MATERIAL CHANGE REPORT

• TO: British Columbia Securities Commission

Alberta Securities Commission

• Item 1. Name and Address of Company

Sedex Mining Corp. 711 – 675 West Hastings Street Vancouver, British Columbia V6B 1N2

• Item 2. Date of Material Change:

February 15, 2008

• Item 3. News Release

The press release was issued on February 15, 2008 in Vancouver, Canada.

• Item 4. Summary of Material Change

The Company announced that it has arranged a private placement for up to 10,000,000 units. The financing will consist of non flow-through units priced at $0.10 per unit.

Item. 5 Full Description of Material Change

The Company announced that it has arranged a private placement for up to 10,000,000 units. The financing will consist of non flow-through units priced at $0.10 per unit. Each of the units will consist of one non flow-through common share and one non flow-through non-transferable share purchase warrant entitling the holder to purchase one additional common share for a period of two years at a price of $0.10 per share.

In accordance with Exchange policies, finders' fees may be paid on a portion of the funds raised. The private placement is subject to regulatory approval.

The proceeds of the private placement will be used for exploration work including diamond drilling, trenching, geochemical and geophysical surveys on its Ontario properties and for general working capital. Closing of the placement is subject to regulatory approval.

Item 6. Reliance on subsection 7.1(2) or (3) of National Instrument 51-102

Not applicable. This report is not being filed on a confidential basis.

• Item 7. Omitted Information

Not applicable.

Item 8. Executive Officer

Richard Hughes, President Telephone: (604) 685-2222

Item 9. Date of Report