Vertigro Algae Technologies LLC
Exhibit
4.23
Vertigro
Algae Technologies LLC
Amendment to the Vertigro
Algae Technologies LLC Technology License Agreement (the VAT
License)
Upon
review of the VAT License it was noted that per 1.10 of the definitions that the
effective date of the VAT License is March 4, 2008 which is an error. By way of
this amendment the parties agree to replace 1.10 of the definitions with the
following:
|
|
1.10
|
“Effective
Date” shall mean May 5, 2008, which is the day on which this License
Agreement shall begin effect.
|
Provided
that you are in agreement with the change please so indicate by signing below
and upon acceptance by the last party to execute this amendment the change shall
become effective.
| Vertigro Algae Technologies, LLC. | Valcent Products, Inc. | ||||
| Signed: |
/s/
▇▇▇▇▇ ▇▇▇▇▇▇
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Signed: |
/s/
▇▇▇▇▇▇ ▇▇▇
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||
| Name: |
▇▇▇▇▇
▇▇▇▇▇▇
|
Name: |
F.
▇▇▇▇▇▇ ▇▇▇
|
||
| Title: |
Director
|
Title: |
Director
and CFO
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||
| Pagic LP | West Peak Ventures of Canada | ||||
| Signed: | /s/ ▇▇▇▇▇ ▇▇▇▇▇▇ | Signed: | /s/ ▇▇▇ ▇▇▇▇▇ | ||
| Name: | ▇▇▇▇▇ ▇ ▇▇▇▇▇▇ | Name: | ▇▇▇ ▇▇▇▇▇ | ||
| Title: | Managing Partner | Title: | President | ||
| Date: | Date: | ||||