The following table provides a summary of the activity of the Company's unsecured, convertible, promissory notes:

	Principal Balance 1/1/2022		New Notes		Notes assigned or exchanged			Notes converted			Principal Balance 3/31/2022		Less: Discount Balance			Net Principal Balance 3/31/2022
BD1 Notes (related party)	$	9,900,000	$	—	$	(2,000,000	)	$	(7,900,000	)	$	—	$	—		$	—
Nanyang Note		500,000		—		1,000,000			(600,000	)		900,000		(190,442	)		709,558
Fleur Note		—		—		1,000,000			(700,000	)		300,000		(63,505	)		236,495
	$	10,400,000	$	—	$	—		$	(9,200,000	)	$	1,200,000	$	(253,947	)	$	946,053

On January 3, 2022, BD 1 Investment Holding, LLC (“BD1”) sold and assigned $1,000,000 of its convertible notes (“BD1 Convertible Notes”) to Fleur Capital Pte Ltd (“Fleur”). On January 21, 2022, BD1 sold and assigned $1,000,000 of its convertible notes to Nanyang Investment Management Pte Ltd (“Nanyang”). The aggregate remaining principal balance held by BD1 after these assignments was $7,900,000. On February 1, 2022, BD1 converted its $7,900,000 aggregate outstanding

principal amount into 15,800,000 shares of common stock. The remaining discount of approximately $1,721,000 was charged to interest expense upon conversion.

On January 21, 2022, as discussed above, BD1 assigned $1,000,000 of the BD1 Convertible Notes to Nanyang. This note does not bear any interest and will mature on December 18, 2025. Nanyang has the right, at any time until the note is fully paid, to convert any outstanding and unpaid principal into share of common stock at a fixed conversion price equal to $0.50 per share. Shares of common stock may not be issued pursuant to this note if, after giving effect to the conversion or issuance, Nanyang, together with its affiliates, would beneficially own in excess of 4.99% of the outstanding shares of the Company’s common stock.

On February 2, 2022, Nanyang converted $600,000 of their convertible notes into 1,200,000 shares of common stock. The associated discount on the converted portion of the notes of approximately $133,000 was charged to interest expense. The discount on the remaining principal will be charged to interest expense, ratably, over the life of the note.

On January 21, 2022, as discussed above, BD1 assigned $1,000,000 of the BD1 Convertible Notes to Fleur. This note does not bear any interest and will mature on December 18, 2025. Fleur has the right, at any time until the note is fully paid, to convert any outstanding and unpaid principal into share of common stock at a fixed conversion price equal to $0.50 per share. Shares of common stock may not be issued pursuant to this note if, after giving effect to the conversion or issuance, Fleur, together with its affiliates, would beneficially own in excess of 4.99% of the outstanding shares of the Company’s common stock.

On February 2, 2022, Fleur converted $700,000 of their convertible notes into 1,400,000 shares of common stock. The associated discount on the converted portion of the notes of approximately $155,000 was charged to interest expense. The discount on the remaining principal will be charged to interest expense, ratably, over the life of the note.