diff --git a/Lib/ctypes/__init__.py b/Lib/ctypes/__init__.py
index cff5483..cdf6d36 100644
--- a/Lib/ctypes/__init__.py
+++ b/Lib/ctypes/__init__.py
@@ -14,7 +14,7 @@
 from struct import calcsize as _calcsize
 
 if __version__ != _ctypes_version:
-    raise Exception, ("Version number mismatch", __version__, _ctypes_version)
+    raise Exception("Version number mismatch", __version__, _ctypes_version)
 
 if _os.name in ("nt", "ce"):
     from _ctypes import FormatError
@@ -67,7 +67,7 @@
         buftype = c_char * init
         buf = buftype()
         return buf
-    raise TypeError, init
+    raise TypeError(init)
 
 def c_buffer(init, size=None):
 ##    "deprecated, use create_string_buffer instead"
@@ -297,18 +297,16 @@
             buftype = c_wchar * init
             buf = buftype()
             return buf
-        raise TypeError, init
+        raise TypeError(init)
 
 POINTER(c_char).from_param = c_char_p.from_param #_SimpleCData.c_char_p_from_param
 
 # XXX Deprecated
 def SetPointerType(pointer, cls):
     if _pointer_type_cache.get(cls, None) is not None:
-        raise RuntimeError, \
-              "This type already exists in the cache"
+        raise RuntimeError("This type already exists in the cache")
     if id(pointer) not in _pointer_type_cache:
-        raise RuntimeError, \
-              "What's this???"
+        raise RuntimeError("What's this???")
     pointer.set_type(cls)
     _pointer_type_cache[cls] = pointer
     del _pointer_type_cache[id(pointer)]
@@ -357,7 +355,7 @@
 
     def __getattr__(self, name):
         if name.startswith('__') and name.endswith('__'):
-            raise AttributeError, name
+            raise AttributeError(name)
         func = self.__getitem__(name)
         setattr(self, name, func)
         return func
diff --git a/Lib/ctypes/macholib/dyld.py b/Lib/ctypes/macholib/dyld.py
index 2bd43c3..dc7052e 100644
--- a/Lib/ctypes/macholib/dyld.py
+++ b/Lib/ctypes/macholib/dyld.py
@@ -124,7 +124,7 @@
             ), env):
         if os.path.isfile(path):
             return path
-    raise ValueError, "dylib %s could not be found" % (name,)
+    raise ValueError("dylib %s could not be found" % (name,))
 
 def framework_find(fn, executable_path=None, env=None):
     """
diff --git a/Lib/ctypes/test/test_cfuncs.py b/Lib/ctypes/test/test_cfuncs.py
index fa858a6..63564a8 100644
--- a/Lib/ctypes/test/test_cfuncs.py
+++ b/Lib/ctypes/test/test_cfuncs.py
@@ -186,7 +186,7 @@
     class stdcall_dll(WinDLL):
         def __getattr__(self, name):
             if name[:2] == '__' and name[-2:] == '__':
-                raise AttributeError, name
+                raise AttributeError(name)
             func = self._FuncPtr(("s_" + name, self))
             setattr(self, name, func)
             return func
diff --git a/Lib/ctypes/test/test_macholib.py b/Lib/ctypes/test/test_macholib.py
index 4bb68ac..f2ee035 100644
--- a/Lib/ctypes/test/test_macholib.py
+++ b/Lib/ctypes/test/test_macholib.py
@@ -42,7 +42,7 @@
             return os.path.realpath(dyld_find(dylib))
         except ValueError:
             pass
-    raise ValueError, "%s not found" % (name,)
+    raise ValueError("%s not found" % (name,))
 
 class MachOTest(unittest.TestCase):
     if sys.platform == "darwin":
diff --git a/Lib/ctypes/test/test_random_things.py b/Lib/ctypes/test/test_random_things.py
index e803895..6b2c1b1 100644
--- a/Lib/ctypes/test/test_random_things.py
+++ b/Lib/ctypes/test/test_random_things.py
@@ -3,7 +3,7 @@
 
 def callback_func(arg):
     42 / arg
-    raise ValueError, arg
+    raise ValueError(arg)
 
 if sys.platform == "win32":