TEN-2014.3.31-10Q Exhibit 15.1

We are aware that our report dated May 6, 2014 on our review of interim financial information of Tenneco, Inc. for the three month periods ended March 31, 2014 and 2013 and included in the Company's quarterly report on Form 10-Q for the quarter ended March 31, 2014 is incorporated by reference in its Registration Statements on Form S-8 (Nos. 333-17485, 333-41535, 333-33934, 333-101973, 333-113705, 333-142475, 333-159358 and 333-192928).