NEW YORK

,

June 14, 2021

/PRNewswire/ — Purcell Julie & Lefkowitz LLP, a class action law firm dedicated to representing shareholders nationwide, is investigating a potential breach of fiduciary duty claim involving the board of directors of ManTech International Corporation (NASDAQ: MANT).

If you are a shareholder of ManTech International Corporation and are interested in obtaining additional information regarding this investigation, free of charge, please visit us at:

http://pjlfirm.com/mantech-international-corporation/

You may also contact

Robert H. Lefkowitz, Esq.

either via email at

[email protected]

or by telephone at 212-725-1000. One of our attorneys will personally speak with you about the case at no cost or obligation.

Purcell Julie & Lefkowitz LLP is a law firm exclusively committed to representing shareholders nationwide who are victims of securities fraud, breaches of fiduciary duty and other types of corporate misconduct. For more information about the firm and its attorneys, please visit

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

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SOURCE Purcell Julie & Lefkowitz LLP