diff --git a/Classes/PHPExcel/Reader/Excel2007.php b/Classes/PHPExcel/Reader/Excel2007.php
index 69e7eceb..61862183 100644
--- a/Classes/PHPExcel/Reader/Excel2007.php
+++ b/Classes/PHPExcel/Reader/Excel2007.php
@@ -345,8 +345,19 @@ class PHPExcel_Reader_Excel2007 implements PHPExcel_Reader_IReader
 				case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/custom-properties":
 					$xmlCore = simplexml_load_string($this->_getFromZipArchive($zip, "{$rel['Target']}"));
 					if (is_object($xmlCore)) {
-						$xmlCore->registerXPathNamespace("vt", "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes");
 						$docProps = $excel->getProperties();
+						foreach ($xmlCore as $xmlProperty) {
+							$cellDataOfficeAttributes = $xmlProperty->attributes();
+							if (isset($cellDataOfficeAttributes['name'])) {
+								$propertyName = (string) $cellDataOfficeAttributes['name'];
+								$cellDataOfficeChildren = $xmlProperty->children('http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes');
+								$attributeType = $cellDataOfficeChildren->getName();
+								$attributeValue = (string) $cellDataOfficeChildren->{$attributeType};
+								$attributeValue = PHPExcel_DocumentProperties::convertProperty($attributeValue,$attributeType);
+								$attributeType = PHPExcel_DocumentProperties::convertPropertyType($attributeType);
+								$docProps->setCustomProperty($propertyName,$attributeValue,$attributeType);
+							}
+						}
 					}
 				break;
 
diff --git a/Classes/PHPExcel/Reader/Excel5.php b/Classes/PHPExcel/Reader/Excel5.php
index 96cca80c..6e38d810 100644
--- a/Classes/PHPExcel/Reader/Excel5.php
+++ b/Classes/PHPExcel/Reader/Excel5.php
@@ -192,6 +192,13 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
 	 */
 	private $_summaryInformation;
 
+	/**
+	 * Extended Summary Information stream data.
+	 *
+	 * @var string
+	 */
+	private $_documentSummaryInformation;
+
 	/**
 	 * Workbook stream data. (Includes workbook globals substream as well as sheet substreams)
 	 *
@@ -508,6 +515,9 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
 		// Read the summary information stream (containing meta data)
 		$this->_readSummaryInformation();
 
+		// Read the Additional document summary information stream (containing application-specific meta data)
+		$this->_readDocumentSummaryInformation();
+
 		// total byte size of Excel data (workbook global substream + sheet substreams)
 		$this->_dataSize = strlen($this->_data);
 
@@ -930,6 +940,9 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
 
 		// Get summary information data
 		$this->_summaryInformation = $ole->getSummaryInformation();
+
+		// Get additional document summary information data
+		$this->_documentSummaryInformation = $ole->getDocumentSummaryInformation();
 	}
 
 	/**
@@ -947,31 +960,34 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
 		// offset: 6; size: 2; OS indicator
 		// offset: 8; size: 16
 		// offset: 24; size: 4; section count
+		$secCount = $this->_GetInt4d($this->_documentSummaryInformation, 24);
 
 		// offset: 28; size: 16; first section's class id: e0 85 9f f2 f9 4f 68 10 ab 91 08 00 2b 27 b3 d9
 		// offset: 44; size: 4
+		$secOffset = $this->_GetInt4d($this->_summaryInformation, 44);
 
 		// section header
-		// offset: 48; size: 4; section length
-		$secLength = $this->_GetInt4d($this->_summaryInformation, 48);
+		// offset: $secOffset; size: 4; section length
+		$secLength = $this->_GetInt4d($this->_summaryInformation, $secOffset);
 
-		// offset: 52; size: 4; property count
-		$countProperties = $this->_GetInt4d($this->_summaryInformation, 52);
+		// offset: $secOffset+4; size: 4; property count
+		$countProperties = $this->_GetInt4d($this->_summaryInformation, $secOffset+4);
 
