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UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 Form 40 - F Registration statement pursuant to Section 12 of the Securities Exchange Act of 1934 ; or Annual report pursuant to Section 13 ( a ) or 15 ( d ) of the Securities Exchange Act of 1934 For the fiscal year ended : December 31 , 2020 Commission file number : No. 001-35829 Vermilion Energy Inc. ( Exact name of registrant as specified in its charter ) Alberta ( Province or other jurisdiction of incorporation or organization ) 1311 ( Primary standard industrial classification code number ) N / A ( I.R.S. employer identification number ) 3500 , 520 3rd Avenue S.W. Calgary , Alberta T2P 0R3 Canada ( 403 ) 269-4884 ( Address and telephone number of registrant's principal executive office ) National Corporate Research , Ltd. 225 West 34th Street , Suite 910 New York , New York 10122 U.S.A. ( 212 ) 947-7200 ( Name , address and telephone number of agent for service in the United States ) Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class : Trading Symbol : Common Shares VET Name of each exchange on which registered : New York Stock Exchange Securities registered or to be registered pursuant to Section 12 ( g ) of the Act : None Securities for which there is a reporting obligation pursuant to Section 15 ( d ) of the Act : None For annual reports , indicate by check mark the information filed with this form :