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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
810136	Photronics Inc	PLAB	Semiconductors & Related Devices (3674)	060854886

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
900574	S Constantine Macricostas	15 Secor Road Brookfield CT 06804	Ceo & President	Yes	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2010-04-07	300	$5.41	1,917,400	No	4	S	Indirect	Owned By Limited Partnership
Common Stock	Disposition	2010-04-07	1,000	$5.41	1,916,400	No	4	S	Indirect	Owned By Limited Partnership
Common Stock	Disposition	2010-04-07	1,900	$5.44	1,914,500	No	4	S	Indirect	Owned By Limited Partnership
Common Stock	Disposition	2010-04-07	30,500	$5.40	1,884,000	No	4	S	Indirect	Owned By Limited Partnership
Common Stock	Disposition	2010-04-07	10,900	$5.41	1,873,100	No	4	S	Indirect	Owned By Limited Partnership
Common Stock	Disposition	2010-04-07	1,001	$5.43	1,872,099	No	4	S	Indirect	Owned By Limited Partnership
Common Stock	Disposition	2010-04-07	4,399	$5.42	1,867,700	No	4	S	Indirect	Owned By Limited Partnership
Common Stock	Disposition	2010-04-08	17,600	$5.40	1,850,100	No	4	S	Indirect	Owned By Limited Partnership
Common Stock	Disposition	2010-04-08	11,200	$5.41	1,838,900	No	4	S	Indirect	Owned By Limited Partnership
Common Stock	Disposition	2010-04-08	900	$5.42	1,838,000	No	4	S	Indirect	Owned By Limited Partnership
Common Stock	Disposition	2010-04-08	16,900	$5.42	1,821,100	No	4	S	Indirect	Owned By Limited Partnership
Common Stock	Disposition	2010-04-08	3,100	$5.43	1,818,000	No	4	S	Indirect	Owned By Limited Partnership
Common Stock	Disposition	2010-04-08	300	$5.44	1,817,700	No	4	S	Indirect	Owned By Limited Partnership

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	Owned By Limited Partnership
No	4	S	Indirect	Owned By Limited Partnership
No	4	S	Indirect	Owned By Limited Partnership
No	4	S	Indirect	Owned By Limited Partnership
No	4	S	Indirect	Owned By Limited Partnership
No	4	S	Indirect	Owned By Limited Partnership
No	4	S	Indirect	Owned By Limited Partnership
No	4	S	Indirect	Owned By Limited Partnership
No	4	S	Indirect	Owned By Limited Partnership
No	4	S	Indirect	Owned By Limited Partnership
No	4	S	Indirect	Owned By Limited Partnership
No	4	S	Indirect	Owned By Limited Partnership
No	4	S	Indirect	Owned By Limited Partnership

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	153,746	Direct
Common Stock	50,618	Indirect	Owned By Corporation
Common Stock	34,000	Indirect	Owned By Wife

Footnotes

Represents all of the shares held by a limited partnership of which Mr. Macricostas owns limited partnership interests. Mr. Macricostas disclaims beneficial ownership of those shares not represented by his limited partnership interests.
The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on July 17, 2009.
Represents all of the shares held by a corporation of which Mr. Macricostas owns a signficant interest. Mr. Macricostas disclaims beneficial ownership of those shares not represented by his ownership interest. This corporation serves as the general partner of the limited partnership referred to above.
Mr. Macricostas disclaims beneficial ownership of these shares.