**Certification***

** **

** **

|                                        |                                                                                                                                                                                           |                                                   |
|---------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------|
| Dated:                      August 14, 2007 | By:                                                                                                                                                                                  | /s/ Michael                              Fonstein |
|                                        | Michael                              FonsteinChief                              Executive Officer (Principal                              Executive                              Officer) |

|                                              |                                                                                                                                                                                                                  |                                                             |
|---------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------|
| Dated:                            August 14, 2007 | By:                                                                                                                                                                                                         | /s/ John                                    A. Marhofer, Jr |
|                                              | John                                    A. Marhofer, Jr.Chief                                    Financial Officer(Principal                                    Financial                                    Officer) |

  

| This                certification accompanies the Periodic Report to which it relates,                is not                deemed filed with the Securities and Exchange Commission and is not                to be                incorporated by reference into any filing of Cleveland BioLabs, Inc.                under                the Securities Act of 1933, as amended, or the Securities Exchange                Act of                1934, as amended (whether made before or after the date of the Periodic                Report), irrespective of any general incorporation language contained                in                such filing. |
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