diff --git a/postbuild_processing/tt-hinting/Hack-Italic-TA.txt b/postbuild_processing/tt-hinting/Hack-Italic-TA.txt
index f5c0710e2..b3058ac22 100644
--- a/postbuild_processing/tt-hinting/Hack-Italic-TA.txt
+++ b/postbuild_processing/tt-hinting/Hack-Italic-TA.txt
@@ -5,3 +5,17 @@
 # bar touch 0,3  y -0.25 @ 6
 # bar touch 0,3  y -0.5  @ 7
 # bar touch 0,3  y -1    @ 10,14
+
+# # U+0025 percent glyph 750
+uni0025 touch 0,1,21,22,23,39    y 0.5    @10
+uni0025 touch 40                 y 0.75   @10
+uni0025 touch 41,42,43           y 0.5    @10
+uni0025 touch 51,52,53,72,73,74  y 0.5    @10
+
+uni0025 touch 40,43              y -0.75  @11
+uni0025 touch 41,42              y 0.75   @11
+
+uni0025 touch 0,1,21,22,23,39    y -0.25  @14
+uni0025 touch 8,9,10,30,31,32    y 0.25   @14
+uni0025 touch 51,52,53,72,73,74  y -0.5   @14
+uni0025 touch 40,41,42,43        y -0.25  @14