FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

ROOKER C KEITH 		2. Issuer Name and Ticker or Trading Symbol

AMERICAN PACIFIC CORP [ APFC ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
_____ Officer (give title below)      _____ Other (specify below)
(Last)          (First)          (Middle)

C/O 3883 HOWARD HUGHES PKWY, SUITE 700 		3. Date of Earliest Transaction (MM/DD/YYYY)

2/13/2013
(Street)

LAS VEGAS, NV 89169
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   2/13/2013     M    5000   A $9.44   9375   (1) D    
Common Stock   2/13/2013     M    795   A $8.30   10170   (1) D    
Common Stock   2/13/2013     S    5795   D $19.5376   4375   (1) D    
Common Stock   2/14/2013     M    4205   A $8.30   8580   (1) D    
Common Stock   2/14/2013     S    4205   D $19.7203   4375   (1) D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy)   $9.44   2/13/2013     M         5000      (2) 11/22/2013   Common Stock   5000   $0.00   0   D    
Stock Option (Right to Buy)   $8.30   2/13/2013     M         795    11/22/2004   11/22/2014   Common Stock   795   $0.00   0   D    
Stock Option (Right to Buy)   $8.30   2/14/2013     M         4205      (3) 11/22/2014   Common Stock   4205   $0.00   0   D    
Stock Option (Right to Buy)   $16.93                      (4) 11/22/2017   Common Stock   3571     3571   D    
Stock Option (Right to Buy(   $11.25                      (5) 11/3/2018   Common Stock   5000     5000   D    
Stock Option (Right to Buy)   $7.15                      (6) 11/10/2019   Common Stock   5000     5000   D    

Explanation of Responses:
( 1)  Of the amount of shares beneficially owned, 1,666 shares represent unvested awards of restricted stock that vest in two equal annual installments beginning on 12/13/2013, and 1,875 shares represent unvested awards of restricted stock that vest in three equal annual installments beginning on 12/11/2013.
( 2)  The option vested in two equal annual installments beginning on 11/22/2003.
( 3)  Of the shares being exercised, 1,705 vested on 11/22/2004 and 2,500 shares vested on 11/22/2005.
( 4)  The option vested in two equal annual installments beginning on 11/22/2008.
( 5)  The option vested in three equal annual installments beginning on 11/3/2009.
( 6)  The option vested in three equal annual installments beginning on 11/10/2010.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
ROOKER C KEITH
C/O 3883 HOWARD HUGHES PKWY
SUITE 700
LAS VEGAS, NV 89169 		X



Signatures
C. Keith Rooker 2/14/2013
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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