Does topher grace die in predators?

There is no indication he has died as of this date Dec. 29, 2009. "For the source and more detailed information concerning your request, click on the related links section (Wikipedia) indicated...

Grace died because she had disease and a infection about something so when she was 26, she died on a early age of the disease and the infection Oswin

no he was only wounded.

She died on September 14, 1982, when she lost control of her car and crashed after suffering a stroke.