Ownership Submission
FORM 5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Form 3 Holdings Reported
Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
TANG ANTHONY M
2. Issuer Name and Ticker or Trading Symbol
CATHAY GENERAL BANCORP [CATY]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Senior EVP
(Last)
(First)
(Middle)

777 NORTH BROADWAY
3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2004
(Street)


LOS ANGELES, CA 90012
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Reporting
(check applicable line)

_X_ Form Filed by One Reporting Person
___ Form Filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Amount (A) or (D) Price
Common Stock             350,584 (1) D  
Common Stock 12/31/2004   J(2) 793 (1) A $ 31.21 (1) 81,489 (1) I By ESOP
Common Stock             80,322 (1) (3) I As custodian for children
Common Stock 01/21/2004   J(4) 638.128 (1) A $ 26.352 (1) 242,547.218 (1) I By spouse
Common Stock 04/20/2004   J(4) 531.528 (1) A $ 31.72 (1) 242,547.218 (1) I By spouse
Common Stock 07/20/2004   J(4) 546.272 (1) A $ 30.933 (1) 242,547.218 (1) I By spouse
Common Stock 10/22/2004   J(4) 607.35 A $ 35.852 242,547.218 (1) I By spouse

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. 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. SEC 2270 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option $ 10.625 (1)           01/20/2001(5) 01/20/2010 Common Stock
23,000 (1)
  22,320
D
 
Stock Option $ 15.0475 (1)           01/18/2002(6) 01/18/2011 Common Stock
26,360 (1)
  49,360
D
 
Stock Option $ 16.275 (1)           02/21/2003(7) 02/21/2012 Common Stock
26,000 (1)
  75,360
D
 
Stock Option $ 19.925 (1)           01/16/2004(8) 01/16/2013 Common Stock
47,500 (1)
  122,860
D
 
Stock Option $ 24.8 (1)           11/20/2004(9) 11/20/2013 Common Stock
105,140 (1)
  228,000
D
 

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
TANG ANTHONY M
777 NORTH BROADWAY
LOS ANGELES, CA 90012
  X     Senior EVP  

Signatures

Anthony M. Tang 02/03/2005
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Adjusted to reflect a 2-for-1 stock split effective 9/28/04.
(2) ESOP Earning Allocation.
(3) The reporting person no longer has a reportable beneficial interest in 7,956 shares transferred to his children who reached the age of majority.
(4) Dividend Reinvestment.
(5) The option vests in 5 equal annual installments beginning 1/20/01.
(6) The option vests in 5 equal annual installments beginning 1/18/02.
(7) The option vests in 5 equal annual installments beginning 2/21/03.
(8) The option vests in 5 equal annual installments beginning 1/16/04.
(9) The option vests in 5 equal annual installments beginning 11/20/04.

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