Argo Group Announces that 2021 Annual General Meeting Will be Held in Virtual Format

Argo Group International Holdings, Ltd. (NYSE: ARGO) ("Argo” or the "Company”) today announced that, due to the recent increase in COVID-19 infection rates in Bermuda, and the resulting mandatory stay-at-home order from the Bermuda government, the Company will not hold its 2021 Annual General Meeting in Bermuda and will instead be holding it in a virtual format only.

The Annual General Meeting will be held on Thursday, May 6, 2021 at noon local Bermuda time (11:00 a.m. Eastern Time) in a virtual meeting format only at www.virtualshareholdermeeting.com/ARGO2021. As described in the proxy materials for the Annual General Meeting previously distributed, shareholders as of the close of business on March 15, 2021, the record date, are entitled to participate in the Annual General Meeting. To participate, shareholders will need the 16-digit control number included in the proxy materials delivered to such shareholder.

A notice regarding the change of location of the Annual General Meeting (the "Notice”) is being filed with the Securities and Exchange Commission together with this press release. Additional information regarding the Annual General Meeting, shareholder participation and voting is provided in the Notice.

ABOUT Argo Group International HOLDINGS, LTD.

Argo Group International Holdings, Ltd. (NYSE: ARGO), is an underwriter of specialty insurance products in the property and casualty market. Argo offers a full line of products and services designed to meet the unique coverage and claims-handling needs of businesses in two primary segments: U.S. Operations and International Operations. Argo and its insurance subsidiaries are rated ‘A-’ by Standard and Poor’s. Argo’s insurance subsidiaries are rated ‘A-’ by A.M. Best. More information on Argo and its subsidiaries is available at www.argolimited.com.

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