Public Storage Inc. shares slipped 1 percent after the company reported a loss due to charges associated with its merger with Shurgard Storage Centers last year.

Public Storage reported a fourth quarter net loss of $10.2 million (-48 cents per share), a big drop from a profit of $123 million (51 cents) for the same period a year earlier. The company attributed the loss to $24 million in charges related to the acquisition of Shurgard last summer.

Revenues for the Glendale-based storage facility manager and REIT rose 23 percent to $152 million.

Shares in Public Storage closed down 73 cents to $101.27 and continued to slip another 32 cents in after-hours trading to $100.95.