Ahhh....here we go.
What is the effective date of the split?
There are several key dates.
The Record Date ? January 27, 2003 - determines which shareholders are entitled to receive additional shares due to the split;
The Mailing or Payment Date - February 14, 2003 - is the date when holders of record or brokers are mailed notification of the shares subject to split; and
The Ex-split Date - February 18, 2003 - is the date when Microsoft common shares will trade on Nasdaq at the new split-adjusted price.