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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
911649	Strategic Diagnostics Inc	SDIX	Miscellaneous Chemical Products (2890)	561581761

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1349005	R Steven Becker	300 Crescent Court, Suite 1111 Dallas TX 75201		Yes	No	Yes	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	Acquisiton	2010-05-18	2,500	$0.00	42,035	No	4	A	Direct
Common Stock	Acquisiton	2010-05-18	6,942	$1.59	2,193,778	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2010-05-19	102,923	$1.65	2,296,701	No	4	P	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	A	Direct
No	4	P	Indirect	See Footnote
No	4	P	Indirect	See Footnote

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (right to buy)	Acquisiton	2010-05-18	10,000	$0.00	10,000	$1.84

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
10,000		2017-05-18	No	4	A	Direct

Footnotes

Represents shares directly held by SRB Greenway Opportunity Fund, (QP), L.P. and SRB Greenway Opportunity Fund, L.P., which Mr. Becker may be deemed to beneficially own as he is a co-managing member of BC Advisors, LLC which is the general partner of SRB Management, L.P. (of which Mr. Becker is a limited partner), and SRB Management, L.P. is the general partner of, and investment manager for, each of SRB Greenway Opportunity Fund, (QP), L.P. and SRB Greenway Opportunity Fund, L.P. Mr. Becker disclaims beneficial ownership in such shares of common stock, except to the extent of his pecuniary interest therein.
5,000 options vest on May 18, 2011 and the remaining 5,000 options vest on May 18, 2012.