 		// initialize code page (used to resolve string values)
 		$codePage = 'CP1252';
 
-		// offset: 56; size: var
+		// offset: ($secOffset+8); size: var
 		// loop through property decarations and properties
 		for ($i = 0; $i < $countProperties; ++$i) {
 
-			// offset: 56 + 8 * $i; size: 4; property ID
-			$id = $this->_GetInt4d($this->_summaryInformation, 56 + 8 * $i);
+			// offset: ($secOffset+8) + (8 * $i); size: 4; property ID
+			$id = $this->_GetInt4d($this->_summaryInformation, ($secOffset+8) + (8 * $i));
 
-			// offset: 60 + 8 * $i; size: 4; offset from beginning of section (48)
-			$offset = $this->_GetInt4d($this->_summaryInformation, 60 + 8 * $i);
+			// Use value of property id as appropriate
+			// offset: ($secOffset+12) + (8 * $i); size: 4; offset from beginning of section (48)
+			$offset = $this->_GetInt4d($this->_summaryInformation, ($secOffset+12) + (8 * $i));
 
-			$type = $this->_GetInt4d($this->_summaryInformation, 48 + $offset);
+			$type = $this->_GetInt4d($this->_summaryInformation, $secOffset + $offset);
 
 			// initialize property value
 			$value = null;
@@ -979,11 +995,11 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
 			// extract property value based on property type
 			switch ($type) {
 				case 0x02: // 2 byte signed integer
-					$value = $this->_GetInt2d($this->_summaryInformation, 52 + $offset);
+					$value = $this->_GetInt2d($this->_summaryInformation, $secOffset + 4 + $offset);
 					break;
 
 				case 0x03: // 4 byte signed integer
-					$value = $this->_GetInt4d($this->_summaryInformation, 52 + $offset);
+					$value = $this->_GetInt4d($this->_summaryInformation, $secOffset + 4 + $offset);
 					break;
 
 				case 0x13: // 4 byte unsigned integer
@@ -991,15 +1007,15 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
 					break;
 
 				case 0x1E: // null-terminated string prepended by dword string length
-					$byteLength = $this->_GetInt4d($this->_summaryInformation, 52 + $offset);
-					$value = substr($this->_summaryInformation, 56 + $offset, $byteLength);
+					$byteLength = $this->_GetInt4d($this->_summaryInformation, $secOffset + 4 + $offset);
+					$value = substr($this->_summaryInformation, $secOffset + 8 + $offset, $byteLength);
 					$value = PHPExcel_Shared_String::ConvertEncoding($value, 'UTF-8', $codePage);
 					$value = rtrim($value);
 					break;
 
 				case 0x40: // Filetime (64-bit value representing the number of 100-nanosecond intervals since January 1, 1601)
 					// PHP-time
-					$value = PHPExcel_Shared_OLE::OLE2LocalDate(substr($this->_summaryInformation, 52 + $offset, 8));
+					$value = PHPExcel_Shared_OLE::OLE2LocalDate(substr($this->_summaryInformation, $secOffset + 4 + $offset, 8));
 					break;
 
 				case 0x47: // Clipboard format
@@ -1007,51 +1023,225 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
 					break;
 			}
 
-			// Use value of property id as appropriate
 			switch ($id) {
-				case 0x01: // Code Page
+				case 0x01:	//	Code Page
 					$codePage = PHPExcel_Shared_CodePage::NumberToName($value);
 					break;
 
-				case 0x02: // Title
+				case 0x02:	//	Title
 					$this->_phpExcel->getProperties()->setTitle($value);
 					break;
 
-				case 0x03: // Subject
+				case 0x03:	//	Subject
 					$this->_phpExcel->getProperties()->setSubject($value);
 					break;
 
-				case 0x04: // Author (Creator)
+				case 0x04:	//	Author (Creator)
 					$this->_phpExcel->getProperties()->setCreator($value);
 					break;
 
