NOTE

– CONVERTIBLE NOTES - RELATED PARTY

Convertible notes - related party consists of the following at:

	March 31, 2019		December 31, 2018
Convertible note due to the spouse of Bill Chaaban, President of CEN, which bears an interest at 12% per annum. This note is convertible to 867,576 common shares with a maturity date of August 17, 2020.	$	1,388,122	$	1,388,122

Convertible notes in default due to Harold Aubrey de Lavenu, a Director of CEN, bearing interest at 5% per annum. These notes are convertible to 548,980 common shares with maturity dates of March 31, 2019.		878,368		878,368

Convertible note in default due to Alex Tarrabain, a Director of CEN, bearing interest at 5% per annum. This note is convertible to 30,000 common shares with a maturity date of March 31, 2019.		48,000		48,000

Convertible notes due to Joseph Byrne, CEO of CEN, bearing interest at 12% per annum. This note is convertible to 140,120 common shares with a maturity date of August 17, 2020.		224,191		224,191

Total convertible notes payable - related party		2,538,681		2,538,681
Less current portion		926,368		926,368

Convertible notes payable - related party, less current portion	$	1,612,313	$	1,612,313

Attributable related party accrued interest was

$647,984

and

$588,854

as of

March 31, 2019

and

December 31, 2018,

respectively. Interest expense attributable to related party convertible notes was

$59,129

and

$61,244

for the

three

-months ended

March 31, 2019

and

2018,

respectively.

These notes

may

be converted at the option of the note holder at any time after registration of CEN’s common stock upon written notice by the note holder. These notes are convertible into a total of

1,586,676

common shares.

As of

May 20, 2019,

we are currently in default of

$926,368

of convertible notes payable, which are convertible into

578,980

shares of common stock.