EASTERN CO — Director's Dealing 2008

Oct 1, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EASTERN CO (EML)
CIK: 0000031107
Period of Report: 2008-09-29

Reporting Person: ROBINSON DAVID C (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-09-29	Common Stock	F	15795	$13.29	Disposed	68535	Direct
2008-09-29	Common Stock	M	22500	$9.33	Acquired	91035	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-09-29	Non-qualified stock options	$9.33	M	22500	Disposed	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: 15,795 shares of previously acquired Eastern Company stock were surrendered to Eastern Treasury at the closing price on
September 29, 2008 of $13.29 per share, for the purchase of stock options.

F2: 22,500 shares were exercised on September 29, 2008 at $9.33 per share. 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.

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. On September
29, 2008, 22,500 shares were exercised at $9.33 per share, leaving a zero balance.

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.