cumulative liability to ххх for all
claims of any kind resulting from хххs performance
or breach of this Agreement or
Maintenance Services furnished hereunder shall not
exceed, to the extent collected by ххх, one-and-a-half
times the Fees actually received by ххх

Заранее спасибо

shall not exceed, ..., one-and-a-half times the Fees

не превышает/не должен превышить Гонорара, умноженного на 1,5/увеличенного в полтора раза...