April 1, 2002

<*dv_1*>Endocardial Solutions, Inc. to Release First Quarter Earnings Results April 23, 2002

<*dv_3*>MINNEAPOLIS / ST.PAUL -- Endocardial Solutions, Inc. (Nasdaq: ECSI) invites you to participate in a teleconference call to discuss the First Quarter Earnings Results on April 23 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 April 30, 2002. The teleconference will be webcast simultaneously through Endocardial’s website at www.endocardial.com and at www.ccbn.com.

Endocardial Solutions, Inc.
First Quarter Earnings Conference Call
April 23, 2002
9:30am (CST)
877-272-5391
<*dv_4*> Moderator: Jim Bullock
Instant Replay through April 30th, 2002:
<*dv_0*> US/Canada participants dial 800-642-1687
International participants dial 706-645-9291
Conference ID: 3701424

About Endocardial Solutions
<*dv_2*>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