RELOCATION/SIGN-ON BONUS REPAYMENT AGREEMENT

Exhibit 10.4

RELOCATION/SIGN-ON BONUS REPAYMENT AGREEMENT

I, Xxxxxx Xxxxxx, agree that I will reimburse Nabi Biopharmaceuticals for relocation expenses and/or a sign-on bonus paid on my behalf, if I voluntarily terminate my employment with Nabi Biopharmaceuticals or I am terminated for cause within twelve (12) months after my start date. The following pro-rated repayment schedule will apply:

1st Month		92%		7th Month		44%
2nd Month		84%		8th Month		36%
3rd Month		76%		9th Month		28%
4th Month		68%		10th Month		20%
5th Month		60%		11th Month		12%
6th Month		52%		12th Month		4%

/s/ Xxxxxx Xxxxxx		4/29/06
Employee Signature		Date
/s/ Xxxxxx X. XxXxxx		Xxxxx 00, 0000
XX Representative Signature		Date