Angeion to Announce 2011 Second-Quarter Results on Thursday, May 26 Company to Hold Investor Conference Call at 4:00 p.m. CT

SAINT PAUL, Minn. (May 16, 2011) —Angeion Corporation (NASDAQ: ANGN) today announced
that it will release its fiscal 2011 second-quarter results on Thursday, May 26, 2011, at market close.
Following the release, the company will hold an investment community conference call on the same
day, beginning at 4:00 p.m. CT. Management will review second-quarter performance and discuss
the company’s strategies. To join the conference call, dial 1-800-762-8779 (international 1-480-629-
9771) and provide the conference identification number 4441328 to the operator.
A replay of the conference call will be available one hour after the call ends through 11:59 p.m. CT
on Wednesday, June 1, 2011. To access the replay, dial 1-800-406-7325 (international
1-303-590-3030) and enter passcode: 4441328.

About Angeion Corporation
Founded in 1986, Angeion Corporation acquired Medical Graphics Corporation in December 1999.
Medical Graphics develops, manufactures and markets non-invasive cardiorespiratory diagnostic
systems that are sold under the MedGraphics (www.medgraphics.com) and New Leaf
(www.newleaffitness.com) brand names. These cardiorespiratory product lines provide solutions for
disease detection, integrated care, and wellness across the entire spectrum of health – whether
managing chronic illness, promoting fitness, or training for the Olympics. The Company’s products
are sold internationally through distributors and in the United States through a direct sales force that
targets heart and lung specialists located in hospitals, university-based medical centers, medical
clinics and physicians’ offices, pharmaceutical companies, medical device manufacturers, clinical
research organizations, health and fitness clubs, personal training studios, and other exercise
facilities. For more information about Angeion, visit www.angeion.com.

Contact
For further information, please contact Chief Executive Officer, Philip I. Smith at 651-766-3327.

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