diff --git a/Classes/PHPExcel/Writer/HTML.php b/Classes/PHPExcel/Writer/HTML.php
index a30033f1..f50412e5 100644
--- a/Classes/PHPExcel/Writer/HTML.php
+++ b/Classes/PHPExcel/Writer/HTML.php
@@ -966,7 +966,10 @@ class PHPExcel_Writer_HTML extends PHPExcel_Writer_Abstract implements PHPExcel_
 	 */
 	private function _createCSSStyleBorder(PHPExcel_Style_Border $pStyle) {
 		// Create CSS
-		$css = $this->_mapBorderStyle($pStyle->getBorderStyle()) . ' #' . $pStyle->getColor()->getRGB();
+//		$css = $this->_mapBorderStyle($pStyle->getBorderStyle()) . ' #' . $pStyle->getColor()->getRGB();
+		//	Create CSS - add !important to non-none border styles for merged cells  
+		$borderStyle = $this->_mapBorderStyle($pStyle->getBorderStyle());  
+		$css = $borderStyle . ' #' . $pStyle->getColor()->getRGB() . (($borderStyle == 'none') ? '' : ' !important'); 
 
 		// Return
 		return $css;
@@ -1229,6 +1232,11 @@ class PHPExcel_Writer_HTML extends PHPExcel_Writer_Abstract implements PHPExcel_
 					$spans = $this->_isBaseCell[$pSheet->getParent()->getIndex($pSheet)][$pRow + 1][$colNum];
 					$rowSpan = $spans['rowspan'];
 					$colSpan = $spans['colspan'];
+
+					//	Also apply style from last cell in merge to fix borders -
+					//		relies on !important for non-none border declarations in _createCSSStyleBorder
+					$endCellCoord = PHPExcel_Cell::stringFromColumnIndex($colNum + $colSpan - 1) . ($pRow + $rowSpan);
+					$cssClass .= ' style' . $pSheet->getCell($endCellCoord)->getXfIndex();
 				}
 
 				// Write
diff --git a/changelog.txt b/changelog.txt
index afdadb0d..16a7ac10 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -56,13 +56,15 @@ Fixed in develop branch for release v1.7.9:
 - Bugfix:   (MBaker)    Work item GH-80  - "Sheet index is out of bounds." Exception
 - Bugfix:   (ccorliss)  Work item GH-105 - Fixed number format fatal error
 - Bugfix:   (MBaker)                     - Add DROP TABLE in destructor for SQLite and SQLite3 cache controllers
+- Bugfix:   (alexgann)  Work item GH-154 - Fix merged-cell borders on HTML/PDF output
+
 
 --------------------------------------------------------------------------------
 BREAKING CHANGE! As part of the planned changes for handling array formulae in
 workbooks, there are some changes that will affect the PHPExcel_Cell object 
 methods.
 
-The following methods are now deprecated, and will be removed in version 1.7.9:
+The following methods are now deprecated, and will be removed in or after version 1.8.0:
     getCalculatedValue()      The getValue() method will return calculated
                                   values for cells containing formulae instead.
     setCalculatedValue()      The cell value will always contain the result of a
@@ -72,7 +74,7 @@ The following methods are now deprecated, and will be removed in version 1.7.9:
     getFormulaAttributes()    This will be replaced by the getArrayFormulaRange()
                                   method.
 
-The following methods will be added in version 1.7.9
+The following methods will be added in version 1.8.0
     getFormula()              Use to retrieve a cell formula, will return the cell
                                   value if the cell doesn't contain a formula, or
                                   is not part of an array formula range.
@@ -87,7 +89,7 @@ The following methods will be added in version 1.7.9
                                  or is part of an array formula range or not.
     getArrayFormulaRange()    Use to retrieve an array formula range.
 
-The following methods will be changed in version 1.7.9
+The following methods will be changed in version 1.8.0
     setValue()                The logic behind this will be modified to store
                                   formula values in the new cell property structure,
                                   but it will still perform the same function.