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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
350832	American Pacific Corp	APFC	Industrial Inorganic Chemicals (2810)	596490478

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1531867	Cornwall Capital Management Lp	One Rockefeller Plaza 24Th Floor New York NY 10020	No	No	Yes	No
1551639	Cornwall Gp, Llc	One Rockefeller Plaza, 24Th Floor New York NY 10020	No	No	Yes	No
1551640	Cornwall Master Lp	One Rockefeller Plaza, 24Th Floor New York NY 10020	No	No	Yes	No
1551641	James Mai	One Rockefeller Plaza, 24Th Floor New York NY 10020	No	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, Par Value $.10 Per Share ("Common Stock")	Acquisiton	2012-10-23	4,900	$12.20	1,007,081	No	4	P	Indirect	See Footnote.
Common Stock	Acquisiton	2012-10-24	2,100	$12.49	1,009,181	No	4	P	Indirect	See Footnote.
Common Stock	Acquisiton	2012-10-25	7,300	$12.42	1,016,481	No	4	P	Indirect	See Footnote.

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

Footnotes

The securities reported herein are held directly by Cornwall Master LP, an exempted limited partnership organized under the laws of the Cayman Islands ("Cornwall Master"). Cornwall Capital Management LP, a Delaware limited partnership ("Cornwall Management"), serves as investment manager to Cornwall Master and Cornwall GP, LLC, a Delaware limited liability company (the "General Partner") serves as the general partner of Cornwall Master. James Mai ("Mr. Mai") is the principal and Chief Investment Officer of Cornwall Management and the managing member of the General Partner. Each of the reporting persons disclaims beneficial ownership of the securities to which this Form 4 relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except as to such extent of the reporting person's pecuniary interest in such securities.