Dear ProQuest Customer,

ProQuest will be performing infrastructure maintenance on 31 January 2010. A twelve (12) hour maintenance window will be required for this maintenance. The window will take place from Sunday 31 January 2010 at 03:00 GMT to Sunday 31 January 2010 at 15:00 GMT. See below for a more complete list of times and time zones.

As part of our ongoing commitment to investing in support systems for our customers around the world, ProQuest will be performing infrastructure maintenance for our state-of-the-art data centre.

The following products will be unavailable during these windows:

• ProQuest platform products, ProQuest Historical Newspapers (traditional and graphical K12 interface), American Periodicals Series
• Genealogy and local history products including Ancestry Library Edition, HeritageQuest Online, Historic Map Works Library Edition, ProQuest Obituaries and Digital Sanborn Maps
• K-12 products, including eLibrary and SIRS
• COS products
• UMI products including online dissertation products

Maintenance window schedule, by time zone:

• Eastern Standard Time: Saturday 30 January 2010 at 22:00 for twelve (12) hours
• Central European Time: Sunday 31 January 2010 at 04:00 for twelve (12) hours
• Japan/Korea Standard Time: Sunday 31 January 2010 at 12:00pm for twelve (12) hours
• Malaysia/China Standard Time: Sunday 31 January 2010 at 11:00 for twelve (12) hours
• Australia Eastern Standard Time: Sunday 31 January 2010 at 14:00 for twelve (12) hours
• Brazil Standard Time: Sunday 31 January 2010 at 01:00 for twelve (12) hours
• New Zealand Time: Sunday 31 January 2010 at 16:00 for twelve (12) hours

We welcome customer feedback. Please email your comments to platform feedback or visit www.proquest.com/go/suggestions.

Thank you for continuing to support ProQuest and the products we provide.