October 1, 2002

Endocardial Solutions, Inc. to Release Third Quarter Earnings Results October 22, 2002

MINNEAPOLIS / ST.PAUL -- Endocardial Solutions, Inc. (Nasdaq: ECSI) invites you to participate in a teleconference call to discuss the Third Quarter Earnings Results on October 22nd at 9:30am (CST). Jim Bullock, President and CEO, will lead the call. Please call the number listed below five minutes prior to the call. We look forward to your participation. Instant replay of this call will be available two hours after the call has ended until 12:00 midnight (CST) on October 29th, 2002. The teleconference will be webcast simultaneously through Endocardial’s website at www.endocardial.com and at www.ccbn.com.

Endocardial Solutions, Inc.
Third Quarter Earnings Conference Call
October 22, 2002
9:30am (CST)
US/Canada participants dial 877-272-5391
International participants dial 706-634-0654
Moderator: Jim Bullock

Instant Replay through October 29, 2002:
US/Canada participants dial 800-642-1687
International participants dial 706-645-9291
Conference ID: 5976130

About Endocardial Solutions
Based in St. Paul, Minnesota, Endocardial Solutions (www.endocardial.com) develops, manufactures, and markets technology for diagnostic mapping of complex arrhythmias (abnormally rapid heartbeats caused by irregular electrical activity in the heart). The EnSite 3000® System provides a 3D graphical display of the heart’s electrical activity.

The discussion above contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. A number of factors should be considered in conjunction with these forward-looking statements. These factors are set forth in the cautionary statements included in Exhibit 99 to Endocardial Solutions’ Form 10K for the year ended December 31, 2001, filed with the Securities and Exchange Commission. Endocardial Solutions cautions investors and others to review the statements set forth in that report and that other factors may prove to be important in affecting the business and results of operations of Endocardial Solutions.

Contacts:
Jim Bullock, President and CEO, Endocardial Solutions (651) 523-6928 jbullock@endocardial.com

Brenda Gutzke, Investor Relations, Endocardial Solutions (651) 523-6959 bgutzke@endocardial.com