Technology

Mimecast spurns Proofpoint's higher take-private bid over antitrust concerns

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Jan 13 (Reuters) - Mimecast Ltd (MIME.O), the email security provider that announced a deal to go private last month, has rejected a higher offer from Thoma Bravo-backed Proofpoint due to antitrust risks, according to regulatory filings and sources familiar with the situation.

Proofpoint offered $92.50 cash per share on Dec. 31, weeks after private equity firm Permira signed a $5.8 billion deal to buy Mimecast with a 30-day go-shop period during which Mimecast can talk with other parties, said the people, who requested anonymity to discuss private matters.

While the offer is 16% higher than Permira's bid of $80 per share, Mimecast rejected Proofpoint's request to conduct due diligence, citing antitrust risks of merging two major email security vendors, the people said.

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Mimecast's special committee reviewed the offer with legal counsels and concluded a combination of two competitors could control over 50% of the email security market. They believed such deal would likely result in a lengthy review by antitrust regulators, and few remedies such as divestitures are available, the people said.

After several discussions, Mimecraft did not feel its concerns were adequately addressed by Proofpoint, which had indicated it could raise its offer further pending due diligence.

"After considering all the alternatives available to Mimecast, the Board of Directors determined that the Permira transaction is in the best interests of shareholders and the Company," a spokesperson for Mimecast said in a statement.

"It maximizes value, delivering a significant cash premium with a clear path to close."

Proofpoint declined to comment. Thoma Bravo, a private equity firm which took Proofpoint private in a $12.3 billion deal last April, did not respond to a request for comment.

The Permira deal is expected to close in the first half of 2022, subject to shareholder approval.

Mimecast shares rose 1.43% to $80.32.

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Reporting by Krystal Hu in New York; Editing by Richard Chang

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