From the KPHL website
Realign Taxiway H and Establish Taxiway EE (North)
This is the first phase of a multi-phased project to provide a 1,494
linear-foot extension of Runway 9R-27L, construction of associated
eastside taxiways and hold pads. In this phase a new Taxiway EE will
establish a connection between Taxiways H and K and Taxiway H will be
realigned between Taxiway EE and the existing Taxiway D.
Projected completion date: August 2016
As well as,
9R-27L Extension - Site Prep, Utility, & Fuel Line Relocation
This is the first phase of a multi-phased project to provide a 1,494
linear-foot extension of Runway 9R-27L, construction of associated
eastside taxiways and hold pads. In this phase a new Taxiway EE will
establish a connection between Taxiways H and K and Taxiway H will be
realigned between Taxiway EE and the existing Taxiway D.
Projected completion date: October 2016
The imagery predates the projected completion dates so it makes sense.