San Diego-based Kyriba, a provider of web-based cash and treasury management software, announced Wednesday that ExpressJet Airlines has selected the firm's cash and treasury management products. ExpressJet will use Kyriba's web-based cash and treasury management solutions to manage its bank balances, payments, cash forecasting, and other financials. Size of the win was not disclosed. Kyriba is a venture-backed firm focused on cash and financial management.