GlobeNewswire Inc | Dec 24, 2020 02:00AM EST

December 24, 2020

AIM & TSX: "TGL" & NASDAQ: "TGA"

CALGARY, Alberta, Dec. 24, 2020 (GLOBE NEWSWIRE) -- TransGlobe Energy Corporation (TransGlobe or the Company) announces that it was notified on December 22, 2020 that Steven Sinclair acquired common shares as follows.

Number Number of % of of Common Company'sPDMR Date of Common Price Shares held issued Acquisition Shares following share Acquired the capital transaction heldSteven December 25,000 CAD 75,000 0.103% Sinclair 22, 2020 $1.1374

Notification of a Transaction pursuant to Article 19(3) of Regulation (EU) No. 596/2014

1 Details of PDMR a) Name Steven Sinclair2 Reason for the notification a) Position / status Non-Executive Directorb) Initial notification / amendment Initial notification3 Details of the issuer a) Name TransGlobe Energy Corporationb) Legal Entity Identifier 549300QMNS6BDY8UUB034 Details of the transaction(s) a) Description of the financial Common Shares instrument ISIN for TransGlobe Energy Corporationb) Identification code Ordinary Shares: CA8936621066c) Nature of the transaction Acquisition of Sharesd) Price(s) and volume(s) Price ($CAD) Volume $1.1374 25,000e) Aggregated information - Aggregated volume - 25,000 common shares Aggregated price $1.1374 CAD per sharef) Date of the transaction December 22, 2020g) Place of the transaction TSX

About TransGlobe

TransGlobe Energy Corporation is a cash flow focused oil and gas exploration and development company whose current activities are concentrated in the Arab Republic of Egypt and Canada. TransGlobes common shares trade on the Toronto Stock Exchange and the AIM market of the London Stock Exchange under the symbol TGL and on the NASDAQ Exchange under the symbol TGA.

For Further information, please contact:

+1 403 264 9888TransGlobe Energy Corporation investor.relations@trans-globe.comRandy Neely, President and CEO http://www.trans-globe.comEddie Ok, CFO or via Tailwind Associates or FTI Consulting Tailwind Associates (Investor Relations) +1 403 618 8035Darren Engels darren@tailwindassociates.ca http://www.tailwindassociates.ca FTI Consulting (Financial PR) +44(0) 20 3727 1000Ben Brewerton transglobeenergy@fticonsulting.comGenevieve Ryan Canaccord Genuity (Nomad & Joint-Broker)Henry Fitzgerald-O?Connor +44(0) 20 7523 8000James Asensio Shore Capital (Joint Broker)Jerry Keen +44(0) 20 7408 409Toby Gibbs