-				case 0x05: // Keywords
+				case 0x05:	//	Keywords
 					$this->_phpExcel->getProperties()->setKeywords($value);
 					break;
 
-				case 0x06: // Comments (Description)
+				case 0x06:	//	Comments (Description)
 					$this->_phpExcel->getProperties()->setDescription($value);
 					break;
 
-				case 0x08: // Last Saved By (LastModifiedBy)
+				case 0x07:	//	Template
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x08:	//	Last Saved By (LastModifiedBy)
 					$this->_phpExcel->getProperties()->setLastModifiedBy($value);
 					break;
 
-				case 0x09: // Revision
-					// not supported by PHPExcel
+				case 0x09:	//	Revision
+					//	Not supported by PHPExcel
 					break;
 
-				case 0x0C: // Created
+				case 0x0A:	//	Total Editing Time
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x0B:	//	Last Printed
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x0C:	//	Created Date/Time
 					$this->_phpExcel->getProperties()->setCreated($value);
 					break;
 
-				case 0x0D: // Modified
+				case 0x0D:	//	Modified Date/Time
 					$this->_phpExcel->getProperties()->setModified($value);
 					break;
 
-				case 0x12: // Name of creating application
-					// not supported by PHPExcel
+				case 0x0E:	//	Number of Pages
+					//	Not supported by PHPExcel
 					break;
+
+				case 0x0F:	//	Number of Words
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x10:	//	Number of Characters
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x11:	//	Thumbnail
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x12:	//	Name of creating application
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x13:	//	Security
+					//	Not supported by PHPExcel
+					break;
+
+			}
+		}
+	}
+
+	/**
+	 * Read additional document summary information
+	 */
+	private function _readDocumentSummaryInformation()
+	{
+		if (!isset($this->_documentSummaryInformation)) {
+			return;
+		}
+
+		//	offset: 0;	size: 2;	must be 0xFE 0xFF (UTF-16 LE byte order mark)
+		//	offset: 2;	size: 2;
+		//	offset: 4;	size: 2;	OS version
+		//	offset: 6;	size: 2;	OS indicator
+		//	offset: 8;	size: 16
+		//	offset: 24;	size: 4;	section count
+		$secCount = $this->_GetInt4d($this->_documentSummaryInformation, 24);
+
+		// offset: 28;	size: 16;	first section's class id: 02 d5 cd d5 9c 2e 1b 10 93 97 08 00 2b 2c f9 ae
+		// offset: 44;	size: 4;	first section offset
+		$secOffset = $this->_GetInt4d($this->_documentSummaryInformation, 44);
+
+		//	section header
+		//	offset: $secOffset;	size: 4;	section length
+		$secLength = $this->_GetInt4d($this->_documentSummaryInformation, $secOffset);
+
+		//	offset: $secOffset+4;	size: 4;	property count
+		$countProperties = $this->_GetInt4d($this->_documentSummaryInformation, $secOffset+4);
+
+		// initialize code page (used to resolve string values)
+		$codePage = 'CP1252';
+
+		//	offset: ($secOffset+8);	size: var
+		//	loop through property decarations and properties
+		for ($i = 0; $i < $countProperties; ++$i) {
+			//	offset: ($secOffset+8) + (8 * $i);	size: 4;	property ID
+			$id = $this->_GetInt4d($this->_documentSummaryInformation, ($secOffset+8) + (8 * $i));
+
+			// Use value of property id as appropriate
+			// offset: 60 + 8 * $i;	size: 4;	offset from beginning of section (48)
+			$offset = $this->_GetInt4d($this->_documentSummaryInformation, ($secOffset+12) + (8 * $i));
+
+			$type = $this->_GetInt4d($this->_documentSummaryInformation, $secOffset + $offset);
+
+			// initialize property value
+			$value = null;
+
+			// extract property value based on property type
+			switch ($type) {
+				case 0x02:	//	2 byte signed integer
+					$value = $this->_GetInt2d($this->_documentSummaryInformation, $secOffset + 4 + $offset);
+					break;
+
+				case 0x03:	//	4 byte signed integer
+					$value = $this->_GetInt4d($this->_documentSummaryInformation, $secOffset + 4 + $offset);
+					break;
+
+				case 0x13:	//	4 byte unsigned integer
+					// not needed yet, fix later if necessary
+					break;
+
+				case 0x1E:	//	null-terminated string prepended by dword string length
+					$byteLength = $this->_GetInt4d($this->_documentSummaryInformation, $secOffset + 4 + $offset);
+					$value = substr($this->_documentSummaryInformation, $secOffset + 8 + $offset, $byteLength);
+					$value = PHPExcel_Shared_String::ConvertEncoding($value, 'UTF-8', $codePage);
+					$value = rtrim($value);
+					break;
+
+				case 0x40:	//	Filetime (64-bit value representing the number of 100-nanosecond intervals since January 1, 1601)
+					// PHP-Time
+					$value = PHPExcel_Shared_OLE::OLE2LocalDate(substr($this->_documentSummaryInformation, $secOffset + 4 + $offset, 8));
+					break;
+
+				case 0x47:	//	Clipboard format
+					// not needed yet, fix later if necessary
+					break;
+			}
+
+			switch ($id) {
+				case 0x02:	//	Category
+					$this->_phpExcel->getProperties()->setCategory($value);
+					break;
+
+				case 0x03:	//	Presentation Target
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x04:	//	Bytes
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x05:	//	Lines
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x06:	//	Paragraphs
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x07:	//	Slides
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x08:	//	Notes
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x09:	//	Hidden Slides
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x0A:	//	MM Clips
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x0B:	//	Scale Crop
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x0C:	//	Heading Pairs
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x0D:	//	Titles of Parts
+					//	Not supported by PHPExcel
+					break;
+
+				case 0x0E:	//	Manager
+					$this->_phpExcel->getProperties()->setManager($value);
+					break;
+
+				case 0x0F:	//	Company
+					$this->_phpExcel->getProperties()->setCompany($value);
+					break;
+
+				case 0x10:	//	Links up-to-date
+					//	Not supported by PHPExcel
+					break;
+
 			}
 		}
 	}
@@ -6182,3 +6372,4 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
 	}
 
