Display Screen or Portion Thereof with a Graphic User Interface

FIG. 1 is a front view of a first embodiment of a display screen or portion thereof with a graphic user interface showing our new design;

FIG. 2 is a front view of a second embodiment of a display screen or portion thereof with a graphic user interface showing our new design;

FIG. 3 is a front view of a third embodiment of a display screen or portion thereof with a graphic user interface showing our new design;

FIG. 4 is a front view of a fourth embodiment of a display screen or portion thereof with a graphic user interface showing our new design;

FIG. 5 is a front view of a fifth embodiment of a display screen or portion thereof with a graphic user interface showing our new design;

FIG. 6 is a front view of a sixth embodiment of a display screen or portion thereof with a graphic user interface showing our new design;

FIG. 7 is a front view of a seventh embodiment of a display screen or portion thereof with a graphic user interface showing our new design;

FIG. 8 is a front view of an eighth embodiment of a display screen or portion thereof with a graphic user interface showing our new design; and,

FIG. 9 is a front view of a ninth embodiment of a display screen or portion thereof with a graphic user interface showing our new design.

The outermost dashed broken lines showing portions of the display screen or portion thereof form no part of the claimed design. The remaining dashed broken lines showing the graphical user interface form no part of the claimed design. The embodiments of FIGS. 5 - 9 illustrate the environment of a mobile device that forms no part of the claimed design. The dash-dot-dash broken lines show text block locations, with the specific text provided therein as dashed lines forming no part of the claimed design.