Index: lams_common/src/java/org/lamsfoundation/lams/util/excel/ExcelSheet.java
===================================================================
diff -u -rf13b8a48b9a1cfaee56a654ba751a9736616b726 -r8e67b6d0ec8fb3999cdc8861665a34a62ead7646
--- lams_common/src/java/org/lamsfoundation/lams/util/excel/ExcelSheet.java	(.../ExcelSheet.java)	(revision f13b8a48b9a1cfaee56a654ba751a9736616b726)
+++ lams_common/src/java/org/lamsfoundation/lams/util/excel/ExcelSheet.java	(.../ExcelSheet.java)	(revision 8e67b6d0ec8fb3999cdc8861665a34a62ead7646)
@@ -1,35 +1,38 @@
 package org.lamsfoundation.lams.util.excel;
 
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
+import org.apache.poi.ss.util.CellRangeAddress;
+
 /**
  * Excel sheet, containing Excel rows.
- * 
+ *
  * @author Andrey
  */
 public class ExcelSheet {
     private String sheetName = "";
     private List<ExcelRow> rows = new ArrayList<>();
-    
-    public ExcelSheet() {}
-    
+    Set<CellRangeAddress> mergedCells = new HashSet<>();
+
+    public ExcelSheet() {
+    }
+
     public ExcelSheet(String sheetName) {
 	this.sheetName = sheetName;
     }
-    
+
     /**
      * Add empty row.
      */
     public void addEmptyRow() {
 	rows.add(new ExcelRow());
     }
-    
+
     /**
      * Return row at the specified position in rows list.
-     * 
-     * @param index
-     * @return
      */
     public ExcelRow getRow(int index) {
 	return rows.get(index);
@@ -41,26 +44,32 @@
 	row.setBold(isBold);
 	return row;
     }
-    
+
     public ExcelRow initRow() {
 	return initRow(false);
     }
-    
+
     public void addRow(ExcelRow row) {
 	rows.add(row);
     }
-    
+
     public List<ExcelRow> getRows() {
 	return rows;
     }
+
     public void setRows(List<ExcelRow> rows) {
-	this.rows = rows;;
+	this.rows = rows;
     }
-    
+
     public String getSheetName() {
 	return sheetName;
     }
+
     public void setSheetName(String sheetName) {
-	this.sheetName = sheetName;;
+	this.sheetName = sheetName;
     }
-}
+
+    public void addMergedCells(int row, int fromColumn, int toColumn) {
+	mergedCells.add(new CellRangeAddress(row, row, fromColumn, toColumn));
+    }
+}
\ No newline at end of file
Index: lams_common/src/java/org/lamsfoundation/lams/util/excel/ExcelUtil.java
===================================================================
diff -u -rf387f22d1d29e552262b9b538a3b46c1b766a3c7 -r8e67b6d0ec8fb3999cdc8861665a34a62ead7646
--- lams_common/src/java/org/lamsfoundation/lams/util/excel/ExcelUtil.java	(.../ExcelUtil.java)	(revision f387f22d1d29e552262b9b538a3b46c1b766a3c7)
+++ lams_common/src/java/org/lamsfoundation/lams/util/excel/ExcelUtil.java	(.../ExcelUtil.java)	(revision 8e67b6d0ec8fb3999cdc8861665a34a62ead7646)
@@ -42,6 +42,7 @@
 import org.apache.poi.ss.usermodel.Row;
 import org.apache.poi.ss.usermodel.Sheet;
 import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.ss.util.CellRangeAddress;
 import org.apache.poi.ss.util.CellUtil;
 import org.apache.poi.ss.util.WorkbookUtil;
 import org.apache.poi.util.LocaleUtil;
@@ -266,6 +267,11 @@
 	    }
 	}
 
+	// merge cells
+	for (CellRangeAddress mergedCells : excelSheet.mergedCells) {
+	    sheet.addMergedRegion(mergedCells);
+	}
+
 	//autoSizeColumns
 	for (int i = 0; i < maxCellsNumber; i++) {
 	    sheet.autoSizeColumn(i);