PROASSURANCE CORP

Ticker: PRA CUSIP: 74267C106 Class: Common Stock

TWIN CAPITAL MANAGEMENT INC's Holding History (CIK: 0001059187)

Note: Option positions (PUT/CALL) are excluded.

Q2 2013

Shares 15,720 Value ($000) $820 Avg Close $49.77 Range $46.93 - $52.89

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2013	15,720	$820	$49.77	$46.93 - $52.89