CSP INC /MA/ — Director's Dealing 2007

May 14, 2007

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: CSP INC /MA/ (CSPI)
CIK: 0000356037
Period of Report: 2007-05-08

Reporting Person: Stellato Robert A (Chief Accounting Officer)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Common Stock	$10.87	2017-03-04	Common Stock (3000)		Direct

Footnotes

F1: Incentive Stock Option