TransGlobe Energy Corporation: Holdings(s) in Company

CALGARY, Alberta, Nov. 13, 2018 (GLOBE NEWSWIRE) -- TransGlobe Energy Corporation ("TransGlobe" or the “Company”) understands that as of 31 October 2018, Janus Henderson Group PLC, Janus Henderson European Focus Fund and various funds, individuals and/or institutional clients of the foregoing (together, "Janus Henderson"), beneficially own an aggregate interest in 7,785,000 common shares of the Company, which represents approximately 10.8%¹ of the issued and outstanding common shares of the Company.

The above information is based on the Company's understanding of Janus Henderson's 13G/A Securities and Exchange Commission filing, dated 8 November 2018.

For further information, please contact:

Investor Relations

Telephone: 403.264.9888

Email: investor.relations@trans-globe.com

Web site:  http://www.trans-globe.com

TransGlobe Energy

Via FTI Consulting

Ross Clarkson, Chief Executive Officer

www.trans-globe.com

Randy Neely, President

Eddie Ok, Chief Financial Officer

Canaccord Genuity (Nomad & Joint Broker)

+44 (0) 207 523 8000

Henry Fitzgerald-O'Connor

James Asensio

GMP First Energy (Joint Broker)

+44 (0) 207 448 0200

Jonathan Wright

FTI Consulting (Financial PR)

+44 (0) 203 727 1000

Ben Brewerton

Genevieve Ryan

transglobeenergy@fticonsulting.com

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¹ This percentage shareholding is based on a shares in issue figure of 72,205,369 common shares of TransGlobe.

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