Date Announcement 1-8-07 10-Year TIPS Announcement 1-18-07 20-Year TIPS Announcement 1-22-07 2-Year Note Announcement 1-22-07 5-Year Note Announcement 1-31-07 30-Year Bond Announcement 1-31-07 3-Year Note Announcement 1-31-07 10-Year Note Announcement 2-15-07 2-Year Note Announcement 2-15-07 5-Year Note Announcement 3-8-07 10-Year Note Announcement 3-26-07 2-Year Note Announcement 3-26-07 5-Year Note Announcement 4-5-07 10-Year TIPS Announcement 4-19-07 5 Yr TIPS Announcement 4-19-07 20-Year TIPS Announcement 4-23-07 2-Year Note Announcement 4-23-07 5-Year Note Announcement 4-25-07 30-Year Bond Announcement 5-2-07 3-Year Note Announcement 5-2-07 10-Year Note Announcement 5-21-07 2-Year Note Announcement 5-21-07 5-Year Note Announcement 6-4-07 10-Year Note Announcement 6-18-07 2-Year Note Announcement 6-18-07 5-Year Note Announcement 7-9-07 10-Year TIPS Announcement 7-19-07 20-Year TIPS Announcement 7-23-07 2-Year Note Announcement 7-23-07 5-Year Note Announcement 8-1-07 30-Year Bond Announcement 8-1-07 10-Year Note Announcement 8-20-07 2-Year Note Announcement 8-20-07 5-Year Note Announcement 9-6-07 10-Year Note Announcement 9-24-07 2-Year Note Announcement 9-24-07 5-Year Note Announcement 10-8-07 10-Year TIPS Announcement 10-18-07 5 Yr TIPS Announcement 10-22-07 2-Year Note Announcement 10-22-07 5-Year Note Announcement 10-31-07 30-Year Bond Announcement 10-31-07 10-Year Note Announcement 11-26-07 2-Year Note Announcement 11-26-07 5-Year Note Announcement 12-10-07 10-Year Note Announcement 12-24-07 2-Year Note Announcement 12-24-07 5-Year Note Announcement

Date Auction 1-11-07 10-Year TIPS Auction 1-23-07 20-Year TIPS Auction 1-24-07 2-Year Note Auction 1-25-07 5-Year Note Auction 2-6-07 3-Year Note Auction 2-7-07 10-Year Note Auction 2-8-07 30-Year Bond Auction 2-21-07 2-Year Note Auction 2-22-07 5-Year Note Auction 3-13-07 10-Year Note Auction 3-28-07 2-Year Note Auction 3-29-07 5-Year Note Auction 4-12-07 10-Year TIPS Auction 4-24-07 5 Yr TIPS Auction 4-24-07 20-Year TIPS Auction 4-25-07 2-Year Note Auction 4-26-07 5-Year Note Auction 5-3-07 30-Year Bond Auction 5-7-07 3-Year Note Auction 5-10-07 10-Year Note Auction 5-23-07 2-Year Note Auction 5-24-07 5-Year Note Auction 6-7-07 10-Year Note Auction 6-20-07 2-Year Note Auction 6-21-07 5-Year Note Auction 7-12-07 10-Year TIPS Auction 7-24-07 20-Year TIPS Auction 7-25-07 2-Year Note Auction 7-26-07 5-Year Note Auction 8-8-07 10-Year Note Auction 8-9-07 30-Year Bond Auction 8-22-07 2-Year Note Auction 8-23-07 5-Year Note Auction 9-11-07 10-Year Note Auction 9-26-07 2-Year Note Auction 9-27-07 5-Year Note Auction 10-11-07 10-Year TIPS Auction 10-23-07 5 Yr TIPS Auction 10-24-07 2-Year Note Auction 10-25-07 5-Year Note Auction 11-7-07 10-Year Note Auction 11-8-07 30-Year Bond Auction 11-28-07 2-Year Note Auction 11-29-07 5-Year Note Auction 12-13-07 10-Year Note Auction 12-26-07 2-Year Note Auction 12-27-07 5-Year Note Auction