diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -1217,6 +1217,22 @@
     ],
 )
 
+libc_math_function(
+    name = "exp",
+    additional_deps = [
+        ":__support_fputil_double_double",
+        ":__support_fputil_dyadic_float",
+        ":__support_fputil_multiply_add",
+        ":__support_fputil_nearest_integer",
+        ":__support_fputil_polyeval",
+        ":__support_fputil_rounding_mode",
+        ":__support_fputil_triple_double",
+        ":__support_macros_optimization",
+        ":common_constants",
+        ":explogxf",
+    ],
+)
+
 libc_math_function(
     name = "expf",
     additional_deps = [
@@ -1244,6 +1260,22 @@
     ],
 )
 
+libc_math_function(
+    name = "exp2",
+    additional_deps = [
+        ":__support_fputil_double_double",
+        ":__support_fputil_dyadic_float",
+        ":__support_fputil_multiply_add",
+        ":__support_fputil_nearest_integer",
+        ":__support_fputil_polyeval",
+        ":__support_fputil_rounding_mode",
+        ":__support_fputil_triple_double",
+        ":__support_macros_optimization",
+        ":common_constants",
+        ":explogxf",
+    ],
+)
+
 libc_math_function(
     name = "exp2f",
     additional_deps = [
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/math/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/math/BUILD.bazel
--- a/utils/bazel/llvm-project-overlay/libc/test/src/math/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/math/BUILD.bazel
@@ -734,6 +734,27 @@
     ],
 )
 
+math_test(
+    name = "erff",
+    deps = [
+        "//libc/utils/MPFRWrapper:mpfr_wrapper",
+    ],
+)
+
+math_test(
+    name = "exp",
+    deps = [
+        "//libc/utils/MPFRWrapper:mpfr_wrapper",
+    ],
+)
+
+math_test(
+    name = "exp2",
+    deps = [
+        "//libc/utils/MPFRWrapper:mpfr_wrapper",
+    ],
+)
+
 math_test(
     name = "fmod",
     hdrs = ["FModTest.h"],