CONVERTIBLE SENIOR NOTES (Tables)

12 Months Ended

Dec. 31, 2011

CONVERTIBLE SENIOR NOTES

Schedule of key assumptions used to establish the value of the 2013 Notes

   The assumptions as of December 31, 2011 were:

	2013 Notes
Average risk-free rate		0.19	%
Volatility of BioSante common stock		77.4	%
Discount rate for principal payments in cash		18.5	%

        The assumptions as of December 31, 2010 were:

	2013 Notes			2011 Notes
Average risk-free rate		0.82	%		0.29	%
Volatility of BioSante common stock		78.7	%		61.0	%
Discount rate for principal payments in cash		17.0	%		17.0	%

Schedule of maturities of required principal payments by year related to the convertible senior notes

   The following table represents the scheduled maturities of required principal payments by year related to the convertible senior notes at December 31, 2011:

2012	$	—
2013		20,782,000
Total	$	20,782,000