Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  TARVIN JULIE L
 2. Date of Event Requiring Statement (Month/Day/Year)
12/27/2017		 3. Issuer Name and Ticker or Trading Symbol
INTERNATIONAL BANCSHARES CORP [IBOC]
(Last)
(First)
(Middle)
1200 SAN BERNARDO		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VICE PRESIDENT
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

LAREDO, TX 78040		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
COMMON STOCK 5,853
D
 
COMMON STOCK 557
I
HELD BY HUSBAND

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
EMPLOYEE STOCK OPTION (RIGHT TO BUY)   (1) 10/17/2019 COMMON STOCK 2,500 $ 14.73 D  
EMPLOYEE STOCK OPTION (RIGHT TO BUY)   (2) 02/19/2024 COMMON STOCK 3,500 $ 21.42 D  
EMPLOYEE STOCK OPTION (RIGHT TO BUY)   (3) 08/25/2025 COMMON STOCK 10,000 $ 24.09 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
TARVIN JULIE L
1200 SAN BERNARDO
LAREDO, TX 78040		       VICE PRESIDENT  

Signatures

JULIE L TARVIN 02/12/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) GRANTED 10/7/2011 8 YEAR VESTING SCHEDULE 1ST YR 5%, 2ND YR 10%, 3RD YR 15%, 4TH YR 20%, 5TH YR 25%, 6TH YR 25%
(2) GRANTED 2/19/2014 10 YEAR VESTING SCHEDULE 2ND YR 5%, 3RD YR 10%, 4TH YR 15%, 5TH YR 20%, 6TH YR 25%, 7TH YR 25%
(3) GRANTED 8/25/2015 10 YEAR VESTING SCHEDULE 2ND YR 5%, 3RD YR 10%, 4TH YR 15%, 5TH YR 20%, 6TH YR 25%, 7TH YR 25%

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