Item 8.01. Other Events.

Subsequent to the termination of his employment by Enzo Biochem, Inc., Shahram K. Rabbani ("Mr. Rabbani"), the Secretary and Treasurer and a member of the board of directors of Enzo Biochem, Inc. (the "Company"), and the former President of Enzo Clinical Labs, Inc., a wholly owned subsidiary of the Company ("Clinical Labs"), submitted on April 30, 2009, a demand for arbitration and related statement of claim to the American Arbitration Association. The statement of claim names the Company, Dr. Elazar Rabbani, the Chairman of the Board and Chief Executive Officer of the Company, and Barry W. Weiner, the President and Chief Operating Officer and a member of the board of directors of the Company, as respondents and alleges, among other things, claims relating to the termination of Mr. Rabbani's employment as President of Clinical Labs.

The statement of claim purports to allege claims for breach of contract against the Company, unlawful retaliation under Sarbanes-Oxley against the Company, Dr. Rabbani and Mr. Weiner, and tortious interference with contract against Dr. Rabbani and Weiner. Mr. Rabbani seeks damages of no less than $10 million including attorneys' fees and costs.

The Company believes the claims are without merit and intends to defend vigorously against them.

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