MGC DIAGNOSTICS CORPORATION SHAREHOLDER ALERT: Rigrodsky & Long, P.A. Announces Investigation of Buyout

Rigrodsky & Long, P.A.:

• Do you own shares of MGC Diagnostics Corporation (NASDAQ CM: MGCD)?
• Did you purchase any of your shares prior to November 27, 2017?
• Do you think the proposed buyout is fair?
• Do you want to discuss your rights?

Rigrodsky & Long, P.A. announces that it is investigating potential legal claims against the board of directors of MGC Diagnostics Corporation ("MGCD" or the "Company") (NASDAQ CM: MGCD) regarding possible breaches of fiduciary duties and other violations of law related to the Company's entry into an agreement to be acquired by affiliates of Altus Capital Partners, Inc. ("Altus") in a transaction valued at approximately $50.3 million. Under the terms of the agreement, shareholders of MGCD will receive $11.03 in cash for each share of MGCD common stock.

If you own common stock of MGCD and purchased any shares before November 27, 2017, if you would like to learn more about this investigation, or if you have any questions concerning this announcement or your rights or interests, please contact Seth D. Rigrodsky or Gina M. Serra at Rigrodsky & Long, P.A., 2 Righter Parkway, Suite 120, Wilmington, DE 19803, by telephone at (888) 969-4242, or by e-mail at info@rl-legal.com.

Rigrodsky & Long, P.A., with offices in Wilmington, Delaware and Garden City, New York, regularly prosecutes securities fraud, shareholder corporate, and shareholder derivative litigation on behalf of shareholders in state and federal courts throughout the United States.

Attorney advertising. Prior results do not guarantee a similar outcome.

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