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Oyster Creek Generating Station Siren Test Scheduled for Dec. 3

Sirens to sound for three minutes



Forked River, NJ- Exelon Generation will conduct its semi-annual, full volume test of the new emergency warning sirens with battery back-up on Tuesday, December 3 at approximately 10 a.m. EST. This is just one of two semi-annual tests scheduled for the first Tuesday of June and December each year.

Exelon Generation replaced all 42 emergency warning sirens in the 10-mile radius around Oyster Creek with new, state-of-the-art units featuring battery back-up. The original sirens will be removed in 2014.

The Oyster Creek siren investment is part of Exelon Generation's commitment to replace and
upgrade the emergency sirens at all of the sites in the mid-Atlantic, including Limerick
Generating Station, Three Mile Island Generating Station and Peach Bottom Atomic Power
Station. This project will involve a total investment of more than $11 million and the
replacement of 400 sirens.

The purpose of the sirens is to notify residents to tune to an Emergency Alert System (EAS) radio or television station in case of an emergency.

Oyster Creek is about 60 miles east of Philadelphia in Ocean County, New Jersey. The plant
produces 636 net megawatts of electricity at full power, enough electricity to supply 600,000
typical homes, the equivalent to all homes in Monmouth and Ocean counties combined. In
addition, plant workers, through their payrolls, are responsible for more than $69 million injected directly into New Jersey's economy.