Sec Form 4 Filing - ROSS LOU @ NATIONAL SCIENTIFIC CORP/AZ - 2003-09-30

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 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 ROSS LOU 2. Issuer Name and Ticker or Trading Symbol NATIONAL SCIENTIFIC CORP/AZ [ NSCT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) X __ Other (specify below) Former Director (Last) (First) (Middle) 2243 LEMON STREET 3. Date of Earliest Transaction (MM/DD/YY) 09/30/2003 (Street) MESA, AZ85215 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction 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

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 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 NSCT Stock Options $ 1 09/30/2003 J( 1 ) V 75,000 12/01/2001 12/01/2011 Common Stock 75,000 ( 1 ) 0 D NSCT Stock Options $ 2 09/30/2003 J( 1 ) V 75,000 12/01/2 001 12/01/2011 Common Stock 75,000 ( 1 ) 0 D NSCT Stock Options $ 3 09/30/2003 J( 1 ) V 75,000 12/01/2001 12/01/2011 Common Stock 75,000 ( 1 ) 0 D NSCT Stock Options $ 4 09/30/2003 J( 1 ) V 75,000 12/01/2001 12/01/2011 Common Stock 75,000 ( 1 ) 0 D NSCT Stock Options $ 5 09/30/2003 J( 1 ) V 75,000 12/01/2001 12/01/2011 Common Stock 75,000 ( 1 ) 0 D NSCT Stock Options $ 6 09/30/2003 J( 1 ) V 75,000 12/01/2001 12/01/2011 Common Stock 75,000 ( 1 ) 0 D NSCT Stock Options $ 7 09/30/2003 J( 1 ) V 75,000 12/01/2001 12/01/2011 Common Stock 75,000 ( 1 ) 0 D NSCT Stock Options $ 8 09/30/2003 J( 1 ) V 75,000 12/01/2001 12/01/2011 Common Stock 75,000 ( 1 ) 0 D NSCT Stock Options $ 9 09/30/2003 J( 1 ) V 75,000 12/01/2001 12/01/2011 Common Stock 75,000 ( 1 ) 0 D NSCT Stock Options $ 10 09/30/2003 J( 1 ) V 75,000 12/01/2001 12/01/2011 Common Stock 75,000 ( 1 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other ROSS LOU 2243 LEMON STREET MESA, AZ85215 Former Director Signatures Lou L. Ross 10/02/2003 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These option agreements were forfeited on September 30, 2003, as per terms of the NSC 2000 option plan, and as per previous employment and other agreements with Mr. Ross to surrender them on or before his departure from the NSC board on September 30, 2003. A total of 750,000 options were returned to the company by this transaction.

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).

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