/usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1 is in libegl1-mesa-lts-trusty 10.1.3-0ubuntu0.2~precise2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1.0.0