2026-03-19 Correspondence Claims

EXHIBIT D

Spatial Comparison of Acoustic Energy behind Workstation 3

2 250 2500

-110

-130

Level (dB)

-150

-170

-190

-210
Frequency Hz (Log Scale)

Left Ear (Glass Reflection) | ——Right Ear (Direct Open Rack)

Behind Head (Shielded)

25000