EASTERN CO — Director's Dealing 2009

Dec 16, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EASTERN CO (EML)
CIK: 0000031107
Period of Report: 2009-12-15

Reporting Person: LEGANZA LEONARD F (Director, Chairman, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-12-15	Common Stock	M	19671	$10.17	Acquired	110124	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2009-12-15	Qualified employee stock option	$10.17	M	19671	Disposed	1999-12-15	Common Stock (19671)	Direct
1999-12-15	Non-qualified employee stock option	$10.17	D	62829	Disposed	1999-12-15	Common Stock (62829)	Direct
2000-07-19	Qualified employee stock option	$9.50	A	0	Acquired	2000-07-19	Common Stock (48750)	Direct

Footnotes

F1: 19,671 shares were exercised on December 15, 2009 at $10.17 per share. Original 12/15/1999 option was for 13,114 shares at
$15.25 per share. As a result of a 3-for-2 stock split effective 10/18/2006, this option is now 19,671 shares at $10.17 per
share.

F2: Original 12/15/1999 option was for 13,114 shares at $15.25 per share. As a result of a 3-for-2 stock split effective
10/18/2006, this option is now 19,671 shares at $10.17 per share. On December 15, 2009, 19,671 shares were exercised at
$10.17 per share, leaving a zero balance.

F3: Original 12/15/1999 option was for 41,886 shares at $15.25 per share. As a result of a 3-for-2 stock split effective
10/18/2006, this option is now 62,829 shares at $10.17 per share. On December 15, 2009 these options lapsed.

F4: The original 7/19/2000 option was for 32,500 shares at $14.25 per share. 7,017 shares were vested on 1/1/2001; 7,017 shares
were vested on 1/1/2002; 7,017 shares were vested on 1/1/2003; 7,017 shares were vested on 1/1/2004 and the remaining 4,432
shares vested on 1/1/2005. As a result of a 3-for2 stock split effective 10/18/2006, this option is now 48,750 shares at
$9.50 per share.