Amends a contract with Concession Planning International Australia PTY Ltd. by adding $1,100,000.00 for a new total of $2,079,000.00 and two one-year options to extend for a new end date of 11-20-2028 to complete, monitor, and support Denver International Airport's concession master plan in Council District 11 (PLANE-202368744/PLANE-202580138-01).