It's Not 3 business days PRIOR to the 13th (IE: T+3), or 3 Business Days Later from Any Trade Date up to and including the 13th (RE: known as a Stock Trade's Settlement Date T+3).
According to uWink IR the last TRADE Date was... = 2/13/09 IE: by the close of Trading on 2/13/09
According to them, They did not 'mean something different'.