Client Group. "NASDAQ is focused on leading a race to the top in terms of listing qualifications. In recognizing these companies, we are highlighting their achievement in meeting the requirements to be included in the market with the highest listing standards in the world." Said Robert G. Dutcher, CEO of Possis Medical, "We're pleased to be included in NASDAQ's top-tier listing. We feel that this will be a positive for both our institutional and retail investors." NASDAQ announced the new three-tier listing classification in February 2006. All three market tiers will maintain rigorous listing and corporate governance standards. For additional information about the NASDAQ Global Select Market, please go to: www.nasdaq.com/GlobalSelect. About NASDAQ NASDAQ is the largest U.S. electronic stock market. With approximately 3,200 companies, it lists more companies and, on average, trades more shares per day than any other U.S. market. It is home to companies that are leaders across all areas of business including technology, retail, communications, financial services, transportation, media and biotechnology. NASDAQ is the primary market for trading NASDAQ-listed stocks. For more information about NASDAQ, visit www.nasdaq.com or the NASDAQ Newsroom at http://www.nasdaq.com/newsroom/. About Possis Medical, Inc. Possis Medical, Inc., develops, manufactures and markets pioneering medical devices for the large and growing cardiovascular and vascular treatment markets. Its AngioJet(R) Rheolytic(TM) Thrombectomy System is marketed internationally for blood clot removal from native coronary arteries, leg arteries, coronary bypass grafts and AV dialysis access grafts. For more information about Possis endovascular products visit www.possis.com. CONTACT: Possis Medical, Inc. Jules L. Fisher, 763-450-8011 Jules.Fisher@possis.com