TWIN DISC INC — Director's Dealing 2008

Oct 21, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TWIN DISC INC (TWIN)
CIK: 0000100378
Period of Report: 2008-10-17

Reporting Person: MELLOWES JOHN A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-10-17	Common Stock	A	1200	—	Acquired	10000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-10-17	Stock Options	$10.01	A	1200	Acquired	2018-10-17	Common Stock (1200)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options	$4.9694	2009-07-30	Common Stock (4000)	4000	Direct
Stock Options	$4.4532	2010-08-04	Common Stock (4000)	4000	Direct
Stock Options	$3.7625	2011-08-13	Common Stock (4000)	4000	Direct
Stock Options	$3.2525	2012-10-18	Common Stock (4000)	4000	Direct
Stock Options	$6.225	2014-10-15	Common Stock (1200)	1200	Direct
Stock Options	$10.1125	2015-10-21	Common Stock (1200)	1200	Direct
Stock Options	$18.005	2016-10-20	Common Stock (1200)	1200	Direct
Stock Options	$27.545	2017-10-19	Common Stock (1200)	1200	Direct

Footnotes

F1: Award of Restricted Stock Pursuant to 2004 Stock Incentive Plan for Non-Employee Directors. Stock Grant will be vested in one-third increments annually until fully vested after three years.