Resolution retroactively approving Contract Modification No. 4 to extend the term of the contract for a total term of June 1, 2011, through December 31, 2021, with no change to the contract amount of $458,823 between the Arts Commission, Municipal Transportation Agency, White Light Inc. and Werner Klotz Public Art Inc., to provide designs and consult on the fabrication and installation of artwork to be displayed in the Central Subway.