NETWORK-1 TECHNOLOGIES, INC. — Director's Dealing 2006

Mar 17, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NETWORK 1 SECURITY SOLUTIONS INC (NSSI-OTC)
CIK: 0001065078
Period of Report: 2006-03-16

Reporting Person: HOROWITZ COREY M (Director, CEO and Chairman, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-03-16	Common Stock, $.01 par value per share	M	85220	—	Acquired	504023	Direct
2006-03-16	Common Stock, $.01 par value per share	S	85220	—	Disposed	418803	Direct

Footnotes

F1: On March 16, 2006, Mr. Horowitz exercised warrants to purchase 85,220 shares (exempt pursuant to Rule 16b-3) and sold all
such shares.