A turbine exhaust case comprising: an outer case extending around a central axis; an inner case concentrically disposed inside the outer case, the inner case having a radially outer surface facing away from the central axis and a radially inner surface facing towards the central axis; an annular exhaust gas path radially between the outer case and the inner case; and a plurality of circumferentially spaced-apart struts extending across the annular exhaust gas path and structurally connecting the inner case to the outer case, at least one of the plurality of circumferentially spaced-apart struts having an airfoil body with a hollow core, the airfoil body having opposed pressure and suction sides (36, 38) extending chordwise from a leading edge to a trailing edge and spanwise from a radially inner end to a radially outer end, wherein the radially inner end of the airfoil body has a strut wall extension that extends through the inner case to a location radially inward of the inner case relative to the central axis, the radially inner end of the airfoil body connected to the inner case on both the radially inner surface and the radially outer surface of the inner case, wherein the inner case has a stiffener ring projecting radially inwardly from the radially inner surface, and the strut wall extension projects radially inwardly through the inner case for connection with the stiffener ring on the radially inner surface of the inner case, characterised in that: the strut wall extension has a pressure side extension segment and a suction side extension segment extending in a spanwise direction in continuity to the pressure side and suction side of the airfoil body of the strut, the pressure side extension segment and the suction side extension segment projecting in a chordwise direction from a leading edge extension segment, the leading edge extension segment monolithically merging with the stiffener ring. an outer case extending around a central axis; an inner case concentrically disposed inside the outer case, the inner case having a radially outer surface facing away from the central axis and a radially inner surface facing towards the central axis; an annular exhaust gas path radially between the outer case and the inner case; and a plurality of circumferentially spaced-apart struts extending across the annular exhaust gas path and structurally connecting the inner case to the outer case, at least one of the plurality of circumferentially spaced-apart struts having an airfoil body with a hollow core, the airfoil body having opposed pressure and suction sides (36, 38) extending chordwise from a leading edge to a trailing edge and spanwise from a radially inner end to a radially outer end, wherein the radially inner end of the airfoil body has a strut wall extension that extends through the inner case to a location radially inward of the inner case relative to the central axis, the radially inner end of the airfoil body connected to the inner case on both the radially inner surface and the radially outer surface of the inner case, wherein the inner case has a stiffener ring projecting radially inwardly from the radially inner surface, and the strut wall extension projects radially inwardly through the inner case for connection with the stiffener ring on the radially inner surface of the inner case,