Michael Sweeney, the lottery's executive director, says the winner will be introduced at 1 p.m. at lottery headquarters. All he would say about the winner is that it is an individual woman.
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A store in Chicopee, Massachusetts, sold the only ticket that won the jackpot. It's the largest grand prize won by a single lottery ticket in U.S. history.
Sweeney also apologized for the lottery's erroneous announcement early Thursday that the winning ticket had been sold at a store in Watertown. He blamed it on human error.
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The lucky numbers for the second largest lottery prize in U.S. history were 6, 7, 16, 23 and 26, and the Powerball number was 4.
In the Bay Area, one ticket in Daly City and another in Milpitas matched five of the six winning numbers.
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Officials say 9,397,723 additional players won prizes totaling more than $135 Million.
The estimated jackpot will be reset to $40 Million.
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