ValueTasks in C# operate similarly to Tasks when it comes to exception handling, but they are a bit more lightweight and can be more efficient in scenarios where the result of an asynchronous operation is available immediately or synchronously.

When dealing with exceptions in asynchronous operations executed by a Task or ValueTask, you typically use a try-catch block to catch any exceptions that may be thrown, such as an AggregateException, which is common when dealing with concurrent operations​​.

In cases where a task faults, expressions like await task, task.Wait(), task.Result, or task.GetAwaiter().GetResult() will throw an exception. To handle these exceptions, you can use a try-catch statement to handle and observe the thrown exceptions. You can also observe the exception by accessing the Task.Exception property​​.

For tasks that may not be awaited, or for more fine-grained control over exception handling, you can use the ContinueWith method with a TaskContinuationOptions value such as OnlyOnFaulted. This allows you to specify a continuation task that only runs if the antecedent task faults​​​​.

To summarize, handling exceptions with ValueTasks follows the same principles as with Tasks. Use try-catch blocks to catch exceptions, employ the Task.Exception property for observation, and utilize continuation tasks for specific error handling scenarios. It's also important to understand the behavior of awaited and unawaited tasks to properly manage exceptions.