EASTERN CO — Director's Dealing 2006

Mar 30, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EASTERN CO (EML)
CIK: 0000031107
Period of Report: 2006-03-29

Reporting Person: ROBINSON DAVID C (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-03-29	Common Stock	A	298	$20.62	Acquired	36250	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
1997-09-17	Non-qualified stock options	$9.92	A	0	Acquired	2007-10-17	Common Stock (22500)	Direct
1998-09-09	Non-qualified stock options	$14.00	A	0	Acquired	2008-10-09	Common Stock (15000)	Direct
1999-12-15	Non-qualified stock options	$15.25	A	0	Acquired	2010-01-15	Common Stock (12500)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	10125	Indirect

Footnotes

F1: 298 shares acquired under The Eastern Company Director's Fee Program pursuant to Rule 16b-3(d).

F2: Original 9/17/1997 option was for 15,000 shares at $14.875 per share. As a result of a 3-for-2 stock split effective
5/28/1999 this option became an option for 22,500 shares at $9.92 per share.

F3: Original 9/9/1998 option was for 10,000 shares at $21.00 per share. As a result of a 3-for-2 stock split effective 5/28/1999
this option is now 15,000 shares at $14.00 per share.