 }
+
diff --git a/Classes/PHPExcel/Reader/OOCalc.php b/Classes/PHPExcel/Reader/OOCalc.php
index aa91692a..df027221 100644
--- a/Classes/PHPExcel/Reader/OOCalc.php
+++ b/Classes/PHPExcel/Reader/OOCalc.php
@@ -297,9 +297,42 @@ class PHPExcel_Reader_OOCalc implements PHPExcel_Reader_IReader
 //					echo '<hr />';
 //
 					switch ($propertyName) {
+						case 'initial-creator' :
+								$docProps->setCreator($propertyValue);
+								break;
 						case 'keyword' :
 								$docProps->setKeywords($propertyValue);
 								break;
+						case 'creation-date' :
+								$creationDate = strtotime($propertyValue);
+								$docProps->setCreated($creationDate);
+								break;
+						case 'user-defined' :
+								$propertyValueType = PHPExcel_DocumentProperties::PROPERTY_TYPE_STRING;
+								foreach ($propertyValueAttributes as $key => $value) {
+									if ($key == 'name') {
+										$propertyValueName = (string) $value;
+									} elseif($key == 'value-type') {
+										switch ($value) {
+											case 'date'	:
+												$propertyValue = PHPExcel_DocumentProperties::convertProperty($propertyValue,'date');
+												$propertyValueType = PHPExcel_DocumentProperties::PROPERTY_TYPE_DATE;
+												break;
+											case 'boolean'	:
+												$propertyValue = PHPExcel_DocumentProperties::convertProperty($propertyValue,'bool');
+												$propertyValueType = PHPExcel_DocumentProperties::PROPERTY_TYPE_BOOLEAN;
+												break;
+											case 'float'	:
+												$propertyValue = PHPExcel_DocumentProperties::convertProperty($propertyValue,'r4');
+												$propertyValueType = PHPExcel_DocumentProperties::PROPERTY_TYPE_FLOAT;
+												break;
+											default :
+												$propertyValueType = PHPExcel_DocumentProperties::PROPERTY_TYPE_STRING;
+										}
+									}
+								}
+								$docProps->setCustomProperty($propertyValueName,$propertyValue,$propertyValueType);
+								break;
 					}
 				}
 			}
diff --git a/Classes/PHPExcel/Shared/OLERead.php b/Classes/PHPExcel/Shared/OLERead.php
index fdf802cf..d0b7268f 100644
--- a/Classes/PHPExcel/Shared/OLERead.php
+++ b/Classes/PHPExcel/Shared/OLERead.php
@@ -264,6 +264,58 @@ class PHPExcel_Shared_OLERead {
 		}
 	}
 
