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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
21510	Coherent Inc	COHR	Laboratory Analytical Instruments (3826)	941622541

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1234301	John Ambroseo	P.o. Box 54980 Santa Clara CA 95056-0980	Pres. And Ceo	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	Acquisiton	2013-01-30	20,000	$32.95	157,250	No	4	M	Indirect	Family Trust
Common Stock	Disposition	2013-01-30	20,000	$55.53	137,250	No	4	S	Indirect	Family Trust
Common Stock	Acquisiton	2013-01-31	101,853	$32.95	239,103	No	4	M	Indirect	Family Trust
Common Stock	Disposition	2013-01-31	101,853	$55.55	137,250	No	4	S	Indirect	Family Trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Indirect	Family Trust
No	4	S	Indirect	Family Trust
No	4	M	Indirect	Family Trust
No	4	S	Indirect	Family Trust

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non Qualified Stock Option (right to buy)	Disposition	2013-01-30	20,000	$0.00	20,000	$32.95
Common Stock	Non Qualified Stock Option (right to buy)	Disposition	2013-01-31	101,853	$0.00	101,853	$32.95

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
351,051	2009-04-15	2013-10-03	No	4	M	Direct
249,198	2009-04-15	2009-04-15	No	4	M	Direct

Footnotes

Represents the weighted average sales price for the shares. The range of prices for such sales was $55.50 to $55.82. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.
Represents the weighted average sales price for the shares. The range of prices for such sales was $55.50 to $55.91. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.
These shares have previously been listed as directly owned by Mr. Ambroseo, however beginning September 2010 newly issued shares have been deposited by him with a family trust.