Memory Leak??

As I've stated in previous posts, I'm trying to learn Cocoa. I'm amazed that with all my mac experience I really have a very basic knowledge of it. I've been hitting a lot of tutorials and I have one big question. I see variations of the following code a lot

Cup *cup = [[Cup alloc] init];

@try {

[cup fill];

}

@catch (NSException *exception) {

NSLog(@"main: Caught %@: %@", [exception name], [exception reason]);

}

@finally {

[cup release];

}

Lets assume that [cup fill] throws the exception and its caught here. Isn't the fact that the exception is never released a memory leak? I know I'm being picky but I really see this in a lot of tutorials. I would think that in the catch block I should see [exception release]. Cocoa programmers let me have it.