[k@Z@k]

// По горизонтали
Ex.workbooks[1].worksheets[1].range['a2:a3'].HorizontalAlignment:=alignment;
xlHAlignCenter=-4108;
xlHAlignDistributed=-4117;
xlHAlignJustify=-4130;
xlHAlignLeft=-4131;
xlHAlignRight=-4152;
xlHAlignCenterAcrossSelection=7;
xlHAlignFill=5;
xlHAlignGeneral=1;
// По вертикали
Ex.workbooks[1].worksheets[1].range['a2:a3'].VerticalAlignment:=alignment;
xlVAlignBottom=-4107;
xlVAlignCenter=-4108;
xlVAlignDistributed=-4117;
xlVAlignJustify=-4130;
xlVAlignTop=-4160;