Nov 14 (Reuters) - Gran Tierra Energy Inc GTE.TO
* Gran Tierra Energy - on Nov. 10, 2017, co, co's unit, Bank of Nova Scotia, lenders party entered into ninth amendment to credit agreement - SEC filing
* Gran Tierra Energy Inc - ninth amendment amends credit agreement, dated as of September 18, 2015
* Gran Tierra Energy Inc - ninth amendment extends revolving credit maturity date from October 1, 2018 to November 10, 2020
* Gran Tierra Energy Inc - ninth amendment to credit agreement reaffirms borrowing base as $300 million