It was plan in the road map to be release Q1 20013 but it is delay to 2nd April 2013.
source : http://blogs.technet.com/b/exchange/archive/2013/03/25/exchange-2013-rtm-cu1-status.aspx
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Blog on Microsoft 2016 products, Office 365 and Azure
It was plan in the road map to be release Q1 20013 but it is delay to 2nd April 2013.
source : http://blogs.technet.com/b/exchange/archive/2013/03/25/exchange-2013-rtm-cu1-status.aspx