BRIEF-Gran Tierra Energy issues and sells additional $15 mln
April 22 (Reuters) - Gran Tierra Energy Inc
* On april 22, issued and sold an additional $15 million in aggregate principal amount of its 5.00% convertible senior notes due 2021
* Additional notes bear interest at a rate of 5.00% per year
* Says The Additional Notes Mature On April 1, 2021 - Sec filing Source text: (1.usa.gov/1WLfBS5) Further company coverage: (Bengaluru Newsroom: +1-646-223-8780)
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