TWIN DISC INC — Director's Dealing 2005

Aug 9, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TWIN DISC INC (TWIN)
CIK: 0000100378
Period of Report: 2005-08-05

Reporting Person: BATTEN MICHAEL E (CHAIRMAN/CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-08-05	COMMON STOCK	M	5000	$24.5	Acquired	83113	Direct
2005-08-05	COMMON STOCK	S	3000	$28	Disposed	80113	Direct
2005-08-05	COMMON STOCK	S	2000	$28.0084	Disposed	78113	Direct
2005-08-08	COMMON STOCK	M	3000	$19.5938	Acquired	81113	Direct
2005-08-08	COMMON STOCK	S	3000	$28	Disposed	78113	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-08-05	STOCK OPTIONS	$24.5	M	5000	Disposed	2005-08-14	COMMON STOCK (5000)	Direct
2005-08-08	STOCK OPTIONS	$19.5938	M	3000	Disposed	2005-08-04	COMMON STOCK (3000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
COMMON STOCK	258.1013	Indirect
COMMON STOCK	2600	Indirect
COMMON STOCK	538431	Indirect

Footnotes

F1: Stock owned by spouse, Gloria S. Batten

F2: As Trustee for Trusts for members of immediate family.