8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15 (d) ofThe Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 4, 2020

INTERNATIONAL BANCSHARES CORPORATION

(Exact Name of Registrant as Specified in its Charter)

(Registrant’s telephone number, including area code)

(956) 722-7611

None

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2.below);

¨Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨Pre-commencement communications pursuant to Rule 13e-4 (c) under the Exchange Act (17 CFR 250.13e-4 (c))

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

On September 8, 2020 International Bancshares Corporation (“IBC”) issued a news release announcing that on September 4, 2020, IBC’s Board of Directors approved the declaration of a fifty-five cents per share cash dividend for shareholders of record of Common Stock, $1.00 par value, as of the close of business on September 21, 2020, payable on October 5, 2020.

The news release announcing the cash dividend attached hereto and filed herewith as Exhibit 99, is incorporated herein by reference.

All of the information furnished in Item 8.01 of this report and the accompanying exhibits is also intended to be included under “Item 7.01 — Regulation Fair Disclosure,” shall not be deemed to be “filed” for the purposes of Section 18 of the Securities and Exchange Act of 1934, as amended, is not subject to the liabilities of that section and shall not be incorporated by reference in any filing under the Securities Act of 1933, as amended.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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EXHIBIT INDEX

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EXHIBIT 99

FOR IMMEDIATE RELEASE

INTERNATIONAL BANCSHARES CORPORATION

ANNOUNCES CASH DIVIDEND

LAREDO, TX,  September 8, 2020 - International Bancshares Corporation (“IBC”) announced today that on September 4, 2020, IBC’s Board of Directors approved the declaration of a .55 cents per share cash dividend for shareholders of record of Common Stock, $1.00 par value, as of the close of business on September 21, 2020, payable on October 5, 2020. “This cash dividend was made possible because of our company’s strong earnings performance, augmented by the benefits of the 2017 Tax Cut and Jobs Act, and the company’s exceptionally strong capital position,” said Dennis E. Nixon, President and CEO of IBC.

IBC (NASDAQ:IBOC - News) is a multi-bank financial holding company headquartered in Laredo, Texas, with over $13.3 billion in total assets and 187 facilities and 282 ATMs serving 88 communities in Texas and Oklahoma.

“Safe Harbor” statement under the Private Securities Litigation Reform Act of 1995: The statements contained in this release which are not historical facts contain forward-looking information with respect to plans, projections or future performance of IBC and its subsidiaries, the occurrence of which involve certain risks and uncertainties detailed in IBC’s filings with the Securities and Exchange Commission.

Copies of IBC’s SEC filings and Annual Report (as an exhibit to the 10-K) may be downloaded from the SEC filings site located at http://www.sec.gov/edgar.shtml or IBC’s website at http://www.ibc.com.