ABBOTT LABORATORIES — Director's Dealing 2008

May 6, 2008

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: ABBOTT LABORATORIES (ABT)
CIK: 0000001800
Period of Report: 2008-05-01

Reporting Person: Mason Heather L (Senior Vice President)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common shares without par value	90900	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Option (right to buy)	$53.24	2010-02-10	Common shares (878)		Direct
Option (right to buy)	$55.66	2013-02-13	Common shares (7434)		Direct

Footnotes

F1: Employee stock options granted pursuant to the Abbott Laboratories 1996 Incentive Stock Program, including a replacement option feature, in a transaction exempt from Section 16 under Rule 16b-3.