*AMAZON SEES 1Q NET SALES $121.0B TO $126.0B, EST. $125.55B
*AMAZON SEES 1Q OPER INCOME $0 TO $4.0B, EST. $3.52B
*AMAZON 4Q EPS 3.0C
4Q AWS NET SALES $21.38B, EST. $21.76B
4Q SUBSCRIPTION SERVICES NET SALES $9.19B, EST. $9.01B
4Q NET SALES $149.2B, EST. $145.8B $AMZN