International Bancshares Corporation ("IBC") announced today that on September 15, 2017, IBC's Board of Directors approved the declaration of a thirty-three cents per share cash dividend for shareholders of record of Common Stock, $1.00 par value, as of the close of business on September 29, 2017, payable on October 16, 2017. "This cash dividend was made possible because of our Company's very strong capital position and continued strong earnings performance," said IBC President and CEO Dennis E. Nixon. IBC (NASDAQ: IBOC) is a multi-bank financial holding company with approximately $12 billion in assets headquartered in Laredo, Texas, with 192 facilities and more than 297 ATMs serving 87 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 future developments or events, expectations, plans, projections or future performance of IBC and its subsidiaries, the occurrence of which involve certain risks and uncertainties, including those 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.