HARVARD BIOSCIENCE INC — Director's Dealing 2007

May 3, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HARVARD BIOSCIENCE INC (HBIO)
CIK: 0001123494
Period of Report: 2007-05-01

Reporting Person: NORIGE MARK A (President, Harvard Apparatus)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-01	Stock Option (right to buy)	$5.57	A	75000	Acquired	2017-05-01	Common Stock, par value $0.01 per share (75000)	Direct

Footnotes

F1: The shares vest in four equal installments on each of the first four anniversaries of January 1, 2007.