EASTERN CO — Director's Dealing 2007

Aug 2, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EASTERN CO (EML)
CIK: 0000031107
Period of Report: 2007-08-01

Reporting Person: ROBINSON DAVID C (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-08-01	Common Stock	M	33750	$6.61	Acquired	89705	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-08-01	Non-qualified stock options	$6.61	M	33750	Disposed	2007-10-17	Common Stock (33750)	Direct
1998-09-09	Non-qualified stock options	$9.33	A	0	Acquired	2008-10-09	Common Stock (22500)	Direct
1999-12-15	Non-qualified stock options	$10.17	A	0	Acquired	2010-01-15	Common Stock (18750)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	15187	Indirect

Footnotes

F1: 33,750 shares were exercised on August 1, 2007 at $6.61 per share. The original option on 9/17/07 was for 15,000 shares at
$14.875 per share. As a result of a 3-for-2 stock split effective 5/28/1999 and a 3-for-2 stock split effective 10/18/2006,
this option is now an option for 33,750 shares at $6.61 per share.

F2: The original option on 9/17/1997 was for 15,000 shares at $14.875 per share. As a result of a 3-for-2 stock split effective
5/28/1999 and a 3-for-2 stock split effective 10/18/2006, this option is now an option for 33,750 shares at $6.61 per share.
On August 1, 2007, 33,750 shares were exercised at $6.61 leaving a zero balance.

F3: The original option on 9/9/1998 was for 10,000 shares at $21.00 per share. As a result of a 3-for-2 stock split effective
5/19/1999 and a 3-for-2 stock split effective 10/18/2006, this option is now 22,500 shares at $9.33 per share.

F4: The original 12/15/1999 option was for 12,500 shares at $15.25 per share. As a result of a 3-for-2 stock split effective
10/18/2006 this option is now 18,750 shares at $10.17 per share.