Mileage reimbursement raised St. Thomas Newsroom June 30, 2008 Mileage reimbursement raised The Accounts Payable Department announces that UST will increase the mileage reimbursement amount of 50.5 cents per mile to 58.5 cents per mile for business use of personal vehicles. The higher mileage rate matches the revised IRS mileage rate. Employee mileage reimbursements for business use will be calculated at the increased rate for travel beginning July 1. Questions? Call Edie Dull in Accounts Payable, (651) 962-6382.