
Are the following mentions coreferent?:
<m> announce </m> in T-Mobile has officially announce that they will launch the new RIM BlackBery Curve 8900 sometime in mid-February. Previously, the date of February 11 was leaked. 
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<m> announced </m> in T-Mobile USA, Inc. and Research In Motion today announced that T-Mobile will offer the BlackBerry Curve 8900 to customers in February. The announcement confirms rumors from December. The Curve 8900 has been upgraded with a 3.2-megapixel camera with image stabilization and video compatibility. It supports microSD cards up to 16GB ( Like the new SanDisk memory cards announced today ). 