LEASE EXTENSION AGREEMENT
This agreement is dated October 12, 1999 for reference purposes and is an
additional modification to the current Lease dated November 30, 1990 between
▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇ and ▇▇▇▇ ▇▇▇▇▇▇▇▇▇ (LESSOR) and Urnotech Calypte Biomedical
Corporation (LESSEE) for the property known as ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇,
▇▇▇▇▇▇▇▇▇▇:
1) LEASE EXTENDED THROUGH AUGUST 2000. The Lease is hereby extended five months
through August 31, 2000. The lease rate for this extension period will remain
$27,000 per month.
2) HOLDING OVER. If LESSEE remains in possession of the premises per Paragraph
26 (Holding Over), then the agreed monthly rent is $29,000.
SIGNED: /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇ G.P. 10/12/99
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FOR LESSOR TITLE DATE
SIGNED: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇ President 10/28/99
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FOR LESSOR TITLE DATE