Amegy Bancorporation (ABNK) 10-Q 2004 Q3 Quarterly report

Exhibit 15.1

Awareness Letter of Independent Accountants

November  4, 2004

Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549

Commissioners:

We are aware that our report dated November 3, 2004 on our review of interim financial information of Southwest Bancorporation of Texas, Inc. for the three and nine month periods ended September 30, 2004 and 2003 and included in the Company’s quarterly report on Form 10-Q for the quarter ended September 30, 2004 is incorporated by reference in its Registration Statement on Form S-8 (File Nos. 333-76269, 333-21619, 333-55685, 333-33533, 333-27891, 333-60190, 333-74452, 333-87630, 333-36092, 333-120196 and 333-120197).

Very truly yours,

/s/ PricewaterhouseCoopers LLP