PAA Natural Gas Storage, an L.P. formed by Plains All American to own and operate natural gas storage facilities, will see its quiet period end on Tuesday, June 8th. On April 29th, the company raised $252 million by offering 11.7 million shares at $21.50, above the range of $19-$21. Barclays Capital, UBS Investment Bank and Citi acted as lead managers on the deal.