X0202 4/A 2006-04-13 2006-04-27 0 0000787648 TEXAS REGIONAL BANCSHARES INC TRBS 0001353608 Cahlik Dennis G 4221 LULA ST. EDINBURG TX 78539 0 1 0 0 Controller Incentive Stock Option (right to buy) 27.1727 2006-04-13 5 J 0 E 50 0 A 2015-04-15 Class A Common Stock 550 550 D Nonstatutory Stock Option (right to buy) 27.1727 2006-04-13 5 J 0 E 50 0 A 2015-04-15 Class A Common Stock 550 1100 D Incentive Stock Option (right to buy) 28.49 2006-04-25 4 A 0 750 0 A 2016-04-15 Class A Common Stock 750 1850 D Nonstatutory Stock Option (right to buy) 28.49 2006-04-25 4 A 0 750 0 A 2016-04-15 Class A Common Stock 750 2600 D Represents a 10% stock dividend declared by the Board of Directors on March 14, 2006 to shareholders of record March 31, 2006 and payable April 13, 2006. Pursuant to the option agreements, the exercise price and number of shares subject to the options have been adjusted. 20% of the options become exercisable on August 1st of each year beginning August 1, 2006. Granted from the Texas Regional Bancshares, Inc. 2006 Incentive Plan. 20% of the options become exercisable on April 25th of each year beginning April 25, 2007. Amendment to correct title of derivative security. The original Form 4 stated 1,500 options were granted as incentive stock options. Mr. Cahlik was granted 750 incentive stock options and 750 nonstatutory stock options. /s/ Dennis G. Cahlik 2006-06-28