Members of the union representing most of The Baltimore Sun's newsroom employees voted to approve a two-year contract extension Wednesday evening that freezes wages.

The union, the Washington-Baltimore Newspaper Guild, supported the extension. The Sun's parent, the Tribune Co., expects to spin off its newspapers as a separate company this summer, and Guild leaders said the current contract offers employees stability and protection.

A Baltimore Sun spokeswoman said the company was happy with the results.

The Guild represents most newsroom employees at the Sun, along with workers in advertising, circulation and other areas. It has about 165 members at the Sun, down from 225 when workers approved a three-year contract extension in 2011. That deal gave workers raises only in the third year, beginning June 2013.

jhopkins@baltsun.com

twitter.com/jsmithhopkins