+	/**
+	 * Extract binary stream data, additional document summary information
+	 *
+	 * @return string|null
+	 */
+	public function getDocumentSummaryInformation()
+	{
+		if (!isset($this->documentSummaryInformation)) {
+			return null;
+		}
+
+		if ($this->props[$this->documentSummaryInformation]['size'] < self::SMALL_BLOCK_THRESHOLD){
+			$rootdata = $this->_readData($this->props[$this->rootentry]['startBlock']);
+
+			$streamData = '';
+			$block = $this->props[$this->documentSummaryInformation]['startBlock'];
+
+			$pos = 0;
+			while ($block != -2) {
+	  			$pos = $block * self::SMALL_BLOCK_SIZE;
+				$streamData .= substr($rootdata, $pos, self::SMALL_BLOCK_SIZE);
+
+				$block = $this->smallBlockChain[$block];
+			}
+
+			return $streamData;
+
+
+		} else {
+			$numBlocks = $this->props[$this->documentSummaryInformation]['size'] / self::BIG_BLOCK_SIZE;
+			if ($this->props[$this->documentSummaryInformation]['size'] % self::BIG_BLOCK_SIZE != 0) {
+				++$numBlocks;
+			}
+
+			if ($numBlocks == 0) return '';
+
+
+			$streamData = '';
+			$block = $this->props[$this->documentSummaryInformation]['startBlock'];
+
+			$pos = 0;
+
+			while ($block != -2) {
+				$pos = ($block + 1) * self::BIG_BLOCK_SIZE;
+				$streamData .= substr($this->data, $pos, self::BIG_BLOCK_SIZE);
+				$block = $this->bigBlockChain[$block];
+			}
+
+			return $streamData;
+		}
+	}
+
 	/**
 	 * Read a standard stream (by joining sectors using information from SAT)
 	 *
@@ -336,6 +388,11 @@ class PHPExcel_Shared_OLERead {
 				$this->summaryInformation = count($this->props) - 1;
 			}
 
+			// Additional Document Summary information
+			if ($name == chr(5) . 'DocumentSummaryInformation') {
+				$this->documentSummaryInformation = count($this->props) - 1;
+			}
+
 			$offset += self::PROPERTY_STORAGE_BLOCK_SIZE;
 		}
 
diff --git a/changelog.txt b/changelog.txt
index bfcfa57a..9aaa1950 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -24,8 +24,8 @@
 
 
 Fixed in SVN:
-- Bugfix:   (Progi1984) Workitem 7895 - Excel5 : Formula : Error constant 
-- Bugfix:   (Progi1984) Workitem 7895 - Excel5 : Formula : Concatenation operator
+- Feature:  (MBaker) Support for Extended Workbook Properties in Excel2007, Excel5 and OOCalc Readers; support for User-defined Workbook Properties in Excel2007 and OOCalc Readers
+
 
 2010-08-26 (v1.7.4):
 - Bugfix:   (Progi1984) Workitem 7895 - Excel5 : Formula : Power