ABBOTT LABORATORIES — Director's Dealing 2005

May 11, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ABBOTT LABORATORIES (ABT)
CIK: 0000001800
Period of Report: 2005-05-09

Reporting Person: NEMMERS JOSEPH M (Senior Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-05-09	Common shares without par value	M	11381	$33.2314	Acquired	74885	Direct
2005-05-09	Common shares without par value	F	9162	$49.02	Disposed	65723	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-05-09	Option (right to buy)	$33.2314	M	11381	Disposed	2013-02-13	common shares (11381)	Direct
2005-05-09	Option (right to buy)	$49.02	A	9162	Acquired	2013-02-13	common shares (9162)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common shares without par value	10642	Indirect
Common shares without par value	340	Indirect
Common shares without par value	340	Indirect
Common shares without par value	279	Indirect
Common shares without par value	285	Indirect

Footnotes

F1: Balance in the Abbott Laboratories Stock Retirement Trust as of May 9, 2005.

F2: Reporting person disclaims beneficial ownership of all securities held by his sons.

F3: Includes shares acquired under the Abbott Laboratories Dividend Reinvestment and Stock Purchase Plan in transactions exempt from Section 16 under Rule 16(a)-11.

F4: Employee stock option granted pursuant to the Abbott Laboratories 1996 Incentive Stock Program, including a replacement option feature, in a transaction exempt from Section 16(b) under Rule 16b-3.