 CALGARY, Alberta, Sept. 01, 2021 GLOBE NEWSWIRE -- Gran Tierra Energy Inc. Gran Tierra NYSE American:GTE TSX:GTE LSE:GTE, is pleased to announce the appointment of Alison Redford to the Board of Directors of Gran Tierra as an independent director, effective September 1, 2021. Ms. Redford serves as an advisor to national governments and ministries in emerging economies on regulatory reform to promote transparency and investor confidence. She provides independent advice on the creation of regulatory regimes related to climate, social and governance sustainability most recently in Pakistan, Afghanistan, South Sudan and Guyana. Separately, Ms. Redford also serves as a strategic advisor to public companies operating in volatile political climates to assess risk and ensure regulatory compliance, particularly as it relates to Extractive Industries Transparency Initiatives and Community Benefits Agreements for affected Indigenous people. 